projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| fe13a20c | 1 | /* llround function. POWER8 PowerPC64 version. |
| 04277e02 | 2 | Copyright (C) 2014-2019 Free Software Foundation, Inc. |
| fe13a20c AZ |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 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. | |
| 9 | ||
| 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. | |
| 14 | ||
| 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 | ||
| 19 | #include <sysdep.h> | |
| 757d9dd5 | 20 | #include <endian.h> |
| fe13a20c | 21 | #include <math_ldbl_opt.h> |
| 216933b2 | 22 | #include <libm-alias-float.h> |
| d17542d2 | 23 | #include <libm-alias-double.h> |
| fe13a20c | 24 | |
| 7110166d | 25 | #define MFVSRD_R3_V1 .long 0x7c230066 /* mfvsrd r3,vs1 */ |
| fe13a20c AZ |
26 | |
| 27 | /* long long [r3] llround (float x [fp1]) */ | |
| 28 | ||
| d5b41185 | 29 | ENTRY_TOCLESS (__llround) |
| fe13a20c AZ |
30 | CALL_MCOUNT 0 |
| 31 | frin fp1,fp1 /* Round to nearest +-0.5. */ | |
| 32 | fctidz fp1,fp1 /* Convert To Integer DW round toward 0. */ | |
| 33 | MFVSRD_R3_V1 | |
| 34 | blr | |
| 35 | END (__llround) | |
| 36 | ||
| 37 | strong_alias (__llround, __lround) | |
| d17542d2 JM |
38 | libm_alias_double (__llround, llround) |
| 39 | libm_alias_double (__lround, lround) | |
| 001b09a6 RS |
40 | /* The double version also works for single-precision as both float and |
| 41 | double parameters are passed in 64bit FPRs and both versions are expected | |
| 42 | to return [long] long type. */ | |
| 43 | strong_alias (__llround, __llroundf) | |
| 216933b2 | 44 | libm_alias_float (__llround, llround) |
| 001b09a6 | 45 | strong_alias (__lround, __lroundf) |
| 216933b2 | 46 | libm_alias_float (__lround, lround) |