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-rw-r--r--arch/arm26/nwfpe/extended_cpdo.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/arch/arm26/nwfpe/extended_cpdo.c b/arch/arm26/nwfpe/extended_cpdo.c
deleted file mode 100644
index 331407596d91..000000000000
--- a/arch/arm26/nwfpe/extended_cpdo.c
+++ /dev/null
@@ -1,273 +0,0 @@
1/*
2 NetWinder Floating Point Emulator
3 (c) Rebel.COM, 1998,1999
4
5 Direct questions, comments to Scott Bambrough <scottb@netwinder.org>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20*/
21
22#include "fpa11.h"
23#include "softfloat.h"
24#include "fpopcode.h"
25
26floatx80 floatx80_exp(floatx80 Fm);
27floatx80 floatx80_ln(floatx80 Fm);
28floatx80 floatx80_sin(floatx80 rFm);
29floatx80 floatx80_cos(floatx80 rFm);
30floatx80 floatx80_arcsin(floatx80 rFm);
31floatx80 floatx80_arctan(floatx80 rFm);
32floatx80 floatx80_log(floatx80 rFm);
33floatx80 floatx80_tan(floatx80 rFm);
34floatx80 floatx80_arccos(floatx80 rFm);
35floatx80 floatx80_pow(floatx80 rFn,floatx80 rFm);
36floatx80 floatx80_pol(floatx80 rFn,floatx80 rFm);
37
38unsigned int ExtendedCPDO(const unsigned int opcode)
39{
40 FPA11 *fpa11 = GET_FPA11();
41 floatx80 rFm, rFn;
42 unsigned int Fd, Fm, Fn, nRc = 1;
43
44 //printk("ExtendedCPDO(0x%08x)\n",opcode);
45
46 Fm = getFm(opcode);
47 if (CONSTANT_FM(opcode))
48 {
49 rFm = getExtendedConstant(Fm);
50 }
51 else
52 {
53 switch (fpa11->fType[Fm])
54 {
55 case typeSingle:
56 rFm = float32_to_floatx80(fpa11->fpreg[Fm].fSingle);
57 break;
58
59 case typeDouble:
60 rFm = float64_to_floatx80(fpa11->fpreg[Fm].fDouble);
61 break;
62
63 case typeExtended:
64 rFm = fpa11->fpreg[Fm].fExtended;
65 break;
66
67 default: return 0;
68 }
69 }
70
71 if (!MONADIC_INSTRUCTION(opcode))
72 {
73 Fn = getFn(opcode);
74 switch (fpa11->fType[Fn])
75 {
76 case typeSingle:
77 rFn = float32_to_floatx80(fpa11->fpreg[Fn].fSingle);
78 break;
79
80 case typeDouble:
81 rFn = float64_to_floatx80(fpa11->fpreg[Fn].fDouble);
82 break;
83
84 case typeExtended:
85 rFn = fpa11->fpreg[Fn].fExtended;
86 break;
87
88 default: return 0;
89 }
90 }
91
92 Fd = getFd(opcode);
93 switch (opcode & MASK_ARITHMETIC_OPCODE)
94 {
95 /* dyadic opcodes */
96 case ADF_CODE:
97 fpa11->fpreg[Fd].fExtended = floatx80_add(rFn,rFm);
98 break;
99
100 case MUF_CODE:
101 case FML_CODE:
102 fpa11->fpreg[Fd].fExtended = floatx80_mul(rFn,rFm);
103 break;
104
105 case SUF_CODE:
106 fpa11->fpreg[Fd].fExtended = floatx80_sub(rFn,rFm);
107 break;
108
109 case RSF_CODE:
110 fpa11->fpreg[Fd].fExtended = floatx80_sub(rFm,rFn);
111 break;
112
113 case DVF_CODE:
114 case FDV_CODE:
115 fpa11->fpreg[Fd].fExtended = floatx80_div(rFn,rFm);
116 break;
117
118 case RDF_CODE:
119 case FRD_CODE:
120 fpa11->fpreg[Fd].fExtended = floatx80_div(rFm,rFn);
121 break;
122
123#if 0
124 case POW_CODE:
125 fpa11->fpreg[Fd].fExtended = floatx80_pow(rFn,rFm);
