loop.c (scan_loop): Count down from max_reg_num - 1 to FIRST_PSEUDO_REGISTER to avoid...

loop.c (scan_loop): Count down from max_reg_num - 1 to FIRST_PSEUDO_REGISTER to avoid calling...

        * loop.c (scan_loop): Count down from max_reg_num - 1 to
        FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
        of the loop.
        (load_mems_and_recount_loop_regs_set): Likewise.
Forgot second AVOID_CCMODE_COPIES loop.

From-SVN: r22044