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| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2021-01-03 21:40:04 +0100 |
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| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2021-01-03 21:40:04 +0100 |
| commit | afae4a55ccaa0de95ea11e5f634084db6ab2f444 (patch) | |
| tree | d632cc867d10410ba9fb750523be790b86846ac4 /gcc/doc/implement-c.texi | |
| parent | 9d9a82ec8478ff52c7a9d61f58cd2a7b6295b5f9 (diff) | |
| parent | d2eb616a0f7bea78164912aa438c29fe1ef5774a (diff) | |
| download | gcc-afae4a55ccaa0de95ea11e5f634084db6ab2f444.zip gcc-afae4a55ccaa0de95ea11e5f634084db6ab2f444.tar.gz gcc-afae4a55ccaa0de95ea11e5f634084db6ab2f444.tar.bz2 | |
Merge branch 'master' into devel/coarray_native
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 |