| commit | 796f6cba70acaf91b919afd96e90d007374ae8a8 | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 6 Dec 2013 09:23:07 +0000 (6 09:23 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 6 Dec 2013 09:23:07 +0000 (6 09:23 +0000) | ||
| tree | d490ce409763d3445fb2ba74ac78008e8d55f526 | treesnapshot (tar.gz zip) |
| parent | d4a8ec92ecf942be90318c71c42710aadb8d25ad | commitdiff |
2013-12-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/59058
* tree-vectorizer.h (struct _loop_vec_info): Add num_itersm1
member.
(LOOP_VINFO_NITERSM1): New macro.
* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): Express
the vector loop entry test in terms of scalar latch executions.
(vect_do_peeling_for_alignment): Update LOOP_VINFO_NITERSM1.
* tree-vect-loop.c (vect_get_loop_niters): Also return the
number of latch executions.
(new_loop_vec_info): Initialize LOOP_VINFO_NITERSM1.
(vect_analyze_loop_form): Likewise.
(vect_generate_tmps_on_preheader): Compute the number of
vectorized iterations differently.
* gcc.dg/torture/pr59058.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205730 138bc75d-0d04-0410-961f-82ee72b054a4
PR tree-optimization/59058
* tree-vectorizer.h (struct _loop_vec_info): Add num_itersm1
member.
(LOOP_VINFO_NITERSM1): New macro.
* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): Express
the vector loop entry test in terms of scalar latch executions.
(vect_do_peeling_for_alignment): Update LOOP_VINFO_NITERSM1.
* tree-vect-loop.c (vect_get_loop_niters): Also return the
number of latch executions.
(new_loop_vec_info): Initialize LOOP_VINFO_NITERSM1.
(vect_analyze_loop_form): Likewise.
(vect_generate_tmps_on_preheader): Compute the number of
vectorized iterations differently.
* gcc.dg/torture/pr59058.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205730 138bc75d-0d04-0410-961f-82ee72b054a4