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Issue 1759383003: [compiler] Add relocatable pointer constants for wasm memory references. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix uninitialized variable causing msan failure Created 4 years, 8 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/arm64/frames-arm64.h" 7 #include "src/arm64/frames-arm64.h"
8 #include "src/arm64/macro-assembler-arm64.h" 8 #include "src/arm64/macro-assembler-arm64.h"
9 #include "src/ast/scopes.h" 9 #include "src/ast/scopes.h"
10 #include "src/compiler/code-generator-impl.h" 10 #include "src/compiler/code-generator-impl.h"
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178 } 178 }
179 return ToImmediate(op); 179 return ToImmediate(op);
180 } 180 }
181 181
182 Operand ToImmediate(InstructionOperand* operand) { 182 Operand ToImmediate(InstructionOperand* operand) {
183 Constant constant = ToConstant(operand); 183 Constant constant = ToConstant(operand);
184 switch (constant.type()) { 184 switch (constant.type()) {
185 case Constant::kInt32: 185 case Constant::kInt32:
186 return Operand(constant.ToInt32()); 186 return Operand(constant.ToInt32());
187 case Constant::kInt64: 187 case Constant::kInt64:
188 return Operand(constant.ToInt64()); 188 if (constant.rmode() == RelocInfo::WASM_MEMORY_REFERENCE) {
189 return Operand(constant.ToInt64(), constant.rmode());
190 } else {
191 return Operand(constant.ToInt64());
192 }
189 case Constant::kFloat32: 193 case Constant::kFloat32:
190 return Operand( 194 return Operand(
191 isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED)); 195 isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED));
192 case Constant::kFloat64: 196 case Constant::kFloat64:
193 return Operand( 197 return Operand(
194 isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED)); 198 isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED));
195 case Constant::kExternalReference: 199 case Constant::kExternalReference:
196 return Operand(constant.ToExternalReference()); 200 return Operand(constant.ToExternalReference());
197 case Constant::kHeapObject: 201 case Constant::kHeapObject:
198 return Operand(constant.ToHeapObject()); 202 return Operand(constant.ToHeapObject());
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1802 padding_size -= kInstructionSize; 1806 padding_size -= kInstructionSize;
1803 } 1807 }
1804 } 1808 }
1805 } 1809 }
1806 1810
1807 #undef __ 1811 #undef __
1808 1812
1809 } // namespace compiler 1813 } // namespace compiler
1810 } // namespace internal 1814 } // namespace internal
1811 } // namespace v8 1815 } // namespace v8
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