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Issue #2308 & #1240 Follow-up - Add BigInt support to JSOP_INC and JSOP_DEC. https://bugzilla.mozilla.org/show_bug.cgi?id=1526309

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This commit is contained in:
Brian Smith 2023-09-17 04:23:57 -05:00 • committed by roytam1
commit e12e377e51
8 changed files with 283 additions and 127 deletions
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17
js/src/jit/MIR.cpp
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@ -3110,23 +3110,6 @@ MBinaryArithInstruction::New(TempAllocator& alloc, Opcode op,
}
}
void
MBinaryArithInstruction::setNumberSpecialization(TempAllocator& alloc, BaselineInspector* inspector,
jsbytecode* pc)
{
setSpecialization(MIRType::Double);
// Try to specialize as int32.
if (getOperand(0)->type() == MIRType::Int32 && getOperand(1)->type() == MIRType::Int32) {
bool seenDouble = inspector->hasSeenDoubleResult(pc);
// Use int32 specialization if the operation doesn't overflow on its
// constant operands and if the operation has never overflowed.
if (!seenDouble && !constantDoubleResult(alloc))
setInt32Specialization();
}
}
bool
MBinaryArithInstruction::constantDoubleResult(TempAllocator& alloc)
{