ffi64.c (ffi_prep_args ): 8-align all stack arguments.

2004-08-10  Andrew Haley  <aph@redhat.com>

	* src/x86/ffi64.c (ffi_prep_args ): 8-align all stack arguments.

From-SVN: r85753

libffi/ChangeLog

+2004-08-10  Andrew Haley  <aph@redhat.com>
+
+	* src/x86/ffi64.c (ffi_prep_args ): 8-align all stack arguments.
+
 2004-08-01  Robert Millan  <robertmh@gnu.org>
 
 	* configure.ac: Detect knetbsd-gnu and kfreebsd-gnu.

libffi/src/x86/ffi64.c

@@ -341,6 +341,8 @@ ffi_prep_args (stackLayout *stack, extended_cif *ecif)
 	{
 	  /* Pass this argument in memory.  */
 	  argp = (void *)ALIGN(argp, (*p_arg)->alignment);
+	  /* Stack arguments are *always* at least 8 byte aligned.  */
+	  argp = (void *)ALIGN(argp, 8);
 	  memcpy (argp, *p_argv, (*p_arg)->size);
 	  argp += (*p_arg)->size;
 	}