[Bug rtl-optimization/30761] [4.1/4.2/4.3 regression] Error: unsupported relocation against sfp

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2007-02-11 10:31 -------
Actually this has nothing to do with -fsplit-wide-types, This shows up in some
cases without that, There is a reload patch floating about which fixes this. 
The problem is that reload does not elimate the soft frame pointer.  In fact
this is really a regression in 4.1.0 exposed by:
2005-06-30  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment.
        (DWARF_FRAME_REGISTERS, DWARF_REG_TO_UNWIND_COLUMN): Adjust, so
        that addition of sfp doesn't change these.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
 ....


I actually saw it in a modified version of 4.1.1.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 GCC target triplet|powerpc-suse-linux          |powerpc*-*-*
            Summary|[4.3 regression] Error:     |[4.1/4.2/4.3 regression]
                   |unsupported relocation      |Error: unsupported
                   |against sfp                 |relocation against sfp
   Target Milestone|---                         |4.1.2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30761