cannam@127: /* cannam@127: * Copyright (c) 2003, 2007-11 Matteo Frigo cannam@127: * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology cannam@127: * Copyright (c) 2012-2013 Romain Dolbeau cannam@127: * cannam@127: * Permission is hereby granted, free of charge, to any person obtaining a copy cannam@127: * of this software and associated documentation files (the "Software"), to deal cannam@127: * in the Software without restriction, including without limitation the rights cannam@127: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell cannam@127: * copies of the Software, and to permit persons to whom the Software is cannam@127: * furnished to do so, subject to the following conditions: cannam@127: * cannam@127: * The above copyright notice and this permission notice shall be included in cannam@127: * all copies or substantial portions of the Software. cannam@127: * cannam@127: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR cannam@127: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, cannam@127: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE cannam@127: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER cannam@127: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, cannam@127: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN cannam@127: * THE SOFTWARE. cannam@127: * cannam@127: */ cannam@127: cannam@127: #include "ifftw.h" cannam@127: cannam@127: #if HAVE_KCVI cannam@127: cannam@127: #if defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) cannam@127: cannam@127: #include "amd64-cpuid.h" cannam@127: cannam@127: int X(have_simd_kcvi)(void) cannam@127: { cannam@127: static int init = 0, res; cannam@127: if (!init) { cannam@127: res = 1; cannam@127: init = 1; cannam@127: } cannam@127: return res; cannam@127: } cannam@127: cannam@127: #else /* 32-bit code */ cannam@127: cannam@127: #error "KCvi is 64 bits only" cannam@127: cannam@127: #endif cannam@127: cannam@127: #endif