Chris@42: /* Chris@42: * Copyright (c) 2003, 2007-11 Matteo Frigo Chris@42: * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology Chris@42: * Copyright (c) 2012-2013 Romain Dolbeau Chris@42: * Chris@42: * Permission is hereby granted, free of charge, to any person obtaining a copy Chris@42: * of this software and associated documentation files (the "Software"), to deal Chris@42: * in the Software without restriction, including without limitation the rights Chris@42: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell Chris@42: * copies of the Software, and to permit persons to whom the Software is Chris@42: * furnished to do so, subject to the following conditions: Chris@42: * Chris@42: * The above copyright notice and this permission notice shall be included in Chris@42: * all copies or substantial portions of the Software. Chris@42: * Chris@42: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR Chris@42: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, Chris@42: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE Chris@42: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER Chris@42: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, Chris@42: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN Chris@42: * THE SOFTWARE. Chris@42: * Chris@42: */ Chris@42: Chris@42: #include "ifftw.h" Chris@42: Chris@42: #if HAVE_KCVI Chris@42: Chris@42: #if defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) Chris@42: Chris@42: #include "amd64-cpuid.h" Chris@42: Chris@42: int X(have_simd_kcvi)(void) Chris@42: { Chris@42: static int init = 0, res; Chris@42: if (!init) { Chris@42: res = 1; Chris@42: init = 1; Chris@42: } Chris@42: return res; Chris@42: } Chris@42: Chris@42: #else /* 32-bit code */ Chris@42: Chris@42: #error "KCvi is 64 bits only" Chris@42: Chris@42: #endif Chris@42: Chris@42: #endif