diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c')
-rw-r--r-- | sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c b/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c deleted file mode 100644 index f59c193934..0000000000 --- a/sysdeps/powerpc/powerpc32/power4/fpu/w_sqrt.c +++ /dev/null @@ -1,62 +0,0 @@ -/* Double-precision floating point square root wrapper. - Copyright (C) 2004, 2007 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <math_ldbl_opt.h> -#include "math.h" -#include "math_private.h" -#include <fenv_libc.h> - -#ifdef __STDC__ -double -__sqrt (double x) /* wrapper sqrt */ -#else -double -__sqrt (x) /* wrapper sqrt */ - double x; -#endif -{ - 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 |