From: Richard Henderson <rth@redhat.com>
To: Paolo Bonzini <bonzini@gnu.org>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Remove the postincrement queue
Date: Thu, 08 Jul 2004 21:15:00 -0000 [thread overview]
Message-ID: <20040708195110.GC20150@redhat.com> (raw)
In-Reply-To: <ccjlt2$89h$1@sea.gmane.org>
On Thu, Jul 08, 2004 at 04:35:24PM +0200, Paolo Bonzini wrote:
> Unfortunately (but quite understandably), va_arg expanders are heavy
> users of {pre,post}{in,de}crements, which means that this patch has
> ramifications in backend code. The obvious solution is to expand
> preincrements and predecrements manually, and for postincrements use
> (x+N)-N; of course the real solution would be to transition these
> backends to using gimplifiers for va_arg: these could well use the
> now-banned tree codes, but this is well above my abilities.
Hum. I'm not really fond of the brief scan of the changes you
did here in the valist code. Most of them would need reverting
to almost exactly what's there.
Why don't we take care of this first? I'm sure the conversion
is not above your abilities.
r~
next prev parent reply other threads:[~2004-07-08 19:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-08 14:55 Paolo Bonzini
2004-07-08 21:15 ` Richard Henderson [this message]
2004-07-09 8:34 ` Paolo Bonzini
2004-07-09 9:38 ` gimplify mn10300 va_arg Paolo Bonzini
2004-07-09 11:10 ` Richard Henderson
2004-07-09 9:43 ` [RFT/RFA] gimplify pa va_arg Paolo Bonzini
2004-07-09 9:44 ` Paolo Bonzini
2004-07-09 10:08 ` Paolo Bonzini
2004-07-09 10:13 ` Paolo Bonzini
2004-07-09 10:55 ` [PATCH] Remove the postincrement queue Richard Henderson
2004-07-09 11:15 ` Paolo Bonzini
2004-07-09 15:49 ` [PATCH] Remove the postincrement queue, take 2 Paolo Bonzini
2004-07-09 22:05 ` Richard Henderson
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