/* FMA version of fmaf. Copyright (C) 2009-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include #ifdef HAVE_AVX_SUPPORT extern float __fmaf_sse2 (float x, float y, float z) attribute_hidden; static float __fmaf_fma3 (float x, float y, float z) { asm ("vfmadd213ss %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z)); return x; } # ifdef HAVE_FMA4_SUPPORT static float __fmaf_fma4 (float x, float y, float z) { asm ("vfmaddss %3, %2, %1, %0" : "=x" (x) : "x" (x), "x" (y), "x" (z)); return x; } # else # undef HAS_FMA4 # define HAS_FMA4 0 # define __fmaf_fma4 ((void *) 0) # endif libm_ifunc (__fmaf, HAS_FMA ? __fmaf_fma3 : (HAS_FMA4 ? __fmaf_fma4 : __fmaf_sse2)); weak_alias (__fmaf, fmaf) # define __fmaf __fmaf_sse2 #endif #include