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[libgomp, nvptx] Note that cuGetErrorString is in CUDA_VERSION >= 6000

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Cuda driver api function cuGetErrorString is available in version 6.0 and
higher.

This patch:
- removes a comment saying the declaration is not available in cuda.h 6.0
- fixes the presence test to use CUDA_VERSION < 6000
- moves the declaration to toplevel

Build on x86_64 with nvptx accelerator and reg-tested libgomp.

2018-08-08  Tom de Vries  <tdevries@suse.de>

	* plugin/plugin-nvptx.c (cuda_error): Move declaration of cuGetErrorString ...
	(cuGetErrorString): ... here.  Guard with CUDA_VERSION < 6000.

From-SVN: r263405
This commit is contained in:
Tom de Vries 2018-08-08 14:26:10 +00:00 • committed by Tom de Vries
parent dc878fea7a
commit 94767dacea
2 changed files with 9 additions and 5 deletions
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5
libgomp/ChangeLog
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@ -1,3 +1,8 @@
2018-08-08 Tom de Vries <tdevries@suse.de>
* plugin/plugin-nvptx.c (cuda_error): Move declaration of cuGetErrorString ...
(cuGetErrorString): ... here. Guard with CUDA_VERSION < 6000.
2018-08-07 Tom de Vries <tdevries@suse.de>
* plugin/plugin-nvptx.c (DO_PRAGMA): Define.

9
libgomp/plugin/plugin-nvptx.c
View file

@ -49,6 +49,10 @@
#include <assert.h>
#include <errno.h>
#if CUDA_VERSION < 6000
extern CUresult cuGetErrorString (CUresult, const char **);
#endif
#define DO_PRAGMA(x) _Pragma (#x)
#if PLUGIN_NVPTX_DYNAMIC
@ -156,11 +160,6 @@ init_cuda_lib (void)
static const char *
cuda_error (CUresult r)
{
#if CUDA_VERSION < 7000
/* Specified in documentation and present in library from at least
5.5. Not declared in header file prior to 7.0. */
extern CUresult cuGetErrorString (CUresult, const char **);
#endif
const char *desc;
r = CUDA_CALL_NOCHECK (cuGetErrorString, r, &desc);