diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/extend.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 26a8e70..d114adc 100644 --- a/gcc/doc/extend.texi +++ b/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 |