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| author | Julian Zhu <jz531210@gmail.com> | 2024-09-11 16:05:12 +0800 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-11-25 16:45:59 -0300 |
| commit | d2264de5db00549786afc2759c99de1a1531c550 (patch) | |
| tree | 461d064fe090382146c8ce54479bfa2ba6b277c3 /sysdeps | |
| parent | 53fcdf5f743aa9b02972eec658e66f96d6a63386 (diff) | |
| download | glibc-d2264de5db00549786afc2759c99de1a1531c550.zip glibc-d2264de5db00549786afc2759c99de1a1531c550.tar.gz glibc-d2264de5db00549786afc2759c99de1a1531c550.tar.bz2 | |
RISC-V: Use builtin for copysign and copysignf
The built-in functions `builtin_{copysign, copysignf}` are sufficient to generate correct `fsgnj.d/fsgnj.s` instructions on RISC-V.
Signed-off-by: Julian Zhu <jz531210@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/riscv/rvd/s_copysign.c | 29 | ||||
| -rw-r--r-- | sysdeps/riscv/rvf/s_copysignf.c | 29 |
2 files changed, 0 insertions, 58 deletions
diff --git a/sysdeps/riscv/rvd/s_copysign.c b/sysdeps/riscv/rvd/s_copysign.c deleted file mode 100644 index 6c0c946..0000000 --- a/sysdeps/riscv/rvd/s_copysign.c +++ /dev/null @@ -1,29 +0,0 @@ -/* Copy sign bit between floating-point values. RISC-V version. - Copyright (C) 2017-2024 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-double.h> - -double -__copysign (double x, double y) -{ - asm ("fsgnj.d %0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); - return x; -} -libm_alias_double (__copysign, copysign) diff --git a/sysdeps/riscv/rvf/s_copysignf.c b/sysdeps/riscv/rvf/s_copysignf.c deleted file mode 100644 index f34d37b..0000000 --- a/sysdeps/riscv/rvf/s_copysignf.c +++ /dev/null @@ -1,29 +0,0 @@ -/* copysignf(). RISC-V version. - Copyright (C) 2017-2024 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 -__copysignf (float x, float y) -{ - asm ("fsgnj.s %0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); - return x; -} -libm_alias_float (__copysign, copysign) |