From 9dbb3fdfb788129d20a7d456be94157f31f38800 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Fri, 5 Jun 2020 14:44:44 +0000 Subject: riscv: Use sqrt{f} builtin Checked with a build for riscv64-linux-gnu-rv64imac-lp64 (no builtin support), riscv64-linux-gnu-rv64imafdc-lp64, and riscv64-linux-gnu-rv64imafdc-lp64d. --- sysdeps/riscv/rvd/e_sqrt.c | 28 ---------------------------- sysdeps/riscv/rvd/math-use-builtins-sqrt.h | 4 ++++ 2 files changed, 4 insertions(+), 28 deletions(-) delete mode 100644 sysdeps/riscv/rvd/e_sqrt.c create mode 100644 sysdeps/riscv/rvd/math-use-builtins-sqrt.h (limited to 'sysdeps/riscv/rvd') diff --git a/sysdeps/riscv/rvd/e_sqrt.c b/sysdeps/riscv/rvd/e_sqrt.c deleted file mode 100644 index 7defcb5785..0000000000 --- a/sysdeps/riscv/rvd/e_sqrt.c +++ /dev/null @@ -1,28 +0,0 @@ -/* Double precision floating point square root. RISC-V version. - Copyright (C) 2017-2020 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 - . */ - -#include -#include - -double -__ieee754_sqrt (double x) -{ - asm ("fsqrt.d %0, %1" : "=f" (x) : "f" (x)); - return x; -} -libm_alias_finite (__ieee754_sqrt, __sqrt) diff --git a/sysdeps/riscv/rvd/math-use-builtins-sqrt.h b/sysdeps/riscv/rvd/math-use-builtins-sqrt.h new file mode 100644 index 0000000000..e94c915ba6 --- /dev/null +++ b/sysdeps/riscv/rvd/math-use-builtins-sqrt.h @@ -0,0 +1,4 @@ +#define USE_SQRT_BUILTIN 1 +#define USE_SQRTF_BUILTIN 1 +#define USE_SQRTL_BUILTIN 0 +#define USE_SQRTF128_BUILTIN 0 -- cgit 1.4.1