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[Bug middle-end/42694] Compiler could optimize pow (x, 0.75) into sqrt (x) * sqrt (sqrt (x))
- From: "meissner at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Apr 2010 15:02:10 -0000
- Subject: [Bug middle-end/42694] Compiler could optimize pow (x, 0.75) into sqrt (x) * sqrt (sqrt (x))
- References: <bug-42694-15150@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from meissner at gcc dot gnu dot org 2010-04-14 15:02 -------
Subject: Bug 42694
Author: meissner
Date: Wed Apr 14 15:01:40 2010
New Revision: 158346
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158346
Log:
PR 42694: Optimize pow (x, 0.25), pow (x, 0.75), pow (x, 1./6.)
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42694