51 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			51 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								 * Copyright (c) 2003, 2007-11 Matteo Frigo
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								 * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
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								 * Copyright (c) 2012-2013 Romain Dolbeau
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								 *
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								 * Permission is hereby granted, free of charge, to any person obtaining a copy
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								 * of this software and associated documentation files (the "Software"), to deal
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								 * in the Software without restriction, including without limitation the rights
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								 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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								 * copies of the Software, and to permit persons to whom the Software is
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								 * furnished to do so, subject to the following conditions:
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								 *
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								 * The above copyright notice and this permission notice shall be included in
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								 * all copies or substantial portions of the Software.
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								 *
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								 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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								 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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								 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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								 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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								 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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								 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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								 * THE SOFTWARE.
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								 *
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								 */
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								#include "kernel/ifftw.h"
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								#if HAVE_KCVI
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								#if defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64)
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								#include "amd64-cpuid.h"
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								int X(have_simd_kcvi)(void)
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								{
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								       static int init = 0, res;
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								       if (!init) {
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								         res = 1;
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								         init = 1;
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								       }
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								       return res;
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								}
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								#else /* 32-bit code */
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								#error "KCvi is 64 bits only"
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								#endif
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								#endif
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