* config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal

	* config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
	shift cycle for unknown shift count. Also generates dec + brpl.
	(ashlqi3_out): Don't generate dec + brpl which now generates by
	`out_shift_with_cnt'.
	(ashlhi3_out): Likewise.
	(ashlsi3_out): Likewise.
	(ashrqi3_out): Likewise.
	(ashrhi3_out): Likewise.
	(ashrsi3_out): Likewise.
	(lshrqi3_out): Likewise.
	(lshrhi3_out): Likewise.
	(lshrsi3_out): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33700 138bc75d-0d04-0410-961f-82ee72b054a4