mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-15 02:09:19 +08:00
10501d5766
* libc/machine/i386/f_atan2.S: Change copyright from Cygnus Solutions to Red Hat Inc. * libc/machine/i386/f_atan2f.S: Ditto. * libc/machine/i386/f_exp.c: Ditto. * libc/machine/i386/f_expf.c: Ditto. * libc/machine/i386/f_frexp.S: Ditto. * libc/machine/i386/f_frexpf.S: Ditto. * libc/machine/i386/f_ldexp.S: Ditto. * libc/machine/i386/f_ldexpf.S: Ditto. * libc/machine/i386/f_log.S: Ditto. * libc/machine/i386/f_log10.S: Ditto. * libc/machine/i386/f_log10f.S: Ditto. * libc/machine/i386/f_logf.S: Ditto. * libc/machine/i386/f_pow.c: Ditto. * libc/machine/i386/f_powf.c: Ditto. * libc/machine/i386/f_tan.S: Ditto. * libc/machine/i386/f_tanf.S: Ditto. * libc/machine/i386/memchr.S: Ditto. * libc/machine/i386/memcmp.S: Ditto. * libc/machine/i386/memcpy.S: Ditto. * libc/machine/i386/memmove.S: Ditto. * libc/machine/i386/memset.S: Ditto. * libc/machine/i386/strchr.S: Ditto. * libc/machine/i386/strlen.S: Ditto. * libm/machine/i386/f_atan2.S: Ditto. * libm/machine/i386/f_atan2f.S: Ditto. * libm/machine/i386/f_exp.c: Ditto. * libm/machine/i386/f_expf.c: Ditto. * libm/machine/i386/f_frexp.S: Ditto. * libm/machine/i386/f_frexpf.S: Ditto. * libm/machine/i386/f_ldexp.S: Ditto. * libm/machine/i386/f_ldexpf.S: Ditto. * libm/machine/i386/f_log.S: Ditto. * libm/machine/i386/f_log10.S: Ditto. * libm/machine/i386/f_log10f.S: Ditto. * libm/machine/i386/f_logf.S: Ditto. * libm/machine/i386/f_pow.c: Ditto. * libm/machine/i386/f_powf.c: Ditto. * libm/machine/i386/f_tan.S: Ditto. * libm/machine/i386/f_tanf.S: Ditto.
49 lines
847 B
ArmAsm
49 lines
847 B
ArmAsm
/*
|
|
* ====================================================
|
|
* Copyright (C) 1998, 2002 by Red Hat Inc. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software is freely granted, provided that this notice
|
|
* is preserved.
|
|
* ====================================================
|
|
*/
|
|
|
|
#if !defined(_SOFT_FLOAT)
|
|
|
|
/*
|
|
Fast version of frexpf using Intel float instructions.
|
|
|
|
float _f_frexpf (float x, int *exp);
|
|
|
|
Function splits x into y * 2 ** z. It then
|
|
returns the value of y and updates *exp with z.
|
|
There is no error checking or setting of errno.
|
|
*/
|
|
|
|
#include "i386mach.h"
|
|
|
|
.global SYM (_f_frexpf)
|
|
SOTYPE_FUNCTION(_f_frexpf)
|
|
|
|
SYM (_f_frexpf):
|
|
pushl ebp
|
|
movl esp,ebp
|
|
flds 8(ebp)
|
|
movl 12(ebp),eax
|
|
|
|
fxtract
|
|
fld1
|
|
fchs
|
|
fxch
|
|
fscale
|
|
fstp st1
|
|
fxch
|
|
fld1
|
|
faddp
|
|
fistpl 0(eax)
|
|
|
|
leave
|
|
ret
|
|
|
|
#endif
|