[PATCH 1/2] AVX10.2: Support media instructions

[PATCH 1/2] AVX10.2: Support media instructions

gcc/ChangeLog

	* config.gcc: Add avx10_2mediaintrin.h and
	avx10_2-512mediaintrin.h.
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/i386-builtins.cc (def_builtin): Handle shared
	builtins between AVXVNNIINT8 and AVX10.2.
	* config/i386/i386-expand.cc (ix86_check_builtin_isa_match):
	Ditto.
	* config/i386/immintrin.h: Include avx10_2mediaintrin.h and
	avx10_2-512mediaintrin.h
	* config/i386/sse.md: (VI4_AVX10_2): New.
	(vpdp<vpdotprodtype>_<mode>): Add AVX10_2_256.
	(vpdp<vpdotprodtype>_v16si): New define_insn.
	(vpdp<vpdotprodtype>_<mode>_mask): Ditto.
	(*vpdp<vpdotprodtype>_<mode>_maskz): Ditto.
	(vpdp<vpdotprodtype>_<mode>_maskz): New expander.
	* config/i386/avx10_2-512mediaintrin.h: New file.
	* config/i386/avx10_2mediaintrin.h: Ditto.

gcc/testsuite/ChangeLog

	* gcc.target/i386/avx512f-helper.h: Reuse AVX512F macros
	for AVX10.
	* gcc.target/i386/funcspec-56.inc: Add new target attribute.
	* lib/target-supports.exp
	(check_effective_target_avx10_2): New.
	(check_effective_target_avx10_2_512): Ditto.
	* gcc.target/i386/avx10-check.h: New test file.
	* gcc.target/i386/avx10-helper.h: Ditto.
	* gcc.target/i386/avx10_2-builtin-1.c: Ditto.
	* gcc.target/i386/avx10_2-512-media-1.c: Ditto.
	* gcc.target/i386/avx10_2-media-1.c: Ditto..
	* gcc.target/i386/avxvnniint8-builtin.c: Ditto.
	* gcc.target/i386/avx10_2-512-vpdpbssd-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vpdpbssds-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vpdpbsud-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vpdpbsuds-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vpdpbuud-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vpdpbuuds-2.c: Ditto.
	* gcc.target/i386/avx10_2-vpdpbssd-2.c: Ditto.
	* gcc.target/i386/avx10_2-vpdpbssds-2.c: Ditto.
	* gcc.target/i386/avx10_2-vpdpbsud-2.c: Ditto.
	* gcc.target/i386/avx10_2-vpdpbsuds-2.c: Ditto.
	* gcc.target/i386/avx10_2-vpdpbuud-2.c: Ditto.
	* gcc.target/i386/avx10_2-vpdpbuuds-2.c: Ditto.

Co-authored-by: Haochen Jiang <haochen.jiang@intel.com>