invoke.texi (-mveclibabi): Document new target option.

invoke.texi (-mveclibabi): Document new target option.

2007-08-30  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (-mveclibabi): Document new target option.
	* config/i386/i386.opt (-mveclibabi): New target option.
	* config/i386/i386.c (ix86_veclib_handler): Handler for
	vectorization library support.
	(override_options): Handle the -mveclibabi option, initialize
	the vectorization library handler.
	(ix86_builtin_vectorized_function): As fallback call the
	vectorization library handler, if set.
	(ix86_veclibabi_acml): New static function for ACML ABI style
	vectorization support.

	* gcc.target/i386/vectorize5.c: New testcase.

From-SVN: r127926