src/mips/lithium-mips.cc - Issue 323423003: ARM: Avoid duplicate vmla when merging vmul and vadd

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Unified Diff: src/mips/lithium-mips.cc

Issue 323423003: ARM: Avoid duplicate vmla when merging vmul and vadd (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 6 months ago

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Index: src/mips/lithium-mips.cc

diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc

index 830fc9152df8eb07031306fd4d354990012d5acb..180c07fdeec0805b7ee08f45d58cdbac6578f34f 100644

--- a/src/mips/lithium-mips.cc

+++ b/src/mips/lithium-mips.cc

@@ -1492,7 +1492,7 @@ LInstruction* LChunkBuilder::DoMul(HMul* instr) {

} else if (instr->representation().IsDouble()) {

if (kArchVariant == kMips32r2) {

- if (instr->UseCount() == 1 && instr->uses().value()->IsAdd()) {

+ if (instr->HasOneUse() && instr->uses().value()->IsAdd()) {

HAdd* add = HAdd::cast(instr->uses().value());

if (instr == add->left()) {

// This mul is the lhs of an add. The add and mul will be folded

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