Mercurial > hg > graal-compiler
annotate src/cpu/sparc/vm/sparc.ad @ 238:3df2fe7c4451
Merge
author | trims |
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date | Fri, 25 Jul 2008 11:29:03 -0700 |
parents | 9c2ecc2ffb12 |
children | 4d9884b01ba6 |
rev | line source |
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0 | 1 // |
196 | 2 // Copyright 1998-2008 Sun Microsystems, Inc. All Rights Reserved. |
0 | 3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 // | |
5 // This code is free software; you can redistribute it and/or modify it | |
6 // under the terms of the GNU General Public License version 2 only, as | |
7 // published by the Free Software Foundation. | |
8 // | |
9 // This code is distributed in the hope that it will be useful, but WITHOUT | |
10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 // version 2 for more details (a copy is included in the LICENSE file that | |
13 // accompanied this code). | |
14 // | |
15 // You should have received a copy of the GNU General Public License version | |
16 // 2 along with this work; if not, write to the Free Software Foundation, | |
17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 // | |
19 // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 // CA 95054 USA or visit www.sun.com if you need additional information or | |
21 // have any questions. | |
22 // | |
23 // | |
24 | |
25 // SPARC Architecture Description File | |
26 | |
27 //----------REGISTER DEFINITION BLOCK------------------------------------------ | |
28 // This information is used by the matcher and the register allocator to | |
29 // describe individual registers and classes of registers within the target | |
30 // archtecture. | |
31 register %{ | |
32 //----------Architecture Description Register Definitions---------------------- | |
33 // General Registers | |
34 // "reg_def" name ( register save type, C convention save type, | |
35 // ideal register type, encoding, vm name ); | |
36 // Register Save Types: | |
37 // | |
38 // NS = No-Save: The register allocator assumes that these registers | |
39 // can be used without saving upon entry to the method, & | |
40 // that they do not need to be saved at call sites. | |
41 // | |
42 // SOC = Save-On-Call: The register allocator assumes that these registers | |
43 // can be used without saving upon entry to the method, | |
44 // but that they must be saved at call sites. | |
45 // | |
46 // SOE = Save-On-Entry: The register allocator assumes that these registers | |
47 // must be saved before using them upon entry to the | |
48 // method, but they do not need to be saved at call | |
49 // sites. | |
50 // | |
51 // AS = Always-Save: The register allocator assumes that these registers | |
52 // must be saved before using them upon entry to the | |
53 // method, & that they must be saved at call sites. | |
54 // | |
55 // Ideal Register Type is used to determine how to save & restore a | |
56 // register. Op_RegI will get spilled with LoadI/StoreI, Op_RegP will get | |
57 // spilled with LoadP/StoreP. If the register supports both, use Op_RegI. | |
58 // | |
59 // The encoding number is the actual bit-pattern placed into the opcodes. | |
60 | |
61 | |
62 // ---------------------------- | |
63 // Integer/Long Registers | |
64 // ---------------------------- | |
65 | |
66 // Need to expose the hi/lo aspect of 64-bit registers | |
67 // This register set is used for both the 64-bit build and | |
68 // the 32-bit build with 1-register longs. | |
69 | |
70 // Global Registers 0-7 | |
71 reg_def R_G0H( NS, NS, Op_RegI,128, G0->as_VMReg()->next()); | |
72 reg_def R_G0 ( NS, NS, Op_RegI, 0, G0->as_VMReg()); | |
73 reg_def R_G1H(SOC, SOC, Op_RegI,129, G1->as_VMReg()->next()); | |
74 reg_def R_G1 (SOC, SOC, Op_RegI, 1, G1->as_VMReg()); | |
75 reg_def R_G2H( NS, NS, Op_RegI,130, G2->as_VMReg()->next()); | |
76 reg_def R_G2 ( NS, NS, Op_RegI, 2, G2->as_VMReg()); | |
77 reg_def R_G3H(SOC, SOC, Op_RegI,131, G3->as_VMReg()->next()); | |
78 reg_def R_G3 (SOC, SOC, Op_RegI, 3, G3->as_VMReg()); | |
79 reg_def R_G4H(SOC, SOC, Op_RegI,132, G4->as_VMReg()->next()); | |
80 reg_def R_G4 (SOC, SOC, Op_RegI, 4, G4->as_VMReg()); | |
81 reg_def R_G5H(SOC, SOC, Op_RegI,133, G5->as_VMReg()->next()); | |
82 reg_def R_G5 (SOC, SOC, Op_RegI, 5, G5->as_VMReg()); | |
83 reg_def R_G6H( NS, NS, Op_RegI,134, G6->as_VMReg()->next()); | |
84 reg_def R_G6 ( NS, NS, Op_RegI, 6, G6->as_VMReg()); | |
85 reg_def R_G7H( NS, NS, Op_RegI,135, G7->as_VMReg()->next()); | |
86 reg_def R_G7 ( NS, NS, Op_RegI, 7, G7->as_VMReg()); | |
87 | |
88 // Output Registers 0-7 | |
89 reg_def R_O0H(SOC, SOC, Op_RegI,136, O0->as_VMReg()->next()); | |
90 reg_def R_O0 (SOC, SOC, Op_RegI, 8, O0->as_VMReg()); | |
91 reg_def R_O1H(SOC, SOC, Op_RegI,137, O1->as_VMReg()->next()); | |
92 reg_def R_O1 (SOC, SOC, Op_RegI, 9, O1->as_VMReg()); | |
93 reg_def R_O2H(SOC, SOC, Op_RegI,138, O2->as_VMReg()->next()); | |
94 reg_def R_O2 (SOC, SOC, Op_RegI, 10, O2->as_VMReg()); | |
95 reg_def R_O3H(SOC, SOC, Op_RegI,139, O3->as_VMReg()->next()); | |
96 reg_def R_O3 (SOC, SOC, Op_RegI, 11, O3->as_VMReg()); | |
97 reg_def R_O4H(SOC, SOC, Op_RegI,140, O4->as_VMReg()->next()); | |
98 reg_def R_O4 (SOC, SOC, Op_RegI, 12, O4->as_VMReg()); | |
99 reg_def R_O5H(SOC, SOC, Op_RegI,141, O5->as_VMReg()->next()); | |
100 reg_def R_O5 (SOC, SOC, Op_RegI, 13, O5->as_VMReg()); | |
101 reg_def R_SPH( NS, NS, Op_RegI,142, SP->as_VMReg()->next()); | |
102 reg_def R_SP ( NS, NS, Op_RegI, 14, SP->as_VMReg()); | |
103 reg_def R_O7H(SOC, SOC, Op_RegI,143, O7->as_VMReg()->next()); | |
104 reg_def R_O7 (SOC, SOC, Op_RegI, 15, O7->as_VMReg()); | |
105 | |
106 // Local Registers 0-7 | |
107 reg_def R_L0H( NS, NS, Op_RegI,144, L0->as_VMReg()->next()); | |
108 reg_def R_L0 ( NS, NS, Op_RegI, 16, L0->as_VMReg()); | |
109 reg_def R_L1H( NS, NS, Op_RegI,145, L1->as_VMReg()->next()); | |
110 reg_def R_L1 ( NS, NS, Op_RegI, 17, L1->as_VMReg()); | |
111 reg_def R_L2H( NS, NS, Op_RegI,146, L2->as_VMReg()->next()); | |
112 reg_def R_L2 ( NS, NS, Op_RegI, 18, L2->as_VMReg()); | |
113 reg_def R_L3H( NS, NS, Op_RegI,147, L3->as_VMReg()->next()); | |
114 reg_def R_L3 ( NS, NS, Op_RegI, 19, L3->as_VMReg()); | |
115 reg_def R_L4H( NS, NS, Op_RegI,148, L4->as_VMReg()->next()); | |
116 reg_def R_L4 ( NS, NS, Op_RegI, 20, L4->as_VMReg()); | |
117 reg_def R_L5H( NS, NS, Op_RegI,149, L5->as_VMReg()->next()); | |
118 reg_def R_L5 ( NS, NS, Op_RegI, 21, L5->as_VMReg()); | |
119 reg_def R_L6H( NS, NS, Op_RegI,150, L6->as_VMReg()->next()); | |
120 reg_def R_L6 ( NS, NS, Op_RegI, 22, L6->as_VMReg()); | |
121 reg_def R_L7H( NS, NS, Op_RegI,151, L7->as_VMReg()->next()); | |
122 reg_def R_L7 ( NS, NS, Op_RegI, 23, L7->as_VMReg()); | |
123 | |
124 // Input Registers 0-7 | |
125 reg_def R_I0H( NS, NS, Op_RegI,152, I0->as_VMReg()->next()); | |
126 reg_def R_I0 ( NS, NS, Op_RegI, 24, I0->as_VMReg()); | |
127 reg_def R_I1H( NS, NS, Op_RegI,153, I1->as_VMReg()->next()); | |
128 reg_def R_I1 ( NS, NS, Op_RegI, 25, I1->as_VMReg()); | |
129 reg_def R_I2H( NS, NS, Op_RegI,154, I2->as_VMReg()->next()); | |
130 reg_def R_I2 ( NS, NS, Op_RegI, 26, I2->as_VMReg()); | |
131 reg_def R_I3H( NS, NS, Op_RegI,155, I3->as_VMReg()->next()); | |
132 reg_def R_I3 ( NS, NS, Op_RegI, 27, I3->as_VMReg()); | |
133 reg_def R_I4H( NS, NS, Op_RegI,156, I4->as_VMReg()->next()); | |
134 reg_def R_I4 ( NS, NS, Op_RegI, 28, I4->as_VMReg()); | |
135 reg_def R_I5H( NS, NS, Op_RegI,157, I5->as_VMReg()->next()); | |
136 reg_def R_I5 ( NS, NS, Op_RegI, 29, I5->as_VMReg()); | |
137 reg_def R_FPH( NS, NS, Op_RegI,158, FP->as_VMReg()->next()); | |
138 reg_def R_FP ( NS, NS, Op_RegI, 30, FP->as_VMReg()); | |
139 reg_def R_I7H( NS, NS, Op_RegI,159, I7->as_VMReg()->next()); | |
140 reg_def R_I7 ( NS, NS, Op_RegI, 31, I7->as_VMReg()); | |
141 | |
142 // ---------------------------- | |
143 // Float/Double Registers | |
144 // ---------------------------- | |
145 | |
146 // Float Registers | |
147 reg_def R_F0 ( SOC, SOC, Op_RegF, 0, F0->as_VMReg()); | |
148 reg_def R_F1 ( SOC, SOC, Op_RegF, 1, F1->as_VMReg()); | |
149 reg_def R_F2 ( SOC, SOC, Op_RegF, 2, F2->as_VMReg()); | |
150 reg_def R_F3 ( SOC, SOC, Op_RegF, 3, F3->as_VMReg()); | |
151 reg_def R_F4 ( SOC, SOC, Op_RegF, 4, F4->as_VMReg()); | |
152 reg_def R_F5 ( SOC, SOC, Op_RegF, 5, F5->as_VMReg()); | |
153 reg_def R_F6 ( SOC, SOC, Op_RegF, 6, F6->as_VMReg()); | |
154 reg_def R_F7 ( SOC, SOC, Op_RegF, 7, F7->as_VMReg()); | |
155 reg_def R_F8 ( SOC, SOC, Op_RegF, 8, F8->as_VMReg()); | |
156 reg_def R_F9 ( SOC, SOC, Op_RegF, 9, F9->as_VMReg()); | |
157 reg_def R_F10( SOC, SOC, Op_RegF, 10, F10->as_VMReg()); | |
158 reg_def R_F11( SOC, SOC, Op_RegF, 11, F11->as_VMReg()); | |
159 reg_def R_F12( SOC, SOC, Op_RegF, 12, F12->as_VMReg()); | |
160 reg_def R_F13( SOC, SOC, Op_RegF, 13, F13->as_VMReg()); | |
161 reg_def R_F14( SOC, SOC, Op_RegF, 14, F14->as_VMReg()); | |
162 reg_def R_F15( SOC, SOC, Op_RegF, 15, F15->as_VMReg()); | |
163 reg_def R_F16( SOC, SOC, Op_RegF, 16, F16->as_VMReg()); | |
164 reg_def R_F17( SOC, SOC, Op_RegF, 17, F17->as_VMReg()); | |
165 reg_def R_F18( SOC, SOC, Op_RegF, 18, F18->as_VMReg()); | |
166 reg_def R_F19( SOC, SOC, Op_RegF, 19, F19->as_VMReg()); | |
167 reg_def R_F20( SOC, SOC, Op_RegF, 20, F20->as_VMReg()); | |
168 reg_def R_F21( SOC, SOC, Op_RegF, 21, F21->as_VMReg()); | |
169 reg_def R_F22( SOC, SOC, Op_RegF, 22, F22->as_VMReg()); | |
170 reg_def R_F23( SOC, SOC, Op_RegF, 23, F23->as_VMReg()); | |
171 reg_def R_F24( SOC, SOC, Op_RegF, 24, F24->as_VMReg()); | |
172 reg_def R_F25( SOC, SOC, Op_RegF, 25, F25->as_VMReg()); | |
173 reg_def R_F26( SOC, SOC, Op_RegF, 26, F26->as_VMReg()); | |
174 reg_def R_F27( SOC, SOC, Op_RegF, 27, F27->as_VMReg()); | |
175 reg_def R_F28( SOC, SOC, Op_RegF, 28, F28->as_VMReg()); | |
176 reg_def R_F29( SOC, SOC, Op_RegF, 29, F29->as_VMReg()); | |
177 reg_def R_F30( SOC, SOC, Op_RegF, 30, F30->as_VMReg()); | |
178 reg_def R_F31( SOC, SOC, Op_RegF, 31, F31->as_VMReg()); | |
179 | |
180 // Double Registers | |
181 // The rules of ADL require that double registers be defined in pairs. | |
182 // Each pair must be two 32-bit values, but not necessarily a pair of | |
183 // single float registers. In each pair, ADLC-assigned register numbers | |
184 // must be adjacent, with the lower number even. Finally, when the | |
185 // CPU stores such a register pair to memory, the word associated with | |
186 // the lower ADLC-assigned number must be stored to the lower address. | |
187 | |
188 // These definitions specify the actual bit encodings of the sparc | |
189 // double fp register numbers. FloatRegisterImpl in register_sparc.hpp | |
190 // wants 0-63, so we have to convert every time we want to use fp regs | |
191 // with the macroassembler, using reg_to_DoubleFloatRegister_object(). | |
192 // 255 is a flag meaning 'dont go here'. | |
193 // I believe we can't handle callee-save doubles D32 and up until | |
194 // the place in the sparc stack crawler that asserts on the 255 is | |
195 // fixed up. | |
196 reg_def R_D32x(SOC, SOC, Op_RegD,255, F32->as_VMReg()); | |
197 reg_def R_D32 (SOC, SOC, Op_RegD, 1, F32->as_VMReg()->next()); | |
198 reg_def R_D34x(SOC, SOC, Op_RegD,255, F34->as_VMReg()); | |
199 reg_def R_D34 (SOC, SOC, Op_RegD, 3, F34->as_VMReg()->next()); | |
200 reg_def R_D36x(SOC, SOC, Op_RegD,255, F36->as_VMReg()); | |
201 reg_def R_D36 (SOC, SOC, Op_RegD, 5, F36->as_VMReg()->next()); | |
202 reg_def R_D38x(SOC, SOC, Op_RegD,255, F38->as_VMReg()); | |
203 reg_def R_D38 (SOC, SOC, Op_RegD, 7, F38->as_VMReg()->next()); | |
204 reg_def R_D40x(SOC, SOC, Op_RegD,255, F40->as_VMReg()); | |
205 reg_def R_D40 (SOC, SOC, Op_RegD, 9, F40->as_VMReg()->next()); | |
206 reg_def R_D42x(SOC, SOC, Op_RegD,255, F42->as_VMReg()); | |
207 reg_def R_D42 (SOC, SOC, Op_RegD, 11, F42->as_VMReg()->next()); | |
208 reg_def R_D44x(SOC, SOC, Op_RegD,255, F44->as_VMReg()); | |
209 reg_def R_D44 (SOC, SOC, Op_RegD, 13, F44->as_VMReg()->next()); | |
210 reg_def R_D46x(SOC, SOC, Op_RegD,255, F46->as_VMReg()); | |
211 reg_def R_D46 (SOC, SOC, Op_RegD, 15, F46->as_VMReg()->next()); | |
212 reg_def R_D48x(SOC, SOC, Op_RegD,255, F48->as_VMReg()); | |
213 reg_def R_D48 (SOC, SOC, Op_RegD, 17, F48->as_VMReg()->next()); | |
214 reg_def R_D50x(SOC, SOC, Op_RegD,255, F50->as_VMReg()); | |
215 reg_def R_D50 (SOC, SOC, Op_RegD, 19, F50->as_VMReg()->next()); | |
216 reg_def R_D52x(SOC, SOC, Op_RegD,255, F52->as_VMReg()); | |
217 reg_def R_D52 (SOC, SOC, Op_RegD, 21, F52->as_VMReg()->next()); | |
218 reg_def R_D54x(SOC, SOC, Op_RegD,255, F54->as_VMReg()); | |
219 reg_def R_D54 (SOC, SOC, Op_RegD, 23, F54->as_VMReg()->next()); | |
220 reg_def R_D56x(SOC, SOC, Op_RegD,255, F56->as_VMReg()); | |
221 reg_def R_D56 (SOC, SOC, Op_RegD, 25, F56->as_VMReg()->next()); | |
222 reg_def R_D58x(SOC, SOC, Op_RegD,255, F58->as_VMReg()); | |
223 reg_def R_D58 (SOC, SOC, Op_RegD, 27, F58->as_VMReg()->next()); | |
224 reg_def R_D60x(SOC, SOC, Op_RegD,255, F60->as_VMReg()); | |
225 reg_def R_D60 (SOC, SOC, Op_RegD, 29, F60->as_VMReg()->next()); | |
226 reg_def R_D62x(SOC, SOC, Op_RegD,255, F62->as_VMReg()); | |
227 reg_def R_D62 (SOC, SOC, Op_RegD, 31, F62->as_VMReg()->next()); | |
228 | |
229 | |
230 // ---------------------------- | |
231 // Special Registers | |
232 // Condition Codes Flag Registers | |
233 // I tried to break out ICC and XCC but it's not very pretty. | |
234 // Every Sparc instruction which defs/kills one also kills the other. | |
235 // Hence every compare instruction which defs one kind of flags ends | |
236 // up needing a kill of the other. | |
237 reg_def CCR (SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad()); | |
238 | |
239 reg_def FCC0(SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad()); | |
240 reg_def FCC1(SOC, SOC, Op_RegFlags, 1, VMRegImpl::Bad()); | |
241 reg_def FCC2(SOC, SOC, Op_RegFlags, 2, VMRegImpl::Bad()); | |
242 reg_def FCC3(SOC, SOC, Op_RegFlags, 3, VMRegImpl::Bad()); | |
243 | |
244 // ---------------------------- | |
245 // Specify the enum values for the registers. These enums are only used by the | |
246 // OptoReg "class". We can convert these enum values at will to VMReg when needed | |
247 // for visibility to the rest of the vm. The order of this enum influences the | |
248 // register allocator so having the freedom to set this order and not be stuck | |
249 // with the order that is natural for the rest of the vm is worth it. | |
250 alloc_class chunk0( | |
251 R_L0,R_L0H, R_L1,R_L1H, R_L2,R_L2H, R_L3,R_L3H, R_L4,R_L4H, R_L5,R_L5H, R_L6,R_L6H, R_L7,R_L7H, | |
252 R_G0,R_G0H, R_G1,R_G1H, R_G2,R_G2H, R_G3,R_G3H, R_G4,R_G4H, R_G5,R_G5H, R_G6,R_G6H, R_G7,R_G7H, | |
253 R_O7,R_O7H, R_SP,R_SPH, R_O0,R_O0H, R_O1,R_O1H, R_O2,R_O2H, R_O3,R_O3H, R_O4,R_O4H, R_O5,R_O5H, | |
254 R_I0,R_I0H, R_I1,R_I1H, R_I2,R_I2H, R_I3,R_I3H, R_I4,R_I4H, R_I5,R_I5H, R_FP,R_FPH, R_I7,R_I7H); | |
255 | |
256 // Note that a register is not allocatable unless it is also mentioned | |
257 // in a widely-used reg_class below. Thus, R_G7 and R_G0 are outside i_reg. | |
258 | |
259 alloc_class chunk1( | |
260 // The first registers listed here are those most likely to be used | |
261 // as temporaries. We move F0..F7 away from the front of the list, | |
262 // to reduce the likelihood of interferences with parameters and | |
263 // return values. Likewise, we avoid using F0/F1 for parameters, | |
264 // since they are used for return values. | |
265 // This FPU fine-tuning is worth about 1% on the SPEC geomean. | |
266 R_F8 ,R_F9 ,R_F10,R_F11,R_F12,R_F13,R_F14,R_F15, | |
267 R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23, | |
268 R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,R_F30,R_F31, | |
269 R_F0 ,R_F1 ,R_F2 ,R_F3 ,R_F4 ,R_F5 ,R_F6 ,R_F7 , // used for arguments and return values | |
270 R_D32,R_D32x,R_D34,R_D34x,R_D36,R_D36x,R_D38,R_D38x, | |
271 R_D40,R_D40x,R_D42,R_D42x,R_D44,R_D44x,R_D46,R_D46x, | |
272 R_D48,R_D48x,R_D50,R_D50x,R_D52,R_D52x,R_D54,R_D54x, | |
273 R_D56,R_D56x,R_D58,R_D58x,R_D60,R_D60x,R_D62,R_D62x); | |
274 | |
275 alloc_class chunk2(CCR, FCC0, FCC1, FCC2, FCC3); | |
276 | |
277 //----------Architecture Description Register Classes-------------------------- | |
278 // Several register classes are automatically defined based upon information in | |
279 // this architecture description. | |
280 // 1) reg_class inline_cache_reg ( as defined in frame section ) | |
281 // 2) reg_class interpreter_method_oop_reg ( as defined in frame section ) | |
282 // 3) reg_class stack_slots( /* one chunk of stack-based "registers" */ ) | |
283 // | |
284 | |
285 // G0 is not included in integer class since it has special meaning. | |
286 reg_class g0_reg(R_G0); | |
287 | |
288 // ---------------------------- | |
289 // Integer Register Classes | |
290 // ---------------------------- | |
291 // Exclusions from i_reg: | |
292 // R_G0: hardwired zero | |
293 // R_G2: reserved by HotSpot to the TLS register (invariant within Java) | |
294 // R_G6: reserved by Solaris ABI to tools | |
295 // R_G7: reserved by Solaris ABI to libthread | |
296 // R_O7: Used as a temp in many encodings | |
297 reg_class int_reg(R_G1,R_G3,R_G4,R_G5,R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,R_I0,R_I1,R_I2,R_I3,R_I4,R_I5); | |
298 | |
299 // Class for all integer registers, except the G registers. This is used for | |
300 // encodings which use G registers as temps. The regular inputs to such | |
301 // instructions use a "notemp_" prefix, as a hack to ensure that the allocator | |
302 // will not put an input into a temp register. | |
303 reg_class notemp_int_reg(R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,R_I0,R_I1,R_I2,R_I3,R_I4,R_I5); | |
304 | |
305 reg_class g1_regI(R_G1); | |
306 reg_class g3_regI(R_G3); | |
307 reg_class g4_regI(R_G4); | |
308 reg_class o0_regI(R_O0); | |
309 reg_class o7_regI(R_O7); | |
310 | |
311 // ---------------------------- | |
312 // Pointer Register Classes | |
313 // ---------------------------- | |
314 #ifdef _LP64 | |
315 // 64-bit build means 64-bit pointers means hi/lo pairs | |
316 reg_class ptr_reg( R_G1H,R_G1, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5, | |
317 R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5, | |
318 R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7, | |
319 R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 ); | |
320 // Lock encodings use G3 and G4 internally | |
321 reg_class lock_ptr_reg( R_G1H,R_G1, R_G5H,R_G5, | |
322 R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5, | |
323 R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7, | |
324 R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 ); | |
325 // Special class for storeP instructions, which can store SP or RPC to TLS. | |
326 // It is also used for memory addressing, allowing direct TLS addressing. | |
327 reg_class sp_ptr_reg( R_G1H,R_G1, R_G2H,R_G2, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5, | |
328 R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5, R_SPH,R_SP, | |
329 R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7, | |
330 R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5, R_FPH,R_FP ); | |
331 // R_L7 is the lowest-priority callee-save (i.e., NS) register | |
332 // We use it to save R_G2 across calls out of Java. | |
333 reg_class l7_regP(R_L7H,R_L7); | |
334 | |
335 // Other special pointer regs | |
336 reg_class g1_regP(R_G1H,R_G1); | |
337 reg_class g2_regP(R_G2H,R_G2); | |
338 reg_class g3_regP(R_G3H,R_G3); | |
339 reg_class g4_regP(R_G4H,R_G4); | |
340 reg_class g5_regP(R_G5H,R_G5); | |
341 reg_class i0_regP(R_I0H,R_I0); | |
342 reg_class o0_regP(R_O0H,R_O0); | |
343 reg_class o1_regP(R_O1H,R_O1); | |
344 reg_class o2_regP(R_O2H,R_O2); | |
345 reg_class o7_regP(R_O7H,R_O7); | |
346 | |
347 #else // _LP64 | |
348 // 32-bit build means 32-bit pointers means 1 register. | |
349 reg_class ptr_reg( R_G1, R_G3,R_G4,R_G5, | |
350 R_O0,R_O1,R_O2,R_O3,R_O4,R_O5, | |
351 R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7, | |
352 R_I0,R_I1,R_I2,R_I3,R_I4,R_I5); | |
353 // Lock encodings use G3 and G4 internally | |
354 reg_class lock_ptr_reg(R_G1, R_G5, | |
355 R_O0,R_O1,R_O2,R_O3,R_O4,R_O5, | |
356 R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7, | |
357 R_I0,R_I1,R_I2,R_I3,R_I4,R_I5); | |
358 // Special class for storeP instructions, which can store SP or RPC to TLS. | |
359 // It is also used for memory addressing, allowing direct TLS addressing. | |
360 reg_class sp_ptr_reg( R_G1,R_G2,R_G3,R_G4,R_G5, | |
361 R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_SP, | |
362 R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7, | |
363 R_I0,R_I1,R_I2,R_I3,R_I4,R_I5,R_FP); | |
364 // R_L7 is the lowest-priority callee-save (i.e., NS) register | |
365 // We use it to save R_G2 across calls out of Java. | |
366 reg_class l7_regP(R_L7); | |
367 | |
368 // Other special pointer regs | |
369 reg_class g1_regP(R_G1); | |
370 reg_class g2_regP(R_G2); | |
371 reg_class g3_regP(R_G3); | |
372 reg_class g4_regP(R_G4); | |
373 reg_class g5_regP(R_G5); | |
374 reg_class i0_regP(R_I0); | |
375 reg_class o0_regP(R_O0); | |
376 reg_class o1_regP(R_O1); | |
377 reg_class o2_regP(R_O2); | |
378 reg_class o7_regP(R_O7); | |
379 #endif // _LP64 | |
380 | |
381 | |
382 // ---------------------------- | |
383 // Long Register Classes | |
384 // ---------------------------- | |
385 // Longs in 1 register. Aligned adjacent hi/lo pairs. | |
386 // Note: O7 is never in this class; it is sometimes used as an encoding temp. | |
387 reg_class long_reg( R_G1H,R_G1, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5 | |
388 ,R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5 | |
389 #ifdef _LP64 | |
390 // 64-bit, longs in 1 register: use all 64-bit integer registers | |
391 // 32-bit, longs in 1 register: cannot use I's and L's. Restrict to O's and G's. | |
392 ,R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7 | |
393 ,R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 | |
394 #endif // _LP64 | |
395 ); | |
396 | |
397 reg_class g1_regL(R_G1H,R_G1); | |
398 reg_class o2_regL(R_O2H,R_O2); | |
399 reg_class o7_regL(R_O7H,R_O7); | |
400 | |
401 // ---------------------------- | |
402 // Special Class for Condition Code Flags Register | |
403 reg_class int_flags(CCR); | |
404 reg_class float_flags(FCC0,FCC1,FCC2,FCC3); | |
405 reg_class float_flag0(FCC0); | |
406 | |
407 | |
408 // ---------------------------- | |
409 // Float Point Register Classes | |
410 // ---------------------------- | |
411 // Skip F30/F31, they are reserved for mem-mem copies | |
412 reg_class sflt_reg(R_F0,R_F1,R_F2,R_F3,R_F4,R_F5,R_F6,R_F7,R_F8,R_F9,R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29); | |
413 | |
414 // Paired floating point registers--they show up in the same order as the floats, | |
415 // but they are used with the "Op_RegD" type, and always occur in even/odd pairs. | |
416 reg_class dflt_reg(R_F0, R_F1, R_F2, R_F3, R_F4, R_F5, R_F6, R_F7, R_F8, R_F9, R_F10,R_F11,R_F12,R_F13,R_F14,R_F15, | |
417 R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29, | |
418 /* Use extra V9 double registers; this AD file does not support V8 */ | |
419 R_D32,R_D32x,R_D34,R_D34x,R_D36,R_D36x,R_D38,R_D38x,R_D40,R_D40x,R_D42,R_D42x,R_D44,R_D44x,R_D46,R_D46x, | |
420 R_D48,R_D48x,R_D50,R_D50x,R_D52,R_D52x,R_D54,R_D54x,R_D56,R_D56x,R_D58,R_D58x,R_D60,R_D60x,R_D62,R_D62x | |
421 ); | |
422 | |
423 // Paired floating point registers--they show up in the same order as the floats, | |
424 // but they are used with the "Op_RegD" type, and always occur in even/odd pairs. | |
425 // This class is usable for mis-aligned loads as happen in I2C adapters. | |
426 reg_class dflt_low_reg(R_F0, R_F1, R_F2, R_F3, R_F4, R_F5, R_F6, R_F7, R_F8, R_F9, R_F10,R_F11,R_F12,R_F13,R_F14,R_F15, | |
427 R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,R_F30,R_F31 ); | |
428 %} | |
429 | |
430 //----------DEFINITION BLOCK--------------------------------------------------- | |
431 // Define name --> value mappings to inform the ADLC of an integer valued name | |
432 // Current support includes integer values in the range [0, 0x7FFFFFFF] | |
433 // Format: | |
434 // int_def <name> ( <int_value>, <expression>); | |
435 // Generated Code in ad_<arch>.hpp | |
436 // #define <name> (<expression>) | |
437 // // value == <int_value> | |
438 // Generated code in ad_<arch>.cpp adlc_verification() | |
439 // assert( <name> == <int_value>, "Expect (<expression>) to equal <int_value>"); | |
440 // | |
441 definitions %{ | |
442 // The default cost (of an ALU instruction). | |
443 int_def DEFAULT_COST ( 100, 100); | |
444 int_def HUGE_COST (1000000, 1000000); | |
445 | |
446 // Memory refs are twice as expensive as run-of-the-mill. | |
447 int_def MEMORY_REF_COST ( 200, DEFAULT_COST * 2); | |
448 | |
449 // Branches are even more expensive. | |
450 int_def BRANCH_COST ( 300, DEFAULT_COST * 3); | |
451 int_def CALL_COST ( 300, DEFAULT_COST * 3); | |
452 %} | |
453 | |
454 | |
455 //----------SOURCE BLOCK------------------------------------------------------- | |
456 // This is a block of C++ code which provides values, functions, and | |
457 // definitions necessary in the rest of the architecture description | |
458 source_hpp %{ | |
459 // Must be visible to the DFA in dfa_sparc.cpp | |
460 extern bool can_branch_register( Node *bol, Node *cmp ); | |
461 | |
462 // Macros to extract hi & lo halves from a long pair. | |
463 // G0 is not part of any long pair, so assert on that. | |
464 // Prevents accidently using G1 instead of G0. | |
465 #define LONG_HI_REG(x) (x) | |
466 #define LONG_LO_REG(x) (x) | |
467 | |
468 %} | |
469 | |
470 source %{ | |
471 #define __ _masm. | |
472 | |
473 // tertiary op of a LoadP or StoreP encoding | |
474 #define REGP_OP true | |
475 | |
476 static FloatRegister reg_to_SingleFloatRegister_object(int register_encoding); | |
477 static FloatRegister reg_to_DoubleFloatRegister_object(int register_encoding); | |
478 static Register reg_to_register_object(int register_encoding); | |
479 | |
480 // Used by the DFA in dfa_sparc.cpp. | |
481 // Check for being able to use a V9 branch-on-register. Requires a | |
482 // compare-vs-zero, equal/not-equal, of a value which was zero- or sign- | |
483 // extended. Doesn't work following an integer ADD, for example, because of | |
484 // overflow (-1 incremented yields 0 plus a carry in the high-order word). On | |
485 // 32-bit V9 systems, interrupts currently blow away the high-order 32 bits and | |
486 // replace them with zero, which could become sign-extension in a different OS | |
487 // release. There's no obvious reason why an interrupt will ever fill these | |
488 // bits with non-zero junk (the registers are reloaded with standard LD | |
489 // instructions which either zero-fill or sign-fill). | |
490 bool can_branch_register( Node *bol, Node *cmp ) { | |
491 if( !BranchOnRegister ) return false; | |
492 #ifdef _LP64 | |
493 if( cmp->Opcode() == Op_CmpP ) | |
494 return true; // No problems with pointer compares | |
495 #endif | |
496 if( cmp->Opcode() == Op_CmpL ) | |
497 return true; // No problems with long compares | |
498 | |
499 if( !SparcV9RegsHiBitsZero ) return false; | |
500 if( bol->as_Bool()->_test._test != BoolTest::ne && | |
501 bol->as_Bool()->_test._test != BoolTest::eq ) | |
502 return false; | |
503 | |
504 // Check for comparing against a 'safe' value. Any operation which | |
505 // clears out the high word is safe. Thus, loads and certain shifts | |
506 // are safe, as are non-negative constants. Any operation which | |
507 // preserves zero bits in the high word is safe as long as each of its | |
508 // inputs are safe. Thus, phis and bitwise booleans are safe if their | |
509 // inputs are safe. At present, the only important case to recognize | |
510 // seems to be loads. Constants should fold away, and shifts & | |
511 // logicals can use the 'cc' forms. | |
512 Node *x = cmp->in(1); | |
513 if( x->is_Load() ) return true; | |
514 if( x->is_Phi() ) { | |
515 for( uint i = 1; i < x->req(); i++ ) | |
516 if( !x->in(i)->is_Load() ) | |
517 return false; | |
518 return true; | |
519 } | |
520 return false; | |
521 } | |
522 | |
523 // **************************************************************************** | |
524 | |
525 // REQUIRED FUNCTIONALITY | |
526 | |
527 // !!!!! Special hack to get all type of calls to specify the byte offset | |
528 // from the start of the call to the point where the return address | |
529 // will point. | |
530 // The "return address" is the address of the call instruction, plus 8. | |
531 | |
532 int MachCallStaticJavaNode::ret_addr_offset() { | |
533 return NativeCall::instruction_size; // call; delay slot | |
534 } | |
535 | |
536 int MachCallDynamicJavaNode::ret_addr_offset() { | |
537 int vtable_index = this->_vtable_index; | |
538 if (vtable_index < 0) { | |
539 // must be invalid_vtable_index, not nonvirtual_vtable_index | |
540 assert(vtable_index == methodOopDesc::invalid_vtable_index, "correct sentinel value"); | |
541 return (NativeMovConstReg::instruction_size + | |
542 NativeCall::instruction_size); // sethi; setlo; call; delay slot | |
543 } else { | |
544 assert(!UseInlineCaches, "expect vtable calls only if not using ICs"); | |
545 int entry_offset = instanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size(); | |
546 int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes(); | |
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547 int klass_load_size; |
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548 if (UseCompressedOops) { |
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549 klass_load_size = 3*BytesPerInstWord; // see MacroAssembler::load_klass() |
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550 } else { |
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551 klass_load_size = 1*BytesPerInstWord; |
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552 } |
0 | 553 if( Assembler::is_simm13(v_off) ) { |
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554 return klass_load_size + |
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555 (2*BytesPerInstWord + // ld_ptr, ld_ptr |
0 | 556 NativeCall::instruction_size); // call; delay slot |
557 } else { | |
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558 return klass_load_size + |
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559 (4*BytesPerInstWord + // set_hi, set, ld_ptr, ld_ptr |
0 | 560 NativeCall::instruction_size); // call; delay slot |
561 } | |
562 } | |
563 } | |
564 | |
565 int MachCallRuntimeNode::ret_addr_offset() { | |
566 #ifdef _LP64 | |
567 return NativeFarCall::instruction_size; // farcall; delay slot | |
568 #else | |
569 return NativeCall::instruction_size; // call; delay slot | |
570 #endif | |
571 } | |
572 | |
573 // Indicate if the safepoint node needs the polling page as an input. | |
574 // Since Sparc does not have absolute addressing, it does. | |
575 bool SafePointNode::needs_polling_address_input() { | |
576 return true; | |
577 } | |
578 | |
579 // emit an interrupt that is caught by the debugger (for debugging compiler) | |
580 void emit_break(CodeBuffer &cbuf) { | |
581 MacroAssembler _masm(&cbuf); | |
582 __ breakpoint_trap(); | |
583 } | |
584 | |
585 #ifndef PRODUCT | |
586 void MachBreakpointNode::format( PhaseRegAlloc *, outputStream *st ) const { | |
587 st->print("TA"); | |
588 } | |
589 #endif | |
590 | |
591 void MachBreakpointNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { | |
592 emit_break(cbuf); | |
593 } | |
594 | |
595 uint MachBreakpointNode::size(PhaseRegAlloc *ra_) const { | |
596 return MachNode::size(ra_); | |
597 } | |
598 | |
599 // Traceable jump | |
600 void emit_jmpl(CodeBuffer &cbuf, int jump_target) { | |
601 MacroAssembler _masm(&cbuf); | |
602 Register rdest = reg_to_register_object(jump_target); | |
603 __ JMP(rdest, 0); | |
604 __ delayed()->nop(); | |
605 } | |
606 | |
607 // Traceable jump and set exception pc | |
608 void emit_jmpl_set_exception_pc(CodeBuffer &cbuf, int jump_target) { | |
609 MacroAssembler _masm(&cbuf); | |
610 Register rdest = reg_to_register_object(jump_target); | |
611 __ JMP(rdest, 0); | |
612 __ delayed()->add(O7, frame::pc_return_offset, Oissuing_pc ); | |
613 } | |
614 | |
615 void emit_nop(CodeBuffer &cbuf) { | |
616 MacroAssembler _masm(&cbuf); | |
617 __ nop(); | |
618 } | |
619 | |
620 void emit_illtrap(CodeBuffer &cbuf) { | |
621 MacroAssembler _masm(&cbuf); | |
622 __ illtrap(0); | |
623 } | |
624 | |
625 | |
626 intptr_t get_offset_from_base(const MachNode* n, const TypePtr* atype, int disp32) { | |
627 assert(n->rule() != loadUB_rule, ""); | |
628 | |
629 intptr_t offset = 0; | |
630 const TypePtr *adr_type = TYPE_PTR_SENTINAL; // Check for base==RegI, disp==immP | |
631 const Node* addr = n->get_base_and_disp(offset, adr_type); | |
632 assert(adr_type == (const TypePtr*)-1, "VerifyOops: no support for sparc operands with base==RegI, disp==immP"); | |
633 assert(addr != NULL && addr != (Node*)-1, "invalid addr"); | |
634 assert(addr->bottom_type()->isa_oopptr() == atype, ""); | |
635 atype = atype->add_offset(offset); | |
636 assert(disp32 == offset, "wrong disp32"); | |
637 return atype->_offset; | |
638 } | |
639 | |
640 | |
641 intptr_t get_offset_from_base_2(const MachNode* n, const TypePtr* atype, int disp32) { | |
642 assert(n->rule() != loadUB_rule, ""); | |
643 | |
644 intptr_t offset = 0; | |
645 Node* addr = n->in(2); | |
646 assert(addr->bottom_type()->isa_oopptr() == atype, ""); | |
647 if (addr->is_Mach() && addr->as_Mach()->ideal_Opcode() == Op_AddP) { | |
648 Node* a = addr->in(2/*AddPNode::Address*/); | |
649 Node* o = addr->in(3/*AddPNode::Offset*/); | |
650 offset = o->is_Con() ? o->bottom_type()->is_intptr_t()->get_con() : Type::OffsetBot; | |
651 atype = a->bottom_type()->is_ptr()->add_offset(offset); | |
652 assert(atype->isa_oop_ptr(), "still an oop"); | |
653 } | |
654 offset = atype->is_ptr()->_offset; | |
655 if (offset != Type::OffsetBot) offset += disp32; | |
656 return offset; | |
657 } | |
658 | |
659 // Standard Sparc opcode form2 field breakdown | |
660 static inline void emit2_19(CodeBuffer &cbuf, int f30, int f29, int f25, int f22, int f20, int f19, int f0 ) { | |
661 f0 &= (1<<19)-1; // Mask displacement to 19 bits | |
662 int op = (f30 << 30) | | |
663 (f29 << 29) | | |
664 (f25 << 25) | | |
665 (f22 << 22) | | |
666 (f20 << 20) | | |
667 (f19 << 19) | | |
668 (f0 << 0); | |
669 *((int*)(cbuf.code_end())) = op; | |
670 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
671 } | |
672 | |
673 // Standard Sparc opcode form2 field breakdown | |
674 static inline void emit2_22(CodeBuffer &cbuf, int f30, int f25, int f22, int f0 ) { | |
675 f0 >>= 10; // Drop 10 bits | |
676 f0 &= (1<<22)-1; // Mask displacement to 22 bits | |
677 int op = (f30 << 30) | | |
678 (f25 << 25) | | |
679 (f22 << 22) | | |
680 (f0 << 0); | |
681 *((int*)(cbuf.code_end())) = op; | |
682 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
683 } | |
684 | |
685 // Standard Sparc opcode form3 field breakdown | |
686 static inline void emit3(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int f5, int f0 ) { | |
687 int op = (f30 << 30) | | |
688 (f25 << 25) | | |
689 (f19 << 19) | | |
690 (f14 << 14) | | |
691 (f5 << 5) | | |
692 (f0 << 0); | |
693 *((int*)(cbuf.code_end())) = op; | |
694 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
695 } | |
696 | |
697 // Standard Sparc opcode form3 field breakdown | |
698 static inline void emit3_simm13(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int simm13 ) { | |
699 simm13 &= (1<<13)-1; // Mask to 13 bits | |
700 int op = (f30 << 30) | | |
701 (f25 << 25) | | |
702 (f19 << 19) | | |
703 (f14 << 14) | | |
704 (1 << 13) | // bit to indicate immediate-mode | |
705 (simm13<<0); | |
706 *((int*)(cbuf.code_end())) = op; | |
707 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
708 } | |
709 | |
710 static inline void emit3_simm10(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int simm10 ) { | |
711 simm10 &= (1<<10)-1; // Mask to 10 bits | |
712 emit3_simm13(cbuf,f30,f25,f19,f14,simm10); | |
713 } | |
714 | |
715 #ifdef ASSERT | |
716 // Helper function for VerifyOops in emit_form3_mem_reg | |
717 void verify_oops_warning(const MachNode *n, int ideal_op, int mem_op) { | |
718 warning("VerifyOops encountered unexpected instruction:"); | |
719 n->dump(2); | |
720 warning("Instruction has ideal_Opcode==Op_%s and op_ld==Op_%s \n", NodeClassNames[ideal_op], NodeClassNames[mem_op]); | |
721 } | |
722 #endif | |
723 | |
724 | |
725 void emit_form3_mem_reg(CodeBuffer &cbuf, const MachNode* n, int primary, int tertiary, | |
726 int src1_enc, int disp32, int src2_enc, int dst_enc) { | |
727 | |
728 #ifdef ASSERT | |
729 // The following code implements the +VerifyOops feature. | |
730 // It verifies oop values which are loaded into or stored out of | |
731 // the current method activation. +VerifyOops complements techniques | |
732 // like ScavengeALot, because it eagerly inspects oops in transit, | |
733 // as they enter or leave the stack, as opposed to ScavengeALot, | |
734 // which inspects oops "at rest", in the stack or heap, at safepoints. | |
735 // For this reason, +VerifyOops can sometimes detect bugs very close | |
736 // to their point of creation. It can also serve as a cross-check | |
737 // on the validity of oop maps, when used toegether with ScavengeALot. | |
738 | |
739 // It would be good to verify oops at other points, especially | |
740 // when an oop is used as a base pointer for a load or store. | |
741 // This is presently difficult, because it is hard to know when | |
742 // a base address is biased or not. (If we had such information, | |
743 // it would be easy and useful to make a two-argument version of | |
744 // verify_oop which unbiases the base, and performs verification.) | |
745 | |
746 assert((uint)tertiary == 0xFFFFFFFF || tertiary == REGP_OP, "valid tertiary"); | |
747 bool is_verified_oop_base = false; | |
748 bool is_verified_oop_load = false; | |
749 bool is_verified_oop_store = false; | |
750 int tmp_enc = -1; | |
751 if (VerifyOops && src1_enc != R_SP_enc) { | |
752 // classify the op, mainly for an assert check | |
753 int st_op = 0, ld_op = 0; | |
754 switch (primary) { | |
755 case Assembler::stb_op3: st_op = Op_StoreB; break; | |
756 case Assembler::sth_op3: st_op = Op_StoreC; break; | |
757 case Assembler::stx_op3: // may become StoreP or stay StoreI or StoreD0 | |
758 case Assembler::stw_op3: st_op = Op_StoreI; break; | |
759 case Assembler::std_op3: st_op = Op_StoreL; break; | |
760 case Assembler::stf_op3: st_op = Op_StoreF; break; | |
761 case Assembler::stdf_op3: st_op = Op_StoreD; break; | |
762 | |
763 case Assembler::ldsb_op3: ld_op = Op_LoadB; break; | |
764 case Assembler::lduh_op3: ld_op = Op_LoadC; break; | |
765 case Assembler::ldsh_op3: ld_op = Op_LoadS; break; | |
766 case Assembler::ldx_op3: // may become LoadP or stay LoadI | |
767 case Assembler::ldsw_op3: // may become LoadP or stay LoadI | |
768 case Assembler::lduw_op3: ld_op = Op_LoadI; break; | |
769 case Assembler::ldd_op3: ld_op = Op_LoadL; break; | |
770 case Assembler::ldf_op3: ld_op = Op_LoadF; break; | |
771 case Assembler::lddf_op3: ld_op = Op_LoadD; break; | |
772 case Assembler::ldub_op3: ld_op = Op_LoadB; break; | |
773 case Assembler::prefetch_op3: ld_op = Op_LoadI; break; | |
774 | |
775 default: ShouldNotReachHere(); | |
776 } | |
777 if (tertiary == REGP_OP) { | |
778 if (st_op == Op_StoreI) st_op = Op_StoreP; | |
779 else if (ld_op == Op_LoadI) ld_op = Op_LoadP; | |
780 else ShouldNotReachHere(); | |
781 if (st_op) { | |
782 // a store | |
783 // inputs are (0:control, 1:memory, 2:address, 3:value) | |
784 Node* n2 = n->in(3); | |
785 if (n2 != NULL) { | |
786 const Type* t = n2->bottom_type(); | |
787 is_verified_oop_store = t->isa_oop_ptr() ? (t->is_ptr()->_offset==0) : false; | |
788 } | |
789 } else { | |
790 // a load | |
791 const Type* t = n->bottom_type(); | |
792 is_verified_oop_load = t->isa_oop_ptr() ? (t->is_ptr()->_offset==0) : false; | |
793 } | |
794 } | |
795 | |
796 if (ld_op) { | |
797 // a Load | |
798 // inputs are (0:control, 1:memory, 2:address) | |
799 if (!(n->ideal_Opcode()==ld_op) && // Following are special cases | |
800 !(n->ideal_Opcode()==Op_LoadLLocked && ld_op==Op_LoadI) && | |
801 !(n->ideal_Opcode()==Op_LoadPLocked && ld_op==Op_LoadP) && | |
802 !(n->ideal_Opcode()==Op_LoadI && ld_op==Op_LoadF) && | |
803 !(n->ideal_Opcode()==Op_LoadF && ld_op==Op_LoadI) && | |
804 !(n->ideal_Opcode()==Op_LoadRange && ld_op==Op_LoadI) && | |
805 !(n->ideal_Opcode()==Op_LoadKlass && ld_op==Op_LoadP) && | |
806 !(n->ideal_Opcode()==Op_LoadL && ld_op==Op_LoadI) && | |
807 !(n->ideal_Opcode()==Op_LoadL_unaligned && ld_op==Op_LoadI) && | |
808 !(n->ideal_Opcode()==Op_LoadD_unaligned && ld_op==Op_LoadF) && | |
809 !(n->ideal_Opcode()==Op_ConvI2F && ld_op==Op_LoadF) && | |
810 !(n->ideal_Opcode()==Op_ConvI2D && ld_op==Op_LoadF) && | |
811 !(n->ideal_Opcode()==Op_PrefetchRead && ld_op==Op_LoadI) && | |
812 !(n->ideal_Opcode()==Op_PrefetchWrite && ld_op==Op_LoadI) && | |
813 !(n->rule() == loadUB_rule)) { | |
814 verify_oops_warning(n, n->ideal_Opcode(), ld_op); | |
815 } | |
816 } else if (st_op) { | |
817 // a Store | |
818 // inputs are (0:control, 1:memory, 2:address, 3:value) | |
819 if (!(n->ideal_Opcode()==st_op) && // Following are special cases | |
820 !(n->ideal_Opcode()==Op_StoreCM && st_op==Op_StoreB) && | |
821 !(n->ideal_Opcode()==Op_StoreI && st_op==Op_StoreF) && | |
822 !(n->ideal_Opcode()==Op_StoreF && st_op==Op_StoreI) && | |
823 !(n->ideal_Opcode()==Op_StoreL && st_op==Op_StoreI) && | |
824 !(n->ideal_Opcode()==Op_StoreD && st_op==Op_StoreI && n->rule() == storeD0_rule)) { | |
825 verify_oops_warning(n, n->ideal_Opcode(), st_op); | |
826 } | |
827 } | |
828 | |
829 if (src2_enc == R_G0_enc && n->rule() != loadUB_rule && n->ideal_Opcode() != Op_StoreCM ) { | |
830 Node* addr = n->in(2); | |
831 if (!(addr->is_Mach() && addr->as_Mach()->ideal_Opcode() == Op_AddP)) { | |
832 const TypeOopPtr* atype = addr->bottom_type()->isa_instptr(); // %%% oopptr? | |
833 if (atype != NULL) { | |
834 intptr_t offset = get_offset_from_base(n, atype, disp32); | |
835 intptr_t offset_2 = get_offset_from_base_2(n, atype, disp32); | |
836 if (offset != offset_2) { | |
837 get_offset_from_base(n, atype, disp32); | |
838 get_offset_from_base_2(n, atype, disp32); | |
839 } | |
840 assert(offset == offset_2, "different offsets"); | |
841 if (offset == disp32) { | |
842 // we now know that src1 is a true oop pointer | |
843 is_verified_oop_base = true; | |
844 if (ld_op && src1_enc == dst_enc && ld_op != Op_LoadF && ld_op != Op_LoadD) { | |
845 if( primary == Assembler::ldd_op3 ) { | |
846 is_verified_oop_base = false; // Cannot 'ldd' into O7 | |
847 } else { | |
848 tmp_enc = dst_enc; | |
849 dst_enc = R_O7_enc; // Load into O7; preserve source oop | |
850 assert(src1_enc != dst_enc, ""); | |
851 } | |
852 } | |
853 } | |
854 if (st_op && (( offset == oopDesc::klass_offset_in_bytes()) | |
855 || offset == oopDesc::mark_offset_in_bytes())) { | |
856 // loading the mark should not be allowed either, but | |
857 // we don't check this since it conflicts with InlineObjectHash | |
858 // usage of LoadINode to get the mark. We could keep the | |
859 // check if we create a new LoadMarkNode | |
860 // but do not verify the object before its header is initialized | |
861 ShouldNotReachHere(); | |
862 } | |
863 } | |
864 } | |
865 } | |
866 } | |
867 #endif | |
868 | |
869 uint instr; | |
870 instr = (Assembler::ldst_op << 30) | |
871 | (dst_enc << 25) | |
872 | (primary << 19) | |
873 | (src1_enc << 14); | |
874 | |
875 uint index = src2_enc; | |
876 int disp = disp32; | |
877 | |
878 if (src1_enc == R_SP_enc || src1_enc == R_FP_enc) | |
879 disp += STACK_BIAS; | |
880 | |
881 // We should have a compiler bailout here rather than a guarantee. | |
882 // Better yet would be some mechanism to handle variable-size matches correctly. | |
883 guarantee(Assembler::is_simm13(disp), "Do not match large constant offsets" ); | |
884 | |
885 if( disp == 0 ) { | |
886 // use reg-reg form | |
887 // bit 13 is already zero | |
888 instr |= index; | |
889 } else { | |
890 // use reg-imm form | |
891 instr |= 0x00002000; // set bit 13 to one | |
892 instr |= disp & 0x1FFF; | |
893 } | |
894 | |
895 uint *code = (uint*)cbuf.code_end(); | |
896 *code = instr; | |
897 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
898 | |
899 #ifdef ASSERT | |
900 { | |
901 MacroAssembler _masm(&cbuf); | |
902 if (is_verified_oop_base) { | |
903 __ verify_oop(reg_to_register_object(src1_enc)); | |
904 } | |
905 if (is_verified_oop_store) { | |
906 __ verify_oop(reg_to_register_object(dst_enc)); | |
907 } | |
908 if (tmp_enc != -1) { | |
909 __ mov(O7, reg_to_register_object(tmp_enc)); | |
910 } | |
911 if (is_verified_oop_load) { | |
912 __ verify_oop(reg_to_register_object(dst_enc)); | |
913 } | |
914 } | |
915 #endif | |
916 } | |
917 | |
918 void emit_form3_mem_reg_asi(CodeBuffer &cbuf, const MachNode* n, int primary, int tertiary, | |
919 int src1_enc, int disp32, int src2_enc, int dst_enc, int asi) { | |
920 | |
921 uint instr; | |
922 instr = (Assembler::ldst_op << 30) | |
923 | (dst_enc << 25) | |
924 | (primary << 19) | |
925 | (src1_enc << 14); | |
926 | |
