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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/54063] [4.8 regression] on powerpc64 gcc 4.8 generates larger code for global variable accesses than gcc 4.7 Date: Tue, 04 Dec 2012 13:05:00 -0000 [thread overview] Message-ID: <bug-54063-4-m8GU6TxX2P@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-54063-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54063 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-04 13:05:05 UTC --- While the memory load is split already during reload, the set for &head is only split during split2 pass, which is after postreload_cse (and gcse2) which are the last CSE-ish passes I think. So perhaps you could tweak machine reorg pass to handle some of the easy cases, or what exactly is the reason for running split2 after postreload CSE instead of before it?
next prev parent reply other threads:[~2012-12-04 13:05 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-07-21 12:05 [Bug target/54063] New: " mikpe at it dot uu.se 2012-07-21 18:47 ` [Bug target/54063] " mikpe at it dot uu.se 2012-07-23 2:14 ` amodra at gmail dot com 2012-07-23 8:27 ` rguenth at gcc dot gnu.org 2012-09-19 13:57 ` rguenth at gcc dot gnu.org 2012-12-04 13:05 ` jakub at gcc dot gnu.org [this message] 2013-03-22 14:44 ` [Bug target/54063] [4.8/4.9 regression] on powerpc64 gcc 4.8/4.9 " jakub at gcc dot gnu.org 2013-05-31 10:58 ` jakub at gcc dot gnu.org 2013-10-16 9:49 ` jakub at gcc dot gnu.org 2013-10-25 11:10 ` rguenth at gcc dot gnu.org 2014-05-22 9:03 ` [Bug target/54063] [4.8/4.9/4.10 regression] on powerpc64 gcc 4.8/4.9/4.10 " rguenth at gcc dot gnu.org 2014-12-19 13:25 ` [Bug target/54063] [4.8/4.9/5 regression] on powerpc64 gcc 4.8/4.9/5 " jakub at gcc dot gnu.org 2015-03-24 18:47 ` steven at gcc dot gnu.org 2015-06-23 8:17 ` [Bug target/54063] [4.8/4.9/5/6 regression] on powerpc64 gcc 4.8/4.9/5/6 " rguenth at gcc dot gnu.org 2015-06-26 19:55 ` [Bug target/54063] [4.9/5/6 regression] on powerpc64 gcc 4.9/5/6 " jakub at gcc dot gnu.org 2015-06-26 20:27 ` jakub at gcc dot gnu.org 2020-03-12 11:58 ` [Bug target/54063] [8/9/10 regression] on powerpc64 gcc 4.9/8 " jakub at gcc dot gnu.org 2021-06-01 8:05 ` [Bug target/54063] [9/10/11/12 " rguenth at gcc dot gnu.org 2021-11-30 14:38 ` roger at nextmovesoftware dot com 2021-11-30 17:00 ` segher at gcc dot gnu.org 2022-05-27 9:34 ` [Bug target/54063] [10/11/12/13 " rguenth at gcc dot gnu.org 2022-06-28 10:30 ` jakub at gcc dot gnu.org 2023-04-20 8:46 ` [Bug target/54063] [10/11/12/13/14 " guihaoc at gcc dot gnu.org 2023-07-07 10:29 ` [Bug target/54063] [11/12/13/14 " rguenth at gcc dot gnu.org
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