public InstrDecoder(Opcode opcode, InstrClass iclass, ArmVectorData vectorData, params Mutator <A32Disassembler>[] mutators)
{
this.opcode = opcode;
this.iclass = iclass;
this.vectorData = vectorData;
this.mutators = mutators;
}
public InstrDecoder(Mnemonic mnemonic, InstrClass iclass, ArmVectorData vec, params Mutator <T32Disassembler>[] mutators)
{
this.mnemonic = mnemonic;
this.iclass = iclass;
this.vec = vec;
this.mutators = mutators;
}
private DataType VectorElementDataType(ArmVectorData elemType)
{
switch (elemType)
{
case ArmVectorData.I8: return(PrimitiveType.SByte);
case ArmVectorData.S8: return(PrimitiveType.SByte);
case ArmVectorData.U8: return(PrimitiveType.Byte);
case ArmVectorData.I16: return(PrimitiveType.Int16);
case ArmVectorData.S16: return(PrimitiveType.Int16);
case ArmVectorData.U16: return(PrimitiveType.UInt16);
case ArmVectorData.F32: return(PrimitiveType.Real32);
case ArmVectorData.I32: return(PrimitiveType.Int32);
case ArmVectorData.S32: return(PrimitiveType.Int32);
case ArmVectorData.U32: return(PrimitiveType.UInt32);
case ArmVectorData.F64: return(PrimitiveType.Real64);
case ArmVectorData.I64: return(PrimitiveType.Int64);
case ArmVectorData.S64: return(PrimitiveType.Int64);
case ArmVectorData.U64: return(PrimitiveType.UInt64);
default: NotImplementedYet(); return(VoidType.Instance);
}
}
string VectorElementType(ArmVectorData elemType)
{
switch (elemType)
{
case ArmVectorData.I8: return("i8");
case ArmVectorData.S8: return("s8");
case ArmVectorData.U8: return("u8");
case ArmVectorData.I16: return("i16");
case ArmVectorData.S16: return("s16");
case ArmVectorData.U16: return("u16");
case ArmVectorData.F32: return("f32");
case ArmVectorData.I32: return("i32");
case ArmVectorData.S32: return("s32");
case ArmVectorData.U32: return("u32");
case ArmVectorData.F64: return("f64");
case ArmVectorData.I64: return("i64");
case ArmVectorData.S64: return("s64");
case ArmVectorData.U64: return("u64");
default: NotImplementedYet(); return("(NYI)");
}
}
private void RewriteVectorUnaryOp(string fnNameFormat, ArmVectorData elemType)
{
var src1 = this.Operand(Src1());
var dst = this.Operand(Dst(), PrimitiveType.Word32, true);
var dstType = Dst().Width;
var srcType = Src1().Width;
var srcElemSize = Arm32Architecture.VectorElementDataType(elemType);
var celemSrc = srcType.BitSize / srcElemSize.BitSize;
var arrSrc = new ArrayType(srcType, celemSrc);
var arrDst = new ArrayType(dstType, celemSrc);
var fnName = string.Format(fnNameFormat, VectorElementTypeName(elemType));
var intrinsic = host.Intrinsic(fnName, true, arrDst, src1);
m.Assign(dst, intrinsic);
}
private void RewriteVectorBinOp(string fnNameFormat, ArmVectorData elemType)
{
var src1 = this.Operand(Src1());
var src2 = this.Operand(Src2());
var dst = this.Operand(Dst(), PrimitiveType.Word32, true);
var dstType = Dst().Width;
var srcType = Src1().Width;
var srcElemSize = VectorElementDataType(elemType);
//$BUG: some instructions are returned with srcElemnSize == 0!
