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From: "hubicka at ucw dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug optimization/12612] [3.4 Regression] ICE when using log function with -O3 -ffast-math
Date: Fri, 17 Oct 2003 18:13:00 -0000 [thread overview]
Message-ID: <20031017181254.29679.qmail@sources.redhat.com> (raw)
In-Reply-To: <20031014075139.12612.martin@mpa-garching.mpg.de>
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12612
------- Additional Comments From hubicka at ucw dot cz 2003-10-17 18:12 -------
Subject: Re: [3.4 Regression] ICE when using log function with -O3 -ffast-math
> PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12612
>
>
>
> ------- Additional Comments From reichelt at gcc dot gnu dot org 2003-10-17 17:54 -------
> Something with the optimization -fweb seems to be wrong.
> Because of Jan's patch it's turned on with -O3.
> That's probably why the bug appears with the patch.
>
> Btw, just specifying the option "-fweb" on the command
> line causes an ICE:
>
> cc1: internal compiler error: in common_handle_option, at opts.c:656
> Please submit a full bug report, [etc.]
>
> In addition the documentation is quite incomplete: "-fweb" is only
> mentioned once in the manual:
>
> Optimize yet more. @option{-O3} turns on all optimizations specified by
> @option{-O2} and also turns on the @option{-finline-functions},
> @option{-fweb} and @option{-frename-registers} options.
>
> But nowhere is an explanation what "-fweb actually" does and it doesn't
> appear in the list of optimization options.
This looks like some hunk of patch got lost. I definitly wrote
documentation for that. I will fix that.
Thanks,
Honza
>
>
>
>
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
next prev parent reply other threads:[~2003-10-17 18:12 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-14 7:51 [Bug c++/12612] New: ICE when compiling " martin at mpa-garching dot mpg dot de
2003-10-14 7:53 ` [Bug c++/12612] " martin at mpa-garching dot mpg dot de
2003-10-14 16:22 ` [Bug optimization/12612] [3.4 Regression] " pinskia at gcc dot gnu dot org
2003-10-17 16:38 ` [Bug optimization/12612] [3.4 Regression] ICE when using log function " reichelt at gcc dot gnu dot org
2003-10-17 17:41 ` pinskia at gcc dot gnu dot org
2003-10-17 17:41 ` reichelt at gcc dot gnu dot org
2003-10-17 18:12 ` reichelt at gcc dot gnu dot org
2003-10-17 18:13 ` hubicka at ucw dot cz [this message]
2003-10-18 18:49 ` pinskia at gcc dot gnu dot org
2003-10-18 23:17 ` hubicka at ucw dot cz
2003-10-18 23:21 ` hubicka at ucw dot cz
2003-10-19 17:26 ` rth at redhat dot com
2003-10-19 18:00 ` cvs-commit at gcc dot gnu dot org
2003-10-19 18:04 ` pinskia at gcc dot gnu dot org
2003-10-19 20:58 ` martin at mpa-garching dot mpg dot de
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