diff options
Diffstat (limited to 'sysdeps/aarch64/fpu/s_lrint.c')
-rw-r--r-- | sysdeps/aarch64/fpu/s_lrint.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/s_lrint.c b/sysdeps/aarch64/fpu/s_lrint.c new file mode 100644 index 0000000000..8ff9520b77 --- /dev/null +++ b/sysdeps/aarch64/fpu/s_lrint.c @@ -0,0 +1,53 @@ +/* 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 lrint +#endif + +#ifndef ITYPE +# define ITYPE double +# define IREGS "d" +#else +# ifndef IREGS +# error IREGS not defined +# endif +#endif + +#ifndef OTYPE +# define OTYPE long int +#endif + +#define OREGS "x" + +#define __CONCATX(a,b) __CONCAT(a,b) + +OTYPE +__CONCATX(__,FUNC) (ITYPE x) +{ + OTYPE result; + ITYPE temp; + asm ( "frintx" "\t%" IREGS "1, %" IREGS "2\n\t" + "fcvtzs" "\t%" OREGS "0, %" IREGS "1" + : "=r" (result), "=w" (temp) : "w" (x) ); + return result; +} + +weak_alias (__CONCATX(__,FUNC), FUNC) |