var celemSrc = srcType.BitSize / (srcElemSize.BitSize != 0 ? srcElemSize.BitSize : 8);
var arrSrc = new ArrayType(srcType, celemSrc);
var arrDst = new ArrayType(dstType, celemSrc);
var fnName = string.Format(fnNameFormat, VectorElementType(elemType));
var intrinsic = host.PseudoProcedure(fnName, arrDst, src1, src2);
m.Assign(dst, intrinsic);
}
private void RewriteVectorBinOp(
string fnNameFormat,
ArmVectorData elemType,
MachineOperand opDst,
MachineOperand opSrc1,
MachineOperand opSrc2)
{
var src1 = this.Operand(opSrc1);
var src2 = this.Operand(opSrc2);
var dst = this.Operand(opDst, PrimitiveType.Word32, true);
var dstType = opDst.Width;
var srcType = opSrc1.Width;
var srcElemSize = Arm32Architecture.VectorElementDataType(elemType);
//$BUG: some instructions are returned with srcElemnSize == 0!
var celemSrc = srcType.BitSize / (srcElemSize.BitSize != 0 ? srcElemSize.BitSize : 8);
var arrSrc = new ArrayType(srcType, celemSrc);
var arrDst = new ArrayType(dstType, celemSrc);
var fnName = string.Format(fnNameFormat, VectorElementTypeName(elemType));
var intrinsic = host.Intrinsic(fnName, true, arrDst, src1, src2);
m.Assign(dst, intrinsic);
}
public static PrimitiveType VectorElementDataType(ArmVectorData elemType)
{
switch (elemType)
{
case ArmVectorData.I8: return PrimitiveType.SByte;
case ArmVectorData.S8: return PrimitiveType.SByte;
case ArmVectorData.U8: return PrimitiveType.Byte;
case ArmVectorData.F16: return PrimitiveType.Real16;
case ArmVectorData.I16: return PrimitiveType.Int16;
case ArmVectorData.S16: return PrimitiveType.Int16;
case ArmVectorData.U16: return PrimitiveType.UInt16;
case ArmVectorData.F32: return PrimitiveType.Real32;
case ArmVectorData.I32: return PrimitiveType.Int32;
case ArmVectorData.S32: return PrimitiveType.Int32;
case ArmVectorData.U32: return PrimitiveType.UInt32;
case ArmVectorData.F64: return PrimitiveType.Real64;
case ArmVectorData.I64: return PrimitiveType.Int64;
case ArmVectorData.S64: return PrimitiveType.Int64;
case ArmVectorData.U64: return PrimitiveType.UInt64;
default: throw new ArgumentException(nameof(elemType));
}
}
PrimitiveType VectorElementType(ArmVectorData elemType)
{
switch (elemType)
{
case ArmVectorData.I8: return(PrimitiveType.Byte);
case ArmVectorData.S8: return(PrimitiveType.Int8);
case ArmVectorData.U8: return(PrimitiveType.UInt8);
case ArmVectorData.F16: return(PrimitiveType.Real16);
case ArmVectorData.I16: return(PrimitiveType.Word16);
case ArmVectorData.S16: return(PrimitiveType.Int16);
case ArmVectorData.U16: return(PrimitiveType.UInt16);
case ArmVectorData.F32: return(PrimitiveType.Real32);
case ArmVectorData.I32: return(PrimitiveType.Word32);
case ArmVectorData.S32: return(PrimitiveType.Int32);
case ArmVectorData.U32: return(PrimitiveType.UInt32);
case ArmVectorData.F64: return(PrimitiveType.Real64);
case ArmVectorData.I64: return(PrimitiveType.Word64);
case ArmVectorData.S64: return(PrimitiveType.Int64);
case ArmVectorData.U64: return(PrimitiveType.UInt64);
default: NotImplementedYet(); return(PrimitiveType.Bool);
}
}
private void RewriteVectorBinOp(string fnNameFormat, ArmVectorData elemType)
{
RewriteVectorBinOp(fnNameFormat, elemType, Dst(), Src1(), Src2());
}
public InstrDecoder(Opcode opcode, ArmVectorData vectorData, params Func <uint, A32Disassembler, bool>[] mutators)
{
this.opcode = opcode;
this.vectorData = vectorData;
this.mutators = mutators;
}