927 int disp = disp32; | |
928 int index = src2_enc; | |
929 | |
930 if (src1_enc == R_SP_enc || src1_enc == R_FP_enc) | |
931 disp += STACK_BIAS; | |
932 | |
933 // We should have a compiler bailout here rather than a guarantee. | |
934 // Better yet would be some mechanism to handle variable-size matches correctly. | |
935 guarantee(Assembler::is_simm13(disp), "Do not match large constant offsets" ); | |
936 | |
937 if( disp != 0 ) { | |
938 // use reg-reg form | |
939 // set src2=R_O7 contains offset | |
940 index = R_O7_enc; | |
941 emit3_simm13( cbuf, Assembler::arith_op, index, Assembler::or_op3, 0, disp); | |
942 } | |
943 instr |= (asi << 5); | |
944 instr |= index; | |
945 uint *code = (uint*)cbuf.code_end(); | |
946 *code = instr; | |
947 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
948 } | |
949 | |
950 void emit_call_reloc(CodeBuffer &cbuf, intptr_t entry_point, relocInfo::relocType rtype, bool preserve_g2 = false, bool force_far_call = false) { | |
951 // The method which records debug information at every safepoint | |
952 // expects the call to be the first instruction in the snippet as | |
953 // it creates a PcDesc structure which tracks the offset of a call | |
954 // from the start of the codeBlob. This offset is computed as | |
955 // code_end() - code_begin() of the code which has been emitted | |
956 // so far. | |
957 // In this particular case we have skirted around the problem by | |
958 // putting the "mov" instruction in the delay slot but the problem | |
959 // may bite us again at some other point and a cleaner/generic | |
960 // solution using relocations would be needed. | |
961 MacroAssembler _masm(&cbuf); | |
962 __ set_inst_mark(); | |
963 | |
964 // We flush the current window just so that there is a valid stack copy | |
965 // the fact that the current window becomes active again instantly is | |
966 // not a problem there is nothing live in it. | |
967 | |
968 #ifdef ASSERT | |
969 int startpos = __ offset(); | |
970 #endif /* ASSERT */ | |
971 | |
972 #ifdef _LP64 | |
973 // Calls to the runtime or native may not be reachable from compiled code, | |
974 // so we generate the far call sequence on 64 bit sparc. | |
975 // This code sequence is relocatable to any address, even on LP64. | |
976 if ( force_far_call ) { | |
977 __ relocate(rtype); | |
978 Address dest(O7, (address)entry_point); | |
979 __ jumpl_to(dest, O7); | |
980 } | |
981 else | |
982 #endif | |
983 { | |
984 __ call((address)entry_point, rtype); | |
985 } | |
986 | |
987 if (preserve_g2) __ delayed()->mov(G2, L7); | |
988 else __ delayed()->nop(); | |
989 | |
990 if (preserve_g2) __ mov(L7, G2); | |
991 | |
992 #ifdef ASSERT | |
993 if (preserve_g2 && (VerifyCompiledCode || VerifyOops)) { | |
994 #ifdef _LP64 | |
995 // Trash argument dump slots. | |
996 __ set(0xb0b8ac0db0b8ac0d, G1); | |
997 __ mov(G1, G5); | |
998 __ stx(G1, SP, STACK_BIAS + 0x80); | |
999 __ stx(G1, SP, STACK_BIAS + 0x88); | |
1000 __ stx(G1, SP, STACK_BIAS + 0x90); | |
1001 __ stx(G1, SP, STACK_BIAS + 0x98); | |
1002 __ stx(G1, SP, STACK_BIAS + 0xA0); | |
1003 __ stx(G1, SP, STACK_BIAS + 0xA8); | |
1004 #else // _LP64 | |
1005 // this is also a native call, so smash the first 7 stack locations, | |
1006 // and the various registers | |
1007 | |
1008 // Note: [SP+0x40] is sp[callee_aggregate_return_pointer_sp_offset], | |
1009 // while [SP+0x44..0x58] are the argument dump slots. | |
1010 __ set((intptr_t)0xbaadf00d, G1); | |
1011 __ mov(G1, G5); | |
1012 __ sllx(G1, 32, G1); | |
1013 __ or3(G1, G5, G1); | |
1014 __ mov(G1, G5); | |
1015 __ stx(G1, SP, 0x40); | |
1016 __ stx(G1, SP, 0x48); | |
1017 __ stx(G1, SP, 0x50); | |
1018 __ stw(G1, SP, 0x58); // Do not trash [SP+0x5C] which is a usable spill slot | |
1019 #endif // _LP64 | |
1020 } | |
1021 #endif /*ASSERT*/ | |
1022 } | |
1023 | |
1024 //============================================================================= | |
1025 // REQUIRED FUNCTIONALITY for encoding | |
1026 void emit_lo(CodeBuffer &cbuf, int val) { } | |
1027 void emit_hi(CodeBuffer &cbuf, int val) { } | |
1028 | |
1029 void emit_ptr(CodeBuffer &cbuf, intptr_t val, Register reg, bool ForceRelocatable) { | |
1030 MacroAssembler _masm(&cbuf); | |
1031 if (ForceRelocatable) { | |
1032 Address addr(reg, (address)val); | |
1033 __ sethi(addr, ForceRelocatable); | |
1034 __ add(addr, reg); | |
1035 } else { | |
1036 __ set(val, reg); | |
1037 } | |
1038 } | |
1039 | |
1040 | |
1041 //============================================================================= | |
1042 | |
1043 #ifndef PRODUCT | |
1044 void MachPrologNode::format( PhaseRegAlloc *ra_, outputStream *st ) const { | |
1045 Compile* C = ra_->C; | |
1046 | |
1047 for (int i = 0; i < OptoPrologueNops; i++) { | |
1048 st->print_cr("NOP"); st->print("\t"); | |
1049 } | |
1050 | |
1051 if( VerifyThread ) { | |
1052 st->print_cr("Verify_Thread"); st->print("\t"); | |
1053 } | |
1054 | |
1055 size_t framesize = C->frame_slots() << LogBytesPerInt; | |
1056 | |
1057 // Calls to C2R adapters often do not accept exceptional returns. | |
1058 // We require that their callers must bang for them. But be careful, because | |
1059 // some VM calls (such as call site linkage) can use several kilobytes of | |
1060 // stack. But the stack safety zone should account for that. | |
1061 // See bugs 4446381, 4468289, 4497237. | |
1062 if (C->need_stack_bang(framesize)) { | |
1063 st->print_cr("! stack bang"); st->print("\t"); | |
1064 } | |
1065 | |
1066 if (Assembler::is_simm13(-framesize)) { | |
1067 st->print ("SAVE R_SP,-%d,R_SP",framesize); | |
1068 } else { | |
1069 st->print_cr("SETHI R_SP,hi%%(-%d),R_G3",framesize); st->print("\t"); | |
1070 st->print_cr("ADD R_G3,lo%%(-%d),R_G3",framesize); st->print("\t"); | |
1071 st->print ("SAVE R_SP,R_G3,R_SP"); | |
1072 } | |
1073 | |
1074 } | |
1075 #endif | |
1076 | |
1077 void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { | |
1078 Compile* C = ra_->C; | |
1079 MacroAssembler _masm(&cbuf); | |
1080 | |
1081 for (int i = 0; i < OptoPrologueNops; i++) { | |
1082 __ nop(); | |
1083 } | |
1084 | |
1085 __ verify_thread(); | |
1086 | |
1087 size_t framesize = C->frame_slots() << LogBytesPerInt; | |
1088 assert(framesize >= 16*wordSize, "must have room for reg. save area"); | |
1089 assert(framesize%(2*wordSize) == 0, "must preserve 2*wordSize alignment"); | |
1090 | |
1091 // Calls to C2R adapters often do not accept exceptional returns. | |
1092 // We require that their callers must bang for them. But be careful, because | |
1093 // some VM calls (such as call site linkage) can use several kilobytes of | |
1094 // stack. But the stack safety zone should account for that. | |
1095 // See bugs 4446381, 4468289, 4497237. | |
1096 if (C->need_stack_bang(framesize)) { | |
1097 __ generate_stack_overflow_check(framesize); | |
1098 } | |
1099 | |
1100 if (Assembler::is_simm13(-framesize)) { | |
1101 __ save(SP, -framesize, SP); | |
1102 } else { | |
1103 __ sethi(-framesize & ~0x3ff, G3); | |
1104 __ add(G3, -framesize & 0x3ff, G3); | |
1105 __ save(SP, G3, SP); | |
1106 } | |
1107 C->set_frame_complete( __ offset() ); | |
1108 } | |
1109 | |
1110 uint MachPrologNode::size(PhaseRegAlloc *ra_) const { | |
1111 return MachNode::size(ra_); | |
1112 } | |
1113 | |
1114 int MachPrologNode::reloc() const { | |
1115 return 10; // a large enough number | |
1116 } | |
1117 | |
1118 //============================================================================= | |
1119 #ifndef PRODUCT | |
1120 void MachEpilogNode::format( PhaseRegAlloc *ra_, outputStream *st ) const { | |
1121 Compile* C = ra_->C; | |
1122 | |
1123 if( do_polling() && ra_->C->is_method_compilation() ) { | |
1124 st->print("SETHI #PollAddr,L0\t! Load Polling address\n\t"); | |
1125 #ifdef _LP64 | |
1126 st->print("LDX [L0],G0\t!Poll for Safepointing\n\t"); | |
1127 #else | |
1128 st->print("LDUW [L0],G0\t!Poll for Safepointing\n\t"); | |
1129 #endif | |
1130 } | |
1131 | |
1132 if( do_polling() ) | |
1133 st->print("RET\n\t"); | |
1134 | |
1135 st->print("RESTORE"); | |
1136 } | |
1137 #endif | |
1138 | |
1139 void MachEpilogNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { | |
1140 MacroAssembler _masm(&cbuf); | |
1141 Compile* C = ra_->C; | |
1142 | |
1143 __ verify_thread(); | |
1144 | |
1145 // If this does safepoint polling, then do it here | |
1146 if( do_polling() && ra_->C->is_method_compilation() ) { | |
1147 Address polling_page(L0, (address)os::get_polling_page()); | |
1148 __ sethi(polling_page, false); | |
1149 __ relocate(relocInfo::poll_return_type); | |
1150 __ ld_ptr( L0, 0, G0 ); | |
1151 } | |
1152 | |
1153 // If this is a return, then stuff the restore in the delay slot | |
1154 if( do_polling() ) { | |
1155 __ ret(); | |
1156 __ delayed()->restore(); | |
1157 } else { | |
1158 __ restore(); | |
1159 } | |
1160 } | |
1161 | |
1162 uint MachEpilogNode::size(PhaseRegAlloc *ra_) const { | |
1163 return MachNode::size(ra_); | |
1164 } | |
1165 | |
1166 int MachEpilogNode::reloc() const { | |
1167 return 16; // a large enough number | |
1168 } | |
1169 | |
1170 const Pipeline * MachEpilogNode::pipeline() const { | |
1171 return MachNode::pipeline_class(); | |
1172 } | |
1173 | |
1174 int MachEpilogNode::safepoint_offset() const { | |
1175 assert( do_polling(), "no return for this epilog node"); | |
1176 return MacroAssembler::size_of_sethi(os::get_polling_page()); | |
1177 } | |
1178 | |
1179 //============================================================================= | |
1180 | |
1181 // Figure out which register class each belongs in: rc_int, rc_float, rc_stack | |
1182 enum RC { rc_bad, rc_int, rc_float, rc_stack }; | |
1183 static enum RC rc_class( OptoReg::Name reg ) { | |
1184 if( !OptoReg::is_valid(reg) ) return rc_bad; | |
1185 if (OptoReg::is_stack(reg)) return rc_stack; | |
1186 VMReg r = OptoReg::as_VMReg(reg); | |
1187 if (r->is_Register()) return rc_int; | |
1188 assert(r->is_FloatRegister(), "must be"); | |
1189 return rc_float; | |
1190 } | |
1191 | |
1192 static int impl_helper( const MachNode *mach, CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, bool is_load, int offset, int reg, int opcode, const char *op_str, int size, outputStream* st ) { | |
1193 if( cbuf ) { | |
1194 // Better yet would be some mechanism to handle variable-size matches correctly | |
1195 if (!Assembler::is_simm13(offset + STACK_BIAS)) { | |
1196 ra_->C->record_method_not_compilable("unable to handle large constant offsets"); | |
1197 } else { | |
1198 emit_form3_mem_reg(*cbuf, mach, opcode, -1, R_SP_enc, offset, 0, Matcher::_regEncode[reg]); | |
1199 } | |
1200 } | |
1201 #ifndef PRODUCT | |
1202 else if( !do_size ) { | |
1203 if( size != 0 ) st->print("\n\t"); | |
1204 if( is_load ) st->print("%s [R_SP + #%d],R_%s\t! spill",op_str,offset,OptoReg::regname(reg)); | |
1205 else st->print("%s R_%s,[R_SP + #%d]\t! spill",op_str,OptoReg::regname(reg),offset); | |
1206 } | |
1207 #endif | |
1208 return size+4; | |
1209 } | |
1210 | |
1211 static int impl_mov_helper( CodeBuffer *cbuf, bool do_size, int src, int dst, int op1, int op2, const char *op_str, int size, outputStream* st ) { | |
1212 if( cbuf ) emit3( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst], op1, 0, op2, Matcher::_regEncode[src] ); | |
1213 #ifndef PRODUCT | |
1214 else if( !do_size ) { | |
1215 if( size != 0 ) st->print("\n\t"); | |
1216 st->print("%s R_%s,R_%s\t! spill",op_str,OptoReg::regname(src),OptoReg::regname(dst)); | |
1217 } | |
1218 #endif | |
1219 return size+4; | |
1220 } | |
1221 | |
1222 uint MachSpillCopyNode::implementation( CodeBuffer *cbuf, | |
1223 PhaseRegAlloc *ra_, | |
1224 bool do_size, | |
1225 outputStream* st ) const { | |
1226 // Get registers to move | |
1227 OptoReg::Name src_second = ra_->get_reg_second(in(1)); | |
1228 OptoReg::Name src_first = ra_->get_reg_first(in(1)); | |
1229 OptoReg::Name dst_second = ra_->get_reg_second(this ); | |
1230 OptoReg::Name dst_first = ra_->get_reg_first(this ); | |
1231 | |
1232 enum RC src_second_rc = rc_class(src_second); | |
1233 enum RC src_first_rc = rc_class(src_first); | |
1234 enum RC dst_second_rc = rc_class(dst_second); | |
1235 enum RC dst_first_rc = rc_class(dst_first); | |
1236 | |
1237 assert( OptoReg::is_valid(src_first) && OptoReg::is_valid(dst_first), "must move at least 1 register" ); | |
1238 | |
1239 // Generate spill code! | |
1240 int size = 0; | |
1241 | |
1242 if( src_first == dst_first && src_second == dst_second ) | |
1243 return size; // Self copy, no move | |
1244 | |
1245 // -------------------------------------- | |
1246 // Check for mem-mem move. Load into unused float registers and fall into | |
1247 // the float-store case. | |
1248 if( src_first_rc == rc_stack && dst_first_rc == rc_stack ) { | |
1249 int offset = ra_->reg2offset(src_first); | |
1250 // Further check for aligned-adjacent pair, so we can use a double load | |
1251 if( (src_first&1)==0 && src_first+1 == src_second ) { | |
1252 src_second = OptoReg::Name(R_F31_num); | |
1253 src_second_rc = rc_float; | |
1254 size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F30_num,Assembler::lddf_op3,"LDDF",size, st); | |
1255 } else { | |
1256 size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F30_num,Assembler::ldf_op3 ,"LDF ",size, st); | |
1257 } | |
1258 src_first = OptoReg::Name(R_F30_num); | |
1259 src_first_rc = rc_float; | |
1260 } | |
1261 | |
1262 if( src_second_rc == rc_stack && dst_second_rc == rc_stack ) { | |
1263 int offset = ra_->reg2offset(src_second); | |
1264 size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F31_num,Assembler::ldf_op3,"LDF ",size, st); | |
1265 src_second = OptoReg::Name(R_F31_num); | |
1266 src_second_rc = rc_float; | |
1267 } | |
1268 | |
1269 // -------------------------------------- | |
1270 // Check for float->int copy; requires a trip through memory | |
1271 if( src_first_rc == rc_float && dst_first_rc == rc_int ) { | |
1272 int offset = frame::register_save_words*wordSize; | |
1273 if( cbuf ) { | |
1274 emit3_simm13( *cbuf, Assembler::arith_op, R_SP_enc, Assembler::sub_op3, R_SP_enc, 16 ); | |
1275 impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st); | |
1276 impl_helper(this,cbuf,ra_,do_size,true ,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st); | |
1277 emit3_simm13( *cbuf, Assembler::arith_op, R_SP_enc, Assembler::add_op3, R_SP_enc, 16 ); | |
1278 } | |
1279 #ifndef PRODUCT | |
1280 else if( !do_size ) { | |
1281 if( size != 0 ) st->print("\n\t"); | |
1282 st->print( "SUB R_SP,16,R_SP\n"); | |
1283 impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st); | |
1284 impl_helper(this,cbuf,ra_,do_size,true ,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st); | |
1285 st->print("\tADD R_SP,16,R_SP\n"); | |
1286 } | |
1287 #endif | |
1288 size += 16; | |
1289 } | |
1290 | |
1291 // -------------------------------------- | |
1292 // In the 32-bit 1-reg-longs build ONLY, I see mis-aligned long destinations. | |
1293 // In such cases, I have to do the big-endian swap. For aligned targets, the | |
1294 // hardware does the flop for me. Doubles are always aligned, so no problem | |
1295 // there. Misaligned sources only come from native-long-returns (handled | |
1296 // special below). | |
1297 #ifndef _LP64 | |
1298 if( src_first_rc == rc_int && // source is already big-endian | |
1299 src_second_rc != rc_bad && // 64-bit move | |
1300 ((dst_first&1)!=0 || dst_second != dst_first+1) ) { // misaligned dst | |
1301 assert( (src_first&1)==0 && src_second == src_first+1, "source must be aligned" ); | |
1302 // Do the big-endian flop. | |
1303 OptoReg::Name tmp = dst_first ; dst_first = dst_second ; dst_second = tmp ; | |
1304 enum RC tmp_rc = dst_first_rc; dst_first_rc = dst_second_rc; dst_second_rc = tmp_rc; | |
1305 } | |
1306 #endif | |
1307 | |
1308 // -------------------------------------- | |
1309 // Check for integer reg-reg copy | |
1310 if( src_first_rc == rc_int && dst_first_rc == rc_int ) { | |
1311 #ifndef _LP64 | |
1312 if( src_first == R_O0_num && src_second == R_O1_num ) { // Check for the evil O0/O1 native long-return case | |
1313 // Note: The _first and _second suffixes refer to the addresses of the the 2 halves of the 64-bit value | |
1314 // as stored in memory. On a big-endian machine like SPARC, this means that the _second | |
1315 // operand contains the least significant word of the 64-bit value and vice versa. | |
1316 OptoReg::Name tmp = OptoReg::Name(R_O7_num); | |
1317 assert( (dst_first&1)==0 && dst_second == dst_first+1, "return a native O0/O1 long to an aligned-adjacent 64-bit reg" ); | |
1318 // Shift O0 left in-place, zero-extend O1, then OR them into the dst | |
1319 if( cbuf ) { | |
1320 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[tmp], Assembler::sllx_op3, Matcher::_regEncode[src_first], 0x1020 ); | |
1321 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[src_second], Assembler::srl_op3, Matcher::_regEncode[src_second], 0x0000 ); | |
1322 emit3 ( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_first], Assembler:: or_op3, Matcher::_regEncode[tmp], 0, Matcher::_regEncode[src_second] ); | |
1323 #ifndef PRODUCT | |
1324 } else if( !do_size ) { | |
1325 if( size != 0 ) st->print("\n\t"); | |
1326 st->print("SLLX R_%s,32,R_%s\t! Move O0-first to O7-high\n\t", OptoReg::regname(src_first), OptoReg::regname(tmp)); | |
1327 st->print("SRL R_%s, 0,R_%s\t! Zero-extend O1\n\t", OptoReg::regname(src_second), OptoReg::regname(src_second)); | |
1328 st->print("OR R_%s,R_%s,R_%s\t! spill",OptoReg::regname(tmp), OptoReg::regname(src_second), OptoReg::regname(dst_first)); | |
1329 #endif | |
1330 } | |
1331 return size+12; | |
1332 } | |
1333 else if( dst_first == R_I0_num && dst_second == R_I1_num ) { | |
1334 // returning a long value in I0/I1 | |
1335 // a SpillCopy must be able to target a return instruction's reg_class | |
1336 // Note: The _first and _second suffixes refer to the addresses of the the 2 halves of the 64-bit value | |
1337 // as stored in memory. On a big-endian machine like SPARC, this means that the _second | |
1338 // operand contains the least significant word of the 64-bit value and vice versa. | |
1339 OptoReg::Name tdest = dst_first; | |
1340 | |
1341 if (src_first == dst_first) { | |
1342 tdest = OptoReg::Name(R_O7_num); | |
1343 size += 4; | |
1344 } | |
1345 | |
1346 if( cbuf ) { | |
1347 assert( (src_first&1) == 0 && (src_first+1) == src_second, "return value was in an aligned-adjacent 64-bit reg"); | |
1348 // Shift value in upper 32-bits of src to lower 32-bits of I0; move lower 32-bits to I1 | |
1349 // ShrL_reg_imm6 | |
1350 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[tdest], Assembler::srlx_op3, Matcher::_regEncode[src_second], 32 | 0x1000 ); | |
1351 // ShrR_reg_imm6 src, 0, dst | |
1352 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_second], Assembler::srl_op3, Matcher::_regEncode[src_first], 0x0000 ); | |
1353 if (tdest != dst_first) { | |
1354 emit3 ( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_first], Assembler::or_op3, 0/*G0*/, 0/*op2*/, Matcher::_regEncode[tdest] ); | |
1355 } | |
1356 } | |
1357 #ifndef PRODUCT | |
1358 else if( !do_size ) { | |
1359 if( size != 0 ) st->print("\n\t"); // %%%%% !!!!! | |
1360 st->print("SRLX R_%s,32,R_%s\t! Extract MSW\n\t",OptoReg::regname(src_second),OptoReg::regname(tdest)); | |
1361 st->print("SRL R_%s, 0,R_%s\t! Extract LSW\n\t",OptoReg::regname(src_first),OptoReg::regname(dst_second)); | |
1362 if (tdest != dst_first) { | |
1363 st->print("MOV R_%s,R_%s\t! spill\n\t", OptoReg::regname(tdest), OptoReg::regname(dst_first)); | |
1364 } | |
1365 } | |
1366 #endif // PRODUCT | |
1367 return size+8; | |
1368 } | |
1369 #endif // !_LP64 | |
1370 // Else normal reg-reg copy | |
1371 assert( src_second != dst_first, "smashed second before evacuating it" ); | |
1372 size = impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::or_op3,0,"MOV ",size, st); | |
1373 assert( (src_first&1) == 0 && (dst_first&1) == 0, "never move second-halves of int registers" ); | |
1374 // This moves an aligned adjacent pair. | |
1375 // See if we are done. | |
1376 if( src_first+1 == src_second && dst_first+1 == dst_second ) | |
1377 return size; | |
1378 } | |
1379 | |
1380 // Check for integer store | |
1381 if( src_first_rc == rc_int && dst_first_rc == rc_stack ) { | |
1382 int offset = ra_->reg2offset(dst_first); | |
1383 // Further check for aligned-adjacent pair, so we can use a double store | |
1384 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second ) | |
1385 return impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stx_op3,"STX ",size, st); | |
1386 size = impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stw_op3,"STW ",size, st); | |
1387 } | |
1388 | |
1389 // Check for integer load | |
1390 if( dst_first_rc == rc_int && src_first_rc == rc_stack ) { | |
1391 int offset = ra_->reg2offset(src_first); | |
1392 // Further check for aligned-adjacent pair, so we can use a double load | |
1393 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second ) | |
1394 return impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::ldx_op3 ,"LDX ",size, st); | |
1395 size = impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st); | |
1396 } | |
1397 | |
1398 // Check for float reg-reg copy | |
1399 if( src_first_rc == rc_float && dst_first_rc == rc_float ) { | |
1400 // Further check for aligned-adjacent pair, so we can use a double move | |
1401 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second ) | |
1402 return impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::fpop1_op3,Assembler::fmovd_opf,"FMOVD",size, st); | |
1403 size = impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::fpop1_op3,Assembler::fmovs_opf,"FMOVS",size, st); | |
1404 } | |
1405 | |
1406 // Check for float store | |
1407 if( src_first_rc == rc_float && dst_first_rc == rc_stack ) { | |
1408 int offset = ra_->reg2offset(dst_first); | |
1409 // Further check for aligned-adjacent pair, so we can use a double store | |
1410 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second ) | |
1411 return impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stdf_op3,"STDF",size, st); | |
1412 size = impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st); | |
1413 } | |
1414 | |
1415 // Check for float load | |
1416 if( dst_first_rc == rc_float && src_first_rc == rc_stack ) { | |
1417 int offset = ra_->reg2offset(src_first); | |
1418 // Further check for aligned-adjacent pair, so we can use a double load | |
1419 if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second ) | |
1420 return impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::lddf_op3,"LDDF",size, st); | |
1421 size = impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::ldf_op3 ,"LDF ",size, st); | |
1422 } | |
1423 | |
1424 // -------------------------------------------------------------------- | |
1425 // Check for hi bits still needing moving. Only happens for misaligned | |
1426 // arguments to native calls. | |
1427 if( src_second == dst_second ) | |
1428 return size; // Self copy; no move | |
1429 assert( src_second_rc != rc_bad && dst_second_rc != rc_bad, "src_second & dst_second cannot be Bad" ); | |
1430 | |
1431 #ifndef _LP64 | |
1432 // In the LP64 build, all registers can be moved as aligned/adjacent | |
1433 // pairs, so there's never any need to move the high bits seperately. | |
1434 // The 32-bit builds have to deal with the 32-bit ABI which can force | |
1435 // all sorts of silly alignment problems. | |
1436 | |
1437 // Check for integer reg-reg copy. Hi bits are stuck up in the top | |
1438 // 32-bits of a 64-bit register, but are needed in low bits of another | |
1439 // register (else it's a hi-bits-to-hi-bits copy which should have | |
1440 // happened already as part of a 64-bit move) | |
1441 if( src_second_rc == rc_int && dst_second_rc == rc_int ) { | |
1442 assert( (src_second&1)==1, "its the evil O0/O1 native return case" ); | |
1443 assert( (dst_second&1)==0, "should have moved with 1 64-bit move" ); | |
1444 // Shift src_second down to dst_second's low bits. | |
1445 if( cbuf ) { | |
1446 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_second], Assembler::srlx_op3, Matcher::_regEncode[src_second-1], 0x1020 ); | |
1447 #ifndef PRODUCT | |
1448 } else if( !do_size ) { | |
1449 if( size != 0 ) st->print("\n\t"); | |
1450 st->print("SRLX R_%s,32,R_%s\t! spill: Move high bits down low",OptoReg::regname(src_second-1),OptoReg::regname(dst_second)); | |
1451 #endif | |
1452 } | |
1453 return size+4; | |
1454 } | |
1455 | |
1456 // Check for high word integer store. Must down-shift the hi bits | |
1457 // into a temp register, then fall into the case of storing int bits. | |
1458 if( src_second_rc == rc_int && dst_second_rc == rc_stack && (src_second&1)==1 ) { | |
1459 // Shift src_second down to dst_second's low bits. | |
1460 if( cbuf ) { | |
1461 emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[R_O7_num], Assembler::srlx_op3, Matcher::_regEncode[src_second-1], 0x1020 ); | |
1462 #ifndef PRODUCT | |
1463 } else if( !do_size ) { | |
1464 if( size != 0 ) st->print("\n\t"); | |
1465 st->print("SRLX R_%s,32,R_%s\t! spill: Move high bits down low",OptoReg::regname(src_second-1),OptoReg::regname(R_O7_num)); | |
1466 #endif | |
1467 } | |
1468 size+=4; | |
1469 src_second = OptoReg::Name(R_O7_num); // Not R_O7H_num! | |
1470 } | |
1471 | |
1472 // Check for high word integer load | |
1473 if( dst_second_rc == rc_int && src_second_rc == rc_stack ) | |
1474 return impl_helper(this,cbuf,ra_,do_size,true ,ra_->reg2offset(src_second),dst_second,Assembler::lduw_op3,"LDUW",size, st); | |
1475 | |
1476 // Check for high word integer store | |
1477 if( src_second_rc == rc_int && dst_second_rc == rc_stack ) | |
1478 return impl_helper(this,cbuf,ra_,do_size,false,ra_->reg2offset(dst_second),src_second,Assembler::stw_op3 ,"STW ",size, st); | |
1479 | |
1480 // Check for high word float store | |
1481 if( src_second_rc == rc_float && dst_second_rc == rc_stack ) | |
1482 return impl_helper(this,cbuf,ra_,do_size,false,ra_->reg2offset(dst_second),src_second,Assembler::stf_op3 ,"STF ",size, st); | |
1483 | |
1484 #endif // !_LP64 | |
1485 | |
1486 Unimplemented(); | |
1487 } | |
1488 | |
1489 #ifndef PRODUCT | |
1490 void MachSpillCopyNode::format( PhaseRegAlloc *ra_, outputStream *st ) const { | |
1491 implementation( NULL, ra_, false, st ); | |
1492 } | |
1493 #endif | |
1494 | |
1495 void MachSpillCopyNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { | |
1496 implementation( &cbuf, ra_, false, NULL ); | |
1497 } | |
1498 | |
1499 uint MachSpillCopyNode::size(PhaseRegAlloc *ra_) const { | |
1500 return implementation( NULL, ra_, true, NULL ); | |
1501 } | |
1502 | |
1503 //============================================================================= | |
1504 #ifndef PRODUCT | |
1505 void MachNopNode::format( PhaseRegAlloc *, outputStream *st ) const { | |
1506 st->print("NOP \t# %d bytes pad for loops and calls", 4 * _count); | |
1507 } | |
1508 #endif | |
1509 | |
1510 void MachNopNode::emit(CodeBuffer &cbuf, PhaseRegAlloc * ) const { | |
1511 MacroAssembler _masm(&cbuf); | |
1512 for(int i = 0; i < _count; i += 1) { | |
1513 __ nop(); | |
1514 } | |
1515 } | |
1516 | |
1517 uint MachNopNode::size(PhaseRegAlloc *ra_) const { | |
1518 return 4 * _count; | |
1519 } | |
1520 | |
1521 | |
1522 //============================================================================= | |
1523 #ifndef PRODUCT | |
1524 void BoxLockNode::format( PhaseRegAlloc *ra_, outputStream *st ) const { | |
1525 int offset = ra_->reg2offset(in_RegMask(0).find_first_elem()); | |
1526 int reg = ra_->get_reg_first(this); | |
1527 st->print("LEA [R_SP+#%d+BIAS],%s",offset,Matcher::regName[reg]); | |
1528 } | |
1529 #endif | |
1530 | |
1531 void BoxLockNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { | |
1532 MacroAssembler _masm(&cbuf); | |
1533 int offset = ra_->reg2offset(in_RegMask(0).find_first_elem()) + STACK_BIAS; | |
1534 int reg = ra_->get_encode(this); | |
1535 | |
1536 if (Assembler::is_simm13(offset)) { | |
1537 __ add(SP, offset, reg_to_register_object(reg)); | |
1538 } else { | |
1539 __ set(offset, O7); | |
1540 __ add(SP, O7, reg_to_register_object(reg)); | |
1541 } | |
1542 } | |
1543 | |
1544 uint BoxLockNode::size(PhaseRegAlloc *ra_) const { | |
1545 // BoxLockNode is not a MachNode, so we can't just call MachNode::size(ra_) | |
1546 assert(ra_ == ra_->C->regalloc(), "sanity"); | |
1547 return ra_->C->scratch_emit_size(this); | |
1548 } | |
1549 | |
1550 //============================================================================= | |
1551 | |
1552 // emit call stub, compiled java to interpretor | |
1553 void emit_java_to_interp(CodeBuffer &cbuf ) { | |
1554 | |
1555 // Stub is fixed up when the corresponding call is converted from calling | |
1556 // compiled code to calling interpreted code. | |
1557 // set (empty), G5 | |
1558 // jmp -1 | |
1559 | |
1560 address mark = cbuf.inst_mark(); // get mark within main instrs section | |
1561 | |
1562 MacroAssembler _masm(&cbuf); | |
1563 | |
1564 address base = | |
1565 __ start_a_stub(Compile::MAX_stubs_size); | |
1566 if (base == NULL) return; // CodeBuffer::expand failed | |
1567 | |
1568 // static stub relocation stores the instruction address of the call | |
1569 __ relocate(static_stub_Relocation::spec(mark)); | |
1570 | |
1571 __ set_oop(NULL, reg_to_register_object(Matcher::inline_cache_reg_encode())); | |
1572 | |
1573 __ set_inst_mark(); | |
1574 Address a(G3, (address)-1); | |
1575 __ JUMP(a, 0); | |
1576 | |
1577 __ delayed()->nop(); | |
1578 | |
1579 // Update current stubs pointer and restore code_end. | |
1580 __ end_a_stub(); | |
1581 } | |
1582 | |
1583 // size of call stub, compiled java to interpretor | |
1584 uint size_java_to_interp() { | |
1585 // This doesn't need to be accurate but it must be larger or equal to | |
1586 // the real size of the stub. | |
1587 return (NativeMovConstReg::instruction_size + // sethi/setlo; | |
1588 NativeJump::instruction_size + // sethi; jmp; nop | |
1589 (TraceJumps ? 20 * BytesPerInstWord : 0) ); | |
1590 } | |
1591 // relocation entries for call stub, compiled java to interpretor | |
1592 uint reloc_java_to_interp() { | |
1593 return 10; // 4 in emit_java_to_interp + 1 in Java_Static_Call | |
1594 } | |
1595 | |
1596 | |
1597 //============================================================================= | |
1598 #ifndef PRODUCT | |
1599 void MachUEPNode::format( PhaseRegAlloc *ra_, outputStream *st ) const { | |
1600 st->print_cr("\nUEP:"); | |
1601 #ifdef _LP64 | |
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1602 if (UseCompressedOops) { |
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1603 st->print_cr("\tLDUW [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check - compressed klass"); |
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1604 st->print_cr("\tSLL R_G5,3,R_G5"); |
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1605 st->print_cr("\tADD R_G5,R_G6_heap_base,R_G5"); |
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1606 } else { |
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1607 st->print_cr("\tLDX [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check"); |
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1608 } |
0 | 1609 st->print_cr("\tCMP R_G5,R_G3" ); |
1610 st->print ("\tTne xcc,R_G0+ST_RESERVED_FOR_USER_0+2"); | |
1611 #else // _LP64 | |
1612 st->print_cr("\tLDUW [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check"); | |
1613 st->print_cr("\tCMP R_G5,R_G3" ); | |
1614 st->print ("\tTne icc,R_G0+ST_RESERVED_FOR_USER_0+2"); | |
1615 #endif // _LP64 | |
1616 } | |
1617 #endif | |
1618 | |
1619 void MachUEPNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const { | |
1620 MacroAssembler _masm(&cbuf); | |
1621 Label L; | |
1622 Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode()); | |
1623 Register temp_reg = G3; | |
1624 assert( G5_ic_reg != temp_reg, "conflicting registers" ); | |
1625 | |
1626 // Load klass from reciever | |
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1627 __ load_klass(O0, temp_reg); |
0 | 1628 // Compare against expected klass |
1629 __ cmp(temp_reg, G5_ic_reg); | |
1630 // Branch to miss code, checks xcc or icc depending | |
1631 __ trap(Assembler::notEqual, Assembler::ptr_cc, G0, ST_RESERVED_FOR_USER_0+2); | |
1632 } | |
1633 | |
1634 uint MachUEPNode::size(PhaseRegAlloc *ra_) const { | |
1635 return MachNode::size(ra_); | |
1636 } | |
1637 | |
1638 | |
1639 //============================================================================= | |
1640 | |
1641 uint size_exception_handler() { | |
1642 if (TraceJumps) { | |
1643 return (400); // just a guess | |
1644 } | |
1645 return ( NativeJump::instruction_size ); // sethi;jmp;nop | |
1646 } | |
1647 | |
1648 uint size_deopt_handler() { | |
1649 if (TraceJumps) { | |
1650 return (400); // just a guess | |
1651 } | |
1652 return ( 4+ NativeJump::instruction_size ); // save;sethi;jmp;restore | |
1653 } | |
1654 | |
1655 // Emit exception handler code. | |
1656 int emit_exception_handler(CodeBuffer& cbuf) { | |
1657 Register temp_reg = G3; | |
1658 Address exception_blob(temp_reg, OptoRuntime::exception_blob()->instructions_begin()); | |
1659 MacroAssembler _masm(&cbuf); | |
1660 | |
1661 address base = | |
1662 __ start_a_stub(size_exception_handler()); | |
1663 if (base == NULL) return 0; // CodeBuffer::expand failed | |
1664 | |
1665 int offset = __ offset(); | |
1666 | |
1667 __ JUMP(exception_blob, 0); // sethi;jmp | |
1668 __ delayed()->nop(); | |
1669 | |
1670 assert(__ offset() - offset <= (int) size_exception_handler(), "overflow"); | |
1671 | |
1672 __ end_a_stub(); | |
1673 | |
1674 return offset; | |
1675 } | |
1676 | |
1677 int emit_deopt_handler(CodeBuffer& cbuf) { | |
1678 // Can't use any of the current frame's registers as we may have deopted | |
1679 // at a poll and everything (including G3) can be live. | |
1680 Register temp_reg = L0; | |
1681 Address deopt_blob(temp_reg, SharedRuntime::deopt_blob()->unpack()); | |
1682 MacroAssembler _masm(&cbuf); | |
1683 | |
1684 address base = | |
1685 __ start_a_stub(size_deopt_handler()); | |
1686 if (base == NULL) return 0; // CodeBuffer::expand failed | |
1687 | |
1688 int offset = __ offset(); | |
1689 __ save_frame(0); | |
1690 __ JUMP(deopt_blob, 0); // sethi;jmp | |
1691 __ delayed()->restore(); | |
1692 | |
1693 assert(__ offset() - offset <= (int) size_deopt_handler(), "overflow"); | |
1694 | |
1695 __ end_a_stub(); | |
1696 return offset; | |
1697 | |
1698 } | |
1699 | |
1700 // Given a register encoding, produce a Integer Register object | |
1701 static Register reg_to_register_object(int register_encoding) { | |
1702 assert(L5->encoding() == R_L5_enc && G1->encoding() == R_G1_enc, "right coding"); | |
1703 return as_Register(register_encoding); | |
1704 } | |
1705 | |
1706 // Given a register encoding, produce a single-precision Float Register object | |
1707 static FloatRegister reg_to_SingleFloatRegister_object(int register_encoding) { | |
1708 assert(F5->encoding(FloatRegisterImpl::S) == R_F5_enc && F12->encoding(FloatRegisterImpl::S) == R_F12_enc, "right coding"); | |
1709 return as_SingleFloatRegister(register_encoding); | |
1710 } | |
1711 | |
1712 // Given a register encoding, produce a double-precision Float Register object | |
1713 static FloatRegister reg_to_DoubleFloatRegister_object(int register_encoding) { | |
1714 assert(F4->encoding(FloatRegisterImpl::D) == R_F4_enc, "right coding"); | |
1715 assert(F32->encoding(FloatRegisterImpl::D) == R_D32_enc, "right coding"); | |
1716 return as_DoubleFloatRegister(register_encoding); | |
1717 } | |
1718 | |
1719 int Matcher::regnum_to_fpu_offset(int regnum) { | |
1720 return regnum - 32; // The FP registers are in the second chunk | |
1721 } | |
1722 | |
1723 #ifdef ASSERT | |
1724 address last_rethrow = NULL; // debugging aid for Rethrow encoding | |
1725 #endif | |
1726 | |
1727 // Vector width in bytes | |
1728 const uint Matcher::vector_width_in_bytes(void) { | |
1729 return 8; | |
1730 } | |
1731 | |
1732 // Vector ideal reg | |
1733 const uint Matcher::vector_ideal_reg(void) { | |
1734 return Op_RegD; | |
1735 } | |
1736 | |
1737 // USII supports fxtof through the whole range of number, USIII doesn't | |
1738 const bool Matcher::convL2FSupported(void) { | |
1739 return VM_Version::has_fast_fxtof(); | |
1740 } | |
1741 | |
1742 // Is this branch offset short enough that a short branch can be used? | |
1743 // | |
1744 // NOTE: If the platform does not provide any short branch variants, then | |
1745 // this method should return false for offset 0. | |
1746 bool Matcher::is_short_branch_offset(int offset) { | |
1747 return false; | |
1748 } | |
1749 | |
1750 const bool Matcher::isSimpleConstant64(jlong value) { | |
1751 // Will one (StoreL ConL) be cheaper than two (StoreI ConI)?. | |
1752 // Depends on optimizations in MacroAssembler::setx. | |
1753 int hi = (int)(value >> 32); | |
1754 int lo = (int)(value & ~0); | |
1755 return (hi == 0) || (hi == -1) || (lo == 0); | |
1756 } | |
1757 | |
1758 // No scaling for the parameter the ClearArray node. | |
1759 const bool Matcher::init_array_count_is_in_bytes = true; | |
1760 | |
1761 // Threshold size for cleararray. | |
1762 const int Matcher::init_array_short_size = 8 * BytesPerLong; | |
1763 | |
1764 // Should the Matcher clone shifts on addressing modes, expecting them to | |
1765 // be subsumed into complex addressing expressions or compute them into | |
1766 // registers? True for Intel but false for most RISCs | |
1767 const bool Matcher::clone_shift_expressions = false; | |
1768 | |
1769 // Is it better to copy float constants, or load them directly from memory? | |
1770 // Intel can load a float constant from a direct address, requiring no | |
1771 // extra registers. Most RISCs will have to materialize an address into a | |
1772 // register first, so they would do better to copy the constant from stack. | |
1773 const bool Matcher::rematerialize_float_constants = false; | |
1774 | |
1775 // If CPU can load and store mis-aligned doubles directly then no fixup is | |
1776 // needed. Else we split the double into 2 integer pieces and move it | |
1777 // piece-by-piece. Only happens when passing doubles into C code as the | |
1778 // Java calling convention forces doubles to be aligned. | |
1779 #ifdef _LP64 | |
1780 const bool Matcher::misaligned_doubles_ok = true; | |
1781 #else | |
1782 const bool Matcher::misaligned_doubles_ok = false; | |
1783 #endif | |
1784 | |
1785 // No-op on SPARC. | |
1786 void Matcher::pd_implicit_null_fixup(MachNode *node, uint idx) { | |
1787 } | |
1788 | |
1789 // Advertise here if the CPU requires explicit rounding operations | |
1790 // to implement the UseStrictFP mode. | |
1791 const bool Matcher::strict_fp_requires_explicit_rounding = false; | |
1792 | |
1793 // Do floats take an entire double register or just half? | |
1794 const bool Matcher::float_in_double = false; | |
1795 | |
1796 // Do ints take an entire long register or just half? | |
1797 // Note that we if-def off of _LP64. | |
1798 // The relevant question is how the int is callee-saved. In _LP64 | |
1799 // the whole long is written but de-opt'ing will have to extract | |
1800 // the relevant 32 bits, in not-_LP64 only the low 32 bits is written. | |
1801 #ifdef _LP64 | |
1802 const bool Matcher::int_in_long = true; | |
1803 #else | |
1804 const bool Matcher::int_in_long = false; | |
1805 #endif | |
1806 | |
1807 // Return whether or not this register is ever used as an argument. This | |
1808 // function is used on startup to build the trampoline stubs in generateOptoStub. | |
1809 // Registers not mentioned will be killed by the VM call in the trampoline, and | |
1810 // arguments in those registers not be available to the callee. | |
1811 bool Matcher::can_be_java_arg( int reg ) { | |
1812 // Standard sparc 6 args in registers | |
1813 if( reg == R_I0_num || | |
1814 reg == R_I1_num || | |
1815 reg == R_I2_num || | |
1816 reg == R_I3_num || | |
1817 reg == R_I4_num || | |
1818 reg == R_I5_num ) return true; | |
1819 #ifdef _LP64 | |
1820 // 64-bit builds can pass 64-bit pointers and longs in | |
1821 // the high I registers | |
1822 if( reg == R_I0H_num || | |
1823 reg == R_I1H_num || | |
1824 reg == R_I2H_num || | |
1825 reg == R_I3H_num || | |
1826 reg == R_I4H_num || | |
1827 reg == R_I5H_num ) return true; | |
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1828 |
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1829 if ((UseCompressedOops) && (reg == R_G6_num || reg == R_G6H_num)) { |
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1830 return true; |
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1831 } |
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1832 |
0 | 1833 #else |
1834 // 32-bit builds with longs-in-one-entry pass longs in G1 & G4. | |
1835 // Longs cannot be passed in O regs, because O regs become I regs | |
1836 // after a 'save' and I regs get their high bits chopped off on | |
1837 // interrupt. | |
1838 if( reg == R_G1H_num || reg == R_G1_num ) return true; | |
1839 if( reg == R_G4H_num || reg == R_G4_num ) return true; | |
1840 #endif | |
1841 // A few float args in registers | |
1842 if( reg >= R_F0_num && reg <= R_F7_num ) return true; | |
1843 | |
1844 return false; | |
1845 } | |
1846 | |
1847 bool Matcher::is_spillable_arg( int reg ) { | |
1848 return can_be_java_arg(reg); | |
1849 } | |
1850 | |
1851 // Register for DIVI projection of divmodI | |
1852 RegMask Matcher::divI_proj_mask() { | |
1853 ShouldNotReachHere(); | |
1854 return RegMask(); | |
1855 } | |
1856 | |
1857 // Register for MODI projection of divmodI | |
1858 RegMask Matcher::modI_proj_mask() { | |
1859 ShouldNotReachHere(); | |
1860 return RegMask(); | |
1861 } | |
1862 | |
1863 // Register for DIVL projection of divmodL | |
1864 RegMask Matcher::divL_proj_mask() { | |
1865 ShouldNotReachHere(); | |
1866 return RegMask(); | |
1867 } | |
1868 | |
1869 // Register for MODL projection of divmodL | |
1870 RegMask Matcher::modL_proj_mask() { | |
1871 ShouldNotReachHere(); | |
1872 return RegMask(); | |
1873 } | |
1874 | |
1875 %} | |
1876 | |
1877 | |
1878 // The intptr_t operand types, defined by textual substitution. | |
1879 // (Cf. opto/type.hpp. This lets us avoid many, many other ifdefs.) | |
1880 #ifdef _LP64 | |
1881 #define immX immL | |
1882 #define immX13 immL13 | |
1883 #define iRegX iRegL | |
1884 #define g1RegX g1RegL | |
1885 #else | |
1886 #define immX immI | |
1887 #define immX13 immI13 | |
1888 #define iRegX iRegI | |
1889 #define g1RegX g1RegI | |
1890 #endif | |
1891 | |
1892 //----------ENCODING BLOCK----------------------------------------------------- | |
1893 // This block specifies the encoding classes used by the compiler to output | |
1894 // byte streams. Encoding classes are parameterized macros used by | |
1895 // Machine Instruction Nodes in order to generate the bit encoding of the | |
1896 // instruction. Operands specify their base encoding interface with the | |
1897 // interface keyword. There are currently supported four interfaces, | |
1898 // REG_INTER, CONST_INTER, MEMORY_INTER, & COND_INTER. REG_INTER causes an | |
1899 // operand to generate a function which returns its register number when | |
1900 // queried. CONST_INTER causes an operand to generate a function which | |
1901 // returns the value of the constant when queried. MEMORY_INTER causes an | |
1902 // operand to generate four functions which return the Base Register, the | |
1903 // Index Register, the Scale Value, and the Offset Value of the operand when | |
1904 // queried. COND_INTER causes an operand to generate six functions which | |
1905 // return the encoding code (ie - encoding bits for the instruction) | |
1906 // associated with each basic boolean condition for a conditional instruction. | |
1907 // | |
1908 // Instructions specify two basic values for encoding. Again, a function | |
1909 // is available to check if the constant displacement is an oop. They use the | |
1910 // ins_encode keyword to specify their encoding classes (which must be | |
1911 // a sequence of enc_class names, and their parameters, specified in | |
1912 // the encoding block), and they use the | |
1913 // opcode keyword to specify, in order, their primary, secondary, and | |
1914 // tertiary opcode. Only the opcode sections which a particular instruction | |
1915 // needs for encoding need to be specified. | |
1916 encode %{ | |
1917 enc_class enc_untested %{ | |
1918 #ifdef ASSERT | |
1919 MacroAssembler _masm(&cbuf); | |
1920 __ untested("encoding"); | |
1921 #endif | |
1922 %} | |
1923 | |
1924 enc_class form3_mem_reg( memory mem, iRegI dst ) %{ | |
1925 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, | |
1926 $mem$$base, $mem$$disp, $mem$$index, $dst$$reg); | |
1927 %} | |
1928 | |
1929 enc_class form3_mem_reg_little( memory mem, iRegI dst) %{ | |
1930 emit_form3_mem_reg_asi(cbuf, this, $primary, $tertiary, | |
1931 $mem$$base, $mem$$disp, $mem$$index, $dst$$reg, Assembler::ASI_PRIMARY_LITTLE); | |
1932 %} | |
1933 | |
1934 enc_class form3_mem_prefetch_read( memory mem ) %{ | |
1935 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, | |
1936 $mem$$base, $mem$$disp, $mem$$index, 0/*prefetch function many-reads*/); | |
1937 %} | |
1938 | |
