1 /* Multiple versions of llroundf.
2 Copyright (C) 2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18 /* Redefine lroundf/__lroundf so that the compiler won't complain about
19 the type mismatch with the IFUNC selector in strong_alias below. */
20 #define lroundf __hidden_lroundf
21 #define __lroundf __hidden___lroundf
26 #include "init-arch.h"
28 extern __typeof (__llroundf
) __llroundf_ppc64 attribute_hidden
;
29 extern __typeof (__llroundf
) __llround_power6x attribute_hidden
;
30 extern __typeof (__llroundf
) __llround_power8 attribute_hidden
;
32 /* The ppc64 ABI passes float and double parameters in 64bit floating point
33 registers (at least up to a point) as IEEE binary64 format, so effectively
34 of "double" type. Both l[l]round and l[l]roundf return long type. So these
35 functions have identical signatures and functionality, and can use a
36 single implementation. */
37 libc_ifunc (__llroundf
,
38 (hwcap2
& PPC_FEATURE2_ARCH_2_07
)
40 (hwcap
& PPC_FEATURE_POWER6_EXT
)
44 weak_alias (__llroundf
, llroundf
)
45 strong_alias (__llroundf
, __lroundf
)
46 weak_alias (__lroundf
, lroundf
)