Implement support for AArch64 Crypto SHA1.

Implement support for AArch64 Crypto SHA1.

gcc/
	* config/aarch64/aarch64-simd-builtins.def: Update builtins table.
	* config/aarch64/aarch64-builtins.c (aarch64_types_ternopu_qualifiers,
	TYPES_TERNOPU): New.
	* config/aarch64/aarch64-simd.md (aarch64_crypto_sha1hsi,
	aarch64_crypto_sha1su1v4si, aarch64_crypto_sha1<sha1_op>v4si,
	aarch64_crypto_sha1su0v4si): New.
	* config/aarch64/arm_neon.h (vsha1cq_u32, sha1mq_u32, vsha1pq_u32,
	vsha1h_u32, vsha1su0q_u32, vsha1su1q_u32): New.
	* config/aarch64/iterators.md (UNSPEC_SHA1<CPMH>, UNSPEC_SHA1SU<01>):
	New.
	(CRYPTO_SHA1): New int iterator.
	(sha1_op): New int attribute.

testsuite/
	* gcc.target/aarch64/sha1_1.c: New.

From-SVN: r206118