i386.c (memory_address_length): Added missing part from my previous commit.

	* config/i386/i386.c (memory_address_length):
	Added missing part from my previous commit.

From-SVN: r192694

gcc/ChangeLog

@@ -18,8 +18,8 @@
 
 	* config/i386/i386.c (memory_address_length): Assert that non-null
 	base or index RTXes are registers.  Do not check for REG RTXes.
-	Determine addr32 prefix from original base and index RTXes.
-	Simplify code.
+	Determine addr32 prefix using SImode_address_operand or
+	from original base and index RTXes.  Simplify code.
 
 2012-10-22  Richard Biener  <rguenther@suse.de>
 

gcc/config/i386/i386.c

@@ -23780,7 +23780,8 @@ memory_address_length (rtx addr, bool lea)
 
   /*  If this is not LEA instruction, add the length of addr32 prefix.  */
   if (TARGET_64BIT && !lea
-      && ((parts.base && GET_MODE (parts.base) == SImode)
+      && (SImode_address_operand (addr, VOIDmode)
+	  || (parts.base && GET_MODE (parts.base) == SImode)
 	  || (parts.index && GET_MODE (parts.index) == SImode)))
     len++;