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/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** Modified O.ROBERT 24, Avenue de Verdun 92170 VANVES, FRANCE
**
** E-mail: roberto@germinal.ibp.fr
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**
** or 03-Apr-1991 corrected bug about argument zero to pow
** fyl2x didn't like it
*/
/* Modified by H.J. Lu for Linux, 1992 */
/* Modified by J.-H. Rechtien, 2.2.1994 */
/* History:15,24 */
.file "exp.S"
#ifdef __ELF__
#define _exp exp
#endif
#ifdef __ELF__
.section .rodata
#else
.text
#endif
#ifdef __i486__
.align 4,0x90
#else
.align 2,0x90
#endif
#ifdef __ELF__
.LC0:
#else
LC0:
#endif
.double 0d1.0000000000000000000e+00
.text
.globl _exp
#ifdef __i486__
.align 4,0x90
#else
.align 2,0x90
#endif
_exp:
pushl %ebp
movl %esp,%ebp
subl $16,%esp
#ifdef __PIC__
pushl %ebx
call .L1
.L1:
popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-.L1],%ebx
#endif
fldl 8(%ebp)
fldl2e
fmulp %st,%st(1)
fstcw -4(%ebp)
fstcw -8(%ebp)
fwait
andw $0xf3ff,-4(%ebp)
fldcw -4(%ebp)
fldl %st(0)
frndint
fldcw -8(%ebp)
fxch %st(1)
fsub %st(1),%st
f2xm1
fwait
#ifdef __PIC__
faddl .LC0@GOTOFF(%ebx)
#else
#ifdef __ELF__
faddl .LC0
#else
faddl LC0
#endif
#endif
fscale
fstp %st(1)
/* Start of overflow checking: if result is INF or -INF, set errno to ERANGE */
fstl -16(%ebp)
movl -16(%ebp),%eax
testl %eax,%eax
jnz .L9
movl -12(%ebp),%eax
andl $0x7FFFFFFF,%eax
cmpl $0x7FF00000,%eax
jne .L9
movl $34,%eax
#ifdef __PIC__
movl %eax,errno@GOT(%ebx)
#else
movl %eax,errno
#endif
.L9:
/* End of overflow checking */
#ifdef __PIC__
popl %ebx
#endif
movl %ebp,%esp
popl %ebp
ret
#ifdef __ELF__
.type exp,@function
#endif
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