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[Bug tree-optimization/15784] fold misses binary optimization
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Mar 2005 02:49:19 -0000
- Subject: [Bug tree-optimization/15784] fold misses binary optimization
- References: <20040602204532.15784.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-03-04 02:49 -------
Subject: Bug 15784
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: phython@gcc.gnu.org 2005-03-04 02:48:32
Modified files:
gcc : ChangeLog fold-const.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.dg: pr15784-4.c
Log message:
2005-03-03 James A. Morrison <phython@gcc.gnu.org>
PR tree-optimization/15784
* fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
and -1 - A to ~A.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7657&r2=2.7658
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.520&r2=1.521
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5106&r2=1.5107
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/pr15784-4.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15784