http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49687
--- Comment #8 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-08-11 07:50:42 UTC --- 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