mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			87 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
| /* OpenACC Runtime Library: CUDA support glue.
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| 
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|    Copyright (C) 2014-2019 Free Software Foundation, Inc.
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| 
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|    Contributed by Mentor Embedded.
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| 
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|    This file is part of the GNU Offloading and Multi Processing Library
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|    (libgomp).
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| 
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|    Libgomp is free software; you can redistribute it and/or modify it
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|    under the terms of the GNU General Public License as published by
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|    the Free Software Foundation; either version 3, or (at your option)
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|    any later version.
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| 
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|    Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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|    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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|    FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|    more details.
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| 
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|    Under Section 7 of GPL version 3, you are granted additional
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|    permissions described in the GCC Runtime Library Exception, version
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|    3.1, as published by the Free Software Foundation.
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| 
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|    You should have received a copy of the GNU General Public License and
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|    a copy of the GCC Runtime Library Exception along with this program;
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|    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #include "openacc.h"
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| #include "config.h"
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| #include "libgomp.h"
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| #include "oacc-int.h"
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| 
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| void *
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| acc_get_current_cuda_device (void)
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| {
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|   struct goacc_thread *thr = goacc_thread ();
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| 
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|   if (thr && thr->dev && thr->dev->openacc.cuda.get_current_device_func)
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|     return thr->dev->openacc.cuda.get_current_device_func ();
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| 
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|   return NULL;
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| }
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| 
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| void *
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| acc_get_current_cuda_context (void)
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| {
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|   struct goacc_thread *thr = goacc_thread ();
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| 
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|   if (thr && thr->dev && thr->dev->openacc.cuda.get_current_context_func)
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|     return thr->dev->openacc.cuda.get_current_context_func ();
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|  
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|   return NULL;
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| }
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| 
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| void *
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| acc_get_cuda_stream (int async)
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| {
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|   struct goacc_thread *thr = goacc_thread ();
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| 
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|   if (!async_valid_p (async))
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|     return NULL;
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| 
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|   if (thr && thr->dev && thr->dev->openacc.cuda.get_stream_func)
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|     return thr->dev->openacc.cuda.get_stream_func (async);
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|  
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|   return NULL;
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| }
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| 
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| int
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| acc_set_cuda_stream (int async, void *stream)
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| {
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|   struct goacc_thread *thr;
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| 
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|   if (!async_valid_p (async) || stream == NULL)
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|     return 0;
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| 
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|   goacc_lazy_initialize ();
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| 
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|   thr = goacc_thread ();
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| 
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|   if (thr && thr->dev && thr->dev->openacc.cuda.set_stream_func)
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|     return thr->dev->openacc.cuda.set_stream_func (async, stream);
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| 
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|   return -1;
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| }
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