public static void Umulh(ILEmitterCtx context)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
context.EmitLdintzr(op.Rn);
context.EmitLdintzr(op.Rm);
SoftFallback.EmitCall(context, nameof(SoftFallback.UMulHi128));
context.EmitStintzr(op.Rd);
}
private static void EmitMul(ILEmitterCtx context, OpCode ilOp)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
context.EmitLdintzr(op.Ra);
context.EmitLdintzr(op.Rn);
context.EmitLdintzr(op.Rm);
context.Emit(OpCodes.Mul);
context.Emit(ilOp);
context.EmitStintzr(op.Rd);
}
private static void EmitMull(ILEmitterCtx context, OpCode addSubOp, bool signed)
{
OpCodeMul64 op = (OpCodeMul64)context.CurrOp;
OpCode castOp = signed
? OpCodes.Conv_I8
: OpCodes.Conv_U8;
context.EmitLdintzr(op.Ra);
context.EmitLdintzr(op.Rn);
context.Emit(OpCodes.Conv_I4);
context.Emit(castOp);
context.EmitLdintzr(op.Rm);
context.Emit(OpCodes.Conv_I4);
context.Emit(castOp);
context.Emit(OpCodes.Mul);
context.Emit(addSubOp);
context.EmitStintzr(op.Rd);
}