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mips: Use sqrt{f} builtin

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Checked with a build against mips-linux-gnu and mips64-linux-gnu
and comparing the resulting binaries.
This commit is contained in:
Adhemerval Zanella 2020-06-05 14:00:25 +00:00
parent 8a7923b57e
commit 32c65b28f3
9 changed files with 6 additions and 82 deletions
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38
sysdeps/mips/fpu/e_sqrt.c
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@ -1,38 +0,0 @@
/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
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 <sgidefs.h>
#include <libm-alias-finite.h>
#if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
double __attribute__ ((nomips16))
__ieee754_sqrt (double x)
{
double z;
__asm__ ("sqrt.d %0,%1" : "=f" (z) : "f" (x));
return z;
}
libm_alias_finite (__ieee754_sqrt, __sqrt)
#else
#include <sysdeps/ieee754/dbl-64/e_sqrt.c>
#endif

38
sysdeps/mips/fpu/e_sqrtf.c
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/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
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 <sgidefs.h>
#include <libm-alias-finite.h>
#if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
float __attribute__ ((nomips16))
__ieee754_sqrtf (float x)
{
float z;
__asm__ ("sqrt.s %0,%1" : "=f" (z) : "f" (x));
return z;
}
libm_alias_finite (__ieee754_sqrtf, __sqrtf)
#else
#include <sysdeps/ieee754/flt-32/e_sqrtf.c>
#endif

6
sysdeps/mips/fpu/math-use-builtins-sqrt.h Normal file
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#include <sgidefs.h>
#define USE_SQRT_BUILTIN (_MIPS_ISA >= _MIPS_ISA_MIPS2)
#define USE_SQRTF_BUILTIN (_MIPS_ISA >= _MIPS_ISA_MIPS2)
#define USE_SQRTL_BUILTIN 0
#define USE_SQRTF128_BUILTIN 0

1
sysdeps/mips/mips32/fpu/e_sqrt.c
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#include <sysdeps/mips/fpu/e_sqrt.c>

1
sysdeps/mips/mips32/fpu/e_sqrtf.c
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#include <sysdeps/mips/fpu/e_sqrtf.c>

1
sysdeps/mips/mips64/n32/fpu/e_sqrt.c
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#include <sysdeps/mips/fpu/e_sqrt.c>

1
sysdeps/mips/mips64/n32/fpu/e_sqrtf.c
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#include <sysdeps/mips/fpu/e_sqrtf.c>

1
sysdeps/mips/mips64/n64/fpu/e_sqrt.c
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#include <sysdeps/mips/fpu/e_sqrt.c>

1
sysdeps/mips/mips64/n64/fpu/e_sqrtf.c
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#include <sysdeps/mips/fpu/e_sqrtf.c>