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[Bug middle-end/40106] [4.4/4.5 Regression] Weird interaction between optimize_insn_for_speed_p and -funsafe-math-optimizations
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Mar 2010 12:38:16 -0000
- Subject: [Bug middle-end/40106] [4.4/4.5 Regression] Weird interaction between optimize_insn_for_speed_p and -funsafe-math-optimizations
- References: <bug-40106-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #57 from rguenth at gcc dot gnu dot org 2010-03-22 12:38 -------
Subject: Bug 40106
Author: rguenth
Date: Mon Mar 22 12:38:02 2010
New Revision: 157623
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157623
Log:
2010-03-22 Richard Guenther <rguenther@suse.de>
PR middle-end/40106
* builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
x * sqrt (x) even when optimizing for size if the target
has native support for sqrt.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40106