src/compiler/arm64/code-generator-arm64.cc - Issue 1507703002: [turbofan] Change TruncateFloat64ToUint64 to TryTruncateFloatToUint64.

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Unified Diff: src/compiler/arm64/code-generator-arm64.cc

Issue 1507703002: [turbofan] Change TruncateFloat64ToUint64 to TryTruncateFloatToUint64. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Better arm64 code. Created 5 years ago

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Index: src/compiler/arm64/code-generator-arm64.cc

diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc

index 43907951896b6d640c1d041a16320d026dc01890..b73d1373f6a5fceaa29c60b6be1ffbf50b764db7 100644

--- a/src/compiler/arm64/code-generator-arm64.cc

+++ b/src/compiler/arm64/code-generator-arm64.cc

@@ -1052,6 +1052,12 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {

break;

case kArm64Float64ToUint64:

__ Fcvtzu(i.OutputRegister64(), i.InputDoubleRegister(0));

+ if (i.OutputCount() > 1) {

+ Label done;

martyn.capewell 2015/12/07 18:44:17 Don't need this Label any more.

+ __ Fcmp(i.InputDoubleRegister(0), 0.0);

+ __ Ccmp(i.OutputRegister(0), -1, ZFlag, ge);

+ __ Cset(i.OutputRegister(1), ne);

+ }

break;

case kArm64Int32ToFloat64:

__ Scvtf(i.OutputDoubleRegister(), i.InputRegister32(0));

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