Commit | Line | Data |
---|---|---|
86bc60eb MS |
1 | /* Simulator/Opcode generator for the Renesas |
2 | (formerly Hitachi) / SuperH Inc. Super-H architecture. | |
c906108c SS |
3 | |
4 | Written by Steve Chamberlain of Cygnus Support. | |
5 | sac@cygnus.com | |
6 | ||
7 | This file is part of SH sim | |
8 | ||
9 | ||
10 | THIS SOFTWARE IS NOT COPYRIGHTED | |
11 | ||
12 | Cygnus offers the following for use in the public domain. Cygnus | |
13 | makes no warranty with regard to the software or it's performance | |
14 | and the user accepts the software "AS IS" with all faults. | |
15 | ||
16 | CYGNUS DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO | |
17 | THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
18 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
19 | ||
20 | */ | |
21 | ||
22 | /* This program generates the opcode table for the assembler and | |
23 | the simulator code | |
24 | ||
25 | -t prints a pretty table for the assembler manual | |
26 | -s generates the simulator code jump table | |
27 | -d generates a define table | |
28 | -x generates the simulator code switch statement | |
63978407 | 29 | default used to generate the opcode tables |
c906108c SS |
30 | |
31 | */ | |
32 | ||
33 | #include <stdio.h> | |
34 | ||
63978407 | 35 | #define MAX_NR_STUFF 42 |
c906108c SS |
36 | |
37 | typedef struct | |
38 | { | |
39 | char *defs; | |
40 | char *refs; | |
41 | char *name; | |
42 | char *code; | |
43 | char *stuff[MAX_NR_STUFF]; | |
44 | int index; | |
8f1e3ff5 | 45 | } op; |
c906108c SS |
46 | |
47 | ||
48 | op tab[] = | |
49 | { | |
50 | ||
51 | { "n", "", "add #<imm>,<REG_N>", "0111nnnni8*1....", | |
87acb4a7 | 52 | "R[n] += SEXT (i);", |
c906108c SS |
53 | "if (i == 0) {", |
54 | " UNDEF(n); /* see #ifdef PARANOID */", | |
55 | " break;", | |
56 | "}", | |
57 | }, | |
58 | { "n", "mn", "add <REG_M>,<REG_N>", "0011nnnnmmmm1100", | |
59 | "R[n] += R[m];", | |
60 | }, | |
61 | ||
62 | { "n", "mn", "addc <REG_M>,<REG_N>", "0011nnnnmmmm1110", | |
63 | "ult = R[n] + T;", | |
64 | "SET_SR_T (ult < R[n]);", | |
65 | "R[n] = ult + R[m];", | |
66 | "SET_SR_T (T || (R[n] < ult));", | |
67 | }, | |
68 | ||
69 | { "n", "mn", "addv <REG_M>,<REG_N>", "0011nnnnmmmm1111", | |
70 | "ult = R[n] + R[m];", | |
71 | "SET_SR_T ((~(R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", | |
72 | "R[n] = ult;", | |
73 | }, | |
74 | ||
75 | { "0", "", "and #<imm>,R0", "11001001i8*1....", | |
76 | "R0 &= i;", | |
77 | }, | |
78 | { "n", "nm", "and <REG_M>,<REG_N>", "0010nnnnmmmm1001", | |
79 | "R[n] &= R[m];", | |
80 | }, | |
81 | { "", "0", "and.b #<imm>,@(R0,GBR)", "11001101i8*1....", | |
82 | "MA (1);", | |
83 | "WBAT (GBR + R0, RBAT (GBR + R0) & i);", | |
84 | }, | |
85 | ||
86 | { "", "", "bf <bdisp8>", "10001011i8p1....", | |
87 | "if (!T) {", | |
87acb4a7 | 88 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
89 | " cycles += 2;", |
90 | "}", | |
91 | }, | |
92 | ||
93 | { "", "", "bf.s <bdisp8>", "10001111i8p1....", | |
94 | "if (!T) {", | |
63978407 | 95 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
96 | " cycles += 2;", |
97 | " Delay_Slot (PC + 2);", | |
98 | "}", | |
99 | }, | |
100 | ||
101 | { "", "", "bra <bdisp12>", "1010i12.........", | |
63978407 JR |
102 | "SET_NIP (PC + 4 + (SEXT12 (i) * 2));", |
103 | "cycles += 2;", | |
c906108c SS |
104 | "Delay_Slot (PC + 2);", |
105 | }, | |
106 | ||
107 | { "", "n", "braf <REG_N>", "0000nnnn00100011", | |
63978407 JR |
108 | "SET_NIP (PC + 4 + R[n]);", |
109 | "cycles += 2;", | |
c906108c SS |
110 | "Delay_Slot (PC + 2);", |
111 | }, | |
112 | ||
113 | { "", "", "bsr <bdisp12>", "1011i12.........", | |
63978407 JR |
114 | "PR = PH2T (PC + 4);", |
115 | "SET_NIP (PC + 4 + (SEXT12 (i) * 2));", | |
116 | "cycles += 2;", | |
c906108c SS |
117 | "Delay_Slot (PC + 2);", |
118 | }, | |
119 | ||
120 | { "", "n", "bsrf <REG_N>", "0000nnnn00000011", | |
63978407 JR |
121 | "PR = PH2T (PC) + 4;", |
122 | "SET_NIP (PC + 4 + R[n]);", | |
123 | "cycles += 2;", | |
c906108c SS |
124 | "Delay_Slot (PC + 2);", |
125 | }, | |
126 | ||
127 | { "", "", "bt <bdisp8>", "10001001i8p1....", | |
128 | "if (T) {", | |
63978407 | 129 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
130 | " cycles += 2;", |
131 | "}", | |
132 | }, | |
133 | ||
134 | { "", "", "bt.s <bdisp8>", "10001101i8p1....", | |
135 | "if (T) {", | |
63978407 | 136 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
137 | " cycles += 2;", |
138 | " Delay_Slot (PC + 2);", | |
139 | "}", | |
140 | }, | |
141 | ||
142 | { "", "", "clrmac", "0000000000101000", | |
143 | "MACH = 0;", | |
144 | "MACL = 0;", | |
145 | }, | |
146 | ||
147 | { "", "", "clrs", "0000000001001000", | |
148 | "SET_SR_S (0);", | |
149 | }, | |
150 | ||
151 | { "", "", "clrt", "0000000000001000", | |
152 | "SET_SR_T (0);", | |
153 | }, | |
154 | ||
86bc60eb MS |
155 | /* sh4a */ |
156 | { "", "", "clrdmxy", "0000000010001000", | |
157 | "saved_state.asregs.cregs.named.sr &= ~(SR_MASK_DMX | SR_MASK_DMY);" | |
158 | }, | |
159 | ||
c906108c SS |
160 | { "", "0", "cmp/eq #<imm>,R0", "10001000i8*1....", |
161 | "SET_SR_T (R0 == SEXT (i));", | |
162 | }, | |
163 | { "", "mn", "cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000", | |
164 | "SET_SR_T (R[n] == R[m]);", | |
165 | }, | |
166 | { "", "mn", "cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011", | |
167 | "SET_SR_T (R[n] >= R[m]);", | |
168 | }, | |
169 | { "", "mn", "cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111", | |
170 | "SET_SR_T (R[n] > R[m]);", | |
171 | }, | |
172 | { "", "mn", "cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110", | |
173 | "SET_SR_T (UR[n] > UR[m]);", | |
174 | }, | |
175 | { "", "mn", "cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010", | |
176 | "SET_SR_T (UR[n] >= UR[m]);", | |
177 | }, | |
178 | { "", "n", "cmp/pl <REG_N>", "0100nnnn00010101", | |
179 | "SET_SR_T (R[n] > 0);", | |
180 | }, | |
181 | { "", "n", "cmp/pz <REG_N>", "0100nnnn00010001", | |
182 | "SET_SR_T (R[n] >= 0);", | |
183 | }, | |
184 | { "", "mn", "cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100", | |
185 | "ult = R[n] ^ R[m];", | |
186 | "SET_SR_T (((ult & 0xff000000) == 0)", | |
187 | " | ((ult & 0xff0000) == 0)", | |
188 | " | ((ult & 0xff00) == 0)", | |
189 | " | ((ult & 0xff) == 0));", | |
190 | }, | |
191 | ||
192 | { "", "mn", "div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111", | |
193 | "SET_SR_Q ((R[n] & sbit) != 0);", | |
194 | "SET_SR_M ((R[m] & sbit) != 0);", | |
195 | "SET_SR_T (M != Q);", | |
196 | }, | |
197 | ||
198 | { "", "", "div0u", "0000000000011001", | |
199 | "SET_SR_M (0);", | |
200 | "SET_SR_Q (0);", | |
201 | "SET_SR_T (0);", | |
202 | }, | |
203 | ||
86bc60eb | 204 | { "", "nm", "div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100", |
c906108c SS |
205 | "div1 (R, m, n/*, T*/);", |
206 | }, | |
207 | ||
208 | { "", "nm", "dmuls.l <REG_M>,<REG_N>", "0011nnnnmmmm1101", | |
209 | "dmul (1/*signed*/, R[n], R[m]);", | |
210 | }, | |
211 | ||
212 | { "", "nm", "dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101", | |
213 | "dmul (0/*unsigned*/, R[n], R[m]);", | |
214 | }, | |
215 | ||
216 | { "n", "n", "dt <REG_N>", "0100nnnn00010000", | |
217 | "R[n]--;", | |
218 | "SET_SR_T (R[n] == 0);", | |
219 | }, | |
220 | ||
221 | { "n", "m", "exts.b <REG_M>,<REG_N>", "0110nnnnmmmm1110", | |
222 | "R[n] = SEXT (R[m]);", | |
223 | }, | |
224 | { "n", "m", "exts.w <REG_M>,<REG_N>", "0110nnnnmmmm1111", | |
225 | "R[n] = SEXTW (R[m]);", | |
226 | }, | |
227 | ||
228 | { "n", "m", "extu.b <REG_M>,<REG_N>", "0110nnnnmmmm1100", | |
229 | "R[n] = (R[m] & 0xff);", | |
230 | }, | |
231 | { "n", "m", "extu.w <REG_M>,<REG_N>", "0110nnnnmmmm1101", | |
232 | "R[n] = (R[m] & 0xffff);", | |
233 | }, | |
234 | ||
2bc8946d | 235 | /* sh2e */ |
c906108c SS |
236 | { "", "", "fabs <FREG_N>", "1111nnnn01011101", |
237 | "FP_UNARY (n, fabs);", | |
87acb4a7 | 238 | "/* FIXME: FR (n) &= 0x7fffffff; */", |
c906108c SS |
239 | }, |
240 | ||
2bc8946d | 241 | /* sh2e */ |
c906108c SS |
242 | { "", "", "fadd <FREG_M>,<FREG_N>", "1111nnnnmmmm0000", |
243 | "FP_OP (n, +, m);", | |
244 | }, | |
245 | ||
2bc8946d | 246 | /* sh2e */ |
c906108c SS |
247 | { "", "", "fcmp/eq <FREG_M>,<FREG_N>", "1111nnnnmmmm0100", |
248 | "FP_CMP (n, ==, m);", | |
249 | }, | |
2bc8946d | 250 | /* sh2e */ |
c906108c SS |
251 | { "", "", "fcmp/gt <FREG_M>,<FREG_N>", "1111nnnnmmmm0101", |
252 | "FP_CMP (n, >, m);", | |
253 | }, | |
254 | ||
7a292a7a SS |
255 | /* sh4 */ |
256 | { "", "", "fcnvds <DR_N>,FPUL", "1111nnnn10111101", | |
257 | "if (! FPSCR_PR || n & 1)", | |
63978407 | 258 | " RAISE_EXCEPTION (SIGILL);", |
7a292a7a SS |
259 | "else", |
260 | "{", | |
104c1213 JM |
261 | " union", |
262 | " {", | |
263 | " int i;", | |
264 | " float f;", | |
265 | " } u;", | |
87acb4a7 | 266 | " u.f = DR (n);", |
104c1213 | 267 | " FPUL = u.i;", |
7a292a7a SS |
268 | "}", |
269 | }, | |
270 | ||
271 | /* sh4 */ | |
272 | { "", "", "fcnvsd FPUL,<DR_N>", "1111nnnn10101101", | |
273 | "if (! FPSCR_PR || n & 1)", | |
63978407 | 274 | " RAISE_EXCEPTION (SIGILL);", |
7a292a7a SS |
275 | "else", |
276 | "{", | |
104c1213 JM |
277 | " union", |
278 | " {", | |
279 | " int i;", | |
280 | " float f;", | |
281 | " } u;", | |
282 | " u.i = FPUL;", | |
87acb4a7 | 283 | " SET_DR (n, u.f);", |
7a292a7a SS |
284 | "}", |
285 | }, | |
286 | ||
2bc8946d | 287 | /* sh2e */ |
c906108c SS |
288 | { "", "", "fdiv <FREG_M>,<FREG_N>", "1111nnnnmmmm0011", |
289 | "FP_OP (n, /, m);", | |
290 | "/* FIXME: check for DP and (n & 1) == 0? */", | |
291 | }, | |
292 | ||
7a292a7a | 293 | /* sh4 */ |
86bc60eb MS |
294 | { "", "", "fipr <FV_M>,<FV_N>", "1111vvVV11101101", |
295 | "if (FPSCR_PR)", | |
296 | " RAISE_EXCEPTION (SIGILL);", | |
297 | "else", | |
298 | "{", | |
299 | " double fsum = 0;", | |
300 | " /* FIXME: check for nans and infinities. */", | |
301 | " fsum += FR (v1+0) * FR (v2+0);", | |
302 | " fsum += FR (v1+1) * FR (v2+1);", | |
303 | " fsum += FR (v1+2) * FR (v2+2);", | |
304 | " fsum += FR (v1+3) * FR (v2+3);", | |
305 | " SET_FR (v1+3, fsum);", | |
306 | "}", | |
7a292a7a SS |
307 | }, |
308 | ||
2bc8946d | 309 | /* sh2e */ |
c906108c | 310 | { "", "", "fldi0 <FREG_N>", "1111nnnn10001101", |
87acb4a7 | 311 | "SET_FR (n, (float) 0.0);", |
c906108c SS |
312 | "/* FIXME: check for DP and (n & 1) == 0? */", |
313 | }, | |
314 | ||
2bc8946d | 315 | /* sh2e */ |
c906108c | 316 | { "", "", "fldi1 <FREG_N>", "1111nnnn10011101", |
87acb4a7 | 317 | "SET_FR (n, (float) 1.0);", |
c906108c SS |
318 | "/* FIXME: check for DP and (n & 1) == 0? */", |
319 | }, | |
320 | ||
2bc8946d | 321 | /* sh2e */ |
c906108c | 322 | { "", "", "flds <FREG_N>,FPUL", "1111nnnn00011101", |
104c1213 JM |
323 | " union", |
324 | " {", | |
325 | " int i;", | |
326 | " float f;", | |
327 | " } u;", | |
87acb4a7 | 328 | " u.f = FR (n);", |
104c1213 | 329 | " FPUL = u.i;", |
c906108c SS |
330 | }, |
331 | ||
2bc8946d | 332 | /* sh2e */ |
c906108c | 333 | { "", "", "float FPUL,<FREG_N>", "1111nnnn00101101", |
7a292a7a SS |
334 | /* sh4 */ |
335 | "if (FPSCR_PR)", | |
87acb4a7 | 336 | " SET_DR (n, (double) FPUL);", |
7a292a7a | 337 | "else", |
c906108c | 338 | "{", |
87acb4a7 | 339 | " SET_FR (n, (float) FPUL);", |
c906108c SS |
340 | "}", |
341 | }, | |
342 | ||
2bc8946d | 343 | /* sh2e */ |
c906108c | 344 | { "", "", "fmac <FREG_0>,<FREG_M>,<FREG_N>", "1111nnnnmmmm1110", |
87acb4a7 | 345 | "SET_FR (n, FR (m) * FR (0) + FR (n));", |
c906108c SS |
346 | "/* FIXME: check for DP and (n & 1) == 0? */", |
347 | }, | |
348 | ||
2bc8946d | 349 | /* sh2e */ |
c906108c | 350 | { "", "", "fmov <FREG_M>,<FREG_N>", "1111nnnnmmmm1100", |
7a292a7a SS |
351 | /* sh4 */ |
352 | "if (FPSCR_SZ) {", | |
353 | " int ni = XD_TO_XF (n);", | |
354 | " int mi = XD_TO_XF (m);", | |
355 | " SET_XF (ni + 0, XF (mi + 0));", | |
356 | " SET_XF (ni + 1, XF (mi + 1));", | |
357 | "}", | |
358 | "else", | |
c906108c SS |
359 | "{", |
360 | " SET_FR (n, FR (m));", | |
361 | "}", | |
362 | }, | |
2bc8946d | 363 | /* sh2e */ |
b939d772 | 364 | { "", "n", "fmov.s <FREG_M>,@<REG_N>", "1111nnnnmmmm1010", |
7a292a7a SS |
365 | /* sh4 */ |
366 | "if (FPSCR_SZ) {", | |
367 | " MA (2);", | |
368 | " WDAT (R[n], m);", | |
369 | "}", | |
370 | "else", | |
c906108c SS |
371 | "{", |
372 | " MA (1);", | |
87acb4a7 | 373 | " WLAT (R[n], FI (m));", |
c906108c SS |
374 | "}", |
375 | }, | |
2bc8946d | 376 | /* sh2e */ |
b939d772 | 377 | { "", "m", "fmov.s @<REG_M>,<FREG_N>", "1111nnnnmmmm1000", |
7a292a7a SS |
378 | /* sh4 */ |
379 | "if (FPSCR_SZ) {", | |
380 | " MA (2);", | |
381 | " RDAT (R[m], n);", | |
382 | "}", | |
383 | "else", | |
c906108c SS |
384 | "{", |
385 | " MA (1);", | |
87acb4a7 | 386 | " SET_FI (n, RLAT (R[m]));", |
c906108c SS |
387 | "}", |
388 | }, | |
2bc8946d | 389 | /* sh2e */ |
e343a93a | 390 | { "m", "m", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001", |
7a292a7a SS |
391 | /* sh4 */ |
392 | "if (FPSCR_SZ) {", | |
393 | " MA (2);", | |
