[gomp4] note why 3 is missing

[gomp4] note why 3 is missing

[Nathan Sidwell]

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I committed this to gomp4 branch to note why device type 3 is missing. 
Someone's bound to forget ...

nathan

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2015-08-01  Nathan Sidwell  <nathan@codesourcery.com>

	include/
	* gomp-constants.h: Note why device 3 is missing.

	libgomp/
	* openacc.h: Note why device 3 is missing.
	* openacc.f90: Likewise.
	* openacc_lib.h: Likewise.

Index: include/gomp-constants.h
===================================================================
--- include/gomp-constants.h	(revision 226469)
+++ include/gomp-constants.h	(working copy)
@@ -109,11 +109,11 @@ enum gomp_map_kind
 
 
 /* Device codes.  Keep in sync with
-   libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_device_t as well as
-   libgomp/libgomp_target.h.  */
+   libgomp/{openacc.h,openacc.f90,openacc_lib.h}:acc_device_t.  */
 #define GOMP_DEVICE_NONE		0
 #define GOMP_DEVICE_DEFAULT		1
 #define GOMP_DEVICE_HOST		2
+/*  3 obsoleted.  */
 #define GOMP_DEVICE_NOT_HOST		4
 #define GOMP_DEVICE_NVIDIA_PTX		5
 #define GOMP_DEVICE_INTEL_MIC		6
@@ -147,6 +147,7 @@ enum gomp_map_kind
 /* Versions of libgomp and device-specific plugins.  */
 #define GOMP_VERSION	0
 #define GOMP_VERSION_NVIDIA_PTX 1
+#define GOMP_VERSION_INTEL_MIC 0
 
 #define GOMP_VERSION_PACK(LIB, DEV) (((LIB) << 16) | (DEV))
 #define GOMP_VERSION_LIB(PACK) (((PACK) >> 16) & 0xffff)
Index: libgomp/openacc.h
===================================================================
--- libgomp/openacc.h	(revision 226469)
+++ libgomp/openacc.h	(working copy)
@@ -53,6 +53,7 @@ typedef enum acc_device_t
     acc_device_none = 0,
     acc_device_default = 1,
     acc_device_host = 2,
+    /* 3 obsoleted.  */
     acc_device_not_host = 4,
     acc_device_nvidia = 5,
     _ACC_device_hwm
Index: libgomp/openacc.f90
===================================================================
--- libgomp/openacc.f90	(revision 226469)
+++ libgomp/openacc.f90	(working copy)
@@ -43,6 +43,7 @@ module openacc_kinds
   integer (acc_device_kind), parameter :: acc_device_none = 0
   integer (acc_device_kind), parameter :: acc_device_default = 1
   integer (acc_device_kind), parameter :: acc_device_host = 2
+  ! 3 obsoleted. 
   integer (acc_device_kind), parameter :: acc_device_not_host = 4
   integer (acc_device_kind), parameter :: acc_device_nvidia = 5
 
Index: libgomp/openacc_lib.h
===================================================================
--- libgomp/openacc_lib.h	(revision 226469)
+++ libgomp/openacc_lib.h	(working copy)
@@ -38,6 +38,7 @@
       integer (acc_device_kind), parameter :: acc_device_none = 0
       integer (acc_device_kind), parameter :: acc_device_default = 1
       integer (acc_device_kind), parameter :: acc_device_host = 2
+! 3 obsoleted.
       integer (acc_device_kind), parameter :: acc_device_not_host = 4
       integer (acc_device_kind), parameter :: acc_device_nvidia = 5