blob: 15ee1597486eaa451b8373bf113658a9772369ad (
plain)
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
40
41
42
43
44
45
46
47
|
/* Multiple versions of llrintf.
Copyright (C) 2017-2019 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/>. */
/* Redefine lrintf/__lrintf so that the compiler won't complain about the type
mismatch with the IFUNC selector in strong_alias below. */
#define lrintf __hidden_lrintf
#define __lrintf __hidden___lrintf
#include <math.h>
#undef lrintf
#undef __lrintf
#include "init-arch.h"
#include <libm-alias-float.h>
extern __typeof (__llrintf) __llrint_ppc64 attribute_hidden;
extern __typeof (__llrintf) __llrint_power6x attribute_hidden;
extern __typeof (__llrintf) __llrint_power8 attribute_hidden;
/* The ppc64 ABI passes float and double parameters in 64bit floating point
registers (at least up to a point) as IEEE binary64 format, so effectively
of "double" type. Both l[l]rint and l[l]rintf return long type. So these
functions have identical signatures and functionality, and can use a
single implementation. */
libc_ifunc (__llrintf,
(hwcap2 & PPC_FEATURE2_ARCH_2_07)
? __llrint_power8 :
(hwcap & PPC_FEATURE_POWER6_EXT)
? __llrint_power6x
: __llrint_ppc64);
libm_alias_float (__llrint, llrint)
strong_alias (__llrintf, __lrintf)
libm_alias_float (__lrint, lrint)
|
