projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 77c1b069 | 1 | /* copysign(). PowerPC32/POWER6 version. |
| d4697bc9 | 2 | Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| 77c1b069 LM |
3 | Contributed by Luis Machado <luisgpm@br.ibm.com>. |
| 4 | This file is part of the GNU C Library. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 77c1b069 LM |
19 | |
| 20 | #include <sysdep.h> | |
| 21 | #include <math_ldbl_opt.h> | |
| 22 | ||
| 23 | /* double [f1] copysign (double [f1] x, double [f2] y); | |
| 24 | copysign(x,y) returns a value with the magnitude of x and | |
| 25 | with the sign bit of y. */ | |
| 26 | ||
| 27 | .section ".text" | |
| 28 | .type __copysign, @function | |
| 29 | .machine power6 | |
| 30 | EALIGN (__copysign, 4, 0) | |
| 31 | CALL_MCOUNT | |
| 32 | fcpsgn fp1,fp2,fp1 | |
| 33 | blr | |
| 34 | END (__copysign) | |
| 35 | ||
| 36 | hidden_def (__copysign) | |
| 37 | weak_alias (__copysign, copysign) | |
| 38 | ||
| 39 | /* It turns out that the 'double' version will also always work for | |
| 40 | single-precision. */ | |
| 41 | strong_alias (__copysign, __copysignf) | |
| 42 | hidden_def (__copysignf) | |
| 43 | weak_alias (__copysignf, copysignf) | |
| 44 | ||
| 45 | #ifdef NO_LONG_DOUBLE | |
| 46 | strong_alias (__copysign, __copysignl) | |
| 47 | weak_alias (__copysign, copysignl) | |
| 48 | #endif | |
| 49 | ||
| a109996e | 50 | #if IS_IN (libm) |
| 45470df3 AZ |
51 | # if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0) |
| 52 | compat_symbol (libm, copysign, copysignl, GLIBC_2_0) | |
| 53 | # endif | |
| 54 | #else | |
| 55 | # if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0) | |
| 77c1b069 LM |
56 | compat_symbol (libc, copysign, copysignl, GLIBC_2_0); |
| 57 | # endif | |
| 58 | #endif |