expmed.c (extract_bit_field_1): In the larger-than-a-word case...

	* expmed.c (extract_bit_field_1): In the larger-than-a-word case, factor
	out the processing order as in store_bit_field_1.

From-SVN: r199637

gcc/ChangeLog

+2013-06-04  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* expmed.c (extract_bit_field_1): In the larger-than-a-word case, factor
+	out the processing order as in store_bit_field_1.
+
 2013-06-04  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/57500
@@ -33,7 +38,7 @@
 2013-06-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/57268
-	* sched-deps.c (sched_analyze_2): Don't flush_pedning_lists
+	* sched-deps.c (sched_analyze_2): Don't flush_pending_lists
 	if DEBUG_INSN_P (insn).
 
 	Reapply

gcc/expmed.c

@@ -1486,6 +1486,7 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
 	 This is because the most significant word is the one which may
 	 be less than full.  */
 
+      unsigned int backwards = WORDS_BIG_ENDIAN;
       unsigned int nwords = (bitsize + (BITS_PER_WORD - 1)) / BITS_PER_WORD;
       unsigned int i;
       rtx last;
@@ -1503,13 +1504,14 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
 	     if I is 1, use the next to lowest word; and so on.  */
 	  /* Word number in TARGET to use.  */
 	  unsigned int wordnum
-	    = (WORDS_BIG_ENDIAN
+	    = (backwards
 	       ? GET_MODE_SIZE (GET_MODE (target)) / UNITS_PER_WORD - i - 1
 	       : i);
 	  /* Offset from start of field in OP0.  */
-	  unsigned int bit_offset = (WORDS_BIG_ENDIAN
-				     ? MAX (0, ((int) bitsize - ((int) i + 1)
-						* (int) BITS_PER_WORD))
+	  unsigned int bit_offset = (backwards
+				     ? MAX ((int) bitsize - ((int) i + 1)
+					    * BITS_PER_WORD,
+					    0)
 				     : (int) i * BITS_PER_WORD);
 	  rtx target_part = operand_subword (target, wordnum, 1, VOIDmode);
 	  rtx result_part
@@ -1541,7 +1543,7 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
 	      for (i = nwords; i < total_words; i++)
 		emit_move_insn
 		  (operand_subword (target,
-				    WORDS_BIG_ENDIAN ? total_words - i - 1 : i,
+				    backwards ? total_words - i - 1 : i,
 				    1, VOIDmode),
 		   const0_rtx);
 	    }