[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 #5 from aesok at gcc dot gnu dot org  2008-06-15 21:33 -------
Subject: Bug 36424

Author: aesok
Date: Sun Jun 15 21:32:29 2008
New Revision: 136826

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=136826
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:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/config/avr/avr-protos.h
    branches/gcc-4_3-branch/gcc/config/avr/avr.c
    branches/gcc-4_3-branch/gcc/config/avr/avr.h


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