loop.c (strength_reduce): Sink final_value when not eliminating a biv.

        * loop.c (strength_reduce): Sink final_value when not
        eliminating a biv.

From-SVN: r49606

gcc/ChangeLog

+2002-02-07  Richard Henderson  <rth@redhat.com>
+
+	* loop.c (strength_reduce): Sink final_value when not
+	eliminating a biv.
+
 2002-02-07  David O'Brien  <obrien@FreeBSD.org>
 
 	* config/sparc/freebsd.h: Fix mismatched spec {.

gcc/loop.c

@@ -5143,6 +5143,11 @@ strength_reduce (loop, flags)
 	    fprintf (loop_dump_stream, "Reg %d: biv eliminated\n",
 		     bl->regno);
 	}
+      /* See above note wrt final_value.  But since we couldn't eliminate
+	 the biv, we must set the value after the loop instead of before.  */
+      else if (bl->final_value && ! bl->reversed)
+	loop_insn_sink (loop, gen_move_insn (bl->biv->dest_reg,
+					     bl->final_value));
     }
 
   /* Go through all the instructions in the loop, making all the