This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/50358] AVR: Implement [u]maddqihi4 [u]msubqihi4 patterns on the enhanced core
- From: "gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 13 Sep 2011 09:23:40 +0000
- Subject: [Bug target/50358] AVR: Implement [u]maddqihi4 [u]msubqihi4 patterns on the enhanced core
- Auto-submitted: auto-generated
- References: <bug-50358-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50358
--- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-09-13 09:23:40 UTC ---
Author: gjl
Date: Tue Sep 13 09:23:36 2011
New Revision: 178806
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178806
Log:
PR target/50358
* config/avr/predicates.md (const_1_to_6_operand): New predicate.
* config/avr/avr.md: (extend_s): New code attribute.
(mul_r_d): New code attribute.
(*maddqihi4, *umaddqihi4): New insns.
(*msubqihi4, *umsubqihi4): New insns.
(*usmaddqihi4, *sumaddqihi4): New insns.
(*usmsubqihi4, *susubdqihi4): New insns.
(*umaddqihi4.uconst, *maddqihi4.sconst): New insn-and-splits.
(*umsubqihi4.uconst, *msubqihi4.sconst): New insn-and-splits.
(*umsubqihi4.uconst.ashift): New insn-and-split.
(*msubqihi4.sconst.ashift): New insn-and-split.
(*sumaddqihi4.uconst): New insn-and-split.
(*sumsubqihi4.uconst): New insn-and-split.
* config/avr/avr.c (avr_rtx_costs): Report costs of above in case
PLUS:HI and MINUS:HI.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/avr/avr.c
trunk/gcc/config/avr/avr.md
trunk/gcc/config/avr/predicates.md