diff options
Diffstat (limited to 'sysdeps/aarch64/fpu/s_fma.c')
-rw-r--r-- | sysdeps/aarch64/fpu/s_fma.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/s_fma.c b/sysdeps/aarch64/fpu/s_fma.c new file mode 100644 index 0000000000..adbcfc1db1 --- /dev/null +++ b/sysdeps/aarch64/fpu/s_fma.c @@ -0,0 +1,45 @@ +/* Copyright (C) 1996-2014 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 + <http://www.gnu.org/licenses/>. */ + +#include <math.h> + +#ifndef FUNC +# define FUNC fma +#endif + +#ifndef TYPE +# define TYPE double +# define REGS "d" +#else +# ifndef REGS +# error REGS not defined +# endif +#endif + +#define __CONCATX(a,b) __CONCAT(a,b) + +TYPE +__CONCATX(__,FUNC) (TYPE x, TYPE y, TYPE z) +{ + TYPE result; + asm ( "fmadd" "\t%" REGS "0, %" REGS "1, %" REGS "2, %" REGS "3" + : "=w" (result) : "w" (x), "w" (y), "w" (z) ); + return result; +} + +weak_alias (__CONCATX(__,FUNC), FUNC) |