r177648 - in /trunk/gcc: ChangeLog config/avr/a...

[gjl@gcc.gnu.org]

Author: gjl
Date: Thu Aug 11 07:50:37 2011
New Revision: 177648

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177648
Log:
	
	PR target/49687
	* config/avr/avr.md (smulqi3_highpart): New insn.
	(umulqi3_highpart): New insn.
	(*subqi3.ashiftrt7): New insn.
	(smulhi3_highpart): New expander.
	(umulhi3_highpart): Nex expander.
	(*smulhi3_highpart_call): New insn.
	(*umulhi3_highpart_call): New insn.
	(extend_u): New code attribute.
	(extend_prefix): Rename code attribute to extend_su.
	* config/avr/avr.c (avr_rtx_costs): Report costs of highpart of
	widening QI/HI multiply.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr.c
    trunk/gcc/config/avr/avr.md