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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-15 09:42:03 +0000 |
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| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-15 09:42:03 +0000 |
| commit | d8a99c1725ef11f24d3fdc97c4076af4d2071031 (patch) | |
| tree | 85c42d4a341bc337e0b43abae07320d96c49e60f /gcc/cse.c | |
| parent | c81c13fbb2afca2bf70bae0d119449db5aa2e621 (diff) | |
| download | ppe42-gcc-d8a99c1725ef11f24d3fdc97c4076af4d2071031.tar.gz ppe42-gcc-d8a99c1725ef11f24d3fdc97c4076af4d2071031.zip | |
* tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
(derive_constant_upper_bound): Derive more precise upper bound in
common cases. Return type changed to double_int.
(record_estimate): Reflect the changed return type of
derive_constant_upper_bound.
* double-int.c (double_int_zext, double_int_sext): Fix.
* gcc.dg/tree-ssa/loop-18.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114674 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
0 files changed, 0 insertions, 0 deletions
