src/ia32/lithium-codegen-ia32.cc - Issue 990963003: [turbofan] Unify Math.floor / Math.ceil optimization.

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Unified Diff: src/ia32/lithium-codegen-ia32.cc

Issue 990963003: [turbofan] Unify Math.floor / Math.ceil optimization. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 5 years, 9 months ago

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Index: src/ia32/lithium-codegen-ia32.cc

diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc

index 8705af7191b2983a4882e4d7ce4aba0b2dbfe1af..979c5029bec18c07b3026f92ba5db35ced34e0bf 100644

--- a/src/ia32/lithium-codegen-ia32.cc

+++ b/src/ia32/lithium-codegen-ia32.cc

@@ -3698,7 +3698,7 @@ void LCodeGen::DoMathFloor(LMathFloor* instr) {

DeoptimizeIf(not_zero, instr, Deoptimizer::kMinusZero);

__ bind(&non_zero);

}

- __ roundsd(xmm_scratch, input_reg, Assembler::kRoundDown);

+ __ roundsd(xmm_scratch, input_reg, kRoundDown);

__ cvttsd2si(output_reg, Operand(xmm_scratch));

// Overflow is signalled with minint.

__ cmp(output_reg, 0x1);

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