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* [Bug target/106222] New: x86 Better code squence for __builtin_shuffle
@ 2022-07-07 6:26 admin at levyhsu dot com
2022-07-07 7:05 ` [Bug target/106222] " pinskia at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: admin at levyhsu dot com @ 2022-07-07 6:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106222
Bug ID: 106222
Summary: x86 Better code squence for __builtin_shuffle
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: admin at levyhsu dot com
Target Milestone: ---
Related bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54346
After I merge two VEC_PERM_EXPR in the match.pd, I found that two
__builtin_shuffle actually generate better code than one __builtin_shuffle:
https://godbolt.org/z/xE9xd9ExT
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/106222] x86 Better code squence for __builtin_shuffle
2022-07-07 6:26 [Bug target/106222] New: x86 Better code squence for __builtin_shuffle admin at levyhsu dot com
@ 2022-07-07 7:05 ` pinskia at gcc dot gnu.org
2022-10-19 2:47 ` crazylht at gmail dot com
2023-07-30 9:03 ` roger at nextmovesoftware dot com
2 siblings, 0 replies; 4+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-07-07 7:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106222
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 53270
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53270&action=edit
testcase
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/106222] x86 Better code squence for __builtin_shuffle
2022-07-07 6:26 [Bug target/106222] New: x86 Better code squence for __builtin_shuffle admin at levyhsu dot com
2022-07-07 7:05 ` [Bug target/106222] " pinskia at gcc dot gnu.org
@ 2022-10-19 2:47 ` crazylht at gmail dot com
2023-07-30 9:03 ` roger at nextmovesoftware dot com
2 siblings, 0 replies; 4+ messages in thread
From: crazylht at gmail dot com @ 2022-10-19 2:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106222
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
This is fixed by r13-2843-g3db8e9c2422d92
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/106222] x86 Better code squence for __builtin_shuffle
2022-07-07 6:26 [Bug target/106222] New: x86 Better code squence for __builtin_shuffle admin at levyhsu dot com
2022-07-07 7:05 ` [Bug target/106222] " pinskia at gcc dot gnu.org
2022-10-19 2:47 ` crazylht at gmail dot com
@ 2023-07-30 9:03 ` roger at nextmovesoftware dot com
2 siblings, 0 replies; 4+ messages in thread
From: roger at nextmovesoftware dot com @ 2023-07-30 9:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106222
Roger Sayle <roger at nextmovesoftware dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
CC| |roger at nextmovesoftware dot com
Target Milestone|--- |13.0
--- Comment #3 from Roger Sayle <roger at nextmovesoftware dot com> ---
This was fixed by Hongtao's patch for GCC 13.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2023-07-30 9:03 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2022-07-07 6:26 [Bug target/106222] New: x86 Better code squence for __builtin_shuffle admin at levyhsu dot com
2022-07-07 7:05 ` [Bug target/106222] " pinskia at gcc dot gnu.org
2022-10-19 2:47 ` crazylht at gmail dot com
2023-07-30 9:03 ` roger at nextmovesoftware dot com
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