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| author | Alistair Francis <alistair.francis@wdc.com> | 2022-09-20 15:21:13 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@redhat.com> | 2022-09-21 14:37:43 -0400 |
| commit | 2e81493fa6f45e2df14a735b95717e867f716ebb (patch) | |
| tree | ef9dda4ff71027e00c22e35a280a98c97ad89b76 /sysdeps/riscv/rvf | |
| parent | 73e9fe43acb15722ebe06de741dbdb8cdb768ad1 (diff) | |
| download | glibc-2e81493fa6f45e2df14a735b95717e867f716ebb.tar.gz glibc-2e81493fa6f45e2df14a735b95717e867f716ebb.tar.xz glibc-2e81493fa6f45e2df14a735b95717e867f716ebb.zip | |
riscv: Remove RV32 floating point functions
We don't need RV32 specific floating point functions, instead make them generic for RISC-V. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/riscv/rvf')
| -rw-r--r-- | sysdeps/riscv/rvf/s_lrintf.c | 39 | ||||
| -rw-r--r-- | sysdeps/riscv/rvf/s_lroundf.c | 39 |
2 files changed, 78 insertions, 0 deletions
diff --git a/sysdeps/riscv/rvf/s_lrintf.c b/sysdeps/riscv/rvf/s_lrintf.c new file mode 100644 index 0000000000..0bd4945df7 --- /dev/null +++ b/sysdeps/riscv/rvf/s_lrintf.c @@ -0,0 +1,39 @@ +/* lrintf(). 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 +__lrintf (float x) +{ + long int res; + asm (OP "\t%0, %1" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_float (__lrint, lrint) 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) |