src/a64/lithium-codegen-a64.cc - Issue 190603003: A64 tweaks for division-like operations.

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Unified Diff: src/a64/lithium-codegen-a64.cc

Issue 190603003: A64 tweaks for division-like operations. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 9 months ago

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Index: src/a64/lithium-codegen-a64.cc

diff --git a/src/a64/lithium-codegen-a64.cc b/src/a64/lithium-codegen-a64.cc

index e42ff1089b139e2db96e15f232de2cf1a25714da..ad8d742abac2cc894d292e026d7005b67933e834 100644

--- a/src/a64/lithium-codegen-a64.cc

+++ b/src/a64/lithium-codegen-a64.cc

@@ -2630,8 +2630,7 @@ void LCodeGen::DoDivByConstI(LDivByConstI* instr) {

HDiv* hdiv = instr->hydrogen();

if (hdiv->CheckFlag(HValue::kBailoutOnMinusZero) &&

hdiv->left()->RangeCanInclude(0) && divisor < 0) {

- __ Cmp(dividend, 0);

- DeoptimizeIf(eq, instr->environment());

+ DeoptimizeIfZero(dividend, instr->environment());

}

__ FlooringDiv(result, dividend, Abs(divisor));

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