394 | " RDAT (R[m], n);", | |
395 | " R[m] += 8;", | |
396 | "}", | |
397 | "else", | |
c906108c SS |
398 | "{", |
399 | " MA (1);", | |
400 | " SET_FI (n, RLAT (R[m]));", | |
401 | " R[m] += 4;", | |
402 | "}", | |
403 | }, | |
2bc8946d | 404 | /* sh2e */ |
b939d772 | 405 | { "n", "n", "fmov.s <FREG_M>,@-<REG_N>", "1111nnnnmmmm1011", |
7a292a7a SS |
406 | /* sh4 */ |
407 | "if (FPSCR_SZ) {", | |
408 | " MA (2);", | |
409 | " R[n] -= 8;", | |
410 | " WDAT (R[n], m);", | |
411 | "}", | |
412 | "else", | |
c906108c SS |
413 | "{", |
414 | " MA (1);", | |
415 | " R[n] -= 4;", | |
87acb4a7 | 416 | " WLAT (R[n], FI (m));", |
c906108c SS |
417 | "}", |
418 | }, | |
2bc8946d | 419 | /* sh2e */ |
b939d772 | 420 | { "", "0m", "fmov.s @(R0,<REG_M>),<FREG_N>", "1111nnnnmmmm0110", |
7a292a7a SS |
421 | /* sh4 */ |
422 | "if (FPSCR_SZ) {", | |
423 | " MA (2);", | |
424 | " RDAT (R[0]+R[m], n);", | |
425 | "}", | |
426 | "else", | |
c906108c SS |
427 | "{", |
428 | " MA (1);", | |
87acb4a7 | 429 | " SET_FI (n, RLAT (R[0] + R[m]));", |
c906108c SS |
430 | "}", |
431 | }, | |
2bc8946d | 432 | /* sh2e */ |
b939d772 | 433 | { "", "0n", "fmov.s <FREG_M>,@(R0,<REG_N>)", "1111nnnnmmmm0111", |
7a292a7a SS |
434 | /* sh4 */ |
435 | "if (FPSCR_SZ) {", | |
436 | " MA (2);", | |
437 | " WDAT (R[0]+R[n], m);", | |
438 | "}", | |
439 | "else", | |
c906108c SS |
440 | "{", |
441 | " MA (1);", | |
87acb4a7 | 442 | " WLAT ((R[0]+R[n]), FI (m));", |
c906108c SS |
443 | "}", |
444 | }, | |
445 | ||
7a292a7a SS |
446 | /* sh4: See fmov instructions above for move to/from extended fp registers */ |
447 | ||
2bc8946d | 448 | /* sh2e */ |
c906108c | 449 | { "", "", "fmul <FREG_M>,<FREG_N>", "1111nnnnmmmm0010", |
87acb4a7 | 450 | "FP_OP (n, *, m);", |
c906108c SS |
451 | }, |
452 | ||
2bc8946d | 453 | /* sh2e */ |
c906108c | 454 | { "", "", "fneg <FREG_N>", "1111nnnn01001101", |
87acb4a7 | 455 | "FP_UNARY (n, -);", |
c906108c SS |
456 | }, |
457 | ||
86bc60eb MS |
458 | /* sh4a */ |
459 | { "", "", "fpchg", "1111011111111101", | |
87acb4a7 | 460 | "SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_PR);", |
86bc60eb MS |
461 | }, |
462 | ||
7a292a7a SS |
463 | /* sh4 */ |
464 | { "", "", "frchg", "1111101111111101", | |
e343a93a MS |
465 | "if (FPSCR_PR)", |
466 | " RAISE_EXCEPTION (SIGILL);", | |
467 | "else", | |
87acb4a7 | 468 | " SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_FR);", |
7a292a7a SS |
469 | }, |
470 | ||
794cd17b | 471 | /* sh4 */ |
673fc5d0 | 472 | { "", "", "fsca", "1111eeee11111101", |
794cd17b JR |
473 | "if (FPSCR_PR)", |
474 | " RAISE_EXCEPTION (SIGILL);", | |
475 | "else", | |
476 | " {", | |
477 | " SET_FR (n, fsca_s (FPUL, &sin));", | |
478 | " SET_FR (n+1, fsca_s (FPUL, &cos));", | |
479 | " }", | |
480 | }, | |
481 | ||
7a292a7a SS |
482 | /* sh4 */ |
483 | { "", "", "fschg", "1111001111111101", | |
87acb4a7 | 484 | "SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_SZ);", |
7a292a7a SS |
485 | }, |
486 | ||
c906108c SS |
487 | /* sh3e */ |
488 | { "", "", "fsqrt <FREG_N>", "1111nnnn01101101", | |
87acb4a7 | 489 | "FP_UNARY (n, sqrt);", |
c906108c SS |
490 | }, |
491 | ||
794cd17b JR |
492 | /* sh4 */ |
493 | { "", "", "fsrra", "1111nnnn01111101", | |
494 | "if (FPSCR_PR)", | |
495 | " RAISE_EXCEPTION (SIGILL);", | |
496 | "else", | |
497 | " SET_FR (n, fsrra_s (FR (n)));", | |
498 | }, | |
499 | ||
2bc8946d | 500 | /* sh2e */ |
c906108c | 501 | { "", "", "fsub <FREG_M>,<FREG_N>", "1111nnnnmmmm0001", |
87acb4a7 | 502 | "FP_OP (n, -, m);", |
c906108c SS |
503 | }, |
504 | ||
2bc8946d | 505 | /* sh2e */ |
c906108c | 506 | { "", "", "ftrc <FREG_N>, FPUL", "1111nnnn00111101", |
7a292a7a SS |
507 | /* sh4 */ |
508 | "if (FPSCR_PR) {", | |
87acb4a7 | 509 | " if (DR (n) != DR (n)) /* NaN */", |
7a292a7a SS |
510 | " FPUL = 0x80000000;", |
511 | " else", | |
87acb4a7 | 512 | " FPUL = (int) DR (n);", |
7a292a7a SS |
513 | "}", |
514 | "else", | |
87acb4a7 | 515 | "if (FR (n) != FR (n)) /* NaN */", |
c906108c SS |
516 | " FPUL = 0x80000000;", |
517 | "else", | |
87acb4a7 | 518 | " FPUL = (int) FR (n);", |
c906108c SS |
519 | }, |
520 | ||
86bc60eb MS |
521 | /* sh4 */ |
522 | { "", "", "ftrv <FV_N>", "1111vv0111111101", | |
523 | "if (FPSCR_PR)", | |
524 | " RAISE_EXCEPTION (SIGILL);", | |
525 | "else", | |
526 | "{", | |
527 | " /* FIXME not implemented. */", | |
528 | " printf (\"ftrv xmtrx, FV%d\\n\", v1);", | |
529 | "}", | |
530 | }, | |
531 | ||
2bc8946d | 532 | /* sh2e */ |
c906108c | 533 | { "", "", "fsts FPUL,<FREG_N>", "1111nnnn00001101", |
104c1213 JM |
534 | " union", |
535 | " {", | |
536 | " int i;", | |
537 | " float f;", | |
538 | " } u;", | |
539 | " u.i = FPUL;", | |
540 | " SET_FR (n, u.f);", | |
c906108c SS |
541 | }, |
542 | ||
543 | { "", "n", "jmp @<REG_N>", "0100nnnn00101011", | |
63978407 JR |
544 | "SET_NIP (PT2H (R[n]));", |
545 | "cycles += 2;", | |
c906108c SS |
546 | "Delay_Slot (PC + 2);", |
547 | }, | |
548 | ||
549 | { "", "n", "jsr @<REG_N>", "0100nnnn00001011", | |
63978407 | 550 | "PR = PH2T (PC + 4);", |
c906108c | 551 | "if (~doprofile)", |
63978407 JR |
552 | " gotcall (PR, R[n]);", |
553 | "SET_NIP (PT2H (R[n]));", | |
554 | "cycles += 2;", | |
c906108c SS |
555 | "Delay_Slot (PC + 2);", |
556 | }, | |
557 | ||
63978407 JR |
558 | { "", "n", "ldc <REG_N>,<CREG_M>", "0100nnnnmmmm1110", |
559 | "CREG (m) = R[n];", | |
c906108c SS |
560 | "/* FIXME: user mode */", |
561 | }, | |
562 | { "", "n", "ldc <REG_N>,SR", "0100nnnn00001110", | |
563 | "SET_SR (R[n]);", | |
564 | "/* FIXME: user mode */", | |
565 | }, | |
63978407 JR |
566 | { "", "n", "ldc <REG_N>,MOD", "0100nnnn01011110", |
567 | "SET_MOD (R[n]);", | |
c906108c | 568 | }, |
7a292a7a | 569 | { "", "n", "ldc <REG_N>,DBR", "0100nnnn11111010", |
86bc60eb MS |
570 | "if (SR_MD)", |
571 | " DBR = R[n]; /* priv mode */", | |
572 | "else", | |
573 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
574 | }, | |
575 | { "", "n", "ldc <REG_N>,SGR", "0100nnnn00111010", | |
576 | "if (SR_MD)", | |
577 | " SGR = R[n]; /* priv mode */", | |
578 | "else", | |
579 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 580 | }, |
b939d772 | 581 | { "n", "n", "ldc.l @<REG_N>+,<CREG_M>", "0100nnnnmmmm0111", |
c906108c | 582 | "MA (1);", |
63978407 | 583 | "CREG (m) = RLAT (R[n]);", |
c906108c SS |
584 | "R[n] += 4;", |
585 | "/* FIXME: user mode */", | |
586 | }, | |
b939d772 | 587 | { "n", "n", "ldc.l @<REG_N>+,SR", "0100nnnn00000111", |
c906108c SS |
588 | "MA (1);", |
589 | "SET_SR (RLAT (R[n]));", | |
590 | "R[n] += 4;", | |
591 | "/* FIXME: user mode */", | |
592 | }, | |
b939d772 | 593 | { "n", "n", "ldc.l @<REG_N>+,MOD", "0100nnnn01010111", |
c906108c | 594 | "MA (1);", |
63978407 | 595 | "SET_MOD (RLAT (R[n]));", |
c906108c | 596 | "R[n] += 4;", |
c906108c | 597 | }, |
b939d772 | 598 | { "n", "n", "ldc.l @<REG_N>+,DBR", "0100nnnn11110110", |
86bc60eb MS |
599 | "if (SR_MD)", |
600 | "{ /* priv mode */", | |
601 | " MA (1);", | |
602 | " DBR = RLAT (R[n]);", | |
603 | " R[n] += 4;", | |
604 | "}", | |
605 | "else", | |
606 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
607 | }, | |
608 | { "n", "n", "ldc.l @<REG_N>+,SGR", "0100nnnn00110110", | |
609 | "if (SR_MD)", | |
610 | "{ /* priv mode */", | |
611 | " MA (1);", | |
612 | " SGR = RLAT (R[n]);", | |
613 | " R[n] += 4;", | |
614 | "}", | |
615 | "else", | |
616 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 617 | }, |
63978407 JR |
618 | |
619 | /* sh-dsp */ | |
620 | { "", "", "ldre @(<disp>,PC)", "10001110i8p1....", | |
621 | "RE = SEXT (i) * 2 + 4 + PH2T (PC);", | |
c906108c | 622 | }, |
63978407 JR |
623 | { "", "", "ldrs @(<disp>,PC)", "10001100i8p1....", |
624 | "RS = SEXT (i) * 2 + 4 + PH2T (PC);", | |
c906108c SS |
625 | }, |
626 | ||
86bc60eb MS |
627 | /* sh4a */ |
628 | { "", "n", "ldrc <REG_N>", "0100nnnn00110100", | |
629 | "SET_RC (R[n]);", | |
630 | "loop = get_loop_bounds_ext (RS, RE, memory, mem_end, maskw, endianw);", | |
631 | "CHECK_INSN_PTR (insn_ptr);", | |
632 | "RE |= 1;", | |
633 | }, | |
634 | { "", "", "ldrc #<imm>", "10001010i8*1....", | |
635 | "SET_RC (i);", | |
636 | "loop = get_loop_bounds_ext (RS, RE, memory, mem_end, maskw, endianw);", | |
637 | "CHECK_INSN_PTR (insn_ptr);", | |
638 | "RE |= 1;", | |
639 | }, | |
640 | ||
63978407 JR |
641 | { "", "n", "lds <REG_N>,<SREG_M>", "0100nnnnssss1010", |
642 | "SREG (m) = R[n];", | |
c906108c | 643 | }, |
b939d772 | 644 | { "n", "n", "lds.l @<REG_N>+,<SREG_M>", "0100nnnnssss0110", |
c906108c | 645 | "MA (1);", |
87acb4a7 | 646 | "SREG (m) = RLAT (R[n]);", |
c906108c SS |
647 | "R[n] += 4;", |
648 | }, | |
2bc8946d | 649 | /* sh2e / sh-dsp (lds <REG_N>,DSR) */ |
63978407 | 650 | { "", "n", "lds <REG_N>,FPSCR", "0100nnnn01101010", |
87acb4a7 | 651 | "SET_FPSCR (R[n]);", |
c906108c | 652 | }, |
2bc8946d | 653 | /* sh2e / sh-dsp (lds.l @<REG_N>+,DSR) */ |
b939d772 | 654 | { "n", "n", "lds.l @<REG_N>+,FPSCR", "0100nnnn01100110", |
c906108c | 655 | "MA (1);", |
87acb4a7 | 656 | "SET_FPSCR (RLAT (R[n]));", |
c906108c SS |
657 | "R[n] += 4;", |
658 | }, | |
659 | ||
c906108c | 660 | { "", "", "ldtlb", "0000000000111000", |
e343a93a | 661 | "/* We don't implement cache or tlb, so this is a noop. */", |
c906108c SS |
662 | }, |
663 | ||
b939d772 | 664 | { "nm", "nm", "mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111", |
87acb4a7 | 665 | "macl (&R0,memory,n,m);", |
c906108c SS |
666 | }, |
667 | ||
b939d772 | 668 | { "nm", "nm", "mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111", |
87acb4a7 | 669 | "macw (&R0,memory,n,m,endianw);", |
c906108c SS |
670 | }, |
671 | ||
672 | { "n", "", "mov #<imm>,<REG_N>", "1110nnnni8*1....", | |
87acb4a7 | 673 | "R[n] = SEXT (i);", |
c906108c SS |
674 | }, |
675 | { "n", "m", "mov <REG_M>,<REG_N>", "0110nnnnmmmm0011", | |
676 | "R[n] = R[m];", | |
677 | }, | |
678 | ||
679 | { "0", "", "mov.b @(<disp>,GBR),R0", "11000100i8*1....", | |
680 | "MA (1);", | |
681 | "R0 = RSBAT (i + GBR);", | |
682 | "L (0);", | |
683 | }, | |
684 | { "0", "m", "mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1", | |
685 | "MA (1);", | |
686 | "R0 = RSBAT (i + R[m]);", | |
687 | "L (0);", | |
688 | }, | |
689 | { "n", "0m", "mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100", | |
690 | "MA (1);", | |
691 | "R[n] = RSBAT (R0 + R[m]);", | |
692 | "L (n);", | |
693 | }, | |
b939d772 | 694 | { "nm", "m", "mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100", |
c906108c SS |
695 | "MA (1);", |
696 | "R[n] = RSBAT (R[m]);", | |
697 | "R[m] += 1;", | |
698 | "L (n);", | |
699 | }, | |
700 | { "", "mn", "mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000", | |
701 | "MA (1);", | |
702 | "WBAT (R[n], R[m]);", | |
703 | }, | |
704 | { "", "0", "mov.b R0,@(<disp>,GBR)", "11000000i8*1....", | |
705 | "MA (1);", | |
706 | "WBAT (i + GBR, R0);", | |
707 | }, | |
708 | { "", "m0", "mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1", | |
709 | "MA (1);", | |
710 | "WBAT (i + R[m], R0);", | |
711 | }, | |
712 | { "", "mn0", "mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100", | |
713 | "MA (1);", | |
714 | "WBAT (R[n] + R0, R[m]);", | |
715 | }, | |
b939d772 | 716 | { "n", "nm", "mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", |
c906108c SS |
717 | "MA (1);", |
718 | "R[n] -= 1;", | |
719 | "WBAT (R[n], R[m]);", | |
720 | }, | |
721 | { "n", "m", "mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000", | |
722 | "MA (1);", | |
723 | "R[n] = RSBAT (R[m]);", | |
724 | "L (n);", | |
725 | }, | |
726 | ||
727 | { "0", "", "mov.l @(<disp>,GBR),R0", "11000110i8*4....", | |
728 | "MA (1);", | |
729 | "R0 = RLAT (i + GBR);", | |
730 | "L (0);", | |
731 | }, | |
732 | { "n", "", "mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....", | |
733 | "MA (1);", | |
63978407 | 734 | "R[n] = RLAT ((PH2T (PC) & ~3) + 4 + i);", |
c906108c SS |
735 | "L (n);", |
736 | }, | |
737 | { "n", "m", "mov.l @(<disp>,<REG_M>),<REG_N>", "0101nnnnmmmmi4*4", | |
738 | "MA (1);", | |
739 | "R[n] = RLAT (i + R[m]);", | |
740 | "L (n);", | |
741 | }, | |
742 | { "n", "m0", "mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110", | |
743 | "MA (1);", | |
744 | "R[n] = RLAT (R0 + R[m]);", | |
745 | "L (n);", | |
746 | }, | |
747 | { "nm", "m", "mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110", | |
748 | "MA (1);", | |
749 | "R[n] = RLAT (R[m]);", | |
750 | "R[m] += 4;", | |
751 | "L (n);", | |
752 | }, | |
753 | { "n", "m", "mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010", | |
754 | "MA (1);", | |
755 | "R[n] = RLAT (R[m]);", | |
756 | "L (n);", | |
757 | }, | |
758 | { "", "0", "mov.l R0,@(<disp>,GBR)", "11000010i8*4....", | |
759 | "MA (1);", | |
760 | "WLAT (i + GBR, R0);", | |
761 | }, | |
762 | { "", "nm", "mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4", | |
763 | "MA (1);", | |
764 | "WLAT (i + R[n], R[m]);", | |
765 | }, | |
766 | { "", "nm0", "mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110", | |
767 | "MA (1);", | |
