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author | Andreas Schwab <schwab@linux-m68k.org> | 2014-02-10 20:05:01 +0100 |
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committer | Andreas Schwab <schwab@linux-m68k.org> | 2014-02-10 20:22:40 +0100 |
commit | 73588a7223bec40d652fd4c75f1cb4772c5d2612 (patch) | |
tree | dfc1f1965e78e62e611199d91c482d1b76ff109d /ports/sysdeps/m68k/m680x0/fpu/s_frexp.c | |
parent | 87569616d27a2c742f87b5dbcac2f2e3437fd874 (diff) | |
download | glibc-73588a7223bec40d652fd4c75f1cb4772c5d2612.tar.gz glibc-73588a7223bec40d652fd4c75f1cb4772c5d2612.tar.xz glibc-73588a7223bec40d652fd4c75f1cb4772c5d2612.zip |
Move m68k from ports to libc
Diffstat (limited to 'ports/sysdeps/m68k/m680x0/fpu/s_frexp.c')
-rw-r--r-- | ports/sysdeps/m68k/m680x0/fpu/s_frexp.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/ports/sysdeps/m68k/m680x0/fpu/s_frexp.c b/ports/sysdeps/m68k/m680x0/fpu/s_frexp.c deleted file mode 100644 index f061b4f9ad..0000000000 --- a/ports/sysdeps/m68k/m680x0/fpu/s_frexp.c +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright (C) 1996-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <math.h> - -#ifndef FUNC -#define FUNC frexp -#endif -#ifndef float_type -#define float_type double -#endif - -#define __CONCATX(a,b) __CONCAT(a,b) - -float_type -__CONCATX(__,FUNC) (float_type value, int *expptr) -{ - float_type mantissa, exponent; - int iexponent; - unsigned long fpsr; - - __asm ("ftst%.x %1\n" - "fmove%.l %/fpsr, %0" - : "=dm" (fpsr) : "f" (value)); - if (fpsr & (7 << 24)) - { - /* Not finite or zero. */ - *expptr = 0; - return value; - } - __asm ("fgetexp%.x %1, %0" : "=f" (exponent) : "f" (value)); - iexponent = (int) exponent + 1; - *expptr = iexponent; - __asm ("fscale%.l %2, %0" - : "=f" (mantissa) - : "0" (value), "dmi" (-iexponent)); - return mantissa; -} -weak_alias (__CONCATX(__,FUNC), FUNC) |