projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9359218f | 1 | /* copy sign, double version. |
| 11bf311e | 2 | Copyright (C) 2002, 2006 Free Software Foundation, Inc. |
| 9359218f AJ |
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) | |
| 7c9466bc AJ |
30 | ASM_TYPE_DIRECTIVE(signmask,@object) |
| 31 | signmask: | |
| 9359218f | 32 | .byte 0, 0, 0, 0, 0, 0, 0, 0x80 |
| 7c9466bc | 33 | .byte 0, 0, 0, 0, 0, 0, 0, 0 |
| 11bf311e UD |
34 | ASM_SIZE_DIRECTIVE(signmask) |
| 35 | ASM_TYPE_DIRECTIVE(othermask,@object) | |
| 7c9466bc AJ |
36 | othermask: |
| 37 | .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f | |
| 38 | .byte 0, 0, 0, 0, 0, 0, 0, 0 | |
| 39 | ASM_SIZE_DIRECTIVE(othermask) | |
| 9359218f AJ |
40 | |
| 41 | #ifdef PIC | |
| 42 | #define MO(op) op##(%rip) | |
| 43 | #else | |
| 44 | #define MO(op) op | |
| 45 | #endif | |
| 46 | ||
| 11bf311e | 47 | .text |
| 9359218f | 48 | ENTRY(__copysign) |
| 7c9466bc AJ |
49 | andpd MO(othermask),%xmm0 |
| 50 | andpd MO(signmask),%xmm1 | |
| 51 | orpd %xmm1,%xmm0 | |
| 52 | ret | |
| 9359218f AJ |
53 | END (__copysign) |
| 54 | ||
| 55 | weak_alias (__copysign, copysign) |