diff options
Diffstat (limited to 'sysdeps/libm-i387/s_frexp.S')
| -rw-r--r-- | sysdeps/libm-i387/s_frexp.S | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/sysdeps/libm-i387/s_frexp.S b/sysdeps/libm-i387/s_frexp.S deleted file mode 100644 index 6a05f26720..0000000000 --- a/sysdeps/libm-i387/s_frexp.S +++ /dev/null @@ -1,82 +0,0 @@ -/* ix87 specific frexp implementation for double. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <machine/asm.h> - -#ifdef __ELF__ - .section .rodata -#else - .text -#endif - - .align ALIGNARG(4) - ASM_TYPE_DIRECTIVE(two54,@object) -two54: .byte 0, 0, 0, 0, 0, 0, 0x50, 0x43 - ASM_SIZE_DIRECTIVE(two54) - -#ifdef PIC -#define MO(op) op##@GOTOFF(%edx) -#else -#define MO(op) op -#endif - - .text -ENTRY(__frexp) - movl 4(%esp), %ecx - movl 8(%esp), %eax - movl %eax, %edx - andl $0x7fffffff, %eax - orl %eax, %ecx - jz 1f - xorl %ecx, %ecx - cmpl $0x7ff00000, %eax - jae 1f - - cmpl $0x00100000, %eax - jae 2f - - fldl 4(%esp) -#ifdef PIC - call 3f -3: popl %edx - addl $_GLOBAL_OFFSET_TABLE_+[.-3b], %edx -#endif - fmull MO(two54) - movl $-54, %ecx - fstpl 4(%esp) - movl 8(%esp), %eax - movl %eax, %edx - andl $0x7fffffff, %eax - -2: shrl $20, %eax - andl $0x800fffff, %edx - subl $1022, %eax - orl $0x3fe00000, %edx - addl %eax, %ecx - movl %edx, 8(%esp) - - /* Store %ecx in the variable pointed to by the second argument, - get the factor from the stack and return. */ -1: movl 12(%esp), %eax - fldl 4(%esp) - movl %ecx, (%eax) - ret -END(__frexp) -weak_alias (__frexp, frexp) |