/* isfinite(). PowerPC64/POWER8 version.
Copyright (C) 2014-2018 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 <sysdep.h>
#include <math_ldbl_opt.h>
#define MFVSRD_R3_V1 .long 0x7c230066 /* mfvsrd r3,vs1 */
/* int [r3] __finite ([fp1] x) */
ENTRY_TOCLESS (__finite, 4)
CALL_MCOUNT 0
MFVSRD_R3_V1
lis r9,0x8010
clrldi r3,r3,1 /* r3 = r3 & 0x8000000000000000 */
rldicr r9,r9,32,31 /* r9 = (r9 << 32) & 0xffffffff */
add r3,r3,r9
rldicl r3,r3,1,63
blr
END (__finite)
hidden_def (__finite)
weak_alias (__finite, finite)
/* It turns out that the 'double' version will also always work for
single-precision. */
strong_alias (__finite, __finitef)
hidden_def (__finitef)
weak_alias (__finitef, finitef)
#if IS_IN (libm)
# if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
compat_symbol (libm, __finite, __finitel, GLIBC_2_0)
compat_symbol (libm, finite, finitel, GLIBC_2_0)
# endif
#else
# if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
compat_symbol (libc, __finite, __finitel, GLIBC_2_0);
compat_symbol (libc, finite, finitel, GLIBC_2_0);
# endif
#endif