gcc/

	* common/config/i386/i386-common.c (OPTION_MASK_ISA_SHA_SET): New.
	(OPTION_MASK_ISA_SHA_UNSET): Ditto.
	(ix86_handle_option): Handle OPT_msha.
	* config.gcc (extra_headers): Add shaintrin.h.
	* config/i386/cpuid.h (bit_SHA): New.
	* config/i386/driver-i386.c (host_detect_local_cpu): Detect SHA
	instructions.
	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
	OPTION_MASK_ISA_SHA.
	* config/i386/i386.c (ix86_target_string): Add -msha.
	(ix86_option_override_internal): Add PTA_SHA.
	(ix86_valid_target_attribute_inner_p): Handle OPT_msha.
	(enum ix86_builtins): Add IX86_BUILTIN_SHA1MSG1,
	IX86_BUILTIN_SHA1MSG2, IX86_BUILTIN_SHA1NEXTE, IX86_BUILTIN_SHA1RNDS4,
	IX86_BUILTIN_SHA256MSG1, IX86_BUILTIN_SHA256MSG2,
	IX86_BUILTIN_SHA256RNDS2.
	(bdesc_args): Add BUILTINS defined above.
	(ix86_init_mmx_sse_builtins): Add __builtin_ia32_sha1msg1,
	__builtin_ia32_sha1msg2, __builtin_ia32_sha1nexte,
	__builtin_ia32_sha1rnds4, __builtin_ia32_sha256msg1,
	__builtin_ia32_sha256msg2, __builtin_ia32_sha256rnds2.
	(ix86_expand_args_builtin): Handle V4SI_FTYPE_V4SI_V4SI_V4SI, add
	warning for CODE_FOR_sha1rnds4.
	* config/i386/i386.h (TARGET_SHA): New.
	(TARGET_SHA_P): Ditto.
	* config/i386/i386.opt (-msha): Document it.
	* config/i386/immintrin.h: Add shaintrin.h.
	* config/i386/shaintrin.h: New.
	* config/i386/sse.md (unspec): Add UNSPEC_SHA1MSG1, UNSPEC_SHA1MSG2,
	UNSPEC_SHA1NEXTE, UNSPEC_SHA1RNDS4, UNSPEC_SHA256MSG1,
	UNSPEC_SHA256MSG2, UNSPEC_SHA256RNDS2.
	(sha1msg1): New.
	(sha1msg2): Ditto.
	(sha1nexte): Ditto.
	(sha1rnds4): Ditto.
	(sha256msg1): Ditto.
	(sha256msg2): Ditto.
	(sha256rnds2): Ditto.
	* doc/invoke.texi: Add -msha.

testsuite/

	* gcc.target/i386/avx-1.c: Add define for __builtin_ia32_sha1rnds4.
	* gcc.target/i386/i386.exp (check_effective_target_sha): New.
	* gcc.target/i386/sha-check.h: New file.
	* gcc.target/i386/sha1msg1-1.c: Ditto.
	* gcc.target/i386/sha1msg1-2.c: Ditto.
	* gcc.target/i386/sha1msg2-1.c: Ditto.
	* gcc.target/i386/sha1msg2-2.c: Ditto.
	* gcc.target/i386/sha1nexte-1: Ditto.
	* gcc.target/i386/sha1nexte-2: Ditto.
	* gcc.target/i386/sha1rnds4-1.c: Ditto.
	* gcc.target/i386/sha1rnds4-2.c: Ditto.
	* gcc.target/i386/sha256msg1-1.c: Ditto.
	* gcc.target/i386/sha256msg1-2.c: Ditto.
	* gcc.target/i386/sha256msg2-1.c: Ditto.
	* gcc.target/i386/sha256msg2-2.c: Ditto.
	* gcc.target/i386/sha256rnds2-1.c: Ditto.
	* gcc.target/i386/sha256rnds2-2.c: Ditto.
	* gcc.target/i386/sse-13.c: Add __builtin_ia32_sha1rnds4.
	* gcc.target/i386/sse-14.c: Add _mm_sha1rnds4_epu32.
	* gcc.target/i386/sse-22.c: Ditto.
	* gcc.target/i386/sse-23.c: Add __builtin_ia32_sha1rnds4.


Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Anna Tikhonova <anna.tikhonova@intel.com>
Co-Authored-By: Ilya Tocar <ilya.tocar@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Kirill Yukhin <kirill.yukhin@intel.com>
Co-Authored-By: Maxim Kuznetsov <maxim.kuznetsov@intel.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>
Co-Authored-By: Sergey Lega <sergey.s.lega@intel.com>

From-SVN: r206263