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/* llround function. POWER8 PowerPC64 version.
Copyright (C) 2014-2019 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 <endian.h>
#include <math_ldbl_opt.h>
#include <libm-alias-float.h>
#include <libm-alias-double.h>
#define MFVSRD_R3_V1 .long 0x7c230066 /* mfvsrd r3,vs1 */
/* long long [r3] llround (float x [fp1]) */
ENTRY_TOCLESS (__llround)
CALL_MCOUNT 0
frin fp1,fp1 /* Round to nearest +-0.5. */
fctidz fp1,fp1 /* Convert To Integer DW round toward 0. */
MFVSRD_R3_V1
blr
END (__llround)
strong_alias (__llround, __lround)
libm_alias_double (__llround, llround)
libm_alias_double (__lround, lround)
/* The double version also works for single-precision as both float and
double parameters are passed in 64bit FPRs and both versions are expected
to return [long] long type. */
strong_alias (__llround, __llroundf)
libm_alias_float (__llround, llround)
strong_alias (__lround, __lroundf)
libm_alias_float (__lround, lround)
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