http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47383
--- Comment #11 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2011-02-09 17:20:07 UTC --- Author: hjl Date: Wed Feb 9 17:20:00 2011 New Revision: 169979 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169979 Log: Disable ivopts for non-constant base with negative step and Pmode !== ptr_mode. gcc/ 2011-02-09 H.J. Lu <hongjiu...@intel.com> PR middle-end/47383 * tree-ssa-loop-ivopts.c (find_bivs): Disabled for non-constant base with negative step and Pmode !== ptr_mode. (find_givs_in_stmt): Return for non-constant base with negative step and Pmode !== ptr_mode. (generic_type_for): Change arguments to base and step. Check non-constant base with negative step and Pmode !== ptr_mode. gcc/testsuite/ 2011-02-08 H.J. Lu <hongjiu...@intel.com> PR middle-end/47383 * gcc.dg/torture/pr47383.c: New. Added: branches/x32/gcc/testsuite/gcc.dg/torture/pr47383.c Modified: branches/x32/gcc/ChangeLog.x32 branches/x32/gcc/testsuite/ChangeLog.x32 branches/x32/gcc/tree-ssa-loop-ivopts.c
