| /* copysign(). PowerPC64/POWER6 version. |
| Copyright (C) 2010 Free Software Foundation, Inc. |
| Contributed by Luis Machado <luisgpm@br.ibm.com>. |
| 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| #include <math_ldbl_opt.h> |
| |
| /* double [f1] copysign (double [f1] x, double [f2] y); |
| copysign(x,y) returns a value with the magnitude of x and |
| with the sign bit of y. */ |
| |
| .section ".text" |
| .type __copysign, @function |
| .machine power6 |
| EALIGN (__copysign, 4, 0) |
| CALL_MCOUNT 0 |
| fcpsgn fp1,fp2,fp1 |
| blr |
| END (__copysign) |
| |
| hidden_def (__copysign) |
| weak_alias (__copysign, copysign) |
| |
| /* It turns out that the 'double' version will also always work for |
| single-precision. */ |
| strong_alias (__copysign, __copysignf) |
| hidden_def (__copysignf) |
| weak_alias (__copysignf, copysignf) |
| |
| #ifdef NO_LONG_DOUBLE |
| strong_alias (__copysign, __copysignl) |
| weak_alias (__copysign, copysignl) |
| #endif |
| |
| #ifndef IS_IN_libm |
| # if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) |
| compat_symbol (libc, __copysign, __copysignl, GLIBC_2_0); |
| compat_symbol (libc, copysign, copysignl, GLIBC_2_0); |
| # endif |
| #endif |
