third-party-mirror / GRTEv5 / refs/heads/master / . / google3 / third_party / grte / v5_src / glibc-2.27 / sysdeps / powerpc / powerpc64 / power6 / fpu / s_copysign.S

/* copysign(). PowerPC64/POWER6 version. | |

Copyright (C) 2010-2018 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, see | |

<http://www.gnu.org/licenses/>. */ | |

#include <sysdep.h> | |

#include <math_ldbl_opt.h> | |

#include <libm-alias-float.h> | |

#include <libm-alias-double.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 | |

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 |