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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/50204] New: [4.5/4.6/4.7 Regression] Missed fully redundant load found in crafty (SPEC 2k) Date: Fri, 26 Aug 2011 22:07:00 -0000 [thread overview] Message-ID: <bug-50204-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50204 Bug #: 50204 Summary: [4.5/4.6/4.7 Regression] Missed fully redundant load found in crafty (SPEC 2k) Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: pinskia@gcc.gnu.org Simplified testcase: extern int opening; extern int middle_game; int s; extern int d[1]; void PreEvaluate(int wtm) { int i, j; if (opening) { d[0]=1; } else if (middle_game) { d[0]=-1; } if (4 != opening) { return; } s = 1; } --- CUT --- 4.3 catches the load of opening but 4.6 does not (4.5 does not either).
next reply other threads:[~2011-08-26 22:06 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-26 22:07 pinskia at gcc dot gnu.org [this message] 2011-08-26 22:17 ` [Bug tree-optimization/50204] " pinskia at gcc dot gnu.org 2011-08-27 8:19 ` rguenth at gcc dot gnu.org 2011-08-29 7:02 ` pinskia at gcc dot gnu.org 2011-08-29 7:39 ` rguenth at gcc dot gnu.org 2011-08-29 8:05 ` rguenth at gcc dot gnu.org 2011-10-10 12:30 ` rguenth at gcc dot gnu.org 2011-10-10 19:59 ` pinskia at gcc dot gnu.org 2011-10-10 20:49 ` rguenther at suse dot de 2011-10-10 20:51 ` pinskia at gcc dot gnu.org 2011-10-11 9:02 ` rguenth at gcc dot gnu.org 2011-10-11 11:58 ` rguenth at gcc dot gnu.org 2011-10-11 11:58 ` [Bug tree-optimization/50204] [4.5/4.6 " rguenth at gcc dot gnu.org
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