From: Eric Botcazou <ebotcazou@libertysurf.fr>
To: Hiroshi Fujishima <hiroshi.fujishima@gmail.com>
Cc: gcc@gcc.gnu.org
Subject: Re: isinf
Date: Wed, 13 Jul 2005 19:08:00 -0000 [thread overview]
Message-ID: <200507132109.47367.ebotcazou@libertysurf.fr> (raw)
In-Reply-To: <7cfyui3a9r.fsf@gmail.com>
> Why does the compilation of b.c fail, while that of a.c succeeds with
> gcc-4.0.0 or later?
Because the call to isinf is optimized away even at -O0 in the latter case
(isinf being a pure function), but not in the former. That could be deemed
a little questionable though. The gap is eliminated at -O1.
--
Eric Botcazou
next prev parent reply other threads:[~2005-07-13 19:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-13 17:07 isinf Hiroshi Fujishima
2005-07-13 19:08 ` Eric Botcazou [this message]
2005-07-13 22:32 ` isinf Hiroshi Fujishima
2005-07-13 22:59 ` isinf Eric Botcazou
2005-07-13 23:17 ` isinf Hiroshi Fujishima
2005-07-13 23:29 ` isinf Joe Buck
2005-07-13 23:39 ` isinf Dale Johannesen
2005-07-13 23:48 ` isinf Hiroshi Fujishima
2005-07-14 6:27 ` isinf Eric Botcazou
2005-07-14 6:52 ` isinf Michael Veksler
2005-07-14 7:33 ` isinf Eric Botcazou
2005-07-14 7:56 ` isinf Michael Veksler
2005-07-14 8:59 ` isinf Andreas Schwab
2005-07-14 9:10 ` isinf Eric Botcazou
2005-07-14 9:27 ` isinf Hiroshi Fujishima
2005-07-14 9:35 ` isinf Jakub Jelinek
2005-07-14 9:47 ` isinf Andreas Schwab
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