[Bug tree-optimization/31521] / conversion to >> is not done when the divisor can be zero
dnovillo at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Fri Aug 3 13:08:00 GMT 2007
------- Comment #4 from dnovillo at gcc dot gnu dot org 2007-08-03 13:08 -------
Subject: Bug 31521
Author: dnovillo
Date: Fri Aug 3 13:08:29 2007
New Revision: 127180
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=127180
Log:
2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
Diego Novillo <dnovillo@google.com>
PR 31521
* tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
if the range includes 0.
2007-08-03 Diego Novillo <dnovillo@google.com>
PR 31521
* gcc.dg/tree-ssa/pr31521.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr31521.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31521
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