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Bug 1147810 - a barriered load has an effect. r=luke

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This commit is contained in:
Lars T Hansen 2015-03-27 10:11:42 +01:00
parent f404970a0d
commit b7bbc0176d
1 changed files with 4 additions and 0 deletions
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4
js/src/jit/MIR.h
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@ -12635,6 +12635,10 @@ class MAsmJSLoadHeap
bool congruentTo(const MDefinition *ins) const override;
AliasSet getAliasSet() const override {
// When a barrier is needed make the instruction effectful by
// giving it a "store" effect.
if (barrierBefore_|barrierAfter_)
return AliasSet::Store(AliasSet::AsmJSHeap);
return AliasSet::Load(AliasSet::AsmJSHeap);
}
bool mightAlias(const MDefinition *def) const override;