Initial support for AVX10.1

gcc/ChangeLog:

	* common/config/i386/cpuinfo.h (get_available_features):
	Add avx10_set and version and detect avx10.1.
	(cpu_indicator_init): Handle avx10.1-512.
	* common/config/i386/i386-common.cc
	(OPTION_MASK_ISA2_AVX10_512BIT_SET): New.
	(OPTION_MASK_ISA2_AVX10_1_SET): Ditto.
	(OPTION_MASK_ISA2_AVX10_512BIT_UNSET): Ditto.
	(OPTION_MASK_ISA2_AVX10_1_UNSET): Ditto.
	(OPTION_MASK_ISA2_AVX2_UNSET): Modify for AVX10_1.
	(ix86_handle_option): Handle -mavx10.1, -mavx10.1-256 and
	-mavx10.1-512.
	* common/config/i386/i386-cpuinfo.h (enum processor_features):
	Add FEATURE_AVX10_512BIT, FEATURE_AVX10_1 and
	FEATURE_AVX10_512BIT.
	* common/config/i386/i386-isas.h: Add ISA_NAME_TABLE_ENTRY for
	AVX10_512BIT, AVX10_1 and AVX10_1_512.
	* config/i386/constraints.md (Yk): Add AVX10_1.
	(Yv): Ditto.
	(k): Ditto.
	* config/i386/cpuid.h (bit_AVX10): New.
	(bit_AVX10_256): Ditto.
	(bit_AVX10_512): Ditto.
	* config/i386/i386-c.cc (ix86_target_macros_internal):
	Define AVX10_512BIT and AVX10_1.
	* config/i386/i386-isa.def
	(AVX10_512BIT): Add DEF_PTA(AVX10_512BIT).
	(AVX10_1): Add DEF_PTA(AVX10_1).
	* config/i386/i386-options.cc (isa2_opts): Add -mavx10.1.
	(ix86_valid_target_attribute_inner_p): Handle avx10-512bit, avx10.1
	and avx10.1-512.
	(ix86_option_override_internal): Enable AVX512{F,VL,BW,DQ,CD,BF16,
	FP16,VBMI,VBMI2,VNNI,IFMA,BITALG,VPOPCNTDQ} features for avx10.1-512.
	(ix86_valid_target_attribute_inner_p): Handle AVX10_1.
	* config/i386/i386.cc (ix86_get_ssemov): Add AVX10_1.
	(ix86_conditional_register_usage): Ditto.
	(ix86_hard_regno_mode_ok): Ditto.
	(ix86_rtx_costs): Ditto.
	* config/i386/i386.h (VALID_MASK_AVX10_MODE): New macro.
	* config/i386/i386.opt: Add option -mavx10.1, -mavx10.1-256 and
	-mavx10.1-512.
	* doc/extend.texi: Document avx10.1, avx10.1-256 and avx10.1-512.
	* doc/invoke.texi: Document -mavx10.1, -mavx10.1-256 and -mavx10.1-512.
	* doc/sourcebuild.texi: Document target avx10.1, avx10.1-256
	and avx10.1-512.

gcc/testsuite/ChangeLog:

	* g++.target/i386/mv33.C: New test.
	* gcc.target/i386/avx10_1-1.c: Ditto.
	* gcc.target/i386/avx10_1-2.c: Ditto.
	* gcc.target/i386/avx10_1-3.c: Ditto.
	* gcc.target/i386/avx10_1-4.c: Ditto.
	* gcc.target/i386/avx10_1-5.c: Ditto.
	* gcc.target/i386/avx10_1-6.c: Ditto.
	* gcc.target/i386/avx10_1-7.c: Ditto.
	* gcc.target/i386/avx10_1-8.c: Ditto.
	* gcc.target/i386/avx10_1-9.c: Ditto.
	* gcc.target/i386/avx10_1-10.c: Ditto.