x86: Use individual prefix control for each opcode.

x86: Use individual prefix control for each opcode.

2015-04-06  Ilya Tocar  <ilya.tocar@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* i386-dis-evex.h (evex_table): Fill prefix_requirement field.
	* i386-dis.c (PREFIX_MANDATORY_REPZ, PREFIX_MANDATORY_REPNZ,
	PREFIX_MANDATORY_DATA, PREFIX_MANDATORY_ADDR, PREFIX_MANDATORY_LOCK,
	PREFIX_UD_SHIFT, PREFIX_UD_REPZ, REFIX_UD_REPNZ, PREFIX_UD_DATA,
	PREFIX_UD_ADDR, PREFIX_UD_LOCK, PREFIX_OPTIONAL, PREFIX_MANDATORY):
	Define.
	(Bad_Opcode, FLOAT, DIS386, DIS386_PREFIX, THREE_BYTE_TABLE_PREFIX):
	Fill prefix_requirement field.
	(struct dis386): Add prefix_requirement field.
	(dis386): Fill prefix_requirement field.
	(dis386_twobyte): Ditto.
	(twobyte_has_mandatory_prefix_: Remove.
	(reg_table): Fill prefix_requirement field.
	(prefix_table): Ditto.
	(x86_64_table): Ditto.
	(three_byte_table): Ditto.
	(xop_table): Ditto.
	(vex_table): Ditto.
	(vex_len_table): Ditto.
	(vex_w_table): Ditto.
	(mod_table): Ditto.
	(bad_opcode): Ditto.
	(print_insn): Use prefix_requirement.
	(FGRPd9_2, FGRPd9_4, FGRPd9_5, FGRPd9_6, FGRPd9_7, FGRPda_5, FGRPdb_4,
	FGRPde_3, FGRPdf_4): Fill prefix_requirement field.
	(float_reg): Ditto.