[Bug middle-end/108786] bitmap_first_set_bit misses a bitmap_clear_first_bit

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108786

Richard Biener  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #3 from Richard Biener  ---
Fixed for GCC 14+

[Bug middle-end/108786] bitmap_first_set_bit misses a bitmap_clear_first_bit

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108786

--- Comment #2 from CVS Commits  ---
The master branch has been updated by Richard Biener :

https://gcc.gnu.org/g:f548ece7abc0a0c81dd049e9f8b480ff2c38e18b

commit r14-41-gf548ece7abc0a0c81dd049e9f8b480ff2c38e18b
Author: Richard Biener 
Date:   Tue Feb 14 16:36:03 2023 +0100

middle-end/108786 - add bitmap_clear_first_set_bit

This adds bitmap_clear_first_set_bit and uses it where previously
bitmap_clear_bit followed bitmap_first_set_bit.  The advantage
is speeding up the search and avoiding to clobber ->current.

PR middle-end/108786
* bitmap.h (bitmap_clear_first_set_bit): New.
* bitmap.cc (bitmap_first_set_bit_worker): Rename from
bitmap_first_set_bit and add optional clearing of the bit.
(bitmap_first_set_bit): Wrap bitmap_first_set_bit_worker.
(bitmap_clear_first_set_bit): Likewise.
* df-core.cc (df_worklist_dataflow_doublequeue): Use
bitmap_clear_first_set_bit.
* graphite-scop-detection.cc (scop_detection::merge_sese):
Likewise.
* sanopt.cc (sanitize_asan_mark_unpoison): Likewise.
(sanitize_asan_mark_poison): Likewise.
* tree-cfgcleanup.cc (cleanup_tree_cfg_noloop): Likewise.
* tree-into-ssa.cc (rewrite_blocks): Likewise.
* tree-ssa-dce.cc (simple_dce_from_worklist): Likewise.
* tree-ssa-sccvn.cc (do_rpo_vn_1): Likewise.

[Bug middle-end/108786] bitmap_first_set_bit misses a bitmap_clear_first_bit

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108786

Richard Biener  changed:

   What|Removed |Added

   Last reconfirmed||2023-02-14
   Assignee|unassigned at gcc dot gnu.org  |rguenth at gcc dot 
gnu.org
 Status|UNCONFIRMED |ASSIGNED
 Ever confirmed|0   |1

--- Comment #1 from Richard Biener  ---
Mine.