1939 enc_class form3_mem_prefetch_write( memory mem ) %{ | |
1940 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, | |
1941 $mem$$base, $mem$$disp, $mem$$index, 2/*prefetch function many-writes*/); | |
1942 %} | |
1943 | |
1944 enc_class form3_mem_reg_long_unaligned_marshal( memory mem, iRegL reg ) %{ | |
1945 assert( Assembler::is_simm13($mem$$disp ), "need disp and disp+4" ); | |
1946 assert( Assembler::is_simm13($mem$$disp+4), "need disp and disp+4" ); | |
1947 guarantee($mem$$index == R_G0_enc, "double index?"); | |
1948 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp+4, R_G0_enc, R_O7_enc ); | |
1949 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp, R_G0_enc, $reg$$reg ); | |
1950 emit3_simm13( cbuf, Assembler::arith_op, $reg$$reg, Assembler::sllx_op3, $reg$$reg, 0x1020 ); | |
1951 emit3( cbuf, Assembler::arith_op, $reg$$reg, Assembler::or_op3, $reg$$reg, 0, R_O7_enc ); | |
1952 %} | |
1953 | |
1954 enc_class form3_mem_reg_double_unaligned( memory mem, RegD_low reg ) %{ | |
1955 assert( Assembler::is_simm13($mem$$disp ), "need disp and disp+4" ); | |
1956 assert( Assembler::is_simm13($mem$$disp+4), "need disp and disp+4" ); | |
1957 guarantee($mem$$index == R_G0_enc, "double index?"); | |
1958 // Load long with 2 instructions | |
1959 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp, R_G0_enc, $reg$$reg+0 ); | |
1960 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp+4, R_G0_enc, $reg$$reg+1 ); | |
1961 %} | |
1962 | |
1963 //%%% form3_mem_plus_4_reg is a hack--get rid of it | |
1964 enc_class form3_mem_plus_4_reg( memory mem, iRegI dst ) %{ | |
1965 guarantee($mem$$disp, "cannot offset a reg-reg operand by 4"); | |
1966 emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp + 4, $mem$$index, $dst$$reg); | |
1967 %} | |
1968 | |
1969 enc_class form3_g0_rs2_rd_move( iRegI rs2, iRegI rd ) %{ | |
1970 // Encode a reg-reg copy. If it is useless, then empty encoding. | |
1971 if( $rs2$$reg != $rd$$reg ) | |
1972 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, $rs2$$reg ); | |
1973 %} | |
1974 | |
1975 // Target lo half of long | |
1976 enc_class form3_g0_rs2_rd_move_lo( iRegI rs2, iRegL rd ) %{ | |
1977 // Encode a reg-reg copy. If it is useless, then empty encoding. | |
1978 if( $rs2$$reg != LONG_LO_REG($rd$$reg) ) | |
1979 emit3( cbuf, Assembler::arith_op, LONG_LO_REG($rd$$reg), Assembler::or_op3, 0, 0, $rs2$$reg ); | |
1980 %} | |
1981 | |
1982 // Source lo half of long | |
1983 enc_class form3_g0_rs2_rd_move_lo2( iRegL rs2, iRegI rd ) %{ | |
1984 // Encode a reg-reg copy. If it is useless, then empty encoding. | |
1985 if( LONG_LO_REG($rs2$$reg) != $rd$$reg ) | |
1986 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, LONG_LO_REG($rs2$$reg) ); | |
1987 %} | |
1988 | |
1989 // Target hi half of long | |
1990 enc_class form3_rs1_rd_copysign_hi( iRegI rs1, iRegL rd ) %{ | |
1991 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::sra_op3, $rs1$$reg, 31 ); | |
1992 %} | |
1993 | |
1994 // Source lo half of long, and leave it sign extended. | |
1995 enc_class form3_rs1_rd_signextend_lo1( iRegL rs1, iRegI rd ) %{ | |
1996 // Sign extend low half | |
1997 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::sra_op3, $rs1$$reg, 0, 0 ); | |
1998 %} | |
1999 | |
2000 // Source hi half of long, and leave it sign extended. | |
2001 enc_class form3_rs1_rd_copy_hi1( iRegL rs1, iRegI rd ) %{ | |
2002 // Shift high half to low half | |
2003 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::srlx_op3, $rs1$$reg, 32 ); | |
2004 %} | |
2005 | |
2006 // Source hi half of long | |
2007 enc_class form3_g0_rs2_rd_move_hi2( iRegL rs2, iRegI rd ) %{ | |
2008 // Encode a reg-reg copy. If it is useless, then empty encoding. | |
2009 if( LONG_HI_REG($rs2$$reg) != $rd$$reg ) | |
2010 emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, LONG_HI_REG($rs2$$reg) ); | |
2011 %} | |
2012 | |
2013 enc_class form3_rs1_rs2_rd( iRegI rs1, iRegI rs2, iRegI rd ) %{ | |
2014 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, 0, $rs2$$reg ); | |
2015 %} | |
2016 | |
2017 enc_class enc_to_bool( iRegI src, iRegI dst ) %{ | |
2018 emit3 ( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, 0, 0, $src$$reg ); | |
2019 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::addc_op3 , 0, 0 ); | |
2020 %} | |
2021 | |
2022 enc_class enc_ltmask( iRegI p, iRegI q, iRegI dst ) %{ | |
2023 emit3 ( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, $p$$reg, 0, $q$$reg ); | |
2024 // clear if nothing else is happening | |
2025 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, 0 ); | |
2026 // blt,a,pn done | |
2027 emit2_19 ( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::less, Assembler::bp_op2, Assembler::icc, 0/*predict not taken*/, 2 ); | |
2028 // mov dst,-1 in delay slot | |
2029 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, -1 ); | |
2030 %} | |
2031 | |
2032 enc_class form3_rs1_imm5_rd( iRegI rs1, immU5 imm5, iRegI rd ) %{ | |
2033 emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $imm5$$constant & 0x1F ); | |
2034 %} | |
2035 | |
2036 enc_class form3_sd_rs1_imm6_rd( iRegL rs1, immU6 imm6, iRegL rd ) %{ | |
2037 emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, ($imm6$$constant & 0x3F) | 0x1000 ); | |
2038 %} | |
2039 | |
2040 enc_class form3_sd_rs1_rs2_rd( iRegL rs1, iRegI rs2, iRegL rd ) %{ | |
2041 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, 0x80, $rs2$$reg ); | |
2042 %} | |
2043 | |
2044 enc_class form3_rs1_simm13_rd( iRegI rs1, immI13 simm13, iRegI rd ) %{ | |
2045 emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $simm13$$constant ); | |
2046 %} | |
2047 | |
2048 enc_class move_return_pc_to_o1() %{ | |
2049 emit3_simm13( cbuf, Assembler::arith_op, R_O1_enc, Assembler::add_op3, R_O7_enc, frame::pc_return_offset ); | |
2050 %} | |
2051 | |
2052 #ifdef _LP64 | |
2053 /* %%% merge with enc_to_bool */ | |
2054 enc_class enc_convP2B( iRegI dst, iRegP src ) %{ | |
2055 MacroAssembler _masm(&cbuf); | |
2056 | |
2057 Register src_reg = reg_to_register_object($src$$reg); | |
2058 Register dst_reg = reg_to_register_object($dst$$reg); | |
2059 __ movr(Assembler::rc_nz, src_reg, 1, dst_reg); | |
2060 %} | |
2061 #endif | |
2062 | |
2063 enc_class enc_cadd_cmpLTMask( iRegI p, iRegI q, iRegI y, iRegI tmp ) %{ | |
2064 // (Set p (AddI (AndI (CmpLTMask p q) y) (SubI p q))) | |
2065 MacroAssembler _masm(&cbuf); | |
2066 | |
2067 Register p_reg = reg_to_register_object($p$$reg); | |
2068 Register q_reg = reg_to_register_object($q$$reg); | |
2069 Register y_reg = reg_to_register_object($y$$reg); | |
2070 Register tmp_reg = reg_to_register_object($tmp$$reg); | |
2071 | |
2072 __ subcc( p_reg, q_reg, p_reg ); | |
2073 __ add ( p_reg, y_reg, tmp_reg ); | |
2074 __ movcc( Assembler::less, false, Assembler::icc, tmp_reg, p_reg ); | |
2075 %} | |
2076 | |
2077 enc_class form_d2i_helper(regD src, regF dst) %{ | |
2078 // fcmp %fcc0,$src,$src | |
2079 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmpd_opf, $src$$reg ); | |
2080 // branch %fcc0 not-nan, predict taken | |
2081 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 ); | |
2082 // fdtoi $src,$dst | |
2083 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fdtoi_opf, $src$$reg ); | |
2084 // fitos $dst,$dst (if nan) | |
2085 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fitos_opf, $dst$$reg ); | |
2086 // clear $dst (if nan) | |
2087 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubs_opf, $dst$$reg ); | |
2088 // carry on here... | |
2089 %} | |
2090 | |
2091 enc_class form_d2l_helper(regD src, regD dst) %{ | |
2092 // fcmp %fcc0,$src,$src check for NAN | |
2093 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmpd_opf, $src$$reg ); | |
2094 // branch %fcc0 not-nan, predict taken | |
2095 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 ); | |
2096 // fdtox $src,$dst convert in delay slot | |
2097 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fdtox_opf, $src$$reg ); | |
2098 // fxtod $dst,$dst (if nan) | |
2099 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fxtod_opf, $dst$$reg ); | |
2100 // clear $dst (if nan) | |
2101 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubd_opf, $dst$$reg ); | |
2102 // carry on here... | |
2103 %} | |
2104 | |
2105 enc_class form_f2i_helper(regF src, regF dst) %{ | |
2106 // fcmps %fcc0,$src,$src | |
2107 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmps_opf, $src$$reg ); | |
2108 // branch %fcc0 not-nan, predict taken | |
2109 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 ); | |
2110 // fstoi $src,$dst | |
2111 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fstoi_opf, $src$$reg ); | |
2112 // fitos $dst,$dst (if nan) | |
2113 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fitos_opf, $dst$$reg ); | |
2114 // clear $dst (if nan) | |
2115 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubs_opf, $dst$$reg ); | |
2116 // carry on here... | |
2117 %} | |
2118 | |
2119 enc_class form_f2l_helper(regF src, regD dst) %{ | |
2120 // fcmps %fcc0,$src,$src | |
2121 emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmps_opf, $src$$reg ); | |
2122 // branch %fcc0 not-nan, predict taken | |
2123 emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 ); | |
2124 // fstox $src,$dst | |
2125 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fstox_opf, $src$$reg ); | |
2126 // fxtod $dst,$dst (if nan) | |
2127 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, 0, Assembler::fxtod_opf, $dst$$reg ); | |
2128 // clear $dst (if nan) | |
2129 emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubd_opf, $dst$$reg ); | |
2130 // carry on here... | |
2131 %} | |
2132 | |
2133 enc_class form3_opf_rs2F_rdF(regF rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %} | |
2134 enc_class form3_opf_rs2F_rdD(regF rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %} | |
2135 enc_class form3_opf_rs2D_rdF(regD rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %} | |
2136 enc_class form3_opf_rs2D_rdD(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %} | |
2137 | |
2138 enc_class form3_opf_rs2D_lo_rdF(regD rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg+1); %} | |
2139 | |
2140 enc_class form3_opf_rs2D_hi_rdD_hi(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %} | |
2141 enc_class form3_opf_rs2D_lo_rdD_lo(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg+1,$primary,0,$tertiary,$rs2$$reg+1); %} | |
2142 | |
2143 enc_class form3_opf_rs1F_rs2F_rdF( regF rs1, regF rs2, regF rd ) %{ | |
2144 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg ); | |
2145 %} | |
2146 | |
2147 enc_class form3_opf_rs1D_rs2D_rdD( regD rs1, regD rs2, regD rd ) %{ | |
2148 emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg ); | |
2149 %} | |
2150 | |
2151 enc_class form3_opf_rs1F_rs2F_fcc( regF rs1, regF rs2, flagsRegF fcc ) %{ | |
2152 emit3( cbuf, $secondary, $fcc$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg ); | |
2153 %} | |
2154 | |
2155 enc_class form3_opf_rs1D_rs2D_fcc( regD rs1, regD rs2, flagsRegF fcc ) %{ | |
2156 emit3( cbuf, $secondary, $fcc$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg ); | |
2157 %} | |
2158 | |
2159 enc_class form3_convI2F(regF rs2, regF rd) %{ | |
2160 emit3(cbuf,Assembler::arith_op,$rd$$reg,Assembler::fpop1_op3,0,$secondary,$rs2$$reg); | |
2161 %} | |
2162 | |
2163 // Encloding class for traceable jumps | |
2164 enc_class form_jmpl(g3RegP dest) %{ | |
2165 emit_jmpl(cbuf, $dest$$reg); | |
2166 %} | |
2167 | |
2168 enc_class form_jmpl_set_exception_pc(g1RegP dest) %{ | |
2169 emit_jmpl_set_exception_pc(cbuf, $dest$$reg); | |
2170 %} | |
2171 | |
2172 enc_class form2_nop() %{ | |
2173 emit_nop(cbuf); | |
2174 %} | |
2175 | |
2176 enc_class form2_illtrap() %{ | |
2177 emit_illtrap(cbuf); | |
2178 %} | |
2179 | |
2180 | |
2181 // Compare longs and convert into -1, 0, 1. | |
2182 enc_class cmpl_flag( iRegL src1, iRegL src2, iRegI dst ) %{ | |
2183 // CMP $src1,$src2 | |
2184 emit3( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, $src1$$reg, 0, $src2$$reg ); | |
2185 // blt,a,pn done | |
2186 emit2_19( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::less , Assembler::bp_op2, Assembler::xcc, 0/*predict not taken*/, 5 ); | |
2187 // mov dst,-1 in delay slot | |
2188 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, -1 ); | |
2189 // bgt,a,pn done | |
2190 emit2_19( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::greater, Assembler::bp_op2, Assembler::xcc, 0/*predict not taken*/, 3 ); | |
2191 // mov dst,1 in delay slot | |
2192 emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, 1 ); | |
2193 // CLR $dst | |
2194 emit3( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3 , 0, 0, 0 ); | |
2195 %} | |
2196 | |
2197 enc_class enc_PartialSubtypeCheck() %{ | |
2198 MacroAssembler _masm(&cbuf); | |
2199 __ call(StubRoutines::Sparc::partial_subtype_check(), relocInfo::runtime_call_type); | |
2200 __ delayed()->nop(); | |
2201 %} | |
2202 | |
2203 enc_class enc_bp( Label labl, cmpOp cmp, flagsReg cc ) %{ | |
2204 MacroAssembler _masm(&cbuf); | |
2205 Label &L = *($labl$$label); | |
2206 Assembler::Predict predict_taken = | |
2207 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn; | |
2208 | |
2209 __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::icc, predict_taken, L); | |
2210 __ delayed()->nop(); | |
2211 %} | |
2212 | |
2213 enc_class enc_bpl( Label labl, cmpOp cmp, flagsRegL cc ) %{ | |
2214 MacroAssembler _masm(&cbuf); | |
2215 Label &L = *($labl$$label); | |
2216 Assembler::Predict predict_taken = | |
2217 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn; | |
2218 | |
2219 __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::xcc, predict_taken, L); | |
2220 __ delayed()->nop(); | |
2221 %} | |
2222 | |
2223 enc_class enc_bpx( Label labl, cmpOp cmp, flagsRegP cc ) %{ | |
2224 MacroAssembler _masm(&cbuf); | |
2225 Label &L = *($labl$$label); | |
2226 Assembler::Predict predict_taken = | |
2227 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn; | |
2228 | |
2229 __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::ptr_cc, predict_taken, L); | |
2230 __ delayed()->nop(); | |
2231 %} | |
2232 | |
2233 enc_class enc_fbp( Label labl, cmpOpF cmp, flagsRegF cc ) %{ | |
2234 MacroAssembler _masm(&cbuf); | |
2235 Label &L = *($labl$$label); | |
2236 Assembler::Predict predict_taken = | |
2237 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn; | |
2238 | |
2239 __ fbp( (Assembler::Condition)($cmp$$cmpcode), false, (Assembler::CC)($cc$$reg), predict_taken, L); | |
2240 __ delayed()->nop(); | |
2241 %} | |
2242 | |
2243 enc_class jump_enc( iRegX switch_val, o7RegI table) %{ | |
2244 MacroAssembler _masm(&cbuf); | |
2245 | |
2246 Register switch_reg = as_Register($switch_val$$reg); | |
2247 Register table_reg = O7; | |
2248 | |
2249 address table_base = __ address_table_constant(_index2label); | |
2250 RelocationHolder rspec = internal_word_Relocation::spec(table_base); | |
2251 | |
2252 // Load table address | |
2253 Address the_pc(table_reg, table_base, rspec); | |
2254 __ load_address(the_pc); | |
2255 | |
2256 // Jump to base address + switch value | |
2257 __ ld_ptr(table_reg, switch_reg, table_reg); | |
2258 __ jmp(table_reg, G0); | |
2259 __ delayed()->nop(); | |
2260 | |
2261 %} | |
2262 | |
2263 enc_class enc_ba( Label labl ) %{ | |
2264 MacroAssembler _masm(&cbuf); | |
2265 Label &L = *($labl$$label); | |
2266 __ ba(false, L); | |
2267 __ delayed()->nop(); | |
2268 %} | |
2269 | |
2270 enc_class enc_bpr( Label labl, cmpOp_reg cmp, iRegI op1 ) %{ | |
2271 MacroAssembler _masm(&cbuf); | |
2272 Label &L = *$labl$$label; | |
2273 Assembler::Predict predict_taken = | |
2274 cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn; | |
2275 | |
2276 __ bpr( (Assembler::RCondition)($cmp$$cmpcode), false, predict_taken, as_Register($op1$$reg), L); | |
2277 __ delayed()->nop(); | |
2278 %} | |
2279 | |
2280 enc_class enc_cmov_reg( cmpOp cmp, iRegI dst, iRegI src, immI pcc) %{ | |
2281 int op = (Assembler::arith_op << 30) | | |
2282 ($dst$$reg << 25) | | |
2283 (Assembler::movcc_op3 << 19) | | |
2284 (1 << 18) | // cc2 bit for 'icc' | |
2285 ($cmp$$cmpcode << 14) | | |
2286 (0 << 13) | // select register move | |
2287 ($pcc$$constant << 11) | // cc1, cc0 bits for 'icc' or 'xcc' | |
2288 ($src$$reg << 0); | |
2289 *((int*)(cbuf.code_end())) = op; | |
2290 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2291 %} | |
2292 | |
2293 enc_class enc_cmov_imm( cmpOp cmp, iRegI dst, immI11 src, immI pcc ) %{ | |
2294 int simm11 = $src$$constant & ((1<<11)-1); // Mask to 11 bits | |
2295 int op = (Assembler::arith_op << 30) | | |
2296 ($dst$$reg << 25) | | |
2297 (Assembler::movcc_op3 << 19) | | |
2298 (1 << 18) | // cc2 bit for 'icc' | |
2299 ($cmp$$cmpcode << 14) | | |
2300 (1 << 13) | // select immediate move | |
2301 ($pcc$$constant << 11) | // cc1, cc0 bits for 'icc' | |
2302 (simm11 << 0); | |
2303 *((int*)(cbuf.code_end())) = op; | |
2304 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2305 %} | |
2306 | |
2307 enc_class enc_cmov_reg_f( cmpOpF cmp, iRegI dst, iRegI src, flagsRegF fcc ) %{ | |
2308 int op = (Assembler::arith_op << 30) | | |
2309 ($dst$$reg << 25) | | |
2310 (Assembler::movcc_op3 << 19) | | |
2311 (0 << 18) | // cc2 bit for 'fccX' | |
2312 ($cmp$$cmpcode << 14) | | |
2313 (0 << 13) | // select register move | |
2314 ($fcc$$reg << 11) | // cc1, cc0 bits for fcc0-fcc3 | |
2315 ($src$$reg << 0); | |
2316 *((int*)(cbuf.code_end())) = op; | |
2317 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2318 %} | |
2319 | |
2320 enc_class enc_cmov_imm_f( cmpOp cmp, iRegI dst, immI11 src, flagsRegF fcc ) %{ | |
2321 int simm11 = $src$$constant & ((1<<11)-1); // Mask to 11 bits | |
2322 int op = (Assembler::arith_op << 30) | | |
2323 ($dst$$reg << 25) | | |
2324 (Assembler::movcc_op3 << 19) | | |
2325 (0 << 18) | // cc2 bit for 'fccX' | |
2326 ($cmp$$cmpcode << 14) | | |
2327 (1 << 13) | // select immediate move | |
2328 ($fcc$$reg << 11) | // cc1, cc0 bits for fcc0-fcc3 | |
2329 (simm11 << 0); | |
2330 *((int*)(cbuf.code_end())) = op; | |
2331 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2332 %} | |
2333 | |
2334 enc_class enc_cmovf_reg( cmpOp cmp, regD dst, regD src, immI pcc ) %{ | |
2335 int op = (Assembler::arith_op << 30) | | |
2336 ($dst$$reg << 25) | | |
2337 (Assembler::fpop2_op3 << 19) | | |
2338 (0 << 18) | | |
2339 ($cmp$$cmpcode << 14) | | |
2340 (1 << 13) | // select register move | |
2341 ($pcc$$constant << 11) | // cc1-cc0 bits for 'icc' or 'xcc' | |
2342 ($primary << 5) | // select single, double or quad | |
2343 ($src$$reg << 0); | |
2344 *((int*)(cbuf.code_end())) = op; | |
2345 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2346 %} | |
2347 | |
2348 enc_class enc_cmovff_reg( cmpOpF cmp, flagsRegF fcc, regD dst, regD src ) %{ | |
2349 int op = (Assembler::arith_op << 30) | | |
2350 ($dst$$reg << 25) | | |
2351 (Assembler::fpop2_op3 << 19) | | |
2352 (0 << 18) | | |
2353 ($cmp$$cmpcode << 14) | | |
2354 ($fcc$$reg << 11) | // cc2-cc0 bits for 'fccX' | |
2355 ($primary << 5) | // select single, double or quad | |
2356 ($src$$reg << 0); | |
2357 *((int*)(cbuf.code_end())) = op; | |
2358 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2359 %} | |
2360 | |
2361 // Used by the MIN/MAX encodings. Same as a CMOV, but | |
2362 // the condition comes from opcode-field instead of an argument. | |
2363 enc_class enc_cmov_reg_minmax( iRegI dst, iRegI src ) %{ | |
2364 int op = (Assembler::arith_op << 30) | | |
2365 ($dst$$reg << 25) | | |
2366 (Assembler::movcc_op3 << 19) | | |
2367 (1 << 18) | // cc2 bit for 'icc' | |
2368 ($primary << 14) | | |
2369 (0 << 13) | // select register move | |
2370 (0 << 11) | // cc1, cc0 bits for 'icc' | |
2371 ($src$$reg << 0); | |
2372 *((int*)(cbuf.code_end())) = op; | |
2373 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2374 %} | |
2375 | |
2376 enc_class enc_cmov_reg_minmax_long( iRegL dst, iRegL src ) %{ | |
2377 int op = (Assembler::arith_op << 30) | | |
2378 ($dst$$reg << 25) | | |
2379 (Assembler::movcc_op3 << 19) | | |
2380 (6 << 16) | // cc2 bit for 'xcc' | |
2381 ($primary << 14) | | |
2382 (0 << 13) | // select register move | |
2383 (0 << 11) | // cc1, cc0 bits for 'icc' | |
2384 ($src$$reg << 0); | |
2385 *((int*)(cbuf.code_end())) = op; | |
2386 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
2387 %} | |
2388 | |
2389 // Utility encoding for loading a 64 bit Pointer into a register | |
2390 // The 64 bit pointer is stored in the generated code stream | |
2391 enc_class SetPtr( immP src, iRegP rd ) %{ | |
2392 Register dest = reg_to_register_object($rd$$reg); | |
2393 // [RGV] This next line should be generated from ADLC | |
2394 if ( _opnds[1]->constant_is_oop() ) { | |
2395 intptr_t val = $src$$constant; | |
2396 MacroAssembler _masm(&cbuf); | |
2397 __ set_oop_constant((jobject)val, dest); | |
2398 } else { // non-oop pointers, e.g. card mark base, heap top | |
2399 emit_ptr(cbuf, $src$$constant, dest, /*ForceRelocatable=*/ false); | |
2400 } | |
2401 %} | |
2402 | |
2403 enc_class Set13( immI13 src, iRegI rd ) %{ | |
2404 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, $src$$constant ); | |
2405 %} | |
2406 | |
2407 enc_class SetHi22( immI src, iRegI rd ) %{ | |
2408 emit2_22( cbuf, Assembler::branch_op, $rd$$reg, Assembler::sethi_op2, $src$$constant ); | |
2409 %} | |
2410 | |
2411 enc_class Set32( immI src, iRegI rd ) %{ | |
2412 MacroAssembler _masm(&cbuf); | |
2413 __ set($src$$constant, reg_to_register_object($rd$$reg)); | |
2414 %} | |
2415 | |
2416 enc_class SetNull( iRegI rd ) %{ | |
2417 emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0 ); | |
2418 %} | |
2419 | |
2420 enc_class call_epilog %{ | |
2421 if( VerifyStackAtCalls ) { | |
2422 MacroAssembler _masm(&cbuf); | |
2423 int framesize = ra_->C->frame_slots() << LogBytesPerInt; | |
2424 Register temp_reg = G3; | |
2425 __ add(SP, framesize, temp_reg); | |
2426 __ cmp(temp_reg, FP); | |
2427 __ breakpoint_trap(Assembler::notEqual, Assembler::ptr_cc); | |
2428 } | |
2429 %} | |
2430 | |
2431 // Long values come back from native calls in O0:O1 in the 32-bit VM, copy the value | |
2432 // to G1 so the register allocator will not have to deal with the misaligned register | |
2433 // pair. | |
2434 enc_class adjust_long_from_native_call %{ | |
2435 #ifndef _LP64 | |
2436 if (returns_long()) { | |
2437 // sllx O0,32,O0 | |
2438 emit3_simm13( cbuf, Assembler::arith_op, R_O0_enc, Assembler::sllx_op3, R_O0_enc, 0x1020 ); | |
2439 // srl O1,0,O1 | |
2440 emit3_simm13( cbuf, Assembler::arith_op, R_O1_enc, Assembler::srl_op3, R_O1_enc, 0x0000 ); | |
2441 // or O0,O1,G1 | |
2442 emit3 ( cbuf, Assembler::arith_op, R_G1_enc, Assembler:: or_op3, R_O0_enc, 0, R_O1_enc ); | |
2443 } | |
2444 #endif | |
2445 %} | |
2446 | |
2447 enc_class Java_To_Runtime (method meth) %{ // CALL Java_To_Runtime | |
2448 // CALL directly to the runtime | |
2449 // The user of this is responsible for ensuring that R_L7 is empty (killed). | |
2450 emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type, | |
2451 /*preserve_g2=*/true, /*force far call*/true); | |
2452 %} | |
2453 | |
2454 enc_class Java_Static_Call (method meth) %{ // JAVA STATIC CALL | |
2455 // CALL to fixup routine. Fixup routine uses ScopeDesc info to determine | |
2456 // who we intended to call. | |
2457 if ( !_method ) { | |
2458 emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type); | |
2459 } else if (_optimized_virtual) { | |
2460 emit_call_reloc(cbuf, $meth$$method, relocInfo::opt_virtual_call_type); | |
2461 } else { | |
2462 emit_call_reloc(cbuf, $meth$$method, relocInfo::static_call_type); | |
2463 } | |
2464 if( _method ) { // Emit stub for static call | |
2465 emit_java_to_interp(cbuf); | |
2466 } | |
2467 %} | |
2468 | |
2469 enc_class Java_Dynamic_Call (method meth) %{ // JAVA DYNAMIC CALL | |
2470 MacroAssembler _masm(&cbuf); | |
2471 __ set_inst_mark(); | |
2472 int vtable_index = this->_vtable_index; | |
2473 // MachCallDynamicJavaNode::ret_addr_offset uses this same test | |
2474 if (vtable_index < 0) { | |
2475 // must be invalid_vtable_index, not nonvirtual_vtable_index | |
2476 assert(vtable_index == methodOopDesc::invalid_vtable_index, "correct sentinel value"); | |
2477 Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode()); | |
2478 assert(G5_ic_reg == G5_inline_cache_reg, "G5_inline_cache_reg used in assemble_ic_buffer_code()"); | |
2479 assert(G5_ic_reg == G5_megamorphic_method, "G5_megamorphic_method used in megamorphic call stub"); | |
2480 // !!!!! | |
2481 // Generate "set 0x01, R_G5", placeholder instruction to load oop-info | |
2482 // emit_call_dynamic_prologue( cbuf ); | |
2483 __ set_oop((jobject)Universe::non_oop_word(), G5_ic_reg); | |
2484 | |
2485 address virtual_call_oop_addr = __ inst_mark(); | |
2486 // CALL to fixup routine. Fixup routine uses ScopeDesc info to determine | |
2487 // who we intended to call. | |
2488 __ relocate(virtual_call_Relocation::spec(virtual_call_oop_addr)); | |
2489 emit_call_reloc(cbuf, $meth$$method, relocInfo::none); | |
2490 } else { | |
2491 assert(!UseInlineCaches, "expect vtable calls only if not using ICs"); | |
2492 // Just go thru the vtable | |
2493 // get receiver klass (receiver already checked for non-null) | |
2494 // If we end up going thru a c2i adapter interpreter expects method in G5 | |
2495 int off = __ offset(); | |
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2496 __ load_klass(O0, G3_scratch); |
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2497 int klass_load_size; |
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2498 if (UseCompressedOops) { |
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2499 klass_load_size = 3*BytesPerInstWord; |
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2500 } else { |
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2501 klass_load_size = 1*BytesPerInstWord; |
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2502 } |
0 | 2503 int entry_offset = instanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size(); |
2504 int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes(); | |
2505 if( __ is_simm13(v_off) ) { | |
2506 __ ld_ptr(G3, v_off, G5_method); | |
2507 } else { | |
2508 // Generate 2 instructions | |
2509 __ Assembler::sethi(v_off & ~0x3ff, G5_method); | |
2510 __ or3(G5_method, v_off & 0x3ff, G5_method); | |
2511 // ld_ptr, set_hi, set | |
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2512 assert(__ offset() - off == klass_load_size + 2*BytesPerInstWord, |
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2513 "Unexpected instruction size(s)"); |
0 | 2514 __ ld_ptr(G3, G5_method, G5_method); |
2515 } | |
2516 // NOTE: for vtable dispatches, the vtable entry will never be null. | |
2517 // However it may very well end up in handle_wrong_method if the | |
2518 // method is abstract for the particular class. | |
2519 __ ld_ptr(G5_method, in_bytes(methodOopDesc::from_compiled_offset()), G3_scratch); | |
2520 // jump to target (either compiled code or c2iadapter) | |
2521 __ jmpl(G3_scratch, G0, O7); | |
2522 __ delayed()->nop(); | |
2523 } | |
2524 %} | |
2525 | |
2526 enc_class Java_Compiled_Call (method meth) %{ // JAVA COMPILED CALL | |
2527 MacroAssembler _masm(&cbuf); | |
2528 | |
2529 Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode()); | |
2530 Register temp_reg = G3; // caller must kill G3! We cannot reuse G5_ic_reg here because | |
2531 // we might be calling a C2I adapter which needs it. | |
2532 | |
2533 assert(temp_reg != G5_ic_reg, "conflicting registers"); | |
2534 // Load nmethod | |
2535 __ ld_ptr(G5_ic_reg, in_bytes(methodOopDesc::from_compiled_offset()), temp_reg); | |
2536 | |
2537 // CALL to compiled java, indirect the contents of G3 | |
2538 __ set_inst_mark(); | |
2539 __ callr(temp_reg, G0); | |
2540 __ delayed()->nop(); | |
2541 %} | |
2542 | |
2543 enc_class idiv_reg(iRegIsafe src1, iRegIsafe src2, iRegIsafe dst) %{ | |
2544 MacroAssembler _masm(&cbuf); | |
2545 Register Rdividend = reg_to_register_object($src1$$reg); | |
2546 Register Rdivisor = reg_to_register_object($src2$$reg); | |
2547 Register Rresult = reg_to_register_object($dst$$reg); | |
2548 | |
2549 __ sra(Rdivisor, 0, Rdivisor); | |
2550 __ sra(Rdividend, 0, Rdividend); | |
2551 __ sdivx(Rdividend, Rdivisor, Rresult); | |
2552 %} | |
2553 | |
2554 enc_class idiv_imm(iRegIsafe src1, immI13 imm, iRegIsafe dst) %{ | |
2555 MacroAssembler _masm(&cbuf); | |
2556 | |
2557 Register Rdividend = reg_to_register_object($src1$$reg); | |
2558 int divisor = $imm$$constant; | |
2559 Register Rresult = reg_to_register_object($dst$$reg); | |
2560 | |
2561 __ sra(Rdividend, 0, Rdividend); | |
2562 __ sdivx(Rdividend, divisor, Rresult); | |
2563 %} | |
2564 | |
2565 enc_class enc_mul_hi(iRegIsafe dst, iRegIsafe src1, iRegIsafe src2) %{ | |
2566 MacroAssembler _masm(&cbuf); | |
2567 Register Rsrc1 = reg_to_register_object($src1$$reg); | |
2568 Register Rsrc2 = reg_to_register_object($src2$$reg); | |
2569 Register Rdst = reg_to_register_object($dst$$reg); | |
2570 | |
2571 __ sra( Rsrc1, 0, Rsrc1 ); | |
2572 __ sra( Rsrc2, 0, Rsrc2 ); | |
2573 __ mulx( Rsrc1, Rsrc2, Rdst ); | |
2574 __ srlx( Rdst, 32, Rdst ); | |
2575 %} | |
2576 | |
2577 enc_class irem_reg(iRegIsafe src1, iRegIsafe src2, iRegIsafe dst, o7RegL scratch) %{ | |
2578 MacroAssembler _masm(&cbuf); | |
2579 Register Rdividend = reg_to_register_object($src1$$reg); | |
2580 Register Rdivisor = reg_to_register_object($src2$$reg); | |
2581 Register Rresult = reg_to_register_object($dst$$reg); | |
2582 Register Rscratch = reg_to_register_object($scratch$$reg); | |
2583 | |
2584 assert(Rdividend != Rscratch, ""); | |
2585 assert(Rdivisor != Rscratch, ""); | |
2586 | |
2587 __ sra(Rdividend, 0, Rdividend); | |
2588 __ sra(Rdivisor, 0, Rdivisor); | |
2589 __ sdivx(Rdividend, Rdivisor, Rscratch); | |
2590 __ mulx(Rscratch, Rdivisor, Rscratch); | |
2591 __ sub(Rdividend, Rscratch, Rresult); | |
2592 %} | |
2593 | |
2594 enc_class irem_imm(iRegIsafe src1, immI13 imm, iRegIsafe dst, o7RegL scratch) %{ | |
2595 MacroAssembler _masm(&cbuf); | |
2596 | |
2597 Register Rdividend = reg_to_register_object($src1$$reg); | |
2598 int divisor = $imm$$constant; | |
2599 Register Rresult = reg_to_register_object($dst$$reg); | |
2600 Register Rscratch = reg_to_register_object($scratch$$reg); | |
2601 | |
2602 assert(Rdividend != Rscratch, ""); | |
2603 | |
2604 __ sra(Rdividend, 0, Rdividend); | |
2605 __ sdivx(Rdividend, divisor, Rscratch); | |
2606 __ mulx(Rscratch, divisor, Rscratch); | |
2607 __ sub(Rdividend, Rscratch, Rresult); | |
2608 %} | |
2609 | |
2610 enc_class fabss (sflt_reg dst, sflt_reg src) %{ | |
2611 MacroAssembler _masm(&cbuf); | |
2612 | |
2613 FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg); | |
2614 FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg); | |
2615 | |
2616 __ fabs(FloatRegisterImpl::S, Fsrc, Fdst); | |
2617 %} | |
2618 | |
2619 enc_class fabsd (dflt_reg dst, dflt_reg src) %{ | |
2620 MacroAssembler _masm(&cbuf); | |
2621 | |
2622 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg); | |
2623 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg); | |
2624 | |
2625 __ fabs(FloatRegisterImpl::D, Fsrc, Fdst); | |
2626 %} | |
2627 | |
2628 enc_class fnegd (dflt_reg dst, dflt_reg src) %{ | |
2629 MacroAssembler _masm(&cbuf); | |
2630 | |
2631 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg); | |
2632 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg); | |
2633 | |
2634 __ fneg(FloatRegisterImpl::D, Fsrc, Fdst); | |
2635 %} | |
2636 | |
2637 enc_class fsqrts (sflt_reg dst, sflt_reg src) %{ | |
2638 MacroAssembler _masm(&cbuf); | |
2639 | |
2640 FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg); | |
2641 FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg); | |
2642 | |
2643 __ fsqrt(FloatRegisterImpl::S, Fsrc, Fdst); | |
2644 %} | |
2645 | |
2646 enc_class fsqrtd (dflt_reg dst, dflt_reg src) %{ | |
2647 MacroAssembler _masm(&cbuf); | |
2648 | |
2649 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg); | |
2650 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg); | |
2651 | |
2652 __ fsqrt(FloatRegisterImpl::D, Fsrc, Fdst); | |
2653 %} | |
2654 | |
2655 enc_class fmovs (dflt_reg dst, dflt_reg src) %{ | |
2656 MacroAssembler _masm(&cbuf); | |
2657 | |
2658 FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg); | |
2659 FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg); | |
2660 | |
2661 __ fmov(FloatRegisterImpl::S, Fsrc, Fdst); | |
2662 %} | |
2663 | |
2664 enc_class fmovd (dflt_reg dst, dflt_reg src) %{ | |
2665 MacroAssembler _masm(&cbuf); | |
2666 | |
2667 FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg); | |
2668 FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg); | |
2669 | |
2670 __ fmov(FloatRegisterImpl::D, Fsrc, Fdst); | |
2671 %} | |
2672 | |
2673 enc_class Fast_Lock(iRegP oop, iRegP box, o7RegP scratch, iRegP scratch2) %{ | |
2674 MacroAssembler _masm(&cbuf); | |
2675 | |
2676 Register Roop = reg_to_register_object($oop$$reg); | |
2677 Register Rbox = reg_to_register_object($box$$reg); | |
2678 Register Rscratch = reg_to_register_object($scratch$$reg); | |
2679 Register Rmark = reg_to_register_object($scratch2$$reg); | |
2680 | |
2681 assert(Roop != Rscratch, ""); | |
2682 assert(Roop != Rmark, ""); | |
2683 assert(Rbox != Rscratch, ""); | |
2684 assert(Rbox != Rmark, ""); | |
2685 | |
2686 __ compiler_lock_object(Roop, Rmark, Rbox, Rscratch, _counters); | |
2687 %} | |
2688 | |
2689 enc_class Fast_Unlock(iRegP oop, iRegP box, o7RegP scratch, iRegP scratch2) %{ | |
2690 MacroAssembler _masm(&cbuf); | |
2691 | |
2692 Register Roop = reg_to_register_object($oop$$reg); | |
2693 Register Rbox = reg_to_register_object($box$$reg); | |
2694 Register Rscratch = reg_to_register_object($scratch$$reg); | |
2695 Register Rmark = reg_to_register_object($scratch2$$reg); | |
2696 | |
2697 assert(Roop != Rscratch, ""); | |
2698 assert(Roop != Rmark, ""); | |
2699 assert(Rbox != Rscratch, ""); | |
2700 assert(Rbox != Rmark, ""); | |
2701 | |
2702 __ compiler_unlock_object(Roop, Rmark, Rbox, Rscratch); | |
2703 %} | |
2704 | |
2705 enc_class enc_cas( iRegP mem, iRegP old, iRegP new ) %{ | |
2706 MacroAssembler _masm(&cbuf); | |
2707 Register Rmem = reg_to_register_object($mem$$reg); | |
2708 Register Rold = reg_to_register_object($old$$reg); | |
2709 Register Rnew = reg_to_register_object($new$$reg); | |
2710 | |
2711 // casx_under_lock picks 1 of 3 encodings: | |
2712 // For 32-bit pointers you get a 32-bit CAS | |
2713 // For 64-bit pointers you get a 64-bit CASX | |
2714 __ casx_under_lock(Rmem, Rold, Rnew, // Swap(*Rmem,Rnew) if *Rmem == Rold | |
2715 (address) StubRoutines::Sparc::atomic_memory_operation_lock_addr()); | |
2716 __ cmp( Rold, Rnew ); | |
2717 %} | |
2718 | |
2719 enc_class enc_casx( iRegP mem, iRegL old, iRegL new) %{ | |
2720 Register Rmem = reg_to_register_object($mem$$reg); | |
2721 Register Rold = reg_to_register_object($old$$reg); | |
2722 Register Rnew = reg_to_register_object($new$$reg); | |
2723 | |
2724 MacroAssembler _masm(&cbuf); | |
2725 __ mov(Rnew, O7); | |
2726 __ casx(Rmem, Rold, O7); | |
2727 __ cmp( Rold, O7 ); | |
2728 %} | |
2729 | |
2730 // raw int cas, used for compareAndSwap | |
2731 enc_class enc_casi( iRegP mem, iRegL old, iRegL new) %{ | |
2732 Register Rmem = reg_to_register_object($mem$$reg); | |
2733 Register Rold = reg_to_register_object($old$$reg); | |
2734 Register Rnew = reg_to_register_object($new$$reg); | |
2735 | |
2736 MacroAssembler _masm(&cbuf); | |
2737 __ mov(Rnew, O7); | |
2738 __ cas(Rmem, Rold, O7); | |
2739 __ cmp( Rold, O7 ); | |
2740 %} | |
2741 | |
2742 enc_class enc_lflags_ne_to_boolean( iRegI res ) %{ | |
2743 Register Rres = reg_to_register_object($res$$reg); | |
2744 | |
2745 MacroAssembler _masm(&cbuf); | |
2746 __ mov(1, Rres); | |
2747 __ movcc( Assembler::notEqual, false, Assembler::xcc, G0, Rres ); | |
2748 %} | |
2749 | |
2750 enc_class enc_iflags_ne_to_boolean( iRegI res ) %{ | |
2751 Register Rres = reg_to_register_object($res$$reg); | |
2752 | |
2753 MacroAssembler _masm(&cbuf); | |
2754 __ mov(1, Rres); | |
2755 __ movcc( Assembler::notEqual, false, Assembler::icc, G0, Rres ); | |
2756 %} | |
2757 | |
2758 enc_class floating_cmp ( iRegP dst, regF src1, regF src2 ) %{ | |
2759 MacroAssembler _masm(&cbuf); | |
2760 Register Rdst = reg_to_register_object($dst$$reg); | |
2761 FloatRegister Fsrc1 = $primary ? reg_to_SingleFloatRegister_object($src1$$reg) | |
2762 : reg_to_DoubleFloatRegister_object($src1$$reg); | |
2763 FloatRegister Fsrc2 = $primary ? reg_to_SingleFloatRegister_object($src2$$reg) | |
2764 : reg_to_DoubleFloatRegister_object($src2$$reg); | |
2765 | |
2766 // Convert condition code fcc0 into -1,0,1; unordered reports less-than (-1) | |
2767 __ float_cmp( $primary, -1, Fsrc1, Fsrc2, Rdst); | |
2768 %} | |
2769 | |
2770 enc_class LdImmL (immL src, iRegL dst, o7RegL tmp) %{ // Load Immediate | |
2771 MacroAssembler _masm(&cbuf); | |
2772 Register dest = reg_to_register_object($dst$$reg); | |
2773 Register temp = reg_to_register_object($tmp$$reg); | |
2774 __ set64( $src$$constant, dest, temp ); | |
2775 %} | |
2776 | |
2777 enc_class LdImmF(immF src, regF dst, o7RegP tmp) %{ // Load Immediate | |
2778 address float_address = MacroAssembler(&cbuf).float_constant($src$$constant); | |
2779 RelocationHolder rspec = internal_word_Relocation::spec(float_address); | |
2780 #ifdef _LP64 | |
2781 Register tmp_reg = reg_to_register_object($tmp$$reg); | |
2782 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2783 emit_ptr(cbuf, (intptr_t)float_address, tmp_reg, /*ForceRelocatable=*/ true); | |
2784 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::ldf_op3, $tmp$$reg, 0 ); | |
2785 #else // _LP64 | |
2786 uint *code; | |
2787 int tmp_reg = $tmp$$reg; | |
2788 | |
2789 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2790 emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) float_address ); | |
2791 | |
2792 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2793 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::ldf_op3, tmp_reg, (intptr_t) float_address ); | |
2794 #endif // _LP64 | |
2795 %} | |
2796 | |
2797 enc_class LdImmD(immD src, regD dst, o7RegP tmp) %{ // Load Immediate | |
2798 address double_address = MacroAssembler(&cbuf).double_constant($src$$constant); | |
2799 RelocationHolder rspec = internal_word_Relocation::spec(double_address); | |
2800 #ifdef _LP64 | |
2801 Register tmp_reg = reg_to_register_object($tmp$$reg); | |
2802 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2803 emit_ptr(cbuf, (intptr_t)double_address, tmp_reg, /*ForceRelocatable=*/ true); | |
2804 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, $tmp$$reg, 0 ); | |
2805 #else // _LP64 | |
2806 uint *code; | |
2807 int tmp_reg = $tmp$$reg; | |
2808 | |
2809 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2810 emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) double_address ); | |
2811 | |
2812 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2813 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, tmp_reg, (intptr_t) double_address ); | |
2814 #endif // _LP64 | |
2815 %} | |
2816 | |
2817 enc_class LdReplImmI(immI src, regD dst, o7RegP tmp, int count, int width) %{ | |
2818 // Load a constant replicated "count" times with width "width" | |
2819 int bit_width = $width$$constant * 8; | |
2820 jlong elt_val = $src$$constant; | |
2821 elt_val &= (((jlong)1) << bit_width) - 1; // mask off sign bits | |
2822 jlong val = elt_val; | |
2823 for (int i = 0; i < $count$$constant - 1; i++) { | |
2824 val <<= bit_width; | |
2825 val |= elt_val; | |
2826 } | |
2827 jdouble dval = *(jdouble*)&val; // coerce to double type | |
2828 address double_address = MacroAssembler(&cbuf).double_constant(dval); | |
2829 RelocationHolder rspec = internal_word_Relocation::spec(double_address); | |
2830 #ifdef _LP64 | |
2831 Register tmp_reg = reg_to_register_object($tmp$$reg); | |
2832 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2833 emit_ptr(cbuf, (intptr_t)double_address, tmp_reg, /*ForceRelocatable=*/ true); | |
2834 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, $tmp$$reg, 0 ); | |
2835 #else // _LP64 | |
2836 uint *code; | |
2837 int tmp_reg = $tmp$$reg; | |
2838 | |
2839 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2840 emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) double_address ); | |
2841 | |
2842 cbuf.relocate(cbuf.code_end(), rspec, 0); | |
2843 emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, tmp_reg, (intptr_t) double_address ); | |
2844 #endif // _LP64 | |
2845 %} | |
2846 | |
2847 | |
2848 enc_class ShouldNotEncodeThis ( ) %{ | |
2849 ShouldNotCallThis(); | |
2850 %} | |
2851 | |
2852 // Compiler ensures base is doubleword aligned and cnt is count of doublewords | |
2853 enc_class enc_Clear_Array(iRegX cnt, iRegP base, iRegX temp) %{ | |
2854 MacroAssembler _masm(&cbuf); | |
2855 Register nof_bytes_arg = reg_to_register_object($cnt$$reg); | |
2856 Register nof_bytes_tmp = reg_to_register_object($temp$$reg); | |
2857 Register base_pointer_arg = reg_to_register_object($base$$reg); | |
2858 | |
2859 Label loop; | |
2860 __ mov(nof_bytes_arg, nof_bytes_tmp); | |
2861 | |
2862 // Loop and clear, walking backwards through the array. | |
2863 // nof_bytes_tmp (if >0) is always the number of bytes to zero | |
2864 __ bind(loop); | |
2865 __ deccc(nof_bytes_tmp, 8); | |
2866 __ br(Assembler::greaterEqual, true, Assembler::pt, loop); | |
2867 __ delayed()-> stx(G0, base_pointer_arg, nof_bytes_tmp); | |
2868 // %%%% this mini-loop must not cross a cache boundary! | |
2869 %} | |
2870 | |
2871 | |
2872 enc_class enc_String_Compare(o0RegP str1, o1RegP str2, g3RegP tmp1, g4RegP tmp2, notemp_iRegI result) %{ | |
2873 Label Ldone, Lloop; | |
2874 MacroAssembler _masm(&cbuf); | |
2875 | |
2876 Register str1_reg = reg_to_register_object($str1$$reg); | |
2877 Register str2_reg = reg_to_register_object($str2$$reg); | |
2878 Register tmp1_reg = reg_to_register_object($tmp1$$reg); | |
2879 Register tmp2_reg = reg_to_register_object($tmp2$$reg); | |
2880 Register result_reg = reg_to_register_object($result$$reg); | |
2881 | |
2882 // Get the first character position in both strings | |
2883 // [8] char array, [12] offset, [16] count | |
2884 int value_offset = java_lang_String:: value_offset_in_bytes(); | |
2885 int offset_offset = java_lang_String::offset_offset_in_bytes(); | |
2886 int count_offset = java_lang_String:: count_offset_in_bytes(); | |
2887 | |
2888 // load str1 (jchar*) base address into tmp1_reg | |
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2889 __ load_heap_oop(Address(str1_reg, 0, value_offset), tmp1_reg); |
0 | 2890 __ ld(Address(str1_reg, 0, offset_offset), result_reg); |
2891 __ add(tmp1_reg, arrayOopDesc::base_offset_in_bytes(T_CHAR), tmp1_reg); | |
2892 __ ld(Address(str1_reg, 0, count_offset), str1_reg); // hoisted | |
2893 __ sll(result_reg, exact_log2(sizeof(jchar)), result_reg); | |
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2894 __ load_heap_oop(Address(str2_reg, 0, value_offset), tmp2_reg); // hoisted |
0 | 2895 __ add(result_reg, tmp1_reg, tmp1_reg); |
2896 | |
2897 // load str2 (jchar*) base address into tmp2_reg | |
2898 // __ ld_ptr(Address(str2_reg, 0, value_offset), tmp2_reg); // hoisted | |
2899 __ ld(Address(str2_reg, 0, offset_offset), result_reg); | |
2900 __ add(tmp2_reg, arrayOopDesc::base_offset_in_bytes(T_CHAR), tmp2_reg); | |
2901 __ ld(Address(str2_reg, 0, count_offset), str2_reg); // hoisted | |
2902 __ sll(result_reg, exact_log2(sizeof(jchar)), result_reg); | |
2903 __ subcc(str1_reg, str2_reg, O7); // hoisted | |
2904 __ add(result_reg, tmp2_reg, tmp2_reg); | |
2905 | |
2906 // Compute the minimum of the string lengths(str1_reg) and the | |
2907 // difference of the string lengths (stack) | |
2908 | |
2909 // discard string base pointers, after loading up the lengths | |
2910 // __ ld(Address(str1_reg, 0, count_offset), str1_reg); // hoisted | |
2911 // __ ld(Address(str2_reg, 0, count_offset), str2_reg); // hoisted | |
2912 | |
2913 // See if the lengths are different, and calculate min in str1_reg. | |
2914 // Stash diff in O7 in case we need it for a tie-breaker. | |
2915 Label Lskip; | |
2916 // __ subcc(str1_reg, str2_reg, O7); // hoisted | |
2917 __ sll(str1_reg, exact_log2(sizeof(jchar)), str1_reg); // scale the limit | |
2918 __ br(Assembler::greater, true, Assembler::pt, Lskip); | |
2919 // str2 is shorter, so use its count: | |
2920 __ delayed()->sll(str2_reg, exact_log2(sizeof(jchar)), str1_reg); // scale the limit | |
2921 __ bind(Lskip); | |
2922 | |
2923 // reallocate str1_reg, str2_reg, result_reg | |
2924 // Note: limit_reg holds the string length pre-scaled by 2 | |
2925 Register limit_reg = str1_reg; | |
2926 Register chr2_reg = str2_reg; | |
2927 Register chr1_reg = result_reg; | |
2928 // tmp{12} are the base pointers | |
2929 | |
2930 // Is the minimum length zero? | |
2931 __ cmp(limit_reg, (int)(0 * sizeof(jchar))); // use cast to resolve overloading ambiguity | |
2932 __ br(Assembler::equal, true, Assembler::pn, Ldone); | |
2933 __ delayed()->mov(O7, result_reg); // result is difference in lengths | |
2934 | |
2935 // Load first characters | |
2936 __ lduh(tmp1_reg, 0, chr1_reg); | |
2937 __ lduh(tmp2_reg, 0, chr2_reg); | |
2938 | |
2939 // Compare first characters | |
