r246054 - in /trunk/gcc: ChangeLog tree-vrp.c

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Mar 10 19:47:44 2017
New Revision: 246054

URL: https://gcc.gnu.org/viewcvs?rev=246054&root=gcc&view=rev
Log:
	PR tree-optimization/79981
	* tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
	ATOMIC_COMPARE_EXCHANGE ifn result.
	(stmt_interesting_for_vrp, vrp_visit_stmt): Handle
	IFN_ATOMIC_COMPARE_EXCHANGE.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c