diff mbox series

RISC-V: Use builtin for copysign and copysignf

Message ID 20240911080512.29202-1-jz531210@gmail.com
State New
Headers show
Series RISC-V: Use builtin for copysign and copysignf | expand

Commit Message

Julian Zhu Sept. 11, 2024, 8:05 a.m. UTC 
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>
---
 sysdeps/riscv/rvd/s_copysign.c  | 29 -----------------------------
 sysdeps/riscv/rvf/s_copysignf.c | 29 -----------------------------
 2 files changed, 58 deletions(-)
 delete mode 100644 sysdeps/riscv/rvd/s_copysign.c
 delete mode 100644 sysdeps/riscv/rvf/s_copysignf.c
diff mbox series

Patch

diff --git a/sysdeps/riscv/rvd/s_copysign.c b/sysdeps/riscv/rvd/s_copysign.c
deleted file mode 100644
index 6c0c9461ba..0000000000
--- 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 f34d37b977..0000000000
--- 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)