2940 __ subcc(chr1_reg, chr2_reg, chr1_reg); | |
2941 __ br(Assembler::notZero, false, Assembler::pt, Ldone); | |
2942 assert(chr1_reg == result_reg, "result must be pre-placed"); | |
2943 __ delayed()->nop(); | |
2944 | |
2945 { | |
2946 // Check after comparing first character to see if strings are equivalent | |
2947 Label LSkip2; | |
2948 // Check if the strings start at same location | |
2949 __ cmp(tmp1_reg, tmp2_reg); | |
2950 __ brx(Assembler::notEqual, true, Assembler::pt, LSkip2); | |
2951 __ delayed()->nop(); | |
2952 | |
2953 // Check if the length difference is zero (in O7) | |
2954 __ cmp(G0, O7); | |
2955 __ br(Assembler::equal, true, Assembler::pn, Ldone); | |
2956 __ delayed()->mov(G0, result_reg); // result is zero | |
2957 | |
2958 // Strings might not be equal | |
2959 __ bind(LSkip2); | |
2960 } | |
2961 | |
2962 __ subcc(limit_reg, 1 * sizeof(jchar), chr1_reg); | |
2963 __ br(Assembler::equal, true, Assembler::pn, Ldone); | |
2964 __ delayed()->mov(O7, result_reg); // result is difference in lengths | |
2965 | |
2966 // Shift tmp1_reg and tmp2_reg to the end of the arrays, negate limit | |
2967 __ add(tmp1_reg, limit_reg, tmp1_reg); | |
2968 __ add(tmp2_reg, limit_reg, tmp2_reg); | |
2969 __ neg(chr1_reg, limit_reg); // limit = -(limit-2) | |
2970 | |
2971 // Compare the rest of the characters | |
2972 __ lduh(tmp1_reg, limit_reg, chr1_reg); | |
2973 __ bind(Lloop); | |
2974 // __ lduh(tmp1_reg, limit_reg, chr1_reg); // hoisted | |
2975 __ lduh(tmp2_reg, limit_reg, chr2_reg); | |
2976 __ subcc(chr1_reg, chr2_reg, chr1_reg); | |
2977 __ br(Assembler::notZero, false, Assembler::pt, Ldone); | |
2978 assert(chr1_reg == result_reg, "result must be pre-placed"); | |
2979 __ delayed()->inccc(limit_reg, sizeof(jchar)); | |
2980 // annul LDUH if branch is not taken to prevent access past end of string | |
2981 __ br(Assembler::notZero, true, Assembler::pt, Lloop); | |
2982 __ delayed()->lduh(tmp1_reg, limit_reg, chr1_reg); // hoisted | |
2983 | |
2984 // If strings are equal up to min length, return the length difference. | |
2985 __ mov(O7, result_reg); | |
2986 | |
2987 // Otherwise, return the difference between the first mismatched chars. | |
2988 __ bind(Ldone); | |
2989 %} | |
2990 | |
2991 enc_class enc_rethrow() %{ | |
2992 cbuf.set_inst_mark(); | |
2993 Register temp_reg = G3; | |
2994 Address rethrow_stub(temp_reg, OptoRuntime::rethrow_stub()); | |
2995 assert(temp_reg != reg_to_register_object(R_I0_num), "temp must not break oop_reg"); | |
2996 MacroAssembler _masm(&cbuf); | |
2997 #ifdef ASSERT | |
2998 __ save_frame(0); | |
2999 Address last_rethrow_addr(L1, (address)&last_rethrow); | |
3000 __ sethi(last_rethrow_addr); | |
3001 __ get_pc(L2); | |
3002 __ inc(L2, 3 * BytesPerInstWord); // skip this & 2 more insns to point at jump_to | |
3003 __ st_ptr(L2, last_rethrow_addr); | |
3004 __ restore(); | |
3005 #endif | |
3006 __ JUMP(rethrow_stub, 0); // sethi;jmp | |
3007 __ delayed()->nop(); | |
3008 %} | |
3009 | |
3010 enc_class emit_mem_nop() %{ | |
3011 // Generates the instruction LDUXA [o6,g0],#0x82,g0 | |
3012 unsigned int *code = (unsigned int*)cbuf.code_end(); | |
3013 *code = (unsigned int)0xc0839040; | |
3014 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
3015 %} | |
3016 | |
3017 enc_class emit_fadd_nop() %{ | |
3018 // Generates the instruction FMOVS f31,f31 | |
3019 unsigned int *code = (unsigned int*)cbuf.code_end(); | |
3020 *code = (unsigned int)0xbfa0003f; | |
3021 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
3022 %} | |
3023 | |
3024 enc_class emit_br_nop() %{ | |
3025 // Generates the instruction BPN,PN . | |
3026 unsigned int *code = (unsigned int*)cbuf.code_end(); | |
3027 *code = (unsigned int)0x00400000; | |
3028 cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord); | |
3029 %} | |
3030 | |
3031 enc_class enc_membar_acquire %{ | |
3032 MacroAssembler _masm(&cbuf); | |
3033 __ membar( Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::LoadLoad) ); | |
3034 %} | |
3035 | |
3036 enc_class enc_membar_release %{ | |
3037 MacroAssembler _masm(&cbuf); | |
3038 __ membar( Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore) ); | |
3039 %} | |
3040 | |
3041 enc_class enc_membar_volatile %{ | |
3042 MacroAssembler _masm(&cbuf); | |
3043 __ membar( Assembler::Membar_mask_bits(Assembler::StoreLoad) ); | |
3044 %} | |
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3045 |
0 | 3046 enc_class enc_repl8b( iRegI src, iRegL dst ) %{ |
3047 MacroAssembler _masm(&cbuf); | |
3048 Register src_reg = reg_to_register_object($src$$reg); | |
3049 Register dst_reg = reg_to_register_object($dst$$reg); | |
3050 __ sllx(src_reg, 56, dst_reg); | |
3051 __ srlx(dst_reg, 8, O7); | |
3052 __ or3 (dst_reg, O7, dst_reg); | |
3053 __ srlx(dst_reg, 16, O7); | |
3054 __ or3 (dst_reg, O7, dst_reg); | |
3055 __ srlx(dst_reg, 32, O7); | |
3056 __ or3 (dst_reg, O7, dst_reg); | |
3057 %} | |
3058 | |
3059 enc_class enc_repl4b( iRegI src, iRegL dst ) %{ | |
3060 MacroAssembler _masm(&cbuf); | |
3061 Register src_reg = reg_to_register_object($src$$reg); | |
3062 Register dst_reg = reg_to_register_object($dst$$reg); | |
3063 __ sll(src_reg, 24, dst_reg); | |
3064 __ srl(dst_reg, 8, O7); | |
3065 __ or3(dst_reg, O7, dst_reg); | |
3066 __ srl(dst_reg, 16, O7); | |
3067 __ or3(dst_reg, O7, dst_reg); | |
3068 %} | |
3069 | |
3070 enc_class enc_repl4s( iRegI src, iRegL dst ) %{ | |
3071 MacroAssembler _masm(&cbuf); | |
3072 Register src_reg = reg_to_register_object($src$$reg); | |
3073 Register dst_reg = reg_to_register_object($dst$$reg); | |
3074 __ sllx(src_reg, 48, dst_reg); | |
3075 __ srlx(dst_reg, 16, O7); | |
3076 __ or3 (dst_reg, O7, dst_reg); | |
3077 __ srlx(dst_reg, 32, O7); | |
3078 __ or3 (dst_reg, O7, dst_reg); | |
3079 %} | |
3080 | |
3081 enc_class enc_repl2i( iRegI src, iRegL dst ) %{ | |
3082 MacroAssembler _masm(&cbuf); | |
3083 Register src_reg = reg_to_register_object($src$$reg); | |
3084 Register dst_reg = reg_to_register_object($dst$$reg); | |
3085 __ sllx(src_reg, 32, dst_reg); | |
3086 __ srlx(dst_reg, 32, O7); | |
3087 __ or3 (dst_reg, O7, dst_reg); | |
3088 %} | |
3089 | |
3090 %} | |
3091 | |
3092 //----------FRAME-------------------------------------------------------------- | |
3093 // Definition of frame structure and management information. | |
3094 // | |
3095 // S T A C K L A Y O U T Allocators stack-slot number | |
3096 // | (to get allocators register number | |
3097 // G Owned by | | v add VMRegImpl::stack0) | |
3098 // r CALLER | | | |
3099 // o | +--------+ pad to even-align allocators stack-slot | |
3100 // w V | pad0 | numbers; owned by CALLER | |
3101 // t -----------+--------+----> Matcher::_in_arg_limit, unaligned | |
3102 // h ^ | in | 5 | |
3103 // | | args | 4 Holes in incoming args owned by SELF | |
3104 // | | | | 3 | |
3105 // | | +--------+ | |
3106 // V | | old out| Empty on Intel, window on Sparc | |
3107 // | old |preserve| Must be even aligned. | |
3108 // | SP-+--------+----> Matcher::_old_SP, 8 (or 16 in LP64)-byte aligned | |
3109 // | | in | 3 area for Intel ret address | |
3110 // Owned by |preserve| Empty on Sparc. | |
3111 // SELF +--------+ | |
3112 // | | pad2 | 2 pad to align old SP | |
3113 // | +--------+ 1 | |
3114 // | | locks | 0 | |
3115 // | +--------+----> VMRegImpl::stack0, 8 (or 16 in LP64)-byte aligned | |
3116 // | | pad1 | 11 pad to align new SP | |
3117 // | +--------+ | |
3118 // | | | 10 | |
3119 // | | spills | 9 spills | |
3120 // V | | 8 (pad0 slot for callee) | |
3121 // -----------+--------+----> Matcher::_out_arg_limit, unaligned | |
3122 // ^ | out | 7 | |
3123 // | | args | 6 Holes in outgoing args owned by CALLEE | |
3124 // Owned by +--------+ | |
3125 // CALLEE | new out| 6 Empty on Intel, window on Sparc | |
3126 // | new |preserve| Must be even-aligned. | |
3127 // | SP-+--------+----> Matcher::_new_SP, even aligned | |
3128 // | | | | |
3129 // | |
3130 // Note 1: Only region 8-11 is determined by the allocator. Region 0-5 is | |
3131 // known from SELF's arguments and the Java calling convention. | |
3132 // Region 6-7 is determined per call site. | |
3133 // Note 2: If the calling convention leaves holes in the incoming argument | |
3134 // area, those holes are owned by SELF. Holes in the outgoing area | |
3135 // are owned by the CALLEE. Holes should not be nessecary in the | |
3136 // incoming area, as the Java calling convention is completely under | |
3137 // the control of the AD file. Doubles can be sorted and packed to | |
3138 // avoid holes. Holes in the outgoing arguments may be nessecary for | |
3139 // varargs C calling conventions. | |
3140 // Note 3: Region 0-3 is even aligned, with pad2 as needed. Region 3-5 is | |
3141 // even aligned with pad0 as needed. | |
3142 // Region 6 is even aligned. Region 6-7 is NOT even aligned; | |
3143 // region 6-11 is even aligned; it may be padded out more so that | |
3144 // the region from SP to FP meets the minimum stack alignment. | |
3145 | |
3146 frame %{ | |
3147 // What direction does stack grow in (assumed to be same for native & Java) | |
3148 stack_direction(TOWARDS_LOW); | |
3149 | |
3150 // These two registers define part of the calling convention | |
3151 // between compiled code and the interpreter. | |
3152 inline_cache_reg(R_G5); // Inline Cache Register or methodOop for I2C | |
3153 interpreter_method_oop_reg(R_G5); // Method Oop Register when calling interpreter | |
3154 | |
3155 // Optional: name the operand used by cisc-spilling to access [stack_pointer + offset] | |
3156 cisc_spilling_operand_name(indOffset); | |
3157 | |
3158 // Number of stack slots consumed by a Monitor enter | |
3159 #ifdef _LP64 | |
3160 sync_stack_slots(2); | |
3161 #else | |
3162 sync_stack_slots(1); | |
3163 #endif | |
3164 | |
3165 // Compiled code's Frame Pointer | |
3166 frame_pointer(R_SP); | |
3167 | |
3168 // Stack alignment requirement | |
3169 stack_alignment(StackAlignmentInBytes); | |
3170 // LP64: Alignment size in bytes (128-bit -> 16 bytes) | |
3171 // !LP64: Alignment size in bytes (64-bit -> 8 bytes) | |
3172 | |
3173 // Number of stack slots between incoming argument block and the start of | |
3174 // a new frame. The PROLOG must add this many slots to the stack. The | |
3175 // EPILOG must remove this many slots. | |
3176 in_preserve_stack_slots(0); | |
3177 | |
3178 // Number of outgoing stack slots killed above the out_preserve_stack_slots | |
3179 // for calls to C. Supports the var-args backing area for register parms. | |
3180 // ADLC doesn't support parsing expressions, so I folded the math by hand. | |
3181 #ifdef _LP64 | |
3182 // (callee_register_argument_save_area_words (6) + callee_aggregate_return_pointer_words (0)) * 2-stack-slots-per-word | |
3183 varargs_C_out_slots_killed(12); | |
3184 #else | |
3185 // (callee_register_argument_save_area_words (6) + callee_aggregate_return_pointer_words (1)) * 1-stack-slots-per-word | |
3186 varargs_C_out_slots_killed( 7); | |
3187 #endif | |
3188 | |
3189 // The after-PROLOG location of the return address. Location of | |
3190 // return address specifies a type (REG or STACK) and a number | |
3191 // representing the register number (i.e. - use a register name) or | |
3192 // stack slot. | |
3193 return_addr(REG R_I7); // Ret Addr is in register I7 | |
3194 | |
3195 // Body of function which returns an OptoRegs array locating | |
3196 // arguments either in registers or in stack slots for calling | |
3197 // java | |
3198 calling_convention %{ | |
3199 (void) SharedRuntime::java_calling_convention(sig_bt, regs, length, is_outgoing); | |
3200 | |
3201 %} | |
3202 | |
3203 // Body of function which returns an OptoRegs array locating | |
3204 // arguments either in registers or in stack slots for callin | |
3205 // C. | |
3206 c_calling_convention %{ | |
3207 // This is obviously always outgoing | |
3208 (void) SharedRuntime::c_calling_convention(sig_bt, regs, length); | |
3209 %} | |
3210 | |
3211 // Location of native (C/C++) and interpreter return values. This is specified to | |
3212 // be the same as Java. In the 32-bit VM, long values are actually returned from | |
3213 // native calls in O0:O1 and returned to the interpreter in I0:I1. The copying | |
3214 // to and from the register pairs is done by the appropriate call and epilog | |
3215 // opcodes. This simplifies the register allocator. | |
3216 c_return_value %{ | |
3217 assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" ); | |
3218 #ifdef _LP64 | |
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3219 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_O0_num }; |
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3220 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_O0H_num, OptoReg::Bad, R_F1_num, R_O0H_num}; |
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3221 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_I0_num }; |
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3222 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_I0H_num, OptoReg::Bad, R_F1_num, R_I0H_num}; |
0 | 3223 #else // !_LP64 |
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3224 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_G1_num }; |
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3225 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num }; |
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3226 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_G1_num }; |
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3227 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num }; |
0 | 3228 #endif |
3229 return OptoRegPair( (is_outgoing?hi_out:hi_in)[ideal_reg], | |
3230 (is_outgoing?lo_out:lo_in)[ideal_reg] ); | |
3231 %} | |
3232 | |
3233 // Location of compiled Java return values. Same as C | |
3234 return_value %{ | |
3235 assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" ); | |
3236 #ifdef _LP64 | |
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3237 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_O0_num }; |
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3238 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_O0H_num, OptoReg::Bad, R_F1_num, R_O0H_num}; |
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3239 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_I0_num }; |
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3240 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_I0H_num, OptoReg::Bad, R_F1_num, R_I0H_num}; |
0 | 3241 #else // !_LP64 |
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3242 static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num, R_O0_num, R_O0_num, R_F0_num, R_F0_num, R_G1_num }; |
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3243 static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num}; |
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3244 static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num, R_I0_num, R_I0_num, R_F0_num, R_F0_num, R_G1_num }; |
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3245 static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num}; |
0 | 3246 #endif |
3247 return OptoRegPair( (is_outgoing?hi_out:hi_in)[ideal_reg], | |
3248 (is_outgoing?lo_out:lo_in)[ideal_reg] ); | |
3249 %} | |
3250 | |
3251 %} | |
3252 | |
3253 | |
3254 //----------ATTRIBUTES--------------------------------------------------------- | |
3255 //----------Operand Attributes------------------------------------------------- | |
3256 op_attrib op_cost(1); // Required cost attribute | |
3257 | |
3258 //----------Instruction Attributes--------------------------------------------- | |
3259 ins_attrib ins_cost(DEFAULT_COST); // Required cost attribute | |
3260 ins_attrib ins_size(32); // Required size attribute (in bits) | |
3261 ins_attrib ins_pc_relative(0); // Required PC Relative flag | |
3262 ins_attrib ins_short_branch(0); // Required flag: is this instruction a | |
3263 // non-matching short branch variant of some | |
3264 // long branch? | |
3265 | |
3266 //----------OPERANDS----------------------------------------------------------- | |
3267 // Operand definitions must precede instruction definitions for correct parsing | |
3268 // in the ADLC because operands constitute user defined types which are used in | |
3269 // instruction definitions. | |
3270 | |
3271 //----------Simple Operands---------------------------------------------------- | |
3272 // Immediate Operands | |
3273 // Integer Immediate: 32-bit | |
3274 operand immI() %{ | |
3275 match(ConI); | |
3276 | |
3277 op_cost(0); | |
3278 // formats are generated automatically for constants and base registers | |
3279 format %{ %} | |
3280 interface(CONST_INTER); | |
3281 %} | |
3282 | |
3283 // Integer Immediate: 13-bit | |
3284 operand immI13() %{ | |
3285 predicate(Assembler::is_simm13(n->get_int())); | |
3286 match(ConI); | |
3287 op_cost(0); | |
3288 | |
3289 format %{ %} | |
3290 interface(CONST_INTER); | |
3291 %} | |
3292 | |
3293 // Unsigned (positive) Integer Immediate: 13-bit | |
3294 operand immU13() %{ | |
3295 predicate((0 <= n->get_int()) && Assembler::is_simm13(n->get_int())); | |
3296 match(ConI); | |
3297 op_cost(0); | |
3298 | |
3299 format %{ %} | |
3300 interface(CONST_INTER); | |
3301 %} | |
3302 | |
3303 // Integer Immediate: 6-bit | |
3304 operand immU6() %{ | |
3305 predicate(n->get_int() >= 0 && n->get_int() <= 63); | |
3306 match(ConI); | |
3307 op_cost(0); | |
3308 format %{ %} | |
3309 interface(CONST_INTER); | |
3310 %} | |
3311 | |
3312 // Integer Immediate: 11-bit | |
3313 operand immI11() %{ | |
3314 predicate(Assembler::is_simm(n->get_int(),11)); | |
3315 match(ConI); | |
3316 op_cost(0); | |
3317 format %{ %} | |
3318 interface(CONST_INTER); | |
3319 %} | |
3320 | |
3321 // Integer Immediate: 0-bit | |
3322 operand immI0() %{ | |
3323 predicate(n->get_int() == 0); | |
3324 match(ConI); | |
3325 op_cost(0); | |
3326 | |
3327 format %{ %} | |
3328 interface(CONST_INTER); | |
3329 %} | |
3330 | |
3331 // Integer Immediate: the value 10 | |
3332 operand immI10() %{ | |
3333 predicate(n->get_int() == 10); | |
3334 match(ConI); | |
3335 op_cost(0); | |
3336 | |
3337 format %{ %} | |
3338 interface(CONST_INTER); | |
3339 %} | |
3340 | |
3341 // Integer Immediate: the values 0-31 | |
3342 operand immU5() %{ | |
3343 predicate(n->get_int() >= 0 && n->get_int() <= 31); | |
3344 match(ConI); | |
3345 op_cost(0); | |
3346 | |
3347 format %{ %} | |
3348 interface(CONST_INTER); | |
3349 %} | |
3350 | |
3351 // Integer Immediate: the values 1-31 | |
3352 operand immI_1_31() %{ | |
3353 predicate(n->get_int() >= 1 && n->get_int() <= 31); | |
3354 match(ConI); | |
3355 op_cost(0); | |
3356 | |
3357 format %{ %} | |
3358 interface(CONST_INTER); | |
3359 %} | |
3360 | |
3361 // Integer Immediate: the values 32-63 | |
3362 operand immI_32_63() %{ | |
3363 predicate(n->get_int() >= 32 && n->get_int() <= 63); | |
3364 match(ConI); | |
3365 op_cost(0); | |
3366 | |
3367 format %{ %} | |
3368 interface(CONST_INTER); | |
3369 %} | |
3370 | |
3371 // Integer Immediate: the value 255 | |
3372 operand immI_255() %{ | |
3373 predicate( n->get_int() == 255 ); | |
3374 match(ConI); | |
3375 op_cost(0); | |
3376 | |
3377 format %{ %} | |
3378 interface(CONST_INTER); | |
3379 %} | |
3380 | |
3381 // Long Immediate: the value FF | |
3382 operand immL_FF() %{ | |
3383 predicate( n->get_long() == 0xFFL ); | |
3384 match(ConL); | |
3385 op_cost(0); | |
3386 | |
3387 format %{ %} | |
3388 interface(CONST_INTER); | |
3389 %} | |
3390 | |
3391 // Long Immediate: the value FFFF | |
3392 operand immL_FFFF() %{ | |
3393 predicate( n->get_long() == 0xFFFFL ); | |
3394 match(ConL); | |
3395 op_cost(0); | |
3396 | |
3397 format %{ %} | |
3398 interface(CONST_INTER); | |
3399 %} | |
3400 | |
3401 // Pointer Immediate: 32 or 64-bit | |
3402 operand immP() %{ | |
3403 match(ConP); | |
3404 | |
3405 op_cost(5); | |
3406 // formats are generated automatically for constants and base registers | |
3407 format %{ %} | |
3408 interface(CONST_INTER); | |
3409 %} | |
3410 | |
3411 operand immP13() %{ | |
3412 predicate((-4096 < n->get_ptr()) && (n->get_ptr() <= 4095)); | |
3413 match(ConP); | |
3414 op_cost(0); | |
3415 | |
3416 format %{ %} | |
3417 interface(CONST_INTER); | |
3418 %} | |
3419 | |
3420 operand immP0() %{ | |
3421 predicate(n->get_ptr() == 0); | |
3422 match(ConP); | |
3423 op_cost(0); | |
3424 | |
3425 format %{ %} | |
3426 interface(CONST_INTER); | |
3427 %} | |
3428 | |
3429 operand immP_poll() %{ | |
3430 predicate(n->get_ptr() != 0 && n->get_ptr() == (intptr_t)os::get_polling_page()); | |
3431 match(ConP); | |
3432 | |
3433 // formats are generated automatically for constants and base registers | |
3434 format %{ %} | |
3435 interface(CONST_INTER); | |
3436 %} | |
3437 | |
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3438 // Pointer Immediate |
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3439 operand immN() |
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3440 %{ |
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3441 match(ConN); |
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3442 |
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3443 op_cost(10); |
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3444 format %{ %} |
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3445 interface(CONST_INTER); |
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3446 %} |
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3447 |
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3448 // NULL Pointer Immediate |
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3449 operand immN0() |
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3450 %{ |
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3451 predicate(n->get_narrowcon() == 0); |
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3452 match(ConN); |
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3453 |
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3454 op_cost(0); |
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3455 format %{ %} |
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3456 interface(CONST_INTER); |
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3457 %} |
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3458 |
0 | 3459 operand immL() %{ |
3460 match(ConL); | |
3461 op_cost(40); | |
3462 // formats are generated automatically for constants and base registers | |
3463 format %{ %} | |
3464 interface(CONST_INTER); | |
3465 %} | |
3466 | |
3467 operand immL0() %{ | |
3468 predicate(n->get_long() == 0L); | |
3469 match(ConL); | |
3470 op_cost(0); | |
3471 // formats are generated automatically for constants and base registers | |
3472 format %{ %} | |
3473 interface(CONST_INTER); | |
3474 %} | |
3475 | |
3476 // Long Immediate: 13-bit | |
3477 operand immL13() %{ | |
3478 predicate((-4096L < n->get_long()) && (n->get_long() <= 4095L)); | |
3479 match(ConL); | |
3480 op_cost(0); | |
3481 | |
3482 format %{ %} | |
3483 interface(CONST_INTER); | |
3484 %} | |
3485 | |
3486 // Long Immediate: low 32-bit mask | |
3487 operand immL_32bits() %{ | |
3488 predicate(n->get_long() == 0xFFFFFFFFL); | |
3489 match(ConL); | |
3490 op_cost(0); | |
3491 | |
3492 format %{ %} | |
3493 interface(CONST_INTER); | |
3494 %} | |
3495 | |
3496 // Double Immediate | |
3497 operand immD() %{ | |
3498 match(ConD); | |
3499 | |
3500 op_cost(40); | |
3501 format %{ %} | |
3502 interface(CONST_INTER); | |
3503 %} | |
3504 | |
3505 operand immD0() %{ | |
3506 #ifdef _LP64 | |
3507 // on 64-bit architectures this comparision is faster | |
3508 predicate(jlong_cast(n->getd()) == 0); | |
3509 #else | |
3510 predicate((n->getd() == 0) && (fpclass(n->getd()) == FP_PZERO)); | |
3511 #endif | |
3512 match(ConD); | |
3513 | |
3514 op_cost(0); | |
3515 format %{ %} | |
3516 interface(CONST_INTER); | |
3517 %} | |
3518 | |
3519 // Float Immediate | |
3520 operand immF() %{ | |
3521 match(ConF); | |
3522 | |
3523 op_cost(20); | |
3524 format %{ %} | |
3525 interface(CONST_INTER); | |
3526 %} | |
3527 | |
3528 // Float Immediate: 0 | |
3529 operand immF0() %{ | |
3530 predicate((n->getf() == 0) && (fpclass(n->getf()) == FP_PZERO)); | |
3531 match(ConF); | |
3532 | |
3533 op_cost(0); | |
3534 format %{ %} | |
3535 interface(CONST_INTER); | |
3536 %} | |
3537 | |
3538 // Integer Register Operands | |
3539 // Integer Register | |
3540 operand iRegI() %{ | |
3541 constraint(ALLOC_IN_RC(int_reg)); | |
3542 match(RegI); | |
3543 | |
3544 match(notemp_iRegI); | |
3545 match(g1RegI); | |
3546 match(o0RegI); | |
3547 match(iRegIsafe); | |
3548 | |
3549 format %{ %} | |
3550 interface(REG_INTER); | |
3551 %} | |
3552 | |
3553 operand notemp_iRegI() %{ | |
3554 constraint(ALLOC_IN_RC(notemp_int_reg)); | |
3555 match(RegI); | |
3556 | |
3557 match(o0RegI); | |
3558 | |
3559 format %{ %} | |
3560 interface(REG_INTER); | |
3561 %} | |
3562 | |
3563 operand o0RegI() %{ | |
3564 constraint(ALLOC_IN_RC(o0_regI)); | |
3565 match(iRegI); | |
3566 | |
3567 format %{ %} | |
3568 interface(REG_INTER); | |
3569 %} | |
3570 | |
3571 // Pointer Register | |
3572 operand iRegP() %{ | |
3573 constraint(ALLOC_IN_RC(ptr_reg)); | |
3574 match(RegP); | |
3575 | |
3576 match(lock_ptr_RegP); | |
3577 match(g1RegP); | |
3578 match(g2RegP); | |
3579 match(g3RegP); | |
3580 match(g4RegP); | |
3581 match(i0RegP); | |
3582 match(o0RegP); | |
3583 match(o1RegP); | |
3584 match(l7RegP); | |
3585 | |
3586 format %{ %} | |
3587 interface(REG_INTER); | |
3588 %} | |
3589 | |
3590 operand sp_ptr_RegP() %{ | |
3591 constraint(ALLOC_IN_RC(sp_ptr_reg)); | |
3592 match(RegP); | |
3593 match(iRegP); | |
3594 | |
3595 format %{ %} | |
3596 interface(REG_INTER); | |
3597 %} | |
3598 | |
3599 operand lock_ptr_RegP() %{ | |
3600 constraint(ALLOC_IN_RC(lock_ptr_reg)); | |
3601 match(RegP); | |
3602 match(i0RegP); | |
3603 match(o0RegP); | |
3604 match(o1RegP); | |
3605 match(l7RegP); | |
3606 | |
3607 format %{ %} | |
3608 interface(REG_INTER); | |
3609 %} | |
3610 | |
3611 operand g1RegP() %{ | |
3612 constraint(ALLOC_IN_RC(g1_regP)); | |
3613 match(iRegP); | |
3614 | |
3615 format %{ %} | |
3616 interface(REG_INTER); | |
3617 %} | |
3618 | |
3619 operand g2RegP() %{ | |
3620 constraint(ALLOC_IN_RC(g2_regP)); | |
3621 match(iRegP); | |
3622 | |
3623 format %{ %} | |
3624 interface(REG_INTER); | |
3625 %} | |
3626 | |
3627 operand g3RegP() %{ | |
3628 constraint(ALLOC_IN_RC(g3_regP)); | |
3629 match(iRegP); | |
3630 | |
3631 format %{ %} | |
3632 interface(REG_INTER); | |
3633 %} | |
3634 | |
3635 operand g1RegI() %{ | |
3636 constraint(ALLOC_IN_RC(g1_regI)); | |
3637 match(iRegI); | |
3638 | |
3639 format %{ %} | |
3640 interface(REG_INTER); | |
3641 %} | |
3642 | |
3643 operand g3RegI() %{ | |
3644 constraint(ALLOC_IN_RC(g3_regI)); | |
3645 match(iRegI); | |
3646 | |
3647 format %{ %} | |
3648 interface(REG_INTER); | |
3649 %} | |
3650 | |
3651 operand g4RegI() %{ | |
3652 constraint(ALLOC_IN_RC(g4_regI)); | |
3653 match(iRegI); | |
3654 | |
3655 format %{ %} | |
3656 interface(REG_INTER); | |
3657 %} | |
3658 | |
3659 operand g4RegP() %{ | |
3660 constraint(ALLOC_IN_RC(g4_regP)); | |
3661 match(iRegP); | |
3662 | |
3663 format %{ %} | |
3664 interface(REG_INTER); | |
3665 %} | |
3666 | |
3667 operand i0RegP() %{ | |
3668 constraint(ALLOC_IN_RC(i0_regP)); | |
3669 match(iRegP); | |
3670 | |
3671 format %{ %} | |
3672 interface(REG_INTER); | |
3673 %} | |
3674 | |
3675 operand o0RegP() %{ | |
3676 constraint(ALLOC_IN_RC(o0_regP)); | |
3677 match(iRegP); | |
3678 | |
3679 format %{ %} | |
3680 interface(REG_INTER); | |
3681 %} | |
3682 | |
3683 operand o1RegP() %{ | |
3684 constraint(ALLOC_IN_RC(o1_regP)); | |
3685 match(iRegP); | |
3686 | |
3687 format %{ %} | |
3688 interface(REG_INTER); | |
3689 %} | |
3690 | |
3691 operand o2RegP() %{ | |
3692 constraint(ALLOC_IN_RC(o2_regP)); | |
3693 match(iRegP); | |
3694 | |
3695 format %{ %} | |
3696 interface(REG_INTER); | |
3697 %} | |
3698 | |
3699 operand o7RegP() %{ | |
3700 constraint(ALLOC_IN_RC(o7_regP)); | |
3701 match(iRegP); | |
3702 | |
3703 format %{ %} | |
3704 interface(REG_INTER); | |
3705 %} | |
3706 | |
3707 operand l7RegP() %{ | |
3708 constraint(ALLOC_IN_RC(l7_regP)); | |
3709 match(iRegP); | |
3710 | |
3711 format %{ %} | |
3712 interface(REG_INTER); | |
3713 %} | |
3714 | |
3715 operand o7RegI() %{ | |
3716 constraint(ALLOC_IN_RC(o7_regI)); | |
3717 match(iRegI); | |
3718 | |
3719 format %{ %} | |
3720 interface(REG_INTER); | |
3721 %} | |
3722 | |
113
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3723 operand iRegN() %{ |
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3724 constraint(ALLOC_IN_RC(int_reg)); |
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3725 match(RegN); |
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3726 |
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3727 format %{ %} |
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3728 interface(REG_INTER); |
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3729 %} |
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3730 |
0 | 3731 // Long Register |
3732 operand iRegL() %{ | |
3733 constraint(ALLOC_IN_RC(long_reg)); | |
3734 match(RegL); | |
3735 | |
3736 format %{ %} | |
3737 interface(REG_INTER); | |
3738 %} | |
3739 | |
3740 operand o2RegL() %{ | |
3741 constraint(ALLOC_IN_RC(o2_regL)); | |
3742 match(iRegL); | |
3743 | |
3744 format %{ %} | |
3745 interface(REG_INTER); | |
3746 %} | |
3747 | |
3748 operand o7RegL() %{ | |
3749 constraint(ALLOC_IN_RC(o7_regL)); | |
3750 match(iRegL); | |
3751 | |
3752 format %{ %} | |
3753 interface(REG_INTER); | |
3754 %} | |
3755 | |
3756 operand g1RegL() %{ | |
3757 constraint(ALLOC_IN_RC(g1_regL)); | |
3758 match(iRegL); | |
3759 | |
3760 format %{ %} | |
3761 interface(REG_INTER); | |
3762 %} | |
3763 | |
3764 // Int Register safe | |
3765 // This is 64bit safe | |
3766 operand iRegIsafe() %{ | |
3767 constraint(ALLOC_IN_RC(long_reg)); | |
3768 | |
3769 match(iRegI); | |
3770 | |
3771 format %{ %} | |
3772 interface(REG_INTER); | |
3773 %} | |
3774 | |
3775 // Condition Code Flag Register | |
3776 operand flagsReg() %{ | |
3777 constraint(ALLOC_IN_RC(int_flags)); | |
3778 match(RegFlags); | |
3779 | |
3780 format %{ "ccr" %} // both ICC and XCC | |
3781 interface(REG_INTER); | |
3782 %} | |
3783 | |
3784 // Condition Code Register, unsigned comparisons. | |
3785 operand flagsRegU() %{ | |
3786 constraint(ALLOC_IN_RC(int_flags)); | |
3787 match(RegFlags); | |
3788 | |
3789 format %{ "icc_U" %} | |
3790 interface(REG_INTER); | |
3791 %} | |
3792 | |
3793 // Condition Code Register, pointer comparisons. | |
3794 operand flagsRegP() %{ | |
3795 constraint(ALLOC_IN_RC(int_flags)); | |
3796 match(RegFlags); | |
3797 | |
3798 #ifdef _LP64 | |
3799 format %{ "xcc_P" %} | |
3800 #else | |
3801 format %{ "icc_P" %} | |
3802 #endif | |
3803 interface(REG_INTER); | |
3804 %} | |
3805 | |
3806 // Condition Code Register, long comparisons. | |
3807 operand flagsRegL() %{ | |
3808 constraint(ALLOC_IN_RC(int_flags)); | |
3809 match(RegFlags); | |
3810 | |
3811 format %{ "xcc_L" %} | |
3812 interface(REG_INTER); | |
3813 %} | |
3814 | |
3815 // Condition Code Register, floating comparisons, unordered same as "less". | |
3816 operand flagsRegF() %{ | |
3817 constraint(ALLOC_IN_RC(float_flags)); | |
3818 match(RegFlags); | |
3819 match(flagsRegF0); | |
3820 | |
3821 format %{ %} | |
3822 interface(REG_INTER); | |
3823 %} | |
3824 | |
3825 operand flagsRegF0() %{ | |
3826 constraint(ALLOC_IN_RC(float_flag0)); | |
3827 match(RegFlags); | |
3828 | |
3829 format %{ %} | |
3830 interface(REG_INTER); | |
3831 %} | |
3832 | |
3833 | |
3834 // Condition Code Flag Register used by long compare | |
3835 operand flagsReg_long_LTGE() %{ | |
3836 constraint(ALLOC_IN_RC(int_flags)); | |
3837 match(RegFlags); | |
3838 format %{ "icc_LTGE" %} | |
3839 interface(REG_INTER); | |
3840 %} | |
3841 operand flagsReg_long_EQNE() %{ | |
3842 constraint(ALLOC_IN_RC(int_flags)); | |
3843 match(RegFlags); | |
3844 format %{ "icc_EQNE" %} | |
3845 interface(REG_INTER); | |
3846 %} | |
3847 operand flagsReg_long_LEGT() %{ | |
3848 constraint(ALLOC_IN_RC(int_flags)); | |
3849 match(RegFlags); | |
3850 format %{ "icc_LEGT" %} | |
3851 interface(REG_INTER); | |
3852 %} | |
3853 | |
3854 | |
3855 operand regD() %{ | |
3856 constraint(ALLOC_IN_RC(dflt_reg)); | |
3857 match(RegD); | |
3858 | |
3859 format %{ %} | |
3860 interface(REG_INTER); | |
3861 %} | |
3862 | |
3863 operand regF() %{ | |
3864 constraint(ALLOC_IN_RC(sflt_reg)); | |
3865 match(RegF); | |
3866 | |
3867 format %{ %} | |
3868 interface(REG_INTER); | |
3869 %} | |
3870 | |
3871 operand regD_low() %{ | |
3872 constraint(ALLOC_IN_RC(dflt_low_reg)); | |
3873 match(RegD); | |
3874 | |
3875 format %{ %} | |
3876 interface(REG_INTER); | |
3877 %} | |
3878 | |
3879 // Special Registers | |
3880 | |
3881 // Method Register | |
3882 operand inline_cache_regP(iRegP reg) %{ | |
3883 constraint(ALLOC_IN_RC(g5_regP)); // G5=inline_cache_reg but uses 2 bits instead of 1 | |
3884 match(reg); | |
3885 format %{ %} | |
3886 interface(REG_INTER); | |
3887 %} | |
3888 | |
3889 operand interpreter_method_oop_regP(iRegP reg) %{ | |
3890 constraint(ALLOC_IN_RC(g5_regP)); // G5=interpreter_method_oop_reg but uses 2 bits instead of 1 | |
3891 match(reg); | |
3892 format %{ %} | |
3893 interface(REG_INTER); | |
3894 %} | |
3895 | |
3896 | |
3897 //----------Complex Operands--------------------------------------------------- | |
3898 // Indirect Memory Reference | |
3899 operand indirect(sp_ptr_RegP reg) %{ | |
3900 constraint(ALLOC_IN_RC(sp_ptr_reg)); | |
3901 match(reg); | |
3902 | |
3903 op_cost(100); | |
3904 format %{ "[$reg]" %} | |
3905 interface(MEMORY_INTER) %{ | |
3906 base($reg); | |
3907 index(0x0); | |
3908 scale(0x0); | |
3909 disp(0x0); | |
3910 %} | |
3911 %} | |
3912 | |
3913 // Indirect with Offset | |
3914 operand indOffset13(sp_ptr_RegP reg, immX13 offset) %{ | |
3915 constraint(ALLOC_IN_RC(sp_ptr_reg)); | |
3916 match(AddP reg offset); | |
3917 | |
3918 op_cost(100); | |
3919 format %{ "[$reg + $offset]" %} | |
3920 interface(MEMORY_INTER) %{ | |
3921 base($reg); | |
3922 index(0x0); | |
3923 scale(0x0); | |
3924 disp($offset); | |
3925 %} | |
3926 %} | |
3927 | |
3928 // Note: Intel has a swapped version also, like this: | |
3929 //operand indOffsetX(iRegI reg, immP offset) %{ | |
3930 // constraint(ALLOC_IN_RC(int_reg)); | |
3931 // match(AddP offset reg); | |
3932 // | |
3933 // op_cost(100); | |
3934 // format %{ "[$reg + $offset]" %} | |
3935 // interface(MEMORY_INTER) %{ | |
3936 // base($reg); | |
3937 // index(0x0); | |
3938 // scale(0x0); | |
3939 // disp($offset); | |
3940 // %} | |
3941 //%} | |
3942 //// However, it doesn't make sense for SPARC, since | |
3943 // we have no particularly good way to embed oops in | |
3944 // single instructions. | |
3945 | |
3946 // Indirect with Register Index | |
3947 operand indIndex(iRegP addr, iRegX index) %{ | |
3948 constraint(ALLOC_IN_RC(ptr_reg)); | |
3949 match(AddP addr index); | |
3950 | |
3951 op_cost(100); | |
3952 format %{ "[$addr + $index]" %} | |
3953 interface(MEMORY_INTER) %{ | |
3954 base($addr); | |
3955 index($index); | |
3956 scale(0x0); | |
3957 disp(0x0); | |
3958 %} | |
3959 %} | |
3960 | |
3961 //----------Special Memory Operands-------------------------------------------- | |
3962 // Stack Slot Operand - This operand is used for loading and storing temporary | |
3963 // values on the stack where a match requires a value to | |
3964 // flow through memory. | |
3965 operand stackSlotI(sRegI reg) %{ | |
3966 constraint(ALLOC_IN_RC(stack_slots)); | |
3967 op_cost(100); | |
3968 //match(RegI); | |
3969 format %{ "[$reg]" %} | |
3970 interface(MEMORY_INTER) %{ | |
3971 base(0xE); // R_SP | |
3972 index(0x0); | |
3973 scale(0x0); | |
3974 disp($reg); // Stack Offset | |
3975 %} | |
3976 %} | |
3977 | |
3978 operand stackSlotP(sRegP reg) %{ | |
3979 constraint(ALLOC_IN_RC(stack_slots)); | |
3980 op_cost(100); | |
3981 //match(RegP); | |
3982 format %{ "[$reg]" %} | |
3983 interface(MEMORY_INTER) %{ | |
3984 base(0xE); // R_SP | |
3985 index(0x0); | |
3986 scale(0x0); | |
3987 disp($reg); // Stack Offset | |
3988 %} | |
3989 %} | |
3990 | |
3991 operand stackSlotF(sRegF reg) %{ | |
3992 constraint(ALLOC_IN_RC(stack_slots)); | |
3993 op_cost(100); | |
3994 //match(RegF); | |
3995 format %{ "[$reg]" %} | |
3996 interface(MEMORY_INTER) %{ | |
3997 base(0xE); // R_SP | |
3998 index(0x0); | |
3999 scale(0x0); | |
4000 disp($reg); // Stack Offset | |
4001 %} | |
4002 %} | |
4003 operand stackSlotD(sRegD reg) %{ | |
4004 constraint(ALLOC_IN_RC(stack_slots)); | |
4005 op_cost(100); | |
4006 //match(RegD); | |
4007 format %{ "[$reg]" %} | |
4008 interface(MEMORY_INTER) %{ | |
4009 base(0xE); // R_SP | |
4010 index(0x0); | |
4011 scale(0x0); | |
4012 disp($reg); // Stack Offset | |
4013 %} | |
4014 %} | |
4015 operand stackSlotL(sRegL reg) %{ | |
4016 constraint(ALLOC_IN_RC(stack_slots)); | |
4017 op_cost(100); | |
4018 //match(RegL); | |
4019 format %{ "[$reg]" %} | |
4020 interface(MEMORY_INTER) %{ | |
4021 base(0xE); // R_SP | |
4022 index(0x0); | |
4023 scale(0x0); | |
4024 disp($reg); // Stack Offset | |
4025 %} | |
4026 %} | |
4027 | |
4028 // Operands for expressing Control Flow | |
4029 // NOTE: Label is a predefined operand which should not be redefined in | |
4030 // the AD file. It is generically handled within the ADLC. | |
4031 | |
4032 //----------Conditional Branch Operands---------------------------------------- | |
4033 // Comparison Op - This is the operation of the comparison, and is limited to | |
4034 // the following set of codes: | |
4035 // L (<), LE (<=), G (>), GE (>=), E (==), NE (!=) | |
4036 // | |
4037 // Other attributes of the comparison, such as unsignedness, are specified | |
4038 // by the comparison instruction that sets a condition code flags register. | |
4039 // That result is represented by a flags operand whose subtype is appropriate | |
4040 // to the unsignedness (etc.) of the comparison. | |
4041 // | |
4042 // Later, the instruction which matches both the Comparison Op (a Bool) and | |
4043 // the flags (produced by the Cmp) specifies the coding of the comparison op | |
4044 // by matching a specific subtype of Bool operand below, such as cmpOpU. | |
4045 | |
4046 operand cmpOp() %{ | |
4047 match(Bool); | |
4048 | |
4049 format %{ "" %} | |
4050 interface(COND_INTER) %{ | |
4051 equal(0x1); | |
4052 not_equal(0x9); | |
4053 less(0x3); | |
4054 greater_equal(0xB); | |
4055 less_equal(0x2); | |
4056 greater(0xA); | |
4057 %} | |
4058 %} | |
4059 | |
4060 // Comparison Op, unsigned | |
4061 operand cmpOpU() %{ | |
4062 match(Bool); | |
4063 | |
4064 format %{ "u" %} | |
4065 interface(COND_INTER) %{ | |
4066 equal(0x1); | |
4067 not_equal(0x9); | |
4068 less(0x5); | |
4069 greater_equal(0xD); | |
4070 less_equal(0x4); | |
4071 greater(0xC); | |
4072 %} | |
4073 %} | |
4074 | |
4075 // Comparison Op, pointer (same as unsigned) | |
4076 operand cmpOpP() %{ | |
4077 match(Bool); | |
4078 | |
4079 format %{ "p" %} | |
4080 interface(COND_INTER) %{ | |
4081 equal(0x1); | |
4082 not_equal(0x9); | |
4083 less(0x5); | |
4084 greater_equal(0xD); | |
4085 less_equal(0x4); | |
4086 greater(0xC); | |
4087 %} | |
4088 %} | |
4089 | |
4090 // Comparison Op, branch-register encoding | |
4091 operand cmpOp_reg() %{ | |
4092 match(Bool); | |
4093 | |
4094 format %{ "" %} | |
4095 interface(COND_INTER) %{ | |
4096 equal (0x1); | |
4097 not_equal (0x5); | |
4098 less (0x3); | |
4099 greater_equal(0x7); | |
4100 less_equal (0x2); | |
4101 greater (0x6); | |
4102 %} | |
4103 %} | |
4104 | |
4105 // Comparison Code, floating, unordered same as less | |
4106 operand cmpOpF() %{ | |
4107 match(Bool); | |
4108 | |
4109 format %{ "fl" %} | |
4110 interface(COND_INTER) %{ | |
4111 equal(0x9); | |
4112 not_equal(0x1); | |
4113 less(0x3); | |
4114 greater_equal(0xB); | |
4115 less_equal(0xE); | |
4116 greater(0x6); | |
4117 %} | |
4118 %} | |
4119 | |
4120 // Used by long compare | |
4121 operand cmpOp_commute() %{ | |
4122 match(Bool); | |
4123 | |
4124 format %{ "" %} | |
4125 interface(COND_INTER) %{ | |
4126 equal(0x1); | |
4127 not_equal(0x9); | |
4128 less(0xA); | |
4129 greater_equal(0x2); | |
4130 less_equal(0xB); | |
4131 greater(0x3); | |
4132 %} | |
4133 %} | |
4134 | |
4135 //----------OPERAND CLASSES---------------------------------------------------- | |
4136 // Operand Classes are groups of operands that are used to simplify | |
4137 // instruction definitions by not requiring the AD writer to specify seperate | |
4138 // instructions for every form of operand when the instruction accepts | |
4139 // multiple operand types with the same basic encoding and format. The classic | |
4140 // case of this is memory operands. | |
4141 // Indirect is not included since its use is limited to Compare & Swap | |
4142 opclass memory( indirect, indOffset13, indIndex ); | |
4143 | |
4144 //----------PIPELINE----------------------------------------------------------- | |
4145 pipeline %{ | |
4146 | |
4147 //----------ATTRIBUTES--------------------------------------------------------- | |
4148 attributes %{ | |
4149 fixed_size_instructions; // Fixed size instructions | |
4150 branch_has_delay_slot; // Branch has delay slot following | |
4151 max_instructions_per_bundle = 4; // Up to 4 instructions per bundle | |
4152 instruction_unit_size = 4; // An instruction is 4 bytes long | |
4153 instruction_fetch_unit_size = 16; // The processor fetches one line | |
4154 instruction_fetch_units = 1; // of 16 bytes | |
4155 | |
4156 // List of nop instructions | |
4157 nops( Nop_A0, Nop_A1, Nop_MS, Nop_FA, Nop_BR ); | |
4158 %} | |
4159 | |
4160 //----------RESOURCES---------------------------------------------------------- | |
4161 // Resources are the functional units available to the machine | |
4162 resources(A0, A1, MS, BR, FA, FM, IDIV, FDIV, IALU = A0 | A1); | |
4163 | |
4164 //----------PIPELINE DESCRIPTION----------------------------------------------- | |
4165 // Pipeline Description specifies the stages in the machine's pipeline | |
4166 | |
4167 pipe_desc(A, P, F, B, I, J, S, R, E, C, M, W, X, T, D); | |
4168 | |
4169 //----------PIPELINE CLASSES--------------------------------------------------- | |
4170 // Pipeline Classes describe the stages in which input and output are | |
4171 // referenced by the hardware pipeline. | |
4172 | |
4173 // Integer ALU reg-reg operation | |
4174 pipe_class ialu_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
4175 single_instruction; | |
4176 dst : E(write); | |
4177 src1 : R(read); | |
4178 src2 : R(read); | |
4179 IALU : R; | |
4180 %} | |
4181 | |
4182 // Integer ALU reg-reg long operation | |
4183 pipe_class ialu_reg_reg_2(iRegL dst, iRegL src1, iRegL src2) %{ | |
4184 instruction_count(2); | |
4185 dst : E(write); | |
4186 src1 : R(read); | |
4187 src2 : R(read); | |
4188 IALU : R; | |
4189 IALU : R; | |
4190 %} | |
4191 | |
4192 // Integer ALU reg-reg long dependent operation | |
4193 pipe_class ialu_reg_reg_2_dep(iRegL dst, iRegL src1, iRegL src2, flagsReg cr) %{ | |
4194 instruction_count(1); multiple_bundles; | |
4195 dst : E(write); | |
4196 src1 : R(read); | |
4197 src2 : R(read); | |
4198 cr : E(write); | |
4199 IALU : R(2); | |
4200 %} | |
4201 | |
4202 // Integer ALU reg-imm operaion | |
4203 pipe_class ialu_reg_imm(iRegI dst, iRegI src1, immI13 src2) %{ | |
4204 single_instruction; | |
4205 dst : E(write); | |
4206 src1 : R(read); | |
4207 IALU : R; | |
4208 %} | |
4209 | |
4210 // Integer ALU reg-reg operation with condition code | |
4211 pipe_class ialu_cc_reg_reg(iRegI dst, iRegI src1, iRegI src2, flagsReg cr) %{ | |
4212 single_instruction; | |
4213 dst : E(write); | |
4214 cr : E(write); | |
4215 src1 : R(read); | |
4216 src2 : R(read); | |
4217 IALU : R; | |
4218 %} | |
4219 | |
4220 // Integer ALU reg-imm operation with condition code | |
4221 pipe_class ialu_cc_reg_imm(iRegI dst, iRegI src1, immI13 src2, flagsReg cr) %{ | |
4222 single_instruction; | |
4223 dst : E(write); | |
4224 cr : E(write); | |
4225 src1 : R(read); | |
4226 IALU : R; | |
4227 %} | |
4228 | |
4229 // Integer ALU zero-reg operation | |
4230 pipe_class ialu_zero_reg(iRegI dst, immI0 zero, iRegI src2) %{ | |
4231 single_instruction; | |
4232 dst : E(write); | |
4233 src2 : R(read); | |
4234 IALU : R; | |
4235 %} | |
4236 | |
4237 // Integer ALU zero-reg operation with condition code only | |
4238 pipe_class ialu_cconly_zero_reg(flagsReg cr, iRegI src) %{ | |
4239 single_instruction; | |
4240 cr : E(write); | |
4241 src : R(read); | |
4242 IALU : R; | |
4243 %} | |
4244 | |
4245 // Integer ALU reg-reg operation with condition code only | |
4246 pipe_class ialu_cconly_reg_reg(flagsReg cr, iRegI src1, iRegI src2) %{ | |
4247 single_instruction; | |
4248 cr : E(write); | |
4249 src1 : R(read); | |
4250 src2 : R(read); | |
4251 IALU : R; | |
4252 %} | |
4253 | |
4254 // Integer ALU reg-imm operation with condition code only | |
4255 pipe_class ialu_cconly_reg_imm(flagsReg cr, iRegI src1, immI13 src2) %{ | |
4256 single_instruction; | |
4257 cr : E(write); | |
4258 src1 : R(read); | |
4259 IALU : R; | |
4260 %} | |
4261 | |
4262 // Integer ALU reg-reg-zero operation with condition code only | |
4263 pipe_class ialu_cconly_reg_reg_zero(flagsReg cr, iRegI src1, iRegI src2, immI0 zero) %{ | |
