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Bug 737737 - handle not-int32-nor-double input types for binary arithmetic instructions (r=jandem).

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This commit is contained in:
Kannan Vijayan 2012-05-16 16:48:13 -04:00
parent 3ce68df9cb
commit c84488d0e8
1 changed files with 6 additions and 1 deletions
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7
js/src/ion/MIR.cpp
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@ -911,6 +911,12 @@ MBinaryArithInstruction::infer(JSContext *cx, const TypeOracle::BinaryTypes &b)
MIRType rval = MIRTypeFromValueType(b.outTypes->getKnownTypeTag(cx));
// Don't specialize for neither-integer-nor-double results.
if (rval != MIRType_Int32 && rval != MIRType_Double) {
specialization_ = MIRType_None;
return;
}
// Anything complex - strings and objects - are not specialized.
if (!lhsCoerces || !rhsCoerces) {
specialization_ = MIRType_None;
@ -941,7 +947,6 @@ MBinaryArithInstruction::infer(JSContext *cx, const TypeOracle::BinaryTypes &b)
return;
}
JS_ASSERT(rval == MIRType_Int32 || rval == MIRType_Double);
specialization_ = rval;
setCommutative();