| /* Multiple versions of llroundf. |
| Copyright (C) 2017-2018 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 lroundf/__lroundf so that the compiler won't complain about |
| the type mismatch with the IFUNC selector in strong_alias below. */ |
| #define lroundf __hidden_lroundf |
| #define __lroundf __hidden___lroundf |
| |
| #include <math.h> |
| #undef lroundf |
| #undef __lroundf |
| #include "init-arch.h" |
| #include <libm-alias-float.h> |
| |
| extern __typeof (__llroundf) __llroundf_ppc64 attribute_hidden; |
| extern __typeof (__llroundf) __llround_power6x attribute_hidden; |
| extern __typeof (__llroundf) __llround_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]round and l[l]roundf return long type. So these |
| functions have identical signatures and functionality, and can use a |
| single implementation. */ |
| libc_ifunc (__llroundf, |
| (hwcap2 & PPC_FEATURE2_ARCH_2_07) |
| ? __llround_power8 : |
| (hwcap & PPC_FEATURE_POWER6_EXT) |
| ? __llround_power6x |
| : __llroundf_ppc64); |
| |
| libm_alias_float (__llround, llround) |
| strong_alias (__llroundf, __lroundf) |
| libm_alias_float (__lround, lround) |
