| /* llround function. POWER8 PowerPC64 version. |
| Copyright (C) 2014-2018 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/>. */ |
| |
| #include <sysdep.h> |
| #include <endian.h> |
| #include <math_ldbl_opt.h> |
| #include <libm-alias-float.h> |
| #include <libm-alias-double.h> |
| |
| #define MFVSRD_R3_V1 .long 0x7c230066 /* mfvsrd r3,vs1 */ |
| |
| /* long long [r3] llround (float x [fp1]) */ |
| |
| ENTRY_TOCLESS (__llround) |
| CALL_MCOUNT 0 |
| frin fp1,fp1 /* Round to nearest +-0.5. */ |
| fctidz fp1,fp1 /* Convert To Integer DW round toward 0. */ |
| MFVSRD_R3_V1 |
| blr |
| END (__llround) |
| |
| strong_alias (__llround, __lround) |
| libm_alias_double (__llround, llround) |
| libm_alias_double (__lround, lround) |
| /* The double version also works for single-precision as both float and |
| double parameters are passed in 64bit FPRs and both versions are expected |
| to return [long] long type. */ |
| strong_alias (__llround, __llroundf) |
| libm_alias_float (__llround, llround) |
| strong_alias (__lround, __lroundf) |
| libm_alias_float (__lround, lround) |
