[OpenACC] Update documentation to mention OpenACC 2.5

Index: gcc/c-family/c-cppbuiltin.c
===================================================================
--- gcc/c-family/c-cppbuiltin.c	(revision 265711)
+++ gcc/c-family/c-cppbuiltin.c	(working copy)
@@ -1396,7 +1396,7 @@  c_cpp_builtins (cpp_reader *pfile)
     cpp_define (pfile, "__SSP__=1");
 
   if (flag_openacc)
-    cpp_define (pfile, "_OPENACC=201306");
+    cpp_define (pfile, "_OPENACC=201510");
 
   if (flag_openmp)
     cpp_define (pfile, "_OPENMP=201511");
Index: gcc/doc/invoke.texi
===================================================================
--- gcc/doc/invoke.texi	(revision 265711)
+++ gcc/doc/invoke.texi	(working copy)
@@ -2178,10 +2178,12 @@  freestanding and hosted environments.
 Enable handling of OpenACC directives @code{#pragma acc} in C/C++ and
 @code{!$acc} in Fortran.  When @option{-fopenacc} is specified, the
 compiler generates accelerated code according to the OpenACC Application
-Programming Interface v2.0 @w{@uref{https://www.openacc.org}}.  This option
+Programming Interface v2.5 @w{@uref{https://www.openacc.org}}.  This option
 implies @option{-pthread}, and thus is only supported on targets that
 have support for @option{-pthread}.
 
+See @uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
+
 @item -fopenacc-dim=@var{geom}
 @opindex fopenacc-dim
 @cindex OpenACC accelerator programming
Index: gcc/fortran/cpp.c
===================================================================
--- gcc/fortran/cpp.c	(revision 265711)
+++ gcc/fortran/cpp.c	(working copy)
@@ -166,7 +166,7 @@  cpp_define_builtins (cpp_reader *pfile)
   cpp_define (pfile, "_LANGUAGE_FORTRAN=1");
 
   if (flag_openacc)
-    cpp_define (pfile, "_OPENACC=201306");
+    cpp_define (pfile, "_OPENACC=201510");
 
   if (flag_openmp)
     cpp_define (pfile, "_OPENMP=201511");
Index: gcc/fortran/gfortran.texi
===================================================================
--- gcc/fortran/gfortran.texi	(revision 265711)
+++ gcc/fortran/gfortran.texi	(working copy)
@@ -476,9 +476,7 @@  used on real-world programs.  In particular, the s
 include OpenMP, Cray-style pointers, some old vendor extensions, and several
 Fortran 2003 and Fortran 2008 features, including TR 15581.  However, it is
 still under development and has a few remaining rough edges.
-There also is initial support for OpenACC.
-Note that this is an experimental feature, incomplete, and subject to
-change in future versions of GCC.  See
+There also is support for OpenACC.  See
 @uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
 
 At present, the GNU Fortran compiler passes the
@@ -538,10 +536,8 @@  status} and @ref{Fortran 2018 status} sections of
 Additionally, the GNU Fortran compilers supports the OpenMP specification
 (version 4.0 and most of the features of the 4.5 version,
 @url{http://openmp.org/@/wp/@/openmp-specifications/}).
-There also is initial support for the OpenACC specification (targeting
-version 2.0, @uref{http://www.openacc.org/}).
-Note that this is an experimental feature, incomplete, and subject to
-change in future versions of GCC.  See
+There also is support for the OpenACC specification (targeting
+version 2.5, @uref{http://www.openacc.org/}).  See
 @uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
 
 @node Varying Length Character Strings
@@ -2178,7 +2174,7 @@  influence run-time behavior.
 
 GNU Fortran strives to be compatible to the
 @uref{http://www.openacc.org/, OpenACC Application Programming
-Interface v2.0}.
+Interface v2.5}.
 
 To enable the processing of the OpenACC directive @code{!$acc} in
 free-form source code; the @code{c$acc}, @code{*$acc} and @code{!$acc}
@@ -2194,9 +2190,7 @@  The OpenACC Fortran runtime library routines are p
 form of a Fortran 90 module named @code{openacc} and in a form of a
 Fortran @code{include} file named @file{openacc_lib.h}.
 
