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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/61452] [4.8 Regression] hang at -O1 and -Os on x86_64-linux-gnu Date: Tue, 09 Sep 2014 14:46:00 -0000 [thread overview] Message-ID: <bug-61452-4-eBz0lnYFzq@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-61452-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61452 --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Tue Sep 9 14:45:57 2014 New Revision: 215081 URL: https://gcc.gnu.org/viewcvs?rev=215081&root=gcc&view=rev Log: 2014-09-09 Richard Biener <rguenther@suse.de> Backport from mainline 2014-06-11 Richard Biener <rguenther@suse.de> PR tree-optimization/61452 * tree-ssa-sccvn.c (visit_phi): Remove pointless setting of expr and has_constants in case we found a leader. (simplify_binary_expression): Always valueize operands first. (simplify_unary_expression): Likewise. * gcc.dg/torture/pr61452.c: New testcase. Added: branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr61452.c Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/testsuite/ChangeLog branches/gcc-4_8-branch/gcc/tree-ssa-sccvn.c
prev parent reply other threads:[~2014-09-09 14:46 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-06-09 0:50 [Bug tree-optimization/61452] New: " su at cs dot ucdavis.edu 2014-06-10 11:15 ` [Bug tree-optimization/61452] [4.8/4.9/4.10 Regression] " rguenth at gcc dot gnu.org 2014-06-11 11:17 ` rguenth at gcc dot gnu.org 2014-06-11 11:18 ` rguenth at gcc dot gnu.org 2014-06-11 11:19 ` [Bug tree-optimization/61452] [4.8 " rguenth at gcc dot gnu.org 2014-09-09 14:46 ` rguenth at gcc dot gnu.org 2014-09-09 14:46 ` rguenth at gcc dot gnu.org [this message]
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