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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

end of thread, other threads:[~2023-07-30  9:03 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
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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