Support Intel CMPccXADD

Support Intel CMPccXADD

gas/ChangeLog:

	* NEWS: Support Intel CMPccXADD.
	* config/tc-i386.c: Add cmpccxadd.
	(build_modrm_byte): Add operations for Vex.VVVV reg
	on operand 0 while have memory operand.
	* doc/c-i386.texi: Document .cmpccxadd.
	* testsuite/gas/i386/i386.exp: Run CMPccXADD tests.
	* testsuite/gas/i386/cmpccxadd-inval.s: New test.
	* testsuite/gas/i386/cmpccxadd-inval.l: Ditto.
	* testsuite/gas/i386/x86-64-cmpccxadd-intel.d: Ditto.
	* testsuite/gas/i386/x86-64-cmpccxadd.s: Ditto.
	* testsuite/gas/i386/x86-64-cmpccxadd.d: Ditto.

opcodes/ChangeLog:

	* i386-dis.c (Mdq): New.
	(X86_64_VEX_0F38E0): Ditto.
	(X86_64_VEX_0F38E1): Ditto.
	(X86_64_VEX_0F38E2): Ditto.
	(X86_64_VEX_0F38E3): Ditto.
	(X86_64_VEX_0F38E4): Ditto.
	(X86_64_VEX_0F38E5): Ditto.
	(X86_64_VEX_0F38E6): Ditto.
	(X86_64_VEX_0F38E7): Ditto.
	(X86_64_VEX_0F38E8): Ditto.
	(X86_64_VEX_0F38E9): Ditto.
	(X86_64_VEX_0F38EA): Ditto.
	(X86_64_VEX_0F38EB): Ditto.
	(X86_64_VEX_0F38EC): Ditto.
	(X86_64_VEX_0F38ED): Ditto.
	(X86_64_VEX_0F38EE): Ditto.
	(X86_64_VEX_0F38EF): Ditto.
	(x86_64_table): Add X86_64_VEX_0F38E0, X86_64_VEX_0F38E1,
	X86_64_VEX_0F38E2, X86_64_VEX_0F38E3, X86_64_VEX_0F38E4,
	X86_64_VEX_0F38E5, X86_64_VEX_0F38E6, X86_64_VEX_0F38E7,
	X86_64_VEX_0F38E8, X86_64_VEX_0F38E9, X86_64_VEX_0F38EA,
	X86_64_VEX_0F38EB, X86_64_VEX_0F38EC, X86_64_VEX_0F38ED,
	X86_64_VEX_0F38EE, X86_64_VEX_0F38EF.
	* i386-gen.c (cpu_flag_init): Add CPU_CMPCCXADD_FLAGS and
	CPU_ANY_CMPCCXADD_FLAGS.
	(cpu_flags): Add CpuCMPCCXADD.
	* i386-init.h: Regenerated.
	* i386-opc.h (CpuCMPCCXADD): New.
	(i386_cpu_flags): Add cpucmpccxadd. Comment unused for it is actually 0.
	* i386-opc.tbl: Add Intel CMPccXADD instructions.
	* i386-tbl.h: Regenerated.