From f50410bd7916c62200f5af3d1e6ad62abea8ea83 Mon Sep 17 00:00:00 2001
From: Jiaxun Yang <jiaxun.yang@flygoat.com>
Date: Tue, 12 May 2020 12:40:05 +0800
Subject: Bug 1323646 - IonMonkey: MIPS64: Fix range checking in
 ma_addTestOverflow

Tag: #1542
---
 js/src/jit/mips64/MacroAssembler-mips64.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'js')

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);
-- 
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