768 | "WLAT (R0 + R[n], R[m]);", | |
769 | }, | |
b939d772 | 770 | { "n", "nm", "mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", |
c906108c SS |
771 | "MA (1) ;", |
772 | "R[n] -= 4;", | |
773 | "WLAT (R[n], R[m]);", | |
774 | }, | |
775 | { "", "nm", "mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010", | |
776 | "MA (1);", | |
777 | "WLAT (R[n], R[m]);", | |
778 | }, | |
779 | ||
780 | { "0", "", "mov.w @(<disp>,GBR),R0", "11000101i8*2....", | |
8dc30ef7 MS |
781 | "MA (1);", |
782 | "R0 = RSWAT (i + GBR);", | |
c906108c SS |
783 | "L (0);", |
784 | }, | |
785 | { "n", "", "mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....", | |
786 | "MA (1);", | |
63978407 | 787 | "R[n] = RSWAT (PH2T (PC + 4 + i));", |
c906108c SS |
788 | "L (n);", |
789 | }, | |
790 | { "0", "m", "mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2", | |
791 | "MA (1);", | |
792 | "R0 = RSWAT (i + R[m]);", | |
793 | "L (0);", | |
794 | }, | |
795 | { "n", "m0", "mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101", | |
796 | "MA (1);", | |
797 | "R[n] = RSWAT (R0 + R[m]);", | |
798 | "L (n);", | |
799 | }, | |
800 | { "nm", "n", "mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101", | |
801 | "MA (1);", | |
802 | "R[n] = RSWAT (R[m]);", | |
803 | "R[m] += 2;", | |
804 | "L (n);", | |
805 | }, | |
806 | { "n", "m", "mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001", | |
807 | "MA (1);", | |
808 | "R[n] = RSWAT (R[m]);", | |
809 | "L (n);", | |
810 | }, | |
811 | { "", "0", "mov.w R0,@(<disp>,GBR)", "11000001i8*2....", | |
812 | "MA (1);", | |
813 | "WWAT (i + GBR, R0);", | |
814 | }, | |
815 | { "", "0m", "mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2", | |
816 | "MA (1);", | |
817 | "WWAT (i + R[m], R0);", | |
818 | }, | |
819 | { "", "m0n", "mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101", | |
820 | "MA (1);", | |
821 | "WWAT (R0 + R[n], R[m]);", | |
822 | }, | |
823 | { "n", "mn", "mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", | |
824 | "MA (1);", | |
825 | "R[n] -= 2;", | |
826 | "WWAT (R[n], R[m]);", | |
827 | }, | |
828 | { "", "nm", "mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001", | |
829 | "MA (1);", | |
830 | "WWAT (R[n], R[m]);", | |
831 | }, | |
832 | ||
833 | { "0", "", "mova @(<disp>,PC),R0", "11000111i8p4....", | |
63978407 | 834 | "R0 = ((i + 4 + PH2T (PC)) & ~0x3);", |
c906108c SS |
835 | }, |
836 | ||
d2f18ae4 MS |
837 | { "", "n0", "movca.l R0, @<REG_N>", "0000nnnn11000011", |
838 | "/* We don't simulate cache, so this insn is identical to mov. */", | |
839 | "MA (1);", | |
840 | "WLAT (R[n], R[0]);", | |
7a292a7a SS |
841 | }, |
842 | ||
86bc60eb MS |
843 | { "n", "0", "movco.l R0, @<REG_N>", "0000nnnn01110011", |
844 | "/* LDST -> T */", | |
845 | "SET_SR_T (LDST);", | |
846 | "/* if (T) R0 -> (Rn) */", | |
847 | "if (T)", | |
848 | " WLAT (R[n], R[0]);", | |
849 | "/* 0 -> LDST */", | |
850 | "SET_LDST (0);", | |
851 | }, | |
852 | ||
853 | { "0", "n", "movli.l @<REG_N>, R0", "0000nnnn01100011", | |
854 | "/* 1 -> LDST */", | |
855 | "SET_LDST (1);", | |
856 | "/* (Rn) -> R0 */", | |
857 | "R[0] = RLAT (R[n]);", | |
858 | "/* if (interrupt/exception) 0 -> LDST */", | |
859 | "/* (we don't simulate asynchronous interrupts/exceptions) */", | |
860 | }, | |
861 | ||
c906108c SS |
862 | { "n", "", "movt <REG_N>", "0000nnnn00101001", |
863 | "R[n] = T;", | |
864 | }, | |
865 | ||
86bc60eb MS |
866 | { "0", "n", "movua.l @<REG_N>,R0", "0100nnnn10101001", |
867 | "int regn = R[n];", | |
868 | "MA (1);", | |
869 | "R[0] = (RBAT (regn) << 24) + (RBAT (regn + 1) << 16) + ", | |
870 | " (RBAT (regn + 2) << 8) + RBAT (regn + 3);", | |
871 | "L (n);", | |
872 | }, | |
873 | { "0n", "n", "movua.l @<REG_N>+,R0", "0100nnnn11101001", | |
874 | "int regn = R[n];", | |
875 | "MA (1);", | |
876 | "R[0] = (RBAT (regn) << 24) + (RBAT (regn + 1) << 16) + ", | |
877 | " (RBAT (regn + 2) << 8) + RBAT (regn + 3);", | |
878 | "R[n] += 4;", | |
879 | "L (n);", | |
880 | }, | |
c906108c | 881 | { "", "mn", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", |
86bc60eb | 882 | "MACL = ((int) R[n]) * ((int) R[m]);", |
c906108c | 883 | }, |
86bc60eb MS |
884 | #if 0 /* FIXME: The above cast to int is not really portable. |
885 | It should be replaced by a SEXT32 macro. */ | |
c906108c SS |
886 | { "", "nm", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", |
887 | "MACL = R[n] * R[m];", | |
888 | }, | |
889 | #endif | |
890 | ||
891 | /* muls.w - see muls */ | |
892 | { "", "mn", "muls <REG_M>,<REG_N>", "0010nnnnmmmm1111", | |
87acb4a7 | 893 | "MACL = ((int) (short) R[n]) * ((int) (short) R[m]);", |
c906108c SS |
894 | }, |
895 | ||
896 | /* mulu.w - see mulu */ | |
897 | { "", "mn", "mulu <REG_M>,<REG_N>", "0010nnnnmmmm1110", | |
87acb4a7 MS |
898 | "MACL = (((unsigned int) (unsigned short) R[n])", |
899 | " * ((unsigned int) (unsigned short) R[m]));", | |
c906108c SS |
900 | }, |
901 | ||
902 | { "n", "m", "neg <REG_M>,<REG_N>", "0110nnnnmmmm1011", | |
903 | "R[n] = - R[m];", | |
904 | }, | |
905 | ||
906 | { "n", "m", "negc <REG_M>,<REG_N>", "0110nnnnmmmm1010", | |
907 | "ult = -T;", | |
908 | "SET_SR_T (ult > 0);", | |
909 | "R[n] = ult - R[m];", | |
910 | "SET_SR_T (T || (R[n] > ult));", | |
911 | }, | |
912 | ||
913 | { "", "", "nop", "0000000000001001", | |
914 | "/* nop */", | |
915 | }, | |
916 | ||
917 | { "n", "m", "not <REG_M>,<REG_N>", "0110nnnnmmmm0111", | |
918 | "R[n] = ~R[m];", | |
919 | }, | |
920 | ||
86bc60eb MS |
921 | /* sh4a */ |
922 | { "", "n", "icbi @<REG_N>", "0000nnnn11100011", | |
923 | "/* Except for the effect on the cache - which is not simulated -", | |
924 | " this is like a nop. */", | |
925 | }, | |
926 | ||
b939d772 | 927 | { "", "n", "ocbi @<REG_N>", "0000nnnn10010011", |
e343a93a | 928 | "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */", |
b939d772 | 929 | "/* FIXME: Cache not implemented */", |
7a292a7a SS |
930 | }, |
931 | ||
b939d772 | 932 | { "", "n", "ocbp @<REG_N>", "0000nnnn10100011", |
e343a93a | 933 | "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */", |
b939d772 | 934 | "/* FIXME: Cache not implemented */", |
7a292a7a SS |
935 | }, |
936 | ||
937 | { "", "n", "ocbwb @<REG_N>", "0000nnnn10110011", | |
e343a93a | 938 | "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */", |
7a292a7a SS |
939 | "/* FIXME: Cache not implemented */", |
940 | }, | |
941 | ||
c906108c SS |
942 | { "0", "", "or #<imm>,R0", "11001011i8*1....", |
943 | "R0 |= i;", | |
944 | }, | |
945 | { "n", "m", "or <REG_M>,<REG_N>", "0010nnnnmmmm1011", | |
946 | "R[n] |= R[m];", | |
947 | }, | |
948 | { "", "0", "or.b #<imm>,@(R0,GBR)", "11001111i8*1....", | |
949 | "MA (1);", | |
950 | "WBAT (R0 + GBR, (RBAT (R0 + GBR) | i));", | |
951 | }, | |
952 | ||
953 | { "", "n", "pref @<REG_N>", "0000nnnn10000011", | |
954 | "/* Except for the effect on the cache - which is not simulated -", | |
955 | " this is like a nop. */", | |
956 | }, | |
957 | ||
86bc60eb MS |
958 | /* sh4a */ |
959 | { "", "n", "prefi @<REG_N>", "0000nnnn11010011", | |
960 | "/* Except for the effect on the cache - which is not simulated -", | |
961 | " this is like a nop. */", | |
962 | }, | |
963 | ||
964 | /* sh4a */ | |
965 | { "", "", "synco", "0000000010101011", | |
966 | "/* Except for the effect on the pipeline - which is not simulated -", | |
967 | " this is like a nop. */", | |
968 | }, | |
969 | ||
c906108c SS |
970 | { "n", "n", "rotcl <REG_N>", "0100nnnn00100100", |
971 | "ult = R[n] < 0;", | |
972 | "R[n] = (R[n] << 1) | T;", | |
973 | "SET_SR_T (ult);", | |
974 | }, | |
975 | ||
976 | { "n", "n", "rotcr <REG_N>", "0100nnnn00100101", | |
977 | "ult = R[n] & 1;", | |
978 | "R[n] = (UR[n] >> 1) | (T << 31);", | |
979 | "SET_SR_T (ult);", | |
980 | }, | |
981 | ||
982 | { "n", "n", "rotl <REG_N>", "0100nnnn00000100", | |
983 | "SET_SR_T (R[n] < 0);", | |
984 | "R[n] <<= 1;", | |
985 | "R[n] |= T;", | |
986 | }, | |
987 | ||
988 | { "n", "n", "rotr <REG_N>", "0100nnnn00000101", | |
989 | "SET_SR_T (R[n] & 1);", | |
990 | "R[n] = UR[n] >> 1;", | |
991 | "R[n] |= (T << 31);", | |
992 | }, | |
993 | ||
994 | { "", "", "rte", "0000000000101011", | |
995 | #if 0 | |
996 | /* SH-[12] */ | |
997 | "int tmp = PC;", | |
63978407 | 998 | "SET_NIP (PT2H (RLAT (R[15]) + 2));", |
c906108c SS |
999 | "R[15] += 4;", |
1000 | "SET_SR (RLAT (R[15]) & 0x3f3);", | |
1001 | "R[15] += 4;", | |
1002 | "Delay_Slot (PC + 2);", | |
1003 | #else | |
c906108c | 1004 | "SET_SR (SSR);", |
63978407 JR |
1005 | "SET_NIP (PT2H (SPC));", |
1006 | "cycles += 2;", | |
c906108c SS |
1007 | "Delay_Slot (PC + 2);", |
1008 | #endif | |
1009 | }, | |
1010 | ||
1011 | { "", "", "rts", "0000000000001011", | |
63978407 JR |
1012 | "SET_NIP (PT2H (PR));", |
1013 | "cycles += 2;", | |
c906108c SS |
1014 | "Delay_Slot (PC + 2);", |
1015 | }, | |
1016 | ||
86bc60eb MS |
1017 | /* sh4a */ |
1018 | { "", "", "setdmx", "0000000010011000", | |
1019 | "saved_state.asregs.cregs.named.sr |= SR_MASK_DMX;" | |
1020 | "saved_state.asregs.cregs.named.sr &= ~SR_MASK_DMY;" | |
1021 | }, | |
1022 | ||
1023 | /* sh4a */ | |
1024 | { "", "", "setdmy", "0000000011001000", | |
1025 | "saved_state.asregs.cregs.named.sr |= SR_MASK_DMY;" | |
1026 | "saved_state.asregs.cregs.named.sr &= ~SR_MASK_DMX;" | |
1027 | }, | |
1028 | ||
63978407 JR |
1029 | /* sh-dsp */ |
1030 | { "", "n", "setrc <REG_N>", "0100nnnn00010100", | |
1031 | "SET_RC (R[n]);", | |
1032 | }, | |
b939d772 | 1033 | { "", "", "setrc #<imm>", "10000010i8*1....", |
63978407 JR |
1034 | /* It would be more realistic to let loop_start point to some static |
1035 | memory that contains an illegal opcode and then give a bus error when | |
1036 | the loop is eventually encountered, but it seems not only simpler, | |
1037 | but also more debugging-friendly to just catch the failure here. */ | |
1038 | "if (BUSERROR (RS | RE, maskw))", | |
1039 | " RAISE_EXCEPTION (SIGILL);", | |
1040 | "else {", | |
1041 | " SET_RC (i);", | |
1042 | " loop = get_loop_bounds (RS, RE, memory, mem_end, maskw, endianw);", | |
1043 | " CHECK_INSN_PTR (insn_ptr);", | |
1044 | "}", | |
1045 | }, | |
1046 | ||
c906108c SS |
1047 | { "", "", "sets", "0000000001011000", |
1048 | "SET_SR_S (1);", | |
1049 | }, | |
1050 | ||
1051 | { "", "", "sett", "0000000000011000", | |
1052 | "SET_SR_T (1);", | |
1053 | }, | |
1054 | ||
1055 | { "n", "mn", "shad <REG_M>,<REG_N>", "0100nnnnmmmm1100", | |
1056 | "R[n] = (R[m] < 0) ? (R[n] >> ((-R[m])&0x1f)) : (R[n] << (R[m] & 0x1f));", | |
1057 | }, | |
1058 | ||
1059 | { "n", "n", "shal <REG_N>", "0100nnnn00100000", | |
1060 | "SET_SR_T (R[n] < 0);", | |
1061 | "R[n] <<= 1;", | |
1062 | }, | |
1063 | ||
1064 | { "n", "n", "shar <REG_N>", "0100nnnn00100001", | |
1065 | "SET_SR_T (R[n] & 1);", | |
1066 | "R[n] = R[n] >> 1;", | |
1067 | }, | |
1068 | ||
1069 | { "n", "mn", "shld <REG_M>,<REG_N>", "0100nnnnmmmm1101", | |
1070 | "R[n] = (R[m] < 0) ? (UR[n] >> ((-R[m])&0x1f)): (R[n] << (R[m] & 0x1f));", | |
1071 | }, | |
1072 | ||
1073 | { "n", "n", "shll <REG_N>", "0100nnnn00000000", | |
1074 | "SET_SR_T (R[n] < 0);", | |
1075 | "R[n] <<= 1;", | |
1076 | }, | |
1077 | ||
1078 | { "n", "n", "shll2 <REG_N>", "0100nnnn00001000", | |
1079 | "R[n] <<= 2;", | |
1080 | }, | |
1081 | { "n", "n", "shll8 <REG_N>", "0100nnnn00011000", | |
1082 | "R[n] <<= 8;", | |
1083 | }, | |
1084 | { "n", "n", "shll16 <REG_N>", "0100nnnn00101000", | |
1085 | "R[n] <<= 16;", | |
1086 | }, | |
1087 | ||
1088 | { "n", "n", "shlr <REG_N>", "0100nnnn00000001", | |
1089 | "SET_SR_T (R[n] & 1);", | |
1090 | "R[n] = UR[n] >> 1;", | |
1091 | }, | |
1092 | ||
1093 | { "n", "n", "shlr2 <REG_N>", "0100nnnn00001001", | |
1094 | "R[n] = UR[n] >> 2;", | |
1095 | }, | |
1096 | { "n", "n", "shlr8 <REG_N>", "0100nnnn00011001", | |
1097 | "R[n] = UR[n] >> 8;", | |
1098 | }, | |
1099 | { "n", "n", "shlr16 <REG_N>", "0100nnnn00101001", | |
1100 | "R[n] = UR[n] >> 16;", | |
1101 | }, | |
1102 | ||
1103 | { "", "", "sleep", "0000000000011011", | |
fd8f4948 | 1104 | "nip += trap (0xc3, R0, PC, memory, maskl, maskw, endianw);", |
c906108c SS |
1105 | }, |
1106 | ||
63978407 JR |
1107 | { "n", "", "stc <CREG_M>,<REG_N>", "0000nnnnmmmm0010", |
1108 | "R[n] = CREG (m);", | |
c906108c | 1109 | }, |
63978407 | 1110 | |
7a292a7a | 1111 | { "n", "", "stc SGR,<REG_N>", "0000nnnn00111010", |
86bc60eb MS |
1112 | "if (SR_MD)", |
1113 | " R[n] = SGR; /* priv mode */", | |
1114 | "else", | |
1115 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a SS |
1116 | }, |
1117 | { "n", "", "stc DBR,<REG_N>", "0000nnnn11111010", | |
86bc60eb MS |
1118 | "if (SR_MD)", |
1119 | " R[n] = DBR; /* priv mode */", | |
1120 | "else", | |
1121 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 1122 | }, |
63978407 | 1123 | { "n", "n", "stc.l <CREG_M>,@-<REG_N>", "0100nnnnmmmm0011", |
c906108c SS |
1124 | "MA (1);", |
1125 | "R[n] -= 4;", | |
63978407 | 1126 | "WLAT (R[n], CREG (m));", |
c906108c | 1127 | }, |
7a292a7a | 1128 | { "n", "n", "stc.l SGR,@-<REG_N>", "0100nnnn00110010", |
