[Bug target/36424] avr-gcc use don't saved registers in ISR with -O3 ('-frename-registers' ) optimization

[aesok at gcc dot gnu dot org]

------- Comment #3 from aesok at gcc dot gnu dot org  2008-06-08 16:08 -------
Subject: Bug 36424

Author: aesok
Date: Sun Jun  8 16:08:08 2008
New Revision: 136562

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=136562
Log:
        PR target/36424
        * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
        * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
        * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr-protos.h
    trunk/gcc/config/avr/avr.c
    trunk/gcc/config/avr/avr.h


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36424