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* [Bug c/44024] New: missed optimization @ 2010-05-07 13:15 espindola at gcc dot gnu dot org 2010-05-07 13:46 ` [Bug c/44024] " rguenth at gcc dot gnu dot org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: espindola at gcc dot gnu dot org @ 2010-05-07 13:15 UTC (permalink / raw) To: gcc-bugs The commit http://gcc.gnu.org/viewcvs?view=revision&revision=122551 changed gcc's behaviour in ----------------------------- int bar(); int a = ((void *) bar) != 0; -------------------------------- We used to accept it, but now we produce test.c:2: error: initializer element is not constant The new behaviour is actually the correct one, but it points out that the change had unintentional effects. Richard asked me to create his bug for him to investigate. -- Summary: missed optimization Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: rguenther at suse dot de ReportedBy: espindola at gcc dot gnu dot org GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44024 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/44024] missed optimization 2010-05-07 13:15 [Bug c/44024] New: missed optimization espindola at gcc dot gnu dot org @ 2010-05-07 13:46 ` rguenth at gcc dot gnu dot org 2010-05-09 18:17 ` rguenth at gcc dot gnu dot org 2010-05-09 18:18 ` rguenth at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-07 13:46 UTC (permalink / raw) To: gcc-bugs -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|rguenther at suse dot de |rguenth at gcc dot gnu dot | |org Status|UNCONFIRMED |ASSIGNED Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-05-07 13:46:07 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44024 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/44024] missed optimization 2010-05-07 13:15 [Bug c/44024] New: missed optimization espindola at gcc dot gnu dot org 2010-05-07 13:46 ` [Bug c/44024] " rguenth at gcc dot gnu dot org @ 2010-05-09 18:17 ` rguenth at gcc dot gnu dot org 2010-05-09 18:18 ` rguenth at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-09 18:17 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from rguenth at gcc dot gnu dot org 2010-05-09 18:17 ------- Fixed. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.6.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44024 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug c/44024] missed optimization 2010-05-07 13:15 [Bug c/44024] New: missed optimization espindola at gcc dot gnu dot org 2010-05-07 13:46 ` [Bug c/44024] " rguenth at gcc dot gnu dot org 2010-05-09 18:17 ` rguenth at gcc dot gnu dot org @ 2010-05-09 18:18 ` rguenth at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-05-09 18:18 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rguenth at gcc dot gnu dot org 2010-05-09 18:17 ------- Subject: Bug 44024 Author: rguenth Date: Sun May 9 18:17:33 2010 New Revision: 159205 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159205 Log: 2010-05-09 Richard Guenther <rguenther@suse.de> PR middle-end/44024 * fold-const.c (tree_single_nonzero_warnv_p): Properly handle &FUNCTION_DECL. * gcc.dg/pr44024.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/pr44024.c Modified: trunk/gcc/ChangeLog trunk/gcc/fold-const.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44024 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2010-05-09 18:18 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-05-07 13:15 [Bug c/44024] New: missed optimization espindola at gcc dot gnu dot org 2010-05-07 13:46 ` [Bug c/44024] " rguenth at gcc dot gnu dot org 2010-05-09 18:17 ` rguenth at gcc dot gnu dot org 2010-05-09 18:18 ` rguenth at gcc dot gnu dot org
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