86bc60eb MS |
1129 | "if (SR_MD)", |
1130 | "{ /* priv mode */", | |
1131 | " MA (1);", | |
1132 | " R[n] -= 4;", | |
1133 | " WLAT (R[n], SGR);", | |
1134 | "}", | |
1135 | "else", | |
1136 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a SS |
1137 | }, |
1138 | { "n", "n", "stc.l DBR,@-<REG_N>", "0100nnnn11110010", | |
86bc60eb MS |
1139 | "if (SR_MD)", |
1140 | "{ /* priv mode */", | |
1141 | " MA (1);", | |
1142 | " R[n] -= 4;", | |
1143 | " WLAT (R[n], DBR);", | |
1144 | "}", | |
1145 | "else", | |
1146 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 1147 | }, |
c906108c | 1148 | |
63978407 JR |
1149 | { "n", "", "sts <SREG_M>,<REG_N>", "0000nnnnssss1010", |
1150 | "R[n] = SREG (m);", | |
c906108c | 1151 | }, |
63978407 | 1152 | { "n", "n", "sts.l <SREG_M>,@-<REG_N>", "0100nnnnssss0010", |
c906108c SS |
1153 | "MA (1);", |
1154 | "R[n] -= 4;", | |
63978407 | 1155 | "WLAT (R[n], SREG (m));", |
c906108c SS |
1156 | }, |
1157 | ||
1158 | { "n", "nm", "sub <REG_M>,<REG_N>", "0011nnnnmmmm1000", | |
1159 | "R[n] -= R[m];", | |
1160 | }, | |
1161 | ||
1162 | { "n", "nm", "subc <REG_M>,<REG_N>", "0011nnnnmmmm1010", | |
1163 | "ult = R[n] - T;", | |
1164 | "SET_SR_T (ult > R[n]);", | |
1165 | "R[n] = ult - R[m];", | |
1166 | "SET_SR_T (T || (R[n] > ult));", | |
1167 | }, | |
1168 | ||
1169 | { "n", "nm", "subv <REG_M>,<REG_N>", "0011nnnnmmmm1011", | |
1170 | "ult = R[n] - R[m];", | |
1171 | "SET_SR_T (((R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", | |
1172 | "R[n] = ult;", | |
1173 | }, | |
1174 | ||
1175 | { "n", "nm", "swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000", | |
1176 | "R[n] = ((R[m] & 0xffff0000)", | |
1177 | " | ((R[m] << 8) & 0xff00)", | |
1178 | " | ((R[m] >> 8) & 0x00ff));", | |
1179 | }, | |
1180 | { "n", "nm", "swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001", | |
1181 | "R[n] = (((R[m] << 16) & 0xffff0000)", | |
1182 | " | ((R[m] >> 16) & 0x00ffff));", | |
1183 | }, | |
1184 | ||
1185 | { "", "n", "tas.b @<REG_N>", "0100nnnn00011011", | |
1186 | "MA (1);", | |
87acb4a7 | 1187 | "ult = RBAT (R[n]);", |
c906108c | 1188 | "SET_SR_T (ult == 0);", |
87acb4a7 | 1189 | "WBAT (R[n],ult|0x80);", |
c906108c SS |
1190 | }, |
1191 | ||
1192 | { "0", "", "trapa #<imm>", "11000011i8*1....", | |
c906108c | 1193 | "long imm = 0xff & i;", |
fd8f4948 JR |
1194 | "if (i < 20 || i == 33 || i == 34 || i == 0xc3)", |
1195 | " nip += trap (i, R, PC, memory, maskl, maskw,endianw);", | |
1196 | #if 0 | |
c906108c | 1197 | "else {", |
fd8f4948 | 1198 | /* SH-[12] */ |
87acb4a7 MS |
1199 | " R[15] -= 4;", |
1200 | " WLAT (R[15], GET_SR ());", | |
1201 | " R[15] -= 4;", | |
fd8f4948 | 1202 | " WLAT (R[15], PH2T (PC + 2));", |
c906108c | 1203 | #else |
c906108c | 1204 | "else if (!SR_BL) {", |
87acb4a7 | 1205 | " SSR = GET_SR ();", |
63978407 | 1206 | " SPC = PH2T (PC + 2);", |
87acb4a7 | 1207 | " SET_SR (GET_SR () | SR_MASK_MD | SR_MASK_BL | SR_MASK_RB);", |
c906108c | 1208 | " /* FIXME: EXPEVT = 0x00000160; */", |
c906108c | 1209 | #endif |
fd8f4948 JR |
1210 | " SET_NIP (PT2H (RLAT (VBR + (imm<<2))));", |
1211 | "}", | |
c906108c SS |
1212 | }, |
1213 | ||
1214 | { "", "mn", "tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", | |
1215 | "SET_SR_T ((R[n] & R[m]) == 0);", | |
1216 | }, | |
1217 | { "", "0", "tst #<imm>,R0", "11001000i8*1....", | |
1218 | "SET_SR_T ((R0 & i) == 0);", | |
1219 | }, | |
1220 | { "", "0", "tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", | |
1221 | "MA (1);", | |
1222 | "SET_SR_T ((RBAT (GBR+R0) & i) == 0);", | |
1223 | }, | |
1224 | ||
1225 | { "", "0", "xor #<imm>,R0", "11001010i8*1....", | |
1226 | "R0 ^= i;", | |
1227 | }, | |
1228 | { "n", "mn", "xor <REG_M>,<REG_N>", "0010nnnnmmmm1010", | |
1229 | "R[n] ^= R[m];", | |
1230 | }, | |
1231 | { "", "0", "xor.b #<imm>,@(R0,GBR)", "11001110i8*1....", | |
1232 | "MA (1);", | |
1233 | "ult = RBAT (GBR+R0);", | |
1234 | "ult ^= i;", | |
1235 | "WBAT (GBR + R0, ult);", | |
1236 | }, | |
1237 | ||
1238 | { "n", "nm", "xtrct <REG_M>,<REG_N>", "0010nnnnmmmm1101", | |
1239 | "R[n] = (((R[n] >> 16) & 0xffff)", | |
1240 | " | ((R[m] << 16) & 0xffff0000));", | |
1241 | }, | |
1242 | ||
7a292a7a SS |
1243 | #if 0 |
1244 | { "divs.l <REG_M>,<REG_N>", "0100nnnnmmmm1110", | |
87acb4a7 | 1245 | "divl (0,R[n],R[m]);", |
7a292a7a SS |
1246 | }, |
1247 | { "divu.l <REG_M>,<REG_N>", "0100nnnnmmmm1101", | |
87acb4a7 | 1248 | "divl (0,R[n],R[m]);", |
7a292a7a SS |
1249 | }, |
1250 | #endif | |
1251 | ||
c906108c SS |
1252 | {0, 0}}; |
1253 | ||
63978407 JR |
1254 | op movsxy_tab[] = |
1255 | { | |
1256 | /* If this is disabled, the simulator speeds up by about 12% on a | |
1257 | 450 MHz PIII - 9% with ACE_FAST. | |
1258 | Maybe we should have separate simulator loops? */ | |
1259 | #if 1 | |
1260 | { "n", "n", "movs.w @-<REG_N>,<DSP_REG_M>", "111101NNMMMM0000", | |
1261 | "MA (1);", | |
1262 | "R[n] -= 2;", | |
1263 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1264 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1265 | }, | |
1266 | { "", "n", "movs.w @<REG_N>,<DSP_REG_M>", "111101NNMMMM0100", | |
1267 | "MA (1);", | |
1268 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1269 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1270 | }, | |
1271 | { "n", "n", "movs.w @<REG_N>+,<DSP_REG_M>", "111101NNMMMM1000", | |
1272 | "MA (1);", | |
1273 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1274 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1275 | "R[n] += 2;", | |
1276 | }, | |
1277 | { "n", "n8","movs.w @<REG_N>+REG_8,<DSP_REG_M>", "111101NNMMMM1100", | |
1278 | "MA (1);", | |
1279 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1280 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1281 | "R[n] += R[8];", | |
1282 | }, | |
1283 | { "n", "n", "movs.w @-<REG_N>,<DSP_GRD_M>", "111101NNGGGG0000", | |
1284 | "MA (1);", | |
1285 | "R[n] -= 2;", | |
1286 | "DSP_R (m) = RSWAT (R[n]);", | |
1287 | }, | |
1288 | { "", "n", "movs.w @<REG_N>,<DSP_GRD_M>", "111101NNGGGG0100", | |
1289 | "MA (1);", | |
1290 | "DSP_R (m) = RSWAT (R[n]);", | |
1291 | }, | |
1292 | { "n", "n", "movs.w @<REG_N>+,<DSP_GRD_M>", "111101NNGGGG1000", | |
1293 | "MA (1);", | |
1294 | "DSP_R (m) = RSWAT (R[n]);", | |
1295 | "R[n] += 2;", | |
1296 | }, | |
1297 | { "n", "n8","movs.w @<REG_N>+REG_8,<DSP_GRD_M>", "111101NNGGGG1100", | |
1298 | "MA (1);", | |
1299 | "DSP_R (m) = RSWAT (R[n]);", | |
1300 | "R[n] += R[8];", | |
1301 | }, | |
e53a5a69 | 1302 | { "n", "n", "movs.w <DSP_REG_M>,@-<REG_N>", "111101NNMMMM0001", |
63978407 JR |
1303 | "MA (1);", |
1304 | "R[n] -= 2;", | |
1305 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1306 | }, | |
1307 | { "", "n", "movs.w <DSP_REG_M>,@<REG_N>", "111101NNMMMM0101", | |
1308 | "MA (1);", | |
1309 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1310 | }, | |
1311 | { "n", "n", "movs.w <DSP_REG_M>,@<REG_N>+", "111101NNMMMM1001", | |
1312 | "MA (1);", | |
1313 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1314 | "R[n] += 2;", | |
1315 | }, | |
1316 | { "n", "n8","movs.w <DSP_REG_M>,@<REG_N>+REG_8", "111101NNMMMM1101", | |
1317 | "MA (1);", | |
1318 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1319 | "R[n] += R[8];", | |
1320 | }, | |
1321 | { "n", "n", "movs.w <DSP_GRD_M>,@-<REG_N>", "111101NNGGGG0001", | |
1322 | "MA (1);", | |
1323 | "R[n] -= 2;", | |
1324 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1325 | }, | |
1326 | { "", "n", "movs.w <DSP_GRD_M>,@<REG_N>", "111101NNGGGG0101", | |
1327 | "MA (1);", | |
1328 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1329 | }, | |
1330 | { "n", "n", "movs.w <DSP_GRD_M>,@<REG_N>+", "111101NNGGGG1001", | |
1331 | "MA (1);", | |
1332 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1333 | "R[n] += 2;", | |
1334 | }, | |
1335 | { "n", "n8","movs.w <DSP_GRD_M>,@<REG_N>+REG_8", "111101NNGGGG1101", | |
1336 | "MA (1);", | |
1337 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1338 | "R[n] += R[8];", | |
1339 | }, | |
1340 | { "n", "n", "movs.l @-<REG_N>,<DSP_REG_M>", "111101NNMMMM0010", | |
1341 | "MA (1);", | |
1342 | "R[n] -= 4;", | |
1343 | "DSP_R (m) = RLAT (R[n]);", | |
1344 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1345 | }, | |
1346 | { "", "n", "movs.l @<REG_N>,<DSP_REG_M>", "111101NNMMMM0110", | |
1347 | "MA (1);", | |
1348 | "DSP_R (m) = RLAT (R[n]);", | |
1349 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1350 | }, | |
1351 | { "n", "n", "movs.l @<REG_N>+,<DSP_REG_M>", "111101NNMMMM1010", | |
1352 | "MA (1);", | |
1353 | "DSP_R (m) = RLAT (R[n]);", | |
1354 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1355 | "R[n] += 4;", | |
1356 | }, | |
1357 | { "n", "n8","movs.l @<REG_N>+REG_8,<DSP_REG_M>", "111101NNMMMM1110", | |
1358 | "MA (1);", | |
1359 | "DSP_R (m) = RLAT (R[n]);", | |
1360 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1361 | "R[n] += R[8];", | |
1362 | }, | |
e53a5a69 | 1363 | { "n", "n", "movs.l <DSP_REG_M>,@-<REG_N>", "111101NNMMMM0011", |
63978407 JR |
1364 | "MA (1);", |
1365 | "R[n] -= 4;", | |
1366 | "WLAT (R[n], DSP_R (m));", | |
1367 | }, | |
1368 | { "", "n", "movs.l <DSP_REG_M>,@<REG_N>", "111101NNMMMM0111", | |
1369 | "MA (1);", | |
1370 | "WLAT (R[n], DSP_R (m));", | |
1371 | }, | |
1372 | { "n", "n", "movs.l <DSP_REG_M>,@<REG_N>+", "111101NNMMMM1011", | |
1373 | "MA (1);", | |
1374 | "WLAT (R[n], DSP_R (m));", | |
1375 | "R[n] += 4;", | |
1376 | }, | |
1377 | { "n", "n8","movs.l <DSP_REG_M>,@<REG_N>+REG_8", "111101NNMMMM1111", | |
1378 | "MA (1);", | |
1379 | "WLAT (R[n], DSP_R (m));", | |
1380 | "R[n] += R[8];", | |
1381 | }, | |
e53a5a69 | 1382 | { "n", "n", "movs.l <DSP_GRD_M>,@-<REG_N>", "111101NNGGGG0011", |
63978407 JR |
1383 | "MA (1);", |
1384 | "R[n] -= 4;", | |
1385 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1386 | }, | |
1387 | { "", "n", "movs.l <DSP_GRD_M>,@<REG_N>", "111101NNGGGG0111", | |
1388 | "MA (1);", | |
1389 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1390 | }, | |
1391 | { "n", "n", "movs.l <DSP_GRD_M>,@<REG_N>+", "111101NNGGGG1011", | |
1392 | "MA (1);", | |
1393 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1394 | "R[n] += 4;", | |
1395 | }, | |
1396 | { "n", "n8","movs.l <DSP_GRD_M>,@<REG_N>+REG_8", "111101NNGGGG1111", | |
1397 | "MA (1);", | |
1398 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1399 | "R[n] += R[8];", | |
1400 | }, | |
86bc60eb | 1401 | { "", "n", "movx.w @<REG_xy>,<DSP_XY>", "111100xyXY0001??", |
63978407 | 1402 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
86bc60eb MS |
1403 | "if (iword & 3)", |
1404 | " {", | |
1405 | " iword &= 0xfd53; goto top;", | |
1406 | " }", | |
1407 | }, | |
1408 | { "", "n", "movx.l @<REG_xy>,<DSP_XY>", "111100xyXY010100", | |
1409 | "DSP_R (m) = RLAT (R[n]);", | |
63978407 | 1410 | }, |
86bc60eb | 1411 | { "n", "n", "movx.w @<REG_xy>+,<DSP_XY>", "111100xyXY0010??", |
63978407 JR |
1412 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1413 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
86bc60eb MS |
1414 | "if (iword & 3)", |
1415 | " {", | |
1416 | " iword &= 0xfd53; goto top;", | |
1417 | " }", | |
1418 | }, | |
1419 | { "n", "n", "movx.l @<REG_xy>+,<DSP_XY>", "111100xyXY011000", | |
1420 | "DSP_R (m) = RLAT (R[n]);", | |
1421 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
63978407 | 1422 | }, |
86bc60eb | 1423 | { "n", "n8","movx.w @<REG_xy>+REG_8,<DSP_XY>", "111100xyXY0011??", |
63978407 JR |
1424 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1425 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
86bc60eb MS |
1426 | "if (iword & 3)", |
1427 | " {", | |
1428 | " iword &= 0xfd53; goto top;", | |
1429 | " }", | |
1430 | }, | |
1431 | { "n", "n8","movx.l @<REG_xy>+REG_8,<DSP_XY>", "111100xyXY011100", | |
1432 | "DSP_R (m) = RLAT (R[n]);", | |
1433 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
63978407 | 1434 | }, |
86bc60eb | 1435 | { "", "n", "movx.w <DSP_Ax>,@<REG_xy>", "111100xyax1001??", |
63978407 | 1436 | "WWAT (R[n], DSP_R (m) >> 16);", |
86bc60eb MS |
1437 | "if (iword & 3)", |
1438 | " {", | |
1439 | " iword &= 0xfd53; goto top;", | |
1440 | " }", | |
1441 | }, | |
1442 | { "", "n", "movx.l <DSP_Ax>,@<REG_xy>", "111100xyax110100", | |
1443 | "WLAT (R[n], DSP_R (m));", | |
63978407 | 1444 | }, |
86bc60eb | 1445 | { "n", "n", "movx.w <DSP_Ax>,@<REG_xy>+", "111100xyax1010??", |
63978407 JR |
1446 | "WWAT (R[n], DSP_R (m) >> 16);", |
1447 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
86bc60eb MS |
1448 | "if (iword & 3)", |
1449 | " {", | |
1450 | " iword &= 0xfd53; goto top;", | |
1451 | " }", | |
63978407 | 1452 | }, |
86bc60eb MS |
1453 | { "n", "n", "movx.l <DSP_Ax>,@<REG_xy>+", "111100xyax111000", |
1454 | "WLAT (R[n], DSP_R (m));", | |
1455 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
1456 | }, | |
1457 | { "n", "n8","movx.w <DSP_Ax>,@<REG_xy>+REG_8","111100xyax1011??", | |
63978407 JR |
1458 | "WWAT (R[n], DSP_R (m) >> 16);", |
