diff options
| -rw-r--r-- | ChangeLog | 17 | ||||
| -rw-r--r-- | NEWS | 18 | ||||
| -rw-r--r-- | sysdeps/powerpc/fpu/e_sqrt.c | 17 | ||||
| -rw-r--r-- | sysdeps/powerpc/fpu/e_sqrtf.c | 17 | ||||
| -rw-r--r-- | sysdeps/powerpc/fpu/math_private.h | 32 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/fpu/e_sqrt.c | 30 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c | 30 |
7 files changed, 50 insertions, 111 deletions
@@ -1,3 +1,20 @@ +2015-01-28 Adhemerval Zanellla <azanella@linux.vnet.ibm.com> + + [BZ #16576] + * sysdeps/powerpc/fpu/math_private.h [__CPU_HAS_FSQRT]: Remove define + and use _ARCH_PPCSQ instead. + (__ieee754_sqrt): Likewise. + (__ieee754_sqrtf): Likewise. + * sysdeps/powerpc/fpu/e_sqrt.c (__slow_ieee754_sqrt): Build only if + _ARCH_PPCSQ is defined. + (__ieee754_sqrt): Use _ARCH_PPCSQ to select wheter to use hardware + fsqrt instruction. + * sysdeps/powerpc/fpu/e_sqrtf.c (__ieee754_sqrtf): Build only if + _ARCH_PPCSQ is defined. + (__ieee754_sqrtf): Use _ARCH_PPCSQ to select wheter to use hardware + fsqrts instruction. + * sysdeps/powerpc/powerpc64/fpu/e_sqrt.c: Remove file. + 2015-01-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * iconv/loop.c: Suppress array out of bound warning caused by GCC @@ -10,15 +10,15 @@ Version 2.21 * The following bugs are resolved with this release: 6652, 10672, 12674, 12847, 12926, 13862, 14132, 14138, 14171, 14498, - 15215, 15378, 15884, 16009, 16418, 16191, 16469, 16617, 16619, 16657, - 16740, 16857, 17192, 17266, 17273, 17344, 17363, 17370, 17371, 17411, - 17460, 17475, 17485, 17501, 17506, 17508, 17522, 17555, 17570, 17571, - 17572, 17573, 17574, 17582, 17583, 17584, 17585, 17589, 17594, 17601, - 17608, 17616, 17625, 17630, 17633, 17634, 17635, 17647, 17653, 17657, - 17658, 17664, 17665, 17668, 17682, 17702, 17717, 17719, 17722, 17723, - 17724, 17725, 17732, 17733, 17744, 17745, 17746, 17747, 17748, 17775, - 17777, 17780, 17781, 17782, 17791, 17793, 17796, 17797, 17803, 17806, - 17834, 17844, 17848, 17868, 17869, 17870 + 15215, 15378, 15884, 16009, 16418, 16191, 16469, 16576, 16617, 16619, + 16657, 16740, 16857, 17192, 17266, 17273, 17344, 17363, 17370, 17371, + 17411, 17460, 17475, 17485, 17501, 17506, 17508, 17522, 17555, 17570, + 17571, 17572, 17573, 17574, 17582, 17583, 17584, 17585, 17589, 17594, + 17601, 17608, 17616, 17625, 17630, 17633, 17634, 17635, 17647, 17653, + 17657, 17658, 17664, 17665, 17668, 17682, 17702, 17717, 17719, 17722, + 17723, 17724, 17725, 17732, 17733, 17744, 17745, 17746, 17747, 17748, + 17775, 17777, 17780, 17781, 17782, 17791, 17793, 17796, 17797, 17803, + 17806, 17834, 17844, 17848, 17868, 17869, 17870 * A new semaphore algorithm has been implemented in generic C code for all machines. Previous custom assembly implementations of semaphore were diff --git a/sysdeps/powerpc/fpu/e_sqrt.c b/sysdeps/powerpc/fpu/e_sqrt.c index ba77ae5..0934faa 100644 --- a/sysdeps/powerpc/fpu/e_sqrt.c +++ b/sysdeps/powerpc/fpu/e_sqrt.c @@ -24,6 +24,7 @@ #include <sysdep.h> #include <ldsodefs.h> +#ifndef _ARCH_PPCSQ static const double almost_half = 0.5000000000000001; /* 0.5 + 2^-53 */ static const ieee_float_shape_type a_nan = {.word = 0x7fc00000 }; static const ieee_float_shape_type a_inf = {.word = 0x7f800000 }; @@ -152,6 +153,7 @@ __slow_ieee754_sqrt (double x) } return f_wash (x); } +#endif /* _ARCH_PPCSQ */ #undef __ieee754_sqrt double @@ -159,16 +161,11 @@ __ieee754_sqrt (double x) { double z; - /* If the CPU is 64-bit we can use the optional FP instructions. */ - if (__CPU_HAS_FSQRT) - { - /* Volatile is required to prevent the compiler from moving the - fsqrt instruction above the branch. */ - __asm __volatile (" fsqrt %0,%1\n" - :"=f" (z):"f" (x)); - } - else - z = __slow_ieee754_sqrt (x); +#ifdef _ARCH_PPCSQ + asm ("fsqrt %0,%1\n" :"=f" (z):"f" (x)); +#else + z = __slow_ieee754_sqrt (x); +#endif return z; } diff --git a/sysdeps/powerpc/fpu/e_sqrtf.c b/sysdeps/powerpc/fpu/e_sqrtf.c index 5cf47f7..034b6f5 100644 --- a/sysdeps/powerpc/fpu/e_sqrtf.c +++ b/sysdeps/powerpc/fpu/e_sqrtf.c @@ -24,6 +24,7 @@ #include <sysdep.h> #include <ldsodefs.h> +#ifndef _ARCH_PPCSQ static const float almost_half = 0.50000006; /* 0.5 + 2^-24 */ static const ieee_float_shape_type a_nan = {.word = 0x7fc00000 }; static const ieee_float_shape_type a_inf = {.word = 0x7f800000 }; @@ -128,6 +129,7 @@ __slow_ieee754_sqrtf (float x) } return f_washf (x); } +#endif /* _ARCH_PPCSQ */ #undef __ieee754_sqrtf float @@ -135,16 +137,11 @@ __ieee754_sqrtf (float x) { double z; - /* If the CPU is 64-bit we can use the optional FP instructions. */ - if (__CPU_HAS_FSQRT) - { - /* Volatile is required to prevent the compiler from moving the - fsqrt instruction above the branch. */ - __asm __volatile (" fsqrts %0,%1\n" - :"=f" (z):"f" (x)); - } - else - z = __slow_ieee754_sqrtf (x); +#ifdef _ARCH_PPCSQ + asm ("fsqrts %0,%1\n" :"=f" (z):"f" (x)); +#else + z = __slow_ieee754_sqrtf (x); +#endif return z; } diff --git a/sysdeps/powerpc/fpu/math_private.h b/sysdeps/powerpc/fpu/math_private.h index 6631535..37e7456 100644 --- a/sysdeps/powerpc/fpu/math_private.h +++ b/sysdeps/powerpc/fpu/math_private.h @@ -25,26 +25,17 @@ #include <fenv_private.h> #include_next <math_private.h> -# if __WORDSIZE == 64 || defined _ARCH_PWR4 -# define __CPU_HAS_FSQRT 1 -# else -# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0) -# endif - extern double __slow_ieee754_sqrt (double); extern __always_inline double __ieee754_sqrt (double __x) { double __z; - if (__CPU_HAS_FSQRT) - { - /* Volatile is required to prevent the compiler from moving the - fsqrt instruction above the branch. */ - __asm __volatile ("fsqrt %0,%1" : "=f" (__z) : "f" (__x)); - } - else - __z = __slow_ieee754_sqrt(__x); +#ifdef _ARCH_PPCSQ + asm ("fsqrt %0,%1" : "=f" (__z) : "f" (__x)); +#else + __z = __slow_ieee754_sqrt(__x); +#endif return __z; } @@ -55,14 +46,11 @@ __ieee754_sqrtf (float __x) { float __z; - if (__CPU_HAS_FSQRT) - { - /* Volatile is required to prevent the compiler from moving the - fsqrts instruction above the branch. */ - __asm __volatile ("fsqrts %0,%1" : "=f" (__z) : "f" (__x)); - } - else - __z = __slow_ieee754_sqrtf(__x); +#ifdef _ARCH_PPCSQ + asm ("fsqrts %0,%1" : "=f" (__z) : "f" (__x)); +#else + __z = __slow_ieee754_sqrtf(__x); +#endif return __z; } diff --git a/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c b/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c deleted file mode 100644 index 796388e..0000000 --- a/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c +++ /dev/null @@ -1,30 +0,0 @@ -/* Double-precision floating point square root. - Copyright (C) 1997-2015 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> - -#undef __ieee754_sqrt -double -__ieee754_sqrt (double x) -{ - double z; - __asm __volatile ("fsqrt %0,%1" : "=f" (z) : "f" (x)); - return z; -} -strong_alias (__ieee754_sqrt, __sqrt_finite) diff --git a/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c b/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c deleted file mode 100644 index 5502525..0000000 --- a/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c +++ /dev/null @@ -1,30 +0,0 @@ -/* Single-precision floating point square root. - Copyright (C) 1997-2015 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> - -#undef __ieee754_sqrtf -float -__ieee754_sqrtf (float x) -{ - double z; - __asm ("fsqrts %0,%1" : "=f" (z) : "f" (x)); - return z; -} -strong_alias (__ieee754_sqrtf, __sqrtf_finite) |