stormy16.c (xstormy16_expand_arith): Make sure we always emit at least one insn.

* config/stormy16/stormy16.c (xstormy16_expand_arith): Make
sure we always emit at least one insn.

From-SVN: r64644

gcc/ChangeLog

+2003-03-21  DJ Delorie  <dj@redhat.com>
+
+	* config/stormy16/stormy16.c (xstormy16_expand_arith): Make
+	sure we always emit at least one insn.
+
 2003-03-21  Christopher Faylor  <cgf@redhat.com>
 
 	* config.gcc (i[34567]86-*-cygwin*): Use new common makefile

gcc/config/stormy16/stormy16.c

@@ -1971,6 +1971,11 @@ xstormy16_expand_arith (mode, code, dest, src0, src1, carry)
       firstloop = 0;
       emit (insn);
     }
+
+  /* If we emit nothing, try_split() will think we failed.  So emit
+     something that does nothing and can be optimized away.  */
+  if (firstloop)
+    emit (gen_nop ());
 }
 
 /* Return 1 if OP is a shift operator.  */