r266620 - in /trunk/gcc: ChangeLog match.pd tes...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Nov 29 14:32:00 2018
New Revision: 266620

URL: https://gcc.gnu.org/viewcvs?rev=266620&root=gcc&view=rev
Log:
	PR target/88152
	* tree.h (build_uniform_cst, uniform_integer_cst_p): Declare.
	* tree.c (build_uniform_cst, uniform_integer_cst_p): New functions.
	* match.pd (define_predicates): Add uniform_integer_cst_p.
	(cmp @0 INTEGER_CST@1, cmp (convert?@2 @0) INTEGER_CST@1): Adjust
	so that it works also for vector comparisons with uniform constants
	with INTEGER_CST element.

	* g++.dg/tree-ssa/pr88152-1.C: New test.
	* g++.dg/tree-ssa/pr88152-2.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr88152-1.C
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr88152-2.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c
    trunk/gcc/tree.h