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| author | Bin Cheng <amker@gcc.gnu.org> | 2015-02-13 05:44:46 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2015-02-13 05:44:46 +0000 |
| commit | fc06280eb11be2316b12a51112cb62614141f32d (patch) | |
| tree | 1306ae46686893d216153301b433362f1e20624d /gcc/tree-ssa-loop-niter.h | |
| parent | 785f21af82139f512eb12f3318899c9f967409e6 (diff) | |
| download | gcc-fc06280eb11be2316b12a51112cb62614141f32d.zip gcc-fc06280eb11be2316b12a51112cb62614141f32d.tar.gz gcc-fc06280eb11be2316b12a51112cb62614141f32d.tar.bz2 | |
re PR tree-optimization/64705 (Bad code generation of sieve on x86-64 because of too aggressive IV optimizations)
PR tree-optimization/64705
* tree-ssa-loop-niter.h (expand_simple_operations): New parameter.
* tree-ssa-loop-niter.c (expand_simple_operations): New parameter.
* tree-ssa-loop-ivopts.c (extract_single_var_from_expr): New.
(find_bivs, find_givs_in_stmt_scev): Pass new argument to
expand_simple_operations.
testsuite
PR tree-optimization/64705
* gcc.dg/tree-ssa/pr64705.c: New test.
From-SVN: r220676
Diffstat (limited to 'gcc/tree-ssa-loop-niter.h')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-niter.h b/gcc/tree-ssa-loop-niter.h index 2b0c2d3..7134906 100644 --- a/gcc/tree-ssa-loop-niter.h +++ b/gcc/tree-ssa-loop-niter.h @@ -20,7 +20,7 @@ along with GCC; see the file COPYING3. If not see #ifndef GCC_TREE_SSA_LOOP_NITER_H #define GCC_TREE_SSA_LOOP_NITER_H -extern tree expand_simple_operations (tree); +extern tree expand_simple_operations (tree, tree = NULL); extern bool loop_only_exit_p (const struct loop *, const_edge); extern bool number_of_iterations_exit (struct loop *, edge, struct tree_niter_desc *niter, bool, |