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Fold ZeroExtend8/16/32 imm32/64 (#1358)

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* Fold ZeroExtend8/16/32 imm32/64

* Increment PTC version
This commit is contained in:
Ficture Seven
2020-07-11 05:00:41 +04:00
committed by GitHub
parent 7639bb2e86
commit 0195d0938d
2 changed files with 34 additions and 1 deletions
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33
ARMeilleure/CodeGen/Optimizations/ConstantFolding.cs
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@ -206,6 +206,39 @@ namespace ARMeilleure.CodeGen.Optimizations
}
break;
case Instruction.ZeroExtend16:
if (type == OperandType.I32)
{
EvaluateUnaryI32(operation, (x) => (ushort)x);
}
else if (type == OperandType.I64)
{
EvaluateUnaryI64(operation, (x) => (ushort)x);
}
break;
case Instruction.ZeroExtend32:
if (type == OperandType.I32)
{
EvaluateUnaryI32(operation, (x) => x);
}
else if (type == OperandType.I64)
{
EvaluateUnaryI64(operation, (x) => (uint)x);
}
break;
case Instruction.ZeroExtend8:
if (type == OperandType.I32)
{
EvaluateUnaryI32(operation, (x) => (byte)x);
}
else if (type == OperandType.I64)
{
EvaluateUnaryI64(operation, (x) => (byte)x);
}
break;
case Instruction.Subtract:
if (type == OperandType.I32)
{