| commit | 06a9142d1989f94d9ee052756c2558a139193f6d | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 12 Apr 2012 11:38:47 +0000 (12 11:38 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 12 Apr 2012 11:38:47 +0000 (12 11:38 +0000) | ||
| tree | 309556804f1e89c251beb3a6c838fd3141487079 | treesnapshot (tar.gz zip) |
| parent | b0b097b4dcb8d6b300e8c5f5101741dd1d9a2540 | commitdiff |
2012-04-12 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52943
* tree-chrec.h (chrec_is_positive): Remove.
* tree-scalar-evolution.c (chrec_is_positive): Move ...
* tree-data-ref.c (chrec_is_positive): ... here. Make static.
Return false for a constant zero instead of negative.
(analyze_siv_subscript_cst_affine): Handle zero difference
in the initial condition explicitely.
* gcc.dg/torture/pr52943.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186374 138bc75d-0d04-0410-961f-82ee72b054a4
PR tree-optimization/52943
* tree-chrec.h (chrec_is_positive): Remove.
* tree-scalar-evolution.c (chrec_is_positive): Move ...
* tree-data-ref.c (chrec_is_positive): ... here. Make static.
Return false for a constant zero instead of negative.
(analyze_siv_subscript_cst_affine): Handle zero difference
in the initial condition explicitely.
* gcc.dg/torture/pr52943.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186374 138bc75d-0d04-0410-961f-82ee72b054a4