* i386-dis.c (PREGRP15 - PREGRP24): New.

	* i386-dis.c (PREGRP15 - PREGRP24): New.
	(dis386_twobyt): Add SSE2 instructions.
	(twobyte_uses_SSE_prefix: Rename from ... ; add new SSE instructions.
	(twobyte_uses_f3_prefix): ... this one.
	(grps): Add SSE instructions.
	(prefix_user_table): Add two new slots; add SSE2 instructions.
	(print_insn_i386): Rename uses_f3_prefix to uses_SSE_prefix;
	Handle the REPNZ and Data16 prefixes as well; do proper lookup
	to prefix_user_table.
	(OP_E): Accept mfence and lfence as well.
	(OP_MMX): Data16 prefix turns MMX to SSE; support REX extensions.
	(OP_XMM): Support REX extensions.
	(OP_EM): Likewise.
	(OP_EX): Likewise.