http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45199
--- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-02 16:53:21 UTC --- Author: spop Date: Thu Dec 2 16:53:16 2010 New Revision: 167380 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167380 Log: Fix PR45199: do not aggregate memory accesses to the same array for -ftree-loop-distribute-patterns 2010-11-30 Sebastian Pop <sebastian....@amd.com> PR tree-optimization/45199 * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New. (stores_zero_from_loop): Call mem_write_stride_of_same_size_as_unit_type_p. * tree-data-ref.h (stride_of_unit_type_p): New. * tree-loop-distribution.c (generate_memset_zero): Simplified. Call stride_of_unit_type_p. (build_rdg_partition_for_component): Do not call rdg_flag_similar_memory_accesses when flag_tree_loop_distribute_patterns is set. * gcc.dg/tree-ssa/ldist-15.c: New. * gcc.dg/tree-ssa/ldist-16.c: New. * gfortran.dg/ldist-pr45199.f: New. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-15.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-16.c trunk/gcc/testsuite/gfortran.dg/ldist-pr45199.f Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-data-ref.c trunk/gcc/tree-data-ref.h trunk/gcc/tree-loop-distribution.c
