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 | ||
4ae0cff4 | 7 | This file is part of SH sim. |
c906108c SS |
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 | |
4ae0cff4 | 23 | the simulator code. |
c906108c SS |
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 | ||
ed4d32c2 | 33 | #include <ctype.h> |
c906108c | 34 | #include <stdio.h> |
ed4d32c2 MF |
35 | #include <stdlib.h> |
36 | #include <string.h> | |
37 | #include <unistd.h> | |
c906108c | 38 | |
63978407 | 39 | #define MAX_NR_STUFF 42 |
c906108c SS |
40 | |
41 | typedef struct | |
42 | { | |
ed4d32c2 MF |
43 | const char *defs; |
44 | const char *refs; | |
45 | const char *name; | |
46 | const char *code; | |
47 | const char * const stuff[MAX_NR_STUFF]; | |
c906108c | 48 | int index; |
8f1e3ff5 | 49 | } op; |
c906108c SS |
50 | |
51 | ||
ed4d32c2 | 52 | static op tab[] = |
c906108c SS |
53 | { |
54 | ||
55 | { "n", "", "add #<imm>,<REG_N>", "0111nnnni8*1....", | |
87acb4a7 | 56 | "R[n] += SEXT (i);", |
c906108c SS |
57 | "if (i == 0) {", |
58 | " UNDEF(n); /* see #ifdef PARANOID */", | |
59 | " break;", | |
60 | "}", | |
61 | }, | |
62 | { "n", "mn", "add <REG_M>,<REG_N>", "0011nnnnmmmm1100", | |
63 | "R[n] += R[m];", | |
64 | }, | |
65 | ||
66 | { "n", "mn", "addc <REG_M>,<REG_N>", "0011nnnnmmmm1110", | |
67 | "ult = R[n] + T;", | |
68 | "SET_SR_T (ult < R[n]);", | |
69 | "R[n] = ult + R[m];", | |
70 | "SET_SR_T (T || (R[n] < ult));", | |
71 | }, | |
72 | ||
73 | { "n", "mn", "addv <REG_M>,<REG_N>", "0011nnnnmmmm1111", | |
74 | "ult = R[n] + R[m];", | |
75 | "SET_SR_T ((~(R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", | |
76 | "R[n] = ult;", | |
77 | }, | |
78 | ||
0145ab2e | 79 | { "0", "0", "and #<imm>,R0", "11001001i8*1....", |
c906108c SS |
80 | "R0 &= i;", |
81 | }, | |
82 | { "n", "nm", "and <REG_M>,<REG_N>", "0010nnnnmmmm1001", | |
83 | "R[n] &= R[m];", | |
84 | }, | |
85 | { "", "0", "and.b #<imm>,@(R0,GBR)", "11001101i8*1....", | |
86 | "MA (1);", | |
87 | "WBAT (GBR + R0, RBAT (GBR + R0) & i);", | |
88 | }, | |
89 | ||
90 | { "", "", "bf <bdisp8>", "10001011i8p1....", | |
ae0a84af | 91 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 92 | "if (!T) {", |
87acb4a7 | 93 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
94 | " cycles += 2;", |
95 | "}", | |
96 | }, | |
97 | ||
98 | { "", "", "bf.s <bdisp8>", "10001111i8p1....", | |
ae0a84af | 99 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 100 | "if (!T) {", |
63978407 | 101 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
102 | " cycles += 2;", |
103 | " Delay_Slot (PC + 2);", | |
104 | "}", | |
105 | }, | |
106 | ||
ae0a84af CV |
107 | { "", "n", "bit32 #imm3,@(disp12,<REG_N>)", "0011nnnni8*11001", |
108 | "/* 32-bit logical bit-manipulation instructions. */", | |
ae0a84af | 109 | "int word2 = RIAT (nip);", |
53f541af | 110 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
ae0a84af CV |
111 | "i >>= 4; /* BOGUS: Using only three bits of 'i'. */", |
112 | "/* MSB of 'i' must be zero. */", | |
113 | "if (i > 7)", | |
114 | " RAISE_EXCEPTION (SIGILL);", | |
115 | "MA (1);", | |
116 | "do_blog_insn (1 << i, (word2 & 0xfff) + R[n], ", | |
117 | " (word2 >> 12) & 0xf, memory, maskb);", | |
118 | "SET_NIP (nip + 2); /* Consume 2 more bytes. */", | |
119 | }, | |
c906108c | 120 | { "", "", "bra <bdisp12>", "1010i12.........", |
ae0a84af | 121 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 JR |
122 | "SET_NIP (PC + 4 + (SEXT12 (i) * 2));", |
123 | "cycles += 2;", | |
c906108c SS |
124 | "Delay_Slot (PC + 2);", |
125 | }, | |
126 | ||
127 | { "", "n", "braf <REG_N>", "0000nnnn00100011", | |
ae0a84af | 128 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 JR |
129 | "SET_NIP (PC + 4 + R[n]);", |
130 | "cycles += 2;", | |
c906108c SS |
