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Implement inline memory load/store exclusive and ordered (#1413)

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* 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
This commit is contained in:
gdkchan 2020-07-30 11:29:28 -03:00 • committed by GitHub
parent 57bb0abda3
commit 9878fc2d3c
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 385 additions and 376 deletions
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28
ARMeilleure/CodeGen/X86/CodeGenerator.cs
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@ -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);