From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 27 Mar 2012 20:50:16 +0000 (+0000)
Subject: 	PR middle-end/51893
X-Git-Tag: upstream/4.9.2~13550
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cefa4c337f087ee2eb751d7b4ea93ae323c14f57;p=platform%2Fupstream%2Flinaro-gcc.git

	PR middle-end/51893
	* expmed.c (store_bit_field_1): Fix wordnum value for big-endian
	targets.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185897 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cc4f0cb..a7a7661 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
+
+	PR middle-end/51893
+	* expmed.c (store_bit_field_1): Fix wordnum value for big-endian
+	targets.
+
 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/50751
diff --git a/gcc/expmed.c b/gcc/expmed.c
index 54e51dc..5eea2ab 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -550,7 +550,10 @@ store_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
 	{
 	  /* If I is 0, use the low-order word in both field and target;
 	     if I is 1, use the next to lowest word; and so on.  */
-	  unsigned int wordnum = (backwards ? nwords - i - 1 : i);
+	  unsigned int wordnum = (backwards
+				  ? GET_MODE_SIZE (fieldmode) / UNITS_PER_WORD
+				  - i - 1
+				  : i);
 	  unsigned int bit_offset = (backwards
 				     ? MAX ((int) bitsize - ((int) i + 1)
 					    * BITS_PER_WORD,