* sysdeps/powerpc/powerpc64/fpu/e_sqrt.c: New file.
* sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c: New file. * sysdeps/powerpc/fpu/bits/mathinline.h (__CPU_HAS_FSQRT): New macro. (__ieee754_sqrt, __ieee754_sqrtf): Use it.
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parent
5e758ac3d3
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@ -1,3 +1,10 @@
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2006-01-20 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/powerpc/powerpc64/fpu/e_sqrt.c: New file.
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* sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c: New file.
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* sysdeps/powerpc/fpu/bits/mathinline.h (__CPU_HAS_FSQRT): New macro.
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(__ieee754_sqrt, __ieee754_sqrtf): Use it.
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2006-01-21 Roland McGrath <roland@redhat.com>
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* time/time.h [__need_timespec et al]: Include <bits/types.h> here too.
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@ -1,5 +1,5 @@
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/* Inline math functions for powerpc.
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2006
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -123,12 +123,18 @@ __NTH (fdimf (float __x, float __y))
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#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
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/* This code is used internally in the GNU libc. */
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# ifdef __LIBC_INTERNAL_MATH_INLINES
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#ifdef __LIBC_INTERNAL_MATH_INLINES
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#include <sysdep.h>
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#include <ldsodefs.h>
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#include <dl-procinfo.h>
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# if __WORDSIZE == 64
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# define __CPU_HAS_FSQRT 1
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# else
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# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
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# endif
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extern double __slow_ieee754_sqrt (double);
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__MATH_INLINE double
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__NTH (__ieee754_sqrt (double __x))
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@ -136,7 +142,7 @@ __NTH (__ieee754_sqrt (double __x))
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double __z;
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/* If the CPU is 64-bit we can use the optional FP instructions we. */
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if ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
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if (__CPU_HAS_FSQRT)
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{
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/* Volatile is required to prevent the compiler from moving the
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fsqrt instruction above the branch. */
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@ -158,7 +164,7 @@ __NTH (__ieee754_sqrtf (float __x))
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float __z;
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/* If the CPU is 64-bit we can use the optional FP instructions we. */
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if ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
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if (__CPU_HAS_FSQRT)
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{
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/* Volatile is required to prevent the compiler from moving the
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fsqrts instruction above the branch. */
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@ -172,5 +178,5 @@ __NTH (__ieee754_sqrtf (float __x))
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return __z;
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}
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# endif /* __LIBC_INTERNAL_MATH_INLINES */
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#endif /* __LIBC_INTERNAL_MATH_INLINES */
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#endif /* __GNUC__ && !_SOFT_FLOAT */
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@ -0,0 +1,29 @@
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/* Double-precision floating point square root.
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Copyright (C) 1997, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math.h>
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#include <math_private.h>
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double
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__ieee754_sqrt (double x)
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{
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double z;
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__asm __volatile ("fsqrt %0,%1" : "=f" (z) : "f" (x));
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return z;
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}
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@ -0,0 +1,29 @@
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/* Single-precision floating point square root.
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Copyright (C) 1997, 2003, 2004, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math.h>
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#include <math_private.h>
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float
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__ieee754_sqrtf (float x)
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{
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double z;
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__asm ("fsqrts %0,%1" : "=f" (z) : "f" (x));
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return z;
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}
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