re PR target/49862 (bfin.c warnings)

	PR target/49862
	* config/bfin/bfin.c (hwloop_optimize): Fix unused variable
	warnings.
	(hwloop_pattern_reg): Fix set but not used warning.
	(bfin_reorg_loops): Remove unused parameter.
	(bfin_reorg): Update use of bfin_reorg_loops.

From-SVN: r185125

gcc/ChangeLog

+2012-03-08  Jie Zhang  <jzhang918@gmail.com>
+
+	PR target/49862
+	* config/bfin/bfin.c (hwloop_optimize): Fix unused variable
+	warnings.
+	(hwloop_pattern_reg): Fix set but not used warning.
+	(bfin_reorg_loops): Remove unused parameter.
+	(bfin_reorg): Update use of bfin_reorg_loops.
+
 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config/i386/i386.c (setup_incoming_varargs_64): Use word_mode

gcc/config/bfin/bfin.c

@@ -3411,14 +3411,12 @@ static bool
 hwloop_optimize (hwloop_info loop)
 {
   basic_block bb;
-  hwloop_info inner;
   rtx insn, last_insn;
   rtx loop_init, start_label, end_label;
   rtx iter_reg, scratchreg, scratch_init, scratch_init_insn;
   rtx lc_reg, lt_reg, lb_reg;
   rtx seq, seq_end;
   int length;
-  unsigned ix;
   bool clobber0, clobber1;
 
   if (loop->depth > MAX_LOOP_DEPTH)
@@ -3840,12 +3838,11 @@ hwloop_fail (hwloop_info loop)
 static rtx
 hwloop_pattern_reg (rtx insn)
 {
-  rtx pat, reg;
+  rtx reg;
 
   if (!JUMP_P (insn) || recog_memoized (insn) != CODE_FOR_loop_end)
     return NULL_RTX;
 
-  pat = PATTERN (insn);
   reg = SET_DEST (XVECEXP (PATTERN (insn), 0, 1));
   if (!REG_P (reg))
     return NULL_RTX;
@@ -3864,7 +3861,7 @@ static struct hw_doloop_hooks bfin_doloop_hooks =
    hardware loops are generated.  */
 
 static void
-bfin_reorg_loops (FILE *dump_file)
+bfin_reorg_loops (void)
 {
   reorg_loops (true, &bfin_doloop_hooks);
 }
@@ -4601,7 +4598,7 @@ bfin_reorg (void)
 
   /* Doloop optimization */
   if (cfun->machine->has_hardware_loops)
-    bfin_reorg_loops (dump_file);
+    bfin_reorg_loops ();
 
   workaround_speculation ();