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[Bug tree-optimization/56250] Wrong constant folding on unsigned int
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 08 Feb 2013 15:06:37 +0000
- Subject: [Bug tree-optimization/56250] Wrong constant folding on unsigned int
- Auto-submitted: auto-generated
- References: <bug-56250-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56250
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-08 15:06:37 UTC ---
Author: jakub
Date: Fri Feb 8 15:06:26 2013
New Revision: 195888
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195888
Log:
PR tree-optimization/56250
* fold-const.c (extract_muldiv_1) <case NEGATE_EXPR>: Don't optimize
if type is unsigned and code isn't MULT_EXPR.
* gcc.c-torture/execute/pr56250.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr56250.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog