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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/46888] missed optimization of zero_extract with constant inputs Date: Fri, 12 Oct 2012 08:49:00 -0000 [thread overview] Message-ID: <bug-46888-4-LdnxVvbL6M@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-46888-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46888 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #28428|0 |1 is obsolete| | --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-10-12 08:49:35 UTC --- Created attachment 28431 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28431 New patch Still does not fix the ARM case but similar thing can be done for the three combine case. It does fix the mips case which I was looking into; though really there should be only one insert and no shift.
next prev parent reply other threads:[~2012-10-12 8:49 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-12-10 16:59 [Bug rtl-optimization/46888] New: " ams at gcc dot gnu.org 2010-12-10 17:02 ` [Bug rtl-optimization/46888] " ams at gcc dot gnu.org 2010-12-10 19:42 ` pinskia at gcc dot gnu.org 2010-12-13 21:37 ` pinskia at gcc dot gnu.org 2012-10-12 8:08 ` pinskia at gcc dot gnu.org 2012-10-12 8:23 ` pinskia at gcc dot gnu.org 2012-10-12 8:49 ` pinskia at gcc dot gnu.org [this message] 2012-10-12 8:51 ` pinskia at gcc dot gnu.org 2012-11-13 1:19 ` pinskia at gcc dot gnu.org 2022-12-01 0:02 ` pinskia at gcc dot gnu.org
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