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author | Xiaolin Tang <tangxiaolin@loongson.cn> | 2022-11-07 22:08:19 +0800 |
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committer | caiyinyu <caiyinyu@loongson.cn> | 2022-11-14 10:02:42 +0800 |
commit | 73e35174f5673d58cb8e1bd5f34c086a7759ff20 (patch) | |
tree | 7b0bd8f7337d55ab0a908e8c5d3a963f286fc467 /sysdeps/loongarch/fpu/s_fminmagf.c | |
parent | bd612245748b2662a6e37d6592db5b177f621208 (diff) | |
download | glibc-73e35174f5673d58cb8e1bd5f34c086a7759ff20.tar.gz glibc-73e35174f5673d58cb8e1bd5f34c086a7759ff20.tar.xz glibc-73e35174f5673d58cb8e1bd5f34c086a7759ff20.zip |
LoongArch: Hard Float Support for fmaxmag{f/ }, fminmag{f/ }.
Use hardware Floating-point instruction f{maxa/mina}.{s/d}, to implement fmaxmag{f/ }, fminmag{f/ }. * sysdeps/loongarch/fpu/s_fmaxmag.c: New file. * sysdeps/loongarch/fpu/s_fmaxmagf.c: Likewise. * sysdeps/loongarch/fpu/s_fminmag.c: Likewise. * sysdeps/loongarch/fpu/s_fminmagf.c: Likewise.
Diffstat (limited to 'sysdeps/loongarch/fpu/s_fminmagf.c')
-rw-r--r-- | sysdeps/loongarch/fpu/s_fminmagf.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/loongarch/fpu/s_fminmagf.c b/sysdeps/loongarch/fpu/s_fminmagf.c new file mode 100644 index 0000000000..4d625312c0 --- /dev/null +++ b/sysdeps/loongarch/fpu/s_fminmagf.c @@ -0,0 +1,29 @@ +/* fminmagf(). LoongArch version. + Copyright (C) 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/>. */ + +#define NO_MATH_REDIRECT +#include <math.h> +#include <libm-alias-float.h> + +float +__fminmagf (float x, float y) +{ + asm volatile ("fmina.s \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); + return x; +} +libm_alias_float (__fminmag, fminmag) |