private static void EmitSse42Crc32(ILEmitterCtx context, Type tCrc, Type tData)
{
OpCodeAluRs64 op = (OpCodeAluRs64)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);
}
public static void Extr(ILEmitterCtx context)
{
// TODO: Ensure that the Shift is valid for the Is64Bits.
OpCodeAluRs64 op = (OpCodeAluRs64)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);
}
EmitAluStore(context);
}
private static void EmitCrc32(ILEmitterCtx context, string name)
{
OpCodeAluRs64 op = (OpCodeAluRs64)context.CurrOp;
context.EmitLdintzr(op.Rn);
if (op.RegisterSize != RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_U4);
}
context.EmitLdintzr(op.Rm);
SoftFallback.EmitCall(context, name);
if (op.RegisterSize != RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_U8);
}
context.EmitStintzr(op.Rd);
}
