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Bug 1323646 - IonMonkey: MIPS64: Fix range checking in ma_addTestOverflow

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Tag: #1542
This commit is contained in:
Jiaxun Yang 2020-05-12 12:40:05 +08:00 • committed by Roy Tam
commit 06f5e5b9b5
1 changed files with 1 additions and 1 deletions
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2
js/src/jit/mips64/MacroAssembler-mips64.cpp
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@ -497,7 +497,7 @@ void
MacroAssemblerMIPS64::ma_addTestOverflow(Register rd, Register rs, Imm32 imm, L overflow)
{
// Check for signed range because of as_daddiu
if (Imm16::IsInSignedRange(imm.value) && Imm16::IsInUnsignedRange(imm.value)) {
if (Imm16::IsInSignedRange(imm.value)) {
as_daddiu(SecondScratchReg, rs, imm.value);
as_addiu(rd, rs, imm.value);
ma_b(rd, SecondScratchReg, overflow, Assembler::NotEqual);