1459 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
86bc60eb MS |
1460 | "if (iword & 3)", |
1461 | " {", | |
1462 | " iword &= 0xfd53; goto top;", | |
1463 | " }", | |
1464 | }, | |
1465 | { "n", "n8","movx.l <DSP_Ax>,@<REG_xy>+REG_8","111100xyax111100", | |
1466 | "WLAT (R[n], DSP_R (m));", | |
1467 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
63978407 | 1468 | }, |
86bc60eb | 1469 | { "", "n", "movy.w @<REG_yx>,<DSP_YX>", "111100yxYX000001", |
63978407 JR |
1470 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1471 | }, | |
86bc60eb | 1472 | { "n", "n", "movy.w @<REG_yx>+,<DSP_YX>", "111100yxYX000010", |
63978407 JR |
1473 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1474 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
1475 | }, | |
86bc60eb | 1476 | { "n", "n9","movy.w @<REG_yx>+REG_9,<DSP_YX>", "111100yxYX000011", |
63978407 JR |
1477 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1478 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1479 | }, | |
86bc60eb | 1480 | { "", "n", "movy.w <DSP_Ay>,@<REG_yx>", "111100yxAY010001", |
63978407 JR |
1481 | "WWAT (R[n], DSP_R (m) >> 16);", |
1482 | }, | |
86bc60eb | 1483 | { "n", "n", "movy.w <DSP_Ay>,@<REG_yx>+", "111100yxAY010010", |
63978407 JR |
1484 | "WWAT (R[n], DSP_R (m) >> 16);", |
1485 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
1486 | }, | |
86bc60eb | 1487 | { "n", "n9", "movy.w <DSP_Ay>,@<REG_yx>+REG_9", "111100yxAY010011", |
63978407 JR |
1488 | "WWAT (R[n], DSP_R (m) >> 16);", |
1489 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1490 | }, | |
86bc60eb MS |
1491 | { "", "n", "movy.l @<REG_yx>,<DSP_YX>", "111100yxYX100001", |
1492 | "DSP_R (m) = RLAT (R[n]);", | |
1493 | }, | |
1494 | { "n", "n", "movy.l @<REG_yx>+,<DSP_YX>", "111100yxYX100010", | |
1495 | "DSP_R (m) = RLAT (R[n]);", | |
1496 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
1497 | }, | |
1498 | { "n", "n9","movy.l @<REG_yx>+REG_9,<DSP_YX>", "111100yxYX100011", | |
1499 | "DSP_R (m) = RLAT (R[n]);", | |
1500 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1501 | }, | |
1502 | { "", "n", "movy.l <DSP_Ay>,@<REG_yx>", "111100yxAY110001", | |
1503 | "WLAT (R[n], DSP_R (m));", | |
1504 | }, | |
1505 | { "n", "n", "movy.l <DSP_Ay>,@<REG_yx>+", "111100yxAY110010", | |
1506 | "WLAT (R[n], DSP_R (m));", | |
1507 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
1508 | }, | |
1509 | { "n", "n9", "movy.l <DSP_Ay>,@<REG_yx>+REG_9", "111100yxAY110011", | |
1510 | "WLAT (R[n], DSP_R (m));", | |
1511 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1512 | }, | |
63978407 JR |
1513 | { "", "", "nopx nopy", "1111000000000000", |
1514 | "/* nop */", | |
1515 | }, | |
1516 | { "", "", "ppi", "1111100000000000", | |
1517 | "ppi_insn (RIAT (nip));", | |
1518 | "nip += 2;", | |
1519 | "iword &= 0xf7ff; goto top;", | |
1520 | }, | |
1521 | #endif | |
1522 | {0, 0}}; | |
1523 | ||
1524 | op ppi_tab[] = | |
1525 | { | |
1526 | { "","", "pshl #<imm>,dz", "00000iiim16.zzzz", | |
1527 | "int Sz = DSP_R (z) & 0xffff0000;", | |
1528 | "", | |
437b0e60 | 1529 | "if (i <= 16)", |
63978407 JR |
1530 | " res = Sz << i;", |
1531 | "else if (i >= 128 - 16)", | |
437b0e60 | 1532 | " res = (unsigned) Sz >> 128 - i; /* no sign extension */", |
8f1e3ff5 | 1533 | "else", |
63978407 JR |
1534 | " {", |
1535 | " RAISE_EXCEPTION (SIGILL);", | |
1536 | " return;", | |
1537 | " }", | |
1538 | "res &= 0xffff0000;", | |
1539 | "res_grd = 0;", | |
1540 | "goto logical;", | |
1541 | }, | |
1542 | { "","", "psha #<imm>,dz", "00010iiim32.zzzz", | |
1543 | "int Sz = DSP_R (z);", | |
1544 | "int Sz_grd = GET_DSP_GRD (z);", | |
1545 | "", | |
437b0e60 | 1546 | "if (i <= 32)", |
63978407 | 1547 | " {", |
8f1e3ff5 | 1548 | " if (i == 32)", |
63978407 JR |
1549 | " {", |
1550 | " res = 0;", | |
1551 | " res_grd = Sz;", | |
1552 | " }", | |
1553 | " else", | |
1554 | " {", | |
1555 | " res = Sz << i;", | |
1556 | " res_grd = Sz_grd << i | (unsigned) Sz >> 32 - i;", | |
1557 | " }", | |
1558 | " res_grd = SEXT (res_grd);", | |
1559 | " carry = res_grd & 1;", | |
1560 | " }", | |
1561 | "else if (i >= 96)", | |
1562 | " {", | |
1563 | " i = 128 - i;", | |
8f1e3ff5 | 1564 | " if (i == 32)", |
63978407 JR |
1565 | " {", |
1566 | " res_grd = SIGN32 (Sz_grd);", | |
1567 | " res = Sz_grd;", | |
1568 | " }", | |
1569 | " else", | |
1570 | " {", | |
1571 | " res = Sz >> i | Sz_grd << 32 - i;", | |
1572 | " res_grd = Sz_grd >> i;", | |
1573 | " }", | |
1574 | " carry = Sz >> (i - 1) & 1;", | |
1575 | " }", | |
8f1e3ff5 | 1576 | "else", |
63978407 JR |
1577 | " {", |
1578 | " RAISE_EXCEPTION (SIGILL);", | |
1579 | " return;", | |
1580 | " }", | |
1581 | "COMPUTE_OVERFLOW;", | |
1582 | "greater_equal = 0;", | |
1583 | }, | |
1584 | { "","", "pmuls Se,Sf,Dg", "0100eeffxxyygguu", | |
fcfae95c | 1585 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", |
63978407 JR |
1586 | "if (res == 0x80000000)", |
1587 | " res = 0x7fffffff;", | |
1588 | "DSP_R (g) = res;", | |
1589 | "DSP_GRD (g) = SIGN32 (res);", | |
1590 | "return;", | |
1591 | }, | |
1592 | { "","", "psub Sx,Sy,Du pmuls Se,Sf,Dg", "0110eeffxxyygguu", | |
1593 | "int Sx = DSP_R (x);", | |
1594 | "int Sx_grd = GET_DSP_GRD (x);", | |
1595 | "int Sy = DSP_R (y);", | |
1596 | "int Sy_grd = SIGN32 (Sy);", | |
1597 | "", | |
fcfae95c | 1598 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", |
63978407 JR |
1599 | "if (res == 0x80000000)", |
1600 | " res = 0x7fffffff;", | |
1601 | "DSP_R (g) = res;", | |
1602 | "DSP_GRD (g) = SIGN32 (res);", | |
1603 | "", | |
1604 | "z = u;", | |
1605 | "res = Sx - Sy;", | |
1606 | "carry = (unsigned) res > (unsigned) Sx;", | |
1607 | "res_grd = Sx_grd - Sy_grd - carry;", | |
1608 | "COMPUTE_OVERFLOW;", | |
1609 | "ADD_SUB_GE;", | |
1610 | }, | |
1611 | { "","", "padd Sx,Sy,Du pmuls Se,Sf,Dg", "0111eeffxxyygguu", | |
1612 | "int Sx = DSP_R (x);", | |
1613 | "int Sx_grd = GET_DSP_GRD (x);", | |
1614 | "int Sy = DSP_R (y);", | |
1615 | "int Sy_grd = SIGN32 (Sy);", | |
1616 | "", | |
fcfae95c | 1617 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", |
63978407 JR |
1618 | "if (res == 0x80000000)", |
1619 | " res = 0x7fffffff;", | |
1620 | "DSP_R (g) = res;", | |
1621 | "DSP_GRD (g) = SIGN32 (res);", | |
1622 | "", | |
1623 | "z = u;", | |
1624 | "res = Sx + Sy;", | |
1625 | "carry = (unsigned) res < (unsigned) Sx;", | |
1626 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1627 | "COMPUTE_OVERFLOW;", | |
1628 | }, | |
1629 | { "","", "psubc Sx,Sy,Dz", "10100000xxyyzzzz", | |
1630 | "int Sx = DSP_R (x);", | |
1631 | "int Sx_grd = GET_DSP_GRD (x);", | |
1632 | "int Sy = DSP_R (y);", | |
1633 | "int Sy_grd = SIGN32 (Sy);", | |
1634 | "", | |
1635 | "res = Sx - Sy - (DSR & 1);", | |
1636 | "carry = (unsigned) res > (unsigned) Sx || (res == Sx && Sy);", | |
1637 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1638 | "COMPUTE_OVERFLOW;", | |
1639 | "ADD_SUB_GE;", | |
1640 | "DSR &= ~0xf1;\n", | |
1641 | "if (res || res_grd)\n", | |
1642 | " DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n", | |
1643 | "else\n", | |
1644 | " DSR |= DSR_MASK_Z | overflow;\n", | |
1645 | "DSR |= carry;\n", | |
1646 | "goto assign_z;\n", | |
1647 | }, | |
1648 | { "","", "paddc Sx,Sy,Dz", "10110000xxyyzzzz", | |
1649 | "int Sx = DSP_R (x);", | |
1650 | "int Sx_grd = GET_DSP_GRD (x);", | |
1651 | "int Sy = DSP_R (y);", | |
1652 | "int Sy_grd = SIGN32 (Sy);", | |
1653 | "", | |
1654 | "res = Sx + Sy + (DSR & 1);", | |
1655 | "carry = (unsigned) res < (unsigned) Sx || (res == Sx && Sy);", | |
1656 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1657 | "COMPUTE_OVERFLOW;", | |
1658 | "ADD_SUB_GE;", | |
1659 | "DSR &= ~0xf1;\n", | |
1660 | "if (res || res_grd)\n", | |
1661 | " DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n", | |
1662 | "else\n", | |
1663 | " DSR |= DSR_MASK_Z | overflow;\n", | |
1664 | "DSR |= carry;\n", | |
1665 | "goto assign_z;\n", | |
1666 | }, | |
86bc60eb | 1667 | { "","", "pcmp Sx,Sy", "10000100xxyyzzzz", |
63978407 JR |
1668 | "int Sx = DSP_R (x);", |
1669 | "int Sx_grd = GET_DSP_GRD (x);", | |
1670 | "int Sy = DSP_R (y);", | |
1671 | "int Sy_grd = SIGN32 (Sy);", | |
1672 | "", | |
1673 | "z = 17; /* Ignore result. */", | |
1674 | "res = Sx - Sy;", | |
1675 | "carry = (unsigned) res > (unsigned) Sx;", | |
1676 | "res_grd = Sx_grd - Sy_grd - carry;", | |
1677 | "COMPUTE_OVERFLOW;", | |
1678 | "ADD_SUB_GE;", | |
1679 | }, | |
1680 | { "","", "pwsb Sx,Sy,Dz", "10100100xxyyzzzz", | |
1681 | }, | |
1682 | { "","", "pwad Sx,Sy,Dz", "10110100xxyyzzzz", | |
1683 | }, | |
86bc60eb MS |
1684 | { "","", "(if cc) pabs Sx,Dz", "100010ccxx01zzzz", |
1685 | "/* FIXME: duplicate code pabs. */", | |
1686 | "res = DSP_R (x);", | |
1687 | "res_grd = GET_DSP_GRD (x);", | |
1688 | "if (res >= 0)", | |
1689 | " carry = 0;", | |
1690 | "else", | |
1691 | " {", | |
1692 | " res = -res;", | |
1693 | " carry = (res != 0); /* The manual has a bug here. */", | |
1694 | " res_grd = -res_grd - carry;", | |
1695 | " }", | |
1696 | "COMPUTE_OVERFLOW;", | |
1697 | "/* ??? The re-computing of overflow after", | |
1698 | " saturation processing is specific to pabs. */", | |
1699 | "overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0;", | |
1700 | "ADD_SUB_GE;", | |
1701 | }, | |
63978407 JR |
1702 | { "","", "pabs Sx,Dz", "10001000xx..zzzz", |
1703 | "res = DSP_R (x);", | |
1704 | "res_grd = GET_DSP_GRD (x);", | |
1705 | "if (res >= 0)", | |
1706 | " carry = 0;", | |
1707 | "else", | |
1708 | " {", | |
1709 | " res = -res;", | |
1710 | " carry = (res != 0); /* The manual has a bug here. */", | |
1711 | " res_grd = -res_grd - carry;", | |
1712 | " }", | |
1713 | "COMPUTE_OVERFLOW;", | |
1714 | "/* ??? The re-computing of overflow after", | |
1715 | " saturation processing is specific to pabs. */", | |
1716 | "overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0;", | |
1717 | "ADD_SUB_GE;", | |
1718 | }, | |
86bc60eb MS |
1719 | |
1720 | { "","", "(if cc) prnd Sx,Dz", "100110ccxx01zzzz", | |
1721 | "/* FIXME: duplicate code prnd. */", | |
1722 | "int Sx = DSP_R (x);", | |
1723 | "int Sx_grd = GET_DSP_GRD (x);", | |
1724 | "", | |
1725 | "res = (Sx + 0x8000) & 0xffff0000;", | |
1726 | "carry = (unsigned) res < (unsigned) Sx;", | |
1727 | "res_grd = Sx_grd + carry;", | |
1728 | "COMPUTE_OVERFLOW;", | |
1729 | "ADD_SUB_GE;", | |
1730 | }, | |
63978407 JR |
1731 | { "","", "prnd Sx,Dz", "10011000xx..zzzz", |
1732 | "int Sx = DSP_R (x);", | |
1733 | "int Sx_grd = GET_DSP_GRD (x);", | |
1734 | "", | |
1b606171 | 1735 | "res = (Sx + 0x8000) & 0xffff0000;", |
63978407 JR |
1736 | "carry = (unsigned) res < (unsigned) Sx;", |
1737 | "res_grd = Sx_grd + carry;", | |
1738 | "COMPUTE_OVERFLOW;", | |
1739 | "ADD_SUB_GE;", | |
1740 | }, | |
86bc60eb MS |
1741 | |
1742 | { "","", "(if cc) pabs Sy,Dz", "101010cc01yyzzzz", | |
1743 | "/* FIXME: duplicate code pabs. */", | |
1744 | "res = DSP_R (y);", | |
1745 | "res_grd = 0;", | |
1746 | "overflow = 0;", | |
1747 | "greater_equal = DSR_MASK_G;", | |
1748 | "if (res >= 0)", | |
1749 | " carry = 0;", | |
1750 | "else", | |
1751 | " {", | |
1752 | " res = -res;", | |
1753 | " carry = 1;", | |
1754 | " if (res < 0)", | |
1755 | " {", | |
1756 | " if (S)", | |
1757 | " res = 0x7fffffff;", | |
1758 | " else", | |
1759 | " {", | |
1760 | " overflow = DSR_MASK_V;", | |
1761 | " greater_equal = 0;", | |
1762 | " }", | |
1763 | " }", | |
1764 | " }", | |
1765 | }, | |
63978407 JR |
1766 | { "","", "pabs Sy,Dz", "10101000..yyzzzz", |
1767 | "res = DSP_R (y);", | |
1768 | "res_grd = 0;", | |
1769 | "overflow = 0;", | |
1770 | "greater_equal = DSR_MASK_G;", | |
1771 | "if (res >= 0)", | |
1772 | " carry = 0;", | |
1773 | "else", | |
1774 | " {", | |
1775 | " res = -res;", | |
1776 | " carry = 1;", | |
1777 | " if (res < 0)", | |
1778 | " {", | |
1779 | " if (S)", | |
1780 | " res = 0x7fffffff;", | |
1781 | " else", | |
1782 | " {", | |
1783 | " overflow = DSR_MASK_V;", | |
1784 | " greater_equal = 0;", | |
1785 | " }", | |
1786 | " }", | |
1787 | " }", | |
1788 | }, | |
86bc60eb MS |
1789 | { "","", "(if cc) prnd Sy,Dz", "101110cc01yyzzzz", |
1790 | "/* FIXME: duplicate code prnd. */", | |
1791 | "int Sy = DSP_R (y);", | |
1792 | "int Sy_grd = SIGN32 (Sy);", | |
1793 | "", | |
1794 | "res = (Sy + 0x8000) & 0xffff0000;", | |
1795 | "carry = (unsigned) res < (unsigned) Sy;", | |
1796 | "res_grd = Sy_grd + carry;", | |
1797 | "COMPUTE_OVERFLOW;", | |
1798 | "ADD_SUB_GE;", | |
1799 | }, | |
63978407 JR |
1800 | { "","", "prnd Sy,Dz", "10111000..yyzzzz", |
1801 | "int Sy = DSP_R (y);", | |
1802 | "int Sy_grd = SIGN32 (Sy);", | |
1803 | "", | |
1b606171 | 1804 | "res = (Sy + 0x8000) & 0xffff0000;", |
63978407 JR |
1805 | "carry = (unsigned) res < (unsigned) Sy;", |
1806 | "res_grd = Sy_grd + carry;", | |
1807 | "COMPUTE_OVERFLOW;", | |
1808 | "ADD_SUB_GE;", | |
1809 | }, | |
1810 | { "","", "(if cc) pshl Sx,Sy,Dz", "100000ccxxyyzzzz", | |
1811 | "int Sx = DSP_R (x) & 0xffff0000;", | |
1812 | "int Sy = DSP_R (y) >> 16 & 0x7f;", | |
