diff options
Diffstat (limited to 'qemu/roms/openbios/libgcc/multi3.c')
| -rw-r--r-- | qemu/roms/openbios/libgcc/multi3.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/qemu/roms/openbios/libgcc/multi3.c b/qemu/roms/openbios/libgcc/multi3.c deleted file mode 100644 index e7186be2a..000000000 --- a/qemu/roms/openbios/libgcc/multi3.c +++ /dev/null @@ -1,83 +0,0 @@ -/* muldi3.c extracted from gcc-2.7.2.3/libgcc2.c and - gcc-2.7.2.3/longlong.h which is: */ -/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC 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 General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin St, Fifth Floor, Boston, -MA 02110-1301, USA. */ - -#include "libgcc.h" - -#define BITS_PER_UNIT 8 -#define DI_TYPE_SIZE 64 - -#define __BITS4 (DI_TYPE_SIZE / 4) -#define __ll_B (1L << (DI_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((UDItype) (t) % __ll_B) -#define __ll_highpart(t) ((UDItype) (t) / __ll_B) - -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UDItype __x0, __x1, __x2, __x3; \ - UDItype __ul, __vl, __uh, __vh; \ - \ - __ul = __ll_lowpart (u); \ - __uh = __ll_highpart (u); \ - __vl = __ll_lowpart (v); \ - __vh = __ll_highpart (v); \ - \ - __x0 = (UDItype) __ul * __vl; \ - __x1 = (UDItype) __ul * __vh; \ - __x2 = (UDItype) __uh * __vl; \ - __x3 = (UDItype) __uh * __vh; \ - \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ - __x1 += __x2; /* but this indeed can */ \ - if (__x1 < __x2) /* did we get it? */ \ - __x3 += __ll_B; /* yes, add it in the proper pos. */ \ - \ - (w1) = __x3 + __ll_highpart (__x1); \ - (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ - } while (0) - -#define __umulsidi3(u, v) \ - ({TIunion __w; \ - umul_ppmm (__w.s.high, __w.s.low, u, v); \ - __w.ll; }) - -struct TIstruct {DItype high, low;}; - -typedef union -{ - struct TIstruct s; - TItype ll; -} TIunion; - -TItype -__multi3 (TItype u, TItype v) -{ - TIunion w; - TIunion uu, vv; - - uu.ll = u, - vv.ll = v; - - w.ll = __umulsidi3 (uu.s.low, vv.s.low); - w.s.high += ((UDItype) uu.s.low * (UDItype) vv.s.high - + (UDItype) uu.s.high * (UDItype) vv.s.low); - - return w.ll; -} |