[Bug target/55583] Extended shift instruction on x86-64 is not used, producing unoptimal code

2022-10-31 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55583 --- Comment #8 from CVS Commits --- The master branch has been updated by hongtao Liu : https://gcc.gnu.org/g:5c5ef2f9ab545b680cd4bb6c540a9dadb12ead86 commit r13-3586-g5c5ef2f9ab545b680cd4bb6c540a9dadb12ead86 Author: liuhongt Date: Thu Oct 2

[Bug target/55583] Extended shift instruction on x86-64 is not used, producing unoptimal code

2022-05-29 Thread crazylht at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55583 --- Comment #7 from Hongtao.liu --- i386 already has 12980(define_insn_and_split "*x86_shrd_2" 12981 [(set (match_operand:SI 0 "nonimmediate_operand") 12982(ior:SI (lshiftrt:SI (match_dup 0) 12983 (match_oper

[Bug target/55583] Extended shift instruction on x86-64 is not used, producing unoptimal code

2014-06-07 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55583 Marc Glisse changed: What|Removed |Added Last reconfirmed|2012-12-04 00:00:00 |2014-6-7 --- Comment #6 from Marc Glisse

[Bug target/55583] Extended shift instruction on x86-64 is not used, producing unoptimal code

2013-04-01 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55583 --- Comment #5 from Marc Glisse 2013-04-01 13:45:33 UTC --- Created attachment 29764 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29764 Patch from comment #4 I apparently forgot to attach a patch when I posted comment #4. This is

[Bug target/55583] Extended shift instruction on x86-64 is not used, producing unoptimal code

2012-12-04 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55583 Marc Glisse changed: What|Removed |Added CC||glisse at gcc dot gnu.org --- Com