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m68k: Use sqrt{f} builtin for coldfire

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Checked with a build for m68k-linux-gnu-coldfire.
This commit is contained in:
Adhemerval Zanella 2020-06-09 15:42:22 -03:00
parent cbf3571f49
commit 9f21672b89
3 changed files with 4 additions and 53 deletions
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26
sysdeps/m68k/coldfire/fpu/e_sqrt.c
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@ -1,26 +0,0 @@
/* Copyright (C) 2006-2020 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 <libm-alias-finite.h>
double
__ieee754_sqrt (double x)
{
asm ("fdsqrt.d %1,%0" : "=f" (x) : "fm" (x));
return x;
}
libm_alias_finite (__ieee754_sqrt, __sqrt)

27
sysdeps/m68k/coldfire/fpu/e_sqrtf.c
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@ -1,27 +0,0 @@
/* Copyright (C) 2006-2020 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 <libm-alias-finite.h>
float
__ieee754_sqrtf (float x)
{
double result;
asm ("fssqrt.s %1,%0" : "=f" (result) : "dm" (x));
return result;
}
libm_alias_finite (__ieee754_sqrtf, __sqrtf)

4
sysdeps/m68k/coldfire/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