altivec-12.c (main): Add tests for vec_avg.

altivec-12.c (main): Add tests for vec_avg.

gcc/testsuite/ChangeLog:

2017-12-07  Carl Love  <cel@us.ibm.com>

	* gcc.target/powerpc/altivec-12.c (main):  Add tests for vec_avg.
	* gcc.target/powerpc/builtins-1.c: Renamed builtins-1.h.
	* gcc.target/powerpc/builtins-1.h: Add tests for vec_and,
	vec_andc, vec_cpsgn, vec_mergeh,vec_mergel, vec_nor, vec_or,
	vec_sel, vec_xor, vec_all_eq, vec_all_ge, vec_all_gt, vec_all_le,
	vec_all_lt, vec_all_ne,	vec_any_eq,vec_any_ge, vec_any_gt,vec_any_le,
	vec_any_lt, vec_any_ne, vec_cntlz, vec_round, vec_rsqrt, vec_rsqrte,
	vec_splat, vec_div, vec_mul,vec_ctf, vec_cts, vec_ctu.
	* gcc.target/powerpc/builtins-1-be.c: New file, big endian
	test file for tests in builtins-1.h.
	* gcc.target/powerpc/builtins-1-le.c: New file, little endian
	test file for tests in builtins-1.h.
	* gcc.target/powerpc/builtins-2.c (main): Add tests for vec_ctf,
	vec_cts, vec_ctu.
	* gcc.target/powerpc/builtins-3-runnable.c (test_result_sp): Fix printf
	conversion character.
 	* gcc.target/powerpc/fold-vec-minmax-char.c (test1_min, test2_min,
	test4_min, test1_max, test2_max): Add tests for vec_max and vec_min.
 	* gcc.target/powerpc/fold-vec-minmax-int.c (test4_min, test5_min,
	test7_min, test8_min): Add tests for vec_min.
 	* gcc.target/powerpc/fold-vec-minmax-longlong.c (test7_max, test8_max,
	test9_max, test10_max): Add tests for and vec_max.
 	* gcc.target/powerpc/fold-vec-minmax-short.c (test4_min, test5_min,
	tes7_min, test8_min): Add tests for and vec_min.
 	* gcc.target/powerpc/p8vector-builtin-8.c (foo): Add test for vec_adds,
	vec_subs, vec_sum2s, vec_sum4s.
 	* gcc.target/powerpc/vsx-splats-p8.c: New file to test vec_splats.
	* gcc.target/vsx-vector-5.c (arg1_tests_d, arg1_tests_d): Add
	tests for vec_ceil, vec_floor, vec_nearbyint, vec_sqrt.
	* gcc.target/vsx-vector-7.c (foo): Add tests for vec_sel.
	* gcc.target/vsx-vector-abss.c: New file to test vec_abss.

From-SVN: r255556