diff options
Diffstat (limited to 'js/src/jit/mips64/Assembler-mips64.cpp')
-rw-r--r-- | js/src/jit/mips64/Assembler-mips64.cpp | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/js/src/jit/mips64/Assembler-mips64.cpp b/js/src/jit/mips64/Assembler-mips64.cpp index a7254b825..4f3eac094 100644 --- a/js/src/jit/mips64/Assembler-mips64.cpp +++ b/js/src/jit/mips64/Assembler-mips64.cpp @@ -228,32 +228,6 @@ Assembler::Bind(uint8_t* rawCode, CodeOffset* label, const void* address) } } -uint32_t -Assembler::PatchWrite_NearCallSize() -{ - // Load an address needs 4 instructions, and a jump with a delay slot. - return (4 + 2) * sizeof(uint32_t); -} - -void -Assembler::PatchWrite_NearCall(CodeLocationLabel start, CodeLocationLabel toCall) -{ - Instruction* inst = (Instruction*) start.raw(); - uint8_t* dest = toCall.raw(); - - // Overwrite whatever instruction used to be here with a call. - // Always use long jump for two reasons: - // - Jump has to be the same size because of PatchWrite_NearCallSize. - // - Return address has to be at the end of replaced block. - // Short jump wouldn't be more efficient. - Assembler::WriteLoad64Instructions(inst, ScratchRegister, (uint64_t)dest); - inst[4] = InstReg(op_special, ScratchRegister, zero, ra, ff_jalr); - inst[5] = InstNOP(); - - // Ensure everyone sees the code that was just written into memory. - AutoFlushICache::flush(uintptr_t(inst), PatchWrite_NearCallSize()); -} - uint64_t Assembler::ExtractLoad64Value(Instruction* inst0) { @@ -315,19 +289,6 @@ Assembler::UpdateLoad64Value(Instruction* inst0, uint64_t value) } void -Assembler::WriteLoad64Instructions(Instruction* inst0, Register reg, uint64_t value) -{ - Instruction* inst1 = inst0->next(); - Instruction* inst2 = inst1->next(); - Instruction* inst3 = inst2->next(); - - *inst0 = InstImm(op_lui, zero, reg, Imm16::Lower(Imm32(value >> 32))); - *inst1 = InstImm(op_ori, reg, reg, Imm16::Upper(Imm32(value))); - *inst2 = InstReg(op_special, rs_one, reg, reg, 48 - 32, ff_dsrl32); - *inst3 = InstImm(op_ori, reg, reg, Imm16::Lower(Imm32(value))); -} - -void Assembler::PatchDataWithValueCheck(CodeLocationLabel label, ImmPtr newValue, ImmPtr expectedValue) { |