[Bug target/50446] [avr] Implement rotate patterns with offset 1

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50446

--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-09-23 
10:14:26 UTC ---
Author: gjl
Date: Fri Sep 23 10:14:23 2011
New Revision: 179116

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179116
Log:
    PR target/50446
    * config/avr/avr.md (rotlqi3): Support all offsets 0..7.
    (rotlqi3_4): Turn insn into expander.
    (*rotlqi3): New insn.
    (rotlhi3, rotlsi3): Support rotate left/right by 1.
    (*rotlhi2.1, *rotlhi2.15): New insns.
    (*rotlsi2.1, *rotlsi2.31): New insns.
    * config/avr/constraints.md (C03, C05, C06, C07): New constraints.


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