69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* dvdisaster: Additional error correction for optical media.
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* Copyright (C) 2004-2011 Carsten Gnoerlich.
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* Project home page: http://www.dvdisaster.com
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* Email: carsten@dvdisaster.com -or- cgnoerlich@fsfe.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA,
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* or direct your browser at http://www.gnu.org.
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*/
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#include "dvdisaster.h"
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#ifdef HAVE_SSE2
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#include <emmintrin.h>
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#ifdef HAVE_CPUID
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#include <cpuid.h>
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#else
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#include "compat/cpuid.h"
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#endif
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#endif
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/***
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*** Reed-Solomon encoding using SSE2 intrinsics
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***/
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/* SSE 2 version */
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#ifdef HAVE_SSE2
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int ProbeSSE2(void)
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{ unsigned int eax, ebx, ecx, edx;
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if(!__get_cpuid(1, &eax, &ebx, &ecx, &edx))
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{ Verbose("[ProbeSSE2: get_cpuid() failed]\n");
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return 0;
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}
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if(edx & bit_SSE2)
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{ Verbose("[ProbeSSE2: SSE2 available]\n");
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return 1;
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}
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else
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{ Verbose("[ProbeSSE2: no SSE2]\n");
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return 0;
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}
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}
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#else /* don't have SSE2 */
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/* Stub functions to keep the linker happy.
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* Should never be executed.
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*/
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int ProbeSSE2()
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{ return 0;
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}
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#endif /* HAVE_SSE2 */
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