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| author | Martin Liska <mliska@suse.cz> | 2020-10-02 14:12:06 +0200 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2020-11-06 16:54:26 +0100 |
| commit | 9b11203e33f999933aaa99bba779ffd7cd329849 (patch) | |
| tree | 9548666f7f0212fc2d34759af7ae0ff2ea21e730 /gcc/tree-switch-conversion.c | |
| parent | d398949230786a4d678677fab0070ad779cc1c84 (diff) | |
Add -fbit-tests option.
gcc/ChangeLog:
* common.opt: Add new -fbit-tests option.
* doc/invoke.texi: Document the option.
* tree-switch-conversion.c (bit_test_cluster::find_bit_tests):
Use the option.
* tree-switch-conversion.h (is_enabled): New function.
gcc/testsuite/ChangeLog:
* gcc.dg/tree-ssa/switch-4.c: New test.
Diffstat (limited to 'gcc/tree-switch-conversion.c')
| -rw-r--r-- | gcc/tree-switch-conversion.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-switch-conversion.c b/gcc/tree-switch-conversion.c index 03a1fe632d0..426462e856b 100644 --- a/gcc/tree-switch-conversion.c +++ b/gcc/tree-switch-conversion.c @@ -1310,6 +1310,9 @@ jump_table_cluster::is_beneficial (const vec<cluster *> &, vec<cluster *> bit_test_cluster::find_bit_tests (vec<cluster *> &clusters) { + if (!is_enabled ()) + return clusters.copy (); + unsigned l = clusters.length (); auto_vec<min_cluster_item> min; min.reserve (l + 1); |