From: Richard Henderson <rth@redhat.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Eric Botcazou <ebotcazou@libertysurf.fr>,
mark@codesourcery.com, gcc@gcc.gnu.org
Subject: Re: GCC Status Report (2004-03-09)
Date: Thu, 11 Mar 2004 21:11:00 -0000 [thread overview]
Message-ID: <20040311211118.GA15754@redhat.com> (raw)
In-Reply-To: <20040311103911.GF3822@sunsite.ms.mff.cuni.cz>
On Thu, Mar 11, 2004 at 11:39:11AM +0100, Jakub Jelinek wrote:
> BTW, there is one optimization which we perhaps could do. People often
> write:
> void foo (void)
> {
> const char bar[16] = { 0x80 };
> baz (bar);
> }
> which could be optimized into:
> void foo (void)
> {
> static const char bar[16] = { 0x80 };
> baz (bar);
> }
>
> Then we can get rid of the runtime initialization altogether.
> This could be done either if the whole aggregate is const, or if all fields
> are const.
This does indeed happen on tree-ssa branch if the whole aggregate
is const.
r~
next prev parent reply other threads:[~2004-03-11 21:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-09 18:09 Mark Mitchell
2004-03-11 9:45 ` Eric Botcazou
2004-03-11 12:48 ` Jakub Jelinek
2004-03-11 21:11 ` Richard Henderson [this message]
2004-03-16 16:53 ` Mark Mitchell
2004-03-16 16:59 ` Paul Koning
2004-03-16 17:11 ` Ian Lance Taylor
2004-03-16 17:24 ` Zack Weinberg
2004-03-16 17:25 ` Paul Koning
2004-03-17 10:56 ` Eric Botcazou
2004-03-17 11:49 ` Eric Botcazou
2004-03-17 15:55 ` Mark Mitchell
2004-03-18 8:25 ` Eric Botcazou
2004-03-18 18:31 ` Eric Botcazou
2004-03-18 19:15 ` Mark Mitchell
2004-03-18 23:36 ` Eric Botcazou
2004-03-18 23:41 ` Jakub Jelinek
2004-03-19 1:23 ` Eric Botcazou
2004-03-19 14:31 ` Eric Botcazou
2004-03-19 19:29 ` Mark Mitchell
2004-03-19 20:04 ` Eric Botcazou
2004-03-19 20:23 ` Mark Mitchell
2004-03-20 19:51 ` Eric Botcazou
[not found] ` <405A3F26.2050100@codesourcery.com>
[not found] ` <200403190155.18981.ebotcazou@libertysurf.fr>
2004-03-19 6:42 ` Mark Mitchell
2004-03-16 2:09 ` C++ status (Was: GCC Status Report (2004-03-09)) Giovanni Bajo
2004-03-11 12:15 GCC Status Report (2004-03-09) Richard Kenner
2004-03-11 12:39 ` Eric Botcazou
2004-03-11 12:49 Richard Kenner
2004-03-11 14:09 ` Eric Botcazou
2004-03-19 6:34 Richard Kenner
2004-03-19 12:18 ` Jakub Jelinek
2004-03-19 14:22 Richard Kenner
2004-03-19 20:08 Richard Kenner
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