(move_block_{to,from}_reg): Check HAVE_{load,store}_multiple value;

don't just #idef the symbol.

From-SVN: r6192

gcc/expr.c

@@ -1573,6 +1573,8 @@ move_block_to_reg (regno, x, nregs, mode)
 
   /* See if the machine can do this with a load multiple insn.  */
 #ifdef HAVE_load_multiple
+  if (HAVE_load_multiple)
+    {
       last = get_last_insn ();
       pat = gen_load_multiple (gen_rtx (REG, word_mode, regno), x,
 			       GEN_INT (nregs));
@@ -1583,6 +1585,7 @@ move_block_to_reg (regno, x, nregs, mode)
 	}
       else
 	delete_insns_since (last);
+    }
 #endif
 
   for (i = 0; i < nregs; i++)
@@ -1625,6 +1628,8 @@ move_block_from_reg (regno, x, nregs, size)
 
   /* See if the machine can do this with a store multiple insn.  */
 #ifdef HAVE_store_multiple
+  if (HAVE_store_multiple)
+    {
       last = get_last_insn ();
       pat = gen_store_multiple (x, gen_rtx (REG, word_mode, regno),
 				GEN_INT (nregs));
@@ -1635,6 +1640,7 @@ move_block_from_reg (regno, x, nregs, size)
 	}
       else
 	delete_insns_since (last);
+    }
 #endif
 
   for (i = 0; i < nregs; i++)