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From: "gjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/50358] AVR: Implement [u]maddqihi4 [u]msubqihi4 patterns on the enhanced core
Date: Tue, 13 Sep 2011 09:28:00 -0000	[thread overview]
Message-ID: <bug-50358-4-nihqIlEBpS@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <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


  parent reply	other threads:[~2011-09-13  9:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-11 17:47 [Bug target/50358] New: " gjl at gcc dot gnu.org
2011-09-11 17:47 ` [Bug target/50358] " gjl at gcc dot gnu.org
2011-09-11 17:55 ` gjl at gcc dot gnu.org
2011-09-11 18:29 ` gjl at gcc dot gnu.org
2011-09-12 19:18 ` gjl at gcc dot gnu.org
2011-09-13  9:28 ` gjl at gcc dot gnu.org [this message]
2011-09-16 19:06 ` gjl at gcc dot gnu.org
2011-09-16 19:13 ` gjl at gcc dot gnu.org

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