1813 | "", | |
437b0e60 | 1814 | "if (Sy <= 16)", |
63978407 JR |
1815 | " res = Sx << Sy;", |
1816 | "else if (Sy >= 128 - 16)", | |
437b0e60 | 1817 | " res = (unsigned) Sx >> 128 - Sy; /* no sign extension */", |
8f1e3ff5 | 1818 | "else", |
63978407 JR |
1819 | " {", |
1820 | " RAISE_EXCEPTION (SIGILL);", | |
1821 | " return;", | |
1822 | " }", | |
1823 | "goto cond_logical;", | |
1824 | }, | |
1825 | { "","", "(if cc) psha Sx,Sy,Dz", "100100ccxxyyzzzz", | |
1826 | "int Sx = DSP_R (x);", | |
1827 | "int Sx_grd = GET_DSP_GRD (x);", | |
1828 | "int Sy = DSP_R (y) >> 16 & 0x7f;", | |
1829 | "", | |
437b0e60 | 1830 | "if (Sy <= 32)", |
63978407 | 1831 | " {", |
8f1e3ff5 | 1832 | " if (Sy == 32)", |
63978407 JR |
1833 | " {", |
1834 | " res = 0;", | |
1835 | " res_grd = Sx;", | |
1836 | " }", | |
1837 | " else", | |
1838 | " {", | |
1839 | " res = Sx << Sy;", | |
1840 | " res_grd = Sx_grd << Sy | (unsigned) Sx >> 32 - Sy;", | |
1841 | " }", | |
1842 | " res_grd = SEXT (res_grd);", | |
1843 | " carry = res_grd & 1;", | |
1844 | " }", | |
1845 | "else if (Sy >= 96)", | |
1846 | " {", | |
1847 | " Sy = 128 - Sy;", | |
8f1e3ff5 | 1848 | " if (Sy == 32)", |
63978407 JR |
1849 | " {", |
1850 | " res_grd = SIGN32 (Sx_grd);", | |
1851 | " res = Sx_grd;", | |
1852 | " }", | |
1853 | " else", | |
1854 | " {", | |
1855 | " res = Sx >> Sy | Sx_grd << 32 - Sy;", | |
1856 | " res_grd = Sx_grd >> Sy;", | |
1857 | " }", | |
1858 | " carry = Sx >> (Sy - 1) & 1;", | |
1859 | " }", | |
8f1e3ff5 | 1860 | "else", |
63978407 JR |
1861 | " {", |
1862 | " RAISE_EXCEPTION (SIGILL);", | |
1863 | " return;", | |
1864 | " }", | |
1865 | "COMPUTE_OVERFLOW;", | |
1866 | "greater_equal = 0;", | |
1867 | }, | |
1868 | { "","", "(if cc) psub Sx,Sy,Dz", "101000ccxxyyzzzz", | |
1869 | "int Sx = DSP_R (x);", | |
1870 | "int Sx_grd = GET_DSP_GRD (x);", | |
1871 | "int Sy = DSP_R (y);", | |
1872 | "int Sy_grd = SIGN32 (Sy);", | |
1873 | "", | |
1874 | "res = Sx - Sy;", | |
1875 | "carry = (unsigned) res > (unsigned) Sx;", | |
1876 | "res_grd = Sx_grd - Sy_grd - carry;", | |
1877 | "COMPUTE_OVERFLOW;", | |
1878 | "ADD_SUB_GE;", | |
1879 | }, | |
86bc60eb MS |
1880 | { "","", "(if cc) psub Sy,Sx,Dz", "100001ccxxyyzzzz", |
1881 | "int Sx = DSP_R (x);", | |
1882 | "int Sx_grd = GET_DSP_GRD (x);", | |
1883 | "int Sy = DSP_R (y);", | |
1884 | "int Sy_grd = SIGN32 (Sy);", | |
1885 | "", | |
1886 | "res = Sy - Sx;", | |
1887 | "carry = (unsigned) res > (unsigned) Sy;", | |
1888 | "res_grd = Sy_grd - Sx_grd - carry;", | |
1889 | "COMPUTE_OVERFLOW;", | |
1890 | "ADD_SUB_GE;", | |
1891 | }, | |
63978407 JR |
1892 | { "","", "(if cc) padd Sx,Sy,Dz", "101100ccxxyyzzzz", |
1893 | "int Sx = DSP_R (x);", | |
1894 | "int Sx_grd = GET_DSP_GRD (x);", | |
1895 | "int Sy = DSP_R (y);", | |
1896 | "int Sy_grd = SIGN32 (Sy);", | |
1897 | "", | |
1898 | "res = Sx + Sy;", | |
1899 | "carry = (unsigned) res < (unsigned) Sx;", | |
1900 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1901 | "COMPUTE_OVERFLOW;", | |
1902 | "ADD_SUB_GE;", | |
1903 | }, | |
1904 | { "","", "(if cc) pand Sx,Sy,Dz", "100101ccxxyyzzzz", | |
1905 | "res = DSP_R (x) & DSP_R (y);", | |
1906 | "cond_logical:", | |
1907 | "res &= 0xffff0000;", | |
1908 | "res_grd = 0;", | |
1909 | "if (iword & 0x200)\n", | |
1910 | " goto assign_z;\n", | |
1911 | "logical:", | |
1912 | "carry = 0;", | |
1913 | "overflow = 0;", | |
1914 | "greater_equal = 0;", | |
1915 | "DSR &= ~0xf1;\n", | |
1916 | "if (res)\n", | |
1917 | " DSR |= res >> 26 & DSR_MASK_N;\n", | |
1918 | "else\n", | |
1919 | " DSR |= DSR_MASK_Z;\n", | |
1920 | "goto assign_dc;\n", | |
1921 | }, | |
1922 | { "","", "(if cc) pxor Sx,Sy,Dz", "101001ccxxyyzzzz", | |
1923 | "res = DSP_R (x) ^ DSP_R (y);", | |
1924 | "goto cond_logical;", | |
1925 | }, | |
1926 | { "","", "(if cc) por Sx,Sy,Dz", "101101ccxxyyzzzz", | |
1927 | "res = DSP_R (x) | DSP_R (y);", | |
1928 | "goto cond_logical;", | |
1929 | }, | |
1930 | { "","", "(if cc) pdec Sx,Dz", "100010ccxx..zzzz", | |
1931 | "int Sx = DSP_R (x);", | |
1932 | "int Sx_grd = GET_DSP_GRD (x);", | |
1933 | "", | |
1934 | "res = Sx - 0x10000;", | |
1935 | "carry = res > Sx;", | |
1936 | "res_grd = Sx_grd - carry;", | |
1937 | "COMPUTE_OVERFLOW;", | |
1938 | "ADD_SUB_GE;", | |
1939 | "res &= 0xffff0000;", | |
1940 | }, | |
1941 | { "","", "(if cc) pinc Sx,Dz", "100110ccxx..zzzz", | |
1942 | "int Sx = DSP_R (x);", | |
1943 | "int Sx_grd = GET_DSP_GRD (x);", | |
1944 | "", | |
1945 | "res = Sx + 0x10000;", | |
1946 | "carry = res < Sx;", | |
1947 | "res_grd = Sx_grd + carry;", | |
1948 | "COMPUTE_OVERFLOW;", | |
1949 | "ADD_SUB_GE;", | |
1950 | "res &= 0xffff0000;", | |
1951 | }, | |
1952 | { "","", "(if cc) pdec Sy,Dz", "101010cc..yyzzzz", | |
1953 | "int Sy = DSP_R (y);", | |
1954 | "int Sy_grd = SIGN32 (Sy);", | |
1955 | "", | |
1956 | "res = Sy - 0x10000;", | |
1957 | "carry = res > Sy;", | |
1958 | "res_grd = Sy_grd - carry;", | |
1959 | "COMPUTE_OVERFLOW;", | |
1960 | "ADD_SUB_GE;", | |
1961 | "res &= 0xffff0000;", | |
1962 | }, | |
1963 | { "","", "(if cc) pinc Sy,Dz", "101110cc..yyzzzz", | |
1964 | "int Sy = DSP_R (y);", | |
1965 | "int Sy_grd = SIGN32 (Sy);", | |
1966 | "", | |
1967 | "res = Sy + 0x10000;", | |
1968 | "carry = res < Sy;", | |
1969 | "res_grd = Sy_grd + carry;", | |
1970 | "COMPUTE_OVERFLOW;", | |
1971 | "ADD_SUB_GE;", | |
1972 | "res &= 0xffff0000;", | |
1973 | }, | |
1974 | { "","", "(if cc) pclr Dz", "100011cc....zzzz", | |
1975 | "res = 0;", | |
1976 | "res_grd = 0;", | |
1977 | "carry = 0;", | |
1978 | "overflow = 0;", | |
1979 | "greater_equal = 1;", | |
1980 | }, | |
86bc60eb MS |
1981 | { "","", "pclr Du pmuls Se,Sf,Dg", "0100eeff0001gguu", |
1982 | "/* Do multiply. */", | |
1983 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", | |
1984 | "if (res == 0x80000000)", | |
1985 | " res = 0x7fffffff;", | |
1986 | "DSP_R (g) = res;", | |
1987 | "DSP_GRD (g) = SIGN32 (res);", | |
1988 | "/* FIXME: update DSR based on results of multiply! */", | |
1989 | "", | |
1990 | "/* Do clr. */", | |
1991 | "z = u;", | |
1992 | "res = 0;", | |
1993 | "res_grd = 0;", | |
1994 | "goto assign_z;", | |
1995 | }, | |
63978407 JR |
1996 | { "","", "(if cc) pdmsb Sx,Dz", "100111ccxx..zzzz", |
1997 | "unsigned Sx = DSP_R (x);", | |
1998 | "int Sx_grd = GET_DSP_GRD (x);", | |
8f1e3ff5 | 1999 | "int i = 16;", |
63978407 JR |
2000 | "", |
2001 | "if (Sx_grd < 0)", | |
2002 | " {", | |
2003 | " Sx_grd = ~Sx_grd;", | |
2004 | " Sx = ~Sx;", | |
2005 | " }", | |
2006 | "if (Sx_grd)", | |
2007 | " {", | |
2008 | " Sx = Sx_grd;", | |
2009 | " res = -2;", | |
2010 | " }", | |
2011 | "else if (Sx)", | |
2012 | " res = 30;", | |
2013 | "else", | |
2014 | " res = 31;", | |
8f1e3ff5 | 2015 | "do", |
63978407 JR |
2016 | " {", |
2017 | " if (Sx & ~0 << i)", | |
2018 | " {", | |
2019 | " res -= i;", | |
2020 | " Sx >>= i;", | |
2021 | " }", | |
2022 | " }", | |
2023 | "while (i >>= 1);", | |
2024 | "res <<= 16;", | |
2025 | "res_grd = SIGN32 (res);", | |
2026 | "carry = 0;", | |
2027 | "overflow = 0;", | |
2028 | "ADD_SUB_GE;", | |
2029 | }, | |
2030 | { "","", "(if cc) pdmsb Sy,Dz", "101111cc..yyzzzz", | |
2031 | "unsigned Sy = DSP_R (y);", | |
8f1e3ff5 | 2032 | "int i;", |
63978407 JR |
2033 | "", |
2034 | "if (Sy < 0)", | |
2035 | " Sy = ~Sy;", | |
2036 | "Sy <<= 1;", | |
2037 | "res = 31;", | |
8f1e3ff5 | 2038 | "do", |
63978407 JR |
2039 | " {", |
2040 | " if (Sy & ~0 << i)", | |
2041 | " {", | |
2042 | " res -= i;", | |
2043 | " Sy >>= i;", | |
2044 | " }", | |
2045 | " }", | |
2046 | "while (i >>= 1);", | |
2047 | "res <<= 16;", | |
2048 | "res_grd = SIGN32 (res);", | |
2049 | "carry = 0;", | |
2050 | "overflow = 0;", | |
2051 | "ADD_SUB_GE;", | |
2052 | }, | |
2053 | { "","", "(if cc) pneg Sx,Dz", "110010ccxx..zzzz", | |
2054 | "int Sx = DSP_R (x);", | |
2055 | "int Sx_grd = GET_DSP_GRD (x);", | |
2056 | "", | |
2057 | "res = 0 - Sx;", | |
2058 | "carry = res != 0;", | |
2059 | "res_grd = 0 - Sx_grd - carry;", | |
2060 | "COMPUTE_OVERFLOW;", | |
2061 | "ADD_SUB_GE;", | |
2062 | }, | |
2063 | { "","", "(if cc) pcopy Sx,Dz", "110110ccxx..zzzz", | |
2064 | "res = DSP_R (x);", | |
2065 | "res_grd = GET_DSP_GRD (x);", | |
2066 | "carry = 0;", | |
2067 | "COMPUTE_OVERFLOW;", | |
2068 | "ADD_SUB_GE;", | |
2069 | }, | |
2070 | { "","", "(if cc) pneg Sy,Dz", "111010cc..yyzzzz", | |
2071 | "int Sy = DSP_R (y);", | |
2072 | "int Sy_grd = SIGN32 (Sy);", | |
2073 | "", | |
2074 | "res = 0 - Sy;", | |
2075 | "carry = res != 0;", | |
2076 | "res_grd = 0 - Sy_grd - carry;", | |
2077 | "COMPUTE_OVERFLOW;", | |
2078 | "ADD_SUB_GE;", | |
2079 | }, | |
2080 | { "","", "(if cc) pcopy Sy,Dz", "111110cc..yyzzzz", | |
2081 | "res = DSP_R (y);", | |
2082 | "res_grd = SIGN32 (res);", | |
2083 | "carry = 0;", | |
2084 | "COMPUTE_OVERFLOW;", | |
2085 | "ADD_SUB_GE;", | |
2086 | }, | |
2087 | { "","", "(if cc) psts MACH,Dz", "110011cc....zzzz", | |
2088 | "res = MACH;", | |
2089 | "res_grd = SIGN32 (res);", | |
2090 | "goto assign_z;", | |
2091 | }, | |
2092 | { "","", "(if cc) psts MACL,Dz", "110111cc....zzzz", | |
2093 | "res = MACL;", | |
2094 | "res_grd = SIGN32 (res);", | |
2095 | "goto assign_z;", | |
2096 | }, | |
2097 | { "","", "(if cc) plds Dz,MACH", "111011cc....zzzz", | |
2098 | "if (0xa05f >> z & 1)", | |
2099 | " RAISE_EXCEPTION (SIGILL);", | |
2100 | "else", | |
2101 | " MACH = DSP_R (z);", | |
2102 | "return;", | |
2103 | }, | |
2104 | { "","", "(if cc) plds Dz,MACL", "111111cc....zzzz", | |
2105 | "if (0xa05f >> z & 1)", | |
2106 | " RAISE_EXCEPTION (SIGILL);", | |
2107 | "else", | |
2108 | " MACL = DSP_R (z) = res;", | |
2109 | "return;", | |
2110 | }, | |
86bc60eb MS |
2111 | /* sh4a */ |
2112 | { "","", "(if cc) pswap Sx,Dz", "100111ccxx01zzzz", | |
2113 | "int Sx = DSP_R (x);", | |
2114 | "", | |
2115 | "res = ((Sx & 0xffff) * 65536) + ((Sx >> 16) & 0xffff);", | |
2116 | "res_grd = GET_DSP_GRD (x);", | |
2117 | "carry = 0;", | |
2118 | "overflow = 0;", | |
2119 | "greater_equal = res & 0x80000000 ? 0 : DSR_MASK_G;", | |
2120 | }, | |
2121 | /* sh4a */ | |
2122 | { "","", "(if cc) pswap Sy,Dz", "101111cc01yyzzzz", | |
2123 | "int Sy = DSP_R (y);", | |
2124 | "", | |
2125 | "res = ((Sy & 0xffff) * 65536) + ((Sy >> 16) & 0xffff);", | |
2126 | "res_grd = SIGN32 (Sy);", | |
2127 | "carry = 0;", | |
2128 | "overflow = 0;", | |
2129 | "greater_equal = res & 0x80000000 ? 0 : DSR_MASK_G;", | |
2130 | }, | |
2131 | ||
63978407 JR |
2132 | {0, 0} |
2133 | }; | |
2134 | ||
c906108c SS |
2135 | /* Tables of things to put into enums for sh-opc.h */ |
2136 | static char *nibble_type_list[] = | |
2137 | { | |
2138 | "HEX_0", | |
2139 | "HEX_1", | |
2140 | "HEX_2", | |
2141 | "HEX_3", | |
2142 | "HEX_4", | |
2143 | "HEX_5", | |
2144 | "HEX_6", | |
2145 | "HEX_7", | |
2146 | "HEX_8", | |
2147 | "HEX_9", | |
2148 | "HEX_A", | |
2149 | "HEX_B", | |
2150 | "HEX_C", | |
2151 | "HEX_D", | |
2152 | "HEX_E", | |
2153 | "HEX_F", | |
2154 | "REG_N", | |
2155 | "REG_M", | |
2156 | "BRANCH_12", | |
2157 | "BRANCH_8", | |
2158 | "DISP_8", | |
2159 | "DISP_4", | |
2160 | "IMM_4", | |
2161 | "IMM_4BY2", | |
2162 | "IMM_4BY4", | |
2163 | "PCRELIMM_8BY2", | |
2164 | "PCRELIMM_8BY4", | |
2165 | "IMM_8", | |
2166 | "IMM_8BY2", | |
2167 | "IMM_8BY4", | |
2168 | 0 | |
2169 | }; | |
2170 | static | |
2171 | char *arg_type_list[] = | |
2172 | { | |
2173 | "A_END", | |
2174 | "A_BDISP12", | |
2175 | "A_BDISP8", | |
2176 | "A_DEC_M", | |
2177 | "A_DEC_N", | |
2178 | "A_DISP_GBR", | |
2179 | "A_DISP_PC", | |
2180 | "A_DISP_REG_M", | |
2181 | "A_DISP_REG_N", | |
2182 | "A_GBR", | |
2183 | "A_IMM", | |
2184 | "A_INC_M", | |
2185 | "A_INC_N", | |
2186 | "A_IND_M", | |
2187 | "A_IND_N", | |
2188 | "A_IND_R0_REG_M", | |
2189 | "A_IND_R0_REG_N", | |
2190 | "A_MACH", | |
2191 | "A_MACL", | |
2192 | "A_PR", | |
2193 | "A_R0", | |
2194 | "A_R0_GBR", | |
2195 | "A_REG_M", | |
2196 | "A_REG_N", | |
2197 | "A_SR", | |
2198 | "A_VBR", | |
2199 | "A_SSR", | |
2200 | "A_SPC", | |
2201 | 0, | |
2202 | }; | |
2203 | ||
2204 | static void | |
2205 | make_enum_list (name, s) | |
2206 | char *name; | |
2207 | char **s; | |
2208 | { | |
2209 | int i = 1; | |
2210 | printf ("typedef enum {\n"); | |
2211 | while (*s) | |
2212 | { | |
2213 | printf ("\t%s,\n", *s); | |
2214 | s++; | |
2215 | i++; | |
2216 | } | |
2217 | printf ("} %s;\n", name); | |
2218 | } | |
2219 | ||
2220 | static int | |
2221 | qfunc (a, b) | |
2222 | op *a; | |
2223 | op *b; | |
2224 | { | |
2225 | char bufa[9]; | |
2226 | char bufb[9]; | |
63978407 JR |
2227 | int diff; |
2228 | ||
c906108c SS |
2229 | memcpy (bufa, a->code, 4); |
2230 | memcpy (bufa + 4, a->code + 12, 4); | |
2231 | bufa[8] = 0; | |
2232 | ||
2233 | memcpy (bufb, b->code, 4); | |
2234 | memcpy (bufb + 4, b->code + 12, 4); | |
2235 | bufb[8] = 0; | |
63978407 JR |
2236 | diff = strcmp (bufa, bufb); |
2237 | /* Stabilize the sort, so that later entries can override more general | |
2238 | preceding entries. */ | |
2239 | return diff ? diff : a - b; | |
