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annotate src/cpu/sparc/vm/c1_FrameMap_sparc.cpp @ 7274:19f5c9b96fa7
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 18 Dec 2012 17:59:32 +0100 |
parents | b9a9ed0f8eeb |
children | 9acbfe04b5c3 |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "c1/c1_FrameMap.hpp" | |
27 #include "c1/c1_LIR.hpp" | |
28 #include "runtime/sharedRuntime.hpp" | |
29 #include "vmreg_sparc.inline.hpp" | |
0 | 30 |
31 | |
32 const int FrameMap::pd_c_runtime_reserved_arg_size = 7; | |
33 | |
34 | |
35 LIR_Opr FrameMap::map_to_opr(BasicType type, VMRegPair* reg, bool outgoing) { | |
36 LIR_Opr opr = LIR_OprFact::illegalOpr; | |
37 VMReg r_1 = reg->first(); | |
38 VMReg r_2 = reg->second(); | |
39 if (r_1->is_stack()) { | |
40 // Convert stack slot to an SP offset | |
41 // The calling convention does not count the SharedRuntime::out_preserve_stack_slots() value | |
42 // so we must add it in here. | |
43 int st_off = (r_1->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size; | |
44 opr = LIR_OprFact::address(new LIR_Address(SP_opr, st_off + STACK_BIAS, type)); | |
45 } else if (r_1->is_Register()) { | |
46 Register reg = r_1->as_Register(); | |
47 if (outgoing) { | |
48 assert(!reg->is_in(), "should be using I regs"); | |
49 } else { | |
50 assert(!reg->is_out(), "should be using O regs"); | |
51 } | |
52 if (r_2->is_Register() && (type == T_LONG || type == T_DOUBLE)) { | |
53 opr = as_long_opr(reg); | |
54 } else if (type == T_OBJECT || type == T_ARRAY) { | |
55 opr = as_oop_opr(reg); | |
56 } else { | |
57 opr = as_opr(reg); | |
58 } | |
59 } else if (r_1->is_FloatRegister()) { | |
60 assert(type == T_DOUBLE || type == T_FLOAT, "wrong type"); | |
61 FloatRegister f = r_1->as_FloatRegister(); | |
62 if (type == T_DOUBLE) { | |
63 opr = as_double_opr(f); | |
64 } else { | |
65 opr = as_float_opr(f); | |
66 } | |
67 } | |
68 return opr; | |
69 } | |
70 | |
71 // FrameMap | |
72 //-------------------------------------------------------- | |
73 | |
74 FloatRegister FrameMap::_fpu_regs [FrameMap::nof_fpu_regs]; | |
75 | |
76 // some useful constant RInfo's: | |
77 LIR_Opr FrameMap::in_long_opr; | |
78 LIR_Opr FrameMap::out_long_opr; | |
1783 | 79 LIR_Opr FrameMap::g1_long_single_opr; |
0 | 80 |
81 LIR_Opr FrameMap::F0_opr; | |
82 LIR_Opr FrameMap::F0_double_opr; | |
83 | |
84 LIR_Opr FrameMap::G0_opr; | |
85 LIR_Opr FrameMap::G1_opr; | |
86 LIR_Opr FrameMap::G2_opr; | |
87 LIR_Opr FrameMap::G3_opr; | |
88 LIR_Opr FrameMap::G4_opr; | |
89 LIR_Opr FrameMap::G5_opr; | |
90 LIR_Opr FrameMap::G6_opr; | |
91 LIR_Opr FrameMap::G7_opr; | |
92 LIR_Opr FrameMap::O0_opr; | |
93 LIR_Opr FrameMap::O1_opr; | |
94 LIR_Opr FrameMap::O2_opr; | |
95 LIR_Opr FrameMap::O3_opr; | |
96 LIR_Opr FrameMap::O4_opr; | |
97 LIR_Opr FrameMap::O5_opr; | |
98 LIR_Opr FrameMap::O6_opr; | |
99 LIR_Opr FrameMap::O7_opr; | |
100 LIR_Opr FrameMap::L0_opr; | |
101 LIR_Opr FrameMap::L1_opr; | |
102 LIR_Opr FrameMap::L2_opr; | |
103 LIR_Opr FrameMap::L3_opr; | |
104 LIR_Opr FrameMap::L4_opr; | |
105 LIR_Opr FrameMap::L5_opr; | |
106 LIR_Opr FrameMap::L6_opr; | |
107 LIR_Opr FrameMap::L7_opr; | |
108 LIR_Opr FrameMap::I0_opr; | |
109 LIR_Opr FrameMap::I1_opr; | |
110 LIR_Opr FrameMap::I2_opr; | |
111 LIR_Opr FrameMap::I3_opr; | |
112 LIR_Opr FrameMap::I4_opr; | |
113 LIR_Opr FrameMap::I5_opr; | |
114 LIR_Opr FrameMap::I6_opr; | |
115 LIR_Opr FrameMap::I7_opr; | |
116 | |
117 LIR_Opr FrameMap::G0_oop_opr; | |
118 LIR_Opr FrameMap::G1_oop_opr; | |
119 LIR_Opr FrameMap::G2_oop_opr; | |
120 LIR_Opr FrameMap::G3_oop_opr; | |
121 LIR_Opr FrameMap::G4_oop_opr; | |
122 LIR_Opr FrameMap::G5_oop_opr; | |
123 LIR_Opr FrameMap::G6_oop_opr; | |
124 LIR_Opr FrameMap::G7_oop_opr; | |
