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Side by Side Diff: src/compiler/ia32/code-generator-ia32.cc

Issue 2416543002: [wasm] Fix bounds check for zero initial memory. (Closed)
Patch Set: 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"
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after
61 Operand HighOperand(InstructionOperand* op) { 61 Operand HighOperand(InstructionOperand* op) {
62 DCHECK(op->IsFPStackSlot()); 62 DCHECK(op->IsFPStackSlot());
63 return ToOperand(op, kPointerSize); 63 return ToOperand(op, kPointerSize);
64 } 64 }
65 65
66 Immediate ToImmediate(InstructionOperand* operand) { 66 Immediate ToImmediate(InstructionOperand* operand) {
67 Constant constant = ToConstant(operand); 67 Constant constant = ToConstant(operand);
68 if (constant.type() == Constant::kInt32 && 68 if (constant.type() == Constant::kInt32 &&
69 (constant.rmode() == RelocInfo::WASM_MEMORY_REFERENCE || 69 (constant.rmode() == RelocInfo::WASM_MEMORY_REFERENCE ||
70 constant.rmode() == RelocInfo::WASM_GLOBAL_REFERENCE || 70 constant.rmode() == RelocInfo::WASM_GLOBAL_REFERENCE ||
71 constant.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE)) { 71 RelocInfo::IsWasmMemorySizeReference(constant.rmode()))) {
72 return Immediate(reinterpret_cast<Address>(constant.ToInt32()), 72 return Immediate(reinterpret_cast<Address>(constant.ToInt32()),
73 constant.rmode()); 73 constant.rmode());
74 } 74 }
75 switch (constant.type()) { 75 switch (constant.type()) {
76 case Constant::kInt32: 76 case Constant::kInt32:
77 return Immediate(constant.ToInt32()); 77 return Immediate(constant.ToInt32());
78 case Constant::kFloat32: 78 case Constant::kFloat32:
79 return Immediate( 79 return Immediate(
80 isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); 80 isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED));
81 case Constant::kFloat64: 81 case Constant::kFloat64:
(...skipping 2173 matching lines...) Expand 10 before | Expand all | Expand 10 after
2255 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2255 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2256 __ Nop(padding_size); 2256 __ Nop(padding_size);
2257 } 2257 }
2258 } 2258 }
2259 2259
2260 #undef __ 2260 #undef __
2261 2261
2262 } // namespace compiler 2262 } // namespace compiler
2263 } // namespace internal 2263 } // namespace internal
2264 } // namespace v8 2264 } // namespace v8
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