*** ./gcc/config/rs6000/rs6000.c.ORIG	Thu Mar 22 13:38:15 2012
--- ./gcc/config/rs6000/rs6000.c	Thu Mar 22 13:38:30 2012
***************
*** 11728,11739 ****
  				    NULL_TREE);
    def_builtin ("__builtin_bswap16", ftype, RS6000_BUILTIN_BSWAP_HI);
  
- #if TARGET_XCOFF
-   /* AIX libm provides clog as __clog.  */
-   if ((tdecl = builtin_decl_explicit (BUILT_IN_CLOG)) != NULL_TREE)
-     set_user_assembler_name (tdecl, "__clog");
- #endif
- 
  #ifdef SUBTARGET_INIT_BUILTINS
    SUBTARGET_INIT_BUILTINS;
  #endif
--- 11728,11733 ----