projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d38cd08c | 1 | /* ix87 specific implementation of arcsinh. |
| 900bec85 | 2 | Copyright (C) 1996, 1997 Free Software Foundation, Inc. |
| d38cd08c UD |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Library General Public License as | |
| 8 | published by the Free Software Foundation; either version 2 of the | |
| 9 | 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 | Library General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Library General Public | |
| 17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 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(huge,@object) | |
| 31 | huge: .double 1e+300 | |
| 32 | ASM_SIZE_DIRECTIVE(huge) | |
| 33 | ASM_TYPE_DIRECTIVE(one,@object) | |
| 34 | one: .double 1.0 | |
| 35 | ASM_SIZE_DIRECTIVE(one) | |
| 36 | ASM_TYPE_DIRECTIVE(limit,@object) | |
| 37 | limit: .double 0.29 | |
| 38 | ASM_SIZE_DIRECTIVE(limit) | |
| 39 | ||
| 40 | #ifdef PIC | |
| 41 | #define MO(op) op##@GOTOFF(%edx) | |
| 42 | #else | |
| 43 | #define MO(op) op | |
| 44 | #endif | |
| 45 | ||
| 46 | .text | |
| 47 | ENTRY(__asinh) | |
| 48 | movl 8(%esp), %ecx | |
| 49 | movl $0x7fffffff, %eax | |
| 50 | andl %ecx, %eax | |
| 51 | andl $0x80000000, %ecx | |
| d705269e UD |
52 | movl %eax, %edx |
| 53 | orl $0x800fffff, %edx | |
| 54 | incl %edx | |
| 55 |