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From: "Uros Bizjak" <ubizjak@gmail.com>
To: "H.J. Lu" <hjl@lucon.org>
Cc: "Mark Mitchell" <mark@codesourcery.com>,
	 	"Richard Guenther" <richard.guenther@gmail.com>,
	 	gcc-patches@gcc.gnu.org, jh@suse.cz
Subject: Re: PATCH: PR target/34001: Incorrect x86 fastcall behavior
Date: Tue, 27 Nov 2007 09:32:00 -0000	[thread overview]
Message-ID: <5787cf470711262219v1c64931dr56263884e1000c74@mail.gmail.com> (raw)
In-Reply-To: <20071127024133.GA4746@lucon.org>

On Nov 27, 2007 3:41 AM, H.J. Lu <hjl@lucon.org> wrote:

> > It depends on how you see it. To me, the current behavior is binary
> > incompatible with MS compilers, for which this feature is designed
> > for. My patch makes it binary incompatible with older gcc, but
> > makes the new gcc binary compatible with all assembly codes and
> > object files which conform to gcc document as well as MS compilers.
> >
>
> We have changed the i386 fastcall abi between gcc 3.4 and gcc 4.0:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34001#c7
>
> I think we should fix it for gcc 4.3. Jan, Uros, can you take a look
> at it?

Jan is an expert for ABI issues, so IMO he should have the last word.

Uros.

  reply	other threads:[~2007-11-27  6:19 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-09 17:32 H.J. Lu
2007-11-09 18:23 ` Richard Guenther
2007-11-09 21:57   ` H.J. Lu
2007-11-18 13:14     ` Gerald Pfeifer
2007-11-18 15:04       ` H.J. Lu
2007-11-18 15:53         ` Gerald Pfeifer
2007-11-12  1:18   ` Mark Mitchell
2007-11-12  8:00     ` H.J. Lu
2007-11-13 10:56       ` Mark Mitchell
2007-11-13 16:19         ` H.J. Lu
2007-11-13 17:09           ` Mark Mitchell
2007-11-13 20:20             ` H.J. Lu
2007-11-27  7:45               ` H.J. Lu
2007-11-27  9:32                 ` Uros Bizjak [this message]
2007-11-28  0:45                   ` Jan Hubicka
2007-11-28 10:38                     ` H.J. Lu
2007-11-16 11:01 ` Ye, Joey
2007-11-16 11:07   ` H.J. Lu
2007-11-16 16:27     ` H.J. Lu
2007-11-13 14:14 Ross Ridge

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