Enable Intel AVX512_4FMAPS instructions
    
    gas/
    
    	* config/tc-i386.c (cpu_arch): Add .avx512_4fmaps.
    	(cpu_noarch): Add noavx512_4fmaps.
    	(process_operands): Handle implicit quad group.
    	* doc/c-i386.texi: Document avx512_4fmaps, noavx512_4fmaps.
    	* testsuite/gas/i386/i386.exp: Add AVX512_4FMAPS tests.
    	* testsuite/gas/i386/avx512_4fmaps_vl-intel.d: New test.
    	* testsuite/gas/i386/avx512_4fmaps_vl.d: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps_vl.s: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps-intel.d: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps.d: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps.s: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps-warn.l: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps-warn.s: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps_vl-warn.l: Ditto.
    	* testsuite/gas/i386/avx512_4fmaps_vl-warn.s: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps_vl-intel.d: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps_vl.d: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps_vl.s: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps-intel.d: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps.d: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps.s: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps-warn.l: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps-warn.s: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps_vl-warn.l: Ditto.
    	* testsuite/gas/i386/x86-64-avx512_4fmaps_vl-warn.s: Ditto.
    
    opcodes/
    
    	* i386-dis.c. (enum): Add PREFIX_EVEX_0F389A,
    	PREFIX_EVEX_0F389B, PREFIX_EVEX_0F38AA, PREFIX_EVEX_0F38AB.
    	* i386-dis-evex.h (evex_table): Updated.
    	* i386-gen.c (cpu_flag_init): Add CPU_AVX512_4FMAPS_FLAGS,
    	CPU_ANY_AVX512_4FMAPS_FLAGS. Update CPU_ANY_AVX512F_FLAGS.
    	(cpu_flags): Add CpuAVX512_4FMAPS.
    	(opcode_modifiers): Add ImplicitQuadGroup modifier.
    	* i386-opc.h (AVX512_4FMAP): New.
    	(i386_cpu_flags): Add cpuavx512_4fmaps.
    	(ImplicitQuadGroup): New.
    	(i386_opcode_modifier): Add implicitquadgroup.
    	* i386-opc.tbl: Add Intel AVX512_4FMAPS instructions.
    	* i386-init.h: Regenerate.
    	* i386-tbl.h: Ditto.