gimple.h (struct gimple_statement_base): Align subcode to 16 bits.

2014-04-01  Richard Biener  <rguenther@suse.de>

	* gimple.h (struct gimple_statement_base): Align subcode to
	16 bits.

From-SVN: r208978

gcc/ChangeLog

+2014-04-01  Richard Biener  <rguenther@suse.de>
+
+	* gimple.h (struct gimple_statement_base): Align subcode to
+	16 bits.
+
 2014-04-01  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 
 	* doc/invoke.texi (mapp-regs): Clarify.

gcc/gimple.h

@@ -166,6 +166,9 @@ struct GTY((desc ("gimple_statement_structure (&%h)"), tag ("GSS_BASE"),
   /* Nonzero if this statement contains volatile operands.  */
   unsigned has_volatile_ops 	: 1;
 
+  /* Padding to get subcode to 16 bit alignment.  */
+  unsigned pad			: 1;
+
   /* The SUBCODE field can be used for tuple-specific flags for tuples
      that do not require subcodes.  Note that SUBCODE should be at
      least as wide as tree codes, as several tuples store tree codes