1/* copy sign, double version. 2 Copyright (C) 2002, 2006 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 Contributed by Andreas Jaeger <aj@suse.de>, 2002. 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 17 License along with the GNU C Library; if not, write to the Free 18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 19 02111-1307 USA. */ 20 21#include <machine/asm.h> 22 23#ifdef __ELF__ 24 .section .rodata 25#else 26 .text 27#endif 28 29 .align ALIGNARG(4) 30 ASM_TYPE_DIRECTIVE(mask,@object) 31mask: 32 .byte 0xff, 0xff, 0xff, 0x7f 33 ASM_SIZE_DIRECTIVE(mask) 34 35#ifdef PIC 36#define MO(op) op##(%rip) 37#else 38#define MO(op) op 39#endif 40 41 .text 42ENTRY(__copysignf) 43 movss MO(mask),%xmm3 44 andps %xmm3,%xmm0 45 andnps %xmm1,%xmm3 46 orps %xmm3,%xmm0 47 retq 48END (__copysignf) 49 50weak_alias (__copysignf, copysignf) 51