125 LIR_Opr FrameMap::O0_oop_opr; | |
126 LIR_Opr FrameMap::O1_oop_opr; | |
127 LIR_Opr FrameMap::O2_oop_opr; | |
128 LIR_Opr FrameMap::O3_oop_opr; | |
129 LIR_Opr FrameMap::O4_oop_opr; | |
130 LIR_Opr FrameMap::O5_oop_opr; | |
131 LIR_Opr FrameMap::O6_oop_opr; | |
132 LIR_Opr FrameMap::O7_oop_opr; | |
133 LIR_Opr FrameMap::L0_oop_opr; | |
134 LIR_Opr FrameMap::L1_oop_opr; | |
135 LIR_Opr FrameMap::L2_oop_opr; | |
136 LIR_Opr FrameMap::L3_oop_opr; | |
137 LIR_Opr FrameMap::L4_oop_opr; | |
138 LIR_Opr FrameMap::L5_oop_opr; | |
139 LIR_Opr FrameMap::L6_oop_opr; | |
140 LIR_Opr FrameMap::L7_oop_opr; | |
141 LIR_Opr FrameMap::I0_oop_opr; | |
142 LIR_Opr FrameMap::I1_oop_opr; | |
143 LIR_Opr FrameMap::I2_oop_opr; | |
144 LIR_Opr FrameMap::I3_oop_opr; | |
145 LIR_Opr FrameMap::I4_oop_opr; | |
146 LIR_Opr FrameMap::I5_oop_opr; | |
147 LIR_Opr FrameMap::I6_oop_opr; | |
148 LIR_Opr FrameMap::I7_oop_opr; | |
149 | |
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150 LIR_Opr FrameMap::G0_metadata_opr; |
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151 LIR_Opr FrameMap::G1_metadata_opr; |
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152 LIR_Opr FrameMap::G2_metadata_opr; |
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153 LIR_Opr FrameMap::G3_metadata_opr; |
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154 LIR_Opr FrameMap::G4_metadata_opr; |
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155 LIR_Opr FrameMap::G5_metadata_opr; |
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156 LIR_Opr FrameMap::G6_metadata_opr; |
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157 LIR_Opr FrameMap::G7_metadata_opr; |
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158 LIR_Opr FrameMap::O0_metadata_opr; |
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159 LIR_Opr FrameMap::O1_metadata_opr; |
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160 LIR_Opr FrameMap::O2_metadata_opr; |
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161 LIR_Opr FrameMap::O3_metadata_opr; |
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162 LIR_Opr FrameMap::O4_metadata_opr; |
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163 LIR_Opr FrameMap::O5_metadata_opr; |
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164 LIR_Opr FrameMap::O6_metadata_opr; |
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165 LIR_Opr FrameMap::O7_metadata_opr; |
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166 LIR_Opr FrameMap::L0_metadata_opr; |
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167 LIR_Opr FrameMap::L1_metadata_opr; |
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168 LIR_Opr FrameMap::L2_metadata_opr; |
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169 LIR_Opr FrameMap::L3_metadata_opr; |
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170 LIR_Opr FrameMap::L4_metadata_opr; |
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171 LIR_Opr FrameMap::L5_metadata_opr; |
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172 LIR_Opr FrameMap::L6_metadata_opr; |
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173 LIR_Opr FrameMap::L7_metadata_opr; |
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174 LIR_Opr FrameMap::I0_metadata_opr; |
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175 LIR_Opr FrameMap::I1_metadata_opr; |
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176 LIR_Opr FrameMap::I2_metadata_opr; |
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177 LIR_Opr FrameMap::I3_metadata_opr; |
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178 LIR_Opr FrameMap::I4_metadata_opr; |
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179 LIR_Opr FrameMap::I5_metadata_opr; |
