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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-31 13:01:10 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-31 13:01:10 +0000 |
| commit | b3b7419f70aca999e8d2c78336822351fed43cc1 (patch) | |
| tree | 4a655a0ae6f945ac1614484f03ea84124a685c78 /gcc/config/ia64 | |
| parent | 20c31f656a05b4f0a854b6a1dee7f605c0b0633b (diff) | |
| download | ppe42-gcc-b3b7419f70aca999e8d2c78336822351fed43cc1.tar.gz ppe42-gcc-b3b7419f70aca999e8d2c78336822351fed43cc1.zip | |
2008-05-31 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34244
* fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
(tree_expr_nonzero_warnv_p): Likewise.
* tree-vrp.c (vrp_expr_computes_nonnegative): Call
ssa_name_nonnegative_p.
(vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
(extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
not tree_expr_nonzero_warnv_p.
PR tree-optimization/36262
Revert
2007-11-29 Zdenek Dvorak <ook@ucw.cz>
PR tree-optimization/34244
* tree-vrp.c (adjust_range_with_scev): Clear scev cache.
(record_numbers_of_iterations): New function.
(execute_vrp): Cache the numbers of iterations of loops.
* tree-scalar-evolution.c (scev_reset_except_niters):
New function.
(scev_reset): Use scev_reset_except_niters.
* tree-scalar-evolution.h (scev_reset_except_niters): Declare.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@136237 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/ia64')
0 files changed, 0 insertions, 0 deletions
