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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/64277] [4.9 Regression] Incorrect warning "array subscript is above array bounds" Date: Thu, 19 Feb 2015 14:14:00 -0000 [thread overview] Message-ID: <bug-64277-4-J0HRFKjAkr@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-64277-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64277 --- Comment #20 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Feb 19 14:13:16 2015 New Revision: 220815 URL: https://gcc.gnu.org/viewcvs?rev=220815&root=gcc&view=rev Log: 2015-02-19 Richard Biener <rguenther@suse.de> Backport from mainline 2014-12-09 Richard Biener <rguenther@suse.de> PR middle-end/64199 * fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P. * gcc.dg/torture/pr64199.c: New testcase. 2015-01-14 Richard Biener <rguenther@suse.de> PR tree-optimization/64493 PR tree-optimization/64495 * tree-vect-loop.c (vect_finalize_reduction): For double-reductions assign the proper vectorized PHI to the inner loop exit PHIs. * gcc.dg/vect/pr64493.c: New testcase. * gcc.dg/vect/pr64495.c: Likewise. 2015-01-27 Richard Biener <rguenther@suse.de> PR tree-optimization/56273 PR tree-optimization/59124 PR tree-optimization/64277 * tree-vrp.c (vrp_finalize): Emit array-bound warnings only from the first VRP pass. * g++.dg/warn/Warray-bounds-6.C: New testcase. * gcc.dg/Warray-bounds-12.c: Likewise. * gcc.dg/Warray-bounds-13.c: Likewise. 2015-02-19 Richard Biener <rguenther@suse.de> Backport from mainline 2015-01-15 Richard Biener <rguenther@suse.de> PR middle-end/64365 * tree-data-ref.c (dr_analyze_indices): Make sure that accesses for MEM_REF access functions with the same base can never partially overlap. * gcc.dg/torture/pr64365.c: New testcase. Added: branches/gcc-4_9-branch/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/Warray-bounds-12.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/Warray-bounds-13.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr64199.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr64365.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr64493.c branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr64495.c Modified: branches/gcc-4_9-branch/gcc/ChangeLog branches/gcc-4_9-branch/gcc/fold-const.c branches/gcc-4_9-branch/gcc/testsuite/ChangeLog branches/gcc-4_9-branch/gcc/tree-data-ref.c branches/gcc-4_9-branch/gcc/tree-vect-loop.c branches/gcc-4_9-branch/gcc/tree-vrp.c
next prev parent reply other threads:[~2015-02-19 14:14 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-12-11 20:42 [Bug tree-optimization/64277] New: [4.9/5.0 " aivchenk at gmail dot com 2014-12-12 9:36 ` [Bug tree-optimization/64277] " rguenth at gcc dot gnu.org 2014-12-23 17:35 ` izamyatin at gmail dot com 2014-12-23 20:19 ` manu at gcc dot gnu.org 2014-12-23 20:58 ` aivchenk at gmail dot com 2015-01-12 8:50 ` izamyatin at gmail dot com 2015-01-15 9:05 ` izamyatin at gmail dot com 2015-01-21 15:02 ` [Bug tree-optimization/64277] [4.9/5 " izamyatin at gmail dot com 2015-01-26 12:33 ` enkovich.gnu at gmail dot com 2015-01-26 12:33 ` enkovich.gnu at gmail dot com 2015-01-26 12:43 ` rguenth at gcc dot gnu.org 2015-01-26 13:34 ` rguenth at gcc dot gnu.org 2015-01-26 13:51 ` enkovich.gnu at gmail dot com 2015-01-26 15:08 ` enkovich.gnu at gmail dot com 2015-01-27 9:51 ` rguenth at gcc dot gnu.org 2015-01-27 9:52 ` [Bug tree-optimization/64277] [4.9 " rguenth at gcc dot gnu.org 2015-01-27 10:04 ` rguenth at gcc dot gnu.org 2015-01-27 11:04 ` rguenth at gcc dot gnu.org 2015-01-28 11:42 ` ienkovich at gcc dot gnu.org 2015-01-28 22:15 ` rth at gcc dot gnu.org 2015-02-19 14:14 ` rguenth at gcc dot gnu.org [this message] 2015-02-19 14:15 ` rguenth at gcc dot gnu.org 2015-02-24 13:05 ` rguenth at gcc dot gnu.org 2015-04-16 12:03 ` rguenth at gcc dot gnu.org
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