mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/* Private inline math functions for powerpc.
|
|
Copyright (C) 2006-2024 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _PPC_MATH_PRIVATE_H_
|
|
#define _PPC_MATH_PRIVATE_H_
|
|
|
|
#include <sysdep.h>
|
|
#include <ldsodefs.h>
|
|
#include <dl-procinfo.h>
|
|
|
|
#include_next <math_private.h>
|
|
|
|
#ifdef _ARCH_PWR9
|
|
|
|
#if __GNUC_PREREQ (8, 0)
|
|
# define _GL_HAS_BUILTIN_ILOGB 1
|
|
#elif defined __has_builtin
|
|
# define _GL_HAS_BUILTIN_ILOGB __has_builtin (__builtin_vsx_scalar_extract_exp)
|
|
#else
|
|
# define _GL_HAS_BUILTIN_ILOGB 0
|
|
#endif
|
|
|
|
#define __builtin_test_dc_ilogbf __builtin_test_dc_ilogb
|
|
#define __builtin_ilogbf __builtin_ilogb
|
|
|
|
#define __builtin_test_dc_ilogb(x, y) \
|
|
__builtin_vsx_scalar_test_data_class_dp(x, y)
|
|
#define __builtin_ilogb(x) __builtin_vsx_scalar_extract_exp(x) - 0x3ff
|
|
|
|
#define __builtin_test_dc_ilogbf128(x, y) \
|
|
__builtin_vsx_scalar_test_data_class_qp(x, y)
|
|
#define __builtin_ilogbf128(x) __builtin_vsx_scalar_extract_expq(x) - 0x3fff
|
|
|
|
#if __HAVE_DISTINCT_FLOAT128
|
|
extern __always_inline _Float128
|
|
__ieee754_sqrtf128 (_Float128 __x)
|
|
{
|
|
_Float128 __z;
|
|
asm ("xssqrtqp %0,%1" : "=v" (__z) : "v" (__x));
|
|
return __z;
|
|
}
|
|
#endif
|
|
#else /* !_ARCH_PWR9 */
|
|
#define _GL_HAS_BUILTIN_ILOGB 0
|
|
#endif
|
|
|
|
#endif /* _PPC_MATH_PRIVATE_H_ */
|