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| author | Sandra Loosemore <sandra@codesourcery.com> | 2010-07-05 13:40:57 -0400 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2010-07-05 13:40:57 -0400 |
| commit | 16ad8025237c565af9292d382b46772a24ba955e (patch) | |
| tree | f20842f5f809320a8d5943d03419f981e5f8a32d /gcc/tree.c | |
| parent | 22a4778a0d558eeeedb14db4e811e36483675983 (diff) | |
| download | gcc-16ad8025237c565af9292d382b46772a24ba955e.zip gcc-16ad8025237c565af9292d382b46772a24ba955e.tar.gz gcc-16ad8025237c565af9292d382b46772a24ba955e.tar.bz2 | |
re PR middle-end/42505 (loop canonicalization causes a lot of unnecessary temporary variables)
2010-07-05 Sandra Loosemore <sandra@codesourcery.com>
PR middle-end/42505
gcc/
* tree-ssa-loop-ivopts.c (determine_set_costs): Delete obsolete
comments about cost model.
(try_add_cand_for): Add second strategy for choosing initial set
based on original IVs, controlled by ORIGINALP argument.
(get_initial_solution): Add ORIGINALP argument.
(find_optimal_iv_set_1): New function, split from find_optimal_iv_set.
(find_optimal_iv_set): Try two different strategies for choosing
the IV set, and return the one with lower cost.
gcc/testsuite/
* gcc.target/arm/pr42505.c: New test case.
From-SVN: r161844
Diffstat (limited to 'gcc/tree.c')
0 files changed, 0 insertions, 0 deletions