https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570
--- Comment #6 from Hongtao.liu ---
1. knot should be cheaper than vector compare to mask register.
2. for test2, we failed to eliminate
vcmppd k1, ymm1, ymm2, 1
which is exactlt the same as
vcmppd k1, ymm2, ymm1, 14
Note: pass_combine f
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570
Richard Biener changed:
What|Removed |Added
Last reconfirmed||2023-01-18
CC|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570
Richard Biener changed:
What|Removed |Added
Blocks||53947
--- Comment #4 from Richard Biene
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570
--- Comment #3 from Daniel Fruzynski ---
I have checked svn head version (20181221), issue is still there.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570
--- Comment #2 from Daniel Fruzynski ---
In g++ (GCC-Explorer-Build) 9.0.0 20181219 (experimental) this still exists.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88570
Richard Biener changed:
What|Removed |Added
Target||x86_64-*-* i?86-*-*
Component|