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180 LIR_Opr FrameMap::I6_metadata_opr; |
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181 LIR_Opr FrameMap::I7_metadata_opr; |
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182 |
0 | 183 LIR_Opr FrameMap::SP_opr; |
184 LIR_Opr FrameMap::FP_opr; | |
185 | |
186 LIR_Opr FrameMap::Oexception_opr; | |
187 LIR_Opr FrameMap::Oissuing_pc_opr; | |
188 | |
189 LIR_Opr FrameMap::_caller_save_cpu_regs[] = { 0, }; | |
190 LIR_Opr FrameMap::_caller_save_fpu_regs[] = { 0, }; | |
191 | |
192 | |
193 FloatRegister FrameMap::nr2floatreg (int rnr) { | |
194 assert(_init_done, "tables not initialized"); | |
195 debug_only(fpu_range_check(rnr);) | |
196 return _fpu_regs[rnr]; | |
197 } | |
198 | |
199 | |
200 // returns true if reg could be smashed by a callee. | |
201 bool FrameMap::is_caller_save_register (LIR_Opr reg) { | |
202 if (reg->is_single_fpu() || reg->is_double_fpu()) { return true; } | |
203 if (reg->is_double_cpu()) { | |
204 return is_caller_save_register(reg->as_register_lo()) || | |
205 is_caller_save_register(reg->as_register_hi()); | |
206 } | |
207 return is_caller_save_register(reg->as_register()); | |
208 } | |
209 | |
210 | |
211 NEEDS_CLEANUP // once the new calling convention is enabled, we no | |
212 // longer need to treat I5, I4 and L0 specially | |
213 // Because the interpreter destroys caller's I5, I4 and L0, | |
214 // we must spill them before doing a Java call as we may land in | |
215 // interpreter. | |
216 bool FrameMap::is_caller_save_register (Register r) { | |
217 return (r->is_global() && (r != G0)) || r->is_out(); | |
218 } | |
219 | |
220 | |
1584 | 221 void FrameMap::initialize() { |
222 assert(!_init_done, "once"); | |
0 | 223 |
224 int i=0; | |
225 // Register usage: | |
226 // O6: sp | |
227 // I6: fp | |
228 // I7: return address | |
229 // G0: zero | |
230 // G2: thread | |
231 // G7: not available | |
232 // G6: not available | |
233 /* 0 */ map_register(i++, L0); | |
234 /* 1 */ map_register(i++, L1); | |
235 /* 2 */ map_register(i++, L2); | |
236 /* 3 */ map_register(i++, L3); | |
237 /* 4 */ map_register(i++, L4); | |
238 /* 5 */ map_register(i++, L5); | |
239 /* 6 */ map_register(i++, L6); | |
240 /* 7 */ map_register(i++, L7); | |
241 | |
242 /* 8 */ map_register(i++, I0); | |
243 /* 9 */ map_register(i++, I1); | |
244 /* 10 */ map_register(i++, I2); | |
245 /* 11 */ map_register(i++, I3); | |
246 /* 12 */ map_register(i++, I4); | |
247 /* 13 */ map_register(i++, I5); | |
248 /* 14 */ map_register(i++, O0); | |
249 /* 15 */ map_register(i++, O1); | |
250 /* 16 */ map_register(i++, O2); | |
251 /* 17 */ map_register(i++, O3); | |
252 /* 18 */ map_register(i++, O4); | |
253 /* 19 */ map_register(i++, O5); // <- last register visible in RegAlloc (RegAlloc::nof+cpu_regs) | |
254 /* 20 */ map_register(i++, G1); | |
255 /* 21 */ map_register(i++, G3); | |
256 /* 22 */ map_register(i++, G4); | |
257 /* 23 */ map_register(i++, G5); | |
258 /* 24 */ map_register(i++, G0); | |
259 | |
260 // the following registers are not normally available | |
261 /* 25 */ map_register(i++, O7); | |
262 /* 26 */ map_register(i++, G2); | |
263 /* 27 */ map_register(i++, O6); | |
264 /* 28 */ map_register(i++, I6); | |
265 /* 29 */ map_register(i++, I7); | |
266 /* 30 */ map_register(i++, G6); | |
267 /* 31 */ map_register(i++, G7); | |
268 assert(i == nof_cpu_regs, "number of CPU registers"); | |
269 | |
270 for (i = 0; i < nof_fpu_regs; i++) { | |
271 _fpu_regs[i] = as_FloatRegister(i); | |
272 } | |
273 | |
274 _init_done = true; | |
275 | |
276 in_long_opr = as_long_opr(I0); | |
277 out_long_opr = as_long_opr(O0); | |
1783 | 278 g1_long_single_opr = as_long_single_opr(G1); |
0 | 279 |
280 G0_opr = as_opr(G0); | |
281 G1_opr = as_opr(G1); | |
