x86: Add support for Intel AMX instructions

x86: Add support for Intel AMX instructions

gas/

	* doc/c-i386.texi: Document amx_int8, amx_bf16 and amx_tile.
	* config/tc-i386.c (i386_error): Add invalid_sib_address.
	(cpu_arch): Add .amx_int8, .amx_bf16 and .amx_tile.
	(cpu_noarch): Add noamx_int8, noamx_bf16 and noamx_tile.
	(match_simd_size): Add tmmword check.
	(operand_type_match): Add tmmword.
	(type_names): Add rTMM.
	(i386_error): Add invalid_tmm_register_set.
	(check_VecOperands): Handle invalid_sib_address and
	invalid_tmm_register_set.
	(match_template): Handle invalid_sib_address.
	(build_modrm_byte): Handle non-vector SIB and zmmword.
	(i386_index_check): Disallow RegIP for non-vector SIB.
	(check_register): Handle zmmword.
	* testsuite/gas/i386/i386.exp: Add AMX new tests.
	* testsuite/gas/i386/intel-regs.d: Add tmm.
	* testsuite/gas/i386/intel-regs.s: Add tmm.
	* testsuite/gas/i386/x86-64-amx-intel.d: New.
	* testsuite/gas/i386/x86-64-amx-inval.l: New.
	* testsuite/gas/i386/x86-64-amx-inval.s: New.
	* testsuite/gas/i386/x86-64-amx.d: New.
	* testsuite/gas/i386/x86-64-amx.s: New.
	* testsuite/gas/i386/x86-64-amx-bad.d: New.
	* testsuite/gas/i386/x86-64-amx-bad.s: New.

opcodes/

	* i386-dis.c (TMM): New.
	(EXtmm): Likewise.
	(VexTmm): Likewise.
	(MVexSIBMEM): Likewise.
	(tmm_mode): Likewise.
	(vex_sibmem_mode): Likewise.
	(REG_VEX_0F3849_X86_64_P_0_W_0_M_1): Likewise.
	(MOD_VEX_0F3849_X86_64_P_0_W_0): Likewise.
	(MOD_VEX_0F3849_X86_64_P_2_W_0): Likewise.
	(MOD_VEX_0F3849_X86_64_P_3_W_0): Likewise.
	(MOD_VEX_0F384B_X86_64_P_1_W_0): Likewise.
	(MOD_VEX_0F384B_X86_64_P_2_W_0): Likewise.
	(MOD_VEX_0F384B_X86_64_P_3_W_0): Likewise.
	(MOD_VEX_0F385C_X86_64_P_1_W_0): Likewise.
	(MOD_VEX_0F385E_X86_64_P_0_W_0): Likewise.
	(MOD_VEX_0F385E_X86_64_P_1_W_0): Likewise.
	(MOD_VEX_0F385E_X86_64_P_2_W_0): Likewise.
	(MOD_VEX_0F385E_X86_64_P_3_W_0): Likewise.
	(RM_VEX_0F3849_X86_64_P_0_W_0_M_1_R_0): Likewise.
	(PREFIX_VEX_0F3849_X86_64): Likewise.
	(PREFIX_VEX_0F384B_X86_64): Likewise.
	(PREFIX_VEX_0F385C_X86_64): Likewise.
	(PREFIX_VEX_0F385E_X86_64): Likewise.
	(X86_64_VEX_0F3849): Likewise.
	(X86_64_VEX_0F384B): Likewise.
	(X86_64_VEX_0F385C): Likewise.
	(X86_64_VEX_0F385E): Likewise.
	(VEX_LEN_0F3849_X86_64_P_0_W_0_M_0): Likewise.
	(VEX_LEN_0F3849_X86_64_P_0_W_0_M_1_REG_0_RM_0): Likewise.
	(VEX_LEN_0F3849_X86_64_P_2_W_0_M_0): Likewise.
	(VEX_LEN_0F3849_X86_64_P_3_W_0_M_0): Likewise.
	(VEX_LEN_0F384B_X86_64_P_1_W_0_M_0): Likewise.
	(VEX_LEN_0F384B_X86_64_P_2_W_0_M_0): Likewise.
	(VEX_LEN_0F384B_X86_64_P_3_W_0_M_0): Likewise.
	(VEX_LEN_0F385C_X86_64_P_1_W_0_M_0): Likewise.
	(VEX_LEN_0F385E_X86_64_P_0_W_0_M_0): Likewise.
	(VEX_LEN_0F385E_X86_64_P_1_W_0_M_0): Likewise.
	(VEX_LEN_0F385E_X86_64_P_2_W_0_M_0): Likewise.
	(VEX_LEN_0F385E_X86_64_P_3_W_0_M_0): Likewise.
	(VEX_W_0F3849_X86_64_P_0): Likewise.
	(VEX_W_0F3849_X86_64_P_2): Likewise.
	(VEX_W_0F3849_X86_64_P_3): Likewise.
	(VEX_W_0F384B_X86_64_P_1): Likewise.
	(VEX_W_0F384B_X86_64_P_2): Likewise.
	(VEX_W_0F384B_X86_64_P_3): Likewise.
	(VEX_W_0F385C_X86_64_P_1): Likewise.
	(VEX_W_0F385E_X86_64_P_0): Likewise.
	(VEX_W_0F385E_X86_64_P_1): Likewise.
	(VEX_W_0F385E_X86_64_P_2): Likewise.
	(VEX_W_0F385E_X86_64_P_3): Likewise.
	(names_tmm): Likewise.
	(att_names_tmm): Likewise.
	(intel_operand_size): Handle void_mode.
	(OP_XMM): Handle tmm_mode.
	(OP_EX): Likewise.
	(OP_VEX): Likewise.
	* i386-gen.c (cpu_flag_init): Add entries for CpuAMX_INT8,
	CpuAMX_BF16 and CpuAMX_TILE.
	(operand_type_shorthands): Add RegTMM.
	(operand_type_init): Likewise.
	(operand_types): Add Tmmword.
	(cpu_flag_init): Add CPU_AMX_INT8, CpuAMX_BF16 and CpuAMX_TILE.
	(cpu_flags): Add CpuAMX_INT8, CpuAMX_BF16 and CpuAMX_TILE.
	* i386-opc.h (CpuAMX_INT8): New.
	(CpuAMX_BF16): Likewise.
	(CpuAMX_TILE): Likewise.
	(SIBMEM): Likewise.
	(Tmmword): Likewise.
	(i386_cpu_flags): Add cpuamx_int8, cpuamx_bf16 and cpuamx_tile.
	(i386_opcode_modifier): Extend width of fields vexvvvv and sib.
	(i386_operand_type): Add tmmword.
	* i386-opc.tbl: Add AMX instructions.
	* i386-reg.tbl: Add AMX registers.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.