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Side by Side Diff: src/compiler/x64/code-generator-x64.cc

Issue 2060233002: [turbofan] Prevent storing signalling NaNs into holey double arrays. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Test Created 4 years, 6 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/ast/scopes.h" 7 #include "src/ast/scopes.h"
8 #include "src/compiler/code-generator-impl.h" 8 #include "src/compiler/code-generator-impl.h"
9 #include "src/compiler/gap-resolver.h" 9 #include "src/compiler/gap-resolver.h"
10 #include "src/compiler/node-matchers.h" 10 #include "src/compiler/node-matchers.h"
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1538 __ vpsllq(kScratchDoubleReg, kScratchDoubleReg, 63); 1538 __ vpsllq(kScratchDoubleReg, kScratchDoubleReg, 63);
1539 if (instr->InputAt(0)->IsFPRegister()) { 1539 if (instr->InputAt(0)->IsFPRegister()) {
1540 __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, 1540 __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg,
1541 i.InputDoubleRegister(0)); 1541 i.InputDoubleRegister(0));
1542 } else { 1542 } else {
1543 __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg, 1543 __ vxorpd(i.OutputDoubleRegister(), kScratchDoubleReg,
1544 i.InputOperand(0)); 1544 i.InputOperand(0));
1545 } 1545 }
1546 break; 1546 break;
1547 } 1547 }
1548 case kSSEFloat64SilenceNaN:
1549 __ Xorpd(kScratchDoubleReg, kScratchDoubleReg);
1550 __ Subsd(i.InputDoubleRegister(0), kScratchDoubleReg);
1551 break;
1548 case kX64Movsxbl: 1552 case kX64Movsxbl:
1549 ASSEMBLE_MOVX(movsxbl); 1553 ASSEMBLE_MOVX(movsxbl);
1550 __ AssertZeroExtended(i.OutputRegister()); 1554 __ AssertZeroExtended(i.OutputRegister());
1551 break; 1555 break;
1552 case kX64Movzxbl: 1556 case kX64Movzxbl:
1553 ASSEMBLE_MOVX(movzxbl); 1557 ASSEMBLE_MOVX(movzxbl);
1554 __ AssertZeroExtended(i.OutputRegister()); 1558 __ AssertZeroExtended(i.OutputRegister());
1555 break; 1559 break;
1556 case kX64Movb: { 1560 case kX64Movb: {
1557 size_t index = 0; 1561 size_t index = 0;
(...skipping 769 matching lines...) Expand 10 before | Expand all | Expand 10 after
2327 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2331 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2328 __ Nop(padding_size); 2332 __ Nop(padding_size);
2329 } 2333 }
2330 } 2334 }
2331 2335
2332 #undef __ 2336 #undef __
2333 2337
2334 } // namespace compiler 2338 } // namespace compiler
2335 } // namespace internal 2339 } // namespace internal
2336 } // namespace v8 2340 } // namespace v8
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