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| author | Sandra Loosemore <sandra@codesourcery.com> | 2010-06-08 14:15:53 -0400 |
|---|---|---|
| committer | Sandra Loosemore <sandra@gcc.gnu.org> | 2010-06-08 14:15:53 -0400 |
| commit | e89065a17202234f50185ce3bf2a80efb2fef938 (patch) | |
| tree | 4a855d962c105784a8cbaa9f50b09a09cba934e6 /gcc/gimple.h | |
| parent | c547eb0db1e58bbe7346705cc35ac36891fee425 (diff) | |
| download | gcc-e89065a17202234f50185ce3bf2a80efb2fef938.zip gcc-e89065a17202234f50185ce3bf2a80efb2fef938.tar.gz gcc-e89065a17202234f50185ce3bf2a80efb2fef938.tar.bz2 | |
re PR tree-optimization/39874 (missing VRP (submission))
2010-06-08 Sandra Loosemore <sandra@codesourcery.com>
PR tree-optimization/39874
PR middle-end/28685
gcc/
* gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons):
Declare.
* gimple-fold.c (canonicalize_bool, same_bool_comparison_p,
same_bool_result_p): New.
(and_var_with_comparison, and_var_with_comparison_1,
and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New.
(or_var_with_comparison, or_var_with_comparison_1,
or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New.
* tree-ssa-reassoc.c (eliminate_redundant_comparison): Use
maybe_fold_and_comparisons or maybe_fold_or_comparisons instead
of combine_comparisons.
* tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise.
gcc/testsuite/
* gcc.dg/pr39874.c: New file.
From-SVN: r160445
Diffstat (limited to 'gcc/gimple.h')
| -rw-r--r-- | gcc/gimple.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/gimple.h b/gcc/gimple.h index d847e88..c91ca49 100644 --- a/gcc/gimple.h +++ b/gcc/gimple.h @@ -4812,6 +4812,9 @@ tree maybe_fold_offset_to_address (location_t, tree, tree, tree); tree maybe_fold_stmt_addition (location_t, tree, tree, tree); tree get_symbol_constant_value (tree); bool may_propagate_address_into_dereference (tree, tree); - +extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, + enum tree_code, tree, tree); +extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree, + enum tree_code, tree, tree); #endif /* GCC_GIMPLE_H */ |