4264 single_instruction; | |
4265 cr : E(write); | |
4266 src1 : R(read); | |
4267 src2 : R(read); | |
4268 IALU : R; | |
4269 %} | |
4270 | |
4271 // Integer ALU reg-imm-zero operation with condition code only | |
4272 pipe_class ialu_cconly_reg_imm_zero(flagsReg cr, iRegI src1, immI13 src2, immI0 zero) %{ | |
4273 single_instruction; | |
4274 cr : E(write); | |
4275 src1 : R(read); | |
4276 IALU : R; | |
4277 %} | |
4278 | |
4279 // Integer ALU reg-reg operation with condition code, src1 modified | |
4280 pipe_class ialu_cc_rwreg_reg(flagsReg cr, iRegI src1, iRegI src2) %{ | |
4281 single_instruction; | |
4282 cr : E(write); | |
4283 src1 : E(write); | |
4284 src1 : R(read); | |
4285 src2 : R(read); | |
4286 IALU : R; | |
4287 %} | |
4288 | |
4289 // Integer ALU reg-imm operation with condition code, src1 modified | |
4290 pipe_class ialu_cc_rwreg_imm(flagsReg cr, iRegI src1, immI13 src2) %{ | |
4291 single_instruction; | |
4292 cr : E(write); | |
4293 src1 : E(write); | |
4294 src1 : R(read); | |
4295 IALU : R; | |
4296 %} | |
4297 | |
4298 pipe_class cmpL_reg(iRegI dst, iRegL src1, iRegL src2, flagsReg cr ) %{ | |
4299 multiple_bundles; | |
4300 dst : E(write)+4; | |
4301 cr : E(write); | |
4302 src1 : R(read); | |
4303 src2 : R(read); | |
4304 IALU : R(3); | |
4305 BR : R(2); | |
4306 %} | |
4307 | |
4308 // Integer ALU operation | |
4309 pipe_class ialu_none(iRegI dst) %{ | |
4310 single_instruction; | |
4311 dst : E(write); | |
4312 IALU : R; | |
4313 %} | |
4314 | |
4315 // Integer ALU reg operation | |
4316 pipe_class ialu_reg(iRegI dst, iRegI src) %{ | |
4317 single_instruction; may_have_no_code; | |
4318 dst : E(write); | |
4319 src : R(read); | |
4320 IALU : R; | |
4321 %} | |
4322 | |
4323 // Integer ALU reg conditional operation | |
4324 // This instruction has a 1 cycle stall, and cannot execute | |
4325 // in the same cycle as the instruction setting the condition | |
4326 // code. We kludge this by pretending to read the condition code | |
4327 // 1 cycle earlier, and by marking the functional units as busy | |
4328 // for 2 cycles with the result available 1 cycle later than | |
4329 // is really the case. | |
4330 pipe_class ialu_reg_flags( iRegI op2_out, iRegI op2_in, iRegI op1, flagsReg cr ) %{ | |
4331 single_instruction; | |
4332 op2_out : C(write); | |
4333 op1 : R(read); | |
4334 cr : R(read); // This is really E, with a 1 cycle stall | |
4335 BR : R(2); | |
4336 MS : R(2); | |
4337 %} | |
4338 | |
4339 #ifdef _LP64 | |
4340 pipe_class ialu_clr_and_mover( iRegI dst, iRegP src ) %{ | |
4341 instruction_count(1); multiple_bundles; | |
4342 dst : C(write)+1; | |
4343 src : R(read)+1; | |
4344 IALU : R(1); | |
4345 BR : E(2); | |
4346 MS : E(2); | |
4347 %} | |
4348 #endif | |
4349 | |
4350 // Integer ALU reg operation | |
4351 pipe_class ialu_move_reg_L_to_I(iRegI dst, iRegL src) %{ | |
4352 single_instruction; may_have_no_code; | |
4353 dst : E(write); | |
4354 src : R(read); | |
4355 IALU : R; | |
4356 %} | |
4357 pipe_class ialu_move_reg_I_to_L(iRegL dst, iRegI src) %{ | |
4358 single_instruction; may_have_no_code; | |
4359 dst : E(write); | |
4360 src : R(read); | |
4361 IALU : R; | |
4362 %} | |
4363 | |
4364 // Two integer ALU reg operations | |
4365 pipe_class ialu_reg_2(iRegL dst, iRegL src) %{ | |
4366 instruction_count(2); | |
4367 dst : E(write); | |
4368 src : R(read); | |
4369 A0 : R; | |
4370 A1 : R; | |
4371 %} | |
4372 | |
4373 // Two integer ALU reg operations | |
4374 pipe_class ialu_move_reg_L_to_L(iRegL dst, iRegL src) %{ | |
4375 instruction_count(2); may_have_no_code; | |
4376 dst : E(write); | |
4377 src : R(read); | |
4378 A0 : R; | |
4379 A1 : R; | |
4380 %} | |
4381 | |
4382 // Integer ALU imm operation | |
4383 pipe_class ialu_imm(iRegI dst, immI13 src) %{ | |
4384 single_instruction; | |
4385 dst : E(write); | |
4386 IALU : R; | |
4387 %} | |
4388 | |
4389 // Integer ALU reg-reg with carry operation | |
4390 pipe_class ialu_reg_reg_cy(iRegI dst, iRegI src1, iRegI src2, iRegI cy) %{ | |
4391 single_instruction; | |
4392 dst : E(write); | |
4393 src1 : R(read); | |
4394 src2 : R(read); | |
4395 IALU : R; | |
4396 %} | |
4397 | |
4398 // Integer ALU cc operation | |
4399 pipe_class ialu_cc(iRegI dst, flagsReg cc) %{ | |
4400 single_instruction; | |
4401 dst : E(write); | |
4402 cc : R(read); | |
4403 IALU : R; | |
4404 %} | |
4405 | |
4406 // Integer ALU cc / second IALU operation | |
4407 pipe_class ialu_reg_ialu( iRegI dst, iRegI src ) %{ | |
4408 instruction_count(1); multiple_bundles; | |
4409 dst : E(write)+1; | |
4410 src : R(read); | |
4411 IALU : R; | |
4412 %} | |
4413 | |
4414 // Integer ALU cc / second IALU operation | |
4415 pipe_class ialu_reg_reg_ialu( iRegI dst, iRegI p, iRegI q ) %{ | |
4416 instruction_count(1); multiple_bundles; | |
4417 dst : E(write)+1; | |
4418 p : R(read); | |
4419 q : R(read); | |
4420 IALU : R; | |
4421 %} | |
4422 | |
4423 // Integer ALU hi-lo-reg operation | |
4424 pipe_class ialu_hi_lo_reg(iRegI dst, immI src) %{ | |
4425 instruction_count(1); multiple_bundles; | |
4426 dst : E(write)+1; | |
4427 IALU : R(2); | |
4428 %} | |
4429 | |
4430 // Float ALU hi-lo-reg operation (with temp) | |
4431 pipe_class ialu_hi_lo_reg_temp(regF dst, immF src, g3RegP tmp) %{ | |
4432 instruction_count(1); multiple_bundles; | |
4433 dst : E(write)+1; | |
4434 IALU : R(2); | |
4435 %} | |
4436 | |
4437 // Long Constant | |
4438 pipe_class loadConL( iRegL dst, immL src ) %{ | |
4439 instruction_count(2); multiple_bundles; | |
4440 dst : E(write)+1; | |
4441 IALU : R(2); | |
4442 IALU : R(2); | |
4443 %} | |
4444 | |
4445 // Pointer Constant | |
4446 pipe_class loadConP( iRegP dst, immP src ) %{ | |
4447 instruction_count(0); multiple_bundles; | |
4448 fixed_latency(6); | |
4449 %} | |
4450 | |
4451 // Polling Address | |
4452 pipe_class loadConP_poll( iRegP dst, immP_poll src ) %{ | |
4453 #ifdef _LP64 | |
4454 instruction_count(0); multiple_bundles; | |
4455 fixed_latency(6); | |
4456 #else | |
4457 dst : E(write); | |
4458 IALU : R; | |
4459 #endif | |
4460 %} | |
4461 | |
4462 // Long Constant small | |
4463 pipe_class loadConLlo( iRegL dst, immL src ) %{ | |
4464 instruction_count(2); | |
4465 dst : E(write); | |
4466 IALU : R; | |
4467 IALU : R; | |
4468 %} | |
4469 | |
4470 // [PHH] This is wrong for 64-bit. See LdImmF/D. | |
4471 pipe_class loadConFD(regF dst, immF src, g3RegP tmp) %{ | |
4472 instruction_count(1); multiple_bundles; | |
4473 src : R(read); | |
4474 dst : M(write)+1; | |
4475 IALU : R; | |
4476 MS : E; | |
4477 %} | |
4478 | |
4479 // Integer ALU nop operation | |
4480 pipe_class ialu_nop() %{ | |
4481 single_instruction; | |
4482 IALU : R; | |
4483 %} | |
4484 | |
4485 // Integer ALU nop operation | |
4486 pipe_class ialu_nop_A0() %{ | |
4487 single_instruction; | |
4488 A0 : R; | |
4489 %} | |
4490 | |
4491 // Integer ALU nop operation | |
4492 pipe_class ialu_nop_A1() %{ | |
4493 single_instruction; | |
4494 A1 : R; | |
4495 %} | |
4496 | |
4497 // Integer Multiply reg-reg operation | |
4498 pipe_class imul_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
4499 single_instruction; | |
4500 dst : E(write); | |
4501 src1 : R(read); | |
4502 src2 : R(read); | |
4503 MS : R(5); | |
4504 %} | |
4505 | |
4506 // Integer Multiply reg-imm operation | |
4507 pipe_class imul_reg_imm(iRegI dst, iRegI src1, immI13 src2) %{ | |
4508 single_instruction; | |
4509 dst : E(write); | |
4510 src1 : R(read); | |
4511 MS : R(5); | |
4512 %} | |
4513 | |
4514 pipe_class mulL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
4515 single_instruction; | |
4516 dst : E(write)+4; | |
4517 src1 : R(read); | |
4518 src2 : R(read); | |
4519 MS : R(6); | |
4520 %} | |
4521 | |
4522 pipe_class mulL_reg_imm(iRegL dst, iRegL src1, immL13 src2) %{ | |
4523 single_instruction; | |
4524 dst : E(write)+4; | |
4525 src1 : R(read); | |
4526 MS : R(6); | |
4527 %} | |
4528 | |
4529 // Integer Divide reg-reg | |
4530 pipe_class sdiv_reg_reg(iRegI dst, iRegI src1, iRegI src2, iRegI temp, flagsReg cr) %{ | |
4531 instruction_count(1); multiple_bundles; | |
4532 dst : E(write); | |
4533 temp : E(write); | |
4534 src1 : R(read); | |
4535 src2 : R(read); | |
4536 temp : R(read); | |
4537 MS : R(38); | |
4538 %} | |
4539 | |
4540 // Integer Divide reg-imm | |
4541 pipe_class sdiv_reg_imm(iRegI dst, iRegI src1, immI13 src2, iRegI temp, flagsReg cr) %{ | |
4542 instruction_count(1); multiple_bundles; | |
4543 dst : E(write); | |
4544 temp : E(write); | |
4545 src1 : R(read); | |
4546 temp : R(read); | |
4547 MS : R(38); | |
4548 %} | |
4549 | |
4550 // Long Divide | |
4551 pipe_class divL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
4552 dst : E(write)+71; | |
4553 src1 : R(read); | |
4554 src2 : R(read)+1; | |
4555 MS : R(70); | |
4556 %} | |
4557 | |
4558 pipe_class divL_reg_imm(iRegL dst, iRegL src1, immL13 src2) %{ | |
4559 dst : E(write)+71; | |
4560 src1 : R(read); | |
4561 MS : R(70); | |
4562 %} | |
4563 | |
4564 // Floating Point Add Float | |
4565 pipe_class faddF_reg_reg(regF dst, regF src1, regF src2) %{ | |
4566 single_instruction; | |
4567 dst : X(write); | |
4568 src1 : E(read); | |
4569 src2 : E(read); | |
4570 FA : R; | |
4571 %} | |
4572 | |
4573 // Floating Point Add Double | |
4574 pipe_class faddD_reg_reg(regD dst, regD src1, regD src2) %{ | |
4575 single_instruction; | |
4576 dst : X(write); | |
4577 src1 : E(read); | |
4578 src2 : E(read); | |
4579 FA : R; | |
4580 %} | |
4581 | |
4582 // Floating Point Conditional Move based on integer flags | |
4583 pipe_class int_conditional_float_move (cmpOp cmp, flagsReg cr, regF dst, regF src) %{ | |
4584 single_instruction; | |
4585 dst : X(write); | |
4586 src : E(read); | |
4587 cr : R(read); | |
4588 FA : R(2); | |
4589 BR : R(2); | |
4590 %} | |
4591 | |
4592 // Floating Point Conditional Move based on integer flags | |
4593 pipe_class int_conditional_double_move (cmpOp cmp, flagsReg cr, regD dst, regD src) %{ | |
4594 single_instruction; | |
4595 dst : X(write); | |
4596 src : E(read); | |
4597 cr : R(read); | |
4598 FA : R(2); | |
4599 BR : R(2); | |
4600 %} | |
4601 | |
4602 // Floating Point Multiply Float | |
4603 pipe_class fmulF_reg_reg(regF dst, regF src1, regF src2) %{ | |
4604 single_instruction; | |
4605 dst : X(write); | |
4606 src1 : E(read); | |
4607 src2 : E(read); | |
4608 FM : R; | |
4609 %} | |
4610 | |
4611 // Floating Point Multiply Double | |
4612 pipe_class fmulD_reg_reg(regD dst, regD src1, regD src2) %{ | |
4613 single_instruction; | |
4614 dst : X(write); | |
4615 src1 : E(read); | |
4616 src2 : E(read); | |
4617 FM : R; | |
4618 %} | |
4619 | |
4620 // Floating Point Divide Float | |
4621 pipe_class fdivF_reg_reg(regF dst, regF src1, regF src2) %{ | |
4622 single_instruction; | |
4623 dst : X(write); | |
4624 src1 : E(read); | |
4625 src2 : E(read); | |
4626 FM : R; | |
4627 FDIV : C(14); | |
4628 %} | |
4629 | |
4630 // Floating Point Divide Double | |
4631 pipe_class fdivD_reg_reg(regD dst, regD src1, regD src2) %{ | |
4632 single_instruction; | |
4633 dst : X(write); | |
4634 src1 : E(read); | |
4635 src2 : E(read); | |
4636 FM : R; | |
4637 FDIV : C(17); | |
4638 %} | |
4639 | |
4640 // Floating Point Move/Negate/Abs Float | |
4641 pipe_class faddF_reg(regF dst, regF src) %{ | |
4642 single_instruction; | |
4643 dst : W(write); | |
4644 src : E(read); | |
4645 FA : R(1); | |
4646 %} | |
4647 | |
4648 // Floating Point Move/Negate/Abs Double | |
4649 pipe_class faddD_reg(regD dst, regD src) %{ | |
4650 single_instruction; | |
4651 dst : W(write); | |
4652 src : E(read); | |
4653 FA : R; | |
4654 %} | |
4655 | |
4656 // Floating Point Convert F->D | |
4657 pipe_class fcvtF2D(regD dst, regF src) %{ | |
4658 single_instruction; | |
4659 dst : X(write); | |
4660 src : E(read); | |
4661 FA : R; | |
4662 %} | |
4663 | |
4664 // Floating Point Convert I->D | |
4665 pipe_class fcvtI2D(regD dst, regF src) %{ | |
4666 single_instruction; | |
4667 dst : X(write); | |
4668 src : E(read); | |
4669 FA : R; | |
4670 %} | |
4671 | |
4672 // Floating Point Convert LHi->D | |
4673 pipe_class fcvtLHi2D(regD dst, regD src) %{ | |
4674 single_instruction; | |
4675 dst : X(write); | |
4676 src : E(read); | |
4677 FA : R; | |
4678 %} | |
4679 | |
4680 // Floating Point Convert L->D | |
4681 pipe_class fcvtL2D(regD dst, regF src) %{ | |
4682 single_instruction; | |
4683 dst : X(write); | |
4684 src : E(read); | |
4685 FA : R; | |
4686 %} | |
4687 | |
4688 // Floating Point Convert L->F | |
4689 pipe_class fcvtL2F(regD dst, regF src) %{ | |
4690 single_instruction; | |
4691 dst : X(write); | |
4692 src : E(read); | |
4693 FA : R; | |
4694 %} | |
4695 | |
4696 // Floating Point Convert D->F | |
4697 pipe_class fcvtD2F(regD dst, regF src) %{ | |
4698 single_instruction; | |
4699 dst : X(write); | |
4700 src : E(read); | |
4701 FA : R; | |
4702 %} | |
4703 | |
4704 // Floating Point Convert I->L | |
4705 pipe_class fcvtI2L(regD dst, regF src) %{ | |
4706 single_instruction; | |
4707 dst : X(write); | |
4708 src : E(read); | |
4709 FA : R; | |
4710 %} | |
4711 | |
4712 // Floating Point Convert D->F | |
4713 pipe_class fcvtD2I(regF dst, regD src, flagsReg cr) %{ | |
4714 instruction_count(1); multiple_bundles; | |
4715 dst : X(write)+6; | |
4716 src : E(read); | |
4717 FA : R; | |
4718 %} | |
4719 | |
4720 // Floating Point Convert D->L | |
4721 pipe_class fcvtD2L(regD dst, regD src, flagsReg cr) %{ | |
4722 instruction_count(1); multiple_bundles; | |
4723 dst : X(write)+6; | |
4724 src : E(read); | |
4725 FA : R; | |
4726 %} | |
4727 | |
4728 // Floating Point Convert F->I | |
4729 pipe_class fcvtF2I(regF dst, regF src, flagsReg cr) %{ | |
4730 instruction_count(1); multiple_bundles; | |
4731 dst : X(write)+6; | |
4732 src : E(read); | |
4733 FA : R; | |
4734 %} | |
4735 | |
4736 // Floating Point Convert F->L | |
4737 pipe_class fcvtF2L(regD dst, regF src, flagsReg cr) %{ | |
4738 instruction_count(1); multiple_bundles; | |
4739 dst : X(write)+6; | |
4740 src : E(read); | |
4741 FA : R; | |
4742 %} | |
4743 | |
4744 // Floating Point Convert I->F | |
4745 pipe_class fcvtI2F(regF dst, regF src) %{ | |
4746 single_instruction; | |
4747 dst : X(write); | |
4748 src : E(read); | |
4749 FA : R; | |
4750 %} | |
4751 | |
4752 // Floating Point Compare | |
4753 pipe_class faddF_fcc_reg_reg_zero(flagsRegF cr, regF src1, regF src2, immI0 zero) %{ | |
4754 single_instruction; | |
4755 cr : X(write); | |
4756 src1 : E(read); | |
4757 src2 : E(read); | |
4758 FA : R; | |
4759 %} | |
4760 | |
4761 // Floating Point Compare | |
4762 pipe_class faddD_fcc_reg_reg_zero(flagsRegF cr, regD src1, regD src2, immI0 zero) %{ | |
4763 single_instruction; | |
4764 cr : X(write); | |
4765 src1 : E(read); | |
4766 src2 : E(read); | |
4767 FA : R; | |
4768 %} | |
4769 | |
4770 // Floating Add Nop | |
4771 pipe_class fadd_nop() %{ | |
4772 single_instruction; | |
4773 FA : R; | |
4774 %} | |
4775 | |
4776 // Integer Store to Memory | |
4777 pipe_class istore_mem_reg(memory mem, iRegI src) %{ | |
4778 single_instruction; | |
4779 mem : R(read); | |
4780 src : C(read); | |
4781 MS : R; | |
4782 %} | |
4783 | |
4784 // Integer Store to Memory | |
4785 pipe_class istore_mem_spORreg(memory mem, sp_ptr_RegP src) %{ | |
4786 single_instruction; | |
4787 mem : R(read); | |
4788 src : C(read); | |
4789 MS : R; | |
4790 %} | |
4791 | |
4792 // Integer Store Zero to Memory | |
4793 pipe_class istore_mem_zero(memory mem, immI0 src) %{ | |
4794 single_instruction; | |
4795 mem : R(read); | |
4796 MS : R; | |
4797 %} | |
4798 | |
4799 // Special Stack Slot Store | |
4800 pipe_class istore_stk_reg(stackSlotI stkSlot, iRegI src) %{ | |
4801 single_instruction; | |
4802 stkSlot : R(read); | |
4803 src : C(read); | |
4804 MS : R; | |
4805 %} | |
4806 | |
4807 // Special Stack Slot Store | |
4808 pipe_class lstoreI_stk_reg(stackSlotL stkSlot, iRegI src) %{ | |
4809 instruction_count(2); multiple_bundles; | |
4810 stkSlot : R(read); | |
4811 src : C(read); | |
4812 MS : R(2); | |
4813 %} | |
4814 | |
4815 // Float Store | |
4816 pipe_class fstoreF_mem_reg(memory mem, RegF src) %{ | |
4817 single_instruction; | |
4818 mem : R(read); | |
4819 src : C(read); | |
4820 MS : R; | |
4821 %} | |
4822 | |
4823 // Float Store | |
4824 pipe_class fstoreF_mem_zero(memory mem, immF0 src) %{ | |
4825 single_instruction; | |
4826 mem : R(read); | |
4827 MS : R; | |
4828 %} | |
4829 | |
4830 // Double Store | |
4831 pipe_class fstoreD_mem_reg(memory mem, RegD src) %{ | |
4832 instruction_count(1); | |
4833 mem : R(read); | |
4834 src : C(read); | |
4835 MS : R; | |
4836 %} | |
4837 | |
4838 // Double Store | |
4839 pipe_class fstoreD_mem_zero(memory mem, immD0 src) %{ | |
4840 single_instruction; | |
4841 mem : R(read); | |
4842 MS : R; | |
4843 %} | |
4844 | |
4845 // Special Stack Slot Float Store | |
4846 pipe_class fstoreF_stk_reg(stackSlotI stkSlot, RegF src) %{ | |
4847 single_instruction; | |
4848 stkSlot : R(read); | |
4849 src : C(read); | |
4850 MS : R; | |
4851 %} | |
4852 | |
4853 // Special Stack Slot Double Store | |
4854 pipe_class fstoreD_stk_reg(stackSlotI stkSlot, RegD src) %{ | |
4855 single_instruction; | |
4856 stkSlot : R(read); | |
4857 src : C(read); | |
4858 MS : R; | |
4859 %} | |
4860 | |
4861 // Integer Load (when sign bit propagation not needed) | |
4862 pipe_class iload_mem(iRegI dst, memory mem) %{ | |
4863 single_instruction; | |
4864 mem : R(read); | |
4865 dst : C(write); | |
4866 MS : R; | |
4867 %} | |
4868 | |
4869 // Integer Load from stack operand | |
4870 pipe_class iload_stkD(iRegI dst, stackSlotD mem ) %{ | |
4871 single_instruction; | |
4872 mem : R(read); | |
4873 dst : C(write); | |
4874 MS : R; | |
4875 %} | |
4876 | |
4877 // Integer Load (when sign bit propagation or masking is needed) | |
4878 pipe_class iload_mask_mem(iRegI dst, memory mem) %{ | |
4879 single_instruction; | |
4880 mem : R(read); | |
4881 dst : M(write); | |
4882 MS : R; | |
4883 %} | |
4884 | |
4885 // Float Load | |
4886 pipe_class floadF_mem(regF dst, memory mem) %{ | |
4887 single_instruction; | |
4888 mem : R(read); | |
4889 dst : M(write); | |
4890 MS : R; | |
4891 %} | |
4892 | |
4893 // Float Load | |
4894 pipe_class floadD_mem(regD dst, memory mem) %{ | |
4895 instruction_count(1); multiple_bundles; // Again, unaligned argument is only multiple case | |
4896 mem : R(read); | |
4897 dst : M(write); | |
4898 MS : R; | |
4899 %} | |
4900 | |
4901 // Float Load | |
4902 pipe_class floadF_stk(regF dst, stackSlotI stkSlot) %{ | |
4903 single_instruction; | |
4904 stkSlot : R(read); | |
4905 dst : M(write); | |
4906 MS : R; | |
4907 %} | |
4908 | |
4909 // Float Load | |
4910 pipe_class floadD_stk(regD dst, stackSlotI stkSlot) %{ | |
4911 single_instruction; | |
4912 stkSlot : R(read); | |
4913 dst : M(write); | |
4914 MS : R; | |
4915 %} | |
4916 | |
4917 // Memory Nop | |
4918 pipe_class mem_nop() %{ | |
4919 single_instruction; | |
4920 MS : R; | |
4921 %} | |
4922 | |
4923 pipe_class sethi(iRegP dst, immI src) %{ | |
4924 single_instruction; | |
4925 dst : E(write); | |
4926 IALU : R; | |
4927 %} | |
4928 | |
4929 pipe_class loadPollP(iRegP poll) %{ | |
4930 single_instruction; | |
4931 poll : R(read); | |
4932 MS : R; | |
4933 %} | |
4934 | |
4935 pipe_class br(Universe br, label labl) %{ | |
4936 single_instruction_with_delay_slot; | |
4937 BR : R; | |
4938 %} | |
4939 | |
4940 pipe_class br_cc(Universe br, cmpOp cmp, flagsReg cr, label labl) %{ | |
4941 single_instruction_with_delay_slot; | |
4942 cr : E(read); | |
4943 BR : R; | |
4944 %} | |
4945 | |
4946 pipe_class br_reg(Universe br, cmpOp cmp, iRegI op1, label labl) %{ | |
4947 single_instruction_with_delay_slot; | |
4948 op1 : E(read); | |
4949 BR : R; | |
4950 MS : R; | |
4951 %} | |
4952 | |
4953 pipe_class br_fcc(Universe br, cmpOpF cc, flagsReg cr, label labl) %{ | |
4954 single_instruction_with_delay_slot; | |
4955 cr : E(read); | |
4956 BR : R; | |
4957 %} | |
4958 | |
4959 pipe_class br_nop() %{ | |
4960 single_instruction; | |
4961 BR : R; | |
4962 %} | |
4963 | |
4964 pipe_class simple_call(method meth) %{ | |
4965 instruction_count(2); multiple_bundles; force_serialization; | |
4966 fixed_latency(100); | |
4967 BR : R(1); | |
4968 MS : R(1); | |
4969 A0 : R(1); | |
4970 %} | |
4971 | |
4972 pipe_class compiled_call(method meth) %{ | |
4973 instruction_count(1); multiple_bundles; force_serialization; | |
4974 fixed_latency(100); | |
4975 MS : R(1); | |
4976 %} | |
4977 | |
4978 pipe_class call(method meth) %{ | |
4979 instruction_count(0); multiple_bundles; force_serialization; | |
4980 fixed_latency(100); | |
4981 %} | |
4982 | |
4983 pipe_class tail_call(Universe ignore, label labl) %{ | |
4984 single_instruction; has_delay_slot; | |
4985 fixed_latency(100); | |
4986 BR : R(1); | |
4987 MS : R(1); | |
4988 %} | |
4989 | |
4990 pipe_class ret(Universe ignore) %{ | |
4991 single_instruction; has_delay_slot; | |
4992 BR : R(1); | |
4993 MS : R(1); | |
4994 %} | |
4995 | |
4996 pipe_class ret_poll(g3RegP poll) %{ | |
4997 instruction_count(3); has_delay_slot; | |
4998 poll : E(read); | |
4999 MS : R; | |
5000 %} | |
5001 | |
5002 // The real do-nothing guy | |
5003 pipe_class empty( ) %{ | |
5004 instruction_count(0); | |
5005 %} | |
5006 | |
5007 pipe_class long_memory_op() %{ | |
5008 instruction_count(0); multiple_bundles; force_serialization; | |
5009 fixed_latency(25); | |
5010 MS : R(1); | |
5011 %} | |
5012 | |
5013 // Check-cast | |
5014 pipe_class partial_subtype_check_pipe(Universe ignore, iRegP array, iRegP match ) %{ | |
5015 array : R(read); | |
5016 match : R(read); | |
5017 IALU : R(2); | |
5018 BR : R(2); | |
5019 MS : R; | |
5020 %} | |
5021 | |
5022 // Convert FPU flags into +1,0,-1 | |
5023 pipe_class floating_cmp( iRegI dst, regF src1, regF src2 ) %{ | |
5024 src1 : E(read); | |
5025 src2 : E(read); | |
5026 dst : E(write); | |
5027 FA : R; | |
5028 MS : R(2); | |
5029 BR : R(2); | |
5030 %} | |
5031 | |
5032 // Compare for p < q, and conditionally add y | |
5033 pipe_class cadd_cmpltmask( iRegI p, iRegI q, iRegI y ) %{ | |
5034 p : E(read); | |
5035 q : E(read); | |
5036 y : E(read); | |
5037 IALU : R(3) | |
5038 %} | |
5039 | |
5040 // Perform a compare, then move conditionally in a branch delay slot. | |
5041 pipe_class min_max( iRegI src2, iRegI srcdst ) %{ | |
5042 src2 : E(read); | |
5043 srcdst : E(read); | |
5044 IALU : R; | |
5045 BR : R; | |
5046 %} | |
5047 | |
5048 // Define the class for the Nop node | |
5049 define %{ | |
5050 MachNop = ialu_nop; | |
5051 %} | |
5052 | |
5053 %} | |
5054 | |
5055 //----------INSTRUCTIONS------------------------------------------------------- | |
5056 | |
5057 //------------Special Stack Slot instructions - no match rules----------------- | |
5058 instruct stkI_to_regF(regF dst, stackSlotI src) %{ | |
5059 // No match rule to avoid chain rule match. | |
5060 effect(DEF dst, USE src); | |
5061 ins_cost(MEMORY_REF_COST); | |
5062 size(4); | |
5063 format %{ "LDF $src,$dst\t! stkI to regF" %} | |
5064 opcode(Assembler::ldf_op3); | |
5065 ins_encode(form3_mem_reg(src, dst)); | |
5066 ins_pipe(floadF_stk); | |
5067 %} | |
5068 | |
5069 instruct stkL_to_regD(regD dst, stackSlotL src) %{ | |
5070 // No match rule to avoid chain rule match. | |
5071 effect(DEF dst, USE src); | |
5072 ins_cost(MEMORY_REF_COST); | |
5073 size(4); | |
5074 format %{ "LDDF $src,$dst\t! stkL to regD" %} | |
5075 opcode(Assembler::lddf_op3); | |
5076 ins_encode(form3_mem_reg(src, dst)); | |
5077 ins_pipe(floadD_stk); | |
5078 %} | |
5079 | |
5080 instruct regF_to_stkI(stackSlotI dst, regF src) %{ | |
5081 // No match rule to avoid chain rule match. | |
5082 effect(DEF dst, USE src); | |
5083 ins_cost(MEMORY_REF_COST); | |
5084 size(4); | |
5085 format %{ "STF $src,$dst\t! regF to stkI" %} | |
5086 opcode(Assembler::stf_op3); | |
5087 ins_encode(form3_mem_reg(dst, src)); | |
5088 ins_pipe(fstoreF_stk_reg); | |
5089 %} | |
5090 | |
5091 instruct regD_to_stkL(stackSlotL dst, regD src) %{ | |
5092 // No match rule to avoid chain rule match. | |
5093 effect(DEF dst, USE src); | |
5094 ins_cost(MEMORY_REF_COST); | |
5095 size(4); | |
5096 format %{ "STDF $src,$dst\t! regD to stkL" %} | |
5097 opcode(Assembler::stdf_op3); | |
5098 ins_encode(form3_mem_reg(dst, src)); | |
5099 ins_pipe(fstoreD_stk_reg); | |
5100 %} | |
5101 | |
5102 instruct regI_to_stkLHi(stackSlotL dst, iRegI src) %{ | |
5103 effect(DEF dst, USE src); | |
5104 ins_cost(MEMORY_REF_COST*2); | |
5105 size(8); | |
5106 format %{ "STW $src,$dst.hi\t! long\n\t" | |
5107 "STW R_G0,$dst.lo" %} | |
5108 opcode(Assembler::stw_op3); | |
5109 ins_encode(form3_mem_reg(dst, src), form3_mem_plus_4_reg(dst, R_G0)); | |
5110 ins_pipe(lstoreI_stk_reg); | |
5111 %} | |
5112 | |
5113 instruct regL_to_stkD(stackSlotD dst, iRegL src) %{ | |
5114 // No match rule to avoid chain rule match. | |
5115 effect(DEF dst, USE src); | |
5116 ins_cost(MEMORY_REF_COST); | |
5117 size(4); | |
5118 format %{ "STX $src,$dst\t! regL to stkD" %} | |
5119 opcode(Assembler::stx_op3); | |
5120 ins_encode( form3_mem_reg( dst, src ) ); | |
5121 ins_pipe(istore_stk_reg); | |
5122 %} | |
5123 | |
5124 //---------- Chain stack slots between similar types -------- | |
5125 | |
5126 // Load integer from stack slot | |
5127 instruct stkI_to_regI( iRegI dst, stackSlotI src ) %{ | |
5128 match(Set dst src); | |
5129 ins_cost(MEMORY_REF_COST); | |
5130 | |
5131 size(4); | |
5132 format %{ "LDUW $src,$dst\t!stk" %} | |
5133 opcode(Assembler::lduw_op3); | |
5134 ins_encode( form3_mem_reg( src, dst ) ); | |
5135 ins_pipe(iload_mem); | |
5136 %} | |
5137 | |
5138 // Store integer to stack slot | |
5139 instruct regI_to_stkI( stackSlotI dst, iRegI src ) %{ | |
5140 match(Set dst src); | |
5141 ins_cost(MEMORY_REF_COST); | |
5142 | |
5143 size(4); | |
5144 format %{ "STW $src,$dst\t!stk" %} | |
5145 opcode(Assembler::stw_op3); | |
5146 ins_encode( form3_mem_reg( dst, src ) ); | |
5147 ins_pipe(istore_mem_reg); | |
5148 %} | |
5149 | |
5150 // Load long from stack slot | |
5151 instruct stkL_to_regL( iRegL dst, stackSlotL src ) %{ | |
5152 match(Set dst src); | |
5153 | |
5154 ins_cost(MEMORY_REF_COST); | |
5155 size(4); | |
5156 format %{ "LDX $src,$dst\t! long" %} | |
5157 opcode(Assembler::ldx_op3); | |
5158 ins_encode( form3_mem_reg( src, dst ) ); | |
5159 ins_pipe(iload_mem); | |
5160 %} | |
5161 | |
5162 // Store long to stack slot | |
5163 instruct regL_to_stkL(stackSlotL dst, iRegL src) %{ | |
5164 match(Set dst src); | |
5165 | |
5166 ins_cost(MEMORY_REF_COST); | |
5167 size(4); | |
5168 format %{ "STX $src,$dst\t! long" %} | |
5169 opcode(Assembler::stx_op3); | |
5170 ins_encode( form3_mem_reg( dst, src ) ); | |
5171 ins_pipe(istore_mem_reg); | |
5172 %} | |
5173 | |
5174 #ifdef _LP64 | |
5175 // Load pointer from stack slot, 64-bit encoding | |
5176 instruct stkP_to_regP( iRegP dst, stackSlotP src ) %{ | |
5177 match(Set dst src); | |
5178 ins_cost(MEMORY_REF_COST); | |
5179 size(4); | |
5180 format %{ "LDX $src,$dst\t!ptr" %} | |
5181 opcode(Assembler::ldx_op3); | |
5182 ins_encode( form3_mem_reg( src, dst ) ); | |
5183 ins_pipe(iload_mem); | |
5184 %} | |
5185 | |
5186 // Store pointer to stack slot | |
5187 instruct regP_to_stkP(stackSlotP dst, iRegP src) %{ | |
5188 match(Set dst src); | |
5189 ins_cost(MEMORY_REF_COST); | |
5190 size(4); | |
5191 format %{ "STX $src,$dst\t!ptr" %} | |
5192 opcode(Assembler::stx_op3); | |
5193 ins_encode( form3_mem_reg( dst, src ) ); | |
5194 ins_pipe(istore_mem_reg); | |
5195 %} | |
5196 #else // _LP64 | |
5197 // Load pointer from stack slot, 32-bit encoding | |
5198 instruct stkP_to_regP( iRegP dst, stackSlotP src ) %{ | |
5199 match(Set dst src); | |
5200 ins_cost(MEMORY_REF_COST); | |
5201 format %{ "LDUW $src,$dst\t!ptr" %} | |
5202 opcode(Assembler::lduw_op3, Assembler::ldst_op); | |
5203 ins_encode( form3_mem_reg( src, dst ) ); | |
5204 ins_pipe(iload_mem); | |
5205 %} | |
5206 | |
5207 // Store pointer to stack slot | |
5208 instruct regP_to_stkP(stackSlotP dst, iRegP src) %{ | |
5209 match(Set dst src); | |
5210 ins_cost(MEMORY_REF_COST); | |
5211 format %{ "STW $src,$dst\t!ptr" %} | |
5212 opcode(Assembler::stw_op3, Assembler::ldst_op); | |
5213 ins_encode( form3_mem_reg( dst, src ) ); | |
5214 ins_pipe(istore_mem_reg); | |
5215 %} | |
5216 #endif // _LP64 | |
5217 | |
5218 //------------Special Nop instructions for bundling - no match rules----------- | |
5219 // Nop using the A0 functional unit | |
5220 instruct Nop_A0() %{ | |
5221 ins_cost(0); | |
5222 | |
5223 format %{ "NOP ! Alu Pipeline" %} | |
5224 opcode(Assembler::or_op3, Assembler::arith_op); | |
5225 ins_encode( form2_nop() ); | |
5226 ins_pipe(ialu_nop_A0); | |
5227 %} | |
5228 | |
5229 // Nop using the A1 functional unit | |
5230 instruct Nop_A1( ) %{ | |
5231 ins_cost(0); | |
5232 | |
5233 format %{ "NOP ! Alu Pipeline" %} | |
5234 opcode(Assembler::or_op3, Assembler::arith_op); | |
5235 ins_encode( form2_nop() ); | |
5236 ins_pipe(ialu_nop_A1); | |
5237 %} | |
5238 | |
5239 // Nop using the memory functional unit | |
5240 instruct Nop_MS( ) %{ | |
5241 ins_cost(0); | |
5242 | |
5243 format %{ "NOP ! Memory Pipeline" %} | |
5244 ins_encode( emit_mem_nop ); | |
5245 ins_pipe(mem_nop); | |
5246 %} | |
5247 | |
5248 // Nop using the floating add functional unit | |
5249 instruct Nop_FA( ) %{ | |
5250 ins_cost(0); | |
5251 | |
5252 format %{ "NOP ! Floating Add Pipeline" %} | |
5253 ins_encode( emit_fadd_nop ); | |
5254 ins_pipe(fadd_nop); | |
5255 %} | |
5256 | |
5257 // Nop using the branch functional unit | |
5258 instruct Nop_BR( ) %{ | |
5259 ins_cost(0); | |
5260 | |
5261 format %{ "NOP ! Branch Pipeline" %} | |
5262 ins_encode( emit_br_nop ); | |
5263 ins_pipe(br_nop); | |
5264 %} | |
5265 | |
5266 //----------Load/Store/Move Instructions--------------------------------------- | |
5267 //----------Load Instructions-------------------------------------------------- | |
5268 // Load Byte (8bit signed) | |
5269 instruct loadB(iRegI dst, memory mem) %{ | |
5270 match(Set dst (LoadB mem)); | |
5271 ins_cost(MEMORY_REF_COST); | |
5272 | |
5273 size(4); | |
5274 format %{ "LDSB $mem,$dst" %} | |
5275 opcode(Assembler::ldsb_op3); | |
5276 ins_encode( form3_mem_reg( mem, dst ) ); | |
5277 ins_pipe(iload_mask_mem); | |
5278 %} | |
5279 | |
5280 // Load Byte (8bit UNsigned) into an int reg | |
5281 instruct loadUB(iRegI dst, memory mem, immI_255 bytemask) %{ | |
5282 match(Set dst (AndI (LoadB mem) bytemask)); | |
5283 ins_cost(MEMORY_REF_COST); | |
5284 | |
5285 size(4); | |
5286 format %{ "LDUB $mem,$dst" %} | |
5287 opcode(Assembler::ldub_op3); | |
5288 ins_encode( form3_mem_reg( mem, dst ) ); | |
5289 ins_pipe(iload_mask_mem); | |
5290 %} | |
5291 | |
5292 // Load Byte (8bit UNsigned) into a Long Register | |
5293 instruct loadUBL(iRegL dst, memory mem, immL_FF bytemask) %{ | |
5294 match(Set dst (AndL (ConvI2L (LoadB mem)) bytemask)); | |
5295 ins_cost(MEMORY_REF_COST); | |
5296 | |
5297 size(4); | |
5298 format %{ "LDUB $mem,$dst" %} | |
5299 opcode(Assembler::ldub_op3); | |
5300 ins_encode( form3_mem_reg( mem, dst ) ); | |
5301 ins_pipe(iload_mask_mem); | |
5302 %} | |
5303 | |
5304 // Load Char (16bit UNsigned) into a Long Register | |
5305 instruct loadUCL(iRegL dst, memory mem, immL_FFFF bytemask) %{ | |
5306 match(Set dst (AndL (ConvI2L (LoadC mem)) bytemask)); | |
5307 ins_cost(MEMORY_REF_COST); | |
5308 | |
5309 size(4); | |
5310 format %{ "LDUH $mem,$dst" %} | |
5311 opcode(Assembler::lduh_op3); | |
5312 ins_encode( form3_mem_reg( mem, dst ) ); | |
5313 ins_pipe(iload_mask_mem); | |
5314 %} | |
5315 | |
5316 // Load Char (16bit unsigned) | |
5317 instruct loadC(iRegI dst, memory mem) %{ | |
5318 match(Set dst (LoadC mem)); | |
5319 ins_cost(MEMORY_REF_COST); | |
5320 | |
5321 size(4); | |
5322 format %{ "LDUH $mem,$dst" %} | |
5323 opcode(Assembler::lduh_op3); | |
5324 ins_encode( form3_mem_reg( mem, dst ) ); | |
5325 ins_pipe(iload_mask_mem); | |
5326 %} | |
5327 | |
5328 // Load Integer | |
5329 instruct loadI(iRegI dst, memory mem) %{ | |
5330 match(Set dst (LoadI mem)); | |
5331 ins_cost(MEMORY_REF_COST); | |
5332 size(4); | |
5333 | |
5334 format %{ "LDUW $mem,$dst" %} | |
5335 opcode(Assembler::lduw_op3); | |
5336 ins_encode( form3_mem_reg( mem, dst ) ); | |
5337 ins_pipe(iload_mem); | |
5338 %} | |
5339 | |
5340 // Load Long - aligned | |
5341 instruct loadL(iRegL dst, memory mem ) %{ | |
5342 match(Set dst (LoadL mem)); | |
5343 ins_cost(MEMORY_REF_COST); | |
5344 size(4); | |
5345 format %{ "LDX $mem,$dst\t! long" %} | |
5346 opcode(Assembler::ldx_op3); | |
5347 ins_encode( form3_mem_reg( mem, dst ) ); | |
5348 ins_pipe(iload_mem); | |
5349 %} | |
5350 | |
5351 // Load Long - UNaligned | |
5352 instruct loadL_unaligned(iRegL dst, memory mem, o7RegI tmp) %{ | |
5353 match(Set dst (LoadL_unaligned mem)); | |
5354 effect(KILL tmp); | |
5355 ins_cost(MEMORY_REF_COST*2+DEFAULT_COST); | |
5356 size(16); | |
5357 format %{ "LDUW $mem+4,R_O7\t! misaligned long\n" | |
5358 "\tLDUW $mem ,$dst\n" | |
5359 "\tSLLX #32, $dst, $dst\n" | |
5360 "\tOR $dst, R_O7, $dst" %} | |
5361 opcode(Assembler::lduw_op3); | |
5362 ins_encode( form3_mem_reg_long_unaligned_marshal( mem, dst )); | |
5363 ins_pipe(iload_mem); | |
5364 %} | |
5365 | |
5366 // Load Aligned Packed Byte into a Double Register | |
5367 instruct loadA8B(regD dst, memory mem) %{ | |
5368 match(Set dst (Load8B mem)); | |
5369 ins_cost(MEMORY_REF_COST); | |
5370 size(4); | |
5371 format %{ "LDDF $mem,$dst\t! packed8B" %} | |
5372 opcode(Assembler::lddf_op3); | |
5373 ins_encode( form3_mem_reg( mem, dst ) ); | |
5374 ins_pipe(floadD_mem); | |
5375 %} | |
5376 | |
5377 // Load Aligned Packed Char into a Double Register | |
5378 instruct loadA4C(regD dst, memory mem) %{ | |
5379 match(Set dst (Load4C mem)); | |
5380 ins_cost(MEMORY_REF_COST); | |
5381 size(4); | |
5382 format %{ "LDDF $mem,$dst\t! packed4C" %} | |
5383 opcode(Assembler::lddf_op3); | |
5384 ins_encode( form3_mem_reg( mem, dst ) ); | |
5385 ins_pipe(floadD_mem); | |
5386 %} | |
5387 | |
5388 // Load Aligned Packed Short into a Double Register | |
5389 instruct loadA4S(regD dst, memory mem) %{ | |
5390 match(Set dst (Load4S mem)); | |
5391 ins_cost(MEMORY_REF_COST); | |
5392 size(4); | |
5393 format %{ "LDDF $mem,$dst\t! packed4S" %} | |
5394 opcode(Assembler::lddf_op3); | |
5395 ins_encode( form3_mem_reg( mem, dst ) ); | |
5396 ins_pipe(floadD_mem); | |
5397 %} | |
5398 | |
5399 // Load Aligned Packed Int into a Double Register | |
5400 instruct loadA2I(regD dst, memory mem) %{ | |
5401 match(Set dst (Load2I mem)); | |
5402 ins_cost(MEMORY_REF_COST); | |
5403 size(4); | |
5404 format %{ "LDDF $mem,$dst\t! packed2I" %} | |
5405 opcode(Assembler::lddf_op3); | |
5406 ins_encode( form3_mem_reg( mem, dst ) ); | |
5407 ins_pipe(floadD_mem); | |
5408 %} | |
5409 | |
5410 // Load Range | |
5411 instruct loadRange(iRegI dst, memory mem) %{ | |
5412 match(Set dst (LoadRange mem)); | |
5413 ins_cost(MEMORY_REF_COST); | |
5414 | |
5415 size(4); | |
5416 format %{ "LDUW $mem,$dst\t! range" %} | |
5417 opcode(Assembler::lduw_op3); | |
5418 ins_encode( form3_mem_reg( mem, dst ) ); | |
5419 ins_pipe(iload_mem); | |
5420 %} | |
5421 | |
5422 // Load Integer into %f register (for fitos/fitod) | |
5423 instruct loadI_freg(regF dst, memory mem) %{ | |
5424 match(Set dst (LoadI mem)); | |
5425 ins_cost(MEMORY_REF_COST); | |
5426 size(4); | |
5427 | |
5428 format %{ "LDF $mem,$dst\t! for fitos/fitod" %} | |
5429 opcode(Assembler::ldf_op3); | |
5430 ins_encode( form3_mem_reg( mem, dst ) ); | |
5431 ins_pipe(floadF_mem); | |
5432 %} | |
5433 | |
5434 // Load Pointer | |
5435 instruct loadP(iRegP dst, memory mem) %{ | |
5436 match(Set dst (LoadP mem)); | |
5437 ins_cost(MEMORY_REF_COST); | |
5438 size(4); | |
5439 | |
5440 #ifndef _LP64 | |
5441 format %{ "LDUW $mem,$dst\t! ptr" %} | |
5442 opcode(Assembler::lduw_op3, 0, REGP_OP); | |
5443 #else | |
5444 format %{ "LDX $mem,$dst\t! ptr" %} | |
5445 opcode(Assembler::ldx_op3, 0, REGP_OP); | |
5446 #endif | |
5447 ins_encode( form3_mem_reg( mem, dst ) ); | |
5448 ins_pipe(iload_mem); | |
5449 %} | |
5450 | |
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5451 // Load Compressed Pointer |
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5452 instruct loadN(iRegN dst, memory mem) %{ |
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5453 match(Set dst (LoadN mem)); |
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5454 ins_cost(MEMORY_REF_COST); |
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5455 size(4); |
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5456 |
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5457 format %{ "LDUW $mem,$dst\t! compressed ptr" %} |
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5458 ins_encode %{ |
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5459 Register base = as_Register($mem$$base); |
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5460 Register index = as_Register($mem$$index); |
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5461 Register dst = $dst$$Register; |
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5462 if (index != G0) { |
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5463 __ lduw(base, index, dst); |
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5464 } else { |
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5465 __ lduw(base, $mem$$disp, dst); |
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5466 } |
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5467 %} |
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5468 ins_pipe(iload_mem); |
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5469 %} |
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5470 |
0 | 5471 // Load Klass Pointer |
5472 instruct loadKlass(iRegP dst, memory mem) %{ | |
5473 match(Set dst (LoadKlass mem)); | |
5474 ins_cost(MEMORY_REF_COST); | |
5475 size(4); | |
5476 | |
5477 #ifndef _LP64 | |
5478 format %{ "LDUW $mem,$dst\t! klass ptr" %} | |
5479 opcode(Assembler::lduw_op3, 0, REGP_OP); | |
5480 #else | |
5481 format %{ "LDX $mem,$dst\t! klass ptr" %} | |
5482 opcode(Assembler::ldx_op3, 0, REGP_OP); | |
5483 #endif | |
5484 ins_encode( form3_mem_reg( mem, dst ) ); | |
5485 ins_pipe(iload_mem); | |
5486 %} | |
5487 | |
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5488 // Load narrow Klass Pointer |
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5489 instruct loadNKlass(iRegN dst, memory mem) %{ |
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5490 match(Set dst (LoadNKlass mem)); |
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5491 ins_cost(MEMORY_REF_COST); |
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5492 size(4); |
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5493 |
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5494 format %{ "LDUW $mem,$dst\t! compressed klass ptr" %} |
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5495 |
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5496 ins_encode %{ |
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5497 Register base = as_Register($mem$$base); |
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5498 Register index = as_Register($mem$$index); |
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5499 Register dst = $dst$$Register; |
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5500 if (index != G0) { |
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5501 __ lduw(base, index, dst); |
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5502 } else { |
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5503 __ lduw(base, $mem$$disp, dst); |
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5504 } |
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5505 %} |
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5506 ins_pipe(iload_mem); |
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5507 %} |
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5508 |
0 | 5509 // Load Short (16bit signed) |
5510 instruct loadS(iRegI dst, memory mem) %{ | |
5511 match(Set dst (LoadS mem)); | |
5512 ins_cost(MEMORY_REF_COST); | |
5513 | |
5514 size(4); | |
5515 format %{ "LDSH $mem,$dst" %} | |
5516 opcode(Assembler::ldsh_op3); | |
5517 ins_encode( form3_mem_reg( mem, dst ) ); | |
5518 ins_pipe(iload_mask_mem); | |
5519 %} | |
5520 | |
5521 // Load Double | |
5522 instruct loadD(regD dst, memory mem) %{ | |
5523 match(Set dst (LoadD mem)); | |
5524 ins_cost(MEMORY_REF_COST); | |
5525 | |
5526 size(4); | |
5527 format %{ "LDDF $mem,$dst" %} | |
5528 opcode(Assembler::lddf_op3); | |
5529 ins_encode( form3_mem_reg( mem, dst ) ); | |
5530 ins_pipe(floadD_mem); | |
5531 %} | |
5532 | |
5533 // Load Double - UNaligned | |
5534 instruct loadD_unaligned(regD_low dst, memory mem ) %{ | |
5535 match(Set dst (LoadD_unaligned mem)); | |
5536 ins_cost(MEMORY_REF_COST*2+DEFAULT_COST); | |
5537 size(8); | |
5538 format %{ "LDF $mem ,$dst.hi\t! misaligned double\n" | |
5539 "\tLDF $mem+4,$dst.lo\t!" %} | |
5540 opcode(Assembler::ldf_op3); | |
5541 ins_encode( form3_mem_reg_double_unaligned( mem, dst )); | |
5542 ins_pipe(iload_mem); | |
5543 %} | |
5544 | |
5545 // Load Float | |
5546 instruct loadF(regF dst, memory mem) %{ | |
5547 match(Set dst (LoadF mem)); | |
5548 ins_cost(MEMORY_REF_COST); | |
5549 | |
5550 size(4); | |
5551 format %{ "LDF $mem,$dst" %} | |
5552 opcode(Assembler::ldf_op3); | |
5553 ins_encode( form3_mem_reg( mem, dst ) ); | |
5554 ins_pipe(floadF_mem); | |
5555 %} | |
5556 | |
5557 // Load Constant | |
5558 instruct loadConI( iRegI dst, immI src ) %{ | |
5559 match(Set dst src); | |
5560 ins_cost(DEFAULT_COST * 3/2); | |
5561 format %{ "SET $src,$dst" %} | |
5562 ins_encode( Set32(src, dst) ); | |
5563 ins_pipe(ialu_hi_lo_reg); | |
5564 %} | |
5565 | |
5566 instruct loadConI13( iRegI dst, immI13 src ) %{ | |
5567 match(Set dst src); | |
5568 | |
5569 size(4); | |
5570 format %{ "MOV $src,$dst" %} | |
5571 ins_encode( Set13( src, dst ) ); | |
5572 ins_pipe(ialu_imm); | |
5573 %} | |
5574 | |
5575 instruct loadConP(iRegP dst, immP src) %{ | |
5576 match(Set dst src); | |
5577 ins_cost(DEFAULT_COST * 3/2); | |
5578 format %{ "SET $src,$dst\t!ptr" %} | |
5579 // This rule does not use "expand" unlike loadConI because then | |
5580 // the result type is not known to be an Oop. An ADLC | |
5581 // enhancement will be needed to make that work - not worth it! | |
5582 | |
5583 ins_encode( SetPtr( src, dst ) ); | |
5584 ins_pipe(loadConP); | |
5585 | |
5586 %} | |
5587 | |
5588 instruct loadConP0(iRegP dst, immP0 src) %{ | |
5589 match(Set dst src); | |
5590 | |
5591 size(4); | |
5592 format %{ "CLR $dst\t!ptr" %} | |
5593 ins_encode( SetNull( dst ) ); | |
5594 ins_pipe(ialu_imm); | |
5595 %} | |
5596 | |
5597 instruct loadConP_poll(iRegP dst, immP_poll src) %{ | |
5598 match(Set dst src); | |
5599 ins_cost(DEFAULT_COST); | |
5600 format %{ "SET $src,$dst\t!ptr" %} | |
5601 ins_encode %{ | |
5602 Address polling_page(reg_to_register_object($dst$$reg), (address)os::get_polling_page()); | |
5603 __ sethi(polling_page, false ); | |
5604 %} | |
5605 ins_pipe(loadConP_poll); | |
5606 %} | |
5607 | |
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5608 instruct loadConN0(iRegN dst, immN0 src) %{ |
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5609 match(Set dst src); |
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5610 |
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5611 size(4); |
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5612 format %{ "CLR $dst\t! compressed NULL ptr" %} |
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5613 ins_encode( SetNull( dst ) ); |
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5614 ins_pipe(ialu_imm); |
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5615 %} |
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5616 |
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5617 instruct loadConN(iRegN dst, immN src) %{ |
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5618 match(Set dst src); |
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5619 ins_cost(DEFAULT_COST * 3/2); |
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5620 format %{ "SET $src,$dst\t! compressed ptr" %} |
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5621 ins_encode %{ |
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5622 Register dst = $dst$$Register; |
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5623 __ set_narrow_oop((jobject)$src$$constant, dst); |
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5624 %} |
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5625 ins_pipe(ialu_hi_lo_reg); |
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5626 %} |
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5627 |
0 | 5628 instruct loadConL(iRegL dst, immL src, o7RegL tmp) %{ |
5629 // %%% maybe this should work like loadConD | |
5630 match(Set dst src); | |
5631 effect(KILL tmp); | |
5632 ins_cost(DEFAULT_COST * 4); | |
5633 format %{ "SET64 $src,$dst KILL $tmp\t! long" %} | |
5634 ins_encode( LdImmL(src, dst, tmp) ); | |
5635 ins_pipe(loadConL); | |
5636 %} | |
5637 | |
5638 instruct loadConL0( iRegL dst, immL0 src ) %{ | |
5639 match(Set dst src); | |
5640 ins_cost(DEFAULT_COST); | |
5641 size(4); | |
5642 format %{ "CLR $dst\t! long" %} | |
5643 ins_encode( Set13( src, dst ) ); | |
5644 ins_pipe(ialu_imm); | |
5645 %} | |
5646 | |
5647 instruct loadConL13( iRegL dst, immL13 src ) %{ | |
