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* sysdeps/powerpc/fpu/bits/mathinline.h
[__LIBC_INTERNAL_MATH_INLINES]: Moved to ... * sysdeps/powerpc/fpu/math_private.h: ...here. New file.
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Ulrich Drepper
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* Private inline math functions for powerpc. | ||
| Copyright (C) 2006 | ||
| 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., 51 Franklin St - Fifth Floor, Boston, | ||
| MA 02110-1301 USA */ | ||
|
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| #ifndef _PPC_MATH_PRIVATE_H_ | ||
| #define _PPC_MATH_PRIVATE_H_ | ||
|
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| #include <sysdep.h> | ||
| #include <ldsodefs.h> | ||
| #include <dl-procinfo.h> | ||
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| # if __WORDSIZE == 64 || defined _ARCH_PWR4 | ||
| # define __CPU_HAS_FSQRT 1 | ||
| # else | ||
| # define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0) | ||
| # endif | ||
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| # ifndef __LIBC_INTERNAL_MATH_INLINES | ||
| extern double __slow_ieee754_sqrt (double); | ||
| __inline double | ||
| __ieee754_sqrt (double __x) | ||
| { | ||
| double __z; | ||
|
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| /* 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); | ||
|
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| return __z; | ||
| } | ||
|
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| extern float __slow_ieee754_sqrtf (float); | ||
|
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| __inline float | ||
| __ieee754_sqrtf (float __x) | ||
| { | ||
| float __z; | ||
|
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| /* 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 | ||
| fsqrts instruction above the branch. */ | ||
| __asm __volatile ( | ||
| " fsqrts %0,%1\n" | ||
| : "=f" (__z) | ||
| : "f" (__x)); | ||
| } | ||
| else | ||
| __z = __slow_ieee754_sqrtf(__x); | ||
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| return __z; | ||
| } | ||
| #endif /* __LIBC_INTERNAL_MATH_INLINES */ | ||
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| # include_next <math_private.h> | ||
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| #endif /* _PPC_MATH_PRIVATE_H_ */ |