[Bug target/52506] [avr]: XMEGA: Wrong order of save/restore of RAMPX/Y/Z/D SFRs in ISR pro-/epilogue

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52506

--- Comment #1 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-03-07 
10:38:28 UTC ---
Author: gjl
Date: Wed Mar  7 10:38:25 2012
New Revision: 185032

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185032
Log:
    PR target/52506
    * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
    to: RAMPZ, RAMPY, RAMPX, RAMPD.
    (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.


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