[Bug tree-optimization/62031] [4.8 Regression] Different results between O2 and O2 -fpredictive-commoning
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Jun 3 13:50:00 GMT 2015
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62031
--- Comment #20 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jun 3 13:50:11 2015
New Revision: 224081
URL: https://gcc.gnu.org/viewcvs?rev=224081&root=gcc&view=rev
Log:
2015-06-03 Richard Biener <rguenther@suse.de>
Backport from mainline
2015-05-26 Michael Matz <matz@suse.de>
PR middle-end/66251
* tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Always set
STMT_VINFO_VEC_STMT, also with SLP.
* gcc.dg/vect/pr66251.c: New test.
2015-05-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/66251
* tree-vect-stmts.c (vectorizable_conversion): Properly
set STMT_VINFO_VEC_STMT even for the SLP case.
* gfortran.fortran-torture/compile/pr66251.f90: New testcase.
2015-03-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/65518
* tree-vect-stmts.c (vectorizable_load): Reject single-element
interleaving cases we generate absymal code for.
* gcc.dg/vect/pr65518.c: New testcase.
2015-05-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/66123
* tree-ssa-dom.c (propagate_rhs_into_lhs): Check if we found
a taken edge.
* gcc.dg/torture/pr66123.c: New testcase.
2015-05-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/66272
Revert parts of
2014-08-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/62031
* tree-data-ref.c (dr_analyze_indices): Do not set
DR_UNCONSTRAINED_BASE.
(dr_may_alias_p): All indirect accesses have to go the
formerly DR_UNCONSTRAINED_BASE path.
* tree-data-ref.h (struct indices): Remove
unconstrained_base member.
(DR_UNCONSTRAINED_BASE): Remove.
* gcc.dg/torture/pr66272.c: New testcase.
Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr66123.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr66272.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr65518.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr66251.c
branches/gcc-4_8-branch/gcc/testsuite/gfortran.fortran-torture/compile/pr66251.f90
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
branches/gcc-4_8-branch/gcc/tree-data-ref.c
branches/gcc-4_8-branch/gcc/tree-data-ref.h
branches/gcc-4_8-branch/gcc/tree-ssa-dom.c
branches/gcc-4_8-branch/gcc/tree-vect-stmts.c
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