r238084 - in /branches/gcc-5-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Jul  7 10:33:01 2016
New Revision: 238084

URL: https://gcc.gnu.org/viewcvs?rev=238084&root=gcc&view=rev
Log:
2016-07-07  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2016-06-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/71423
	* match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
	for signed ops.

	* gcc.dg/torture/pr71423.c: New testcase.

	2016-06-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71452
	* tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
	type used for the SSA rewrite has enough precision to cover
	the dynamic type of the location.

	* gcc.dg/torture/pr71452.c: New testcase.

	2016-06-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71522
	* tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
	copying into float copying.

	* gcc.dg/torture/pr71522.c: New testcase.

Added:
    branches/gcc-5-branch/gcc/testsuite/g++.dg/torture/pr71452.C
    branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr71423.c
    branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr71452.c
    branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr71522.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/match.pd
    branches/gcc-5-branch/gcc/testsuite/ChangeLog
    branches/gcc-5-branch/gcc/tree-ssa.c