Mercurial > hg > truffle
annotate src/cpu/sparc/vm/jniFastGetField_sparc.cpp @ 7274:19f5c9b96fa7
Merge.
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 18 Dec 2012 17:59:32 +0100 |
parents | f0c2369fda5a |
children |
rev | line source |
---|---|
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
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
727
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
727
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
727
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
7204
f0c2369fda5a
8003250: SPARC: move MacroAssembler into separate file
twisti
parents:
1972
diff
changeset
|
26 #include "asm/macroAssembler.inline.hpp" |
1972 | 27 #include "memory/resourceArea.hpp" |
28 #include "prims/jniFastGetField.hpp" | |
29 #include "prims/jvm_misc.hpp" | |
30 #include "runtime/safepoint.hpp" | |
0 | 31 |
32 // TSO ensures that loads are blocking and ordered with respect to | |
33 // to earlier loads, so we don't need LoadLoad membars. | |
34 | |
35 #define __ masm-> | |
36 | |
37 #define BUFFER_SIZE 30*sizeof(jint) | |
38 | |
39 // Common register usage: | |
40 // O0: env | |
41 // O1: obj | |
42 // O2: jfieldID | |
43 // O4: offset (O2 >> 2) | |
44 // G4: old safepoint counter | |
45 | |
46 address JNI_FastGetField::generate_fast_get_int_field0(BasicType type) { | |
47 const char *name; | |
48 switch (type) { | |
49 case T_BOOLEAN: name = "jni_fast_GetBooleanField"; break; | |
50 case T_BYTE: name = "jni_fast_GetByteField"; break; | |
51 case T_CHAR: name = "jni_fast_GetCharField"; break; | |
52 case T_SHORT: name = "jni_fast_GetShortField"; break; | |
53 case T_INT: name = "jni_fast_GetIntField"; break; | |
54 default: ShouldNotReachHere(); | |
55 } | |
56 ResourceMark rm; | |
1748 | 57 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
58 CodeBuffer cbuf(blob); | |
0 | 59 MacroAssembler* masm = new MacroAssembler(&cbuf); |
1748 | 60 address fast_entry = __ pc(); |
0 | 61 |
62 Label label1, label2; | |
63 | |
727 | 64 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
65 __ sethi (cnt_addrlit, O3); | |
66 Address cnt_addr(O3, cnt_addrlit.low10()); | |
67 __ ld (cnt_addr, G4); | |
0 | 68 __ andcc (G4, 1, G0); |
69 __ br (Assembler::notZero, false, Assembler::pn, label1); | |
70 __ delayed()->srl (O2, 2, O4); | |
71 __ ld_ptr (O1, 0, O5); | |
72 | |
73 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | |
74 speculative_load_pclist[count] = __ pc(); | |
75 switch (type) { | |
76 case T_BOOLEAN: __ ldub (O5, O4, G3); break; | |
77 case T_BYTE: __ ldsb (O5, O4, G3); break; | |
78 case T_CHAR: __ lduh (O5, O4, G3); break; | |
79 case T_SHORT: __ ldsh (O5, O4, G3); break; | |
80 case T_INT: __ ld (O5, O4, G3); break; | |
81 default: ShouldNotReachHere(); | |
82 } | |
83 | |
727 | 84 __ ld (cnt_addr, O5); |
0 | 85 __ cmp (O5, G4); |
86 __ br (Assembler::notEqual, false, Assembler::pn, label2); | |
87 __ delayed()->mov (O7, G1); | |
88 __ retl (); | |
89 __ delayed()->mov (G3, O0); | |
90 | |
91 slowcase_entry_pclist[count++] = __ pc(); | |
92 __ bind (label1); | |
93 __ mov (O7, G1); | |
94 | |
95 address slow_case_addr; | |
96 switch (type) { | |
97 case T_BOOLEAN: slow_case_addr = jni_GetBooleanField_addr(); break; | |
98 case T_BYTE: slow_case_addr = jni_GetByteField_addr(); break; | |
99 case T_CHAR: slow_case_addr = jni_GetCharField_addr(); break; | |
100 case T_SHORT: slow_case_addr = jni_GetShortField_addr(); break; | |
101 case T_INT: slow_case_addr = jni_GetIntField_addr(); break; | |
102 default: ShouldNotReachHere(); | |
103 } | |
104 __ bind (label2); | |
105 __ call (slow_case_addr, relocInfo::none); | |
106 __ delayed()->mov (G1, O7); | |
107 | |
108 __ flush (); | |
109 | |
110 return fast_entry; | |
111 } | |
112 | |
113 address JNI_FastGetField::generate_fast_get_boolean_field() { | |
114 return generate_fast_get_int_field0(T_BOOLEAN); | |
115 } | |
116 | |
117 address JNI_FastGetField::generate_fast_get_byte_field() { | |
118 return generate_fast_get_int_field0(T_BYTE); | |
119 } | |
120 | |
121 address JNI_FastGetField::generate_fast_get_char_field() { | |
122 return generate_fast_get_int_field0(T_CHAR); | |
123 } | |
124 | |
125 address JNI_FastGetField::generate_fast_get_short_field() { | |
126 return generate_fast_get_int_field0(T_SHORT); | |
127 } | |
128 | |
129 address JNI_FastGetField::generate_fast_get_int_field() { | |
130 return generate_fast_get_int_field0(T_INT); | |
131 } | |
132 | |
