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s390: Use sqrt{f} builtin

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Checked on s390x-linux-gnu.
This commit is contained in:
Adhemerval Zanella
2020-06-05 14:31:30 +00:00
parent c9a30f08e1
commit 3ca05a8e9e
3 changed files with 4 additions and 60 deletions
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30
sysdeps/s390/fpu/e_sqrt.c
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@@ -1,30 +0,0 @@
/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
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 <math_private.h>
#include <libm-alias-finite.h>
double
__ieee754_sqrt (double x)
{
double res;
__asm__ ( "sqdbr %0,%1" : "=f" (res) : "f" (x) );
return res;
}
libm_alias_finite (__ieee754_sqrt, __sqrt)

30
sysdeps/s390/fpu/e_sqrtf.c
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@@ -1,30 +0,0 @@
/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
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 <math_private.h>
#include <libm-alias-finite.h>
float
__ieee754_sqrtf (float x)
{
float res;
__asm__ ( "sqebr %0,%1" : "=f" (res) : "f" (x) );
return res;
}
libm_alias_finite (__ieee754_sqrtf, __sqrtf)

4
sysdeps/s390/fpu/math-use-builtins-sqrt.h Normal file
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@@ -0,0 +1,4 @@
#define USE_SQRT_BUILTIN 1
#define USE_SQRTF_BUILTIN 1
#define USE_SQRTL_BUILTIN 0
#define USE_SQRTF128_BUILTIN 0