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| -rw-r--r-- | gcc/doc/extend.texi | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 7b54a24..e290265 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 |