unroll.c (biv_total_increment): Don't try to compute the total increment for FP BIVs.

	* unroll.c (biv_total_increment): Don't try to compute the total
	increment for FP BIVs.

From-SVN: r56479

gcc/ChangeLog

+2002-08-20  Geoffrey Keating  <geoffk@redhat.com>
+
+	* unroll.c (biv_total_increment): Don't try to compute the total
+	increment for FP BIVs.
+
 2002-08-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* alpha.c (TARGET_ASM_GLOBALIZE_LABEL): Define for unicosmk.

gcc/unroll.c

@@ -2419,7 +2419,8 @@ biv_total_increment (bl)
   for (v = bl->biv; v; v = v->next_iv)
     {
       if (v->always_computable && v->mult_val == const1_rtx
-	  && ! v->maybe_multiple)
+	  && ! v->maybe_multiple
+	  && SCALAR_INT_MODE_P (v->mode))
 	result = fold_rtx_mult_add (result, const1_rtx, v->add_val, v->mode);
       else
 	return 0;