From: "Rob Pike" <robpike@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net>
Subject: Re: [9fans] ARM compiler
Date: Tue, 18 Mar 2008 09:28:05 +1100 [thread overview]
Message-ID: <7359f0490803171528g6736b46asd92c008305b56d32@mail.gmail.com> (raw)
In-Reply-To: <4b18090638333987bf2f2de39762c0e0@hamnavoe.com>
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 ,
>
>
>
next prev parent reply other threads:[~2008-03-17 22:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-13 21:14 [9fans] more bitsy stuff john
2008-03-17 9:50 ` [9fans] ARMv6 compiler ? (was: more bitsy stuff) prem
2008-03-17 12:39 ` Charles Forsyth
2008-03-17 17:55 ` [9fans] ARM compiler erik quanstrom
2008-03-17 21:46 ` Richard Miller
2008-03-17 22:28 ` Rob Pike [this message]
2008-03-18 4:16 ` Bruce Ellis
2008-03-18 5:07 ` erik quanstrom
2008-03-18 6:10 ` Bruce Ellis
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