1// Copyright (c) 2007 The Hewlett-Packard Development Company
2// Copyright (c) 2012-13 Mark D. Hill and David A. Wood
3// All rights reserved.
4//
5// The license below extends only to copyright in the software and shall
6// not be construed as granting a license to any other intellectual
7// property including but not limited to intellectual property relating
8// to a hardware implementation of the functionality of the software
9// licensed hereunder. You may use the software subject to the license
10// terms below provided that you ensure that this notice is replicated
11// unmodified and in its entirety in all distributions of the software,
12// modified or unmodified, in source code or in binary form.
13//
14// Redistribution and use in source and binary forms, with or without
15// modification, are permitted provided that the following conditions are
16// met: redistributions of source code must retain the above copyright
17// notice, this list of conditions and the following disclaimer;
18// redistributions in binary form must reproduce the above copyright
19// notice, this list of conditions and the following disclaimer in the
20// documentation and/or other materials provided with the distribution;
21// neither the name of the copyright holders nor the names of its
22// contributors may be used to endorse or promote products derived from
23// this software without specific prior written permission.
24//
25// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36//
37// Authors: Gabe Black
38// Nilay Vaish
39
40format WarnUnimpl {
41 0x1B: decode OPCODE_OP_BOTTOM3 {
42 0x0: decode MODRM_REG {
43 0x0: decode MODRM_MOD {
44 0x3: Inst::FADD1(Eq);
45 // 32-bit memory operand
46 default: Inst::FADD1(Md);
47 }
48 0x1: decode MODRM_MOD {
49 0x3: Inst::FMUL1(Eq);
50 default: Inst::FMUL1(Md);
51 }
52 0x2: fcom();
53 0x3: fcomp();
54 0x4: decode MODRM_MOD {
55 0x3: Inst::FSUB1(Eq);
56 default: Inst::FSUB1(Md);
57 }
58 0x5: fsubr();
59 0x6: decode MODRM_MOD {
60 0x3: Inst::FDIV1(Eq);
61 default: Inst::FDIV1(Md);
62 }
63 0x7: fdivr();
64 }
65 0x1: decode MODRM_REG {
66 0x0: decode MODRM_MOD {
67 0x3: Inst::FLD(Eq);
68 // 32-bit load
69 default: Inst::FLD(Md);
70 }
71 0x1: decode MODRM_MOD {
72 0x3: Inst::FXCH(Eq);
73 default: Inst::UD2();
74 }
75 0x2: decode MODRM_MOD {
76 0x3: decode MODRM_RM {
77 0x0: fnop();
78 default: Inst::UD2();
79 }
80 default: Inst::FST(Ed);
81 }
82 0x3: decode MODRM_MOD {
83 0x3: Inst::UD2();
84 default: Inst::FSTP(Ed);
85 }
86 0x4: decode MODRM_MOD {
87 0x3: decode MODRM_RM {
88 0x0: Inst::FCHS();
89 0x1: Inst::FABS();
90 0x4: ftst();
91 0x5: fxam();
92 default: Inst::UD2();
93 }
94 default: Inst::FLDENV(M);
95 }
96 0x5: decode MODRM_MOD {
97 0x3: decode MODRM_RM {
98 0x0: Inst::FLD1();
99 0x1: Inst::FLDL2T();
100 0x2: Inst::FLDL2E();
101 0x3: Inst::FLDPI();
102 0x4: Inst::FLDLG2();
103 0x5: Inst::FLDLN2();
104 0x6: Inst::FLDZ();
105 }
106 default: Inst::FLDCW(Mw);
107 }
108 0x6: decode MODRM_MOD {
109 0x3: decode MODRM_RM {
110 0x0: f2xm1();
111 0x1: Inst::FYL2X();
112 0x2: Inst::FPTAN();
113 0x3: fpatan();
114 0x4: fxtract();
115 0x5: Inst::FPREM1();
116 0x6: fdecstp();
117 0x7: fincstp();
118 }
119 default: Inst::FNSTENV(M);
120 }
121 0x7: decode MODRM_MOD {
122 0x3: decode MODRM_RM {
123 0x0: Inst::FPREM();
124 0x1: fyl2xp1();
125 0x2: fsqrt();
126 0x3: Inst::FSINCOS();
127 0x4: frndint();
128 0x5: fscale();
129 0x6: Inst::FSIN();
130 0x7: Inst::FCOS();
131 }
132 default: Inst::FNSTCW(Mw);
133 }
134 }
135 //0x2: esc2();
136 0x2: decode MODRM_REG {
137 0x0: decode MODRM_MOD {
138 0x3: fcmovb();
139 default: fiadd();
140 }
141 0x1: decode MODRM_MOD {
142 0x3: fcmove();
143 default: fimul();
144 }
145 0x2: decode MODRM_MOD {
146 0x3: fcmovbe();
147 default: ficom();
148 }
149 0x3: decode MODRM_MOD {
150 0x3: fcmovu();
151 default: ficomp();
152 }
153 0x4: decode MODRM_MOD {
154 0x3: Inst::UD2();
155 default: fisub();
156 }
157 0x5: decode MODRM_MOD {
158 0x3: decode MODRM_RM {
159 0x1: fucompp();
160 default: Inst::UD2();
161 }
162 default: fisubr();
163 }
164 0x6: decode MODRM_MOD {
