[Bug target/35907] [4.3/4.4 Regression] 64-bit power6 glibc miscompilation

[amodra at gcc dot gnu dot org]

------- Comment #21 from amodra at gcc dot gnu dot org  2008-04-17 12:28 -------
Subject: Bug 35907

Author: amodra
Date: Thu Apr 17 12:27:56 2008
New Revision: 134388

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134388
Log:
        PR target/35907
        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
        regs before frame pop when needed.  If use_backchain_to_restore_sp
        then load backchain into a temp reg to restore vr and vrsave.  Add
        code to restore vr after frame pop if possible.


Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/config/rs6000/rs6000.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35907