Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/jniFastGetField_x86_32.cpp
src/cpu/x86/vm/jniFastGetField_x86_32.cpp
- changeset 9669
- 32bc598624bd
- parent 8316
- 626f594dffa6
- child 9703
- 2fdf635bcf28
equal
deleted
inserted
replaced
| 9668:acb9351e3a29 | 9669:32bc598624bd |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2004, 2017, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 77 __ jcc (Assembler::notZero, slow); | 77 __ jcc (Assembler::notZero, slow); |
| 78 if (os::is_MP()) { | 78 if (os::is_MP()) { |
| 79 __ mov(rax, rcx); | 79 __ mov(rax, rcx); |
| 80 __ andptr(rax, 1); // rax, must end up 0 | 80 __ andptr(rax, 1); // rax, must end up 0 |
| 81 __ movptr(rdx, Address(rsp, rax, Address::times_1, 2*wordSize)); | 81 __ movptr(rdx, Address(rsp, rax, Address::times_1, 2*wordSize)); |
| 82 // obj, notice rax, is 0. | 82 // obj, notice rax, is 0. |
| 83 // rdx is data dependent on rcx. | 83 // rdx is data dependent on rcx. |
| 84 } else { | 84 } else { |
| 85 __ movptr (rdx, Address(rsp, 2*wordSize)); // obj | 85 __ movptr (rdx, Address(rsp, 2*wordSize)); // obj |
| 86 } | 86 } |
| 87 __ movptr(rax, Address(rsp, 3*wordSize)); // jfieldID | 87 __ movptr(rax, Address(rsp, 3*wordSize)); // jfieldID |
| 88 | |
| 89 __ clear_jweak_tag(rdx); | |
| 90 | |
| 88 __ movptr(rdx, Address(rdx, 0)); // *obj | 91 __ movptr(rdx, Address(rdx, 0)); // *obj |
| 89 __ shrptr (rax, 2); // offset | 92 __ shrptr (rax, 2); // offset |
| 90 | 93 |
| 91 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | 94 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
| 92 speculative_load_pclist[count] = __ pc(); | 95 speculative_load_pclist[count] = __ pc(); |
| 93 switch (type) { | 96 switch (type) { |
| 94 case T_BOOLEAN: __ movzbl (rax, Address(rdx, rax, Address::times_1)); break; | 97 case T_BOOLEAN: __ movzbl (rax, Address(rdx, rax, Address::times_1)); break; |
| 192 __ mov32 (rcx, counter); | 195 __ mov32 (rcx, counter); |
| 193 __ testb (rcx, 1); | 196 __ testb (rcx, 1); |
| 194 __ jcc (Assembler::notZero, slow); | 197 __ jcc (Assembler::notZero, slow); |
| 195 if (os::is_MP()) { | 198 if (os::is_MP()) { |
| 196 __ mov(rax, rcx); | 199 __ mov(rax, rcx); |
| 197 __ andptr(rax, 1); // rax, must end up 0 | 200 __ andptr(rax, 1); // rax, must end up 0 |
| 198 __ movptr(rdx, Address(rsp, rax, Address::times_1, 3*wordSize)); | 201 __ movptr(rdx, Address(rsp, rax, Address::times_1, 3*wordSize)); |
| 199 // obj, notice rax, is 0. | 202 // obj, notice rax, is 0. |
| 200 // rdx is data dependent on rcx. | 203 // rdx is data dependent on rcx. |
| 201 } else { | 204 } else { |
| 202 __ movptr(rdx, Address(rsp, 3*wordSize)); // obj | 205 __ movptr(rdx, Address(rsp, 3*wordSize)); // obj |
| 203 } | 206 } |
| 204 __ movptr(rsi, Address(rsp, 4*wordSize)); // jfieldID | 207 __ movptr(rsi, Address(rsp, 4*wordSize)); // jfieldID |
| 208 | |
| 209 __ clear_jweak_tag(rdx); | |
| 210 | |
| 205 __ movptr(rdx, Address(rdx, 0)); // *obj | 211 __ movptr(rdx, Address(rdx, 0)); // *obj |
| 206 __ shrptr(rsi, 2); // offset | 212 __ shrptr(rsi, 2); // offset |
| 207 | 213 |
| 208 assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small"); | 214 assert(count < LIST_CAPACITY-1, "LIST_CAPACITY too small"); |
| 209 speculative_load_pclist[count++] = __ pc(); | 215 speculative_load_pclist[count++] = __ pc(); |
| 281 __ mov32 (rcx, counter); | 287 __ mov32 (rcx, counter); |
| 282 __ testb (rcx, 1); | 288 __ testb (rcx, 1); |
| 283 __ jcc (Assembler::notZero, slow); | 289 __ jcc (Assembler::notZero, slow); |
| 284 if (os::is_MP()) { | 290 if (os::is_MP()) { |
| 285 __ mov(rax, rcx); | 291 __ mov(rax, rcx); |
| 286 __ andptr(rax, 1); // rax, must end up 0 | 292 __ andptr(rax, 1); // rax, must end up 0 |
| 287 __ movptr(rdx, Address(rsp, rax, Address::times_1, 2*wordSize)); | 293 __ movptr(rdx, Address(rsp, rax, Address::times_1, 2*wordSize)); |
| 288 // obj, notice rax, is 0. | 294 // obj, notice rax, is 0. |
| 289 // rdx is data dependent on rcx. | 295 // rdx is data dependent on rcx. |
| 290 } else { | 296 } else { |
| 291 __ movptr(rdx, Address(rsp, 2*wordSize)); // obj | 297 __ movptr(rdx, Address(rsp, 2*wordSize)); // obj |
| 292 } | 298 } |
| 293 __ movptr(rax, Address(rsp, 3*wordSize)); // jfieldID | 299 __ movptr(rax, Address(rsp, 3*wordSize)); // jfieldID |
| 300 | |
| 301 __ clear_jweak_tag(rdx); | |
| 302 | |
| 294 __ movptr(rdx, Address(rdx, 0)); // *obj | 303 __ movptr(rdx, Address(rdx, 0)); // *obj |
| 295 __ shrptr(rax, 2); // offset | 304 __ shrptr(rax, 2); // offset |
| 296 | 305 |
| 297 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | 306 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
| 298 speculative_load_pclist[count] = __ pc(); | 307 speculative_load_pclist[count] = __ pc(); |
