diff options
| -rw-r--r-- | sysdeps/loongarch/fpu/s_scalbn.c | 29 | ||||
| -rw-r--r-- | sysdeps/loongarch/fpu/s_scalbnf.c | 29 |
2 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/loongarch/fpu/s_scalbn.c b/sysdeps/loongarch/fpu/s_scalbn.c new file mode 100644 index 0000000000..c03e81a31e --- /dev/null +++ b/sysdeps/loongarch/fpu/s_scalbn.c @@ -0,0 +1,29 @@ +/* scalbn(). 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> + +double +__scalbn (double x, int fn) +{ + double tmp; + asm volatile ("movgr2fr.d \t%0, %1" : "=f" (tmp) : "r" (fn)); + asm volatile ("fscaleb.d \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (tmp)); + return x; +} diff --git a/sysdeps/loongarch/fpu/s_scalbnf.c b/sysdeps/loongarch/fpu/s_scalbnf.c new file mode 100644 index 0000000000..15e6428044 --- /dev/null +++ b/sysdeps/loongarch/fpu/s_scalbnf.c @@ -0,0 +1,29 @@ +/* scalbnf(). 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> + +float +__scalbnf (float x, int fn) +{ + float tmp; + asm volatile ("movgr2fr.w \t%0, %1" : "=f" (tmp) : "r" (fn)); + asm volatile ("fscaleb.s \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (tmp)); + return x; +} |