diff options
Diffstat (limited to 'sysdeps/riscv/rvf/s_lroundf.c')
-rw-r--r-- | sysdeps/riscv/rvf/s_lroundf.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/riscv/rvf/s_lroundf.c b/sysdeps/riscv/rvf/s_lroundf.c new file mode 100644 index 0000000000..c6dd141230 --- /dev/null +++ b/sysdeps/riscv/rvf/s_lroundf.c @@ -0,0 +1,39 @@ +/* lroundf(). RISC-V version. + Copyright (C) 2017-2022 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 + <https://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <libm-alias-float.h> +#include <stdint.h> + +#if __WORDSIZE == 64 +# define OP "fcvt.l.s" +#elif __WORDSIZE == 32 +# define OP "fcvt.w.s" +#else +# error Unsupported +#endif + +long int +__lroundf (float x) +{ + long int res; + asm (OP "\t%0, %1, rmm" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_float (__lround, lround) |