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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-05-12 12:40:12 +0800 |
|---|---|---|
| committer | Moonchild <moonchild@palemoon.org> | 2020-05-20 14:02:42 +0000 |
| commit | c40bda67bbed2faae019a67d339cf0f0042abc3a (patch) | |
| tree | 9162edf5668460ae25b70f3fbdf2ca459241a8cb /js/src | |
| parent | 0c2de12ffdb44e5d35fcef752e762824fcd14ef3 (diff) | |
| download | UXP-c40bda67bbed2faae019a67d339cf0f0042abc3a.tar UXP-c40bda67bbed2faae019a67d339cf0f0042abc3a.tar.gz UXP-c40bda67bbed2faae019a67d339cf0f0042abc3a.tar.lz UXP-c40bda67bbed2faae019a67d339cf0f0042abc3a.tar.xz UXP-c40bda67bbed2faae019a67d339cf0f0042abc3a.zip | |
Bug 1424978 - IonMonkey: MIPS64: Fix unboxNonDouble for Int32
Tag: #1542
Diffstat (limited to 'js/src')
| -rw-r--r-- | js/src/jit/mips64/MacroAssembler-mips64.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit/mips64/MacroAssembler-mips64.cpp b/js/src/jit/mips64/MacroAssembler-mips64.cpp index e16e5d03f..d283d0b4c 100644 --- a/js/src/jit/mips64/MacroAssembler-mips64.cpp +++ b/js/src/jit/mips64/MacroAssembler-mips64.cpp @@ -1366,22 +1366,52 @@ MacroAssemblerMIPS64Compat::testUndefinedSet(Condition cond, const ValueOperand& void MacroAssemblerMIPS64Compat::unboxNonDouble(const ValueOperand& operand, Register dest) { + Label isInt32, done; + Register tag = splitTagForTest(operand); + asMasm().branchTestInt32(Assembler::Equal, tag, &isInt32); + ma_dext(dest, operand.valueReg(), Imm32(0), Imm32(JSVAL_TAG_SHIFT)); + jump(&done); + + bind(&isInt32); + ma_sll(dest, operand.valueReg(), Imm32(0)); + + bind(&done); } void MacroAssemblerMIPS64Compat::unboxNonDouble(const Address& src, Register dest) { + Label isInt32, done; loadPtr(Address(src.base, src.offset), dest); + splitTag(dest, SecondScratchReg); + asMasm().branchTestInt32(Assembler::Equal, SecondScratchReg, &isInt32); + ma_dext(dest, dest, Imm32(0), Imm32(JSVAL_TAG_SHIFT)); + jump(&done); + + bind(&isInt32); + ma_sll(dest, dest, Imm32(0)); + + bind(&done); } void MacroAssemblerMIPS64Compat::unboxNonDouble(const BaseIndex& src, Register dest) { + Label isInt32, done; computeScaledAddress(src, SecondScratchReg); loadPtr(Address(SecondScratchReg, src.offset), dest); + splitTag(dest, SecondScratchReg); + asMasm().branchTestInt32(Assembler::Equal, SecondScratchReg, &isInt32); + ma_dext(dest, dest, Imm32(0), Imm32(JSVAL_TAG_SHIFT)); + jump(&done); + + bind(&isInt32); + ma_sll(dest, dest, Imm32(0)); + + bind(&done); } void |