private static int GetComponents(IntegerSize size)
{
return(size switch
{
IntegerSize.B64 => 2,
IntegerSize.B128 => 4,
IntegerSize.UB128 => 4,
_ => 1
});
public OpCodeLdc(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
{
Rd = new Register(opCode.Extract(0, 8), RegisterType.Gpr);
Ra = new Register(opCode.Extract(8, 8), RegisterType.Gpr);
Offset = opCode.Extract(22, 14);
Slot = opCode.Extract(36, 5);
Size = (IntegerSize)opCode.Extract(48, 3);
}
public OpCodeLdc(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
{
Rd = new Register(opCode.Extract(0, 8), RegisterType.Gpr);
Ra = new Register(opCode.Extract(8, 8), RegisterType.Gpr);
Offset = (opCode.Extract(20, 16) << 16) >> 16;
Slot = opCode.Extract(36, 5);
IndexMode = (CbIndexMode)opCode.Extract(44, 2);
Size = (IntegerSize)opCode.Extract(48, 3);
}
public OpCodeMemory(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
{
Rd = new Register(opCode.Extract(0, 8), RegisterType.Gpr);
Ra = new Register(opCode.Extract(8, 8), RegisterType.Gpr);
Offset = (opCode.Extract(20, 24) << 8) >> 8;
Extended = opCode.Extract(45);
Size = (IntegerSize)opCode.Extract(48, 3);
}
private static int GetVectorCount(IntegerSize size)
{
switch (size)
{
case IntegerSize.B64:
return(2);
case IntegerSize.B128:
case IntegerSize.UB128:
return(4);
}
return(1);
}
private static Operand ExtractSmallInt(
EmitterContext context,
IntegerSize size,
Operand bitOffset,
Operand value)
{
value = context.ShiftRightU32(value, bitOffset);
switch (size)
{
case IntegerSize.U8: value = ZeroExtendTo32(context, value, 8); break;
case IntegerSize.U16: value = ZeroExtendTo32(context, value, 16); break;
case IntegerSize.S8: value = SignExtendTo32(context, value, 8); break;
case IntegerSize.S16: value = SignExtendTo32(context, value, 16); break;
}
return(value);
}
private static Operand InsertSmallInt(
EmitterContext context,
IntegerSize size,
Operand bitOffset,
Operand word,
Operand value)
{
switch (size)
{
case IntegerSize.U8:
case IntegerSize.S8:
value = context.BitwiseAnd(value, Const(0xff));
value = context.BitfieldInsert(word, value, bitOffset, Const(8));
break;
case IntegerSize.U16:
case IntegerSize.S16:
value = context.BitwiseAnd(value, Const(0xffff));
value = context.BitfieldInsert(word, value, bitOffset, Const(16));
break;
}
return(value);
}
private void SetSize(IntegerSize size)
{
Debug.Assert(size != IntegerSize.Unknown);
SetMetadata((int)size, IntSizeMask, IntSizeShift);
}
/// <summary>
/// Sets the size.
/// </summary>
/// <returns>The size.</returns>
/// <param name="size">Size.</param>
public void SetSize(IntegerSize size)
{
this.size = size;
}
