On Tue, Apr 16, 2024 at 2:26 AM Andrew Pinski <quic_apin...@quicinc.com> wrote: > > This just adds a clause to make it more obvious that the vector_size > attribute extension works with typedefs. > Note this whole section needs a rewrite to be a similar format as other > extensions. But that is for another day. > > OK?
OK > > gcc/ChangeLog: > > PR c/92880 > * doc/extend.texi (Using Vector Instructions): Add that > the base_types could be a typedef of them. > > Signed-off-by: Andrew Pinski <quic_apin...@quicinc.com> > --- > gcc/doc/extend.texi | 13 +++++++------ > 1 file changed, 7 insertions(+), 6 deletions(-) > > diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi > index 7b54a241a7b..e290265d68d 100644 > --- a/gcc/doc/extend.texi > +++ b/gcc/doc/extend.texi > @@ -12901,12 +12901,13 @@ typedef int v4si __attribute__ ((vector_size (16))); > @end smallexample > > @noindent > -The @code{int} type specifies the @dfn{base type}, while the attribute > specifies > -the vector size for the variable, measured in bytes. For example, the > -declaration above causes the compiler to set the mode for the @code{v4si} > -type to be 16 bytes wide and divided into @code{int} sized units. For > -a 32-bit @code{int} this means a vector of 4 units of 4 bytes, and the > -corresponding mode of @code{foo} is @acronym{V4SI}. > +The @code{int} type specifies the @dfn{base type} (which can be a > +@code{typedef}), while the attribute specifies the vector size for the > +variable, measured in bytes. For example, the declaration above causes > +the compiler to set the mode for the @code{v4si} type to be 16 bytes wide > +and divided into @code{int} sized units. For a 32-bit @code{int} this > +means a vector of 4 units of 4 bytes, and the corresponding mode of > +@code{foo} is @acronym{V4SI}. > > The @code{vector_size} attribute is only applicable to integral and > floating scalars, although arrays, pointers, and function return values > -- > 2.43.0 >