/* copysign(). PowerPC64/POWER6 version. Copyright (C) 2010-2019 Free Software Foundation, Inc. Contributed by Luis Machado . 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 . */ #include #include #include #include /* 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 ENTRY_TOCLESS (__copysign, 4) CALL_MCOUNT 0 fcpsgn fp1,fp2,fp1 blr END (__copysign) hidden_def (__copysign) libm_alias_double (__copysign, copysign) /* It turns out that the 'double' version will also always work for single-precision. */ strong_alias (__copysign, __copysignf) hidden_def (__copysignf) libm_alias_float (__copysign, copysign) #if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0) compat_symbol (libc, copysign, copysignl, GLIBC_2_0); #endif