282 G2_opr = as_opr(G2); | |
283 G3_opr = as_opr(G3); | |
284 G4_opr = as_opr(G4); | |
285 G5_opr = as_opr(G5); | |
286 G6_opr = as_opr(G6); | |
287 G7_opr = as_opr(G7); | |
288 O0_opr = as_opr(O0); | |
289 O1_opr = as_opr(O1); | |
290 O2_opr = as_opr(O2); | |
291 O3_opr = as_opr(O3); | |
292 O4_opr = as_opr(O4); | |
293 O5_opr = as_opr(O5); | |
294 O6_opr = as_opr(O6); | |
295 O7_opr = as_opr(O7); | |
296 L0_opr = as_opr(L0); | |
297 L1_opr = as_opr(L1); | |
298 L2_opr = as_opr(L2); | |
299 L3_opr = as_opr(L3); | |
300 L4_opr = as_opr(L4); | |
301 L5_opr = as_opr(L5); | |
302 L6_opr = as_opr(L6); | |
303 L7_opr = as_opr(L7); | |
304 I0_opr = as_opr(I0); | |
305 I1_opr = as_opr(I1); | |
306 I2_opr = as_opr(I2); | |
307 I3_opr = as_opr(I3); | |
308 I4_opr = as_opr(I4); | |
309 I5_opr = as_opr(I5); | |
310 I6_opr = as_opr(I6); | |
311 I7_opr = as_opr(I7); | |
312 | |
313 G0_oop_opr = as_oop_opr(G0); | |
314 G1_oop_opr = as_oop_opr(G1); | |
315 G2_oop_opr = as_oop_opr(G2); | |
316 G3_oop_opr = as_oop_opr(G3); | |
317 G4_oop_opr = as_oop_opr(G4); | |
318 G5_oop_opr = as_oop_opr(G5); | |
319 G6_oop_opr = as_oop_opr(G6); | |
320 G7_oop_opr = as_oop_opr(G7); | |
321 O0_oop_opr = as_oop_opr(O0); | |
322 O1_oop_opr = as_oop_opr(O1); | |
323 O2_oop_opr = as_oop_opr(O2); | |
324 O3_oop_opr = as_oop_opr(O3); | |
325 O4_oop_opr = as_oop_opr(O4); | |
326 O5_oop_opr = as_oop_opr(O5); | |
327 O6_oop_opr = as_oop_opr(O6); | |
328 O7_oop_opr = as_oop_opr(O7); | |
329 L0_oop_opr = as_oop_opr(L0); | |
330 L1_oop_opr = as_oop_opr(L1); | |
331 L2_oop_opr = as_oop_opr(L2); | |
332 L3_oop_opr = as_oop_opr(L3); | |
333 L4_oop_opr = as_oop_opr(L4); | |
334 L5_oop_opr = as_oop_opr(L5); | |
335 L6_oop_opr = as_oop_opr(L6); | |
336 L7_oop_opr = as_oop_opr(L7); | |
337 I0_oop_opr = as_oop_opr(I0); | |
338 I1_oop_opr = as_oop_opr(I1); | |
339 I2_oop_opr = as_oop_opr(I2); | |
340 I3_oop_opr = as_oop_opr(I3); | |
341 I4_oop_opr = as_oop_opr(I4); | |
342 I5_oop_opr = as_oop_opr(I5); | |
343 I6_oop_opr = as_oop_opr(I6); | |
344 I7_oop_opr = as_oop_opr(I7); | |
345 | |
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346 G0_metadata_opr = as_metadata_opr(G0); |
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347 G1_metadata_opr = as_metadata_opr(G1); |
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348 G2_metadata_opr = as_metadata_opr(G2); |
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349 G3_metadata_opr = as_metadata_opr(G3); |
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350 G4_metadata_opr = as_metadata_opr(G4); |
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351 G5_metadata_opr = as_metadata_opr(G5); |
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352 G6_metadata_opr = as_metadata_opr(G6); |
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353 G7_metadata_opr = as_metadata_opr(G7); |
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354 O0_metadata_opr = as_metadata_opr(O0); |
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355 O1_metadata_opr = as_metadata_opr(O1); |
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356 O2_metadata_opr = as_metadata_opr(O2); |
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357 O3_metadata_opr = as_metadata_opr(O3); |
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358 O4_metadata_opr = as_metadata_opr(O4); |
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359 O5_metadata_opr = as_metadata_opr(O5); |
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360 O6_metadata_opr = as_metadata_opr(O6); |
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361 O7_metadata_opr = as_metadata_opr(O7); |
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362 L0_metadata_opr = as_metadata_opr(L0); |
