public static OpCode FromName(string op, Reg32 op1, Xmm op2)
{
byte b;
switch (op)
{
case "movd":
b = 0x7e;
break;
default:
throw new Exception("invalid operator: " + op);
}
return new OpCode(new byte[] { 0x66, 0x0f, b, (byte)(0xc0 + (((int)op2) << 3) + op1) });
}
public static OpCode FromName(string op, Xmm op1, Addr32 op2)
{
byte b1 = 0x66, b2;
if (op == "movq" || op == "movdqu") b1 = 0xf3;
switch (op)
{
case "movd":
b2 = 0x6e;
break;
default:
b2 = GetCode(op);
break;
}
return new OpCode(new byte[] { b1, 0x0f, b2 }, null, new Addr32(op2, (byte)op1));
}
public static OpCode FromName(string op, Xmm op1, byte op2)
{
byte b1 = 0, b2 = 0;
switch (op)
{
case "psllw":
case "psrlw":
case "psraw":
b1 = 0x71;
break;
case "pslld":
case "psrld":
case "psrad":
b1 = 0x72;
break;
case "psllq":
case "psrlq":
b1 = 0x73;
break;
}
switch (op)
{
case "psllw":
case "pslld":
case "psllq":
b2 = 0xf0;
break;
case "psrlw":
case "psrld":
case "psrlq":
b2 = 0xd0;
break;
case "psraw":
case "psrad":
b2 = 0xe0;
break;
}
if (b1 == 0 || b2 == 0)
throw new Exception("invalid operator: " + op);
return new OpCode(new byte[] { 0x66, 0x0f, b1, (byte)(b2 + op1) }, op2);
}
public static OpCode FromName(string op, Addr32 op1, Xmm op2)
{
byte b1 = 0x66, b2;
if (op == "movdqu") b1 = 0xf3;
switch (op)
{
case "movd":
b2 = 0x7e;
break;
case "movq":
b2 = 0xd6;
break;
case "movdqa":
case "movdqu":
b2 = 0x7f;
break;
default:
throw new Exception("invalid operator: " + op);
}
return new OpCode(new byte[] { b1, 0x0f, b2 }, null, new Addr32(op1, (byte)op2));
}
public static OpCode PAddQ(Xmm op1, Xmm op2)
{
return FromName("paddq", op1, op2);
}
public static OpCode MovD(Reg32 op1, Xmm op2)
{
return FromName("movd", op1, op2);
}
public static OpCode PSRAW(Xmm op1, Addr32 op2)
{
return FromName("psraw", op1, op2);
}
public static OpCode PUnpckLDQ(Xmm op1, Xmm op2)
{
return FromName("punpckldq", op1, op2);
}
public static OpCode MovDQA(Xmm op1, Addr32 op2)
{
return FromName("movdqa", op1, op2);
}
public static OpCode PSubW(Xmm op1, Addr32 op2)
{
return FromName("psubw", op1, op2);
}
public static OpCode PUnpckHWD(Xmm op1, Xmm op2)
{
return FromName("punpckhwd", op1, op2);
}
public static OpCode PSRLD(Xmm op1, Xmm op2)
{
return FromName("psrld", op1, op2);
}
public static OpCode PSRLW(Xmm op1, byte op2)
{
return FromName("psrlw", op1, op2);
}
public static OpCode PackUSWB(Xmm op1, Addr32 op2)
{
return FromName("packuswb", op1, op2);
}
public static OpCode PackSSWB(Xmm op1, Xmm op2)
{
return FromName("packsswb", op1, op2);
}
public static OpCode PackSSDW(Xmm op1, Addr32 op2)
{
return FromName("packssdw", op1, op2);
}
public static OpCode MovDQU(Addr32 op1, Xmm op2)
{
return FromName("movdqu", op1, op2);
}
public static OpCode MovQ(Addr32 op1, Xmm op2)
{
return FromName("movq", op1, op2);
}
public static OpCode PSRLQ(Xmm op1, Addr32 op2)
{
return FromName("psrlq", op1, op2);
}
public static OpCode PAddW(Xmm op1, Addr32 op2)
{
return FromName("paddw", op1, op2);
}
public static OpCode PSubQ(Xmm op1, Xmm op2)
{
return FromName("psubq", op1, op2);
}
public static OpCode PMulHW(Xmm op1, Xmm op2)
{
return FromName("pmulhw", op1, op2);
}
public static OpCode PUnpckHDQ(Xmm op1, Addr32 op2)
{
return FromName("punpckhdq", op1, op2);
}
public static OpCode PMulLW(Xmm op1, Addr32 op2)
{
return FromName("pmullw", op1, op2);
}
public static OpCode PUnpckLBW(Xmm op1, Xmm op2)
{
return FromName("punpcklbw", op1, op2);
}
public static OpCode PSLLQ(Xmm op1, byte op2)
{
return FromName("psllq", op1, op2);
}
public static OpCode PUnpckLWD(Xmm op1, Addr32 op2)
{
return FromName("punpcklwd", op1, op2);
}
public static OpCode PSLLW(Xmm op1, Addr32 op2)
{
return FromName("psllw", op1, op2);
}
public static OpCode PSRAD(Xmm op1, byte op2)
{
return FromName("psrad", op1, op2);
}
public static OpCode FromName(string op, Xmm op1, Xmm op2)
{
byte b1 = 0x66, b2 = GetCode(op);
if (op == "movq" || op == "movdqu") b1 = 0xf3;
return new OpCode(new byte[] { b1, 0x0f, b2, (byte)(0xc0 + (((int)op1) << 3) + op2) });
}
