http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43023
--- Comment #6 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-23 18:51:55 UTC --- Author: spop Date: Thu Dec 23 18:51:51 2010 New Revision: 168212 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168212 Log: Fix PR43023: fuse_partitions_with_similar_memory_accesses. 2010-12-23 Sebastian Pop <sebastian....@amd.com> PR tree-optimization/43023 * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): Removed. (stores_zero_from_loop): Call stmt_stores_zero. (stmt_with_adjacent_zero_store_dr_p): New. * tree-data-ref.h (stmt_with_adjacent_zero_store_dr_p): Declared. (stride_of_unit_type_p): New. * tree-loop-distribution.c (generate_memset_zero): Do not return a boolean. Call gcc_assert on stride_of_unit_type_p. (generate_builtin): Call stmt_stores_zero. (rdg_flag_all_uses): Removed. (rdg_flag_similar_memory_accesses): Removed. (build_rdg_partition_for_component): Removed parameter other_stores. Removed call to rdg_flag_similar_memory_accesses. (can_generate_builtin): New. (similar_memory_accesses): New. (fuse_partitions_with_similar_memory_accesses): New. (rdg_build_partitions): Call fuse_partitions_with_similar_memory_accesses. * gfortran.dg/ldist-1.f90: Adjust pattern. * gfortran.dg/ldist-pr43023.f90: New. Added: branches/gcc-4_5-branch/gcc/testsuite/gfortran.dg/ldist-pr43023.f90 Modified: branches/gcc-4_5-branch/gcc/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/ChangeLog branches/gcc-4_5-branch/gcc/testsuite/gfortran.dg/ldist-1.f90 branches/gcc-4_5-branch/gcc/tree-data-ref.c branches/gcc-4_5-branch/gcc/tree-data-ref.h branches/gcc-4_5-branch/gcc/tree-loop-distribution.c