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Side by Side Diff: src/compiler/x87/code-generator-x87.cc

Issue 2416543002: [wasm] Fix bounds check for zero initial memory. (Closed)
Patch Set: Add aTODO Created 4 years, 2 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/compilation-info.h" 7 #include "src/compilation-info.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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53 } 53 }
54 54
55 Operand HighOperand(InstructionOperand* op) { 55 Operand HighOperand(InstructionOperand* op) {
56 DCHECK(op->IsFPStackSlot()); 56 DCHECK(op->IsFPStackSlot());
57 return ToOperand(op, kPointerSize); 57 return ToOperand(op, kPointerSize);
58 } 58 }
59 59
60 Immediate ToImmediate(InstructionOperand* operand) { 60 Immediate ToImmediate(InstructionOperand* operand) {
61 Constant constant = ToConstant(operand); 61 Constant constant = ToConstant(operand);
62 if (constant.type() == Constant::kInt32 && 62 if (constant.type() == Constant::kInt32 &&
63 (constant.rmode() == RelocInfo::WASM_MEMORY_REFERENCE || 63 RelocInfo::IsWasmReference(constant.rmode())) {
64 constant.rmode() == RelocInfo::WASM_GLOBAL_REFERENCE ||
65 constant.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE)) {
66 return Immediate(reinterpret_cast<Address>(constant.ToInt32()), 64 return Immediate(reinterpret_cast<Address>(constant.ToInt32()),
67 constant.rmode()); 65 constant.rmode());
68 } 66 }
69 switch (constant.type()) { 67 switch (constant.type()) {
70 case Constant::kInt32: 68 case Constant::kInt32:
71 return Immediate(constant.ToInt32()); 69 return Immediate(constant.ToInt32());
72 case Constant::kFloat32: 70 case Constant::kFloat32:
73 return Immediate( 71 return Immediate(
74 isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); 72 isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED));
75 case Constant::kFloat64: 73 case Constant::kFloat64:
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2714 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2712 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2715 __ Nop(padding_size); 2713 __ Nop(padding_size);
2716 } 2714 }
2717 } 2715 }
2718 2716
2719 #undef __ 2717 #undef __
2720 2718
2721 } // namespace compiler 2719 } // namespace compiler
2722 } // namespace internal 2720 } // namespace internal
2723 } // namespace v8 2721 } // namespace v8
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