f_reg
fp = &db_Esc_inst[inst - 0xd8][f_reg(rex, regmodrm)];
i_name = ((const char * const *)ip->i_extra)[f_reg(rex, regmodrm)];
i_name = db_Grp7_11[f_reg(rex, regmodrm)][regmodrm &0x7];
i_name = ((const char * const *)ip->i_extra)[f_reg(rex, regmodrm)];
ip = &ip[f_reg(rex, regmodrm)];
ip = &ip[f_reg(rex, regmodrm)];
db_printf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][f_reg(rex, regmodrm)]);
db_printf("%s", db_reg[rex != 0 ? 1 : 0][WORD][f_reg(rex, regmodrm)]);
db_printf("%s", db_seg_reg[f_reg(rex, regmodrm)]);
db_printf("%s", db_seg_reg[f_reg(rex, inst)]);
db_printf("%%cr%d", f_reg(rex, regmodrm));
db_printf("%%dr%d", f_reg(rex, regmodrm));
db_printf("%%tr%d", f_reg(rex, regmodrm));