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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-05-12 12:40:14 +0800 |
|---|---|---|
| committer | Moonchild <moonchild@palemoon.org> | 2020-05-20 14:03:12 +0000 |
| commit | be954fca7288d4e743b279272505f63544e6ec8d (patch) | |
| tree | 9933696e76af63c55130760fb7e6ffddb2193300 /js/src/jit/mips32/CodeGenerator-mips32.cpp | |
| parent | f411e027165e7d95a6119d8dabbc15e4f3a206e8 (diff) | |
| download | UXP-be954fca7288d4e743b279272505f63544e6ec8d.tar UXP-be954fca7288d4e743b279272505f63544e6ec8d.tar.gz UXP-be954fca7288d4e743b279272505f63544e6ec8d.tar.lz UXP-be954fca7288d4e743b279272505f63544e6ec8d.tar.xz UXP-be954fca7288d4e743b279272505f63544e6ec8d.zip | |
Bug 1412030 - [MIPS] Emit wasm memory access information
Tag: #1542
Diffstat (limited to 'js/src/jit/mips32/CodeGenerator-mips32.cpp')
| -rw-r--r-- | js/src/jit/mips32/CodeGenerator-mips32.cpp | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/js/src/jit/mips32/CodeGenerator-mips32.cpp b/js/src/jit/mips32/CodeGenerator-mips32.cpp index 33fea01ae..f41c72f5b 100644 --- a/js/src/jit/mips32/CodeGenerator-mips32.cpp +++ b/js/src/jit/mips32/CodeGenerator-mips32.cpp @@ -494,7 +494,7 @@ CodeGeneratorMIPS::emitWasmLoadI64(T* lir) Register temp = ToRegister(lir->getTemp(1)); if (byteSize <= 4) { - masm.ma_load_unaligned(output.low, BaseIndex(HeapReg, ptr, TimesOne), + masm.ma_load_unaligned(mir->access(), output.low, BaseIndex(HeapReg, ptr, TimesOne), temp, static_cast<LoadStoreSize>(8 * byteSize), isSigned ? SignExtend : ZeroExtend); if (!isSigned) @@ -502,12 +502,11 @@ CodeGeneratorMIPS::emitWasmLoadI64(T* lir) else masm.ma_sra(output.high, output.low, Imm32(31)); } else { - ScratchRegisterScope scratch(masm); - masm.ma_load_unaligned(output.low, BaseIndex(HeapReg, ptr, TimesOne), - temp, SizeWord, isSigned ? SignExtend : ZeroExtend); - masm.ma_addu(scratch, ptr, Imm32(INT64HIGH_OFFSET)); - masm.ma_load_unaligned(output.high, BaseIndex(HeapReg, scratch, TimesOne), - temp, SizeWord, isSigned ? SignExtend : ZeroExtend); + masm.ma_load_unaligned(mir->access(), output.low, + BaseIndex(HeapReg, ptr, TimesOne), temp, SizeWord, ZeroExtend); + masm.ma_load_unaligned(mir->access(), output.high, + BaseIndex(HeapReg, ptr, TimesOne, INT64HIGH_OFFSET), temp, + SizeWord, SignExtend); } return; } @@ -515,15 +514,15 @@ CodeGeneratorMIPS::emitWasmLoadI64(T* lir) if (byteSize <= 4) { masm.ma_load(output.low, BaseIndex(HeapReg, ptr, TimesOne), static_cast<LoadStoreSize>(8 * byteSize), isSigned ? SignExtend : ZeroExtend); + masm.append(mir->access(), masm.size() - 4 , masm.framePushed()); if (!isSigned) masm.move32(Imm32(0), output.high); else masm.ma_sra(output.high, output.low, Imm32(31)); } else { - ScratchRegisterScope scratch(masm); - masm.ma_load(output.low, BaseIndex(HeapReg, ptr, TimesOne), SizeWord); - masm.ma_addu(scratch, ptr, Imm32(INT64HIGH_OFFSET)); - masm.ma_load(output.high, BaseIndex(HeapReg, scratch, TimesOne), SizeWord); + masm.append(mir->access(), masm.size() - 4 , masm.framePushed()); + masm.ma_load(output.high, BaseIndex(HeapReg, ptr, TimesOne, INT64HIGH_OFFSET), SizeWord); + masm.append(mir->access(), masm.size() - 4 , masm.framePushed()); } masm.memoryBarrier(mir->access().barrierAfter()); @@ -581,16 +580,15 @@ CodeGeneratorMIPS::emitWasmStoreI64(T* lir) Register temp = ToRegister(lir->getTemp(1)); if (byteSize <= 4) { - masm.ma_store_unaligned(value.low, BaseIndex(HeapReg, ptr, TimesOne), + masm.ma_store_unaligned(mir->access(), value.low, BaseIndex(HeapReg, ptr, TimesOne), temp, static_cast<LoadStoreSize>(8 * byteSize), isSigned ? SignExtend : ZeroExtend); } else { - ScratchRegisterScope scratch(masm); - masm.ma_store_unaligned(value.low, BaseIndex(HeapReg, ptr, TimesOne), - temp, SizeWord, isSigned ? SignExtend : ZeroExtend); - masm.ma_addu(scratch, ptr, Imm32(INT64HIGH_OFFSET)); - masm.ma_store_unaligned(value.high, BaseIndex(HeapReg, scratch, TimesOne), - temp, SizeWord, isSigned ? SignExtend : ZeroExtend); + masm.ma_store_unaligned(mir->access(), value.high, + BaseIndex(HeapReg, ptr, TimesOne, INT64HIGH_OFFSET), temp, + SizeWord, SignExtend); + masm.ma_store_unaligned(mir->access(), value.low, BaseIndex(HeapReg, ptr, TimesOne), + temp, SizeWord, ZeroExtend); } return; } @@ -598,11 +596,12 @@ CodeGeneratorMIPS::emitWasmStoreI64(T* lir) if (byteSize <= 4) { masm.ma_store(value.low, BaseIndex(HeapReg, ptr, TimesOne), static_cast<LoadStoreSize>(8 * byteSize)); + masm.append(mir->access(), masm.size() - 4, masm.framePushed()); + } else { - ScratchRegisterScope scratch(masm); + masm.ma_store(value.high, BaseIndex(HeapReg, ptr, TimesOne, INT64HIGH_OFFSET), SizeWord); + masm.append(mir->access(), masm.size() - 4, masm.framePushed()); masm.ma_store(value.low, BaseIndex(HeapReg, ptr, TimesOne), SizeWord); - masm.ma_addu(scratch, ptr, Imm32(INT64HIGH_OFFSET)); - masm.ma_store(value.high, BaseIndex(HeapReg, scratch, TimesOne), SizeWord); } masm.memoryBarrier(mir->access().barrierAfter()); |