126 break;
127
128 case RPW_CODE:
129 fpa11->fpreg[Fd].fExtended = floatx80_pow(rFm,rFn);
130 break;
131#endif
132
133 case RMF_CODE:
134 fpa11->fpreg[Fd].fExtended = floatx80_rem(rFn,rFm);
135 break;
136
137#if 0
138 case POL_CODE:
139 fpa11->fpreg[Fd].fExtended = floatx80_pol(rFn,rFm);
140 break;
141#endif
142
143 /* monadic opcodes */
144 case MVF_CODE:
145 fpa11->fpreg[Fd].fExtended = rFm;
146 break;
147
148 case MNF_CODE:
149 rFm.high ^= 0x8000;
150 fpa11->fpreg[Fd].fExtended = rFm;
151 break;
152
153 case ABS_CODE:
154 rFm.high &= 0x7fff;
155 fpa11->fpreg[Fd].fExtended = rFm;
156 break;
157
158 case RND_CODE:
159 case URD_CODE:
160 fpa11->fpreg[Fd].fExtended = floatx80_round_to_int(rFm);
161 break;
162
163 case SQT_CODE:
164 fpa11->fpreg[Fd].fExtended = floatx80_sqrt(rFm);
165 break;
166
167#if 0
168 case LOG_CODE:
169 fpa11->fpreg[Fd].fExtended = floatx80_log(rFm);
170 break;
171
172 case LGN_CODE:
173 fpa11->fpreg[Fd].fExtended = floatx80_ln(rFm);
174 break;
175
176 case EXP_CODE:
177 fpa11->fpreg[Fd].fExtended = floatx80_exp(rFm);
178 break;
179
180 case SIN_CODE:
181 fpa11->fpreg[Fd].fExtended = floatx80_sin(rFm);
182 break;
183
184 case COS_CODE:
185 fpa11->fpreg[Fd].fExtended = floatx80_cos(rFm);
186 break;
187
188 case TAN_CODE:
189 fpa11->fpreg[Fd].fExtended = floatx80_tan(rFm);
190 break;
191
192 case ASN_CODE:
193 fpa11->fpreg[Fd].fExtended = floatx80_arcsin(rFm);
194 break;
195
196 case ACS_CODE:
197 fpa11->fpreg[Fd].fExtended = floatx80_arccos(rFm);
198 break;
199
200 case ATN_CODE:
201 fpa11->fpreg[Fd].fExtended = floatx80_arctan(rFm);
202 break;
203#endif
204
205 case NRM_CODE:
206 break;
207
208 default:
209 {
210 nRc = 0;
211 }
212 }
213
214 if (0 != nRc) fpa11->fType[Fd] = typeExtended;
215 return nRc;
216}
217
218#if 0
219floatx80 floatx80_exp(floatx80 Fm)
220{
221//series
222}
223
224floatx80 floatx80_ln(floatx80 Fm)
225{
226//series
227}
228
229floatx80 floatx80_sin(floatx80 rFm)
230{
231//series
232}
233
234floatx80 floatx80_cos(floatx80 rFm)
235{
236//series
237}
238
239floatx80 floatx80_arcsin(floatx80 rFm)
240{
241//series
242}
243
244floatx80 floatx80_arctan(floatx80 rFm)
245{
246 //series
247}
248
249floatx80 floatx80_log(floatx80 rFm)
250{
251 return floatx80_div(floatx80_ln(rFm),getExtendedConstant(7));
252}
253
254floatx80 floatx80_tan(floatx80 rFm)
255{
256 return floatx80_div(floatx80_sin(rFm),floatx80_cos(rFm));
257}
258
259floatx80 floatx80_arccos(floatx80 rFm)
260{
261 //return floatx80_sub(halfPi,floatx80_arcsin(rFm));
262}
263
264floatx80 floatx80_pow(floatx80 rFn,floatx80 rFm)
265{
266 return floatx80_exp(floatx80_mul(rFm,floatx80_ln(rFn)));
267}
268
269floatx80 floatx80_pol(floatx80 rFn,floatx80 rFm)
270{
271 return floatx80_arctan(floatx80_div(rFn,rFm));
272}
273#endif
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