1 /* Multiple versions of llrintf.
2 Copyright (C) 2017-2023 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 <https://www.gnu.org/licenses/>. */
18 /* Redefine lrintf/__lrintf so that the compiler won't complain about the type
19 mismatch with the IFUNC selector in strong_alias below. */
20 #define lrintf __hidden_lrintf
21 #define __lrintf __hidden___lrintf
26 #include "init-arch.h"
27 #include <libm-alias-float.h>
29 extern __typeof (__llrintf
) __llrint_ppc64 attribute_hidden
;
30 extern __typeof (__llrintf
) __llrint_power6x attribute_hidden
;
31 extern __typeof (__llrintf
) __llrint_power8 attribute_hidden
;
33 /* The ppc64 ABI passes float and double parameters in 64bit floating point
34 registers (at least up to a point) as IEEE binary64 format, so effectively
35 of "double" type. Both l[l]rint and l[l]rintf return long type. So these
36 functions have identical signatures and functionality, and can use a
37 single implementation. */
38 libc_ifunc (__llrintf
,
39 (hwcap2
& PPC_FEATURE2_ARCH_2_07
)
41 (hwcap
& PPC_FEATURE_POWER6_EXT
)
45 libm_alias_float (__llrint
, llrint
)
46 strong_alias (__llrintf
, __lrintf
)
47 libm_alias_float (__lrint
, lrint
)