Mercurial > hg > truffle
annotate src/cpu/sparc/vm/jniFastGetField_sparc.cpp @ 1882:ee0d26abaad3
Merge
author | kamg |
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date | Tue, 26 Oct 2010 16:48:28 -0700 |
parents | 3e8fbc61cee8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
1748 | 2 * Copyright (c) 2004, 2010, 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 * | |
1552
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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 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_jniFastGetField_sparc.cpp.incl" | |
27 | |
28 // TSO ensures that loads are blocking and ordered with respect to | |
29 // to earlier loads, so we don't need LoadLoad membars. | |
30 | |
31 #define __ masm-> | |
32 | |
33 #define BUFFER_SIZE 30*sizeof(jint) | |
34 | |
35 // Common register usage: | |
36 // O0: env | |
37 // O1: obj | |
38 // O2: jfieldID | |
39 // O4: offset (O2 >> 2) | |
40 // G4: old safepoint counter | |
41 | |
42 address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) { | |
43 const char *name; | |
44 switch (type) { | |
45 case T_BOOLEAN: name = "jni_fast_GetBooleanField"; break; | |
46 case T_BYTE: name = "jni_fast_GetByteField"; break; | |
47 case T_CHAR: name = "jni_fast_GetCharField"; break; | |
48 case T_SHORT: name = "jni_fast_GetShortField"; break; | |
49 case T_INT: name = "jni_fast_GetIntField"; break; | |
50 default: ShouldNotReachHere(); | |
51 } | |
52 ResourceMark rm; | |
1748 | 53 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
54 CodeBuffer cbuf(blob); | |
0 | 55 MacroAssembler* masm = new MacroAssembler(&cbuf); |
1748 | 56 address fast_entry = __ pc(); |
0 | 57 |
58 Label label1, label2; | |
59 | |
727 | 60 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
61 __ sethi (cnt_addrlit, O3); | |
62 Address cnt_addr(O3, cnt_addrlit.low10()); | |
63 __ ld (cnt_addr, G4); | |
0 | 64 __ andcc (G4, 1, G0); |
65 __ br (Assembler::notZero, false, Assembler::pn, label1); | |
66 __ delayed()->srl (O2, 2, O4); | |
67 __ ld_ptr (O1, 0, O5); | |
68 | |
69 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | |
70 speculative_load_pclist[count] = __ pc(); | |
71 switch (type) { | |
72 case T_BOOLEAN: __ ldub (O5, O4, G3); break; | |
73 case T_BYTE: __ ldsb (O5, O4, G3); break; | |
74 case T_CHAR: __ lduh (O5, O4, G3); break; | |
75 case T_SHORT: __ ldsh (O5, O4, G3); break; | |
76 case T_INT: __ ld (O5, O4, G3); break; | |
77 default: ShouldNotReachHere(); | |
78 } | |
79 | |
727 | 80 __ ld (cnt_addr, O5); |
0 | 81 __ cmp (O5, G4); |
82 __ br (Assembler::notEqual, false, Assembler::pn, label2); | |
83 __ delayed()->mov (O7, G1); | |
84 __ retl (); | |
85 __ delayed()->mov (G3, O0); | |
86 | |
87 slowcase_entry_pclist[count++] = __ pc(); | |
88 __ bind (label1); | |
89 __ mov (O7, G1); | |
90 | |
91 address slow_case_addr; | |
92 switch (type) { | |
93 case T_BOOLEAN: slow_case_addr = jni_GetBooleanField_addr(); break; | |
94 case T_BYTE: slow_case_addr = jni_GetByteField_addr(); break; | |
95 case T_CHAR: slow_case_addr = jni_GetCharField_addr(); break; | |
96 case T_SHORT: slow_case_addr = jni_GetShortField_addr(); break; | |
97 case T_INT: slow_case_addr = jni_GetIntField_addr(); break; | |
98 default: ShouldNotReachHere(); | |
99 } | |
100 __ bind (label2); | |
101 __ call (slow_case_addr, relocInfo::none); | |
102 __ delayed()->mov (G1, O7); | |
103 | |
104 __ flush (); | |
105 | |
106 return fast_entry; | |
107 } | |
108 | |
109 address JNI_FastGetField::generate_fast_get_boolean_field() { | |
110 return generate_fast_get_int_field0(T_BOOLEAN); | |
111 } | |
112 | |
113 address JNI_FastGetField::generate_fast_get_byte_field() { | |
114 return generate_fast_get_int_field0(T_BYTE); | |
115 } | |
116 | |
117 address JNI_FastGetField::generate_fast_get_char_field() { | |
118 return generate_fast_get_int_field0(T_CHAR); | |
119 } | |
120 | |
121 address JNI_FastGetField::generate_fast_get_short_field() { | |
122 return generate_fast_get_int_field0(T_SHORT); | |
123 } | |
124 | |
125 address JNI_FastGetField::generate_fast_get_int_field() { | |
126 return generate_fast_get_int_field0(T_INT); | |
127 } | |
128 | |
129 address JNI_FastGetField::generate_fast_get_long_field() { | |
130 const char *name = "jni_fast_GetLongField"; | |
