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r249499 - in /branches/gcc-6-branch/gcc: Change...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 22 Jun 2017 07:30:05 -0000
- Subject: r249499 - in /branches/gcc-6-branch/gcc: Change...
Author: rguenth
Date: Thu Jun 22 07:30:03 2017
New Revision: 249499
URL: https://gcc.gnu.org/viewcvs?rev=249499&root=gcc&view=rev
Log:
2017-06-22 Richard Biener <rguenther@suse.de>
Backport from mainline
2017-04-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/80453
* tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
* tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
from the conditions.
(vn_phi_eq): Pass them down.
(vn_phi_lookup): Record them.
(vn_phi_insert): Likewise.
2017-04-07 Richard Biener <rguenther@suse.de>
PR middle-end/80341
* tree.c (get_unwidened): Also handle ! for_type case for
INTEGER_CSTs.
* convert.c (do_narrow): Split out from ...
(convert_to_integer_1): ... here. Do not pass final truncation
type to get_unwidened for TRUNC_DIV_EXPR.
* gcc.dg/torture/pr80341.c: New testcase.
2017-04-04 Richard Biener <rguenther@suse.de>
PR middle-end/80281
* match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
arithmetic done for the negate or the plus. Simplify.
(A - (-B) -> A + B): Likewise.
* fold-const.c (split_tree): Make sure to not negate pointers.
* gcc.dg/torture/pr80281.c: New testcase.
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/convert.c
branches/gcc-6-branch/gcc/fold-const.c
branches/gcc-6-branch/gcc/match.pd
branches/gcc-6-branch/gcc/testsuite/ChangeLog
branches/gcc-6-branch/gcc/tree-ssa-sccvn.c
branches/gcc-6-branch/gcc/tree-ssa-sccvn.h
branches/gcc-6-branch/gcc/tree.c