2019-11-27  Richard Biener  <rguenther@suse.de>

	* target.def (TARGET_VECTORIZE_BUILTIN_CONVERSION): Remove.
	* targhooks.c (default_builtin_vectorized_conversion): Likewise.
	* targhooks.h (default_builtin_vectorized_conversion): Likewise.
	* optabs-tree.c (supportable_convert_operation): Do not call
	targetm.vectorize.builtin_conversion.  Remove unused decl parameter.
	* optabs-tree.h (supportable_convert_operation): Adjust.
	* doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_CONVERSION): Remove.
	* doc/tm.texi: Regenerate.
	* tree-ssa-forwprop.c (simplify_vector_constructor): Adjust.
	* tree-vect-generic.c (expand_vector_conversion): Likewise.
	* tree-vect-stmts.c (vect_gen_widened_results_half): Remove
	unused decl parameter and adjust.
	(vect_create_vectorized_promotion_stmts): Likewise.
	(vectorizable_conversion): Adjust.

From-SVN: r278765