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| author | Richard Guenther <rguenther@suse.de> | 2012-06-06 09:45:27 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-06-06 09:45:27 +0000 |
| commit | d0582dc1815c0fb684b97dc88f3a3152d5f517f7 (patch) | |
| tree | 9f8f31aa67b331c5ef8513c22367a259275a267c /gcc/cp | |
| parent | 4ad4fa63349426505aecfea69a8e54aae3f88870 (diff) | |
| download | gcc-d0582dc1815c0fb684b97dc88f3a3152d5f517f7.zip gcc-d0582dc1815c0fb684b97dc88f3a3152d5f517f7.tar.gz gcc-d0582dc1815c0fb684b97dc88f3a3152d5f517f7.tar.bz2 | |
re PR tree-optimization/53081 (memcpy/memset loop recognition)
2012-06-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53081
* tree-data-ref.h (adjacent_store_dr_p): Rename to ...
(adjacent_dr_p): ... this and make it work for reads, too.
* tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
(struct partition_s): Change main_stmt to main_dr, add
secondary_dr member.
(build_size_arg_loc): Change to date data-reference and not
gimplify here.
(build_addr_arg_loc): New function split out from ...
(generate_memset_builtin): ... here. Use it and simplify.
(generate_memcpy_builtin): New function.
(generate_code_for_partition): Adjust.
(classify_partition): Streamline pattern detection. Detect
memcpy.
(ldist_gen): Adjust.
(tree_loop_distribution): Adjust seed statements for memcpy
recognition.
* gcc.dg/tree-ssa/ldist-20.c: New testcase.
* gcc.dg/tree-ssa/loop-19.c: Add -fno-tree-loop-distribute-patterns.
From-SVN: r188261
Diffstat (limited to 'gcc/cp')
0 files changed, 0 insertions, 0 deletions