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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/66652] try_transform_to_exit_first_loop_alt generates incorrect loop Date: Tue, 30 Jun 2015 09:58:00 -0000 [thread overview] Message-ID: <bug-66652-4-N393NQjZst@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-66652-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66652 --- Comment #7 from vries at gcc dot gnu.org --- Author: vries Date: Tue Jun 30 09:57:20 2015 New Revision: 225166 URL: https://gcc.gnu.org/viewcvs?rev=225166&root=gcc&view=rev Log: Backport transform_to_exit_first_loop_alt-related patches 2015-06-30 Tom de Vries <tom@codesourcery.com> backport from trunk: 2015-06-30 Tom de Vries <tom@codesourcery.com> PR tree-optimization/66652 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use max_loop_iterations to determine if nit + 1 overflows. * testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c (f): Rewrite using restrict pointers. (main): Add arguments to calls to f. * testsuite/libgomp.c/parloops-exit-first-loop-alt.c: Same. * gcc.dg/parloops-exit-first-loop-alt-pr66652.c: New test. * gcc.dg/parloops-exit-first-loop-alt-3.c (f): Rewrite using restrict pointers. * gcc.dg/parloops-exit-first-loop-alt.c: Same. 2015-06-29 Tom de Vries <tom@codesourcery.com> * tree-parloops.c (try_transform_to_exit_first_loop_alt): Simplify function structure. 2015-06-23 Tom de Vries <tom@codesourcery.com> * testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c (main): Use abort. * testsuite/libgomp.c/parloops-exit-first-loop-alt-4.c (main): Same. 2015-06-22 Tom de Vries <tom@codesourcery.com> * tree-parloops.c (transform_to_exit_first_loop_alt): Add update_stmt for cond_stmt. 2015-06-13 Tom de Vries <tom@codesourcery.com> * gcc.dg/parloops-exit-first-loop-alt-4.c: New test. * testsuite/libgomp.c/parloops-exit-first-loop-alt-4.c: New test. * testsuite/libgomp.c/parloops-exit-first-loop-alt-2.c: Add comment. * testsuite/libgomp.c/parloops-exit-first-loop-alt.c: Same. * testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c: Add comment. (N): Define. (main): Use N instead of hardcoded constants. * gcc.dg/parloops-exit-first-loop-alt-2.c: Add comment. (main): Remove superfluous attributes. * gcc.dg/parloops-exit-first-loop-alt-3.c: Same. * gcc.dg/parloops-exit-first-loop-alt.c: Same. Added: branches/gomp-4_0-branch/gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt-4.c - copied, changed from r225165, branches/gomp-4_0-branch/gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt-3.c branches/gomp-4_0-branch/gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt-pr66652.c branches/gomp-4_0-branch/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-4.c - copied, changed from r225165, branches/gomp-4_0-branch/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c Modified: branches/gomp-4_0-branch/gcc/ChangeLog.gomp branches/gomp-4_0-branch/gcc/testsuite/ChangeLog.gomp branches/gomp-4_0-branch/gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt-2.c branches/gomp-4_0-branch/gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt-3.c branches/gomp-4_0-branch/gcc/testsuite/gcc.dg/parloops-exit-first-loop-alt.c branches/gomp-4_0-branch/gcc/tree-parloops.c branches/gomp-4_0-branch/libgomp/ChangeLog.gomp branches/gomp-4_0-branch/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-2.c branches/gomp-4_0-branch/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c branches/gomp-4_0-branch/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt.c
prev parent reply other threads:[~2015-06-30 9:58 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-66652-4@http.gcc.gnu.org/bugzilla/> 2015-06-25 12:37 ` vries at gcc dot gnu.org 2015-06-27 5:52 ` vries at gcc dot gnu.org 2015-06-29 11:41 ` vries at gcc dot gnu.org 2015-06-29 14:41 ` vries at gcc dot gnu.org 2015-06-30 8:36 ` vries at gcc dot gnu.org 2015-06-30 8:39 ` vries at gcc dot gnu.org 2015-06-30 9:58 ` vries at gcc dot gnu.org [this message]
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