5648 match(Set dst src); | |
5649 ins_cost(DEFAULT_COST * 2); | |
5650 | |
5651 size(4); | |
5652 format %{ "MOV $src,$dst\t! long" %} | |
5653 ins_encode( Set13( src, dst ) ); | |
5654 ins_pipe(ialu_imm); | |
5655 %} | |
5656 | |
5657 instruct loadConF(regF dst, immF src, o7RegP tmp) %{ | |
5658 match(Set dst src); | |
5659 effect(KILL tmp); | |
5660 | |
5661 #ifdef _LP64 | |
5662 size(36); | |
5663 #else | |
5664 size(8); | |
5665 #endif | |
5666 | |
5667 format %{ "SETHI hi(&$src),$tmp\t!get float $src from table\n\t" | |
5668 "LDF [$tmp+lo(&$src)],$dst" %} | |
5669 ins_encode( LdImmF(src, dst, tmp) ); | |
5670 ins_pipe(loadConFD); | |
5671 %} | |
5672 | |
5673 instruct loadConD(regD dst, immD src, o7RegP tmp) %{ | |
5674 match(Set dst src); | |
5675 effect(KILL tmp); | |
5676 | |
5677 #ifdef _LP64 | |
5678 size(36); | |
5679 #else | |
5680 size(8); | |
5681 #endif | |
5682 | |
5683 format %{ "SETHI hi(&$src),$tmp\t!get double $src from table\n\t" | |
5684 "LDDF [$tmp+lo(&$src)],$dst" %} | |
5685 ins_encode( LdImmD(src, dst, tmp) ); | |
5686 ins_pipe(loadConFD); | |
5687 %} | |
5688 | |
5689 // Prefetch instructions. | |
5690 // Must be safe to execute with invalid address (cannot fault). | |
5691 | |
5692 instruct prefetchr( memory mem ) %{ | |
5693 match( PrefetchRead mem ); | |
5694 ins_cost(MEMORY_REF_COST); | |
5695 | |
5696 format %{ "PREFETCH $mem,0\t! Prefetch read-many" %} | |
5697 opcode(Assembler::prefetch_op3); | |
5698 ins_encode( form3_mem_prefetch_read( mem ) ); | |
5699 ins_pipe(iload_mem); | |
5700 %} | |
5701 | |
5702 instruct prefetchw( memory mem ) %{ | |
5703 match( PrefetchWrite mem ); | |
5704 ins_cost(MEMORY_REF_COST); | |
5705 | |
5706 format %{ "PREFETCH $mem,2\t! Prefetch write-many (and read)" %} | |
5707 opcode(Assembler::prefetch_op3); | |
5708 ins_encode( form3_mem_prefetch_write( mem ) ); | |
5709 ins_pipe(iload_mem); | |
5710 %} | |
5711 | |
5712 | |
5713 //----------Store Instructions------------------------------------------------- | |
5714 // Store Byte | |
5715 instruct storeB(memory mem, iRegI src) %{ | |
5716 match(Set mem (StoreB mem src)); | |
5717 ins_cost(MEMORY_REF_COST); | |
5718 | |
5719 size(4); | |
5720 format %{ "STB $src,$mem\t! byte" %} | |
5721 opcode(Assembler::stb_op3); | |
5722 ins_encode( form3_mem_reg( mem, src ) ); | |
5723 ins_pipe(istore_mem_reg); | |
5724 %} | |
5725 | |
5726 instruct storeB0(memory mem, immI0 src) %{ | |
5727 match(Set mem (StoreB mem src)); | |
5728 ins_cost(MEMORY_REF_COST); | |
5729 | |
5730 size(4); | |
5731 format %{ "STB $src,$mem\t! byte" %} | |
5732 opcode(Assembler::stb_op3); | |
5733 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5734 ins_pipe(istore_mem_zero); | |
5735 %} | |
5736 | |
5737 instruct storeCM0(memory mem, immI0 src) %{ | |
5738 match(Set mem (StoreCM mem src)); | |
5739 ins_cost(MEMORY_REF_COST); | |
5740 | |
5741 size(4); | |
5742 format %{ "STB $src,$mem\t! CMS card-mark byte 0" %} | |
5743 opcode(Assembler::stb_op3); | |
5744 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5745 ins_pipe(istore_mem_zero); | |
5746 %} | |
5747 | |
5748 // Store Char/Short | |
5749 instruct storeC(memory mem, iRegI src) %{ | |
5750 match(Set mem (StoreC mem src)); | |
5751 ins_cost(MEMORY_REF_COST); | |
5752 | |
5753 size(4); | |
5754 format %{ "STH $src,$mem\t! short" %} | |
5755 opcode(Assembler::sth_op3); | |
5756 ins_encode( form3_mem_reg( mem, src ) ); | |
5757 ins_pipe(istore_mem_reg); | |
5758 %} | |
5759 | |
5760 instruct storeC0(memory mem, immI0 src) %{ | |
5761 match(Set mem (StoreC mem src)); | |
5762 ins_cost(MEMORY_REF_COST); | |
5763 | |
5764 size(4); | |
5765 format %{ "STH $src,$mem\t! short" %} | |
5766 opcode(Assembler::sth_op3); | |
5767 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5768 ins_pipe(istore_mem_zero); | |
5769 %} | |
5770 | |
5771 // Store Integer | |
5772 instruct storeI(memory mem, iRegI src) %{ | |
5773 match(Set mem (StoreI mem src)); | |
5774 ins_cost(MEMORY_REF_COST); | |
5775 | |
5776 size(4); | |
5777 format %{ "STW $src,$mem" %} | |
5778 opcode(Assembler::stw_op3); | |
5779 ins_encode( form3_mem_reg( mem, src ) ); | |
5780 ins_pipe(istore_mem_reg); | |
5781 %} | |
5782 | |
5783 // Store Long | |
5784 instruct storeL(memory mem, iRegL src) %{ | |
5785 match(Set mem (StoreL mem src)); | |
5786 ins_cost(MEMORY_REF_COST); | |
5787 size(4); | |
5788 format %{ "STX $src,$mem\t! long" %} | |
5789 opcode(Assembler::stx_op3); | |
5790 ins_encode( form3_mem_reg( mem, src ) ); | |
5791 ins_pipe(istore_mem_reg); | |
5792 %} | |
5793 | |
5794 instruct storeI0(memory mem, immI0 src) %{ | |
5795 match(Set mem (StoreI mem src)); | |
5796 ins_cost(MEMORY_REF_COST); | |
5797 | |
5798 size(4); | |
5799 format %{ "STW $src,$mem" %} | |
5800 opcode(Assembler::stw_op3); | |
5801 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5802 ins_pipe(istore_mem_zero); | |
5803 %} | |
5804 | |
5805 instruct storeL0(memory mem, immL0 src) %{ | |
5806 match(Set mem (StoreL mem src)); | |
5807 ins_cost(MEMORY_REF_COST); | |
5808 | |
5809 size(4); | |
5810 format %{ "STX $src,$mem" %} | |
5811 opcode(Assembler::stx_op3); | |
5812 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5813 ins_pipe(istore_mem_zero); | |
5814 %} | |
5815 | |
5816 // Store Integer from float register (used after fstoi) | |
5817 instruct storeI_Freg(memory mem, regF src) %{ | |
5818 match(Set mem (StoreI mem src)); | |
5819 ins_cost(MEMORY_REF_COST); | |
5820 | |
5821 size(4); | |
5822 format %{ "STF $src,$mem\t! after fstoi/fdtoi" %} | |
5823 opcode(Assembler::stf_op3); | |
5824 ins_encode( form3_mem_reg( mem, src ) ); | |
5825 ins_pipe(fstoreF_mem_reg); | |
5826 %} | |
5827 | |
5828 // Store Pointer | |
5829 instruct storeP(memory dst, sp_ptr_RegP src) %{ | |
5830 match(Set dst (StoreP dst src)); | |
5831 ins_cost(MEMORY_REF_COST); | |
5832 size(4); | |
5833 | |
5834 #ifndef _LP64 | |
5835 format %{ "STW $src,$dst\t! ptr" %} | |
5836 opcode(Assembler::stw_op3, 0, REGP_OP); | |
5837 #else | |
5838 format %{ "STX $src,$dst\t! ptr" %} | |
5839 opcode(Assembler::stx_op3, 0, REGP_OP); | |
5840 #endif | |
5841 ins_encode( form3_mem_reg( dst, src ) ); | |
5842 ins_pipe(istore_mem_spORreg); | |
5843 %} | |
5844 | |
5845 instruct storeP0(memory dst, immP0 src) %{ | |
5846 match(Set dst (StoreP dst src)); | |
5847 ins_cost(MEMORY_REF_COST); | |
5848 size(4); | |
5849 | |
5850 #ifndef _LP64 | |
5851 format %{ "STW $src,$dst\t! ptr" %} | |
5852 opcode(Assembler::stw_op3, 0, REGP_OP); | |
5853 #else | |
5854 format %{ "STX $src,$dst\t! ptr" %} | |
5855 opcode(Assembler::stx_op3, 0, REGP_OP); | |
5856 #endif | |
5857 ins_encode( form3_mem_reg( dst, R_G0 ) ); | |
5858 ins_pipe(istore_mem_zero); | |
5859 %} | |
5860 | |
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5861 // Store Compressed Pointer |
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5862 instruct storeN(memory dst, iRegN src) %{ |
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5863 match(Set dst (StoreN dst src)); |
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5864 ins_cost(MEMORY_REF_COST); |
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5865 size(4); |
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5866 |
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5867 format %{ "STW $src,$dst\t! compressed ptr" %} |
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5868 ins_encode %{ |
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5869 Register base = as_Register($dst$$base); |
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5870 Register index = as_Register($dst$$index); |
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5871 Register src = $src$$Register; |
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5872 if (index != G0) { |
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5873 __ stw(src, base, index); |
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5874 } else { |
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5875 __ stw(src, base, $dst$$disp); |
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5876 } |
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5877 %} |
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5878 ins_pipe(istore_mem_spORreg); |
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5879 %} |
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5880 |
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5881 instruct storeN0(memory dst, immN0 src) %{ |
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5882 match(Set dst (StoreN dst src)); |
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5883 ins_cost(MEMORY_REF_COST); |
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5884 size(4); |
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5885 |
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5886 format %{ "STW $src,$dst\t! compressed ptr" %} |
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5887 ins_encode %{ |
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5888 Register base = as_Register($dst$$base); |
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5889 Register index = as_Register($dst$$index); |
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5890 if (index != G0) { |
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5891 __ stw(0, base, index); |
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5892 } else { |
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5893 __ stw(0, base, $dst$$disp); |
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5894 } |
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5895 %} |
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5896 ins_pipe(istore_mem_zero); |
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5897 %} |
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5898 |
0 | 5899 // Store Double |
5900 instruct storeD( memory mem, regD src) %{ | |
5901 match(Set mem (StoreD mem src)); | |
5902 ins_cost(MEMORY_REF_COST); | |
5903 | |
5904 size(4); | |
5905 format %{ "STDF $src,$mem" %} | |
5906 opcode(Assembler::stdf_op3); | |
5907 ins_encode( form3_mem_reg( mem, src ) ); | |
5908 ins_pipe(fstoreD_mem_reg); | |
5909 %} | |
5910 | |
5911 instruct storeD0( memory mem, immD0 src) %{ | |
5912 match(Set mem (StoreD mem src)); | |
5913 ins_cost(MEMORY_REF_COST); | |
5914 | |
5915 size(4); | |
5916 format %{ "STX $src,$mem" %} | |
5917 opcode(Assembler::stx_op3); | |
5918 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5919 ins_pipe(fstoreD_mem_zero); | |
5920 %} | |
5921 | |
5922 // Store Float | |
5923 instruct storeF( memory mem, regF src) %{ | |
5924 match(Set mem (StoreF mem src)); | |
5925 ins_cost(MEMORY_REF_COST); | |
5926 | |
5927 size(4); | |
5928 format %{ "STF $src,$mem" %} | |
5929 opcode(Assembler::stf_op3); | |
5930 ins_encode( form3_mem_reg( mem, src ) ); | |
5931 ins_pipe(fstoreF_mem_reg); | |
5932 %} | |
5933 | |
5934 instruct storeF0( memory mem, immF0 src) %{ | |
5935 match(Set mem (StoreF mem src)); | |
5936 ins_cost(MEMORY_REF_COST); | |
5937 | |
5938 size(4); | |
5939 format %{ "STW $src,$mem\t! storeF0" %} | |
5940 opcode(Assembler::stw_op3); | |
5941 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
5942 ins_pipe(fstoreF_mem_zero); | |
5943 %} | |
5944 | |
5945 // Store Aligned Packed Bytes in Double register to memory | |
5946 instruct storeA8B(memory mem, regD src) %{ | |
5947 match(Set mem (Store8B mem src)); | |
5948 ins_cost(MEMORY_REF_COST); | |
5949 size(4); | |
5950 format %{ "STDF $src,$mem\t! packed8B" %} | |
5951 opcode(Assembler::stdf_op3); | |
5952 ins_encode( form3_mem_reg( mem, src ) ); | |
5953 ins_pipe(fstoreD_mem_reg); | |
5954 %} | |
5955 | |
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5956 // Convert oop pointer into compressed form |
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5957 instruct encodeHeapOop(iRegN dst, iRegP src) %{ |
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5958 predicate(n->bottom_type()->make_ptr()->ptr() != TypePtr::NotNull); |
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5959 match(Set dst (EncodeP src)); |
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5960 format %{ "encode_heap_oop $src, $dst" %} |
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5961 ins_encode %{ |
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5962 __ encode_heap_oop($src$$Register, $dst$$Register); |
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5963 %} |
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5964 ins_pipe(ialu_reg); |
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5965 %} |
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5966 |
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5967 instruct encodeHeapOop_not_null(iRegN dst, iRegP src) %{ |
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5968 predicate(n->bottom_type()->make_ptr()->ptr() == TypePtr::NotNull); |
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5969 match(Set dst (EncodeP src)); |
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5970 format %{ "encode_heap_oop_not_null $src, $dst" %} |
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5971 ins_encode %{ |
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5972 __ encode_heap_oop_not_null($src$$Register, $dst$$Register); |
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5973 %} |
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5974 ins_pipe(ialu_reg); |
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5975 %} |
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5976 |
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5977 instruct decodeHeapOop(iRegP dst, iRegN src) %{ |
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5978 predicate(n->bottom_type()->is_oopptr()->ptr() != TypePtr::NotNull && |
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5979 n->bottom_type()->is_oopptr()->ptr() != TypePtr::Constant); |
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5980 match(Set dst (DecodeN src)); |
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5981 format %{ "decode_heap_oop $src, $dst" %} |
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5982 ins_encode %{ |
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5983 __ decode_heap_oop($src$$Register, $dst$$Register); |
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5984 %} |
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5985 ins_pipe(ialu_reg); |
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5986 %} |
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5987 |
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5988 instruct decodeHeapOop_not_null(iRegP dst, iRegN src) %{ |
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5989 predicate(n->bottom_type()->is_oopptr()->ptr() == TypePtr::NotNull || |
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5990 n->bottom_type()->is_oopptr()->ptr() == TypePtr::Constant); |
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5991 match(Set dst (DecodeN src)); |
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5992 format %{ "decode_heap_oop_not_null $src, $dst" %} |
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5993 ins_encode %{ |
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5994 __ decode_heap_oop_not_null($src$$Register, $dst$$Register); |
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5995 %} |
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5996 ins_pipe(ialu_reg); |
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|
5997 %} |
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5998 |
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5999 |
0 | 6000 // Store Zero into Aligned Packed Bytes |
6001 instruct storeA8B0(memory mem, immI0 zero) %{ | |
6002 match(Set mem (Store8B mem zero)); | |
6003 ins_cost(MEMORY_REF_COST); | |
6004 size(4); | |
6005 format %{ "STX $zero,$mem\t! packed8B" %} | |
6006 opcode(Assembler::stx_op3); | |
6007 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
6008 ins_pipe(fstoreD_mem_zero); | |
6009 %} | |
6010 | |
6011 // Store Aligned Packed Chars/Shorts in Double register to memory | |
6012 instruct storeA4C(memory mem, regD src) %{ | |
6013 match(Set mem (Store4C mem src)); | |
6014 ins_cost(MEMORY_REF_COST); | |
6015 size(4); | |
6016 format %{ "STDF $src,$mem\t! packed4C" %} | |
6017 opcode(Assembler::stdf_op3); | |
6018 ins_encode( form3_mem_reg( mem, src ) ); | |
6019 ins_pipe(fstoreD_mem_reg); | |
6020 %} | |
6021 | |
6022 // Store Zero into Aligned Packed Chars/Shorts | |
6023 instruct storeA4C0(memory mem, immI0 zero) %{ | |
6024 match(Set mem (Store4C mem (Replicate4C zero))); | |
6025 ins_cost(MEMORY_REF_COST); | |
6026 size(4); | |
6027 format %{ "STX $zero,$mem\t! packed4C" %} | |
6028 opcode(Assembler::stx_op3); | |
6029 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
6030 ins_pipe(fstoreD_mem_zero); | |
6031 %} | |
6032 | |
6033 // Store Aligned Packed Ints in Double register to memory | |
6034 instruct storeA2I(memory mem, regD src) %{ | |
6035 match(Set mem (Store2I mem src)); | |
6036 ins_cost(MEMORY_REF_COST); | |
6037 size(4); | |
6038 format %{ "STDF $src,$mem\t! packed2I" %} | |
6039 opcode(Assembler::stdf_op3); | |
6040 ins_encode( form3_mem_reg( mem, src ) ); | |
6041 ins_pipe(fstoreD_mem_reg); | |
6042 %} | |
6043 | |
6044 // Store Zero into Aligned Packed Ints | |
6045 instruct storeA2I0(memory mem, immI0 zero) %{ | |
6046 match(Set mem (Store2I mem zero)); | |
6047 ins_cost(MEMORY_REF_COST); | |
6048 size(4); | |
6049 format %{ "STX $zero,$mem\t! packed2I" %} | |
6050 opcode(Assembler::stx_op3); | |
6051 ins_encode( form3_mem_reg( mem, R_G0 ) ); | |
6052 ins_pipe(fstoreD_mem_zero); | |
6053 %} | |
6054 | |
6055 | |
6056 //----------MemBar Instructions----------------------------------------------- | |
6057 // Memory barrier flavors | |
6058 | |
6059 instruct membar_acquire() %{ | |
6060 match(MemBarAcquire); | |
6061 ins_cost(4*MEMORY_REF_COST); | |
6062 | |
6063 size(0); | |
6064 format %{ "MEMBAR-acquire" %} | |
6065 ins_encode( enc_membar_acquire ); | |
6066 ins_pipe(long_memory_op); | |
6067 %} | |
6068 | |
6069 instruct membar_acquire_lock() %{ | |
6070 match(MemBarAcquire); | |
6071 predicate(Matcher::prior_fast_lock(n)); | |
6072 ins_cost(0); | |
6073 | |
6074 size(0); | |
6075 format %{ "!MEMBAR-acquire (CAS in prior FastLock so empty encoding)" %} | |
6076 ins_encode( ); | |
6077 ins_pipe(empty); | |
6078 %} | |
6079 | |
6080 instruct membar_release() %{ | |
6081 match(MemBarRelease); | |
6082 ins_cost(4*MEMORY_REF_COST); | |
6083 | |
6084 size(0); | |
6085 format %{ "MEMBAR-release" %} | |
6086 ins_encode( enc_membar_release ); | |
6087 ins_pipe(long_memory_op); | |
6088 %} | |
6089 | |
6090 instruct membar_release_lock() %{ | |
6091 match(MemBarRelease); | |
6092 predicate(Matcher::post_fast_unlock(n)); | |
6093 ins_cost(0); | |
6094 | |
6095 size(0); | |
6096 format %{ "!MEMBAR-release (CAS in succeeding FastUnlock so empty encoding)" %} | |
6097 ins_encode( ); | |
6098 ins_pipe(empty); | |
6099 %} | |
6100 | |
6101 instruct membar_volatile() %{ | |
6102 match(MemBarVolatile); | |
6103 ins_cost(4*MEMORY_REF_COST); | |
6104 | |
6105 size(4); | |
6106 format %{ "MEMBAR-volatile" %} | |
6107 ins_encode( enc_membar_volatile ); | |
6108 ins_pipe(long_memory_op); | |
6109 %} | |
6110 | |
6111 instruct unnecessary_membar_volatile() %{ | |
6112 match(MemBarVolatile); | |
6113 predicate(Matcher::post_store_load_barrier(n)); | |
6114 ins_cost(0); | |
6115 | |
6116 size(0); | |
6117 format %{ "!MEMBAR-volatile (unnecessary so empty encoding)" %} | |
6118 ins_encode( ); | |
6119 ins_pipe(empty); | |
6120 %} | |
6121 | |
6122 //----------Register Move Instructions----------------------------------------- | |
6123 instruct roundDouble_nop(regD dst) %{ | |
6124 match(Set dst (RoundDouble dst)); | |
6125 ins_cost(0); | |
6126 // SPARC results are already "rounded" (i.e., normal-format IEEE) | |
6127 ins_encode( ); | |
6128 ins_pipe(empty); | |
6129 %} | |
6130 | |
6131 | |
6132 instruct roundFloat_nop(regF dst) %{ | |
6133 match(Set dst (RoundFloat dst)); | |
6134 ins_cost(0); | |
6135 // SPARC results are already "rounded" (i.e., normal-format IEEE) | |
6136 ins_encode( ); | |
6137 ins_pipe(empty); | |
6138 %} | |
6139 | |
6140 | |
6141 // Cast Index to Pointer for unsafe natives | |
6142 instruct castX2P(iRegX src, iRegP dst) %{ | |
6143 match(Set dst (CastX2P src)); | |
6144 | |
6145 format %{ "MOV $src,$dst\t! IntX->Ptr" %} | |
6146 ins_encode( form3_g0_rs2_rd_move( src, dst ) ); | |
6147 ins_pipe(ialu_reg); | |
6148 %} | |
6149 | |
6150 // Cast Pointer to Index for unsafe natives | |
6151 instruct castP2X(iRegP src, iRegX dst) %{ | |
6152 match(Set dst (CastP2X src)); | |
6153 | |
6154 format %{ "MOV $src,$dst\t! Ptr->IntX" %} | |
6155 ins_encode( form3_g0_rs2_rd_move( src, dst ) ); | |
6156 ins_pipe(ialu_reg); | |
6157 %} | |
6158 | |
6159 instruct stfSSD(stackSlotD stkSlot, regD src) %{ | |
6160 // %%%% TO DO: Tell the coalescer that this kind of node is a copy! | |
6161 match(Set stkSlot src); // chain rule | |
6162 ins_cost(MEMORY_REF_COST); | |
6163 format %{ "STDF $src,$stkSlot\t!stk" %} | |
6164 opcode(Assembler::stdf_op3); | |
6165 ins_encode(form3_mem_reg(stkSlot, src)); | |
6166 ins_pipe(fstoreD_stk_reg); | |
6167 %} | |
6168 | |
6169 instruct ldfSSD(regD dst, stackSlotD stkSlot) %{ | |
6170 // %%%% TO DO: Tell the coalescer that this kind of node is a copy! | |
6171 match(Set dst stkSlot); // chain rule | |
6172 ins_cost(MEMORY_REF_COST); | |
6173 format %{ "LDDF $stkSlot,$dst\t!stk" %} | |
6174 opcode(Assembler::lddf_op3); | |
6175 ins_encode(form3_mem_reg(stkSlot, dst)); | |
6176 ins_pipe(floadD_stk); | |
6177 %} | |
6178 | |
6179 instruct stfSSF(stackSlotF stkSlot, regF src) %{ | |
6180 // %%%% TO DO: Tell the coalescer that this kind of node is a copy! | |
6181 match(Set stkSlot src); // chain rule | |
6182 ins_cost(MEMORY_REF_COST); | |
6183 format %{ "STF $src,$stkSlot\t!stk" %} | |
6184 opcode(Assembler::stf_op3); | |
6185 ins_encode(form3_mem_reg(stkSlot, src)); | |
6186 ins_pipe(fstoreF_stk_reg); | |
6187 %} | |
6188 | |
6189 //----------Conditional Move--------------------------------------------------- | |
6190 // Conditional move | |
6191 instruct cmovIP_reg(cmpOpP cmp, flagsRegP pcc, iRegI dst, iRegI src) %{ | |
6192 match(Set dst (CMoveI (Binary cmp pcc) (Binary dst src))); | |
6193 ins_cost(150); | |
6194 format %{ "MOV$cmp $pcc,$src,$dst" %} | |
6195 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6196 ins_pipe(ialu_reg); | |
6197 %} | |
6198 | |
6199 instruct cmovIP_imm(cmpOpP cmp, flagsRegP pcc, iRegI dst, immI11 src) %{ | |
6200 match(Set dst (CMoveI (Binary cmp pcc) (Binary dst src))); | |
6201 ins_cost(140); | |
6202 format %{ "MOV$cmp $pcc,$src,$dst" %} | |
6203 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6204 ins_pipe(ialu_imm); | |
6205 %} | |
6206 | |
6207 instruct cmovII_reg(cmpOp cmp, flagsReg icc, iRegI dst, iRegI src) %{ | |
6208 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src))); | |
6209 ins_cost(150); | |
6210 size(4); | |
6211 format %{ "MOV$cmp $icc,$src,$dst" %} | |
6212 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) ); | |
6213 ins_pipe(ialu_reg); | |
6214 %} | |
6215 | |
6216 instruct cmovII_imm(cmpOp cmp, flagsReg icc, iRegI dst, immI11 src) %{ | |
6217 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src))); | |
6218 ins_cost(140); | |
6219 size(4); | |
6220 format %{ "MOV$cmp $icc,$src,$dst" %} | |
6221 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) ); | |
6222 ins_pipe(ialu_imm); | |
6223 %} | |
6224 | |
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6225 instruct cmovII_U_reg(cmpOpU cmp, flagsRegU icc, iRegI dst, iRegI src) %{ |
0 | 6226 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src))); |
6227 ins_cost(150); | |
6228 size(4); | |
6229 format %{ "MOV$cmp $icc,$src,$dst" %} | |
6230 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) ); | |
6231 ins_pipe(ialu_reg); | |
6232 %} | |
6233 | |
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6234 instruct cmovII_U_imm(cmpOpU cmp, flagsRegU icc, iRegI dst, immI11 src) %{ |
0 | 6235 match(Set dst (CMoveI (Binary cmp icc) (Binary dst src))); |
6236 ins_cost(140); | |
6237 size(4); | |
6238 format %{ "MOV$cmp $icc,$src,$dst" %} | |
6239 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) ); | |
6240 ins_pipe(ialu_imm); | |
6241 %} | |
6242 | |
6243 instruct cmovIF_reg(cmpOpF cmp, flagsRegF fcc, iRegI dst, iRegI src) %{ | |
6244 match(Set dst (CMoveI (Binary cmp fcc) (Binary dst src))); | |
6245 ins_cost(150); | |
6246 size(4); | |
6247 format %{ "MOV$cmp $fcc,$src,$dst" %} | |
6248 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) ); | |
6249 ins_pipe(ialu_reg); | |
6250 %} | |
6251 | |
6252 instruct cmovIF_imm(cmpOpF cmp, flagsRegF fcc, iRegI dst, immI11 src) %{ | |
6253 match(Set dst (CMoveI (Binary cmp fcc) (Binary dst src))); | |
6254 ins_cost(140); | |
6255 size(4); | |
6256 format %{ "MOV$cmp $fcc,$src,$dst" %} | |
6257 ins_encode( enc_cmov_imm_f(cmp,dst,src, fcc) ); | |
6258 ins_pipe(ialu_imm); | |
6259 %} | |
6260 | |
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6261 // Conditional move for RegN. Only cmov(reg,reg). |
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6262 instruct cmovNP_reg(cmpOpP cmp, flagsRegP pcc, iRegN dst, iRegN src) %{ |
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6263 match(Set dst (CMoveN (Binary cmp pcc) (Binary dst src))); |
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6264 ins_cost(150); |
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6265 format %{ "MOV$cmp $pcc,$src,$dst" %} |
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6266 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) ); |
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6267 ins_pipe(ialu_reg); |
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6268 %} |
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6269 |
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6270 // This instruction also works with CmpN so we don't need cmovNN_reg. |
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6271 instruct cmovNI_reg(cmpOp cmp, flagsReg icc, iRegN dst, iRegN src) %{ |
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6272 match(Set dst (CMoveN (Binary cmp icc) (Binary dst src))); |
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6273 ins_cost(150); |
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6274 size(4); |
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6275 format %{ "MOV$cmp $icc,$src,$dst" %} |
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6276 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) ); |
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6277 ins_pipe(ialu_reg); |
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6278 %} |
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6279 |
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6280 instruct cmovNF_reg(cmpOpF cmp, flagsRegF fcc, iRegN dst, iRegN src) %{ |
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6281 match(Set dst (CMoveN (Binary cmp fcc) (Binary dst src))); |
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6282 ins_cost(150); |
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6283 size(4); |
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6284 format %{ "MOV$cmp $fcc,$src,$dst" %} |
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6285 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) ); |
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6286 ins_pipe(ialu_reg); |
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6287 %} |
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6288 |
0 | 6289 // Conditional move |
6290 instruct cmovPP_reg(cmpOpP cmp, flagsRegP pcc, iRegP dst, iRegP src) %{ | |
6291 match(Set dst (CMoveP (Binary cmp pcc) (Binary dst src))); | |
6292 ins_cost(150); | |
6293 format %{ "MOV$cmp $pcc,$src,$dst\t! ptr" %} | |
6294 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6295 ins_pipe(ialu_reg); | |
6296 %} | |
6297 | |
6298 instruct cmovPP_imm(cmpOpP cmp, flagsRegP pcc, iRegP dst, immP0 src) %{ | |
6299 match(Set dst (CMoveP (Binary cmp pcc) (Binary dst src))); | |
6300 ins_cost(140); | |
6301 format %{ "MOV$cmp $pcc,$src,$dst\t! ptr" %} | |
6302 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6303 ins_pipe(ialu_imm); | |
6304 %} | |
6305 | |
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6306 // This instruction also works with CmpN so we don't need cmovPN_reg. |
0 | 6307 instruct cmovPI_reg(cmpOp cmp, flagsReg icc, iRegP dst, iRegP src) %{ |
6308 match(Set dst (CMoveP (Binary cmp icc) (Binary dst src))); | |
6309 ins_cost(150); | |
6310 | |
6311 size(4); | |
6312 format %{ "MOV$cmp $icc,$src,$dst\t! ptr" %} | |
6313 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) ); | |
6314 ins_pipe(ialu_reg); | |
6315 %} | |
6316 | |
6317 instruct cmovPI_imm(cmpOp cmp, flagsReg icc, iRegP dst, immP0 src) %{ | |
6318 match(Set dst (CMoveP (Binary cmp icc) (Binary dst src))); | |
6319 ins_cost(140); | |
6320 | |
6321 size(4); | |
6322 format %{ "MOV$cmp $icc,$src,$dst\t! ptr" %} | |
6323 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) ); | |
6324 ins_pipe(ialu_imm); | |
6325 %} | |
6326 | |
6327 instruct cmovPF_reg(cmpOpF cmp, flagsRegF fcc, iRegP dst, iRegP src) %{ | |
6328 match(Set dst (CMoveP (Binary cmp fcc) (Binary dst src))); | |
6329 ins_cost(150); | |
6330 size(4); | |
6331 format %{ "MOV$cmp $fcc,$src,$dst" %} | |
6332 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) ); | |
6333 ins_pipe(ialu_imm); | |
6334 %} | |
6335 | |
6336 instruct cmovPF_imm(cmpOpF cmp, flagsRegF fcc, iRegP dst, immP0 src) %{ | |
6337 match(Set dst (CMoveP (Binary cmp fcc) (Binary dst src))); | |
6338 ins_cost(140); | |
6339 size(4); | |
6340 format %{ "MOV$cmp $fcc,$src,$dst" %} | |
6341 ins_encode( enc_cmov_imm_f(cmp,dst,src, fcc) ); | |
6342 ins_pipe(ialu_imm); | |
6343 %} | |
6344 | |
6345 // Conditional move | |
6346 instruct cmovFP_reg(cmpOpP cmp, flagsRegP pcc, regF dst, regF src) %{ | |
6347 match(Set dst (CMoveF (Binary cmp pcc) (Binary dst src))); | |
6348 ins_cost(150); | |
6349 opcode(0x101); | |
6350 format %{ "FMOVD$cmp $pcc,$src,$dst" %} | |
6351 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6352 ins_pipe(int_conditional_float_move); | |
6353 %} | |
6354 | |
6355 instruct cmovFI_reg(cmpOp cmp, flagsReg icc, regF dst, regF src) %{ | |
6356 match(Set dst (CMoveF (Binary cmp icc) (Binary dst src))); | |
6357 ins_cost(150); | |
6358 | |
6359 size(4); | |
6360 format %{ "FMOVS$cmp $icc,$src,$dst" %} | |
6361 opcode(0x101); | |
6362 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::icc)) ); | |
6363 ins_pipe(int_conditional_float_move); | |
6364 %} | |
6365 | |
6366 // Conditional move, | |
6367 instruct cmovFF_reg(cmpOpF cmp, flagsRegF fcc, regF dst, regF src) %{ | |
6368 match(Set dst (CMoveF (Binary cmp fcc) (Binary dst src))); | |
6369 ins_cost(150); | |
6370 size(4); | |
6371 format %{ "FMOVF$cmp $fcc,$src,$dst" %} | |
6372 opcode(0x1); | |
6373 ins_encode( enc_cmovff_reg(cmp,fcc,dst,src) ); | |
6374 ins_pipe(int_conditional_double_move); | |
6375 %} | |
6376 | |
6377 // Conditional move | |
6378 instruct cmovDP_reg(cmpOpP cmp, flagsRegP pcc, regD dst, regD src) %{ | |
6379 match(Set dst (CMoveD (Binary cmp pcc) (Binary dst src))); | |
6380 ins_cost(150); | |
6381 size(4); | |
6382 opcode(0x102); | |
6383 format %{ "FMOVD$cmp $pcc,$src,$dst" %} | |
6384 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6385 ins_pipe(int_conditional_double_move); | |
6386 %} | |
6387 | |
6388 instruct cmovDI_reg(cmpOp cmp, flagsReg icc, regD dst, regD src) %{ | |
6389 match(Set dst (CMoveD (Binary cmp icc) (Binary dst src))); | |
6390 ins_cost(150); | |
6391 | |
6392 size(4); | |
6393 format %{ "FMOVD$cmp $icc,$src,$dst" %} | |
6394 opcode(0x102); | |
6395 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::icc)) ); | |
6396 ins_pipe(int_conditional_double_move); | |
6397 %} | |
6398 | |
6399 // Conditional move, | |
6400 instruct cmovDF_reg(cmpOpF cmp, flagsRegF fcc, regD dst, regD src) %{ | |
6401 match(Set dst (CMoveD (Binary cmp fcc) (Binary dst src))); | |
6402 ins_cost(150); | |
6403 size(4); | |
6404 format %{ "FMOVD$cmp $fcc,$src,$dst" %} | |
6405 opcode(0x2); | |
6406 ins_encode( enc_cmovff_reg(cmp,fcc,dst,src) ); | |
6407 ins_pipe(int_conditional_double_move); | |
6408 %} | |
6409 | |
6410 // Conditional move | |
6411 instruct cmovLP_reg(cmpOpP cmp, flagsRegP pcc, iRegL dst, iRegL src) %{ | |
6412 match(Set dst (CMoveL (Binary cmp pcc) (Binary dst src))); | |
6413 ins_cost(150); | |
6414 format %{ "MOV$cmp $pcc,$src,$dst\t! long" %} | |
6415 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6416 ins_pipe(ialu_reg); | |
6417 %} | |
6418 | |
6419 instruct cmovLP_imm(cmpOpP cmp, flagsRegP pcc, iRegL dst, immI11 src) %{ | |
6420 match(Set dst (CMoveL (Binary cmp pcc) (Binary dst src))); | |
6421 ins_cost(140); | |
6422 format %{ "MOV$cmp $pcc,$src,$dst\t! long" %} | |
6423 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) ); | |
6424 ins_pipe(ialu_imm); | |
6425 %} | |
6426 | |
6427 instruct cmovLI_reg(cmpOp cmp, flagsReg icc, iRegL dst, iRegL src) %{ | |
6428 match(Set dst (CMoveL (Binary cmp icc) (Binary dst src))); | |
6429 ins_cost(150); | |
6430 | |
6431 size(4); | |
6432 format %{ "MOV$cmp $icc,$src,$dst\t! long" %} | |
6433 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) ); | |
6434 ins_pipe(ialu_reg); | |
6435 %} | |
6436 | |
6437 | |
6438 instruct cmovLF_reg(cmpOpF cmp, flagsRegF fcc, iRegL dst, iRegL src) %{ | |
6439 match(Set dst (CMoveL (Binary cmp fcc) (Binary dst src))); | |
6440 ins_cost(150); | |
6441 | |
6442 size(4); | |
6443 format %{ "MOV$cmp $fcc,$src,$dst\t! long" %} | |
6444 ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) ); | |
6445 ins_pipe(ialu_reg); | |
6446 %} | |
6447 | |
6448 | |
6449 | |
6450 //----------OS and Locking Instructions---------------------------------------- | |
6451 | |
6452 // This name is KNOWN by the ADLC and cannot be changed. | |
6453 // The ADLC forces a 'TypeRawPtr::BOTTOM' output type | |
6454 // for this guy. | |
6455 instruct tlsLoadP(g2RegP dst) %{ | |
6456 match(Set dst (ThreadLocal)); | |
6457 | |
6458 size(0); | |
6459 ins_cost(0); | |
6460 format %{ "# TLS is in G2" %} | |
6461 ins_encode( /*empty encoding*/ ); | |
6462 ins_pipe(ialu_none); | |
6463 %} | |
6464 | |
6465 instruct checkCastPP( iRegP dst ) %{ | |
6466 match(Set dst (CheckCastPP dst)); | |
6467 | |
6468 size(0); | |
6469 format %{ "# checkcastPP of $dst" %} | |
6470 ins_encode( /*empty encoding*/ ); | |
6471 ins_pipe(empty); | |
6472 %} | |
6473 | |
6474 | |
6475 instruct castPP( iRegP dst ) %{ | |
6476 match(Set dst (CastPP dst)); | |
6477 format %{ "# castPP of $dst" %} | |
6478 ins_encode( /*empty encoding*/ ); | |
6479 ins_pipe(empty); | |
6480 %} | |
6481 | |
6482 instruct castII( iRegI dst ) %{ | |
6483 match(Set dst (CastII dst)); | |
6484 format %{ "# castII of $dst" %} | |
6485 ins_encode( /*empty encoding*/ ); | |
6486 ins_cost(0); | |
6487 ins_pipe(empty); | |
6488 %} | |
6489 | |
6490 //----------Arithmetic Instructions-------------------------------------------- | |
6491 // Addition Instructions | |
6492 // Register Addition | |
6493 instruct addI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
6494 match(Set dst (AddI src1 src2)); | |
6495 | |
6496 size(4); | |
6497 format %{ "ADD $src1,$src2,$dst" %} | |
6498 ins_encode %{ | |
6499 __ add($src1$$Register, $src2$$Register, $dst$$Register); | |
6500 %} | |
6501 ins_pipe(ialu_reg_reg); | |
6502 %} | |
6503 | |
6504 // Immediate Addition | |
6505 instruct addI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{ | |
6506 match(Set dst (AddI src1 src2)); | |
6507 | |
6508 size(4); | |
6509 format %{ "ADD $src1,$src2,$dst" %} | |
6510 opcode(Assembler::add_op3, Assembler::arith_op); | |
6511 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6512 ins_pipe(ialu_reg_imm); | |
6513 %} | |
6514 | |
6515 // Pointer Register Addition | |
6516 instruct addP_reg_reg(iRegP dst, iRegP src1, iRegX src2) %{ | |
6517 match(Set dst (AddP src1 src2)); | |
6518 | |
6519 size(4); | |
6520 format %{ "ADD $src1,$src2,$dst" %} | |
6521 opcode(Assembler::add_op3, Assembler::arith_op); | |
6522 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6523 ins_pipe(ialu_reg_reg); | |
6524 %} | |
6525 | |
6526 // Pointer Immediate Addition | |
6527 instruct addP_reg_imm13(iRegP dst, iRegP src1, immX13 src2) %{ | |
6528 match(Set dst (AddP src1 src2)); | |
6529 | |
6530 size(4); | |
6531 format %{ "ADD $src1,$src2,$dst" %} | |
6532 opcode(Assembler::add_op3, Assembler::arith_op); | |
6533 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6534 ins_pipe(ialu_reg_imm); | |
6535 %} | |
6536 | |
6537 // Long Addition | |
6538 instruct addL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
6539 match(Set dst (AddL src1 src2)); | |
6540 | |
6541 size(4); | |
6542 format %{ "ADD $src1,$src2,$dst\t! long" %} | |
6543 opcode(Assembler::add_op3, Assembler::arith_op); | |
6544 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6545 ins_pipe(ialu_reg_reg); | |
6546 %} | |
6547 | |
6548 instruct addL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{ | |
6549 match(Set dst (AddL src1 con)); | |
6550 | |
6551 size(4); | |
6552 format %{ "ADD $src1,$con,$dst" %} | |
6553 opcode(Assembler::add_op3, Assembler::arith_op); | |
6554 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) ); | |
6555 ins_pipe(ialu_reg_imm); | |
6556 %} | |
6557 | |
6558 //----------Conditional_store-------------------------------------------------- | |
6559 // Conditional-store of the updated heap-top. | |
6560 // Used during allocation of the shared heap. | |
6561 // Sets flags (EQ) on success. Implemented with a CASA on Sparc. | |
6562 | |
6563 // LoadP-locked. Same as a regular pointer load when used with a compare-swap | |
6564 instruct loadPLocked(iRegP dst, memory mem) %{ | |
6565 match(Set dst (LoadPLocked mem)); | |
6566 ins_cost(MEMORY_REF_COST); | |
6567 | |
6568 #ifndef _LP64 | |
6569 size(4); | |
6570 format %{ "LDUW $mem,$dst\t! ptr" %} | |
6571 opcode(Assembler::lduw_op3, 0, REGP_OP); | |
6572 #else | |
6573 format %{ "LDX $mem,$dst\t! ptr" %} | |
6574 opcode(Assembler::ldx_op3, 0, REGP_OP); | |
6575 #endif | |
6576 ins_encode( form3_mem_reg( mem, dst ) ); | |
6577 ins_pipe(iload_mem); | |
6578 %} | |
6579 | |
6580 // LoadL-locked. Same as a regular long load when used with a compare-swap | |
6581 instruct loadLLocked(iRegL dst, memory mem) %{ | |
6582 match(Set dst (LoadLLocked mem)); | |
6583 ins_cost(MEMORY_REF_COST); | |
6584 size(4); | |
6585 format %{ "LDX $mem,$dst\t! long" %} | |
6586 opcode(Assembler::ldx_op3); | |
6587 ins_encode( form3_mem_reg( mem, dst ) ); | |
6588 ins_pipe(iload_mem); | |
6589 %} | |
6590 | |
6591 instruct storePConditional( iRegP heap_top_ptr, iRegP oldval, g3RegP newval, flagsRegP pcc ) %{ | |
6592 match(Set pcc (StorePConditional heap_top_ptr (Binary oldval newval))); | |
6593 effect( KILL newval ); | |
6594 format %{ "CASA [$heap_top_ptr],$oldval,R_G3\t! If $oldval==[$heap_top_ptr] Then store R_G3 into [$heap_top_ptr], set R_G3=[$heap_top_ptr] in any case\n\t" | |
6595 "CMP R_G3,$oldval\t\t! See if we made progress" %} | |
6596 ins_encode( enc_cas(heap_top_ptr,oldval,newval) ); | |
6597 ins_pipe( long_memory_op ); | |
6598 %} | |
6599 | |
6600 instruct storeLConditional_bool(iRegP mem_ptr, iRegL oldval, iRegL newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{ | |
6601 match(Set res (StoreLConditional mem_ptr (Binary oldval newval))); | |
6602 effect( USE mem_ptr, KILL ccr, KILL tmp1); | |
6603 // Marshal the register pairs into V9 64-bit registers, then do the compare-and-swap | |
6604 format %{ | |
6605 "MOV $newval,R_O7\n\t" | |
6606 "CASXA [$mem_ptr],$oldval,R_O7\t! If $oldval==[$mem_ptr] Then store R_O7 into [$mem_ptr], set R_O7=[$mem_ptr] in any case\n\t" | |
6607 "CMP $oldval,R_O7\t\t! See if we made progress\n\t" | |
6608 "MOV 1,$res\n\t" | |
6609 "MOVne xcc,R_G0,$res" | |
6610 %} | |
6611 ins_encode( enc_casx(mem_ptr, oldval, newval), | |
6612 enc_lflags_ne_to_boolean(res) ); | |
6613 ins_pipe( long_memory_op ); | |
6614 %} | |
6615 | |
6616 instruct storeLConditional_flags(iRegP mem_ptr, iRegL oldval, iRegL newval, flagsRegL xcc, o7RegI tmp1, immI0 zero) %{ | |
6617 match(Set xcc (CmpI (StoreLConditional mem_ptr (Binary oldval newval)) zero)); | |
6618 effect( USE mem_ptr, KILL tmp1); | |
6619 // Marshal the register pairs into V9 64-bit registers, then do the compare-and-swap | |
6620 format %{ | |
6621 "MOV $newval,R_O7\n\t" | |
6622 "CASXA [$mem_ptr],$oldval,R_O7\t! If $oldval==[$mem_ptr] Then store R_O7 into [$mem_ptr], set R_O7=[$mem_ptr] in any case\n\t" | |
6623 "CMP $oldval,R_O7\t\t! See if we made progress" | |
6624 %} | |
6625 ins_encode( enc_casx(mem_ptr, oldval, newval)); | |
6626 ins_pipe( long_memory_op ); | |
6627 %} | |
6628 | |
6629 // No flag versions for CompareAndSwap{P,I,L} because matcher can't match them | |
6630 | |
6631 instruct compareAndSwapL_bool(iRegP mem_ptr, iRegL oldval, iRegL newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{ | |
6632 match(Set res (CompareAndSwapL mem_ptr (Binary oldval newval))); | |
6633 effect( USE mem_ptr, KILL ccr, KILL tmp1); | |
6634 format %{ | |
6635 "MOV $newval,O7\n\t" | |
6636 "CASXA [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t" | |
6637 "CMP $oldval,O7\t\t! See if we made progress\n\t" | |
6638 "MOV 1,$res\n\t" | |
6639 "MOVne xcc,R_G0,$res" | |
6640 %} | |
6641 ins_encode( enc_casx(mem_ptr, oldval, newval), | |
6642 enc_lflags_ne_to_boolean(res) ); | |
6643 ins_pipe( long_memory_op ); | |
6644 %} | |
6645 | |
6646 | |
6647 instruct compareAndSwapI_bool(iRegP mem_ptr, iRegI oldval, iRegI newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{ | |
6648 match(Set res (CompareAndSwapI mem_ptr (Binary oldval newval))); | |
6649 effect( USE mem_ptr, KILL ccr, KILL tmp1); | |
6650 format %{ | |
6651 "MOV $newval,O7\n\t" | |
6652 "CASA [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t" | |
6653 "CMP $oldval,O7\t\t! See if we made progress\n\t" | |
6654 "MOV 1,$res\n\t" | |
6655 "MOVne icc,R_G0,$res" | |
6656 %} | |
6657 ins_encode( enc_casi(mem_ptr, oldval, newval), | |
6658 enc_iflags_ne_to_boolean(res) ); | |
6659 ins_pipe( long_memory_op ); | |
6660 %} | |
6661 | |
6662 instruct compareAndSwapP_bool(iRegP mem_ptr, iRegP oldval, iRegP newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{ | |
6663 match(Set res (CompareAndSwapP mem_ptr (Binary oldval newval))); | |
6664 effect( USE mem_ptr, KILL ccr, KILL tmp1); | |
6665 format %{ | |
6666 "MOV $newval,O7\n\t" | |
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6667 "CASA_PTR [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t" |
0 | 6668 "CMP $oldval,O7\t\t! See if we made progress\n\t" |
6669 "MOV 1,$res\n\t" | |
6670 "MOVne xcc,R_G0,$res" | |
6671 %} | |
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6672 #ifdef _LP64 |
0 | 6673 ins_encode( enc_casx(mem_ptr, oldval, newval), |
6674 enc_lflags_ne_to_boolean(res) ); | |
6675 #else | |
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6676 ins_encode( enc_casi(mem_ptr, oldval, newval), |
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6677 enc_iflags_ne_to_boolean(res) ); |
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6678 #endif |
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6679 ins_pipe( long_memory_op ); |
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6680 %} |
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6681 |
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6682 instruct compareAndSwapN_bool(iRegP mem_ptr, iRegN oldval, iRegN newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{ |
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6683 match(Set res (CompareAndSwapN mem_ptr (Binary oldval newval))); |
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6684 effect( USE mem_ptr, KILL ccr, KILL tmp1); |
0 | 6685 format %{ |
6686 "MOV $newval,O7\n\t" | |
6687 "CASA [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t" | |
6688 "CMP $oldval,O7\t\t! See if we made progress\n\t" | |
6689 "MOV 1,$res\n\t" | |
6690 "MOVne icc,R_G0,$res" | |
6691 %} | |
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6692 ins_encode( enc_casi(mem_ptr, oldval, newval), |
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6693 enc_iflags_ne_to_boolean(res) ); |
0 | 6694 ins_pipe( long_memory_op ); |
6695 %} | |
6696 | |
6697 //--------------------- | |
6698 // Subtraction Instructions | |
6699 // Register Subtraction | |
6700 instruct subI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
6701 match(Set dst (SubI src1 src2)); | |
6702 | |
6703 size(4); | |
6704 format %{ "SUB $src1,$src2,$dst" %} | |
6705 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6706 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6707 ins_pipe(ialu_reg_reg); | |
6708 %} | |
6709 | |
6710 // Immediate Subtraction | |
6711 instruct subI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{ | |
6712 match(Set dst (SubI src1 src2)); | |
6713 | |
6714 size(4); | |
6715 format %{ "SUB $src1,$src2,$dst" %} | |
6716 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6717 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6718 ins_pipe(ialu_reg_imm); | |
