From d2264de5db00549786afc2759c99de1a1531c550 Mon Sep 17 00:00:00 2001 From: Julian Zhu Date: Wed, 11 Sep 2024 16:05:12 +0800 Subject: [PATCH] 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 Reviewed-by: Adhemerval Zanella --- 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 --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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -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)