r179123 - in /trunk/gcc: ChangeLog config/avr/a...

[gjl@gcc.gnu.org]

Author: gjl
Date: Fri Sep 23 17:02:10 2011
New Revision: 179123

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179123
Log:
	PR target/50447
	* config/avr/avr.md: (adjust_len): Add alternative "out_plus".
	(addsi3): Rewrite using QI scratch register.  Adjust text
	peepholes using plus:SI.
	(*addsi3_zero_extend.hi): New insn.
	(*subsi3_zero_extend.hi): New insn.
	(*subhi3_zero_extend1): Set attribute "cc" to "set_czn".
	(*subsi3_zero_extend): Ditto.
	(subsi3): Change predicate #2 to register_operand.
	* config/avr/avr-protos.h (avr_out_plus): New prototype.
	(avr_out_plus_1): New static function.
	(avr_out_plus): New function.
	(adjust_insn_length): Handle ADJUST_LEN_OUT_PLUS.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr-protos.h
    trunk/gcc/config/avr/avr.c
    trunk/gcc/config/avr/avr.md