Re: [9fans] ARM compiler

["Bruce Ellis" <bruce.ellis@gmail.com>]

rtfc(1) is on the rtfm(1) page.

grep of /sys/src/cmd/5c/*.c may have been enough.

brucee

On Tue, Mar 18, 2008 at 9:28 AM, Rob Pike <robpike@gmail.com> wrote:
> Spoilsport.
>
> -rob
>
>
> On Tue, Mar 18, 2008 at 8:46 AM, Richard Miller <9fans@hamnavoe.com> wrote:
> > > speaking of arm:
> >  >
> >  > does the compiler emit conditional instructions
> >  > like subgt?
> >
> >  term% cat t.c
> >  int
> >  f(int x)
> >  {
> >         int y = 0;
> >         if (x > 0)
> >                 y -= 1;
> >         return y;
> >  }
> >  term% 5c -S t.c
> >         TEXT    f+0(SB),0,$4
> >         MOVW    $0,R2
> >         CMP     $0,R0,
> >         SUB.GT  $1,R2,R2
> >         MOVW    R2,R0
> >         RET     ,
> >         RET     ,
> >         END     ,
> >
> >
> >
>
>