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Bug 919958 - Ionmonkey: correct instruction numbering in alias analysis and re-enable heap load movement

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This commit is contained in:
Douglas Crosher 2013-10-24 16:06:27 +11:00
parent 90d10a9c6f
commit 7e3a114720
3 changed files with 5 additions and 2 deletions
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3
js/src/jit/AliasAnalysis.cpp
View File

@ -198,6 +198,9 @@ AliasAnalysis::analyze()
}
}
// Renumber the last instruction, as the analysis depends on this and the order.
block->lastIns()->setId(newId++);
if (block->isLoopBackedge()) {
JS_ASSERT(loop_->loopHeader() == block->loopHeaderOfBackedge());
IonSpew(IonSpew_Alias, "Processing loop backedge %d (header %d)", block->id(),

1
js/src/jit/EdgeCaseAnalysis.cpp
View File

@ -30,6 +30,7 @@ EdgeCaseAnalysis::analyzeLate()
iter->setId(nextId++);
iter->analyzeEdgeCasesForward();
}
block->lastIns()->setId(nextId++);
}
for (PostorderIterator block(graph.poBegin()); block != graph.poEnd(); block++) {

3
js/src/jit/MIR.h
View File

@ -8747,8 +8747,7 @@ class MAsmJSLoadHeap : public MUnaryInstruction, public MAsmJSHeapAccess
MAsmJSLoadHeap(ArrayBufferView::ViewType vt, MDefinition *ptr)
: MUnaryInstruction(ptr), MAsmJSHeapAccess(vt, false)
{
// Disabled due to errors, see bug 919958
// setMovable();
setMovable();
if (vt == ArrayBufferView::TYPE_FLOAT32 || vt == ArrayBufferView::TYPE_FLOAT64)
setResultType(MIRType_Double);
else