projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9359218f | 1 | /* copy sign, double version. |
| 04277e02 | 2 | Copyright (C) 2002-2019 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 | |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 9359218f AJ |
19 | |
| 20 | #include <machine/asm.h> | |
| 34bb10aa | 21 | #include <libm-alias-float.h> |
| 9359218f | 22 | |
| 83a5fcc0 | 23 | .section .rodata |
| 83a5fcc0 AJ |
24 | |
| 25 | .align ALIGNARG(4) | |
| b67e9372 | 26 | .type mask,@object |
| 83a5fcc0 AJ |
27 | mask: |
| 28 | .byte 0xff, 0xff, 0xff, 0x7f | |
| 29 | ASM_SIZE_DIRECTIVE(mask) | |
| 30 | ||
| 31 | #ifdef PIC | |
| 32 | #define MO(op) op##(%rip) | |
| 33 | #else | |
| 34 | #define MO(op) op | |
| 35 | #endif | |
| dc818ad5 | 36 | |
| 11bf311e | 37 | .text |
| 9359218f | 38 | ENTRY(__copysignf) |
| df3dceb1 | 39 | movss MO(mask),%xmm3 |
| 83a5fcc0 AJ |
40 | andps %xmm3,%xmm0 |
| 41 | andnps %xmm1,%xmm3 | |
| 42 | orps %xmm3,%xmm0 | |
| 9359218f AJ |
43 | retq |
| 44 | END (__copysignf) | |
| 45 | ||
| 34bb10aa | 46 | libm_alias_float (__copysign, copysign) |