blob: 29ab7a86165cf0157e635d6df3f8d15cc000c2e7 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* roundevenl() - S390 version.
Copyright (C) 2019-2021 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/>. */
#ifdef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
# include <math.h>
# include <math_private.h>
# include <libm-alias-ldouble.h>
_Float128
__roundevenl (_Float128 x)
{
_Float128 y;
/* The z196 zarch "load fp integer" (fixbra) instruction is rounding
x to the nearest integer with "ties to even" rounding mode
(M3-field: 4) where inexact exceptions are suppressed (M4-field: 4). */
__asm__ ("fixbra %0,4,%1,4" : "=f" (y) : "f" (x));
return y;
}
libm_alias_ldouble (__roundeven, roundeven)
#else
# include <sysdeps/ieee754/ldbl-128/s_roundevenl.c>
#endif
|