-Note that this is an experimental feature, incomplete, and subject to
-change in future versions of GCC.  See
-@uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
+See @uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
 
 @node Argument list functions
 @subsection Argument list functions @code{%VAL}, @code{%REF} and @code{%LOC}
Index: gcc/fortran/intrinsic.texi
===================================================================
--- gcc/fortran/intrinsic.texi	(revision 265711)
+++ gcc/fortran/intrinsic.texi	(working copy)
@@ -14925,7 +14925,7 @@  kind @code{omp_proc_bind_kind}:
 @section OpenACC Module @code{OPENACC}
 @table @asis
 @item @emph{Standard}:
-OpenACC Application Programming Interface v2.0
+OpenACC Application Programming Interface v2.5
 @end table
 
 
@@ -14939,9 +14939,9 @@  are listed below.
 
 For details refer to the actual
 @uref{http://www.openacc.org/,
-OpenACC Application Programming Interface v2.0}.
+OpenACC Application Programming Interface v2.5}.
 
 @code{OPENACC} provides the scalar default-integer
 named constant @code{openacc_version} with a value of the form
 @var{yyyymm}, where @code{yyyy} is the year and @var{mm} the month
-of the OpenACC version; for OpenACC v2.0 the value is @code{201306}.
+of the OpenACC version; for OpenACC v2.5 the value is @code{201510}.
Index: gcc/fortran/invoke.texi
===================================================================
--- gcc/fortran/invoke.texi	(revision 265711)
+++ gcc/fortran/invoke.texi	(working copy)
@@ -362,9 +362,7 @@  compilation sentinels in free form and @code{c$},
 @code{!$} sentinels in fixed form, and when linking arranges for the
 OpenACC runtime library to be linked in.
 
-Note that this is an experimental feature, incomplete, and subject to
-change in future versions of GCC.  See
-@w{@uref{https://gcc.gnu.org/wiki/OpenACC}} for more information.
+See @w{@uref{https://gcc.gnu.org/wiki/OpenACC}} for more information.
 
 @item -fopenmp
 @opindex @code{fopenmp}
Index: gcc/testsuite/c-c++-common/cpp/openacc-define-3.c
===================================================================
--- gcc/testsuite/c-c++-common/cpp/openacc-define-3.c	(revision 265711)
+++ gcc/testsuite/c-c++-common/cpp/openacc-define-3.c	(working copy)
@@ -6,6 +6,6 @@ 
 # error _OPENACC not defined
 #endif
 
-#if _OPENACC != 201306
+#if _OPENACC != 201510
 # error _OPENACC defined to wrong value
 #endif
Index: gcc/testsuite/gfortran.dg/openacc-define-3.f90
===================================================================
--- gcc/testsuite/gfortran.dg/openacc-define-3.f90	(revision 265711)
+++ gcc/testsuite/gfortran.dg/openacc-define-3.f90	(working copy)
@@ -6,6 +6,6 @@ 
 # error _OPENACC not defined
 #endif
 
-#if _OPENACC != 201306
+#if _OPENACC != 201510
 # error _OPENACC defined to wrong value
 #endif
Index: libgomp/libgomp.texi
===================================================================
--- libgomp/libgomp.texi	(revision 265711)
+++ libgomp/libgomp.texi	(working copy)
@@ -1817,11 +1817,9 @@  arranges for automatic linking of the OpenACC runt
 
 A complete description of all OpenACC directives accepted may be found in 
 the @uref{https://www.openacc.org, OpenACC} Application Programming
-Interface manual, version 2.0.
+Interface manual, version 2.5.
 
-Note that this is an experimental feature and subject to
-change in future versions of GCC.  See
-@uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
+See @uref{https://gcc.gnu.org/wiki/OpenACC} for more information.
 
 
 
@@ -1833,12 +1831,15 @@  the @uref{https://www.openacc.org, OpenACC} Applic
 @chapter OpenACC Runtime Library Routines
 
 The runtime routines described here are defined by section 3 of the OpenACC
-specifications in version 2.0.
+specification in version 2.0.
 They have C linkage, and do not throw exceptions.
 Generally, they are available only for the host, with the exception of
 @code{acc_on_device}, which is available for both the host and the
 acceleration device.
 
