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9359218f | 1 | /* copy sign, double version. |
2b778ceb | 2 | Copyright (C) 2002-2021 Free Software Foundation, Inc. |
9359218f | 3 | This file is part of the GNU C Library. |
9359218f AJ |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
9359218f AJ |
18 | |
19 | #include <machine/asm.h> | |
011fba7e | 20 | #include <libm-alias-double.h> |
9359218f | 21 | |
ee4d0315 | 22 | .section .rodata.cst16,"aM",@progbits,16 |
9359218f AJ |
23 | |
24 | .align ALIGNARG(4) | |
b67e9372 | 25 | .type signmask,@object |
7c9466bc | 26 | signmask: |
9359218f | 27 | .byte 0, 0, 0, 0, 0, 0, 0, 0x80 |
7c9466bc | 28 | .byte 0, 0, 0, 0, 0, 0, 0, 0 |
11bf311e | 29 | ASM_SIZE_DIRECTIVE(signmask) |
b67e9372 | 30 | .type othermask,@object |
7c9466bc AJ |
31 | othermask: |
32 | .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f | |
33 | .byte 0, 0, 0, 0, 0, 0, 0, 0 | |
34 | ASM_SIZE_DIRECTIVE(othermask) | |
9359218f AJ |
35 | |
36 | #ifdef PIC | |
37 | #define MO(op) op##(%rip) | |
38 | #else | |
39 | #define MO(op) op | |
40 | #endif | |
41 | ||
11bf311e | 42 | .text |
9359218f | 43 | ENTRY(__copysign) |
7c9466bc AJ |
44 | andpd MO(othermask),%xmm0 |
45 | andpd MO(signmask),%xmm1 | |
46 | orpd %xmm1,%xmm0 | |
47 | ret | |
9359218f AJ |
48 | END (__copysign) |
49 | ||
011fba7e | 50 | libm_alias_double (__copysign, copysign) |