diff options
| -rw-r--r-- | js/src/jit/mips64/MacroAssembler-mips64.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/js/src/jit/mips64/MacroAssembler-mips64.cpp b/js/src/jit/mips64/MacroAssembler-mips64.cpp index 657fce93c..e16e5d03f 100644 --- a/js/src/jit/mips64/MacroAssembler-mips64.cpp +++ b/js/src/jit/mips64/MacroAssembler-mips64.cpp @@ -1839,8 +1839,13 @@ void MacroAssemblerMIPS64Compat::tagValue(JSValueType type, Register payload, ValueOperand dest) { MOZ_ASSERT(dest.valueReg() != ScratchRegister); - if (payload != dest.valueReg()) - ma_move(dest.valueReg(), payload); + if (type == JSVAL_TYPE_INT32 || type == JSVAL_TYPE_BOOLEAN) { + ma_dext(dest.valueReg(), payload, Imm32(0), Imm32(32)); + } else { + if (payload != dest.valueReg()) { + ma_move(dest.valueReg(), payload); + } + } ma_li(ScratchRegister, ImmTag(JSVAL_TYPE_TO_TAG(type))); ma_dins(dest.valueReg(), ScratchRegister, Imm32(JSVAL_TAG_SHIFT), Imm32(64 - JSVAL_TAG_SHIFT)); } |