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| author | Dominique d'Humieres <dominiq@lps.ens.fr> | 2014-03-26 21:39:42 +0100 |
|---|---|---|
| committer | Dominique d'Humieres <dominiq@gcc.gnu.org> | 2014-03-26 21:39:42 +0100 |
| commit | 274c7b7b4c6f279d9111b3e7aacf3054d57542d5 (patch) | |
| tree | 28b6b30cf763b9b9b93c881cf2d7deddaf719196 | |
| parent | 6690cb2ea564dac7c5bbaedc0d005fc6516d31f4 (diff) | |
| download | gcc-274c7b7b4c6f279d9111b3e7aacf3054d57542d5.zip gcc-274c7b7b4c6f279d9111b3e7aacf3054d57542d5.tar.gz gcc-274c7b7b4c6f279d9111b3e7aacf3054d57542d5.tar.bz2 | |
re PR fortran/34928 (Extension: volatile common blocks)
PR fortran/34928
* fortran.texi: Document Volatile COMMON as not supported.
From-SVN: r208852
| -rw-r--r-- | gcc/fortran/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fortran/gfortran.texi | 13 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 3e4d08d..848a76e 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,8 @@ +2014-03-26 Dominique d'Humieres <dominiq@lps.ens.fr> + + PR fortran/34928 + * fortran.texi: Document Volatile COMMON as not supported. + 2014-03-22 Jakub Jelinek <jakub@redhat.com> PR debug/60603 diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi index 725ee8d..773ec62 100644 --- a/gcc/fortran/gfortran.texi +++ b/gcc/fortran/gfortran.texi @@ -2003,6 +2003,7 @@ code that uses them running with the GNU Fortran compiler. @c * CARRIAGECONTROL, DEFAULTFILE, DISPOSE and RECORDTYPE I/O specifiers:: @c * Omitted arguments in procedure call:: * Alternate complex function syntax:: +* Volatile COMMON blocks:: @end menu @@ -2197,6 +2198,18 @@ extensions. @command{gfortran} accepts the latter form, which is more common, but not the former. +@node Volatile COMMON blocks +@subsection Volatile @code{COMMON} blocks +@cindex @code{VOLATILE} +@cindex @code{COMMON} + +Some Fortran compilers, including @command{g77}, let the user declare +@code{COMMON} with the @code{VOLATILE} attribute. This is +invalid standard Fortran syntax and is not supported by +@command{gfortran}. Note that @command{gfortran} accepts +@code{VOLATILE} variables in @code{COMMON} blocks since revision 4.3. + + @c --------------------------------------------------------------------- @c Mixed-Language Programming |