[Bug target/52496] avr-specific built-ins missing memory barrier

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52496
--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-03-22 
13:17:20 UTC ---
Author: gjl
Date: Thu Mar 22 13:17:16 2012
New Revision: 185692

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185692
Log:
    PR target/52496
    * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
    (unspecv): Add UNSPECV_MEMORY_BARRIER.
    (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
    (delay_cycles_1, delay_cycles_2): Ditto.
    (delay_cycles_3, delay_cycles_4): Ditto.
    (nopv, *nopv): Ditto.
    (sleep, *sleep): Ditto.
    (wdr, *wdr): Ditto.


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