diff options
Diffstat (limited to 'gcc/fortran/gfortran.texi')
| -rw-r--r-- | gcc/fortran/gfortran.texi | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi index 65a2542de6e..908e05aec76 100644 --- a/gcc/fortran/gfortran.texi +++ b/gcc/fortran/gfortran.texi @@ -1,7 +1,7 @@ \input texinfo @c -*-texinfo-*- @c %**start of header @setfilename gfortran.info -@set copyrights-gfortran 1999-2005 +@set copyrights-gfortran 1999-2006 @include gcc-common.texi @@ -493,10 +493,6 @@ Option to initialize otherwise uninitialized integer and floating point variables. @item -Support for OpenMP directives. This also requires support from the runtime -library and the rest of the compiler. - -@item Support for Fortran 200x. This includes several new features including floating point exceptions, extended use of allocatable arrays, C interoperability, Parameterizer data types and function pointers. @@ -658,6 +654,7 @@ of extensions, and @option{-std=legacy} allows both without warning. * Hollerith constants support:: * Cray pointers:: * CONVERT specifier:: +* OpenMP:: @end menu @node Old-style kind specifications @@ -1049,6 +1046,22 @@ carries a significant speed overhead. If speed in this area matters to you, it is best if you use this only for data that needs to be portable. +@node OpenMP +@section OpenMP +@cindex OpenMP + +gfortran attempts to be OpenMP Application Program Interface v2.5 +compatible when invoked with the @code{-fopenmp} option. gfortran +then generates parallellized code according to the OpenMP directives +used in the source. The OpenMP Fortran runtime library +routines are provided both in a form of Fortran 90 module named +@code{omp_lib} and in a form of a Fortran @code{include} file named +@code{omp_lib.h}. + +For details refer to the actual +@uref{http://www.openmp.org/drupal/mp-documents/spec25.pdf, +OpenMP Application Program Interface v2.5} specification. + @c --------------------------------------------------------------------- @include intrinsic.texi @c --------------------------------------------------------------------- |