c906108c SS |
2240 | } |
2241 | ||
2242 | static void | |
2243 | sorttab () | |
2244 | { | |
2245 | op *p = tab; | |
2246 | int len = 0; | |
2247 | ||
2248 | while (p->name) | |
2249 | { | |
2250 | p++; | |
2251 | len++; | |
2252 | } | |
2253 | qsort (tab, len, sizeof (*p), qfunc); | |
2254 | } | |
2255 | ||
c906108c SS |
2256 | static void |
2257 | gengastab () | |
2258 | { | |
2259 | op *p; | |
2260 | sorttab (); | |
2261 | for (p = tab; p->name; p++) | |
2262 | { | |
2263 | printf ("%s %-30s\n", p->code, p->name); | |
2264 | } | |
2265 | ||
2266 | ||
2267 | } | |
2268 | ||
c906108c SS |
2269 | static unsigned char table[1 << 16]; |
2270 | ||
673fc5d0 MS |
2271 | /* Take an opcode, expand all varying fields in it out and fill all the |
2272 | right entries in 'table' with the opcode index. */ | |
c906108c SS |
2273 | |
2274 | static void | |
673fc5d0 | 2275 | expand_opcode (val, i, s) |
c906108c SS |
2276 | int val; |
2277 | int i; | |
2278 | char *s; | |
2279 | { | |
c906108c SS |
2280 | if (*s == 0) |
2281 | { | |
2282 | table[val] = i; | |
2283 | } | |
2284 | else | |
2285 | { | |
673fc5d0 MS |
2286 | int j = 0, m = 0; |
2287 | ||
c906108c SS |
2288 | switch (s[0]) |
2289 | { | |
673fc5d0 MS |
2290 | default: |
2291 | fprintf (stderr, "expand_opcode: illegal char '%c'\n", s[0]); | |
2292 | exit (1); | |
c906108c SS |
2293 | case '0': |
2294 | case '1': | |
86bc60eb MS |
2295 | /* Consume an arbitrary number of ones and zeros. */ |
2296 | do { | |
2297 | j = (j << 1) + (s[m++] - '0'); | |
2298 | } while (s[m] == '0' || s[m] == '1'); | |
2299 | expand_opcode ((val << m) | j, i, s + m); | |
2300 | break; | |
673fc5d0 MS |
2301 | case 'N': /* NN -- four-way fork */ |
2302 | for (j = 0; j < 4; j++) | |
2303 | expand_opcode ((val << 2) | j, i, s + 2); | |
2304 | break; | |
86bc60eb MS |
2305 | case 'x': /* xx or xy -- two-way or four-way fork */ |
2306 | for (j = 0; j < 4; j += (s[1] == 'x' ? 2 : 1)) | |
673fc5d0 MS |
2307 | expand_opcode ((val << 2) | j, i, s + 2); |
2308 | break; | |
86bc60eb MS |
2309 | case 'y': /* yy or yx -- two-way or four-way fork */ |
2310 | for (j = 0; j < (s[1] == 'x' ? 4 : 2); j++) | |
673fc5d0 MS |
2311 | expand_opcode ((val << 2) | j, i, s + 2); |
2312 | break; | |
86bc60eb MS |
2313 | case '?': /* Seven-way "wildcard" fork for movxy */ |
2314 | expand_opcode ((val << 2), i, s + 2); | |
2315 | for (j = 1; j < 4; j++) | |
2316 | { | |
2317 | expand_opcode ((val << 2) | j, i, s + 2); | |
2318 | expand_opcode ((val << 2) | (j + 16), i, s + 2); | |
2319 | } | |
2320 | break; | |
673fc5d0 MS |
2321 | case 'i': /* eg. "i8*1" */ |
2322 | case '.': /* "...." is a wildcard */ | |
c906108c SS |
2323 | case 'n': |
2324 | case 'm': | |
673fc5d0 MS |
2325 | /* nnnn, mmmm, i#*#, .... -- 16-way fork. */ |
2326 | for (j = 0; j < 16; j++) | |
2327 | expand_opcode ((val << 4) | j, i, s + 4); | |
2328 | break; | |
2329 | case 'e': | |
2330 | /* eeee -- even numbered register: | |
2331 | 8 way fork. */ | |
2332 | for (j = 0; j < 15; j += 2) | |
2333 | expand_opcode ((val << 4) | j, i, s + 4); | |
2334 | break; | |
63978407 | 2335 | case 'M': |
673fc5d0 MS |
2336 | /* A0, A1, X0, X1, Y0, Y1, M0, M1, A0G, A1G: |
2337 | MMMM -- 10-way fork */ | |
2338 | expand_opcode ((val << 4) | 5, i, s + 4); | |
2339 | for (j = 7; j < 16; j++) | |
2340 | expand_opcode ((val << 4) | j, i, s + 4); | |
63978407 JR |
2341 | break; |
2342 | case 'G': | |
673fc5d0 MS |
2343 | /* A1G, A0G: |
2344 | GGGG -- two-way fork */ | |
63978407 | 2345 | for (j = 13; j <= 15; j +=2) |
673fc5d0 | 2346 | expand_opcode ((val << 4) | j, i, s + 4); |
63978407 JR |
2347 | break; |
2348 | case 's': | |
673fc5d0 | 2349 | /* ssss -- 10-way fork */ |
63978407 JR |
2350 | /* System registers mach, macl, pr: */ |
2351 | for (j = 0; j < 3; j++) | |
673fc5d0 | 2352 | expand_opcode ((val << 4) | j, i, s + 4); |
63978407 JR |
2353 | /* System registers fpul, fpscr/dsr, a0, x0, x1, y0, y1: */ |
2354 | for (j = 5; j < 12; j++) | |
673fc5d0 | 2355 | expand_opcode ((val << 4) | j, i, s + 4); |
63978407 JR |
2356 | break; |
2357 | case 'X': | |
86bc60eb MS |
2358 | /* XX/XY -- 2/4 way fork. */ |
2359 | for (j = 0; j < 4; j += (s[1] == 'X' ? 2 : 1)) | |
2360 | expand_opcode ((val << 2) | j, i, s + 2); | |
2361 | break; | |
63978407 | 2362 | case 'a': |
86bc60eb MS |
2363 | /* aa/ax -- 2/4 way fork. */ |
2364 | for (j = 0; j < 4; j += (s[1] == 'a' ? 2 : 1)) | |
673fc5d0 | 2365 | expand_opcode ((val << 2) | j, i, s + 2); |
63978407 JR |
2366 | break; |
2367 | case 'Y': | |
86bc60eb MS |
2368 | /* YY/YX -- 2/4 way fork. */ |
2369 | for (j = 0; j < (s[1] == 'Y' ? 2 : 4); j += 1) | |
2370 | expand_opcode ((val << 2) | j, i, s + 2); | |
2371 | break; | |
63978407 | 2372 | case 'A': |
86bc60eb MS |
2373 | /* AA/AY: 2/4 way fork. */ |
2374 | for (j = 0; j < (s[1] == 'A' ? 2 : 4); j += 1) | |
673fc5d0 | 2375 | expand_opcode ((val << 2) | j, i, s + 2); |
63978407 | 2376 | break; |
86bc60eb MS |
2377 | case 'v': |
2378 | /* vv(VV) -- 4(16) way fork. */ | |
2379 | /* Vector register fv0/4/8/12. */ | |
2380 | if (s[2] == 'V') | |
2381 | { | |
2382 | /* 2 vector registers. */ | |
2383 | for (j = 0; j < 15; j++) | |
2384 | expand_opcode ((val << 4) | j, i, s + 4); | |
2385 | } | |
2386 | else | |
2387 | { | |
2388 | /* 1 vector register. */ | |
2389 | for (j = 0; j < 4; j += 1) | |
2390 | expand_opcode ((val << 2) | j, i, s + 2); | |
2391 | } | |
2392 | break; | |
c906108c SS |
2393 | } |
2394 | } | |
2395 | } | |
2396 | ||
2397 | /* Print the jump table used to index an opcode into a switch | |
2398 | statement entry. */ | |
2399 | ||
2400 | static void | |
63978407 JR |
2401 | dumptable (name, size, start) |
2402 | char *name; | |
2403 | int size; | |
2404 | int start; | |
c906108c SS |
2405 | { |
2406 | int lump = 256; | |
2407 | int online = 16; | |
2408 | ||
63978407 | 2409 | int i = start; |
c906108c | 2410 | |
63978407 JR |
2411 | printf ("unsigned char %s[%d]={\n", name, size); |
2412 | while (i < start + size) | |
c906108c SS |
2413 | { |
2414 | int j = 0; | |
2415 | ||
63978407 | 2416 | printf ("/* 0x%x */\n", i); |
c906108c SS |
2417 | |
2418 | while (j < lump) | |
2419 | { | |
2420 | int k = 0; | |
2421 | while (k < online) | |
2422 | { | |
2423 | printf ("%2d", table[i + j + k]); | |
2424 | if (j + k < lump) | |
2425 | printf (","); | |
2426 | ||
2427 | k++; | |
2428 | } | |
2429 | j += k; | |
2430 | printf ("\n"); | |
2431 | } | |
2432 | i += j; | |
c906108c | 2433 | } |
63978407 | 2434 | printf ("};\n"); |
c906108c SS |
2435 | } |
2436 | ||
2437 | ||
2438 | static void | |
63978407 JR |
2439 | filltable (p) |
2440 | op *p; | |
c906108c | 2441 | { |
63978407 | 2442 | static int index = 1; |
c906108c SS |
2443 | |
2444 | sorttab (); | |
63978407 | 2445 | for (; p->name; p++) |
c906108c SS |
2446 | { |
2447 | p->index = index++; | |
673fc5d0 | 2448 | expand_opcode (0, p->index, p->code); |
c906108c SS |
2449 | } |
2450 | } | |
2451 | ||
32fcda6a | 2452 | /* Table already contains all the switch case tags for 16-bit opcode double |
63978407 JR |
2453 | data transfer (ddt) insns, and the switch case tag for processing parallel |
2454 | processing insns (ppi) for code 0xf800 (ppi nopx nopy). Copy the | |
2455 | latter tag to represent all combinations of ppi with ddt. */ | |
c906108c | 2456 | static void |
673fc5d0 | 2457 | expand_ppi_movxy () |
c906108c | 2458 | { |
63978407 | 2459 | int i; |
c906108c | 2460 | |
63978407 JR |
2461 | for (i = 0xf000; i < 0xf400; i++) |
2462 | if (table[i]) | |
2463 | table[i + 0x800] = table[0xf800]; | |
2464 | } | |
c906108c | 2465 | |
63978407 JR |
2466 | static void |
2467 | gensim_caselist (p) | |
2468 | op *p; | |
2469 | { | |
2470 | for (; p->name; p++) | |
c906108c | 2471 | { |
63978407 | 2472 | int j; |
c906108c SS |
2473 | int sextbit = -1; |
2474 | int needm = 0; | |
2475 | int needn = 0; | |
2476 | ||
2477 | char *s = p->code; | |
2478 | ||
2479 | printf (" /* %s %s */\n", p->name, p->code); | |
2480 | printf (" case %d: \n", p->index); | |
2481 | ||
2482 | printf (" {\n"); | |
2483 | while (*s) | |
2484 | { | |
2485 | switch (*s) | |
2486 | { | |
e343a93a MS |
2487 | default: |
2488 | fprintf (stderr, "gencode/gensim_caselist: illegal char '%c'\n", | |
2489 | *s); | |
2490 | exit (1); | |
2491 | break; | |
86bc60eb MS |
2492 | case '?': |
2493 | /* Wildcard expansion, nothing to do here. */ | |
2494 | s += 2; | |
2495 | break; | |
2496 | case 'v': | |
2497 | printf (" int v1 = ((iword >> 10) & 3) * 4;\n"); | |
2498 | s += 2; | |
2499 | break; | |
2500 | case 'V': | |
2501 | printf (" int v2 = ((iword >> 8) & 3) * 4;\n"); | |
2502 | s += 2; | |
2503 | break; | |
c906108c SS |
2504 | case '0': |
2505 | case '1': | |
63978407 JR |
2506 | s += 2; |
2507 | break; | |
c906108c SS |
2508 | case '.': |
2509 | s += 4; | |
2510 | break; | |
2511 | case 'n': | |
673fc5d0 MS |
2512 | case 'e': |
2513 | printf (" int n = (iword >> 8) & 0xf;\n"); | |
c906108c SS |
2514 | needn = 1; |
2515 | s += 4; | |
2516 | break; | |
63978407 JR |
2517 | case 'N': |
2518 | printf (" int n = (((iword >> 8) - 2) & 0x3) + 2;\n"); | |
2519 | s += 2; | |
2520 | break; | |
2521 | case 'x': | |
86bc60eb MS |
2522 | if (s[1] == 'y') /* xy */ |
2523 | { | |
2524 | printf (" int n = (iword & 3) ? \n"); | |
2525 | printf (" ((iword >> 9) & 1) + 4 : \n"); | |
2526 | printf (" REG_xy ((iword >> 8) & 3);\n"); | |
2527 | } | |
2528 | else | |
2529 | printf (" int n = ((iword >> 9) & 1) + 4;\n"); | |
63978407 JR |
2530 | needn = 1; |
2531 | s += 2; | |
2532 | break; | |
2533 | case 'y': | |
86bc60eb MS |
2534 | if (s[1] == 'x') /* yx */ |
2535 | { | |
2536 | printf (" int n = (iword & 0xc) ? \n"); | |
2537 | printf (" ((iword >> 8) & 1) + 6 : \n"); | |
2538 | printf (" REG_yx ((iword >> 8) & 3);\n"); | |
2539 | } | |
2540 | else | |
2541 | printf (" int n = ((iword >> 8) & 1) + 6;\n"); | |
63978407 JR |
2542 | needn = 1; |
2543 | s += 2; | |
2544 | break; | |
c906108c | 2545 | case 'm': |
c906108c | 2546 | needm = 1; |
63978407 JR |
2547 | case 's': |
2548 | case 'M': | |
2549 | case 'G': | |
673fc5d0 | 2550 | printf (" int m = (iword >> 4) & 0xf;\n"); |
c906108c | 2551 | s += 4; |
63978407 JR |
2552 | break; |
2553 | case 'X': | |
86bc60eb MS |
2554 | if (s[1] == 'Y') /* XY */ |
2555 | { | |
2556 | printf (" int m = (iword & 3) ? \n"); | |
2557 | printf (" ((iword >> 7) & 1) + 8 : \n"); | |
2558 | printf (" DSP_xy ((iword >> 6) & 3);\n"); | |
2559 | } | |
2560 | else | |
2561 | printf (" int m = ((iword >> 7) & 1) + 8;\n"); | |
63978407 JR |
2562 | s += 2; |
2563 | break; | |
2564 | case 'a': | |
86bc60eb MS |
2565 | if (s[1] == 'x') /* ax */ |
2566 | { | |
2567 | printf (" int m = (iword & 3) ? \n"); | |
2568 | printf (" 7 - ((iword >> 6) & 2) : \n"); | |
2569 | printf (" DSP_ax ((iword >> 6) & 3);\n"); | |
2570 | } | |
2571 | else | |
2572 | printf (" int m = 7 - ((iword >> 6) & 2);\n"); | |
63978407 JR |
2573 | s += 2; |
2574 | break; | |
2575 | case 'Y': | |
86bc60eb MS |
2576 | if (s[1] == 'X') /* YX */ |
2577 | { | |
2578 | printf (" int m = (iword & 0xc) ? \n"); | |
2579 | printf (" ((iword >> 6) & 1) + 10 : \n"); | |
2580 | printf (" DSP_yx ((iword >> 6) & 3);\n"); | |
2581 | } | |
2582 | else | |
2583 | printf (" int m = ((iword >> 6) & 1) + 10;\n"); | |
63978407 JR |
2584 | s += 2; |
2585 | break; | |
2586 | case 'A': | |
86bc60eb MS |
2587 | if (s[1] == 'Y') /* AY */ |
2588 | { | |
2589 | printf (" int m = (iword & 0xc) ? \n"); | |
2590 | printf (" 7 - ((iword >> 5) & 2) : \n"); | |
2591 | printf (" DSP_ay ((iword >> 6) & 3);\n"); | |
2592 | } | |
2593 | else | |
2594 | printf (" int m = 7 - ((iword >> 5) & 2);\n"); | |
63978407 | 2595 | s += 2; |
c906108c SS |
2596 | break; |
2597 | ||
2598 | case 'i': | |
2599 | printf (" int i = (iword & 0x"); | |
2600 | ||
2601 | switch (s[1]) | |
2602 | { | |
2603 | case '4': | |
2604 | printf ("f"); | |
2605 | break; | |
2606 | case '8': | |
2607 | printf ("ff"); | |
2608 | break; | |
2609 | case '1': | |
2610 | sextbit = 12; | |
2611 | ||
2612 | printf ("fff"); | |
2613 | break; | |
2614 | } | |
2615 | printf (")"); | |
2616 | ||
2617 | switch (s[3]) | |
2618 | { | |
2619 | case '1': | |
2620 | break; | |
2621 | case '2': | |
87acb4a7 | 2622 | printf (" << 1"); |
c906108c SS |
2623 | break; |
2624 | case '4': | |
87acb4a7 | 2625 | printf (" << 2"); |
c906108c SS |
2626 | break; |
2627 | } | |
2628 | printf (";\n"); | |
2629 | s += 4; | |
2630 | } | |
2631 | } | |
2632 | if (sextbit > 0) | |
2633 | { | |
87acb4a7 | 2634 | printf (" i = (i ^ (1 << %d)) - (1 << %d);\n", |
c906108c SS |
2635 | sextbit - 1, sextbit - 1); |
2636 | } | |
2637 | ||
2638 | if (needm && needn) | |
87acb4a7 | 2639 | printf (" TB (m,n);\n"); |
c906108c | 2640 | else if (needm) |
87acb4a7 | 2641 | printf (" TL (m);\n"); |
c906108c | 2642 | else if (needn) |
87acb4a7 | 2643 | printf (" TL (n);\n"); |
c906108c SS |
2644 | |
2645 | { | |
2646 | /* Do the refs */ | |
2647 | char *r; | |
2648 | for (r = p->refs; *r; r++) | |
2649 | { | |
87acb4a7 MS |
