[LLVMdev] Enhancing TableGen

[David A. Greene]

greened at obbligato.org (David A. Greene) writes:

> To me, this:
>
>           !strconcat(opcstr, "$r.f32\t$d, $a, $b"), []>;
>           !strconcat(opcstr, "$r.f32\t$d, $a, $b"), []>;
>           !strconcat(opcstr, "$r.f64\t$d, $a, $b"), []>;
>           !strconcat(opcstr, "$r.f64\t$d, $a, $b"), []>;
>
> is dangerously redundant.  It's the patterns that are hardest to write
> so I'd rather get them right once or a few times rather than get them
> wrong in lots of places and have to go hunt and fix them.

Of course, I meant to include the pattern dags as well as the asm
specifications here.  The same thing can be done with patterns as
I showed with the asm specs.

                               -Dave