i386.c (ix86_decompose_address): Prevent %fs:(%reg) addresses only when %reg is not in word mode.

	* config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
	addresses only when %reg is not in word mode.

From-SVN: r185327

gcc/ChangeLog

+2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
+	addresses only when %reg is not in word mode.
+
 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* config/microblaze/microblaze.md: Fix typo.

gcc/config/i386/i386.c

@@ -11563,8 +11563,10 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
 	return 0;
     }
 
-  if (seg != SEG_DEFAULT && (base || index)
-      && !TARGET_TLS_INDIRECT_SEG_REFS)
+/* Address override works only on the (%reg) part of %fs:(%reg).  */
+  if (seg != SEG_DEFAULT
+      && ((base && GET_MODE (base) != word_mode)
+	  || (index && GET_MODE (index) != word_mode)))
     return 0;
 
   /* Extract the integral value of scale.  */