https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43432
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |egallager at gcc dot gnu.org --- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Michael Matz from comment #3) > Subject: Bug 43432 > > Author: matz > Date: Fri Sep 17 13:26:43 2010 > New Revision: 164367 > > URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164367 > Log: > PR tree-optimization/43432 > * tree-vect-data-refs.c (vect_analyze_data_ref_access): > Accept backwards consecutive accesses. > (vect_create_data_ref_ptr): If step is negative generate > decreasing IVs. > * tree-vect-stmts.c (vectorizable_store): Reject negative steps. > (perm_mask_for_reverse, reverse_vec_elements): New functions. > (vectorizable_load): Handle loads with negative steps when easily > possible. > > testsuite/ > PR tree-optimization/43432 > * lib/target-supports.exp (check_effective_target_vect_perm_byte, > check_effective_target_vect_perm_short): New predicates. > (check_effective_target_vect_perm): Include x86_64. > * gcc.dg/vect/pr43432.c: New test. > * gcc.dg/vect/vect-114.c: Adjust. > * gcc.dg/vect/vect-15.c: Ditto. > * gcc.dg/vect/slp-perm-8.c: Use new predicate. > * gcc.dg/vect/slp-perm-9.c: Ditto. > > Added: > trunk/gcc/testsuite/gcc.dg/vect/pr43432.c > Modified: > trunk/gcc/ChangeLog > trunk/gcc/testsuite/ChangeLog > trunk/gcc/testsuite/gcc.dg/vect/slp-perm-8.c > trunk/gcc/testsuite/gcc.dg/vect/slp-perm-9.c > trunk/gcc/testsuite/gcc.dg/vect/vect-114.c > trunk/gcc/testsuite/gcc.dg/vect/vect-15.c > trunk/gcc/testsuite/lib/target-supports.exp > trunk/gcc/tree-vect-data-refs.c > trunk/gcc/tree-vect-stmts.c Did this fix it?