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-rw-r--r--js/src/jit/mips64/MacroAssembler-mips64.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/js/src/jit/mips64/MacroAssembler-mips64.h b/js/src/jit/mips64/MacroAssembler-mips64.h
index 027ef4063..4991c264f 100644
--- a/js/src/jit/mips64/MacroAssembler-mips64.h
+++ b/js/src/jit/mips64/MacroAssembler-mips64.h
@@ -470,7 +470,12 @@ class MacroAssemblerMIPS64Compat : public MacroAssemblerMIPS64
JSValueTag tag = (JSValueTag)JSVAL_TYPE_TO_TAG(type);
ma_li(dest, Imm32(tag));
ma_dsll(dest, dest, Imm32(JSVAL_TAG_SHIFT));
- ma_dins(dest, src, Imm32(0), Imm32(JSVAL_TAG_SHIFT));
+
+ if (type == JSVAL_TYPE_INT32 || type == JSVAL_TYPE_BOOLEAN) {
+ ma_dins(dest, src, Imm32(0), Imm32(32));
+ } else {
+ ma_dins(dest, src, Imm32(0), Imm32(JSVAL_TAG_SHIFT));
+ }
}
void storeValue(ValueOperand val, Operand dst);