6719 %} | |
6720 | |
6721 instruct subI_zero_reg(iRegI dst, immI0 zero, iRegI src2) %{ | |
6722 match(Set dst (SubI zero src2)); | |
6723 | |
6724 size(4); | |
6725 format %{ "NEG $src2,$dst" %} | |
6726 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6727 ins_encode( form3_rs1_rs2_rd( R_G0, src2, dst ) ); | |
6728 ins_pipe(ialu_zero_reg); | |
6729 %} | |
6730 | |
6731 // Long subtraction | |
6732 instruct subL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
6733 match(Set dst (SubL src1 src2)); | |
6734 | |
6735 size(4); | |
6736 format %{ "SUB $src1,$src2,$dst\t! long" %} | |
6737 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6738 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6739 ins_pipe(ialu_reg_reg); | |
6740 %} | |
6741 | |
6742 // Immediate Subtraction | |
6743 instruct subL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{ | |
6744 match(Set dst (SubL src1 con)); | |
6745 | |
6746 size(4); | |
6747 format %{ "SUB $src1,$con,$dst\t! long" %} | |
6748 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6749 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) ); | |
6750 ins_pipe(ialu_reg_imm); | |
6751 %} | |
6752 | |
6753 // Long negation | |
6754 instruct negL_reg_reg(iRegL dst, immL0 zero, iRegL src2) %{ | |
6755 match(Set dst (SubL zero src2)); | |
6756 | |
6757 size(4); | |
6758 format %{ "NEG $src2,$dst\t! long" %} | |
6759 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6760 ins_encode( form3_rs1_rs2_rd( R_G0, src2, dst ) ); | |
6761 ins_pipe(ialu_zero_reg); | |
6762 %} | |
6763 | |
6764 // Multiplication Instructions | |
6765 // Integer Multiplication | |
6766 // Register Multiplication | |
6767 instruct mulI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
6768 match(Set dst (MulI src1 src2)); | |
6769 | |
6770 size(4); | |
6771 format %{ "MULX $src1,$src2,$dst" %} | |
6772 opcode(Assembler::mulx_op3, Assembler::arith_op); | |
6773 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6774 ins_pipe(imul_reg_reg); | |
6775 %} | |
6776 | |
6777 // Immediate Multiplication | |
6778 instruct mulI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{ | |
6779 match(Set dst (MulI src1 src2)); | |
6780 | |
6781 size(4); | |
6782 format %{ "MULX $src1,$src2,$dst" %} | |
6783 opcode(Assembler::mulx_op3, Assembler::arith_op); | |
6784 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6785 ins_pipe(imul_reg_imm); | |
6786 %} | |
6787 | |
6788 instruct mulL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
6789 match(Set dst (MulL src1 src2)); | |
6790 ins_cost(DEFAULT_COST * 5); | |
6791 size(4); | |
6792 format %{ "MULX $src1,$src2,$dst\t! long" %} | |
6793 opcode(Assembler::mulx_op3, Assembler::arith_op); | |
6794 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6795 ins_pipe(mulL_reg_reg); | |
6796 %} | |
6797 | |
6798 // Immediate Multiplication | |
6799 instruct mulL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{ | |
6800 match(Set dst (MulL src1 src2)); | |
6801 ins_cost(DEFAULT_COST * 5); | |
6802 size(4); | |
6803 format %{ "MULX $src1,$src2,$dst" %} | |
6804 opcode(Assembler::mulx_op3, Assembler::arith_op); | |
6805 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6806 ins_pipe(mulL_reg_imm); | |
6807 %} | |
6808 | |
6809 // Integer Division | |
6810 // Register Division | |
6811 instruct divI_reg_reg(iRegI dst, iRegIsafe src1, iRegIsafe src2) %{ | |
6812 match(Set dst (DivI src1 src2)); | |
6813 ins_cost((2+71)*DEFAULT_COST); | |
6814 | |
6815 format %{ "SRA $src2,0,$src2\n\t" | |
6816 "SRA $src1,0,$src1\n\t" | |
6817 "SDIVX $src1,$src2,$dst" %} | |
6818 ins_encode( idiv_reg( src1, src2, dst ) ); | |
6819 ins_pipe(sdiv_reg_reg); | |
6820 %} | |
6821 | |
6822 // Immediate Division | |
6823 instruct divI_reg_imm13(iRegI dst, iRegIsafe src1, immI13 src2) %{ | |
6824 match(Set dst (DivI src1 src2)); | |
6825 ins_cost((2+71)*DEFAULT_COST); | |
6826 | |
6827 format %{ "SRA $src1,0,$src1\n\t" | |
6828 "SDIVX $src1,$src2,$dst" %} | |
6829 ins_encode( idiv_imm( src1, src2, dst ) ); | |
6830 ins_pipe(sdiv_reg_imm); | |
6831 %} | |
6832 | |
6833 //----------Div-By-10-Expansion------------------------------------------------ | |
6834 // Extract hi bits of a 32x32->64 bit multiply. | |
6835 // Expand rule only, not matched | |
6836 instruct mul_hi(iRegIsafe dst, iRegIsafe src1, iRegIsafe src2 ) %{ | |
6837 effect( DEF dst, USE src1, USE src2 ); | |
6838 format %{ "MULX $src1,$src2,$dst\t! Used in div-by-10\n\t" | |
6839 "SRLX $dst,#32,$dst\t\t! Extract only hi word of result" %} | |
6840 ins_encode( enc_mul_hi(dst,src1,src2)); | |
6841 ins_pipe(sdiv_reg_reg); | |
6842 %} | |
6843 | |
6844 // Magic constant, reciprical of 10 | |
6845 instruct loadConI_x66666667(iRegIsafe dst) %{ | |
6846 effect( DEF dst ); | |
6847 | |
6848 size(8); | |
6849 format %{ "SET 0x66666667,$dst\t! Used in div-by-10" %} | |
6850 ins_encode( Set32(0x66666667, dst) ); | |
6851 ins_pipe(ialu_hi_lo_reg); | |
6852 %} | |
6853 | |
6854 // Register Shift Right Arithmatic Long by 32-63 | |
6855 instruct sra_31( iRegI dst, iRegI src ) %{ | |
6856 effect( DEF dst, USE src ); | |
6857 format %{ "SRA $src,31,$dst\t! Used in div-by-10" %} | |
6858 ins_encode( form3_rs1_rd_copysign_hi(src,dst) ); | |
6859 ins_pipe(ialu_reg_reg); | |
6860 %} | |
6861 | |
6862 // Arithmetic Shift Right by 8-bit immediate | |
6863 instruct sra_reg_2( iRegI dst, iRegI src ) %{ | |
6864 effect( DEF dst, USE src ); | |
6865 format %{ "SRA $src,2,$dst\t! Used in div-by-10" %} | |
6866 opcode(Assembler::sra_op3, Assembler::arith_op); | |
6867 ins_encode( form3_rs1_simm13_rd( src, 0x2, dst ) ); | |
6868 ins_pipe(ialu_reg_imm); | |
6869 %} | |
6870 | |
6871 // Integer DIV with 10 | |
6872 instruct divI_10( iRegI dst, iRegIsafe src, immI10 div ) %{ | |
6873 match(Set dst (DivI src div)); | |
6874 ins_cost((6+6)*DEFAULT_COST); | |
6875 expand %{ | |
6876 iRegIsafe tmp1; // Killed temps; | |
6877 iRegIsafe tmp2; // Killed temps; | |
6878 iRegI tmp3; // Killed temps; | |
6879 iRegI tmp4; // Killed temps; | |
6880 loadConI_x66666667( tmp1 ); // SET 0x66666667 -> tmp1 | |
6881 mul_hi( tmp2, src, tmp1 ); // MUL hibits(src * tmp1) -> tmp2 | |
6882 sra_31( tmp3, src ); // SRA src,31 -> tmp3 | |
6883 sra_reg_2( tmp4, tmp2 ); // SRA tmp2,2 -> tmp4 | |
6884 subI_reg_reg( dst,tmp4,tmp3); // SUB tmp4 - tmp3 -> dst | |
6885 %} | |
6886 %} | |
6887 | |
6888 // Register Long Division | |
6889 instruct divL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
6890 match(Set dst (DivL src1 src2)); | |
6891 ins_cost(DEFAULT_COST*71); | |
6892 size(4); | |
6893 format %{ "SDIVX $src1,$src2,$dst\t! long" %} | |
6894 opcode(Assembler::sdivx_op3, Assembler::arith_op); | |
6895 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6896 ins_pipe(divL_reg_reg); | |
6897 %} | |
6898 | |
6899 // Register Long Division | |
6900 instruct divL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{ | |
6901 match(Set dst (DivL src1 src2)); | |
6902 ins_cost(DEFAULT_COST*71); | |
6903 size(4); | |
6904 format %{ "SDIVX $src1,$src2,$dst\t! long" %} | |
6905 opcode(Assembler::sdivx_op3, Assembler::arith_op); | |
6906 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6907 ins_pipe(divL_reg_imm); | |
6908 %} | |
6909 | |
6910 // Integer Remainder | |
6911 // Register Remainder | |
6912 instruct modI_reg_reg(iRegI dst, iRegIsafe src1, iRegIsafe src2, o7RegP temp, flagsReg ccr ) %{ | |
6913 match(Set dst (ModI src1 src2)); | |
6914 effect( KILL ccr, KILL temp); | |
6915 | |
6916 format %{ "SREM $src1,$src2,$dst" %} | |
6917 ins_encode( irem_reg(src1, src2, dst, temp) ); | |
6918 ins_pipe(sdiv_reg_reg); | |
6919 %} | |
6920 | |
6921 // Immediate Remainder | |
6922 instruct modI_reg_imm13(iRegI dst, iRegIsafe src1, immI13 src2, o7RegP temp, flagsReg ccr ) %{ | |
6923 match(Set dst (ModI src1 src2)); | |
6924 effect( KILL ccr, KILL temp); | |
6925 | |
6926 format %{ "SREM $src1,$src2,$dst" %} | |
6927 ins_encode( irem_imm(src1, src2, dst, temp) ); | |
6928 ins_pipe(sdiv_reg_imm); | |
6929 %} | |
6930 | |
6931 // Register Long Remainder | |
6932 instruct divL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{ | |
6933 effect(DEF dst, USE src1, USE src2); | |
6934 size(4); | |
6935 format %{ "SDIVX $src1,$src2,$dst\t! long" %} | |
6936 opcode(Assembler::sdivx_op3, Assembler::arith_op); | |
6937 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6938 ins_pipe(divL_reg_reg); | |
6939 %} | |
6940 | |
6941 // Register Long Division | |
6942 instruct divL_reg_imm13_1(iRegL dst, iRegL src1, immL13 src2) %{ | |
6943 effect(DEF dst, USE src1, USE src2); | |
6944 size(4); | |
6945 format %{ "SDIVX $src1,$src2,$dst\t! long" %} | |
6946 opcode(Assembler::sdivx_op3, Assembler::arith_op); | |
6947 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6948 ins_pipe(divL_reg_imm); | |
6949 %} | |
6950 | |
6951 instruct mulL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{ | |
6952 effect(DEF dst, USE src1, USE src2); | |
6953 size(4); | |
6954 format %{ "MULX $src1,$src2,$dst\t! long" %} | |
6955 opcode(Assembler::mulx_op3, Assembler::arith_op); | |
6956 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6957 ins_pipe(mulL_reg_reg); | |
6958 %} | |
6959 | |
6960 // Immediate Multiplication | |
6961 instruct mulL_reg_imm13_1(iRegL dst, iRegL src1, immL13 src2) %{ | |
6962 effect(DEF dst, USE src1, USE src2); | |
6963 size(4); | |
6964 format %{ "MULX $src1,$src2,$dst" %} | |
6965 opcode(Assembler::mulx_op3, Assembler::arith_op); | |
6966 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
6967 ins_pipe(mulL_reg_imm); | |
6968 %} | |
6969 | |
6970 instruct subL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{ | |
6971 effect(DEF dst, USE src1, USE src2); | |
6972 size(4); | |
6973 format %{ "SUB $src1,$src2,$dst\t! long" %} | |
6974 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6975 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6976 ins_pipe(ialu_reg_reg); | |
6977 %} | |
6978 | |
6979 instruct subL_reg_reg_2(iRegL dst, iRegL src1, iRegL src2) %{ | |
6980 effect(DEF dst, USE src1, USE src2); | |
6981 size(4); | |
6982 format %{ "SUB $src1,$src2,$dst\t! long" %} | |
6983 opcode(Assembler::sub_op3, Assembler::arith_op); | |
6984 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
6985 ins_pipe(ialu_reg_reg); | |
6986 %} | |
6987 | |
6988 // Register Long Remainder | |
6989 instruct modL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
6990 match(Set dst (ModL src1 src2)); | |
6991 ins_cost(DEFAULT_COST*(71 + 6 + 1)); | |
6992 expand %{ | |
6993 iRegL tmp1; | |
6994 iRegL tmp2; | |
6995 divL_reg_reg_1(tmp1, src1, src2); | |
6996 mulL_reg_reg_1(tmp2, tmp1, src2); | |
6997 subL_reg_reg_1(dst, src1, tmp2); | |
6998 %} | |
6999 %} | |
7000 | |
7001 // Register Long Remainder | |
7002 instruct modL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{ | |
7003 match(Set dst (ModL src1 src2)); | |
7004 ins_cost(DEFAULT_COST*(71 + 6 + 1)); | |
7005 expand %{ | |
7006 iRegL tmp1; | |
7007 iRegL tmp2; | |
7008 divL_reg_imm13_1(tmp1, src1, src2); | |
7009 mulL_reg_imm13_1(tmp2, tmp1, src2); | |
7010 subL_reg_reg_2 (dst, src1, tmp2); | |
7011 %} | |
7012 %} | |
7013 | |
7014 // Integer Shift Instructions | |
7015 // Register Shift Left | |
7016 instruct shlI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
7017 match(Set dst (LShiftI src1 src2)); | |
7018 | |
7019 size(4); | |
7020 format %{ "SLL $src1,$src2,$dst" %} | |
7021 opcode(Assembler::sll_op3, Assembler::arith_op); | |
7022 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7023 ins_pipe(ialu_reg_reg); | |
7024 %} | |
7025 | |
7026 // Register Shift Left Immediate | |
7027 instruct shlI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{ | |
7028 match(Set dst (LShiftI src1 src2)); | |
7029 | |
7030 size(4); | |
7031 format %{ "SLL $src1,$src2,$dst" %} | |
7032 opcode(Assembler::sll_op3, Assembler::arith_op); | |
7033 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) ); | |
7034 ins_pipe(ialu_reg_imm); | |
7035 %} | |
7036 | |
7037 // Register Shift Left | |
7038 instruct shlL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{ | |
7039 match(Set dst (LShiftL src1 src2)); | |
7040 | |
7041 size(4); | |
7042 format %{ "SLLX $src1,$src2,$dst" %} | |
7043 opcode(Assembler::sllx_op3, Assembler::arith_op); | |
7044 ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) ); | |
7045 ins_pipe(ialu_reg_reg); | |
7046 %} | |
7047 | |
7048 // Register Shift Left Immediate | |
7049 instruct shlL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{ | |
7050 match(Set dst (LShiftL src1 src2)); | |
7051 | |
7052 size(4); | |
7053 format %{ "SLLX $src1,$src2,$dst" %} | |
7054 opcode(Assembler::sllx_op3, Assembler::arith_op); | |
7055 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) ); | |
7056 ins_pipe(ialu_reg_imm); | |
7057 %} | |
7058 | |
7059 // Register Arithmetic Shift Right | |
7060 instruct sarI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
7061 match(Set dst (RShiftI src1 src2)); | |
7062 size(4); | |
7063 format %{ "SRA $src1,$src2,$dst" %} | |
7064 opcode(Assembler::sra_op3, Assembler::arith_op); | |
7065 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7066 ins_pipe(ialu_reg_reg); | |
7067 %} | |
7068 | |
7069 // Register Arithmetic Shift Right Immediate | |
7070 instruct sarI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{ | |
7071 match(Set dst (RShiftI src1 src2)); | |
7072 | |
7073 size(4); | |
7074 format %{ "SRA $src1,$src2,$dst" %} | |
7075 opcode(Assembler::sra_op3, Assembler::arith_op); | |
7076 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) ); | |
7077 ins_pipe(ialu_reg_imm); | |
7078 %} | |
7079 | |
7080 // Register Shift Right Arithmatic Long | |
7081 instruct sarL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{ | |
7082 match(Set dst (RShiftL src1 src2)); | |
7083 | |
7084 size(4); | |
7085 format %{ "SRAX $src1,$src2,$dst" %} | |
7086 opcode(Assembler::srax_op3, Assembler::arith_op); | |
7087 ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) ); | |
7088 ins_pipe(ialu_reg_reg); | |
7089 %} | |
7090 | |
7091 // Register Shift Left Immediate | |
7092 instruct sarL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{ | |
7093 match(Set dst (RShiftL src1 src2)); | |
7094 | |
7095 size(4); | |
7096 format %{ "SRAX $src1,$src2,$dst" %} | |
7097 opcode(Assembler::srax_op3, Assembler::arith_op); | |
7098 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) ); | |
7099 ins_pipe(ialu_reg_imm); | |
7100 %} | |
7101 | |
7102 // Register Shift Right | |
7103 instruct shrI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
7104 match(Set dst (URShiftI src1 src2)); | |
7105 | |
7106 size(4); | |
7107 format %{ "SRL $src1,$src2,$dst" %} | |
7108 opcode(Assembler::srl_op3, Assembler::arith_op); | |
7109 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7110 ins_pipe(ialu_reg_reg); | |
7111 %} | |
7112 | |
7113 // Register Shift Right Immediate | |
7114 instruct shrI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{ | |
7115 match(Set dst (URShiftI src1 src2)); | |
7116 | |
7117 size(4); | |
7118 format %{ "SRL $src1,$src2,$dst" %} | |
7119 opcode(Assembler::srl_op3, Assembler::arith_op); | |
7120 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) ); | |
7121 ins_pipe(ialu_reg_imm); | |
7122 %} | |
7123 | |
7124 // Register Shift Right | |
7125 instruct shrL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{ | |
7126 match(Set dst (URShiftL src1 src2)); | |
7127 | |
7128 size(4); | |
7129 format %{ "SRLX $src1,$src2,$dst" %} | |
7130 opcode(Assembler::srlx_op3, Assembler::arith_op); | |
7131 ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) ); | |
7132 ins_pipe(ialu_reg_reg); | |
7133 %} | |
7134 | |
7135 // Register Shift Right Immediate | |
7136 instruct shrL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{ | |
7137 match(Set dst (URShiftL src1 src2)); | |
7138 | |
7139 size(4); | |
7140 format %{ "SRLX $src1,$src2,$dst" %} | |
7141 opcode(Assembler::srlx_op3, Assembler::arith_op); | |
7142 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) ); | |
7143 ins_pipe(ialu_reg_imm); | |
7144 %} | |
7145 | |
7146 // Register Shift Right Immediate with a CastP2X | |
7147 #ifdef _LP64 | |
7148 instruct shrP_reg_imm6(iRegL dst, iRegP src1, immU6 src2) %{ | |
7149 match(Set dst (URShiftL (CastP2X src1) src2)); | |
7150 size(4); | |
7151 format %{ "SRLX $src1,$src2,$dst\t! Cast ptr $src1 to long and shift" %} | |
7152 opcode(Assembler::srlx_op3, Assembler::arith_op); | |
7153 ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) ); | |
7154 ins_pipe(ialu_reg_imm); | |
7155 %} | |
7156 #else | |
7157 instruct shrP_reg_imm5(iRegI dst, iRegP src1, immU5 src2) %{ | |
7158 match(Set dst (URShiftI (CastP2X src1) src2)); | |
7159 size(4); | |
7160 format %{ "SRL $src1,$src2,$dst\t! Cast ptr $src1 to int and shift" %} | |
7161 opcode(Assembler::srl_op3, Assembler::arith_op); | |
7162 ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) ); | |
7163 ins_pipe(ialu_reg_imm); | |
7164 %} | |
7165 #endif | |
7166 | |
7167 | |
7168 //----------Floating Point Arithmetic Instructions----------------------------- | |
7169 | |
7170 // Add float single precision | |
7171 instruct addF_reg_reg(regF dst, regF src1, regF src2) %{ | |
7172 match(Set dst (AddF src1 src2)); | |
7173 | |
7174 size(4); | |
7175 format %{ "FADDS $src1,$src2,$dst" %} | |
7176 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fadds_opf); | |
7177 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst)); | |
7178 ins_pipe(faddF_reg_reg); | |
7179 %} | |
7180 | |
7181 // Add float double precision | |
7182 instruct addD_reg_reg(regD dst, regD src1, regD src2) %{ | |
7183 match(Set dst (AddD src1 src2)); | |
7184 | |
7185 size(4); | |
7186 format %{ "FADDD $src1,$src2,$dst" %} | |
7187 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::faddd_opf); | |
7188 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7189 ins_pipe(faddD_reg_reg); | |
7190 %} | |
7191 | |
7192 // Sub float single precision | |
7193 instruct subF_reg_reg(regF dst, regF src1, regF src2) %{ | |
7194 match(Set dst (SubF src1 src2)); | |
7195 | |
7196 size(4); | |
7197 format %{ "FSUBS $src1,$src2,$dst" %} | |
7198 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubs_opf); | |
7199 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst)); | |
7200 ins_pipe(faddF_reg_reg); | |
7201 %} | |
7202 | |
7203 // Sub float double precision | |
7204 instruct subD_reg_reg(regD dst, regD src1, regD src2) %{ | |
7205 match(Set dst (SubD src1 src2)); | |
7206 | |
7207 size(4); | |
7208 format %{ "FSUBD $src1,$src2,$dst" %} | |
7209 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubd_opf); | |
7210 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7211 ins_pipe(faddD_reg_reg); | |
7212 %} | |
7213 | |
7214 // Mul float single precision | |
7215 instruct mulF_reg_reg(regF dst, regF src1, regF src2) %{ | |
7216 match(Set dst (MulF src1 src2)); | |
7217 | |
7218 size(4); | |
7219 format %{ "FMULS $src1,$src2,$dst" %} | |
7220 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuls_opf); | |
7221 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst)); | |
7222 ins_pipe(fmulF_reg_reg); | |
7223 %} | |
7224 | |
7225 // Mul float double precision | |
7226 instruct mulD_reg_reg(regD dst, regD src1, regD src2) %{ | |
7227 match(Set dst (MulD src1 src2)); | |
7228 | |
7229 size(4); | |
7230 format %{ "FMULD $src1,$src2,$dst" %} | |
7231 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuld_opf); | |
7232 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7233 ins_pipe(fmulD_reg_reg); | |
7234 %} | |
7235 | |
7236 // Div float single precision | |
7237 instruct divF_reg_reg(regF dst, regF src1, regF src2) %{ | |
7238 match(Set dst (DivF src1 src2)); | |
7239 | |
7240 size(4); | |
7241 format %{ "FDIVS $src1,$src2,$dst" %} | |
7242 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdivs_opf); | |
7243 ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst)); | |
7244 ins_pipe(fdivF_reg_reg); | |
7245 %} | |
7246 | |
7247 // Div float double precision | |
7248 instruct divD_reg_reg(regD dst, regD src1, regD src2) %{ | |
7249 match(Set dst (DivD src1 src2)); | |
7250 | |
7251 size(4); | |
7252 format %{ "FDIVD $src1,$src2,$dst" %} | |
7253 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdivd_opf); | |
7254 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7255 ins_pipe(fdivD_reg_reg); | |
7256 %} | |
7257 | |
7258 // Absolute float double precision | |
7259 instruct absD_reg(regD dst, regD src) %{ | |
7260 match(Set dst (AbsD src)); | |
7261 | |
7262 format %{ "FABSd $src,$dst" %} | |
7263 ins_encode(fabsd(dst, src)); | |
7264 ins_pipe(faddD_reg); | |
7265 %} | |
7266 | |
7267 // Absolute float single precision | |
7268 instruct absF_reg(regF dst, regF src) %{ | |
7269 match(Set dst (AbsF src)); | |
7270 | |
7271 format %{ "FABSs $src,$dst" %} | |
7272 ins_encode(fabss(dst, src)); | |
7273 ins_pipe(faddF_reg); | |
7274 %} | |
7275 | |
7276 instruct negF_reg(regF dst, regF src) %{ | |
7277 match(Set dst (NegF src)); | |
7278 | |
7279 size(4); | |
7280 format %{ "FNEGs $src,$dst" %} | |
7281 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fnegs_opf); | |
7282 ins_encode(form3_opf_rs2F_rdF(src, dst)); | |
7283 ins_pipe(faddF_reg); | |
7284 %} | |
7285 | |
7286 instruct negD_reg(regD dst, regD src) %{ | |
7287 match(Set dst (NegD src)); | |
7288 | |
7289 format %{ "FNEGd $src,$dst" %} | |
7290 ins_encode(fnegd(dst, src)); | |
7291 ins_pipe(faddD_reg); | |
7292 %} | |
7293 | |
7294 // Sqrt float double precision | |
7295 instruct sqrtF_reg_reg(regF dst, regF src) %{ | |
7296 match(Set dst (ConvD2F (SqrtD (ConvF2D src)))); | |
7297 | |
7298 size(4); | |
7299 format %{ "FSQRTS $src,$dst" %} | |
7300 ins_encode(fsqrts(dst, src)); | |
7301 ins_pipe(fdivF_reg_reg); | |
7302 %} | |
7303 | |
7304 // Sqrt float double precision | |
7305 instruct sqrtD_reg_reg(regD dst, regD src) %{ | |
7306 match(Set dst (SqrtD src)); | |
7307 | |
7308 size(4); | |
7309 format %{ "FSQRTD $src,$dst" %} | |
7310 ins_encode(fsqrtd(dst, src)); | |
7311 ins_pipe(fdivD_reg_reg); | |
7312 %} | |
7313 | |
7314 //----------Logical Instructions----------------------------------------------- | |
7315 // And Instructions | |
7316 // Register And | |
7317 instruct andI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
7318 match(Set dst (AndI src1 src2)); | |
7319 | |
7320 size(4); | |
7321 format %{ "AND $src1,$src2,$dst" %} | |
7322 opcode(Assembler::and_op3, Assembler::arith_op); | |
7323 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7324 ins_pipe(ialu_reg_reg); | |
7325 %} | |
7326 | |
7327 // Immediate And | |
7328 instruct andI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{ | |
7329 match(Set dst (AndI src1 src2)); | |
7330 | |
7331 size(4); | |
7332 format %{ "AND $src1,$src2,$dst" %} | |
7333 opcode(Assembler::and_op3, Assembler::arith_op); | |
7334 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
7335 ins_pipe(ialu_reg_imm); | |
7336 %} | |
7337 | |
7338 // Register And Long | |
7339 instruct andL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
7340 match(Set dst (AndL src1 src2)); | |
7341 | |
7342 ins_cost(DEFAULT_COST); | |
7343 size(4); | |
7344 format %{ "AND $src1,$src2,$dst\t! long" %} | |
7345 opcode(Assembler::and_op3, Assembler::arith_op); | |
7346 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7347 ins_pipe(ialu_reg_reg); | |
7348 %} | |
7349 | |
7350 instruct andL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{ | |
7351 match(Set dst (AndL src1 con)); | |
7352 | |
7353 ins_cost(DEFAULT_COST); | |
7354 size(4); | |
7355 format %{ "AND $src1,$con,$dst\t! long" %} | |
7356 opcode(Assembler::and_op3, Assembler::arith_op); | |
7357 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) ); | |
7358 ins_pipe(ialu_reg_imm); | |
7359 %} | |
7360 | |
7361 // Or Instructions | |
7362 // Register Or | |
7363 instruct orI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
7364 match(Set dst (OrI src1 src2)); | |
7365 | |
7366 size(4); | |
7367 format %{ "OR $src1,$src2,$dst" %} | |
7368 opcode(Assembler::or_op3, Assembler::arith_op); | |
7369 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7370 ins_pipe(ialu_reg_reg); | |
7371 %} | |
7372 | |
7373 // Immediate Or | |
7374 instruct orI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{ | |
7375 match(Set dst (OrI src1 src2)); | |
7376 | |
7377 size(4); | |
7378 format %{ "OR $src1,$src2,$dst" %} | |
7379 opcode(Assembler::or_op3, Assembler::arith_op); | |
7380 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
7381 ins_pipe(ialu_reg_imm); | |
7382 %} | |
7383 | |
7384 // Register Or Long | |
7385 instruct orL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
7386 match(Set dst (OrL src1 src2)); | |
7387 | |
7388 ins_cost(DEFAULT_COST); | |
7389 size(4); | |
7390 format %{ "OR $src1,$src2,$dst\t! long" %} | |
7391 opcode(Assembler::or_op3, Assembler::arith_op); | |
7392 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7393 ins_pipe(ialu_reg_reg); | |
7394 %} | |
7395 | |
7396 instruct orL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{ | |
7397 match(Set dst (OrL src1 con)); | |
7398 ins_cost(DEFAULT_COST*2); | |
7399 | |
7400 ins_cost(DEFAULT_COST); | |
7401 size(4); | |
7402 format %{ "OR $src1,$con,$dst\t! long" %} | |
7403 opcode(Assembler::or_op3, Assembler::arith_op); | |
7404 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) ); | |
7405 ins_pipe(ialu_reg_imm); | |
7406 %} | |
7407 | |
7408 // Xor Instructions | |
7409 // Register Xor | |
7410 instruct xorI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{ | |
7411 match(Set dst (XorI src1 src2)); | |
7412 | |
7413 size(4); | |
7414 format %{ "XOR $src1,$src2,$dst" %} | |
7415 opcode(Assembler::xor_op3, Assembler::arith_op); | |
7416 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7417 ins_pipe(ialu_reg_reg); | |
7418 %} | |
7419 | |
7420 // Immediate Xor | |
7421 instruct xorI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{ | |
7422 match(Set dst (XorI src1 src2)); | |
7423 | |
7424 size(4); | |
7425 format %{ "XOR $src1,$src2,$dst" %} | |
7426 opcode(Assembler::xor_op3, Assembler::arith_op); | |
7427 ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) ); | |
7428 ins_pipe(ialu_reg_imm); | |
7429 %} | |
7430 | |
7431 // Register Xor Long | |
7432 instruct xorL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{ | |
7433 match(Set dst (XorL src1 src2)); | |
7434 | |
7435 ins_cost(DEFAULT_COST); | |
7436 size(4); | |
7437 format %{ "XOR $src1,$src2,$dst\t! long" %} | |
7438 opcode(Assembler::xor_op3, Assembler::arith_op); | |
7439 ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) ); | |
7440 ins_pipe(ialu_reg_reg); | |
7441 %} | |
7442 | |
7443 instruct xorL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{ | |
7444 match(Set dst (XorL src1 con)); | |
7445 | |
7446 ins_cost(DEFAULT_COST); | |
7447 size(4); | |
7448 format %{ "XOR $src1,$con,$dst\t! long" %} | |
7449 opcode(Assembler::xor_op3, Assembler::arith_op); | |
7450 ins_encode( form3_rs1_simm13_rd( src1, con, dst ) ); | |
7451 ins_pipe(ialu_reg_imm); | |
7452 %} | |
7453 | |
7454 //----------Convert to Boolean------------------------------------------------- | |
7455 // Nice hack for 32-bit tests but doesn't work for | |
7456 // 64-bit pointers. | |
7457 instruct convI2B( iRegI dst, iRegI src, flagsReg ccr ) %{ | |
7458 match(Set dst (Conv2B src)); | |
7459 effect( KILL ccr ); | |
7460 ins_cost(DEFAULT_COST*2); | |
7461 format %{ "CMP R_G0,$src\n\t" | |
7462 "ADDX R_G0,0,$dst" %} | |
7463 ins_encode( enc_to_bool( src, dst ) ); | |
7464 ins_pipe(ialu_reg_ialu); | |
7465 %} | |
7466 | |
7467 #ifndef _LP64 | |
7468 instruct convP2B( iRegI dst, iRegP src, flagsReg ccr ) %{ | |
7469 match(Set dst (Conv2B src)); | |
7470 effect( KILL ccr ); | |
7471 ins_cost(DEFAULT_COST*2); | |
7472 format %{ "CMP R_G0,$src\n\t" | |
7473 "ADDX R_G0,0,$dst" %} | |
7474 ins_encode( enc_to_bool( src, dst ) ); | |
7475 ins_pipe(ialu_reg_ialu); | |
7476 %} | |
7477 #else | |
7478 instruct convP2B( iRegI dst, iRegP src ) %{ | |
7479 match(Set dst (Conv2B src)); | |
7480 ins_cost(DEFAULT_COST*2); | |
7481 format %{ "MOV $src,$dst\n\t" | |
7482 "MOVRNZ $src,1,$dst" %} | |
7483 ins_encode( form3_g0_rs2_rd_move( src, dst ), enc_convP2B( dst, src ) ); | |
7484 ins_pipe(ialu_clr_and_mover); | |
7485 %} | |
7486 #endif | |
7487 | |
7488 instruct cmpLTMask_reg_reg( iRegI dst, iRegI p, iRegI q, flagsReg ccr ) %{ | |
7489 match(Set dst (CmpLTMask p q)); | |
7490 effect( KILL ccr ); | |
7491 ins_cost(DEFAULT_COST*4); | |
7492 format %{ "CMP $p,$q\n\t" | |
7493 "MOV #0,$dst\n\t" | |
7494 "BLT,a .+8\n\t" | |
7495 "MOV #-1,$dst" %} | |
7496 ins_encode( enc_ltmask(p,q,dst) ); | |
7497 ins_pipe(ialu_reg_reg_ialu); | |
7498 %} | |
7499 | |
7500 instruct cadd_cmpLTMask( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{ | |
7501 match(Set p (AddI (AndI (CmpLTMask p q) y) (SubI p q))); | |
7502 effect(KILL ccr, TEMP tmp); | |
7503 ins_cost(DEFAULT_COST*3); | |
7504 | |
7505 format %{ "SUBcc $p,$q,$p\t! p' = p-q\n\t" | |
7506 "ADD $p,$y,$tmp\t! g3=p-q+y\n\t" | |
7507 "MOVl $tmp,$p\t! p' < 0 ? p'+y : p'" %} | |
7508 ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) ); | |
7509 ins_pipe( cadd_cmpltmask ); | |
7510 %} | |
7511 | |
7512 instruct cadd_cmpLTMask2( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{ | |
7513 match(Set p (AddI (SubI p q) (AndI (CmpLTMask p q) y))); | |
7514 effect( KILL ccr, TEMP tmp); | |
7515 ins_cost(DEFAULT_COST*3); | |
7516 | |
7517 format %{ "SUBcc $p,$q,$p\t! p' = p-q\n\t" | |
7518 "ADD $p,$y,$tmp\t! g3=p-q+y\n\t" | |
7519 "MOVl $tmp,$p\t! p' < 0 ? p'+y : p'" %} | |
7520 ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) ); | |
7521 ins_pipe( cadd_cmpltmask ); | |
7522 %} | |
7523 | |
7524 //----------Arithmetic Conversion Instructions--------------------------------- | |
7525 // The conversions operations are all Alpha sorted. Please keep it that way! | |
7526 | |
7527 instruct convD2F_reg(regF dst, regD src) %{ | |
7528 match(Set dst (ConvD2F src)); | |
7529 size(4); | |
7530 format %{ "FDTOS $src,$dst" %} | |
7531 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdtos_opf); | |
7532 ins_encode(form3_opf_rs2D_rdF(src, dst)); | |
7533 ins_pipe(fcvtD2F); | |
7534 %} | |
7535 | |
7536 | |
7537 // Convert a double to an int in a float register. | |
7538 // If the double is a NAN, stuff a zero in instead. | |
7539 instruct convD2I_helper(regF dst, regD src, flagsRegF0 fcc0) %{ | |
7540 effect(DEF dst, USE src, KILL fcc0); | |
7541 format %{ "FCMPd fcc0,$src,$src\t! check for NAN\n\t" | |
7542 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t" | |
7543 "FDTOI $src,$dst\t! convert in delay slot\n\t" | |
7544 "FITOS $dst,$dst\t! change NaN/max-int to valid float\n\t" | |
7545 "FSUBs $dst,$dst,$dst\t! cleared only if nan\n" | |
7546 "skip:" %} | |
7547 ins_encode(form_d2i_helper(src,dst)); | |
7548 ins_pipe(fcvtD2I); | |
7549 %} | |
7550 | |
7551 instruct convD2I_reg(stackSlotI dst, regD src) %{ | |
7552 match(Set dst (ConvD2I src)); | |
7553 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST); | |
7554 expand %{ | |
7555 regF tmp; | |
7556 convD2I_helper(tmp, src); | |
7557 regF_to_stkI(dst, tmp); | |
7558 %} | |
7559 %} | |
7560 | |
7561 // Convert a double to a long in a double register. | |
7562 // If the double is a NAN, stuff a zero in instead. | |
7563 instruct convD2L_helper(regD dst, regD src, flagsRegF0 fcc0) %{ | |
7564 effect(DEF dst, USE src, KILL fcc0); | |
7565 format %{ "FCMPd fcc0,$src,$src\t! check for NAN\n\t" | |
7566 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t" | |
7567 "FDTOX $src,$dst\t! convert in delay slot\n\t" | |
7568 "FXTOD $dst,$dst\t! change NaN/max-long to valid double\n\t" | |
7569 "FSUBd $dst,$dst,$dst\t! cleared only if nan\n" | |
7570 "skip:" %} | |
7571 ins_encode(form_d2l_helper(src,dst)); | |
7572 ins_pipe(fcvtD2L); | |
7573 %} | |
7574 | |
7575 | |
7576 // Double to Long conversion | |
7577 instruct convD2L_reg(stackSlotL dst, regD src) %{ | |
7578 match(Set dst (ConvD2L src)); | |
7579 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST); | |
7580 expand %{ | |
7581 regD tmp; | |
7582 convD2L_helper(tmp, src); | |
7583 regD_to_stkL(dst, tmp); | |
7584 %} | |
7585 %} | |
7586 | |
7587 | |
7588 instruct convF2D_reg(regD dst, regF src) %{ | |
7589 match(Set dst (ConvF2D src)); | |
7590 format %{ "FSTOD $src,$dst" %} | |
7591 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fstod_opf); | |
7592 ins_encode(form3_opf_rs2F_rdD(src, dst)); | |
7593 ins_pipe(fcvtF2D); | |
7594 %} | |
7595 | |
7596 | |
7597 instruct convF2I_helper(regF dst, regF src, flagsRegF0 fcc0) %{ | |
7598 effect(DEF dst, USE src, KILL fcc0); | |
7599 format %{ "FCMPs fcc0,$src,$src\t! check for NAN\n\t" | |
7600 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t" | |
7601 "FSTOI $src,$dst\t! convert in delay slot\n\t" | |
7602 "FITOS $dst,$dst\t! change NaN/max-int to valid float\n\t" | |
7603 "FSUBs $dst,$dst,$dst\t! cleared only if nan\n" | |
7604 "skip:" %} | |
7605 ins_encode(form_f2i_helper(src,dst)); | |
7606 ins_pipe(fcvtF2I); | |
7607 %} | |
7608 | |
7609 instruct convF2I_reg(stackSlotI dst, regF src) %{ | |
7610 match(Set dst (ConvF2I src)); | |
7611 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST); | |
7612 expand %{ | |
7613 regF tmp; | |
7614 convF2I_helper(tmp, src); | |
7615 regF_to_stkI(dst, tmp); | |
7616 %} | |
7617 %} | |
7618 | |
7619 | |
7620 instruct convF2L_helper(regD dst, regF src, flagsRegF0 fcc0) %{ | |
7621 effect(DEF dst, USE src, KILL fcc0); | |
7622 format %{ "FCMPs fcc0,$src,$src\t! check for NAN\n\t" | |
7623 "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t" | |
7624 "FSTOX $src,$dst\t! convert in delay slot\n\t" | |
7625 "FXTOD $dst,$dst\t! change NaN/max-long to valid double\n\t" | |
7626 "FSUBd $dst,$dst,$dst\t! cleared only if nan\n" | |
7627 "skip:" %} | |
7628 ins_encode(form_f2l_helper(src,dst)); | |
7629 ins_pipe(fcvtF2L); | |
7630 %} | |
7631 | |
7632 // Float to Long conversion | |
7633 instruct convF2L_reg(stackSlotL dst, regF src) %{ | |
7634 match(Set dst (ConvF2L src)); | |
7635 ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST); | |
7636 expand %{ | |
7637 regD tmp; | |
7638 convF2L_helper(tmp, src); | |
7639 regD_to_stkL(dst, tmp); | |
7640 %} | |
7641 %} | |
7642 | |
7643 | |
7644 instruct convI2D_helper(regD dst, regF tmp) %{ | |
7645 effect(USE tmp, DEF dst); | |
7646 format %{ "FITOD $tmp,$dst" %} | |
7647 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitod_opf); | |
7648 ins_encode(form3_opf_rs2F_rdD(tmp, dst)); | |
7649 ins_pipe(fcvtI2D); | |
7650 %} | |
7651 | |
7652 instruct convI2D_reg(stackSlotI src, regD dst) %{ | |
7653 match(Set dst (ConvI2D src)); | |
7654 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
7655 expand %{ | |
7656 regF tmp; | |
7657 stkI_to_regF( tmp, src); | |
7658 convI2D_helper( dst, tmp); | |
7659 %} | |
7660 %} | |
7661 | |
7662 instruct convI2D_mem( regD_low dst, memory mem ) %{ | |
7663 match(Set dst (ConvI2D (LoadI mem))); | |
7664 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
7665 size(8); | |
7666 format %{ "LDF $mem,$dst\n\t" | |
7667 "FITOD $dst,$dst" %} | |
7668 opcode(Assembler::ldf_op3, Assembler::fitod_opf); | |
7669 ins_encode( form3_mem_reg( mem, dst ), form3_convI2F(dst, dst)); | |
7670 ins_pipe(floadF_mem); | |
7671 %} | |
7672 | |
7673 | |
7674 instruct convI2F_helper(regF dst, regF tmp) %{ | |
7675 effect(DEF dst, USE tmp); | |
7676 format %{ "FITOS $tmp,$dst" %} | |
7677 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitos_opf); | |
7678 ins_encode(form3_opf_rs2F_rdF(tmp, dst)); | |
7679 ins_pipe(fcvtI2F); | |
7680 %} | |
7681 | |
7682 instruct convI2F_reg( regF dst, stackSlotI src ) %{ | |
7683 match(Set dst (ConvI2F src)); | |
7684 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
7685 expand %{ | |
7686 regF tmp; | |
7687 stkI_to_regF(tmp,src); | |
7688 convI2F_helper(dst, tmp); | |
7689 %} | |
7690 %} | |
7691 | |
7692 instruct convI2F_mem( regF dst, memory mem ) %{ | |
7693 match(Set dst (ConvI2F (LoadI mem))); | |
7694 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
7695 size(8); | |
7696 format %{ "LDF $mem,$dst\n\t" | |
7697 "FITOS $dst,$dst" %} | |
7698 opcode(Assembler::ldf_op3, Assembler::fitos_opf); | |
7699 ins_encode( form3_mem_reg( mem, dst ), form3_convI2F(dst, dst)); | |
7700 ins_pipe(floadF_mem); | |
7701 %} | |
7702 | |
7703 | |
7704 instruct convI2L_reg(iRegL dst, iRegI src) %{ | |
7705 match(Set dst (ConvI2L src)); | |
7706 size(4); | |
7707 format %{ "SRA $src,0,$dst\t! int->long" %} | |
7708 opcode(Assembler::sra_op3, Assembler::arith_op); | |
7709 ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) ); | |
7710 ins_pipe(ialu_reg_reg); | |
7711 %} | |
7712 | |
7713 // Zero-extend convert int to long | |
7714 instruct convI2L_reg_zex(iRegL dst, iRegI src, immL_32bits mask ) %{ | |
7715 match(Set dst (AndL (ConvI2L src) mask) ); | |
7716 size(4); | |
7717 format %{ "SRL $src,0,$dst\t! zero-extend int to long" %} | |
7718 opcode(Assembler::srl_op3, Assembler::arith_op); | |
7719 ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) ); | |
7720 ins_pipe(ialu_reg_reg); | |
7721 %} | |
7722 | |
7723 // Zero-extend long | |
7724 instruct zerox_long(iRegL dst, iRegL src, immL_32bits mask ) %{ | |
7725 match(Set dst (AndL src mask) ); | |
7726 size(4); | |
7727 format %{ "SRL $src,0,$dst\t! zero-extend long" %} | |
7728 opcode(Assembler::srl_op3, Assembler::arith_op); | |
7729 ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) ); | |
7730 ins_pipe(ialu_reg_reg); | |
7731 %} | |
7732 | |
7733 instruct MoveF2I_stack_reg(iRegI dst, stackSlotF src) %{ | |
7734 match(Set dst (MoveF2I src)); | |
7735 effect(DEF dst, USE src); | |
7736 ins_cost(MEMORY_REF_COST); | |
7737 | |
7738 size(4); | |
7739 format %{ "LDUW $src,$dst\t! MoveF2I" %} | |
7740 opcode(Assembler::lduw_op3); | |
7741 ins_encode( form3_mem_reg( src, dst ) ); | |
7742 ins_pipe(iload_mem); | |
7743 %} | |
7744 | |
7745 instruct MoveI2F_stack_reg(regF dst, stackSlotI src) %{ | |
7746 match(Set dst (MoveI2F src)); | |
7747 effect(DEF dst, USE src); | |
7748 ins_cost(MEMORY_REF_COST); | |
7749 | |
7750 size(4); | |
7751 format %{ "LDF $src,$dst\t! MoveI2F" %} | |
7752 opcode(Assembler::ldf_op3); | |
7753 ins_encode(form3_mem_reg(src, dst)); | |
7754 ins_pipe(floadF_stk); | |
7755 %} | |
7756 | |
7757 instruct MoveD2L_stack_reg(iRegL dst, stackSlotD src) %{ | |
7758 match(Set dst (MoveD2L src)); | |
7759 effect(DEF dst, USE src); | |
7760 ins_cost(MEMORY_REF_COST); | |
7761 | |
7762 size(4); | |
7763 format %{ "LDX $src,$dst\t! MoveD2L" %} | |
7764 opcode(Assembler::ldx_op3); | |
7765 ins_encode( form3_mem_reg( src, dst ) ); | |
7766 ins_pipe(iload_mem); | |
7767 %} | |
7768 | |
7769 instruct MoveL2D_stack_reg(regD dst, stackSlotL src) %{ | |
7770 match(Set dst (MoveL2D src)); | |
7771 effect(DEF dst, USE src); | |
7772 ins_cost(MEMORY_REF_COST); | |
7773 | |
7774 size(4); | |
7775 format %{ "LDDF $src,$dst\t! MoveL2D" %} | |
7776 opcode(Assembler::lddf_op3); | |
7777 ins_encode(form3_mem_reg(src, dst)); | |
7778 ins_pipe(floadD_stk); | |
7779 %} | |
7780 | |
7781 instruct MoveF2I_reg_stack(stackSlotI dst, regF src) %{ | |
7782 match(Set dst (MoveF2I src)); | |
7783 effect(DEF dst, USE src); | |
7784 ins_cost(MEMORY_REF_COST); | |
7785 | |
7786 size(4); | |
7787 format %{ "STF $src,$dst\t!MoveF2I" %} | |
7788 opcode(Assembler::stf_op3); | |
7789 ins_encode(form3_mem_reg(dst, src)); | |
7790 ins_pipe(fstoreF_stk_reg); | |
7791 %} | |
7792 | |
7793 instruct MoveI2F_reg_stack(stackSlotF dst, iRegI src) %{ | |
7794 match(Set dst (MoveI2F src)); | |
7795 effect(DEF dst, USE src); | |
7796 ins_cost(MEMORY_REF_COST); | |
7797 | |
7798 size(4); | |
7799 format %{ "STW $src,$dst\t!MoveI2F" %} | |
7800 opcode(Assembler::stw_op3); | |
7801 ins_encode( form3_mem_reg( dst, src ) ); | |
7802 ins_pipe(istore_mem_reg); | |
7803 %} | |
7804 | |
7805 instruct MoveD2L_reg_stack(stackSlotL dst, regD src) %{ | |
7806 match(Set dst (MoveD2L src)); | |
7807 effect(DEF dst, USE src); | |
7808 ins_cost(MEMORY_REF_COST); | |
7809 | |
7810 size(4); | |
7811 format %{ "STDF $src,$dst\t!MoveD2L" %} | |
7812 opcode(Assembler::stdf_op3); | |
7813 ins_encode(form3_mem_reg(dst, src)); | |
7814 ins_pipe(fstoreD_stk_reg); | |
7815 %} | |
7816 | |
7817 instruct MoveL2D_reg_stack(stackSlotD dst, iRegL src) %{ | |
7818 match(Set dst (MoveL2D src)); | |
7819 effect(DEF dst, USE src); | |
7820 ins_cost(MEMORY_REF_COST); | |
7821 | |
7822 size(4); | |
7823 format %{ "STX $src,$dst\t!MoveL2D" %} | |
7824 opcode(Assembler::stx_op3); | |
7825 ins_encode( form3_mem_reg( dst, src ) ); | |
7826 ins_pipe(istore_mem_reg); | |
7827 %} | |
7828 | |
7829 | |
7830 //----------- | |
7831 // Long to Double conversion using V8 opcodes. | |
7832 // Still useful because cheetah traps and becomes | |
7833 // amazingly slow for some common numbers. | |
7834 | |
7835 // Magic constant, 0x43300000 | |
7836 instruct loadConI_x43300000(iRegI dst) %{ | |
7837 effect(DEF dst); | |
7838 size(4); | |
7839 format %{ "SETHI HI(0x43300000),$dst\t! 2^52" %} | |
7840 ins_encode(SetHi22(0x43300000, dst)); | |
7841 ins_pipe(ialu_none); | |
7842 %} | |
7843 | |
7844 // Magic constant, 0x41f00000 | |
7845 instruct loadConI_x41f00000(iRegI dst) %{ | |
7846 effect(DEF dst); | |
7847 size(4); | |
7848 format %{ "SETHI HI(0x41f00000),$dst\t! 2^32" %} | |
7849 ins_encode(SetHi22(0x41f00000, dst)); | |
7850 ins_pipe(ialu_none); | |
7851 %} | |
7852 | |
7853 // Construct a double from two float halves | |
7854 instruct regDHi_regDLo_to_regD(regD_low dst, regD_low src1, regD_low src2) %{ | |
7855 effect(DEF dst, USE src1, USE src2); | |
7856 size(8); | |
7857 format %{ "FMOVS $src1.hi,$dst.hi\n\t" | |
7858 "FMOVS $src2.lo,$dst.lo" %} | |
7859 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmovs_opf); | |
7860 ins_encode(form3_opf_rs2D_hi_rdD_hi(src1, dst), form3_opf_rs2D_lo_rdD_lo(src2, dst)); | |
7861 ins_pipe(faddD_reg_reg); | |
7862 %} | |
7863 | |
7864 // Convert integer in high half of a double register (in the lower half of | |
7865 // the double register file) to double | |
7866 instruct convI2D_regDHi_regD(regD dst, regD_low src) %{ | |
7867 effect(DEF dst, USE src); | |
7868 size(4); | |
7869 format %{ "FITOD $src,$dst" %} | |
7870 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitod_opf); | |
7871 ins_encode(form3_opf_rs2D_rdD(src, dst)); | |
7872 ins_pipe(fcvtLHi2D); | |
7873 %} | |
7874 | |
7875 // Add float double precision | |
7876 instruct addD_regD_regD(regD dst, regD src1, regD src2) %{ | |
7877 effect(DEF dst, USE src1, USE src2); | |
7878 size(4); | |
7879 format %{ "FADDD $src1,$src2,$dst" %} | |
7880 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::faddd_opf); | |
7881 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7882 ins_pipe(faddD_reg_reg); | |
7883 %} | |
7884 | |
7885 // Sub float double precision | |
7886 instruct subD_regD_regD(regD dst, regD src1, regD src2) %{ | |
7887 effect(DEF dst, USE src1, USE src2); | |
7888 size(4); | |
7889 format %{ "FSUBD $src1,$src2,$dst" %} | |
7890 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubd_opf); | |
7891 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7892 ins_pipe(faddD_reg_reg); | |
7893 %} | |
7894 | |
7895 // Mul float double precision | |
7896 instruct mulD_regD_regD(regD dst, regD src1, regD src2) %{ | |
7897 effect(DEF dst, USE src1, USE src2); | |
7898 size(4); | |
7899 format %{ "FMULD $src1,$src2,$dst" %} | |
7900 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuld_opf); | |
7901 ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst)); | |
7902 ins_pipe(fmulD_reg_reg); | |
7903 %} | |
7904 | |
7905 instruct convL2D_reg_slow_fxtof(regD dst, stackSlotL src) %{ | |
7906 match(Set dst (ConvL2D src)); | |
7907 ins_cost(DEFAULT_COST*8 + MEMORY_REF_COST*6); | |
7908 | |
7909 expand %{ | |
7910 regD_low tmpsrc; | |
7911 iRegI ix43300000; | |
7912 iRegI ix41f00000; | |
7913 stackSlotL lx43300000; | |
7914 stackSlotL lx41f00000; | |
7915 regD_low dx43300000; | |
7916 regD dx41f00000; | |
7917 regD tmp1; | |
7918 regD_low tmp2; | |
7919 regD tmp3; | |
7920 regD tmp4; | |
7921 | |
7922 stkL_to_regD(tmpsrc, src); | |
7923 | |
7924 loadConI_x43300000(ix43300000); | |
7925 loadConI_x41f00000(ix41f00000); | |
7926 regI_to_stkLHi(lx43300000, ix43300000); | |
7927 regI_to_stkLHi(lx41f00000, ix41f00000); | |
7928 stkL_to_regD(dx43300000, lx43300000); | |
7929 stkL_to_regD(dx41f00000, lx41f00000); | |
7930 | |
7931 convI2D_regDHi_regD(tmp1, tmpsrc); | |
7932 regDHi_regDLo_to_regD(tmp2, dx43300000, tmpsrc); | |
7933 subD_regD_regD(tmp3, tmp2, dx43300000); | |
7934 mulD_regD_regD(tmp4, tmp1, dx41f00000); | |
7935 addD_regD_regD(dst, tmp3, tmp4); | |
7936 %} | |
7937 %} | |
7938 | |
7939 // Long to Double conversion using fast fxtof | |
7940 instruct convL2D_helper(regD dst, regD tmp) %{ | |
7941 effect(DEF dst, USE tmp); | |
7942 size(4); | |
7943 format %{ "FXTOD $tmp,$dst" %} | |
7944 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fxtod_opf); | |
7945 ins_encode(form3_opf_rs2D_rdD(tmp, dst)); | |
7946 ins_pipe(fcvtL2D); | |
7947 %} | |
7948 | |
7949 instruct convL2D_reg_fast_fxtof(regD dst, stackSlotL src) %{ | |
7950 predicate(VM_Version::has_fast_fxtof()); | |
7951 match(Set dst (ConvL2D src)); | |
