[AArch64] Idiomatic 64x1 comparisons in arm_neon.h
gcc/:
* config/aarch64/arm_neon.h (vceq_s64, vceq_u64, vceqz_s64, vceqz_u64,
vcge_s64, vcge_u64, vcgez_s64, vcgt_s64, vcgt_u64, vcgtz_s64, vcle_s64,
vcle_u64, vclez_s64, vclt_s64, vclt_u64, vcltz_s64, vtst_s64,
vtst_u64): Rewrite using gcc vector extensions.
gcc/testsuite/:
* gcc.target/aarch64/singleton_intrinsics_1.c: Generalize regex to
allow cmlt or sshr.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@222909 138bc75d-0d04-0410-961f-82ee72b054a4