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| author | Jeff Law <law@redhat.com> | 2017-09-29 12:20:41 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-09-29 12:20:41 -0600 |
| commit | e9d297a15d68121ba5bdd5a76ea71c1916180622 (patch) | |
| tree | ec865a0c1b998f4757f69e3cea2d7245e66f6287 /gcc/sbitmap.h | |
| parent | 79310774839953f17cc5aae75ab332c788784466 (diff) | |
| download | gcc-e9d297a15d68121ba5bdd5a76ea71c1916180622.zip gcc-e9d297a15d68121ba5bdd5a76ea71c1916180622.tar.gz gcc-e9d297a15d68121ba5bdd5a76ea71c1916180622.tar.bz2 | |
sbitmap.c (bitmap_bit_in_range_p): New function.
* sbitmap.c (bitmap_bit_in_range_p): New function.
* sbitmap.h (bitmap_bit_in_range_p): Prototype.
* tree-ssa-dse.c (live_bytes_read): New function.
(dse_classify_store): Ignore reads of dead bytes.
* testsuite/gcc.dg/tree-ssa/ssa-dse-26.c: New test.
From-SVN: r253305
Diffstat (limited to 'gcc/sbitmap.h')
| -rw-r--r-- | gcc/sbitmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/sbitmap.h b/gcc/sbitmap.h index ce4d27d..ff52e93 100644 --- a/gcc/sbitmap.h +++ b/gcc/sbitmap.h @@ -51,6 +51,7 @@ along with GCC; see the file COPYING3. If not see * set_difference : bitmap_and_compl * set_disjuction : (not implemented) * set_compare : bitmap_equal_p + * bit_in_range_p : bitmap_bit_in_range_p Some operations on 3 sets that occur frequently in data flow problems are also implemented: @@ -253,6 +254,7 @@ extern bool bitmap_and (sbitmap, const_sbitmap, const_sbitmap); extern bool bitmap_ior (sbitmap, const_sbitmap, const_sbitmap); extern bool bitmap_xor (sbitmap, const_sbitmap, const_sbitmap); extern bool bitmap_subset_p (const_sbitmap, const_sbitmap); +extern bool bitmap_bit_in_range_p (const_sbitmap, unsigned int, unsigned int); extern int bitmap_first_set_bit (const_sbitmap); extern int bitmap_last_set_bit (const_sbitmap); |