[Bug target/42210] avr: optimizing assignment to a bit field

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42210

--- Comment #4 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-06-06 
09:00:41 UTC ---
Author: gjl
Date: Mon Jun  6 09:00:36 2011
New Revision: 174685

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174685
Log:
    PR target/42210
    * config/avr/predicates.md (const1_operand, const_0_to_7_operand):
    New predicates.
    * config/avr/avr.md ("insv"): New insn expander.
    ("*movbitqi.1-6.a", "*movbitqi.1-6.b", "*movbitqi.0", "*insv.io",
    "*insv.not.io", "*insv.reg"): New insns.

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