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[Bug middle-end/24990] fold should convert ~a != C to a != ~C where C is a constant
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Nov 2005 04:55:02 -0000
- Subject: [Bug middle-end/24990] fold should convert ~a != C to a != ~C where C is a constant
- References: <bug-24990-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from pinskia at gcc dot gnu dot org 2005-11-25 04:55 -------
Subject: Bug 24990
Author: pinskia
Date: Fri Nov 25 04:54:59 2005
New Revision: 107487
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=107487
Log:
2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/24990
* fold-const.c (fold_binary): Fold (~a) == C to a == ~C
for C being INTEGER_CST. Likewise for !=.
2005-11-24 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/24990
* tree-ssa/pr24990-1.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr24990-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24990