[Bug target/55181] [5/6/7 Regression] Expensive shift loop where a bit-testing instruction could be used

gjl at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Aug 4 07:51:00 GMT 2016


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55181

--- Comment #16 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Author: gjl
Date: Thu Aug  4 07:50:53 2016
New Revision: 239116

URL: https://gcc.gnu.org/viewcvs?rev=239116&root=gcc&view=rev
Log:
        PR 55181
        * config/avr/avr.md: New pattern to work around do_store_flag
        generating shift instructions for bit extractions.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr.md


More information about the Gcc-bugs mailing list