7952 ins_cost(DEFAULT_COST + 3 * MEMORY_REF_COST); | |
7953 expand %{ | |
7954 regD tmp; | |
7955 stkL_to_regD(tmp, src); | |
7956 convL2D_helper(dst, tmp); | |
7957 %} | |
7958 %} | |
7959 | |
7960 //----------- | |
7961 // Long to Float conversion using V8 opcodes. | |
7962 // Still useful because cheetah traps and becomes | |
7963 // amazingly slow for some common numbers. | |
7964 | |
7965 // Long to Float conversion using fast fxtof | |
7966 instruct convL2F_helper(regF dst, regD tmp) %{ | |
7967 effect(DEF dst, USE tmp); | |
7968 size(4); | |
7969 format %{ "FXTOS $tmp,$dst" %} | |
7970 opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fxtos_opf); | |
7971 ins_encode(form3_opf_rs2D_rdF(tmp, dst)); | |
7972 ins_pipe(fcvtL2F); | |
7973 %} | |
7974 | |
7975 instruct convL2F_reg_fast_fxtof(regF dst, stackSlotL src) %{ | |
7976 match(Set dst (ConvL2F src)); | |
7977 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
7978 expand %{ | |
7979 regD tmp; | |
7980 stkL_to_regD(tmp, src); | |
7981 convL2F_helper(dst, tmp); | |
7982 %} | |
7983 %} | |
7984 //----------- | |
7985 | |
7986 instruct convL2I_reg(iRegI dst, iRegL src) %{ | |
7987 match(Set dst (ConvL2I src)); | |
7988 #ifndef _LP64 | |
7989 format %{ "MOV $src.lo,$dst\t! long->int" %} | |
7990 ins_encode( form3_g0_rs2_rd_move_lo2( src, dst ) ); | |
7991 ins_pipe(ialu_move_reg_I_to_L); | |
7992 #else | |
7993 size(4); | |
7994 format %{ "SRA $src,R_G0,$dst\t! long->int" %} | |
7995 ins_encode( form3_rs1_rd_signextend_lo1( src, dst ) ); | |
7996 ins_pipe(ialu_reg); | |
7997 #endif | |
7998 %} | |
7999 | |
8000 // Register Shift Right Immediate | |
8001 instruct shrL_reg_imm6_L2I(iRegI dst, iRegL src, immI_32_63 cnt) %{ | |
8002 match(Set dst (ConvL2I (RShiftL src cnt))); | |
8003 | |
8004 size(4); | |
8005 format %{ "SRAX $src,$cnt,$dst" %} | |
8006 opcode(Assembler::srax_op3, Assembler::arith_op); | |
8007 ins_encode( form3_sd_rs1_imm6_rd( src, cnt, dst ) ); | |
8008 ins_pipe(ialu_reg_imm); | |
8009 %} | |
8010 | |
8011 // Replicate scalar to packed byte values in Double register | |
8012 instruct Repl8B_reg_helper(iRegL dst, iRegI src) %{ | |
8013 effect(DEF dst, USE src); | |
8014 format %{ "SLLX $src,56,$dst\n\t" | |
8015 "SRLX $dst, 8,O7\n\t" | |
8016 "OR $dst,O7,$dst\n\t" | |
8017 "SRLX $dst,16,O7\n\t" | |
8018 "OR $dst,O7,$dst\n\t" | |
8019 "SRLX $dst,32,O7\n\t" | |
8020 "OR $dst,O7,$dst\t! replicate8B" %} | |
8021 ins_encode( enc_repl8b(src, dst)); | |
8022 ins_pipe(ialu_reg); | |
8023 %} | |
8024 | |
8025 // Replicate scalar to packed byte values in Double register | |
8026 instruct Repl8B_reg(stackSlotD dst, iRegI src) %{ | |
8027 match(Set dst (Replicate8B src)); | |
8028 expand %{ | |
8029 iRegL tmp; | |
8030 Repl8B_reg_helper(tmp, src); | |
8031 regL_to_stkD(dst, tmp); | |
8032 %} | |
8033 %} | |
8034 | |
8035 // Replicate scalar constant to packed byte values in Double register | |
8036 instruct Repl8B_immI(regD dst, immI13 src, o7RegP tmp) %{ | |
8037 match(Set dst (Replicate8B src)); | |
8038 #ifdef _LP64 | |
8039 size(36); | |
8040 #else | |
8041 size(8); | |
8042 #endif | |
8043 format %{ "SETHI hi(&Repl8($src)),$tmp\t!get Repl8B($src) from table\n\t" | |
8044 "LDDF [$tmp+lo(&Repl8($src))],$dst" %} | |
8045 ins_encode( LdReplImmI(src, dst, tmp, (8), (1)) ); | |
8046 ins_pipe(loadConFD); | |
8047 %} | |
8048 | |
8049 // Replicate scalar to packed char values into stack slot | |
8050 instruct Repl4C_reg_helper(iRegL dst, iRegI src) %{ | |
8051 effect(DEF dst, USE src); | |
8052 format %{ "SLLX $src,48,$dst\n\t" | |
8053 "SRLX $dst,16,O7\n\t" | |
8054 "OR $dst,O7,$dst\n\t" | |
8055 "SRLX $dst,32,O7\n\t" | |
8056 "OR $dst,O7,$dst\t! replicate4C" %} | |
8057 ins_encode( enc_repl4s(src, dst) ); | |
8058 ins_pipe(ialu_reg); | |
8059 %} | |
8060 | |
8061 // Replicate scalar to packed char values into stack slot | |
8062 instruct Repl4C_reg(stackSlotD dst, iRegI src) %{ | |
8063 match(Set dst (Replicate4C src)); | |
8064 expand %{ | |
8065 iRegL tmp; | |
8066 Repl4C_reg_helper(tmp, src); | |
8067 regL_to_stkD(dst, tmp); | |
8068 %} | |
8069 %} | |
8070 | |
8071 // Replicate scalar constant to packed char values in Double register | |
8072 instruct Repl4C_immI(regD dst, immI src, o7RegP tmp) %{ | |
8073 match(Set dst (Replicate4C src)); | |
8074 #ifdef _LP64 | |
8075 size(36); | |
8076 #else | |
8077 size(8); | |
8078 #endif | |
8079 format %{ "SETHI hi(&Repl4($src)),$tmp\t!get Repl4C($src) from table\n\t" | |
8080 "LDDF [$tmp+lo(&Repl4($src))],$dst" %} | |
8081 ins_encode( LdReplImmI(src, dst, tmp, (4), (2)) ); | |
8082 ins_pipe(loadConFD); | |
8083 %} | |
8084 | |
8085 // Replicate scalar to packed short values into stack slot | |
8086 instruct Repl4S_reg_helper(iRegL dst, iRegI src) %{ | |
8087 effect(DEF dst, USE src); | |
8088 format %{ "SLLX $src,48,$dst\n\t" | |
8089 "SRLX $dst,16,O7\n\t" | |
8090 "OR $dst,O7,$dst\n\t" | |
8091 "SRLX $dst,32,O7\n\t" | |
8092 "OR $dst,O7,$dst\t! replicate4S" %} | |
8093 ins_encode( enc_repl4s(src, dst) ); | |
8094 ins_pipe(ialu_reg); | |
8095 %} | |
8096 | |
8097 // Replicate scalar to packed short values into stack slot | |
8098 instruct Repl4S_reg(stackSlotD dst, iRegI src) %{ | |
8099 match(Set dst (Replicate4S src)); | |
8100 expand %{ | |
8101 iRegL tmp; | |
8102 Repl4S_reg_helper(tmp, src); | |
8103 regL_to_stkD(dst, tmp); | |
8104 %} | |
8105 %} | |
8106 | |
8107 // Replicate scalar constant to packed short values in Double register | |
8108 instruct Repl4S_immI(regD dst, immI src, o7RegP tmp) %{ | |
8109 match(Set dst (Replicate4S src)); | |
8110 #ifdef _LP64 | |
8111 size(36); | |
8112 #else | |
8113 size(8); | |
8114 #endif | |
8115 format %{ "SETHI hi(&Repl4($src)),$tmp\t!get Repl4S($src) from table\n\t" | |
8116 "LDDF [$tmp+lo(&Repl4($src))],$dst" %} | |
8117 ins_encode( LdReplImmI(src, dst, tmp, (4), (2)) ); | |
8118 ins_pipe(loadConFD); | |
8119 %} | |
8120 | |
8121 // Replicate scalar to packed int values in Double register | |
8122 instruct Repl2I_reg_helper(iRegL dst, iRegI src) %{ | |
8123 effect(DEF dst, USE src); | |
8124 format %{ "SLLX $src,32,$dst\n\t" | |
8125 "SRLX $dst,32,O7\n\t" | |
8126 "OR $dst,O7,$dst\t! replicate2I" %} | |
8127 ins_encode( enc_repl2i(src, dst)); | |
8128 ins_pipe(ialu_reg); | |
8129 %} | |
8130 | |
8131 // Replicate scalar to packed int values in Double register | |
8132 instruct Repl2I_reg(stackSlotD dst, iRegI src) %{ | |
8133 match(Set dst (Replicate2I src)); | |
8134 expand %{ | |
8135 iRegL tmp; | |
8136 Repl2I_reg_helper(tmp, src); | |
8137 regL_to_stkD(dst, tmp); | |
8138 %} | |
8139 %} | |
8140 | |
8141 // Replicate scalar zero constant to packed int values in Double register | |
8142 instruct Repl2I_immI(regD dst, immI src, o7RegP tmp) %{ | |
8143 match(Set dst (Replicate2I src)); | |
8144 #ifdef _LP64 | |
8145 size(36); | |
8146 #else | |
8147 size(8); | |
8148 #endif | |
8149 format %{ "SETHI hi(&Repl2($src)),$tmp\t!get Repl2I($src) from table\n\t" | |
8150 "LDDF [$tmp+lo(&Repl2($src))],$dst" %} | |
8151 ins_encode( LdReplImmI(src, dst, tmp, (2), (4)) ); | |
8152 ins_pipe(loadConFD); | |
8153 %} | |
8154 | |
8155 //----------Control Flow Instructions------------------------------------------ | |
8156 // Compare Instructions | |
8157 // Compare Integers | |
8158 instruct compI_iReg(flagsReg icc, iRegI op1, iRegI op2) %{ | |
8159 match(Set icc (CmpI op1 op2)); | |
8160 effect( DEF icc, USE op1, USE op2 ); | |
8161 | |
8162 size(4); | |
8163 format %{ "CMP $op1,$op2" %} | |
8164 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8165 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); | |
8166 ins_pipe(ialu_cconly_reg_reg); | |
8167 %} | |
8168 | |
8169 instruct compU_iReg(flagsRegU icc, iRegI op1, iRegI op2) %{ | |
8170 match(Set icc (CmpU op1 op2)); | |
8171 | |
8172 size(4); | |
8173 format %{ "CMP $op1,$op2\t! unsigned" %} | |
8174 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8175 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); | |
8176 ins_pipe(ialu_cconly_reg_reg); | |
8177 %} | |
8178 | |
8179 instruct compI_iReg_imm13(flagsReg icc, iRegI op1, immI13 op2) %{ | |
8180 match(Set icc (CmpI op1 op2)); | |
8181 effect( DEF icc, USE op1 ); | |
8182 | |
8183 size(4); | |
8184 format %{ "CMP $op1,$op2" %} | |
8185 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8186 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) ); | |
8187 ins_pipe(ialu_cconly_reg_imm); | |
8188 %} | |
8189 | |
8190 instruct testI_reg_reg( flagsReg icc, iRegI op1, iRegI op2, immI0 zero ) %{ | |
8191 match(Set icc (CmpI (AndI op1 op2) zero)); | |
8192 | |
8193 size(4); | |
8194 format %{ "BTST $op2,$op1" %} | |
8195 opcode(Assembler::andcc_op3, Assembler::arith_op); | |
8196 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); | |
8197 ins_pipe(ialu_cconly_reg_reg_zero); | |
8198 %} | |
8199 | |
8200 instruct testI_reg_imm( flagsReg icc, iRegI op1, immI13 op2, immI0 zero ) %{ | |
8201 match(Set icc (CmpI (AndI op1 op2) zero)); | |
8202 | |
8203 size(4); | |
8204 format %{ "BTST $op2,$op1" %} | |
8205 opcode(Assembler::andcc_op3, Assembler::arith_op); | |
8206 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) ); | |
8207 ins_pipe(ialu_cconly_reg_imm_zero); | |
8208 %} | |
8209 | |
8210 instruct compL_reg_reg(flagsRegL xcc, iRegL op1, iRegL op2 ) %{ | |
8211 match(Set xcc (CmpL op1 op2)); | |
8212 effect( DEF xcc, USE op1, USE op2 ); | |
8213 | |
8214 size(4); | |
8215 format %{ "CMP $op1,$op2\t\t! long" %} | |
8216 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8217 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); | |
8218 ins_pipe(ialu_cconly_reg_reg); | |
8219 %} | |
8220 | |
8221 instruct compL_reg_con(flagsRegL xcc, iRegL op1, immL13 con) %{ | |
8222 match(Set xcc (CmpL op1 con)); | |
8223 effect( DEF xcc, USE op1, USE con ); | |
8224 | |
8225 size(4); | |
8226 format %{ "CMP $op1,$con\t\t! long" %} | |
8227 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8228 ins_encode( form3_rs1_simm13_rd( op1, con, R_G0 ) ); | |
8229 ins_pipe(ialu_cconly_reg_reg); | |
8230 %} | |
8231 | |
8232 instruct testL_reg_reg(flagsRegL xcc, iRegL op1, iRegL op2, immL0 zero) %{ | |
8233 match(Set xcc (CmpL (AndL op1 op2) zero)); | |
8234 effect( DEF xcc, USE op1, USE op2 ); | |
8235 | |
8236 size(4); | |
8237 format %{ "BTST $op1,$op2\t\t! long" %} | |
8238 opcode(Assembler::andcc_op3, Assembler::arith_op); | |
8239 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); | |
8240 ins_pipe(ialu_cconly_reg_reg); | |
8241 %} | |
8242 | |
8243 // useful for checking the alignment of a pointer: | |
8244 instruct testL_reg_con(flagsRegL xcc, iRegL op1, immL13 con, immL0 zero) %{ | |
8245 match(Set xcc (CmpL (AndL op1 con) zero)); | |
8246 effect( DEF xcc, USE op1, USE con ); | |
8247 | |
8248 size(4); | |
8249 format %{ "BTST $op1,$con\t\t! long" %} | |
8250 opcode(Assembler::andcc_op3, Assembler::arith_op); | |
8251 ins_encode( form3_rs1_simm13_rd( op1, con, R_G0 ) ); | |
8252 ins_pipe(ialu_cconly_reg_reg); | |
8253 %} | |
8254 | |
8255 instruct compU_iReg_imm13(flagsRegU icc, iRegI op1, immU13 op2 ) %{ | |
8256 match(Set icc (CmpU op1 op2)); | |
8257 | |
8258 size(4); | |
8259 format %{ "CMP $op1,$op2\t! unsigned" %} | |
8260 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8261 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) ); | |
8262 ins_pipe(ialu_cconly_reg_imm); | |
8263 %} | |
8264 | |
8265 // Compare Pointers | |
8266 instruct compP_iRegP(flagsRegP pcc, iRegP op1, iRegP op2 ) %{ | |
8267 match(Set pcc (CmpP op1 op2)); | |
8268 | |
8269 size(4); | |
8270 format %{ "CMP $op1,$op2\t! ptr" %} | |
8271 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8272 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); | |
8273 ins_pipe(ialu_cconly_reg_reg); | |
8274 %} | |
8275 | |
8276 instruct compP_iRegP_imm13(flagsRegP pcc, iRegP op1, immP13 op2 ) %{ | |
8277 match(Set pcc (CmpP op1 op2)); | |
8278 | |
8279 size(4); | |
8280 format %{ "CMP $op1,$op2\t! ptr" %} | |
8281 opcode(Assembler::subcc_op3, Assembler::arith_op); | |
8282 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) ); | |
8283 ins_pipe(ialu_cconly_reg_imm); | |
8284 %} | |
8285 | |
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8286 // Compare Narrow oops |
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8287 instruct compN_iRegN(flagsReg icc, iRegN op1, iRegN op2 ) %{ |
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8288 match(Set icc (CmpN op1 op2)); |
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8289 |
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8290 size(4); |
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8291 format %{ "CMP $op1,$op2\t! compressed ptr" %} |
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8292 opcode(Assembler::subcc_op3, Assembler::arith_op); |
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8293 ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) ); |
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8294 ins_pipe(ialu_cconly_reg_reg); |
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8295 %} |
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8296 |
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8297 instruct compN_iRegN_immN0(flagsReg icc, iRegN op1, immN0 op2 ) %{ |
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8298 match(Set icc (CmpN op1 op2)); |
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8299 |
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8300 size(4); |
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8301 format %{ "CMP $op1,$op2\t! compressed ptr" %} |
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8302 opcode(Assembler::subcc_op3, Assembler::arith_op); |
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8303 ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) ); |
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8304 ins_pipe(ialu_cconly_reg_imm); |
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8305 %} |
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8306 |
0 | 8307 //----------Max and Min-------------------------------------------------------- |
8308 // Min Instructions | |
8309 // Conditional move for min | |
8310 instruct cmovI_reg_lt( iRegI op2, iRegI op1, flagsReg icc ) %{ | |
8311 effect( USE_DEF op2, USE op1, USE icc ); | |
8312 | |
8313 size(4); | |
8314 format %{ "MOVlt icc,$op1,$op2\t! min" %} | |
8315 opcode(Assembler::less); | |
8316 ins_encode( enc_cmov_reg_minmax(op2,op1) ); | |
8317 ins_pipe(ialu_reg_flags); | |
8318 %} | |
8319 | |
8320 // Min Register with Register. | |
8321 instruct minI_eReg(iRegI op1, iRegI op2) %{ | |
8322 match(Set op2 (MinI op1 op2)); | |
8323 ins_cost(DEFAULT_COST*2); | |
8324 expand %{ | |
8325 flagsReg icc; | |
8326 compI_iReg(icc,op1,op2); | |
8327 cmovI_reg_lt(op2,op1,icc); | |
8328 %} | |
8329 %} | |
8330 | |
8331 // Max Instructions | |
8332 // Conditional move for max | |
8333 instruct cmovI_reg_gt( iRegI op2, iRegI op1, flagsReg icc ) %{ | |
8334 effect( USE_DEF op2, USE op1, USE icc ); | |
8335 format %{ "MOVgt icc,$op1,$op2\t! max" %} | |
8336 opcode(Assembler::greater); | |
8337 ins_encode( enc_cmov_reg_minmax(op2,op1) ); | |
8338 ins_pipe(ialu_reg_flags); | |
8339 %} | |
8340 | |
8341 // Max Register with Register | |
8342 instruct maxI_eReg(iRegI op1, iRegI op2) %{ | |
8343 match(Set op2 (MaxI op1 op2)); | |
8344 ins_cost(DEFAULT_COST*2); | |
8345 expand %{ | |
8346 flagsReg icc; | |
8347 compI_iReg(icc,op1,op2); | |
8348 cmovI_reg_gt(op2,op1,icc); | |
8349 %} | |
8350 %} | |
8351 | |
8352 | |
8353 //----------Float Compares---------------------------------------------------- | |
8354 // Compare floating, generate condition code | |
8355 instruct cmpF_cc(flagsRegF fcc, regF src1, regF src2) %{ | |
8356 match(Set fcc (CmpF src1 src2)); | |
8357 | |
8358 size(4); | |
8359 format %{ "FCMPs $fcc,$src1,$src2" %} | |
8360 opcode(Assembler::fpop2_op3, Assembler::arith_op, Assembler::fcmps_opf); | |
8361 ins_encode( form3_opf_rs1F_rs2F_fcc( src1, src2, fcc ) ); | |
8362 ins_pipe(faddF_fcc_reg_reg_zero); | |
8363 %} | |
8364 | |
8365 instruct cmpD_cc(flagsRegF fcc, regD src1, regD src2) %{ | |
8366 match(Set fcc (CmpD src1 src2)); | |
8367 | |
8368 size(4); | |
8369 format %{ "FCMPd $fcc,$src1,$src2" %} | |
8370 opcode(Assembler::fpop2_op3, Assembler::arith_op, Assembler::fcmpd_opf); | |
8371 ins_encode( form3_opf_rs1D_rs2D_fcc( src1, src2, fcc ) ); | |
8372 ins_pipe(faddD_fcc_reg_reg_zero); | |
8373 %} | |
8374 | |
8375 | |
8376 // Compare floating, generate -1,0,1 | |
8377 instruct cmpF_reg(iRegI dst, regF src1, regF src2, flagsRegF0 fcc0) %{ | |
8378 match(Set dst (CmpF3 src1 src2)); | |
8379 effect(KILL fcc0); | |
8380 ins_cost(DEFAULT_COST*3+BRANCH_COST*3); | |
8381 format %{ "fcmpl $dst,$src1,$src2" %} | |
8382 // Primary = float | |
8383 opcode( true ); | |
8384 ins_encode( floating_cmp( dst, src1, src2 ) ); | |
8385 ins_pipe( floating_cmp ); | |
8386 %} | |
8387 | |
8388 instruct cmpD_reg(iRegI dst, regD src1, regD src2, flagsRegF0 fcc0) %{ | |
8389 match(Set dst (CmpD3 src1 src2)); | |
8390 effect(KILL fcc0); | |
8391 ins_cost(DEFAULT_COST*3+BRANCH_COST*3); | |
8392 format %{ "dcmpl $dst,$src1,$src2" %} | |
8393 // Primary = double (not float) | |
8394 opcode( false ); | |
8395 ins_encode( floating_cmp( dst, src1, src2 ) ); | |
8396 ins_pipe( floating_cmp ); | |
8397 %} | |
8398 | |
8399 //----------Branches--------------------------------------------------------- | |
8400 // Jump | |
8401 // (compare 'operand indIndex' and 'instruct addP_reg_reg' above) | |
8402 instruct jumpXtnd(iRegX switch_val, o7RegI table) %{ | |
8403 match(Jump switch_val); | |
8404 | |
8405 ins_cost(350); | |
8406 | |
8407 format %{ "SETHI [hi(table_base)],O7\n\t" | |
8408 "ADD O7, lo(table_base), O7\n\t" | |
8409 "LD [O7+$switch_val], O7\n\t" | |
8410 "JUMP O7" | |
8411 %} | |
8412 ins_encode( jump_enc( switch_val, table) ); | |
8413 ins_pc_relative(1); | |
8414 ins_pipe(ialu_reg_reg); | |
8415 %} | |
8416 | |
8417 // Direct Branch. Use V8 version with longer range. | |
8418 instruct branch(label labl) %{ | |
8419 match(Goto); | |
8420 effect(USE labl); | |
8421 | |
8422 size(8); | |
8423 ins_cost(BRANCH_COST); | |
8424 format %{ "BA $labl" %} | |
8425 // Prim = bits 24-22, Secnd = bits 31-30, Tert = cond | |
8426 opcode(Assembler::br_op2, Assembler::branch_op, Assembler::always); | |
8427 ins_encode( enc_ba( labl ) ); | |
8428 ins_pc_relative(1); | |
8429 ins_pipe(br); | |
8430 %} | |
8431 | |
8432 // Conditional Direct Branch | |
8433 instruct branchCon(cmpOp cmp, flagsReg icc, label labl) %{ | |
8434 match(If cmp icc); | |
8435 effect(USE labl); | |
8436 | |
8437 size(8); | |
8438 ins_cost(BRANCH_COST); | |
8439 format %{ "BP$cmp $icc,$labl" %} | |
8440 // Prim = bits 24-22, Secnd = bits 31-30 | |
8441 ins_encode( enc_bp( labl, cmp, icc ) ); | |
8442 ins_pc_relative(1); | |
8443 ins_pipe(br_cc); | |
8444 %} | |
8445 | |
8446 // Branch-on-register tests all 64 bits. We assume that values | |
8447 // in 64-bit registers always remains zero or sign extended | |
8448 // unless our code munges the high bits. Interrupts can chop | |
8449 // the high order bits to zero or sign at any time. | |
8450 instruct branchCon_regI(cmpOp_reg cmp, iRegI op1, immI0 zero, label labl) %{ | |
8451 match(If cmp (CmpI op1 zero)); | |
8452 predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf)); | |
8453 effect(USE labl); | |
8454 | |
8455 size(8); | |
8456 ins_cost(BRANCH_COST); | |
8457 format %{ "BR$cmp $op1,$labl" %} | |
8458 ins_encode( enc_bpr( labl, cmp, op1 ) ); | |
8459 ins_pc_relative(1); | |
8460 ins_pipe(br_reg); | |
8461 %} | |
8462 | |
8463 instruct branchCon_regP(cmpOp_reg cmp, iRegP op1, immP0 null, label labl) %{ | |
8464 match(If cmp (CmpP op1 null)); | |
8465 predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf)); | |
8466 effect(USE labl); | |
8467 | |
8468 size(8); | |
8469 ins_cost(BRANCH_COST); | |
8470 format %{ "BR$cmp $op1,$labl" %} | |
8471 ins_encode( enc_bpr( labl, cmp, op1 ) ); | |
8472 ins_pc_relative(1); | |
8473 ins_pipe(br_reg); | |
8474 %} | |
8475 | |
8476 instruct branchCon_regL(cmpOp_reg cmp, iRegL op1, immL0 zero, label labl) %{ | |
8477 match(If cmp (CmpL op1 zero)); | |
8478 predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf)); | |
8479 effect(USE labl); | |
8480 | |
8481 size(8); | |
8482 ins_cost(BRANCH_COST); | |
8483 format %{ "BR$cmp $op1,$labl" %} | |
8484 ins_encode( enc_bpr( labl, cmp, op1 ) ); | |
8485 ins_pc_relative(1); | |
8486 ins_pipe(br_reg); | |
8487 %} | |
8488 | |
8489 instruct branchConU(cmpOpU cmp, flagsRegU icc, label labl) %{ | |
8490 match(If cmp icc); | |
8491 effect(USE labl); | |
8492 | |
8493 format %{ "BP$cmp $icc,$labl" %} | |
8494 // Prim = bits 24-22, Secnd = bits 31-30 | |
8495 ins_encode( enc_bp( labl, cmp, icc ) ); | |
8496 ins_pc_relative(1); | |
8497 ins_pipe(br_cc); | |
8498 %} | |
8499 | |
8500 instruct branchConP(cmpOpP cmp, flagsRegP pcc, label labl) %{ | |
8501 match(If cmp pcc); | |
8502 effect(USE labl); | |
8503 | |
8504 size(8); | |
8505 ins_cost(BRANCH_COST); | |
8506 format %{ "BP$cmp $pcc,$labl" %} | |
8507 // Prim = bits 24-22, Secnd = bits 31-30 | |
8508 ins_encode( enc_bpx( labl, cmp, pcc ) ); | |
8509 ins_pc_relative(1); | |
8510 ins_pipe(br_cc); | |
8511 %} | |
8512 | |
8513 instruct branchConF(cmpOpF cmp, flagsRegF fcc, label labl) %{ | |
8514 match(If cmp fcc); | |
8515 effect(USE labl); | |
8516 | |
8517 size(8); | |
8518 ins_cost(BRANCH_COST); | |
8519 format %{ "FBP$cmp $fcc,$labl" %} | |
8520 // Prim = bits 24-22, Secnd = bits 31-30 | |
8521 ins_encode( enc_fbp( labl, cmp, fcc ) ); | |
8522 ins_pc_relative(1); | |
8523 ins_pipe(br_fcc); | |
8524 %} | |
8525 | |
8526 instruct branchLoopEnd(cmpOp cmp, flagsReg icc, label labl) %{ | |
8527 match(CountedLoopEnd cmp icc); | |
8528 effect(USE labl); | |
8529 | |
8530 size(8); | |
8531 ins_cost(BRANCH_COST); | |
8532 format %{ "BP$cmp $icc,$labl\t! Loop end" %} | |
8533 // Prim = bits 24-22, Secnd = bits 31-30 | |
8534 ins_encode( enc_bp( labl, cmp, icc ) ); | |
8535 ins_pc_relative(1); | |
8536 ins_pipe(br_cc); | |
8537 %} | |
8538 | |
8539 instruct branchLoopEndU(cmpOpU cmp, flagsRegU icc, label labl) %{ | |
8540 match(CountedLoopEnd cmp icc); | |
8541 effect(USE labl); | |
8542 | |
8543 size(8); | |
8544 ins_cost(BRANCH_COST); | |
8545 format %{ "BP$cmp $icc,$labl\t! Loop end" %} | |
8546 // Prim = bits 24-22, Secnd = bits 31-30 | |
8547 ins_encode( enc_bp( labl, cmp, icc ) ); | |
8548 ins_pc_relative(1); | |
8549 ins_pipe(br_cc); | |
8550 %} | |
8551 | |
8552 // ============================================================================ | |
8553 // Long Compare | |
8554 // | |
8555 // Currently we hold longs in 2 registers. Comparing such values efficiently | |
8556 // is tricky. The flavor of compare used depends on whether we are testing | |
8557 // for LT, LE, or EQ. For a simple LT test we can check just the sign bit. | |
8558 // The GE test is the negated LT test. The LE test can be had by commuting | |
8559 // the operands (yielding a GE test) and then negating; negate again for the | |
8560 // GT test. The EQ test is done by ORcc'ing the high and low halves, and the | |
8561 // NE test is negated from that. | |
8562 | |
8563 // Due to a shortcoming in the ADLC, it mixes up expressions like: | |
8564 // (foo (CmpI (CmpL X Y) 0)) and (bar (CmpI (CmpL X 0L) 0)). Note the | |
8565 // difference between 'Y' and '0L'. The tree-matches for the CmpI sections | |
8566 // are collapsed internally in the ADLC's dfa-gen code. The match for | |
8567 // (CmpI (CmpL X Y) 0) is silently replaced with (CmpI (CmpL X 0L) 0) and the | |
8568 // foo match ends up with the wrong leaf. One fix is to not match both | |
8569 // reg-reg and reg-zero forms of long-compare. This is unfortunate because | |
8570 // both forms beat the trinary form of long-compare and both are very useful | |
8571 // on Intel which has so few registers. | |
8572 | |
8573 instruct branchCon_long(cmpOp cmp, flagsRegL xcc, label labl) %{ | |
8574 match(If cmp xcc); | |
8575 effect(USE labl); | |
8576 | |
8577 size(8); | |
8578 ins_cost(BRANCH_COST); | |
8579 format %{ "BP$cmp $xcc,$labl" %} | |
8580 // Prim = bits 24-22, Secnd = bits 31-30 | |
8581 ins_encode( enc_bpl( labl, cmp, xcc ) ); | |
8582 ins_pc_relative(1); | |
8583 ins_pipe(br_cc); | |
8584 %} | |
8585 | |
8586 // Manifest a CmpL3 result in an integer register. Very painful. | |
8587 // This is the test to avoid. | |
8588 instruct cmpL3_reg_reg(iRegI dst, iRegL src1, iRegL src2, flagsReg ccr ) %{ | |
8589 match(Set dst (CmpL3 src1 src2) ); | |
8590 effect( KILL ccr ); | |
8591 ins_cost(6*DEFAULT_COST); | |
8592 size(24); | |
8593 format %{ "CMP $src1,$src2\t\t! long\n" | |
8594 "\tBLT,a,pn done\n" | |
8595 "\tMOV -1,$dst\t! delay slot\n" | |
8596 "\tBGT,a,pn done\n" | |
8597 "\tMOV 1,$dst\t! delay slot\n" | |
8598 "\tCLR $dst\n" | |
8599 "done:" %} | |
8600 ins_encode( cmpl_flag(src1,src2,dst) ); | |
8601 ins_pipe(cmpL_reg); | |
8602 %} | |
8603 | |
8604 // Conditional move | |
8605 instruct cmovLL_reg(cmpOp cmp, flagsRegL xcc, iRegL dst, iRegL src) %{ | |
8606 match(Set dst (CMoveL (Binary cmp xcc) (Binary dst src))); | |
8607 ins_cost(150); | |
8608 format %{ "MOV$cmp $xcc,$src,$dst\t! long" %} | |
8609 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) ); | |
8610 ins_pipe(ialu_reg); | |
8611 %} | |
8612 | |
8613 instruct cmovLL_imm(cmpOp cmp, flagsRegL xcc, iRegL dst, immL0 src) %{ | |
8614 match(Set dst (CMoveL (Binary cmp xcc) (Binary dst src))); | |
8615 ins_cost(140); | |
8616 format %{ "MOV$cmp $xcc,$src,$dst\t! long" %} | |
8617 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) ); | |
8618 ins_pipe(ialu_imm); | |
8619 %} | |
8620 | |
8621 instruct cmovIL_reg(cmpOp cmp, flagsRegL xcc, iRegI dst, iRegI src) %{ | |
8622 match(Set dst (CMoveI (Binary cmp xcc) (Binary dst src))); | |
8623 ins_cost(150); | |
8624 format %{ "MOV$cmp $xcc,$src,$dst" %} | |
8625 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) ); | |
8626 ins_pipe(ialu_reg); | |
8627 %} | |
8628 | |
8629 instruct cmovIL_imm(cmpOp cmp, flagsRegL xcc, iRegI dst, immI11 src) %{ | |
8630 match(Set dst (CMoveI (Binary cmp xcc) (Binary dst src))); | |
8631 ins_cost(140); | |
8632 format %{ "MOV$cmp $xcc,$src,$dst" %} | |
8633 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) ); | |
8634 ins_pipe(ialu_imm); | |
8635 %} | |
8636 | |
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8637 instruct cmovNL_reg(cmpOp cmp, flagsRegL xcc, iRegN dst, iRegN src) %{ |
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8638 match(Set dst (CMoveN (Binary cmp xcc) (Binary dst src))); |
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8639 ins_cost(150); |
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8640 format %{ "MOV$cmp $xcc,$src,$dst" %} |
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8641 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) ); |
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8642 ins_pipe(ialu_reg); |
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8643 %} |
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8644 |
0 | 8645 instruct cmovPL_reg(cmpOp cmp, flagsRegL xcc, iRegP dst, iRegP src) %{ |
8646 match(Set dst (CMoveP (Binary cmp xcc) (Binary dst src))); | |
8647 ins_cost(150); | |
8648 format %{ "MOV$cmp $xcc,$src,$dst" %} | |
8649 ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) ); | |
8650 ins_pipe(ialu_reg); | |
8651 %} | |
8652 | |
8653 instruct cmovPL_imm(cmpOp cmp, flagsRegL xcc, iRegP dst, immP0 src) %{ | |
8654 match(Set dst (CMoveP (Binary cmp xcc) (Binary dst src))); | |
8655 ins_cost(140); | |
8656 format %{ "MOV$cmp $xcc,$src,$dst" %} | |
8657 ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) ); | |
8658 ins_pipe(ialu_imm); | |
8659 %} | |
8660 | |
8661 instruct cmovFL_reg(cmpOp cmp, flagsRegL xcc, regF dst, regF src) %{ | |
8662 match(Set dst (CMoveF (Binary cmp xcc) (Binary dst src))); | |
8663 ins_cost(150); | |
8664 opcode(0x101); | |
8665 format %{ "FMOVS$cmp $xcc,$src,$dst" %} | |
8666 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::xcc)) ); | |
8667 ins_pipe(int_conditional_float_move); | |
8668 %} | |
8669 | |
8670 instruct cmovDL_reg(cmpOp cmp, flagsRegL xcc, regD dst, regD src) %{ | |
8671 match(Set dst (CMoveD (Binary cmp xcc) (Binary dst src))); | |
8672 ins_cost(150); | |
8673 opcode(0x102); | |
8674 format %{ "FMOVD$cmp $xcc,$src,$dst" %} | |
8675 ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::xcc)) ); | |
8676 ins_pipe(int_conditional_float_move); | |
8677 %} | |
8678 | |
8679 // ============================================================================ | |
8680 // Safepoint Instruction | |
8681 instruct safePoint_poll(iRegP poll) %{ | |
8682 match(SafePoint poll); | |
8683 effect(USE poll); | |
8684 | |
8685 size(4); | |
8686 #ifdef _LP64 | |
8687 format %{ "LDX [$poll],R_G0\t! Safepoint: poll for GC" %} | |
8688 #else | |
8689 format %{ "LDUW [$poll],R_G0\t! Safepoint: poll for GC" %} | |
8690 #endif | |
8691 ins_encode %{ | |
8692 __ relocate(relocInfo::poll_type); | |
8693 __ ld_ptr($poll$$Register, 0, G0); | |
8694 %} | |
8695 ins_pipe(loadPollP); | |
8696 %} | |
8697 | |
8698 // ============================================================================ | |
8699 // Call Instructions | |
8700 // Call Java Static Instruction | |
8701 instruct CallStaticJavaDirect( method meth ) %{ | |
8702 match(CallStaticJava); | |
8703 effect(USE meth); | |
8704 | |
8705 size(8); | |
8706 ins_cost(CALL_COST); | |
8707 format %{ "CALL,static ; NOP ==> " %} | |
8708 ins_encode( Java_Static_Call( meth ), call_epilog ); | |
8709 ins_pc_relative(1); | |
8710 ins_pipe(simple_call); | |
8711 %} | |
8712 | |
8713 // Call Java Dynamic Instruction | |
8714 instruct CallDynamicJavaDirect( method meth ) %{ | |
8715 match(CallDynamicJava); | |
8716 effect(USE meth); | |
8717 | |
8718 ins_cost(CALL_COST); | |
8719 format %{ "SET (empty),R_G5\n\t" | |
8720 "CALL,dynamic ; NOP ==> " %} | |
8721 ins_encode( Java_Dynamic_Call( meth ), call_epilog ); | |
8722 ins_pc_relative(1); | |
8723 ins_pipe(call); | |
8724 %} | |
8725 | |
8726 // Call Runtime Instruction | |
8727 instruct CallRuntimeDirect(method meth, l7RegP l7) %{ | |
8728 match(CallRuntime); | |
8729 effect(USE meth, KILL l7); | |
8730 ins_cost(CALL_COST); | |
8731 format %{ "CALL,runtime" %} | |
8732 ins_encode( Java_To_Runtime( meth ), | |
8733 call_epilog, adjust_long_from_native_call ); | |
8734 ins_pc_relative(1); | |
8735 ins_pipe(simple_call); | |
8736 %} | |
8737 | |
8738 // Call runtime without safepoint - same as CallRuntime | |
8739 instruct CallLeafDirect(method meth, l7RegP l7) %{ | |
8740 match(CallLeaf); | |
8741 effect(USE meth, KILL l7); | |
8742 ins_cost(CALL_COST); | |
8743 format %{ "CALL,runtime leaf" %} | |
8744 ins_encode( Java_To_Runtime( meth ), | |
8745 call_epilog, | |
8746 adjust_long_from_native_call ); | |
8747 ins_pc_relative(1); | |
8748 ins_pipe(simple_call); | |
8749 %} | |
8750 | |
8751 // Call runtime without safepoint - same as CallLeaf | |
8752 instruct CallLeafNoFPDirect(method meth, l7RegP l7) %{ | |
8753 match(CallLeafNoFP); | |
8754 effect(USE meth, KILL l7); | |
8755 ins_cost(CALL_COST); | |
8756 format %{ "CALL,runtime leaf nofp" %} | |
8757 ins_encode( Java_To_Runtime( meth ), | |
8758 call_epilog, | |
8759 adjust_long_from_native_call ); | |
8760 ins_pc_relative(1); | |
8761 ins_pipe(simple_call); | |
8762 %} | |
8763 | |
8764 // Tail Call; Jump from runtime stub to Java code. | |
8765 // Also known as an 'interprocedural jump'. | |
8766 // Target of jump will eventually return to caller. | |
8767 // TailJump below removes the return address. | |
8768 instruct TailCalljmpInd(g3RegP jump_target, inline_cache_regP method_oop) %{ | |
8769 match(TailCall jump_target method_oop ); | |
8770 | |
8771 ins_cost(CALL_COST); | |
8772 format %{ "Jmp $jump_target ; NOP \t! $method_oop holds method oop" %} | |
8773 ins_encode(form_jmpl(jump_target)); | |
8774 ins_pipe(tail_call); | |
8775 %} | |
8776 | |
8777 | |
8778 // Return Instruction | |
8779 instruct Ret() %{ | |
8780 match(Return); | |
8781 | |
8782 // The epilogue node did the ret already. | |
8783 size(0); | |
8784 format %{ "! return" %} | |
8785 ins_encode(); | |
8786 ins_pipe(empty); | |
8787 %} | |
8788 | |
8789 | |
8790 // Tail Jump; remove the return address; jump to target. | |
8791 // TailCall above leaves the return address around. | |
8792 // TailJump is used in only one place, the rethrow_Java stub (fancy_jump=2). | |
8793 // ex_oop (Exception Oop) is needed in %o0 at the jump. As there would be a | |
8794 // "restore" before this instruction (in Epilogue), we need to materialize it | |
8795 // in %i0. | |
8796 instruct tailjmpInd(g1RegP jump_target, i0RegP ex_oop) %{ | |
8797 match( TailJump jump_target ex_oop ); | |
8798 ins_cost(CALL_COST); | |
8799 format %{ "! discard R_O7\n\t" | |
8800 "Jmp $jump_target ; ADD O7,8,O1 \t! $ex_oop holds exc. oop" %} | |
8801 ins_encode(form_jmpl_set_exception_pc(jump_target)); | |
8802 // opcode(Assembler::jmpl_op3, Assembler::arith_op); | |
8803 // The hack duplicates the exception oop into G3, so that CreateEx can use it there. | |
8804 // ins_encode( form3_rs1_simm13_rd( jump_target, 0x00, R_G0 ), move_return_pc_to_o1() ); | |
8805 ins_pipe(tail_call); | |
8806 %} | |
8807 | |
8808 // Create exception oop: created by stack-crawling runtime code. | |
8809 // Created exception is now available to this handler, and is setup | |
8810 // just prior to jumping to this handler. No code emitted. | |
8811 instruct CreateException( o0RegP ex_oop ) | |
8812 %{ | |
8813 match(Set ex_oop (CreateEx)); | |
8814 ins_cost(0); | |
8815 | |
8816 size(0); | |
8817 // use the following format syntax | |
8818 format %{ "! exception oop is in R_O0; no code emitted" %} | |
8819 ins_encode(); | |
8820 ins_pipe(empty); | |
8821 %} | |
8822 | |
8823 | |
8824 // Rethrow exception: | |
8825 // The exception oop will come in the first argument position. | |
8826 // Then JUMP (not call) to the rethrow stub code. | |
8827 instruct RethrowException() | |
8828 %{ | |
8829 match(Rethrow); | |
8830 ins_cost(CALL_COST); | |
8831 | |
8832 // use the following format syntax | |
8833 format %{ "Jmp rethrow_stub" %} | |
8834 ins_encode(enc_rethrow); | |
8835 ins_pipe(tail_call); | |
8836 %} | |
8837 | |
8838 | |
8839 // Die now | |
8840 instruct ShouldNotReachHere( ) | |
8841 %{ | |
8842 match(Halt); | |
8843 ins_cost(CALL_COST); | |
8844 | |
8845 size(4); | |
8846 // Use the following format syntax | |
8847 format %{ "ILLTRAP ; ShouldNotReachHere" %} | |
8848 ins_encode( form2_illtrap() ); | |
8849 ins_pipe(tail_call); | |
8850 %} | |
8851 | |
8852 // ============================================================================ | |
8853 // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass | |
8854 // array for an instance of the superklass. Set a hidden internal cache on a | |
8855 // hit (cache is checked with exposed code in gen_subtype_check()). Return | |
8856 // not zero for a miss or zero for a hit. The encoding ALSO sets flags. | |
8857 instruct partialSubtypeCheck( o0RegP index, o1RegP sub, o2RegP super, flagsRegP pcc, o7RegP o7 ) %{ | |
8858 match(Set index (PartialSubtypeCheck sub super)); | |
8859 effect( KILL pcc, KILL o7 ); | |
8860 ins_cost(DEFAULT_COST*10); | |
8861 format %{ "CALL PartialSubtypeCheck\n\tNOP" %} | |
8862 ins_encode( enc_PartialSubtypeCheck() ); | |
8863 ins_pipe(partial_subtype_check_pipe); | |
8864 %} | |
8865 | |
8866 instruct partialSubtypeCheck_vs_zero( flagsRegP pcc, o1RegP sub, o2RegP super, immP0 zero, o0RegP idx, o7RegP o7 ) %{ | |
8867 match(Set pcc (CmpP (PartialSubtypeCheck sub super) zero)); | |
8868 effect( KILL idx, KILL o7 ); | |
8869 ins_cost(DEFAULT_COST*10); | |
8870 format %{ "CALL PartialSubtypeCheck\n\tNOP\t# (sets condition codes)" %} | |
8871 ins_encode( enc_PartialSubtypeCheck() ); | |
8872 ins_pipe(partial_subtype_check_pipe); | |
8873 %} | |
8874 | |
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8875 |
0 | 8876 // ============================================================================ |
8877 // inlined locking and unlocking | |
8878 | |
8879 instruct cmpFastLock(flagsRegP pcc, iRegP object, iRegP box, iRegP scratch2, o7RegP scratch ) %{ | |
8880 match(Set pcc (FastLock object box)); | |
8881 | |
8882 effect(KILL scratch, TEMP scratch2); | |
8883 ins_cost(100); | |
8884 | |
8885 size(4*112); // conservative overestimation ... | |
8886 format %{ "FASTLOCK $object, $box; KILL $scratch, $scratch2, $box" %} | |
8887 ins_encode( Fast_Lock(object, box, scratch, scratch2) ); | |
8888 ins_pipe(long_memory_op); | |
8889 %} | |
8890 | |
8891 | |
8892 instruct cmpFastUnlock(flagsRegP pcc, iRegP object, iRegP box, iRegP scratch2, o7RegP scratch ) %{ | |
8893 match(Set pcc (FastUnlock object box)); | |
8894 effect(KILL scratch, TEMP scratch2); | |
8895 ins_cost(100); | |
8896 | |
8897 size(4*120); // conservative overestimation ... | |
8898 format %{ "FASTUNLOCK $object, $box; KILL $scratch, $scratch2, $box" %} | |
8899 ins_encode( Fast_Unlock(object, box, scratch, scratch2) ); | |
8900 ins_pipe(long_memory_op); | |
8901 %} | |
8902 | |
8903 // Count and Base registers are fixed because the allocator cannot | |
8904 // kill unknown registers. The encodings are generic. | |
8905 instruct clear_array(iRegX cnt, iRegP base, iRegX temp, Universe dummy, flagsReg ccr) %{ | |
8906 match(Set dummy (ClearArray cnt base)); | |
8907 effect(TEMP temp, KILL ccr); | |
8908 ins_cost(300); | |
8909 format %{ "MOV $cnt,$temp\n" | |
8910 "loop: SUBcc $temp,8,$temp\t! Count down a dword of bytes\n" | |
8911 " BRge loop\t\t! Clearing loop\n" | |
8912 " STX G0,[$base+$temp]\t! delay slot" %} | |
8913 ins_encode( enc_Clear_Array(cnt, base, temp) ); | |
8914 ins_pipe(long_memory_op); | |
8915 %} | |
8916 | |
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8917 instruct string_compare(o0RegP str1, o1RegP str2, g3RegP tmp1, g4RegP tmp2, notemp_iRegI result, |
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8918 o7RegI tmp3, flagsReg ccr) %{ |
0 | 8919 match(Set result (StrComp str1 str2)); |
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8920 effect(USE_KILL str1, USE_KILL str2, KILL tmp1, KILL tmp2, KILL ccr, KILL tmp3); |
0 | 8921 ins_cost(300); |
8922 format %{ "String Compare $str1,$str2 -> $result" %} | |
8923 ins_encode( enc_String_Compare(str1, str2, tmp1, tmp2, result) ); | |
8924 ins_pipe(long_memory_op); | |
8925 %} | |
8926 | |
8927 // ============================================================================ | |
8928 //------------Bytes reverse-------------------------------------------------- | |
8929 | |
8930 instruct bytes_reverse_int(iRegI dst, stackSlotI src) %{ | |
8931 match(Set dst (ReverseBytesI src)); | |
8932 effect(DEF dst, USE src); | |
8933 | |
8934 // Op cost is artificially doubled to make sure that load or store | |
8935 // instructions are preferred over this one which requires a spill | |
8936 // onto a stack slot. | |
8937 ins_cost(2*DEFAULT_COST + MEMORY_REF_COST); | |
8938 size(8); | |
8939 format %{ "LDUWA $src, $dst\t!asi=primary_little" %} | |
8940 opcode(Assembler::lduwa_op3); | |
8941 ins_encode( form3_mem_reg_little(src, dst) ); | |
8942 ins_pipe( iload_mem ); | |
8943 %} | |
8944 | |
8945 instruct bytes_reverse_long(iRegL dst, stackSlotL src) %{ | |
8946 match(Set dst (ReverseBytesL src)); | |
8947 effect(DEF dst, USE src); | |
8948 | |
8949 // Op cost is artificially doubled to make sure that load or store | |
8950 // instructions are preferred over this one which requires a spill | |
8951 // onto a stack slot. | |
8952 ins_cost(2*DEFAULT_COST + MEMORY_REF_COST); | |
8953 size(8); | |
8954 format %{ "LDXA $src, $dst\t!asi=primary_little" %} | |
8955 | |
8956 opcode(Assembler::ldxa_op3); | |
8957 ins_encode( form3_mem_reg_little(src, dst) ); | |
8958 ins_pipe( iload_mem ); | |
8959 %} | |
8960 | |
8961 // Load Integer reversed byte order | |
8962 instruct loadI_reversed(iRegI dst, memory src) %{ | |
8963 match(Set dst (ReverseBytesI (LoadI src))); | |
8964 | |
8965 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
8966 size(8); | |
8967 format %{ "LDUWA $src, $dst\t!asi=primary_little" %} | |
8968 | |
8969 opcode(Assembler::lduwa_op3); | |
8970 ins_encode( form3_mem_reg_little( src, dst) ); | |
8971 ins_pipe(iload_mem); | |
8972 %} | |
8973 | |
8974 // Load Long - aligned and reversed | |
8975 instruct loadL_reversed(iRegL dst, memory src) %{ | |
8976 match(Set dst (ReverseBytesL (LoadL src))); | |
8977 | |
8978 ins_cost(DEFAULT_COST + MEMORY_REF_COST); | |
8979 size(8); | |
8980 format %{ "LDXA $src, $dst\t!asi=primary_little" %} | |
8981 | |
8982 opcode(Assembler::ldxa_op3); | |
8983 ins_encode( form3_mem_reg_little( src, dst ) ); | |
8984 ins_pipe(iload_mem); | |
8985 %} | |
8986 | |
8987 // Store Integer reversed byte order | |
8988 instruct storeI_reversed(memory dst, iRegI src) %{ | |
8989 match(Set dst (StoreI dst (ReverseBytesI src))); | |
8990 | |
8991 ins_cost(MEMORY_REF_COST); | |
8992 size(8); | |
8993 format %{ "STWA $src, $dst\t!asi=primary_little" %} | |
8994 | |
8995 opcode(Assembler::stwa_op3); | |
8996 ins_encode( form3_mem_reg_little( dst, src) ); | |
8997 ins_pipe(istore_mem_reg); | |
8998 %} | |
8999 | |
9000 // Store Long reversed byte order | |
9001 instruct storeL_reversed(memory dst, iRegL src) %{ | |
9002 match(Set dst (StoreL dst (ReverseBytesL src))); | |
9003 | |
9004 ins_cost(MEMORY_REF_COST); | |
9005 size(8); | |
9006 format %{ "STXA $src, $dst\t!asi=primary_little" %} | |
9007 | |
9008 opcode(Assembler::stxa_op3); | |
9009 ins_encode( form3_mem_reg_little( dst, src) ); | |
9010 ins_pipe(istore_mem_reg); | |
9011 %} | |
9012 | |
9013 //----------PEEPHOLE RULES----------------------------------------------------- | |
9014 // These must follow all instruction definitions as they use the names | |
9015 // defined in the instructions definitions. | |
9016 // | |
9017 // peepmatch ( root_instr_name [preceeding_instruction]* ); | |
9018 // | |
9019 // peepconstraint %{ | |
9020 // (instruction_number.operand_name relational_op instruction_number.operand_name | |
9021 // [, ...] ); | |
9022 // // instruction numbers are zero-based using left to right order in peepmatch | |
9023 // | |
9024 // peepreplace ( instr_name ( [instruction_number.operand_name]* ) ); | |
9025 // // provide an instruction_number.operand_name for each operand that appears | |
9026 // // in the replacement instruction's match rule | |
9027 // | |
9028 // ---------VM FLAGS--------------------------------------------------------- | |
9029 // | |
9030 // All peephole optimizations can be turned off using -XX:-OptoPeephole | |
9031 // | |
9032 // Each peephole rule is given an identifying number starting with zero and | |
9033 // increasing by one in the order seen by the parser. An individual peephole | |
9034 // can be enabled, and all others disabled, by using -XX:OptoPeepholeAt=# | |
9035 // on the command-line. | |
9036 // | |
9037 // ---------CURRENT LIMITATIONS---------------------------------------------- | |
9038 // | |
9039 // Only match adjacent instructions in same basic block | |
9040 // Only equality constraints | |
9041 // Only constraints between operands, not (0.dest_reg == EAX_enc) | |
9042 // Only one replacement instruction | |
9043 // | |
9044 // ---------EXAMPLE---------------------------------------------------------- | |
9045 // | |
9046 // // pertinent parts of existing instructions in architecture description | |
9047 // instruct movI(eRegI dst, eRegI src) %{ | |
9048 // match(Set dst (CopyI src)); | |
9049 // %} | |
9050 // | |
9051 // instruct incI_eReg(eRegI dst, immI1 src, eFlagsReg cr) %{ | |
9052 // match(Set dst (AddI dst src)); | |
9053 // effect(KILL cr); | |
9054 // %} | |
9055 // | |
9056 // // Change (inc mov) to lea | |
9057 // peephole %{ | |
9058 // // increment preceeded by register-register move | |
9059 // peepmatch ( incI_eReg movI ); | |
9060 // // require that the destination register of the increment | |
9061 // // match the destination register of the move | |
9062 // peepconstraint ( 0.dst == 1.dst ); | |
9063 // // construct a replacement instruction that sets | |
9064 // // the destination to ( move's source register + one ) | |
9065 // peepreplace ( incI_eReg_immI1( 0.dst 1.src 0.src ) ); | |
9066 // %} | |
9067 // | |
9068 | |
9069 // // Change load of spilled value to only a spill | |
9070 // instruct storeI(memory mem, eRegI src) %{ | |
9071 // match(Set mem (StoreI mem src)); | |
9072 // %} | |
9073 // | |
9074 // instruct loadI(eRegI dst, memory mem) %{ | |
9075 // match(Set dst (LoadI mem)); | |
9076 // %} | |
9077 // | |
9078 // peephole %{ | |
9079 // peepmatch ( loadI storeI ); | |
9080 // peepconstraint ( 1.src == 0.dst, 1.mem == 0.mem ); | |
9081 // peepreplace ( storeI( 1.mem 1.mem 1.src ) ); | |
9082 // %} | |
9083 | |
9084 //----------SMARTSPILL RULES--------------------------------------------------- | |
9085 // These must follow all instruction definitions as they use the names | |
9086 // defined in the instructions definitions. | |
9087 // | |
9088 // SPARC will probably not have any of these rules due to RISC instruction set. | |
9089 | |
9090 //----------PIPELINE----------------------------------------------------------- | |
9091 // Rules which define the behavior of the target architectures pipeline. |