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[Bug tree-optimization/77648] [5 Regression] Setting conversion to a integer to double to 0 3/4 through a loop
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 24 Jan 2017 11:31:17 +0000
- Subject: [Bug tree-optimization/77648] [5 Regression] Setting conversion to a integer to double to 0 3/4 through a loop
- Auto-submitted: auto-generated
- References: <bug-77648-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77648
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 24 11:30:44 2017
New Revision: 244864
URL: https://gcc.gnu.org/viewcvs?rev=244864&root=gcc&view=rev
Log:
2017-01-24 Richard Biener <rguenther@suse.de>
Backport from mainline
2016-09-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/77646
* tree-ssa-sccvn.c (visit_reference_op_call): Always value-number
a VDEF.
* gcc.dg/torture/pr77646.c: New testcase.
2016-11-05 David Edelsohn <dje.gcc@gmail.com>
Richard Biener <rguenther@suse.de>
PR bootstrap/78188
PR c++/71848
* ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.
* g++.dg/ipa/pr78188.C: New test.
2016-09-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/77648
* tree-ssa-structalias.c (process_constraint): Handle all DEREF
with complex RHS.
(make_transitive_closure_constraints): Adjust comment.
(make_any_offset_constraints): New function.
(handle_rhs_call): Make sure to first expand a pointer to all
subfields before transitively closing it.
(handle_const_call): Likewise. Properly expand returned
pointers as well.
(handle_pure_call): Likewise.
* gcc.dg/torture/pr77648-1.c: New testcase.
* gcc.dg/torture/pr77648-2.c: Likewise.
2016-10-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/77879
* tree-ssa-structalias.c (handle_const_call): Properly handle
NRV return slots.
(handle_pure_call): Likewise.
Added:
branches/gcc-5-branch/gcc/testsuite/g++.dg/ipa/pr78188.C
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr77646.c
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr77648-1.c
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr77648-2.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/ipa-comdats.c
branches/gcc-5-branch/gcc/testsuite/ChangeLog
branches/gcc-5-branch/gcc/tree-ssa-sccvn.c
branches/gcc-5-branch/gcc/tree-ssa-structalias.c