rs6000.c (struct machine_function): Add pic_offset_table_rtx.

        * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
        (rs6000_save_machine_status): Save pic_offset_table_rtx.
        (rs6000_restore_machine_status: Restore pic_offset_table_rtx.

From-SVN: r16149

gcc/ChangeLog

 Wed Oct 22 00:34:12 1997  Jeffrey A Law  (law@cygnus.com)
 
+	* rs6000.c (struct machine_function): Add pic_offset_table_rtx.
+	(rs6000_save_machine_status): Save pic_offset_table_rtx.
+	(rs6000_restore_machine_status: Restore pic_offset_table_rtx.
+
 	* local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
 	are shared.
 

gcc/config/rs6000/rs6000.c

@@ -2261,6 +2261,7 @@ struct machine_function
   int save_toc_p;
   int fpmem_size;
   int fpmem_offset;
+  rtx pic_offset_table_rtx;
 };
 
 /* Functions to save and restore rs6000_fpmem_size.
@@ -2278,6 +2279,7 @@ rs6000_save_machine_status (p)
   machine->sysv_varargs_p = rs6000_sysv_varargs_p;
   machine->fpmem_size     = rs6000_fpmem_size;
   machine->fpmem_offset   = rs6000_fpmem_offset;
+  machine->pic_offset_table_rtx = pic_offset_table_rtx;
 }
 
 void
@@ -2289,6 +2291,7 @@ rs6000_restore_machine_status (p)
   rs6000_sysv_varargs_p = machine->sysv_varargs_p;
   rs6000_fpmem_size     = machine->fpmem_size;
   rs6000_fpmem_offset   = machine->fpmem_offset;
+  pic_offset_table_rtx  = machine->pic_offset_table_rtx;
 
   free (machine);
   p->machine = (struct machine_function *)0;