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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/49768] [4.6/4.7 Regression] C99 style union initializations does not work as expected with optimizations Date: Mon, 18 Jul 2011 12:48:00 -0000 [thread overview] Message-ID: <bug-49768-4-29Xum475kK@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-49768-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49768 --- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-07-18 12:47:36 UTC --- Created attachment 24787 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24787 gcc47-pr49768.patch The easier fix attached. The more complicated would probably mean if we see possible overlaps keeping recurding on all overlapping feelds and if the result from them is INTEGER_CST, shift, mask and or them together.
next prev parent reply other threads:[~2011-07-18 12:48 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-07-17 10:41 [Bug c/49768] New: " vrahkone at gmail dot com 2011-07-17 12:47 ` [Bug c/49768] " mikpe at it dot uu.se 2011-07-17 18:23 ` mikpe at it dot uu.se 2011-07-17 22:01 ` [Bug c/49768] [4.6/4.7 Regression] " jakub at gcc dot gnu.org 2011-07-17 22:11 ` jakub at gcc dot gnu.org 2011-07-18 8:48 ` rguenth at gcc dot gnu.org 2011-07-18 12:48 ` jakub at gcc dot gnu.org [this message] 2011-07-19 9:24 ` [Bug tree-optimization/49768] " jakub at gcc dot gnu.org 2011-07-19 9:41 ` jakub at gcc dot gnu.org 2011-07-19 9:42 ` jakub at gcc dot gnu.org 2011-08-04 13:45 ` vrahkone at gmail dot com 2011-08-24 10:37 ` sebastian.huber@embedded-brains.de
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