133 address JNI_FastGetField::generate_fast_get_long_field() { | |
134 const char *name = "jni_fast_GetLongField"; | |
135 ResourceMark rm; | |
1748 | 136 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
137 CodeBuffer cbuf(blob); | |
0 | 138 MacroAssembler* masm = new MacroAssembler(&cbuf); |
1748 | 139 address fast_entry = __ pc(); |
0 | 140 |
141 Label label1, label2; | |
142 | |
727 | 143 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
144 __ sethi (cnt_addrlit, G3); | |
145 Address cnt_addr(G3, cnt_addrlit.low10()); | |
146 __ ld (cnt_addr, G4); | |
0 | 147 __ andcc (G4, 1, G0); |
148 __ br (Assembler::notZero, false, Assembler::pn, label1); | |
149 __ delayed()->srl (O2, 2, O4); | |
150 __ ld_ptr (O1, 0, O5); | |
151 __ add (O5, O4, O5); | |
152 | |
153 #ifndef _LP64 | |
154 assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small"); | |
155 speculative_load_pclist[count++] = __ pc(); | |
156 __ ld (O5, 0, G2); | |
157 | |
158 speculative_load_pclist[count] = __ pc(); | |
159 __ ld (O5, 4, O3); | |
160 #else | |
161 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | |
162 speculative_load_pclist[count] = __ pc(); | |
163 __ ldx (O5, 0, O3); | |
164 #endif | |
165 | |
727 | 166 __ ld (cnt_addr, G1); |
0 | 167 __ cmp (G1, G4); |
168 __ br (Assembler::notEqual, false, Assembler::pn, label2); | |
169 __ delayed()->mov (O7, G1); | |
170 | |
171 #ifndef _LP64 | |
172 __ mov (G2, O0); | |
173 __ retl (); | |
174 __ delayed()->mov (O3, O1); | |
175 #else | |
176 __ retl (); | |
177 __ delayed()->mov (O3, O0); | |
178 #endif | |
179 | |
180 #ifndef _LP64 | |
181 slowcase_entry_pclist[count-1] = __ pc(); | |
182 slowcase_entry_pclist[count++] = __ pc() ; | |
183 #else | |
184 slowcase_entry_pclist[count++] = __ pc(); | |
185 #endif | |
186 | |
187 __ bind (label1); | |
188 __ mov (O7, G1); | |
189 | |
190 address slow_case_addr = jni_GetLongField_addr(); | |
191 __ bind (label2); | |
192 __ call (slow_case_addr, relocInfo::none); | |
193 __ delayed()->mov (G1, O7); | |
194 | |
195 __ flush (); | |
196 | |
197 return fast_entry; | |
198 } | |
199 | |
200 address JNI_FastGetField::generate_fast_get_float_field0(BasicType type) { | |
201 const char *name; | |
202 switch (type) { | |
203 case T_FLOAT: name = "jni_fast_GetFloatField"; break; | |
204 case T_DOUBLE: name = "jni_fast_GetDoubleField"; break; | |
205 default: ShouldNotReachHere(); | |
206 } | |
207 ResourceMark rm; | |
1748 | 208 BufferBlob* blob = BufferBlob::create(name, BUFFER_SIZE*wordSize); |
209 CodeBuffer cbuf(blob); | |
0 | 210 MacroAssembler* masm = new MacroAssembler(&cbuf); |
1748 | 211 address fast_entry = __ pc(); |
0 | 212 |
213 Label label1, label2; | |
214 | |
727 | 215 AddressLiteral cnt_addrlit(SafepointSynchronize::safepoint_counter_addr()); |
216 __ sethi (cnt_addrlit, O3); | |
217 Address cnt_addr(O3, cnt_addrlit.low10()); | |
218 __ ld (cnt_addr, G4); | |
0 | 219 __ andcc (G4, 1, G0); |
220 __ br (Assembler::notZero, false, Assembler::pn, label1); | |
221 __ delayed()->srl (O2, 2, O4); | |
222 __ ld_ptr (O1, 0, O5); | |
223 | |
224 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | |
225 speculative_load_pclist[count] = __ pc(); | |
226 switch (type) { | |
227 case T_FLOAT: __ ldf (FloatRegisterImpl::S, O5, O4, F0); break; | |
228 case T_DOUBLE: __ ldf (FloatRegisterImpl::D, O5, O4, F0); break; | |
229 default: ShouldNotReachHere(); | |
230 } | |
231 | |
727 | 232 __ ld (cnt_addr, O5); |
0 | 233 __ cmp (O5, G4); |
234 __ br (Assembler::notEqual, false, Assembler::pn, label2); | |
235 __ delayed()->mov (O7, G1); | |
236 | |
237 __ retl (); | |
238 __ delayed()-> nop (); | |
239 | |
240 slowcase_entry_pclist[count++] = __ pc(); | |
241 __ bind (label1); | |
242 __ mov (O7, G1); | |
243 | |
244 address slow_case_addr; | |
245 switch (type) { | |
246 case T_FLOAT: slow_case_addr = jni_GetFloatField_addr(); break; | |
247 case T_DOUBLE: slow_case_addr = jni_GetDoubleField_addr(); break; | |
248 default: ShouldNotReachHere(); | |
249 } | |
250 __ bind (label2); | |
251 __ call (slow_case_addr, relocInfo::none); | |
252 __ delayed()->mov (G1, O7); | |
253 | |
254 __ flush (); | |
255 | |
256 return fast_entry; | |
257 } | |
258 | |
259 address JNI_FastGetField::generate_fast_get_float_field() { | |
260 return generate_fast_get_float_field0(T_FLOAT); | |
261 } | |
262 | |
263 address JNI_FastGetField::generate_fast_get_double_field() { | |
264 return generate_fast_get_float_field0(T_DOUBLE); | |
265 } |