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[Bug tree-optimization/15346] [tree-ssa] combine two successive divisions
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 01 Dec 2014 13:13:59 +0000
- Subject: [Bug tree-optimization/15346] [tree-ssa] combine two successive divisions
- Auto-submitted: auto-generated
- References: <bug-15346-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15346
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Dec 1 13:13:28 2014
New Revision: 218211
URL: https://gcc.gnu.org/viewcvs?rev=218211&root=gcc&view=rev
Log:
2014-12-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/15346
* Makefile.in (gimple-match.o-warn): Remove -Wno-unused-parameter,
add -Wno-unused-but-set-variable.
* match.pd: Combine two successive divisions.
* gcc.dg/tree-ssa/forwprop-32.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-32.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/Makefile.in
trunk/gcc/match.pd
trunk/gcc/testsuite/ChangeLog