[PATCH 09/13] sparc: Use sqrt{f} builtin

Adhemerval Zanella adhemerval.zanella@linaro.org
Fri Jun 19 19:17:13 GMT 2020


If no one opposes I will commit this.

On 09/06/2020 18:32, Adhemerval Zanella wrote:
> It also enabled to use fsqrtd on sparc64.
> 
> Checked on sparcv9-linux-gnu and sparc64-linux-gnu.
> ---
>  sysdeps/sparc/fpu/math-use-builtins-sqrt.h |  4 +++
>  sysdeps/sparc/sparc32/e_sqrt.c             | 34 ----------------------
>  2 files changed, 4 insertions(+), 34 deletions(-)
>  create mode 100644 sysdeps/sparc/fpu/math-use-builtins-sqrt.h
>  delete mode 100644 sysdeps/sparc/sparc32/e_sqrt.c
> 
> diff --git a/sysdeps/sparc/fpu/math-use-builtins-sqrt.h b/sysdeps/sparc/fpu/math-use-builtins-sqrt.h
> new file mode 100644
> index 0000000000..e94c915ba6
> --- /dev/null
> +++ b/sysdeps/sparc/fpu/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
> diff --git a/sysdeps/sparc/sparc32/e_sqrt.c b/sysdeps/sparc/sparc32/e_sqrt.c
> deleted file mode 100644
> index e8a42c4d7b..0000000000
> --- a/sysdeps/sparc/sparc32/e_sqrt.c
> +++ /dev/null
> @@ -1,34 +0,0 @@
> -/* Copyright (C) 1991-2020 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
> -   <https://www.gnu.org/licenses/>.  */
> -
> -#include <errno.h>
> -#include <math.h>
> -#include <libm-alias-finite.h>
> -
> -#ifndef	__GNUC__
> -  #error This file uses GNU C extensions; you must compile with GCC.
> -#endif
> -
> -/* Return the square root of X.  */
> -double
> -__ieee754_sqrt (double x)
> -{
> -  register double result;
> -  asm ("fsqrtd %1, %0" : "=f" (result) : "f" (x));
> -  return result;
> -}
> -libm_alias_finite (__ieee754_sqrt, __sqrt)
> 


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