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/* Private inline math functions for powerpc.
Copyright (C) 2006-2021 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_ */
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