src/compiler/x64/code-generator-x64.cc - Issue 641153003: [turbofan]IA: ChangeFloat32ToFloat64 supports mem operand

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Unified Diff: src/compiler/x64/code-generator-x64.cc

Issue 641153003: [turbofan]IA: ChangeFloat32ToFloat64 supports mem operand (Closed) Base URL: https://github.com/v8/v8.git@bleeding_edge

Patch Set: Created 6 years, 2 months ago

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Index: src/compiler/x64/code-generator-x64.cc

diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc

index de8956e01d248a1ce47b76b297fae2aee4e5080f..45b0cdc0df6aaa64fb790382df680de8f7d4f56c 100644

--- a/src/compiler/x64/code-generator-x64.cc

+++ b/src/compiler/x64/code-generator-x64.cc

@@ -405,7 +405,11 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

}

break;

case kSSECvtss2sd:

- __ cvtss2sd(i.OutputDoubleRegister(), i.InputDoubleRegister(0));

+ if (instr->InputAt(0)->IsDoubleRegister()) {

+ __ cvtss2sd(i.OutputDoubleRegister(), i.InputDoubleRegister(0));

+ } else {

+ __ cvtss2sd(i.OutputDoubleRegister(), i.InputOperand(0));

+ }

break;

case kSSECvtsd2ss:

__ cvtsd2ss(i.OutputDoubleRegister(), i.InputDoubleRegister(0));