x86: Add CpuCMOV and CpuFXSR

x86: Add CpuCMOV and CpuFXSR

There are separate CPUID feature bits for fxsave/fxrstor and cmovCC
instructions.  This patch adds CpuCMOV and CpuFXSR to replace Cpu686
on corresponding instructions.

gas/

	* config/tc-i386.c (cpu_arch): Add .cmov and .fxsr.
	(cpu_noarch): Add nocmov and nofxsr.
	* doc/c-i386.texi: Document cmov and fxsr.

opcodes/

	* i386-gen.c (cpu_flag_init): Add CpuCMOV and CpuFXSR to
	CPU_I686_FLAGS.  Add CPU_CMOV_FLAGS, CPU_FXSR_FLAGS,
	CPU_ANY_CMOV_FLAGS and CPU_ANY_FXSR_FLAGS.
	(cpu_flags): Add CpuCMOV and CpuFXSR.
	* i386-opc.tbl: Replace Cpu686 with CpuFXSR on fxsave, fxsave64,
	fxrstor and fxrstor64.  Replace Cpu686 with CpuCMOV on cmovCC.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.