projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> | |
| 34bb10aa | 20 | #include <libm-alias-float.h> |
| 9359218f | 21 | |
| 83a5fcc0 | 22 | .section .rodata |
| 83a5fcc0 AJ |
23 | |
| 24 | .align ALIGNARG(4) | |
| b67e9372 | 25 | .type mask,@object |
| 83a5fcc0 AJ |
26 | mask: |
| 27 | .byte 0xff, 0xff, 0xff, 0x7f | |
| 28 | ASM_SIZE_DIRECTIVE(mask) | |
| 29 | ||
| 30 | #ifdef PIC | |
| 31 | #define MO(op) op##(%rip) | |
| 32 | #else | |
| 33 | #define MO(op) op | |
| 34 | #endif | |
| dc818ad5 | 35 | |
| 11bf311e | 36 | .text |
| 9359218f | 37 | ENTRY(__copysignf) |
| df3dceb1 | 38 | movss MO(mask),%xmm3 |
| 83a5fcc0 AJ |
39 | andps %xmm3,%xmm0 |
| 40 | andnps %xmm1,%xmm3 | |
| 41 | orps %xmm3,%xmm0 | |
| 9359218f AJ |
42 | retq |
| 43 | END (__copysignf) | |
| 44 | ||
| 34bb10aa | 45 | libm_alias_float (__copysign, copysign) |