[Bug middle-end/61912] Missed (partial) dead store elimination for structures on GIMPLE

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61912

--- Comment #4 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Fri Jan 13 15:37:09 2017
New Revision: 244441

URL: https://gcc.gnu.org/viewcvs?rev=244441&root=gcc&view=rev
Log:
        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * sbitmap.h (bitmap_count_bits): Prototype.
        (bitmap_clear_range, bitmap_set_range): Likewise.
        * sbitmap.c (bitmap_clear_range): New function.
        (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sbitmap.c
    trunk/gcc/sbitmap.h