r261927 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Jun 22 20:46:37 2018
New Revision: 261927

URL: https://gcc.gnu.org/viewcvs?rev=261927&root=gcc&view=rev
Log:
	Backported from mainline
	2018-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/84841
	* tree-ssa-reassoc.c (INTEGER_CONST_TYPE): Change to 1 << 4 from
	1 << 3.
	(FLOAT_ONE_CONST_TYPE): Define.
	(constant_type): Return FLOAT_ONE_CONST_TYPE for -1.0 and 1.0.
	(sort_by_operand_rank): Put entries with higher constant_type last
	rather than first to match comments.

	* gcc.dg/pr84841.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr84841.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/tree-ssa-reassoc.c