From: Richard Henderson <rth@redhat.com>
To: Zack Weinberg <zack@codesourcery.com>
Cc: "Joseph S. Myers" <jsm@polyomino.org.uk>, gcc-patches@gcc.gnu.org
Subject: Re: New C parser [patch]
Date: Wed, 27 Oct 2004 19:04:00 -0000 [thread overview]
Message-ID: <20041027184957.GB18849@redhat.com> (raw)
In-Reply-To: <873c02e46k.fsf@codesourcery.com>
On Mon, Oct 25, 2004 at 05:03:31PM -0700, Zack Weinberg wrote:
> The only way
> asm() at top level can continue to make sense is if we pass it along
> to cgraph, and somehow get cgraph to preserve the global order of
> functions and asm()s. [Mind you, I would not have any problem with
> dropping this feature.]
False.
----
static void doit(int, int);
__asm__("\
.ent doit \n\
doit: \n\
... \n\
ret \n\
.end doit \n\
");
void foo(int a)
{
doit(a, a+1);
}
----
For non-trivial definitions of doit, this can be extremely useful.
Glibc, for instance, uses this in ld.so.
r~
next prev parent reply other threads:[~2004-10-27 18:50 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-23 1:25 Joseph S. Myers
2004-10-23 2:39 ` Steven Bosscher
2004-10-23 4:15 ` Joseph S. Myers
2004-10-23 5:44 ` Scott Robert Ladd
2004-10-24 22:49 ` Joseph S. Myers
2004-10-26 0:32 ` Zack Weinberg
2004-10-26 1:03 ` Andrew Pinski
2004-10-26 1:03 ` Zack Weinberg
2004-10-26 1:11 ` Joseph S. Myers
2004-10-26 8:23 ` Zack Weinberg
2004-10-26 1:30 ` Gabriel Dos Reis
2004-10-26 1:06 ` Joseph S. Myers
2004-10-26 2:47 ` Joseph S. Myers
2004-10-26 3:48 ` Mark Mitchell
2004-10-26 12:21 ` Kyuupi
2004-10-26 12:32 ` Joseph S. Myers
2004-10-26 11:42 ` Joseph S. Myers
2004-10-27 19:04 ` Richard Henderson [this message]
2004-10-27 19:11 ` Richard Guenther
2004-10-27 19:41 ` Zack Weinberg
2004-10-27 19:31 ` Zack Weinberg
2004-10-27 21:31 ` Richard Henderson
2004-10-28 7:38 ` Alan Modra
2004-10-27 20:25 ` Joseph S. Myers
2004-10-25 22:33 ` Ziemowit Laski
2004-10-25 22:51 ` Joseph S. Myers
2004-10-25 23:45 ` Ziemowit Laski
2004-10-25 23:53 ` Scott Robert Ladd
2004-10-26 0:03 ` Unified front end for C and C++ (was Re: New C parser [patch]) Matt Austern
2004-10-26 1:26 ` Scott Robert Ladd
2004-10-26 1:43 ` Gabriel Dos Reis
2004-10-26 2:01 ` Scott Robert Ladd
2004-10-26 15:38 ` Gabriel Dos Reis
2004-10-26 0:28 ` New C parser [patch] Ziemowit Laski
2004-10-26 1:20 ` Scott Robert Ladd
2004-10-26 6:08 ` Unified C and C++ front end (was Re: New C parser [patch]) Matt Austern
2004-10-26 11:14 ` Joseph S. Myers
2004-10-26 16:04 ` Gabriel Dos Reis
2004-10-26 16:51 ` Joseph S. Myers
2004-10-26 0:37 ` New C parser [patch] Joseph S. Myers
2004-10-26 0:03 ` Stan Shebs
2004-10-26 1:46 ` Gabriel Dos Reis
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