165 0x3: Inst::UD2();
166 default: fidiv();
167 }
168 0x7: decode MODRM_MOD {
169 0x3: Inst::UD2();
170 default: fidivr();
171 }
172 }
173 //0x3: esc3();
174 0x3: decode MODRM_REG {
175 0x0: decode MODRM_MOD {
176 0x3: fcmovnb();
177 default: fild();
178 }
179 0x1: decode MODRM_MOD {
180 0x3: fcmovne();
181 default: fisttp();
182 }
183 0x2: decode MODRM_MOD {
184 0x3: fcmovnbe();
185 default: fist();
186 }
187 0x3: decode MODRM_MOD {
188 0x3: fcmovnu();
189 default: fistp();
190 }
191 0x4: decode MODRM_MOD {
192 0x3: decode MODRM_RM {
193 0x2: fnclex();
194 0x3: fninit();
195 default: Inst::UD2();
196 }
197 default: Inst::UD2();
198 }
199 0x5: decode MODRM_MOD {
200 0x3: fucomi();
201 // 80-bit load
202 default: Inst::FLD80(M);
203 }
204 0x6: decode MODRM_MOD {
205 0x3: fcomi();
206 default: Inst::UD2();
207 }
208 0x7: decode MODRM_MOD {
209 0x3: Inst::UD2();
210 default: Inst::FST80P(M);
211 }
212 }
213 //0x4: esc4();
214 0x4: decode MODRM_REG {
215 0x0: decode MODRM_MOD {
216 0x3: Inst::FADD2(Eq);
217 default: Inst::FADD2(Mq);
218 }
219 0x1: decode MODRM_MOD {
220 0x3: Inst::FMUL2(Eq);
221 default: Inst::FMUL2(Mq);
222 }
223 0x2: decode MODRM_MOD {
224 0x3: Inst::UD2();
225 default: fcom();
226 }
227 0x3: decode MODRM_MOD {
228 0x3: Inst::UD2();
229 default: fcomp();
230 }
231 0x4: decode MODRM_MOD {
232 0x3: fsubr();
233 default: Inst::FSUB2(Mq);
234 }
235 0x5: decode MODRM_MOD {
236 0x3: Inst::FSUB2(Eq);
237 default: fsubr();
238 }
239 0x6: decode MODRM_MOD {
240 0x3: fdivr();
241 default: Inst::FDIV2(Mq);
242 }
243 0x7: decode MODRM_MOD {
244 0x3: Inst::FDIV2(Eq);
245 default: fdivr();
246 }
247 }
248 //0x5: esc5();
249 0x5: decode MODRM_REG {
250 0x0: decode MODRM_MOD {
251 0x3: ffree();
252 // 64-bit load
253 default: Inst::FLD(Mq);
254 }
255 0x1: decode MODRM_MOD {
256 0x3: Inst::UD2();
257 default: fisttp();
258 }
259 0x2: decode MODRM_MOD {
260 0x3: Inst::FST(Eq);
261 default: Inst::FST(Mq);
262 }
263 0x3: decode MODRM_MOD {
264 0x3: Inst::FSTP(Eq);
265 default: Inst::FSTP(Mq);
266 }
267 0x4: decode MODRM_MOD {
268 0x3: fucom();
269 default: frstor();
270 }
271 0x5: decode MODRM_MOD {
272 0x3: fucomp();
273 default: Inst::UD2();
274 }
275 0x6: decode MODRM_MOD {
276 0x3: Inst::UD2();
277 default: fnsave();
278 }
279 0x7: decode MODRM_MOD {
280 0x3: Inst::UD2();
281 default: Inst::FNSTSW(Mw);
282 }
283 }
284 //0x6: esc6();
285 0x6: decode MODRM_REG {
286 0x0: decode MODRM_MOD {
287 0x3: decode MODRM_RM {
288 0x1: Inst::FADDP();
289 default: Inst::FADDP(Eq);
290 }
291 default: fiadd();
292 }
293 0x1: decode MODRM_MOD {
294 0x3: Inst::FMULP(Eq);
295 default: fimul();
296 }
297 0x2: decode MODRM_MOD {
298 0x3: Inst::UD2();
299 default: ficom();
300 }
301 0x3: decode MODRM_MOD {
302 0x3: decode MODRM_RM {
303 0x1: fcompp();
304 default: Inst::UD2();
305 }
306 default: ficomp();
307 }
308 0x4: decode MODRM_MOD {
309 0x3: fsubrp();
310 default: fisub();
311 }
312 0x5: decode MODRM_MOD {
313 0x3: decode MODRM_RM {
314 0x1: Inst::FSUBP();
315 default: Inst::FSUBP(Eq);
316 }
317 default: fisubr();
318 }
319 0x6: decode MODRM_MOD {
320 0x3: fdivrp();
321 default: fidiv();
322 }
323 0x7: decode MODRM_MOD {
324 0x3: Inst::FDIVP(Eq);
325 default: fidivr();
326 }
327 }
328 //0x7: esc7();
329 0x7: decode MODRM_REG {
330 0x0: decode MODRM_MOD {
331 // The ffreep instruction isn't entirely real. It should work
332 // the same as ffree but then also pop the register stack.
333 0x3: ffreep();
334 default: fild();
335 }
336 0x1: decode MODRM_MOD {
337 0x3: Inst::UD2();
338 default: fisttp();
339 }
340 0x2: decode MODRM_MOD {
341 0x3: Inst::UD2();
342 default: fist();
343 }
344 0x3: decode MODRM_MOD {
345 0x3: Inst::UD2();
346 default: fistp();
347 }
348 0x4: decode MODRM_MOD {
349 0x3: decode MODRM_RM {
350 0x0: Inst::FNSTSW(rAw);
351 default: Inst::UD2();
352 }
353 default: fbld();
354 }
355 0x5: decode MODRM_MOD {
356 0x3: fucomip();
357 default: fild();
358 }
359 0x6: decode MODRM_MOD {
360 0x3: fcomip();
361 default: fbstp();
362 }
363 0x7: decode MODRM_MOD {
364 0x3: Inst::UD2();
365 default: fistp();
366 }
367 }
368 }
369}