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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/58497] SLP vectorizes identical operations Date: Sat, 14 Aug 2021 23:27:39 +0000 [thread overview] Message-ID: <bug-58497-4-jndNgiQxhV@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-58497-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58497 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org Status|NEW |ASSIGNED --- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Mine for GCC 13, I have patches which turn: W_6 = BIT_INSERT_EXPR <W_5(D), _2, 96 (32 bits)>; W_7 = BIT_INSERT_EXPR <W_6, _2, 64 (32 bits)>; W_8 = BIT_INSERT_EXPR <W_7, _2, 32 (32 bits)>; W_9 = BIT_INSERT_EXPR <W_8, _2, 0 (32 bits)>; Into: W_9 = {_2,_2,_2,_2}; This improvement deals with bitfields but vectors have a similar issue with Bit_inserts so I deal with it there.
prev parent reply other threads:[~2021-08-14 23:27 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-09-22 7:04 [Bug tree-optimization/58497] New: " glisse at gcc dot gnu.org 2013-09-23 8:33 ` [Bug tree-optimization/58497] " rguenth at gcc dot gnu.org 2013-09-23 9:03 ` rguenth at gcc dot gnu.org 2015-10-22 13:37 ` rguenth at gcc dot gnu.org 2015-10-22 13:37 ` rguenth at gcc dot gnu.org 2021-08-14 23:27 ` pinskia at gcc dot gnu.org [this message]
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