* config/tc-i386.c (match_template): Changed to return
const template *. Handle i.swap_operand for 3 operands.
(build_vex_prefix): Take const template *. Swap operand for
2-byte VEX prefix if possible.
(md_assemble): Updated.
(build_modrm_byte): Handle RegMem bit for SSE2AVX.
* i386-dis.c (EXdS): New.
(EXdVexS): Likewise.
(EXqVexS): Likewise.
(d_swap_mode): Likewise.
(q_mode): Updated.
(prefix_table): Use EXdS on movss and EXqS on movsd.
(vex_len_table): Use EXdVexS on vmovss and EXqVexS on vmovsd.
(intel_operand_size): Handle d_swap_mode.
(OP_EX): Likewise.
* i386-opc.h (S): Update comments.
* i386-opc.tbl: Add S to movss, movsd, vmovss and vmovsd.
* i386-tbl.h: Regenerated.