2650 | if (*r == '0') printf (" CREF (0);\n"); |
2651 | if (*r == '8') printf (" CREF (8);\n"); | |
2652 | if (*r == '9') printf (" CREF (9);\n"); | |
2653 | if (*r == 'n') printf (" CREF (n);\n"); | |
2654 | if (*r == 'm') printf (" CREF (m);\n"); | |
c906108c SS |
2655 | } |
2656 | } | |
2657 | ||
2658 | printf (" {\n"); | |
2659 | for (j = 0; j < MAX_NR_STUFF; j++) | |
2660 | { | |
2661 | if (p->stuff[j]) | |
2662 | { | |
2663 | printf (" %s\n", p->stuff[j]); | |
2664 | } | |
2665 | } | |
2666 | printf (" }\n"); | |
2667 | ||
2668 | { | |
2669 | /* Do the defs */ | |
2670 | char *r; | |
2671 | for (r = p->defs; *r; r++) | |
2672 | { | |
87acb4a7 MS |
2673 | if (*r == '0') printf(" CDEF (0);\n"); |
2674 | if (*r == 'n') printf(" CDEF (n);\n"); | |
2675 | if (*r == 'm') printf(" CDEF (m);\n"); | |
c906108c SS |
2676 | } |
2677 | } | |
2678 | ||
2679 | printf (" break;\n"); | |
2680 | printf (" }\n"); | |
2681 | } | |
63978407 JR |
2682 | } |
2683 | ||
2684 | static void | |
2685 | gensim () | |
2686 | { | |
2687 | printf ("{\n"); | |
86bc60eb MS |
2688 | printf ("/* REG_xy = [r4, r5, r0, r1]. */\n"); |
2689 | printf ("#define REG_xy(R) ((R)==0 ? 4 : (R)==2 ? 5 : (R)==1 ? 0 : 1)\n"); | |
2690 | printf ("/* REG_yx = [r6, r7, r2, r3]. */\n"); | |
2691 | printf ("#define REG_yx(R) ((R)==0 ? 6 : (R)==1 ? 7 : (R)==2 ? 2 : 3)\n"); | |
2692 | printf ("/* DSP_ax = [a0, a1, x0, x1]. */\n"); | |
2693 | printf ("#define DSP_ax(R) ((R)==0 ? 7 : (R)==2 ? 5 : (R)==1 ? 8 : 9)\n"); | |
2694 | printf ("/* DSP_ay = [a0, a1, y0, y1]. */\n"); | |
2695 | printf ("#define DSP_ay(R) ((R)==0 ? 7 : (R)==1 ? 5 : (R)==2 ? 10 : 11)\n"); | |
2696 | printf ("/* DSP_xy = [x0, x1, y0, y1]. */\n"); | |
2697 | printf ("#define DSP_xy(R) ((R)==0 ? 8 : (R)==2 ? 9 : (R)==1 ? 10 : 11)\n"); | |
2698 | printf ("/* DSP_yx = [y0, y1, x0, x1]. */\n"); | |
2699 | printf ("#define DSP_yx(R) ((R)==0 ? 10 : (R)==1 ? 11 : (R)==2 ? 8 : 9)\n"); | |
63978407 JR |
2700 | printf (" switch (jump_table[iword]) {\n"); |
2701 | ||
2702 | gensim_caselist (tab); | |
2703 | gensim_caselist (movsxy_tab); | |
2704 | ||
c906108c SS |
2705 | printf (" default:\n"); |
2706 | printf (" {\n"); | |
63978407 | 2707 | printf (" RAISE_EXCEPTION (SIGILL);\n"); |
c906108c SS |
2708 | printf (" }\n"); |
2709 | printf (" }\n"); | |
2710 | printf ("}\n"); | |
2711 | } | |
2712 | ||
c906108c SS |
2713 | static void |
2714 | gendefines () | |
2715 | { | |
2716 | op *p; | |
63978407 | 2717 | filltable (tab); |
c906108c SS |
2718 | for (p = tab; p->name; p++) |
2719 | { | |
2720 | char *s = p->name; | |
2721 | printf ("#define OPC_"); | |
2722 | while (*s) { | |
87acb4a7 MS |
2723 | if (isupper (*s)) |
2724 | *s = tolower (*s); | |
2725 | if (isalpha (*s)) | |
2726 | printf ("%c", *s); | |
2727 | if (*s == ' ') | |
2728 | printf ("_"); | |
2729 | if (*s == '@') | |
2730 | printf ("ind_"); | |
2731 | if (*s == ',') | |
2732 | printf ("_"); | |
c906108c SS |
2733 | s++; |
2734 | } | |
87acb4a7 | 2735 | printf (" %d\n",p->index); |
c906108c SS |
2736 | } |
2737 | } | |
2738 | ||
63978407 JR |
2739 | static int ppi_index; |
2740 | ||
240f98d3 | 2741 | /* Take a ppi code, expand all varying fields in it and fill all the |
87acb4a7 | 2742 | right entries in 'table' with the opcode index. |
86bc60eb | 2743 | NOTE: tail recursion optimization removed for simplicity. */ |
63978407 JR |
2744 | |
2745 | static void | |
2746 | expand_ppi_code (val, i, s) | |
2747 | int val; | |
2748 | int i; | |
2749 | char *s; | |
2750 | { | |
2751 | int j; | |
2752 | ||
86bc60eb | 2753 | switch (s[0]) |
63978407 | 2754 | { |
86bc60eb MS |
2755 | default: |
2756 | fprintf (stderr, "gencode/expand_ppi_code: Illegal char '%c'\n", s[0]); | |
2757 | exit (2); | |
2758 | break; | |
2759 | case 'g': | |
2760 | case 'z': | |
2761 | /* The last four bits are disregarded for the switch table. */ | |
2762 | table[val] = i; | |
2763 | return; | |
2764 | case 'm': | |
2765 | /* Four-bit expansion. */ | |
2766 | for (j = 0; j < 16; j++) | |
2767 | expand_ppi_code ((val << 4) + j, i, s + 4); | |
2768 | break; | |
2769 | case '.': | |
2770 | case '0': | |
2771 | expand_ppi_code ((val << 1), i, s + 1); | |
2772 | break; | |
2773 | case '1': | |
2774 | expand_ppi_code ((val << 1) + 1, i, s + 1); | |
2775 | break; | |
2776 | case 'i': | |
2777 | case 'e': case 'f': | |
2778 | case 'x': case 'y': | |
2779 | expand_ppi_code ((val << 1), i, s + 1); | |
2780 | expand_ppi_code ((val << 1) + 1, i, s + 1); | |
2781 | break; | |
2782 | case 'c': | |
2783 | expand_ppi_code ((val << 2) + 1, ppi_index++, s + 2); | |
2784 | expand_ppi_code ((val << 2) + 2, i, s + 2); | |
2785 | expand_ppi_code ((val << 2) + 3, i, s + 2); | |
2786 | break; | |
63978407 JR |
2787 | } |
2788 | } | |
2789 | ||
2790 | static void | |
2791 | ppi_filltable () | |
2792 | { | |
2793 | op *p; | |
2794 | ppi_index = 1; | |
2795 | ||
2796 | for (p = ppi_tab; p->name; p++) | |
2797 | { | |
2798 | p->index = ppi_index++; | |
2799 | expand_ppi_code (0, p->index, p->code); | |
2800 | } | |
2801 | } | |
2802 | ||
2803 | static void | |
2804 | ppi_gensim () | |
2805 | { | |
2806 | op *p = ppi_tab; | |
2807 | ||
2808 | printf ("#define DSR_MASK_G 0x80\n"); | |
2809 | printf ("#define DSR_MASK_Z 0x40\n"); | |
2810 | printf ("#define DSR_MASK_N 0x20\n"); | |
2811 | printf ("#define DSR_MASK_V 0x10\n"); | |
2812 | printf ("\n"); | |
2813 | printf ("#define COMPUTE_OVERFLOW do {\\\n"); | |
2814 | printf (" overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0; \\\n"); | |
2815 | printf (" if (overflow && S) \\\n"); | |
2816 | printf (" { \\\n"); | |
2817 | printf (" if (res_grd & 0x80) \\\n"); | |
2818 | printf (" { \\\n"); | |
2819 | printf (" res = 0x80000000; \\\n"); | |
2820 | printf (" res_grd |= 0xff; \\\n"); | |
2821 | printf (" } \\\n"); | |
2822 | printf (" else \\\n"); | |
2823 | printf (" { \\\n"); | |
2824 | printf (" res = 0x7fffffff; \\\n"); | |
2825 | printf (" res_grd &= ~0xff; \\\n"); | |
2826 | printf (" } \\\n"); | |
2827 | printf (" overflow = 0; \\\n"); | |
2828 | printf (" } \\\n"); | |
2829 | printf ("} while (0)\n"); | |
2830 | printf ("\n"); | |
2831 | printf ("#define ADD_SUB_GE \\\n"); | |
2832 | printf (" (greater_equal = ~(overflow << 3 & res_grd) & DSR_MASK_G)\n"); | |
2833 | printf ("\n"); | |
2834 | printf ("static void\n"); | |
2835 | printf ("ppi_insn (iword)\n"); | |
2836 | printf (" int iword;\n"); | |
2837 | printf ("{\n"); | |
86bc60eb | 2838 | printf (" /* 'ee' = [x0, x1, y0, a1] */\n"); |
63978407 | 2839 | printf (" static char e_tab[] = { 8, 9, 10, 5};\n"); |
86bc60eb | 2840 | printf (" /* 'ff' = [y0, y1, x0, a1] */\n"); |
63978407 | 2841 | printf (" static char f_tab[] = {10, 11, 8, 5};\n"); |
86bc60eb | 2842 | printf (" /* 'xx' = [x0, x1, a0, a1] */\n"); |
63978407 | 2843 | printf (" static char x_tab[] = { 8, 9, 7, 5};\n"); |
86bc60eb | 2844 | printf (" /* 'yy' = [y0, y1, m0, m1] */\n"); |
63978407 | 2845 | printf (" static char y_tab[] = {10, 11, 12, 14};\n"); |
86bc60eb | 2846 | printf (" /* 'gg' = [m0, m1, a0, a1] */\n"); |
63978407 | 2847 | printf (" static char g_tab[] = {12, 14, 7, 5};\n"); |
86bc60eb | 2848 | printf (" /* 'uu' = [x0, y0, a0, a1] */\n"); |
63978407 JR |
2849 | printf (" static char u_tab[] = { 8, 10, 7, 5};\n"); |
2850 | printf ("\n"); | |
2851 | printf (" int z;\n"); | |
2852 | printf (" int res, res_grd;\n"); | |
2853 | printf (" int carry, overflow, greater_equal;\n"); | |
2854 | printf ("\n"); | |
86bc60eb | 2855 | printf (" switch (ppi_table[iword >> 4]) {\n"); |
63978407 JR |
2856 | |
2857 | for (; p->name; p++) | |
2858 | { | |
2859 | int shift, j; | |
2860 | int cond = 0; | |
2861 | int havedecl = 0; | |
2862 | ||
2863 | char *s = p->code; | |
2864 | ||
2865 | printf (" /* %s %s */\n", p->name, p->code); | |
2866 | printf (" case %d: \n", p->index); | |
2867 | ||
2868 | printf (" {\n"); | |
2869 | for (shift = 16; *s; ) | |
2870 | { | |
2871 | switch (*s) | |
2872 | { | |
2873 | case 'i': | |
2874 | printf (" int i = (iword >> 4) & 0x7f;\n"); | |
2875 | s += 6; | |
2876 | break; | |
2877 | case 'e': | |
2878 | case 'f': | |
2879 | case 'x': | |
2880 | case 'y': | |
2881 | case 'g': | |
2882 | case 'u': | |
2883 | shift -= 2; | |
2884 | printf (" int %c = %c_tab[(iword >> %d) & 3];\n", | |
2885 | *s, *s, shift); | |
2886 | havedecl = 1; | |
2887 | s += 2; | |
2888 | break; | |
2889 | case 'c': | |
2890 | printf (" if ((((iword >> 8) ^ DSR) & 1) == 0)\n"); | |
c13a4caa | 2891 | printf ("\treturn;\n"); |
63978407 JR |
2892 | printf (" }\n"); |
2893 | printf (" case %d: \n", p->index + 1); | |
2894 | printf (" {\n"); | |
2895 | cond = 1; | |
2896 | case '0': | |
2897 | case '1': | |
2898 | case '.': | |
2899 | shift -= 2; | |
2900 | s += 2; | |
2901 | break; | |
2902 | case 'z': | |
2903 | if (havedecl) | |
2904 | printf ("\n"); | |
2905 | printf (" z = iword & 0xf;\n"); | |
2906 | havedecl = 2; | |
2907 | s += 4; | |
2908 | break; | |
2909 | } | |
2910 | } | |
2911 | if (havedecl == 1) | |
2912 | printf ("\n"); | |
2913 | else if (havedecl == 2) | |
2914 | printf (" {\n"); | |
2915 | for (j = 0; j < MAX_NR_STUFF; j++) | |
2916 | { | |
2917 | if (p->stuff[j]) | |
2918 | { | |
2919 | printf (" %s%s\n", | |
2920 | (havedecl == 2 ? " " : ""), | |
2921 | p->stuff[j]); | |
2922 | } | |
2923 | } | |
2924 | if (havedecl == 2) | |
2925 | printf (" }\n"); | |
2926 | if (cond) | |
2927 | { | |
2928 | printf (" if (iword & 0x200)\n"); | |
2929 | printf (" goto assign_z;\n"); | |
2930 | } | |
2931 | printf (" break;\n"); | |
2932 | printf (" }\n"); | |
2933 | } | |
2934 | ||
2935 | printf (" default:\n"); | |
2936 | printf (" {\n"); | |
2937 | printf (" RAISE_EXCEPTION (SIGILL);\n"); | |
2938 | printf (" return;\n"); | |
2939 | printf (" }\n"); | |
2940 | printf (" }\n"); | |
2941 | printf (" DSR &= ~0xf1;\n"); | |
2942 | printf (" if (res || res_grd)\n"); | |
2943 | printf (" DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n"); | |
2944 | printf (" else\n"); | |
2945 | printf (" DSR |= DSR_MASK_Z | overflow;\n"); | |
2946 | printf (" assign_dc:\n"); | |
2947 | printf (" switch (DSR >> 1 & 7)\n"); | |
2948 | printf (" {\n"); | |
2949 | printf (" case 0: /* Carry Mode */\n"); | |
2950 | printf (" DSR |= carry;\n"); | |
2951 | printf (" case 1: /* Negative Value Mode */\n"); | |
2952 | printf (" DSR |= res_grd >> 7 & 1;\n"); | |
2953 | printf (" case 2: /* Zero Value Mode */\n"); | |
2954 | printf (" DSR |= DSR >> 6 & 1;\n"); | |
2955 | printf (" case 3: /* Overflow mode\n"); | |
2956 | printf (" DSR |= overflow >> 4;\n"); | |
2957 | printf (" case 4: /* Signed Greater Than Mode */\n"); | |
2958 | printf (" DSR |= DSR >> 7 & 1;\n"); | |
2959 | printf (" case 4: /* Signed Greater Than Or Equal Mode */\n"); | |
2960 | printf (" DSR |= greater_equal >> 7;\n"); | |
2961 | printf (" }\n"); | |
2962 | printf (" assign_z:\n"); | |
2963 | printf (" if (0xa05f >> z & 1)\n"); | |
2964 | printf (" {\n"); | |
2965 | printf (" RAISE_EXCEPTION (SIGILL);\n"); | |
2966 | printf (" return;\n"); | |
2967 | printf (" }\n"); | |
2968 | printf (" DSP_R (z) = res;\n"); | |
2969 | printf (" DSP_GRD (z) = res_grd;\n"); | |
2970 | printf ("}\n"); | |
2971 | } | |
2972 | ||
c906108c SS |
2973 | int |
2974 | main (ac, av) | |
2975 | int ac; | |
2976 | char **av; | |
2977 | { | |
2978 | /* verify the table before anything else */ | |
2979 | { | |
2980 | op *p; | |
2981 | for (p = tab; p->name; p++) | |
2982 | { | |
2983 | /* check that the code field contains 16 bits */ | |
2984 | if (strlen (p->code) != 16) | |
2985 | { | |
2986 | fprintf (stderr, "Code `%s' length wrong (%d) for `%s'\n", | |
2987 | p->code, strlen (p->code), p->name); | |
2988 | abort (); | |
2989 | } | |
2990 | } | |
2991 | } | |
2992 | ||
2993 | /* now generate the requested data */ | |
2994 | if (ac > 1) | |
2995 | { | |
2996 | if (strcmp (av[1], "-t") == 0) | |
2997 | { | |
2998 | gengastab (); | |
2999 | } | |
3000 | else if (strcmp (av[1], "-d") == 0) | |
3001 | { | |
3002 | gendefines (); | |
3003 | } | |
3004 | else if (strcmp (av[1], "-s") == 0) | |
3005 | { | |
63978407 JR |
3006 | filltable (tab); |
3007 | dumptable ("sh_jump_table", 1 << 16, 0); | |
3008 | ||
3009 | memset (table, 0, sizeof table); | |
3010 | filltable (movsxy_tab); | |
673fc5d0 | 3011 | expand_ppi_movxy (); |
63978407 | 3012 | dumptable ("sh_dsp_table", 1 << 12, 0xf000); |
c906108c | 3013 | |
63978407 JR |
3014 | memset (table, 0, sizeof table); |
3015 | ppi_filltable (); | |
86bc60eb | 3016 | dumptable ("ppi_table", 1 << 12, 0); |
c906108c SS |
3017 | } |
3018 | else if (strcmp (av[1], "-x") == 0) | |
3019 | { | |
63978407 JR |
3020 | filltable (tab); |
3021 | filltable (movsxy_tab); | |
c906108c SS |
3022 | gensim (); |
3023 | } | |
63978407 JR |
3024 | else if (strcmp (av[1], "-p") == 0) |
3025 | { | |
3026 | ppi_filltable (); | |
3027 | ppi_gensim (); | |
3028 | } | |
c906108c SS |
3029 | } |
3030 | else | |
63978407 | 3031 | fprintf (stderr, "Opcode table generation no longer supported.\n"); |
c906108c SS |
3032 | return 0; |
3033 | } |