131 ResourceMark rm; | |
1748 | 132 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
133 CodeBuffer cbuf(blob); | |
0 | 134 MacroAssembler* masm = new MacroAssembler(&cbuf); |
1748 | 135 address fast_entry = __ pc(); |
0 | 136 |
137 Label label1, label2; | |
138 | |
727 | 139 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
140 __ sethi (cnt_addrlit, G3); | |
141 Address cnt_addr(G3, cnt_addrlit.low10()); | |
142 __ ld (cnt_addr, G4); | |
0 | 143 __ andcc (G4, 1, G0); |
144 __ br (Assembler::notZero, false, Assembler::pn, label1); | |
145 __ delayed()->srl (O2, 2, O4); | |
146 __ ld_ptr (O1, 0, O5); | |
147 __ add (O5, O4, O5); | |
148 | |
149 #ifndef _LP64 | |
150 assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small"); | |
151 speculative_load_pclist[count++] = __ pc(); | |
152 __ ld (O5, 0, G2); | |
153 | |
154 speculative_load_pclist[count] = __ pc(); | |
155 __ ld (O5, 4, O3); | |
156 #else | |
157 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | |
158 speculative_load_pclist[count] = __ pc(); | |
159 __ ldx (O5, 0, O3); | |
160 #endif | |
161 | |
727 | 162 __ ld (cnt_addr, G1); |
0 | 163 __ cmp (G1, G4); |
164 __ br (Assembler::notEqual, false, Assembler::pn, label2); | |
165 __ delayed()->mov (O7, G1); | |
166 | |
167 #ifndef _LP64 | |
168 __ mov (G2, O0); | |
169 __ retl (); | |
170 __ delayed()->mov (O3, O1); | |
171 #else | |
172 __ retl (); | |
173 __ delayed()->mov (O3, O0); | |
174 #endif | |
175 | |
176 #ifndef _LP64 | |
177 slowcase_entry_pclist[count-1] = __ pc(); | |
178 slowcase_entry_pclist[count++] = __ pc() ; | |
179 #else | |
180 slowcase_entry_pclist[count++] = __ pc(); | |
181 #endif | |
182 | |
183 __ bind (label1); | |
184 __ mov (O7, G1); | |
185 | |
186 address slow_case_addr = jni_GetLongField_addr(); | |
187 __ bind (label2); | |
188 __ call (slow_case_addr, relocInfo::none); | |
189 __ delayed()->mov (G1, O7); | |
190 | |
191 __ flush (); | |
192 | |
193 return fast_entry; | |
194 } | |
195 | |
196 address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) { | |
197 const char *name; | |
198 switch (type) { | |
199 case T_FLOAT: name = "jni_fast_GetFloatField"; break; | |
200 case T_DOUBLE: name = "jni_fast_GetDoubleField"; break; | |
201 default: ShouldNotReachHere(); | |
202 } | |
203 ResourceMark rm; | |
1748 | 204 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
205 CodeBuffer cbuf(blob); | |
0 | 206 MacroAssembler* masm = new MacroAssembler(&cbuf); |
1748 | 207 address fast_entry = __ pc(); |
0 | 208 |
209 Label label1, label2; | |
210 | |
727 | 211 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
212 __ sethi (cnt_addrlit, O3); | |
213 Address cnt_addr(O3, cnt_addrlit.low10()); | |
214 __ ld (cnt_addr, G4); | |
0 | 215 __ andcc (G4, 1, G0); |
216 __ br (Assembler::notZero, false, Assembler::pn, label1); | |
217 __ delayed()->srl (O2, 2, O4); | |
218 __ ld_ptr (O1, 0, O5); | |
219 | |
220 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | |
221 speculative_load_pclist[count] = __ pc(); | |
222 switch (type) { | |
223 case T_FLOAT: __ ldf (FloatRegisterImpl::S, O5, O4, F0); break; | |
224 case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break; | |
225 default: ShouldNotReachHere(); | |
226 } | |
227 | |
727 | 228 __ ld (cnt_addr, O5); |
0 | 229 __ cmp (O5, G4); |
230 __ br (Assembler::notEqual, false, Assembler::pn, label2); | |
231 __ delayed()->mov (O7, G1); | |
232 | |
233 __ retl (); | |
234 __ delayed()-> nop (); | |
235 | |
236 slowcase_entry_pclist[count++] = __ pc(); | |
237 __ bind (label1); | |
238 __ mov (O7, G1); | |
239 | |
240 address slow_case_addr; | |
241 switch (type) { | |
242 case T_FLOAT: slow_case_addr = jni_GetFloatField_addr(); break; | |
243 case T_DOUBLE: slow_case_addr = jni_GetDoubleField_addr(); break; | |
244 default: ShouldNotReachHere(); | |
245 } | |
246 __ bind (label2); | |
247 __ call (slow_case_addr, relocInfo::none); | |
248 __ delayed()->mov (G1, O7); | |
249 | |
250 __ flush (); | |
251 | |
252 return fast_entry; | |
253 } | |
254 | |
255 address JNI_FastGetField::generate_fast_get_float_field() { | |
256 return generate_fast_get_float_field0(T_FLOAT); | |
257 } | |
258 | |
259 address JNI_FastGetField::generate_fast_get_double_field() { | |
260 return generate_fast_get_float_field0(T_DOUBLE); | |
261 } |