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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: Fri, 16 Sep 2011 19:06:00 -0000 [thread overview] Message-ID: <bug-50358-4-no0JWI6qf9@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 #4 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-09-16 18:27:16 UTC --- Author: gjl Date: Fri Sep 16 18:27:10 2011 New Revision: 178912 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178912 Log: PR target/50358 * config/avr/avr.md (*ashiftqihi2.signx.1): New insn. (*maddqi4, *maddqi4.const): New insns. (*msubqi4, *msubqi4.const): New insns. * config/avr/avr.c (avr_rtx_costs): Record costs of above in cases PLUS:QI and MINUS:QI. Increase costs of multiply-add/-sub for HImode by 1 in the case of multiplying with a CONST_INT. Record cost of *ashiftqihi2.signx.1 in case ASHIFT:QI. Modified: trunk/gcc/ChangeLog trunk/gcc/config/avr/avr.c trunk/gcc/config/avr/avr.md
next prev parent reply other threads:[~2011-09-16 18:27 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 2011-09-16 19:06 ` gjl at gcc dot gnu.org [this message] 2011-09-16 19:13 ` gjl at gcc dot gnu.org
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