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authorJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-12 12:40:05 +0800
committerJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-14 16:31:55 +0800
commit2a6e16fba0807c2bbf852c34966e0291997030d3 (patch)
tree0d5801d6ad612d4ab66d99ca008f29a08b98c378 /js
parenta78f517c40f3c81bba5c2a718ee41af844ac7015 (diff)
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Bug 1323646 - IonMonkey: MIPS64: Fix range checking in ma_addTestOverflow
Tag: #1542
Diffstat (limited to 'js')
-rw-r--r--js/src/jit/mips64/MacroAssembler-mips64.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/js/src/jit/mips64/MacroAssembler-mips64.cpp b/js/src/jit/mips64/MacroAssembler-mips64.cpp
index 7021d0f74..efdaac8d4 100644
--- a/js/src/jit/mips64/MacroAssembler-mips64.cpp
+++ b/js/src/jit/mips64/MacroAssembler-mips64.cpp
@@ -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);