+This list has not yet been updated for the OpenACC specification in
+version 2.5.
+
 @menu
 * acc_get_num_devices::         Get number of devices for the given device
                                 type.
@@ -2823,8 +2824,9 @@  A.2.1.4.
 @node OpenACC Environment Variables
 @chapter OpenACC Environment Variables
 
-The variables @env{ACC_DEVICE_TYPE} and @env{ACC_DEVICE_NUM}
-are defined by section 4 of the OpenACC specification in version 2.0.
+The variables @env{ACC_DEVICE_TYPE}, @env{ACC_DEVICE_NUM},
+and @code{ACC_PROFLIB}
+are defined by section 4 of the OpenACC specification in version 2.5.
 The variable @env{GCC_ACC_NOTIFY} is used for diagnostic purposes.
 
 @menu
@@ -2839,7 +2841,7 @@  The variable @env{GCC_ACC_NOTIFY} is used for diag
 @section @code{ACC_DEVICE_TYPE}
 @table @asis
 @item @emph{Reference}:
-@uref{https://www.openacc.org, OpenACC specification v2.0}, section
+@uref{https://www.openacc.org, OpenACC specification v2.5}, section
 4.1.
 @end table
 
@@ -2849,7 +2851,7 @@  The variable @env{GCC_ACC_NOTIFY} is used for diag
 @section @code{ACC_DEVICE_NUM}
 @table @asis
 @item @emph{Reference}:
-@uref{https://www.openacc.org, OpenACC specification v2.0}, section
+@uref{https://www.openacc.org, OpenACC specification v2.5}, section
 4.2.
 @end table
 
@@ -3065,8 +3067,8 @@  is called prior to a call to @code{cudaCreate()}.
 is called prior to a call to an OpenACC function, then you must call
 @code{acc_set_device_num()}@footnote{More complete information
 about @env{ACC_DEVICE_TYPE} and @env{ACC_DEVICE_NUM} can be found in
-sections 4.1 and 4.2 of the @uref{https://www.openacc.org, OpenACC}
-Application Programming Interface”, Version 2.0.}
+sections 4.1 and 4.2 of the @uref{https://www.openacc.org, OpenACC
+Application Programming Interface}, version 2.5.}
 
 
 
Index: libgomp/openacc.f90
===================================================================
--- libgomp/openacc.f90	(revision 265711)
+++ libgomp/openacc.f90	(working copy)
@@ -530,7 +530,7 @@  module openacc
   public :: acc_present_or_create, acc_pcreate, acc_copyout, acc_delete
   public :: acc_update_device, acc_update_self, acc_is_present
 
-  integer, parameter :: openacc_version = 201306
+  integer, parameter :: openacc_version = 201510
 
   interface acc_get_num_devices
     procedure :: acc_get_num_devices_h
Index: libgomp/openacc_lib.h
===================================================================
--- libgomp/openacc_lib.h	(revision 265711)
+++ libgomp/openacc_lib.h	(working copy)
@@ -49,7 +49,7 @@ 
       integer (acc_handle_kind), parameter :: acc_async_noval = -1
       integer (acc_handle_kind), parameter :: acc_async_sync = -2
 
-      integer, parameter :: openacc_version = 201306
+      integer, parameter :: openacc_version = 201510
 
       interface acc_get_num_devices
         function acc_get_num_devices_h (d)
Index: libgomp/testsuite/libgomp.oacc-fortran/openacc_version-1.f
===================================================================
--- libgomp/testsuite/libgomp.oacc-fortran/openacc_version-1.f	(revision 265711)
+++ libgomp/testsuite/libgomp.oacc-fortran/openacc_version-1.f	(working copy)
@@ -4,6 +4,6 @@ 
       implicit none
       include "openacc_lib.h"
 
-      if (openacc_version .ne. 201306) STOP 1
+      if (openacc_version .ne. 201510) STOP 1
 
       end program main
Index: libgomp/testsuite/libgomp.oacc-fortran/openacc_version-2.f90
===================================================================
--- libgomp/testsuite/libgomp.oacc-fortran/openacc_version-2.f90	(revision 265711)
+++ libgomp/testsuite/libgomp.oacc-fortran/openacc_version-2.f90	(working copy)
@@ -4,6 +4,6 @@  program main
   use openacc
   implicit none
 
-  if (openacc_version .ne. 201306) STOP 1
+  if (openacc_version .ne. 201510) STOP 1
 
 end program main