* i386.h (REPNE): Rename to REPNE_PREFIX_OPCODE.
(REPE): Rename to REPE_PREFIX_OPCODE.
(i386_regtab_end): Remove.
(i386_prefixtab, i386_prefixtab_end): Remove.
(i386_optab): Use NULL as sentinel rather than "" to suit rewrite
of md_begin.
(MAX_OPCODE_SIZE): Define.
(i386_optab_end): Remove.
(sl_Suf): Define.
(sl_FP): Use sl_Suf.
* i386.h (i386_optab): Allow 16 bit displacement for `mov
mem,acc'. Combine 16 and 32 bit forms of various insns. Allow 16
bit form of ljmp. Add IsPrefix modifier to prefixes. Add addr32,
data32, dword, and adword prefixes.
(i386_regtab): Add BaseIndex modifier to valid 16 bit base/index
regs.