regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing compilation.

	* regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
	compilation.

From-SVN: r31209

gcc/ChangeLog

+Tue Jan  4 19:22:39 MET 2000  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
+	compilation.
+
 2000-01-04  Stan Cox  <scox@cygnus.com>
 
 	* haifa-sched.c (build_control_flow): Change unreachable simple

gcc/regclass.c

@@ -1141,7 +1141,9 @@ regclass (f, nregs, dump)
 	  register int class;
 	  register struct costs *p = &costs[i];
 
-	  if (!REG_N_REFS (i))
+	  /* In non-optimizing compilation REG_N_REFS is not initialized
+	     yet.  */
+	  if (optimize && !REG_N_REFS (i))
 	    continue;
 
 	  for (class = (int) ALL_REGS - 1; class > 0; class--)