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root/cebix/BasiliskII/src/uae_cpu/fpu/fpu_ieee.cpp
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Comparing BasiliskII/src/uae_cpu/fpu/fpu_ieee.cpp (file contents):
Revision 1.7 by gbeauche, 2002-11-16T15:28:25Z vs.
Revision 1.10 by asvitkine, 2012-03-30T01:45:08Z

# Line 1 | Line 1
1   /*
2 < * UAE - The Un*x Amiga Emulator
2 > *  fpu/fpu_ieee.cpp
3   *
4 < * MC68881/MC68040 emulation
4 > *  Basilisk II (C) 1997-2008 Christian Bauer
5   *
6 < * Copyright 1996 Herman ten Brugge
6 > *  MC68881/68040 fpu emulation
7   *
8 + *  Original UAE FPU, copyright 1996 Herman ten Brugge
9 + *  Rewrite for x86, copyright 1999-2000 Lauri Pesonen
10 + *  New framework, copyright 2000 Gwenole Beauchesne
11 + *  Adapted for JIT compilation (c) Bernd Meyer, 2000
12 + *  
13 + *  This program is free software; you can redistribute it and/or modify
14 + *  it under the terms of the GNU General Public License as published by
15 + *  the Free Software Foundation; either version 2 of the License, or
16 + *  (at your option) any later version.
17   *
18 + *  This program is distributed in the hope that it will be useful,
19 + *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20 + *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 + *  GNU General Public License for more details.
22 + *
23 + *  You should have received a copy of the GNU General Public License
24 + *  along with this program; if not, write to the Free Software
25 + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
26 + */
27 +
28 + /*
29   * Following fixes by Lauri Pesonen, July 1999:
30   *
31   * FMOVEM list handling:
# Line 180 | Line 200 | PRIVATE inline fpu_register FFPU make_si
200   #if 1
201          // Use a single, otherwise some checks for NaN, Inf, Zero would have to
202          // be performed
203 <        fpu_single result;
203 >        fpu_single result = 0; // = 0 to workaround a compiler bug on SPARC
204          fp_declare_init_shape(srp, result, single);
205          srp->ieee.negative      = (value >> 31) & 1;
206          srp->ieee.exponent      = (value >> 23) & FP_SINGLE_EXP_MAX;
# Line 1628 | Line 1648 | void FFPU fpuop_arithmetic(uae_u32 opcod
1648                                  break;
1649   #if USE_LONG_DOUBLE || USE_QUAD_DOUBLE
1650                          case 0x3c:
1651 <                                FPU registers[reg] = 1.0e512;
1651 >                                FPU registers[reg] = 1.0e512L;
1652                                  fpu_debug(("FP const: 1.0e512\n"));
1653                                  break;
1654                          case 0x3d:
1655 <                                FPU registers[reg] = 1.0e1024;
1655 >                                FPU registers[reg] = 1.0e1024L;
1656                                  fpu_debug(("FP const: 1.0e1024\n"));
1657                                  break;
1658                          case 0x3e:
1659 <                                FPU registers[reg] = 1.0e2048;
1659 >                                FPU registers[reg] = 1.0e2048L;
1660                                  fpu_debug(("FP const: 1.0e2048\n"));
1661                                  break;
1662                          case 0x3f:
1663 <                                FPU registers[reg] = 1.0e4096;
1663 >                                FPU registers[reg] = 1.0e4096L;
1664                                  fpu_debug(("FP const: 1.0e4096\n"));
1665   #endif
1666                                  break;

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