PowerPC: Cleaning up uneeded sqrt routines
For PPC64, all the wrappers at sysdeps are superfluous: they are basically the same implementation from math/w_sqrt.c with the '#ifdef _IEEE_LIBM'. And the power4 version just force the 'fsqrt' instruction utilization with an inline assembly, which is already handled by math_private.h __ieee754_sqrt implementation.
This commit is contained in:
Adhemerval Zanella
parent
a52374e82b
commit
c24517c9dd
|
|
@ -1,3 +1,10 @@
|
|||
2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
|
||||
|
||||
* sysdeps/powerpc/fpu/w_sqrt.c: Remove file
|
||||
* sysdeps/powerpc/fpu/w_sqrtf.c: Likewise.
|
||||
* sysdeps/powerpc/powerpc64/power4/fpu/w_sqrt.c: Likewise.
|
||||
* sysdeps/powerpc/powerpc64/power4/fpu/w_sqrtf.c: Likewise.
|
||||
|
||||
2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
|
||||
|
||||
* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add stpcpy
|
||||
|
|
|
|||
|
|
@ -1,48 +0,0 @@
|
|||
/* Double-precision floating point square root wrapper.
|
||||
Copyright (C) 2004-2013 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
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <math.h>
|
||||
#include <math_private.h>
|
||||
#include <fenv_libc.h>
|
||||
#include <math_ldbl_opt.h>
|
||||
|
||||
double
|
||||
__sqrt (double x) /* wrapper sqrt */
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_sqrt (x);
|
||||
#else
|
||||
double z;
|
||||
z = __ieee754_sqrt (x);
|
||||
if (_LIB_VERSION == _IEEE_ || (x != x))
|
||||
return z;
|
||||
|
||||
if (x < 0.0)
|
||||
return __kernel_standard (x, x, 26); /* sqrt(negative) */
|
||||
else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
|
||||
weak_alias (__sqrt, sqrt)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__sqrt, __sqrtl) weak_alias (__sqrt, sqrtl)
|
||||
#endif
|
||||
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
|
||||
compat_symbol (libm, __sqrt, sqrtl, GLIBC_2_0);
|
||||
#endif
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
/* Single-precision floating point square root wrapper.
|
||||
Copyright (C) 2004-2013 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
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <math.h>
|
||||
#include <math_private.h>
|
||||
#include <fenv_libc.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <ldsodefs.h>
|
||||
|
||||
float
|
||||
__sqrtf (float x) /* wrapper sqrtf */
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_sqrtf (x);
|
||||
#else
|
||||
float z;
|
||||
z = __ieee754_sqrtf (x);
|
||||
|
||||
if (_LIB_VERSION == _IEEE_ || (x != x))
|
||||
return z;
|
||||
|
||||
if (x < (float) 0.0)
|
||||
/* sqrtf(negative) */
|
||||
return (float) __kernel_standard ((double) x, (double) x, 126);
|
||||
else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
|
||||
weak_alias (__sqrtf, sqrtf)
|
||||
|
|
@ -1,55 +0,0 @@
|
|||
/* Double-precision floating point square root wrapper.
|
||||
Copyright (C) 2004-2013 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
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <math_ldbl_opt.h>
|
||||
#include <math.h>
|
||||
#include <math_private.h>
|
||||
#include <fenv_libc.h>
|
||||
|
||||
double
|
||||
__sqrt (double x) /* wrapper sqrt */
|
||||
{
|
||||
double z;
|
||||
/* Power4 (ISA V2.0) and above implement sqrt in hardware. */
|
||||
__asm __volatile (
|
||||
" fsqrt %0,%1\n"
|
||||
: "=f" (z)
|
||||
: "f" (x));
|
||||
#ifdef _IEEE_LIBM
|
||||
return z;
|
||||
#else
|
||||
if (__builtin_expect (_LIB_VERSION == _IEEE_, 0))
|
||||
return z;
|
||||
|
||||
if (__builtin_expect (x != x, 0))
|
||||
return z;
|
||||
|
||||
if (__builtin_expect (x < 0.0, 0))
|
||||
return __kernel_standard (x, x, 26); /* sqrt(negative) */
|
||||
else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
|
||||
weak_alias (__sqrt, sqrt)
|
||||
#ifdef NO_LONG_DOUBLE
|
||||
strong_alias (__sqrt, __sqrtl) weak_alias (__sqrt, sqrtl)
|
||||
#endif
|
||||
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
|
||||
compat_symbol (libm, __sqrt, sqrtl, GLIBC_2_0);
|
||||
#endif
|
||||
|
|
@ -1,53 +0,0 @@
|
|||
/* Single-precision floating point square root wrapper.
|
||||
Copyright (C) 2004-2013 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
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <math.h>
|
||||
#include <math_private.h>
|
||||
#include <fenv_libc.h>
|
||||
|
||||
#include <sysdep.h>
|
||||
#include <ldsodefs.h>
|
||||
|
||||
float
|
||||
__sqrtf (float x) /* wrapper sqrtf */
|
||||
{
|
||||
#ifdef _IEEE_LIBM
|
||||
return __ieee754_sqrtf (x);
|
||||
#else
|
||||
float z;
|
||||
/* Power4 (ISA V2.0) and above implement sqrtf in hardware. */
|
||||
__asm __volatile (
|
||||
" fsqrts %0,%1\n"
|
||||
: "=f" (z)
|
||||
: "f" (x));
|
||||
|
||||
if (__builtin_expect (_LIB_VERSION == _IEEE_, 0))
|
||||
return z;
|
||||
|
||||
if (__builtin_expect (x != x, 0))
|
||||
return z;
|
||||
|
||||
if (__builtin_expect (x < 0.0, 0))
|
||||
/* sqrtf(negative) */
|
||||
return (float) __kernel_standard ((double) x, (double) x, 126);
|
||||
else
|
||||
return z;
|
||||
#endif
|
||||
}
|
||||
|
||||
weak_alias (__sqrtf, sqrtf)
|
||||
Loading…
Reference in New Issue