Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/jniFastGetField_x86_64.cpp
src/cpu/x86/vm/jniFastGetField_x86_64.cpp
- changeset 9669
- 32bc598624bd
- parent 8316
- 626f594dffa6
- child 9703
- 2fdf635bcf28
equal
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| 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. |
| 74 __ mov (robj, c_rarg1); | 74 __ mov (robj, c_rarg1); |
| 75 __ testb (rcounter, 1); | 75 __ testb (rcounter, 1); |
| 76 __ jcc (Assembler::notZero, slow); | 76 __ jcc (Assembler::notZero, slow); |
| 77 if (os::is_MP()) { | 77 if (os::is_MP()) { |
| 78 __ xorptr(robj, rcounter); | 78 __ xorptr(robj, rcounter); |
| 79 __ xorptr(robj, rcounter); // obj, since | 79 __ xorptr(robj, rcounter); // obj, since |
| 80 // robj ^ rcounter ^ rcounter == robj | 80 // robj ^ rcounter ^ rcounter == robj |
| 81 // robj is data dependent on rcounter. | 81 // robj is data dependent on rcounter. |
| 82 } | 82 } |
| 83 __ movptr(robj, Address(robj, 0)); // *obj | 83 |
| 84 __ clear_jweak_tag(robj); | |
| 85 | |
| 86 __ movptr(robj, Address(robj, 0)); // *obj | |
| 84 __ mov (roffset, c_rarg2); | 87 __ mov (roffset, c_rarg2); |
| 85 __ shrptr(roffset, 2); // offset | 88 __ shrptr(roffset, 2); // offset |
| 86 | 89 |
| 87 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | 90 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
| 88 speculative_load_pclist[count] = __ pc(); | 91 speculative_load_pclist[count] = __ pc(); |
| 89 switch (type) { | 92 switch (type) { |
| 90 case T_BOOLEAN: __ movzbl (rax, Address(robj, roffset, Address::times_1)); break; | 93 case T_BOOLEAN: __ movzbl (rax, Address(robj, roffset, Address::times_1)); break; |
| 172 __ mov (robj, c_rarg1); | 175 __ mov (robj, c_rarg1); |
| 173 __ testb (rcounter, 1); | 176 __ testb (rcounter, 1); |
| 174 __ jcc (Assembler::notZero, slow); | 177 __ jcc (Assembler::notZero, slow); |
| 175 if (os::is_MP()) { | 178 if (os::is_MP()) { |
| 176 __ xorptr(robj, rcounter); | 179 __ xorptr(robj, rcounter); |
| 177 __ xorptr(robj, rcounter); // obj, since | 180 __ xorptr(robj, rcounter); // obj, since |
| 178 // robj ^ rcounter ^ rcounter == robj | 181 // robj ^ rcounter ^ rcounter == robj |
| 179 // robj is data dependent on rcounter. | 182 // robj is data dependent on rcounter. |
| 180 } | 183 } |
| 181 __ movptr(robj, Address(robj, 0)); // *obj | 184 |
| 185 __ clear_jweak_tag(robj); | |
| 186 | |
| 187 __ movptr(robj, Address(robj, 0)); // *obj | |
| 182 __ mov (roffset, c_rarg2); | 188 __ mov (roffset, c_rarg2); |
| 183 __ shrptr(roffset, 2); // offset | 189 __ shrptr(roffset, 2); // offset |
| 184 | 190 |
| 185 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); | 191 assert(count < LIST_CAPACITY, "LIST_CAPACITY too small"); |
| 186 speculative_load_pclist[count] = __ pc(); | 192 speculative_load_pclist[count] = __ pc(); |
| 187 switch (type) { | 193 switch (type) { |
| 188 case T_FLOAT: __ movflt (xmm0, Address(robj, roffset, Address::times_1)); break; | 194 case T_FLOAT: __ movflt (xmm0, Address(robj, roffset, Address::times_1)); break; |
