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| author | Jakub Jelinek <jakub@redhat.com> | 2014-10-17 12:54:54 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2014-10-17 12:54:54 +0200 |
| commit | 73049af5fa62c7eeca27585f8f318e9bea7c47ae (patch) | |
| tree | 3d9f1e754cc0f6442d99387021c379a081f76de3 /gcc/optabs.h | |
| parent | 4eb4a256cd4a39555f4d834c47cabc2e136ed02a (diff) | |
| download | gcc-73049af5fa62c7eeca27585f8f318e9bea7c47ae.zip gcc-73049af5fa62c7eeca27585f8f318e9bea7c47ae.tar.gz gcc-73049af5fa62c7eeca27585f8f318e9bea7c47ae.tar.bz2 | |
re PR tree-optimization/63464 (compare one character to many: faster)
PR tree-optimization/63464
* gimple.h (gimple_seq_discard): New prototype.
* gimple.c: Include stringpool.h and tree-ssanames.h.
(gimple_seq_discard): New function.
* optabs.h (lshift_cheap_p): New prototype.
* optabs.c (lshift_cheap_p): New function, moved from...
* tree-switch-conversion.c (lshift_cheap_p): ... here.
* tree-ssa-reassoc.c: Include gimplify.h and optabs.h.
(reassoc_branch_fixups): New variable.
(update_range_test): Add otherrangep and seq arguments.
Unshare exp. If otherrange is NULL, use for other ranges
array of pointers pointed by otherrangep instead.
Emit seq before gimplified statements for tem.
(optimize_range_tests_diff): Adjust update_range_test
caller.
(optimize_range_tests_xor): Likewise. Fix up comment.
(extract_bit_test_mask, optimize_range_tests_to_bit_test): New
functions.
(optimize_range_tests): Adjust update_range_test caller.
Call optimize_range_tests_to_bit_test.
(branch_fixup): New function.
(execute_reassoc): Call branch_fixup.
* gcc.dg/torture/pr63464.c: New test.
* gcc.dg/tree-ssa/reassoc-37.c: New test.
* gcc.dg/tree-ssa/reassoc-38.c: New test.
From-SVN: r216393
Diffstat (limited to 'gcc/optabs.h')
| -rw-r--r-- | gcc/optabs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/optabs.h b/gcc/optabs.h index 089b15a..050d9b1 100644 --- a/gcc/optabs.h +++ b/gcc/optabs.h @@ -538,5 +538,6 @@ extern void gen_satfractuns_conv_libfunc (convert_optab, const char *, enum machine_mode, enum machine_mode); extern void init_tree_optimization_optabs (tree); +extern bool lshift_cheap_p (bool); #endif /* GCC_OPTABS_H */ |