src/compiler/x64/code-generator-x64.cc - Issue 1504363002: [turbofan] Change TruncateFloat32ToInt64 to TryTruncateFloat32ToInt64.

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

Issue 1504363002: [turbofan] Change TruncateFloat32ToInt64 to TryTruncateFloat32ToInt64. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 5 years 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 b296ab6fe407b53efc5e0845b695c5fb3f6b2715..c466c4c3ad137635e4e81cb765260d58a5766d5c 100644

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

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

@@ -1049,6 +1049,10 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

} else {

__ Cvttss2siq(i.OutputRegister(), i.InputOperand(0));

}

+ if (instr->OutputCount() > 1) {

+ __ Set(i.OutputRegister(1), 0x8000000000000000);

+ __ subq(i.OutputRegister(1), i.OutputRegister(0));

+ }

break;

case kSSEFloat64ToInt64:

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

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