extend.texi (Alignment): Say that the ABI controls the __alignof__ for…

extend.texi (Alignment): Say that the ABI controls the __alignof__ for non-strict-alignment targets...

	* doc/extend.texi (Alignment): Say that the ABI controls
	the __alignof__ for non-strict-alignment targets rather
	than being a recommendation.

From-SVN: r133271

gcc/ChangeLog

+2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
+
+	* doc/extend.texi (Alignment): Say that the ABI controls
+	the __alignof__ for non-strict-alignment targets rather
+	than being a recommendation.
+
 2008-03-15  Paul Brook  <paul@codesourcery.com>
 
 	* config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding

gcc/doc/extend.texi

@@ -3380,7 +3380,8 @@ designs, @code{__alignof__ (double)} is 4 or even 2.
 
 Some machines never actually require alignment; they allow reference to any
 data type even at an odd address.  For these machines, @code{__alignof__}
-reports the @emph{recommended} alignment of a type.
+reports the smallest alignment that GCC will give the data type, usually as
+mandated by the target ABI.
 
 If the operand of @code{__alignof__} is an lvalue rather than a type,
 its value is the required alignment for its type, taking into account