[Bug target/39633] [avr] loop bug: missing 8-bit comparison (*cmpqi)

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39633

--- Comment #12 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2011-07-11 10:13:33 UTC ---
Author: gjl
Date: Mon Jul 11 10:13:30 2011
New Revision: 176141

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176141
Log:
gcc/
    PR target/39633
    * config/avr/avr.c (notice_update_cc): For ashiftrt:QI, only
    offsets 1..5 set cc0 in a usable way.

testsuite/
    PR target/39633
    * gcc.target/avr/torture/pr39633.c: New test case.


Added:
    trunk/gcc/testsuite/gcc.target/avr/torture/pr39633.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr.c
    trunk/gcc/testsuite/ChangeLog