rs6000.c (first_reg_to_save): Save PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.

* config/rs6000/rs6000.c (first_reg_to_save): Save
PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.

From-SVN: r30542

gcc/ChangeLog

+Tue Nov 16 14:37:52 1999  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* config/rs6000/rs6000.c (first_reg_to_save): Save
+	PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
+
 1999-11-15  Jason Merrill  <jason@casey.cygnus.com>
 
 	* dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table

gcc/config/rs6000/rs6000.c

@@ -3508,7 +3508,11 @@ first_reg_to_save ()
 
   /* Find lowest numbered live register.  */
   for (first_reg = 13; first_reg <= 31; first_reg++)
-    if (regs_ever_live[first_reg] && ! call_used_regs[first_reg])
+    if (regs_ever_live[first_reg] 
+	&& (! call_used_regs[first_reg]
+	    || (first_reg == PIC_OFFSET_TABLE_REGNUM
+		&& (DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS)
+		&& flag_pic == 1)))
       break;
 
   if (profile_flag)