rs6000-c: Add support for built-in functions vector unsigned char vec_popcnt (vector...

rs6000-c: Add support for built-in functions vector unsigned char vec_popcnt (vector...

gcc/ChangeLog:

2017-05-11  Carl Love  <cel@us.ibm.com>

	* config/rs6000/rs6000-c: Add support for built-in functions
	vector unsigned char vec_popcnt (vector signed char)
	vector unsigned char vec_popcnt (vector unsigned char)
	vector unsigned short vec_popcnt (vector signed short)
	vector unsigned short vec_popcnt (vector unsigned short)
	vector unsigned int vec_popcnt (vector signed int)
	vector unsigned int vec_popcnt (vector unsigned int)
	vector unsigned long long vec_popcnt (vector signed long long)
	vector unsigned long long vec_popcnt (vector unsigned long long)
	vector signed long long vec_slo (vector signed long long,
                                         vector signed char)
	vector signed long long vec_slo (vector signed long long,
                                         vector unsigned char)
	vector unsigned long long vec_slo (vector unsigned long long,
                                           vector signed char)
	vector unsigned long long vec_slo (vector unsigned long long,
                                           vector unsigned char)
	* config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
	VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
	* config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
	vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
	* doc/extend.texi: Update the built-in documentation file for the
	new built-in functions.

gcc/testsuite/ChangeLog:

2017-05-11  Carl Love  <cel@us.ibm.com>

	* gcc.target/powerpc/builtins-3-p8.c: Add tests for the new built-ins
	to the test suite file.
	* gcc.target/powerpc/builtins-3.c: Add tests for the new built-ins
	to the test suite file.

From-SVN: r247933