Fix IA-64 abort compiling ping.

	* unroll.c (loop_iterations): Pass increment to extend_for_giv_value
	before passing it to fold_rtx_mult_add.

From-SVN: r36518

gcc/ChangeLog

 2000-09-18  Jim Wilson  <wilson@cygnus.com>
 
+	* unroll.c (loop_iterations): Pass increment to extend_for_giv_value
+	before passing it to fold_rtx_mult_add.
+
 	* unroll.c (final_giv_value): Pass increment through
 	extend_value_for_giv before passing it to emit_iv_add_mult.
 

gcc/unroll.c

@@ -3686,8 +3686,9 @@ loop_iterations (loop)
 	{
 	  struct induction *biv_inc;
 
-	  increment
-	    = fold_rtx_mult_add (v->mult_val, increment, const0_rtx, v->mode);
+	  increment = fold_rtx_mult_add (v->mult_val,
+					 extend_value_for_giv (v, increment),
+					 const0_rtx, v->mode);
 	  /* The caller assumes that one full increment has occured at the
 	     first loop test.  But that's not true when the biv is incremented
 	     after the giv is set (which is the usual case), e.g.: