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Diffstat (limited to 'gcc/doc/implement-c.texi')
| -rw-r--r-- | gcc/doc/implement-c.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/implement-c.texi b/gcc/doc/implement-c.texi index 692297b..d7433ba 100644 --- a/gcc/doc/implement-c.texi +++ b/gcc/doc/implement-c.texi @@ -576,6 +576,11 @@ are of scalar types, the expression is interpreted by GCC as a read of the volatile object; in the other cases, the expression is only evaluated for its side effects. +When an object of an aggregate type, with the same size and alignment as a +scalar type @code{S}, is the subject of a volatile access by an assignment +expression or an atomic function, the access to it is performed as if the +object's declared type were @code{volatile S}. + @end itemize @node Declarators implementation |