src/compiler/x64/code-generator-x64.cc - Issue 1435203003: [x64] Fixed a rounding error on x64 for the Uint64ToF64 conversion.

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

Issue 1435203003: [x64] Fixed a rounding error on x64 for the Uint64ToF64 conversion. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Fixed the test to make it platform independent. Created 5 years, 1 month 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 803e4412ed5ca9189303c8aa8ef3be42b18c58c9..9f04dc2df8238596d388e2072fa8ffaf6fc888c1 100644

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

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

@@ -1038,7 +1038,8 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

} else {

__ movq(kScratchRegister, i.InputOperand(0));

}

- __ Cvtqui2sd(i.OutputDoubleRegister(), kScratchRegister);

+ __ Cvtqui2sd(i.OutputDoubleRegister(), kScratchRegister,

+ i.TempRegister(0));

break;

case kSSEUint32ToFloat64:

if (instr->InputAt(0)->IsRegister()) {

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