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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2004-10-27 22:27:20 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2004-10-27 20:27:20 +0000 |
| commit | 38b0dcb81effec70e61bb1e652c0cab254245115 (patch) | |
| tree | 36323e61beca852219425c346a9efad5a6b0dfb5 /gcc/tree.h | |
| parent | 89e73849fd8fe510b1e5b8b91b5ce1211d377f95 (diff) | |
| download | gcc-38b0dcb81effec70e61bb1e652c0cab254245115.zip gcc-38b0dcb81effec70e61bb1e652c0cab254245115.tar.gz gcc-38b0dcb81effec70e61bb1e652c0cab254245115.tar.bz2 | |
re PR tree-optimization/18048 (mgrid loop performance regression with ivopts (register pressure))
PR tree-optimization/18048
* fold-const.c (try_move_mult_to_index): New function.
(fold): Use try_move_mult_to_index.
* tree-ssa-loop-ivopts.c (try_add_cand_for): Prefer common candidates.
* tree-ssa-loop-niter.c (number_of_iterations_cond): Produce
an all-ones unsigned constant without extra bits.
* tree.c (build_low_bits_mask): New function.
* tree.h (build_low_bits_mask): Declare.
From-SVN: r89708
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -3543,6 +3543,7 @@ tree fold_build_cleanup_point_expr (tree type, tree expr); extern tree build_fold_addr_expr_with_type (tree, tree); extern tree build_fold_indirect_ref (tree); extern tree constant_boolean_node (int, tree); +extern tree build_low_bits_mask (tree, unsigned); extern bool tree_swap_operands_p (tree, tree, bool); extern enum tree_code swap_tree_comparison (enum tree_code); |