2019-05-17  Richard Biener  <rguenther@suse.de>

	c/
	* gimple-parser.c (c_parser_gimple_statement): Handle __VEC_PERM.
	(c_parser_gimple_unary_expression): Likewise.
	(c_parser_gimple_parentized_ternary_expression): New function.

	* gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
	VEC_PERM_EXPR as __VEC_PERM with -gimple.

	* gcc.dg/gimplefe-41.c: New testcase.

From-SVN: r271320