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| author | gdkchan <gab.dark.100@gmail.com> | 2020-07-30 11:29:28 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-30 11:29:28 -0300 |
| commit | 9878fc2d3cf4c64f56c44c2a5de013acb6bcbade (patch) | |
| tree | 8f5e5cde68fec213ab61dbee0e121448f0970ca2 /ARMeilleure/CodeGen/X86/CodeGenerator.cs | |
| parent | 57bb0abda3dc277dc7575250fdb080edb83abcbc (diff) | |
Implement inline memory load/store exclusive and ordered (#1413)
* Implement inline memory load/store exclusive
* Fix missing REX prefix on 8-bits CMPXCHG
* Increment PTC version due to bugfix
* Remove redundant memory checks
* Address PR feedback
* Increment PPTC version
Diffstat (limited to 'ARMeilleure/CodeGen/X86/CodeGenerator.cs')
| -rw-r--r-- | ARMeilleure/CodeGen/X86/CodeGenerator.cs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/ARMeilleure/CodeGen/X86/CodeGenerator.cs b/ARMeilleure/CodeGen/X86/CodeGenerator.cs index 5c9fcd89..f04be52d 100644 --- a/ARMeilleure/CodeGen/X86/CodeGenerator.cs +++ b/ARMeilleure/CodeGen/X86/CodeGenerator.cs @@ -39,6 +39,8 @@ namespace ARMeilleure.CodeGen.X86 Add(Instruction.Call, GenerateCall); Add(Instruction.Clobber, GenerateClobber); Add(Instruction.CompareAndSwap, GenerateCompareAndSwap); + Add(Instruction.CompareAndSwap16, GenerateCompareAndSwap16); + Add(Instruction.CompareAndSwap8, GenerateCompareAndSwap8); Add(Instruction.CompareEqual, GenerateCompareEqual); Add(Instruction.CompareGreater, GenerateCompareGreater); Add(Instruction.CompareGreaterOrEqual, GenerateCompareGreaterOrEqual); @@ -587,6 +589,32 @@ namespace ARMeilleure.CodeGen.X86 } } + private static void GenerateCompareAndSwap16(CodeGenContext context, Operation operation) + { + Operand src1 = operation.GetSource(0); + Operand src2 = operation.GetSource(1); + Operand src3 = operation.GetSource(2); + + EnsureSameType(src2, src3); + + MemoryOperand memOp = MemoryOp(src3.Type, src1); + + context.Assembler.Cmpxchg16(memOp, src3); + } + + private static void GenerateCompareAndSwap8(CodeGenContext context, Operation operation) + { + Operand src1 = operation.GetSource(0); + Operand src2 = operation.GetSource(1); + Operand src3 = operation.GetSource(2); + + EnsureSameType(src2, src3); + + MemoryOperand memOp = MemoryOp(src3.Type, src1); + + context.Assembler.Cmpxchg8(memOp, src3); + } + private static void GenerateCompareEqual(CodeGenContext context, Operation operation) { GenerateCompare(context, operation, X86Condition.Equal); |