private static void EmitSse42Crc32(AILEmitterCtx Context, Type TCrc, Type TData)
{
AOpCodeAluRs Op = (AOpCodeAluRs)Context.CurrOp;
Context.EmitLdintzr(Op.Rn);
Context.EmitLdintzr(Op.Rm);
Context.EmitCall(typeof(Sse42).GetMethod(nameof(Sse42.Crc32), new Type[] { TCrc, TData }));
Context.EmitStintzr(Op.Rd);
}
private static void EmitCrc32(AILEmitterCtx Context, string Name)
{
AOpCodeAluRs Op = (AOpCodeAluRs)Context.CurrOp;
Context.EmitLdintzr(Op.Rn);
if (Op.RegisterSize != ARegisterSize.Int32)
{
Context.Emit(OpCodes.Conv_U4);
}
Context.EmitLdintzr(Op.Rm);
ASoftFallback.EmitCall(Context, Name);
if (Op.RegisterSize != ARegisterSize.Int32)
{
Context.Emit(OpCodes.Conv_U8);
}
Context.EmitStintzr(Op.Rd);
}
public static void Extr(AILEmitterCtx Context)
{
//TODO: Ensure that the Shift is valid for the Is64Bits.
AOpCodeAluRs Op = (AOpCodeAluRs)Context.CurrOp;
Context.EmitLdintzr(Op.Rm);
if (Op.Shift > 0)
{
Context.EmitLdc_I4(Op.Shift);
Context.Emit(OpCodes.Shr_Un);
Context.EmitLdintzr(Op.Rn);
Context.EmitLdc_I4(Op.GetBitsCount() - Op.Shift);
Context.Emit(OpCodes.Shl);
Context.Emit(OpCodes.Or);
}
EmitDataStore(Context);
}
