expmed.c (extract_bit_field_1): Remove write-only variable "icode".

	* expmed.c (extract_bit_field_1): Remove write-only variable "icode".

From-SVN: r173331

gcc/ChangeLog

+2011-05-03  Uros Bizjak  <ubizjak@gmail.com>
+
+	* expmed.c (extract_bit_field_1): Remove write-only variable "icode".
+
 2011-05-03  Stuart Henderson  <shenders@gcc.gnu.org>
 
 	From Bernd Schmidt:
@@ -105,12 +109,13 @@
 	* tree-ssa-threadupdate.c (THREAD_TARGET): define.
 	(remove_ctrl_stmt_and_useless_edges): Clear AUX field of outgoing edges.
 	(craete_edge_and_update_destination_phis): Use THREAD_TARGET rather
-	than accessing AUX field directly.  Free the AUX field before			clearing it.
+	than accessing AUX field directly.  Free the AUX field before
+	clearing it.
 	(thread_block, thread_through_loop_header): Likewise.
 	(thread_single_edge, mark_threaded_blocks): Likewise.
 	(redirect_edges): Delay clearing the AUX field.  Free the AUX field.
 	(register_jump_thread): Do not attempt to thread to a NULL edge.
-	
+
 2011-05-03  Bernd Schmidt  <bernds@codesourcery.com>
 
 	* function.c (init_function_start): Call decide_function_section.

gcc/expmed.c

@@ -1127,7 +1127,6 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
   enum machine_mode int_mode;
   enum machine_mode ext_mode;
   enum machine_mode mode1;
-  enum insn_code icode;
   int byte_offset;
 
   if (tmode == VOIDmode)
@@ -1431,7 +1430,6 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
 
   /* Now OFFSET is nonzero only for memory operands.  */
   ext_mode = mode_for_extraction (unsignedp ? EP_extzv : EP_extv, 0);
-  icode = unsignedp ? CODE_FOR_extzv : CODE_FOR_extv;
   if (ext_mode != MAX_MACHINE_MODE
       && bitsize > 0
       && GET_MODE_BITSIZE (ext_mode) >= bitsize