diff options
| author | foreese <foreese@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-10-25 15:30:51 +0000 |
|---|---|---|
| committer | foreese <foreese@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-10-25 15:30:51 +0000 |
| commit | b1e8c86c79752b42cdcecb706eacfcdc4db48286 (patch) | |
| tree | 4168fa510d949da5efd576836059e0d1cea0bb96 /gcc/fortran/gfortran.texi | |
| parent | 12c0b82753bcb500cb142f850550324afd7c625c (diff) | |
Enable .XOR. operator with -std=legacy.
gcc/fortran/
* match.c (gfc_match_intrinsic_op): Match ".XOR." with -std=legacy.
* gfortran.texi: Document.
gcc/testsuite/gfortran.dg/
* dec_logical_xor_1.f90: New.
* dec_logical_xor_2.f90: New.
* dec_logical_xor_3.f03: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241520 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/gfortran.texi')
| -rw-r--r-- | gcc/fortran/gfortran.texi | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi index e1256bd8824..60b619f71a9 100644 --- a/gcc/fortran/gfortran.texi +++ b/gcc/fortran/gfortran.texi @@ -1468,6 +1468,7 @@ compatibility extensions along with those enabled by @option{-std=legacy}. * Form feed as whitespace:: * TYPE as an alias for PRINT:: * %LOC as an rvalue:: +* .XOR. operator:: @end menu @node Old-style kind specifications @@ -2558,6 +2559,14 @@ integer :: i call sub(%loc(i)) @end smallexample +@node .XOR. operator +@subsection .XOR. operator +@cindex operators, xor + +GNU Fortran supports @code{.XOR.} as a logical operator with @code{-std=legacy} +for compatibility with legacy code. @code{.XOR.} is equivalent to +@code{.NEQV.}. That is, the output is true if and only if the inputs differ. + @node Extensions not implemented in GNU Fortran @section Extensions not implemented in GNU Fortran @@ -2582,7 +2591,6 @@ code that uses them running with the GNU Fortran compiler. * Variable FORMAT expressions:: @c * Q edit descriptor:: @c * TYPE and ACCEPT I/O Statements:: -@c * .XOR. operator:: @c * CARRIAGECONTROL, DEFAULTFILE, DISPOSE and RECORDTYPE I/O specifiers:: @c * Omitted arguments in procedure call:: * Alternate complex function syntax:: |