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363 L1_metadata_opr = as_metadata_opr(L1); |
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364 L2_metadata_opr = as_metadata_opr(L2); |
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365 L3_metadata_opr = as_metadata_opr(L3); |
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366 L4_metadata_opr = as_metadata_opr(L4); |
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367 L5_metadata_opr = as_metadata_opr(L5); |
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368 L6_metadata_opr = as_metadata_opr(L6); |
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369 L7_metadata_opr = as_metadata_opr(L7); |
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370 I0_metadata_opr = as_metadata_opr(I0); |
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371 I1_metadata_opr = as_metadata_opr(I1); |
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372 I2_metadata_opr = as_metadata_opr(I2); |
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373 I3_metadata_opr = as_metadata_opr(I3); |
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374 I4_metadata_opr = as_metadata_opr(I4); |
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375 I5_metadata_opr = as_metadata_opr(I5); |
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376 I6_metadata_opr = as_metadata_opr(I6); |
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377 I7_metadata_opr = as_metadata_opr(I7); |
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378 |
0 | 379 FP_opr = as_pointer_opr(FP); |
380 SP_opr = as_pointer_opr(SP); | |
381 | |
382 F0_opr = as_float_opr(F0); | |
383 F0_double_opr = as_double_opr(F0); | |
384 | |
385 Oexception_opr = as_oop_opr(Oexception); | |
386 Oissuing_pc_opr = as_opr(Oissuing_pc); | |
387 | |
388 _caller_save_cpu_regs[0] = FrameMap::O0_opr; | |
389 _caller_save_cpu_regs[1] = FrameMap::O1_opr; | |
390 _caller_save_cpu_regs[2] = FrameMap::O2_opr; | |
391 _caller_save_cpu_regs[3] = FrameMap::O3_opr; | |
392 _caller_save_cpu_regs[4] = FrameMap::O4_opr; | |
393 _caller_save_cpu_regs[5] = FrameMap::O5_opr; | |
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394 _caller_save_cpu_regs[6] = FrameMap::G1_opr; |
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395 _caller_save_cpu_regs[7] = FrameMap::G3_opr; |
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396 _caller_save_cpu_regs[8] = FrameMap::G4_opr; |
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397 _caller_save_cpu_regs[9] = FrameMap::G5_opr; |
0 | 398 for (int i = 0; i < nof_caller_save_fpu_regs; i++) { |
399 _caller_save_fpu_regs[i] = LIR_OprFact::single_fpu(i); | |
400 } | |
401 } | |
402 | |
403 | |
404 Address FrameMap::make_new_address(ByteSize sp_offset) const { | |
727 | 405 return Address(SP, STACK_BIAS + in_bytes(sp_offset)); |
0 | 406 } |
407 | |
408 | |
409 VMReg FrameMap::fpu_regname (int n) { | |
410 return as_FloatRegister(n)->as_VMReg(); | |
411 } | |
412 | |
413 | |
414 LIR_Opr FrameMap::stack_pointer() { | |
415 return SP_opr; | |
416 } | |
417 | |
418 | |
1564 | 419 // JSR 292 |
420 LIR_Opr FrameMap::method_handle_invoke_SP_save_opr() { | |
421 assert(L7 == L7_mh_SP_save, "must be same register"); | |
422 return L7_opr; | |
423 } | |
424 | |
425 | |
0 | 426 bool FrameMap::validate_frame() { |
427 int max_offset = in_bytes(framesize_in_bytes()); | |
428 int java_index = 0; | |
429 for (int i = 0; i < _incoming_arguments->length(); i++) { | |
430 LIR_Opr opr = _incoming_arguments->at(i); | |
431 if (opr->is_stack()) { | |
432 max_offset = MAX2(_argument_locations->at(java_index), max_offset); | |
433 } | |
434 java_index += type2size[opr->type()]; | |
435 } | |
436 return Assembler::is_simm13(max_offset + STACK_BIAS); | |
437 } |