gcc/ChangeLog:

gcc/ChangeLog:

2017-01-16  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
	for built-in functions
	vector signed char vec_nabs (vector signed char)
	vector signed short vec_nabs (vector signed short)
	vector signed int vec_nabs (vector signed int)
	vector signed long long vec_nabs (vector signed long long)
	vector float vec_nabs (vector float)
	vector double vec_nabs (vector double)
	* config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
	and NABS overload.
	* config/rs6000/altivec.md: New define_expand nabs<mode>2 types
	* config/rs6000/altivec.h: New define for vec_nabs built-in function.
	* doc/extend.texi: Update the documentation file for the new built-in
	functions.

gcc/testsuite/ChangeLog:

2017-01-16  Carl Love  <cel@us.ibm.com>

	* gcc.target/powerpc/builtins-3.c: New vec_nabs testcase.
	* gcc.target/powerpc/builtins-3-p8.c: New vec_nabs testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244501 138bc75d-0d04-0410-961f-82ee72b054a4