131 | "Delay_Slot (PC + 2);", |
132 | }, | |
133 | ||
134 | { "", "", "bsr <bdisp12>", "1011i12.........", | |
ae0a84af | 135 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 JR |
136 | "PR = PH2T (PC + 4);", |
137 | "SET_NIP (PC + 4 + (SEXT12 (i) * 2));", | |
138 | "cycles += 2;", | |
c906108c SS |
139 | "Delay_Slot (PC + 2);", |
140 | }, | |
141 | ||
142 | { "", "n", "bsrf <REG_N>", "0000nnnn00000011", | |
ae0a84af | 143 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 JR |
144 | "PR = PH2T (PC) + 4;", |
145 | "SET_NIP (PC + 4 + R[n]);", | |
146 | "cycles += 2;", | |
c906108c SS |
147 | "Delay_Slot (PC + 2);", |
148 | }, | |
149 | ||
150 | { "", "", "bt <bdisp8>", "10001001i8p1....", | |
ae0a84af | 151 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 152 | "if (T) {", |
63978407 | 153 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
154 | " cycles += 2;", |
155 | "}", | |
156 | }, | |
ae0a84af CV |
157 | |
158 | { "", "m", "bld/st #<imm>, <REG_M>", "10000111mmmmi4*1", | |
159 | "/* MSB of 'i' is true for load, false for store. */", | |
160 | "if (i <= 7)", | |
161 | " if (T)", | |
162 | " R[m] |= (1 << i);", | |
163 | " else", | |
164 | " R[m] &= ~(1 << i);", | |
165 | "else", | |
166 | " SET_SR_T ((R[m] & (1 << (i - 8))) != 0);", | |
167 | }, | |
168 | { "m", "m", "bset/clr #<imm>, <REG_M>", "10000110mmmmi4*1", | |
169 | "/* MSB of 'i' is true for set, false for clear. */", | |
170 | "if (i <= 7)", | |
171 | " R[m] &= ~(1 << i);", | |
172 | "else", | |
173 | " R[m] |= (1 << (i - 8));", | |
174 | }, | |
175 | { "n", "n", "clips.b <REG_N>", "0100nnnn10010001", | |
176 | "if (R[n] < -128 || R[n] > 127) {", | |
177 | " L (n);", | |
178 | " SET_SR_CS (1);", | |
179 | " if (R[n] > 127)", | |
180 | " R[n] = 127;", | |
181 | " else if (R[n] < -128)", | |
182 | " R[n] = -128;", | |
183 | "}", | |
184 | }, | |
185 | { "n", "n", "clips.w <REG_N>", "0100nnnn10010101", | |
186 | "if (R[n] < -32768 || R[n] > 32767) {", | |
187 | " L (n);", | |
188 | " SET_SR_CS (1);", | |
189 | " if (R[n] > 32767)", | |
190 | " R[n] = 32767;", | |
191 | " else if (R[n] < -32768)", | |
192 | " R[n] = -32768;", | |
193 | "}", | |
194 | }, | |
195 | { "n", "n", "clipu.b <REG_N>", "0100nnnn10000001", | |
196 | "if (R[n] < -256 || R[n] > 255) {", | |
197 | " L (n);", | |
198 | " SET_SR_CS (1);", | |
199 | " R[n] = 255;", | |
200 | "}", | |
201 | }, | |
202 | { "n", "n", "clipu.w <REG_N>", "0100nnnn10000101", | |
203 | "if (R[n] < -65536 || R[n] > 65535) {", | |
204 | " L (n);", | |
205 | " SET_SR_CS (1);", | |
206 | " R[n] = 65535;", | |
207 | "}", | |
208 | }, | |
209 | { "n", "0n", "divs R0,<REG_N>", "0100nnnn10010100", | |
210 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
211 | "if (R0 == 0)", | |
212 | " R[n] = 0x7fffffff;", | |
213 | "else if (R0 == -1 && R[n] == 0x80000000)", | |
214 | " R[n] = 0x7fffffff;", | |
215 | "else R[n] /= R0;", | |
216 | "L (n);", | |
217 | }, | |
218 | { "n", "0n", "divu R0,<REG_N>", "0100nnnn10000100", | |
219 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
220 | "if (R0 == 0)", | |
221 | " R[n] = 0xffffffff;", | |
195b8a57 DJ |
222 | "/* FIXME: The result may be implementation-defined if it is outside */", |
223 | "/* the range of signed int (i.e. if R[n] was negative and R0 == 1). */", | |
224 | "else R[n] = R[n] / (unsigned int) R0;", | |
ae0a84af CV |
225 | "L (n);", |
226 | }, | |
227 | { "n", "0n", "mulr R0,<REG_N>", "0100nnnn10000000", | |
228 | "R[n] = (R[n] * R0) & 0xffffffff;", | |
229 | "L (n);", | |
230 | }, | |
231 | { "0", "n", "ldbank @<REG_N>,R0", "0100nnnn11100101", | |
232 | "int regn = (R[n] >> 2) & 0x1f;", | |
233 | "int bankn = (R[n] >> 7) & 0x1ff;", | |
234 | "if (regn > 19)", | |
235 | " regn = 19; /* FIXME what should happen? */", | |
236 | "R0 = saved_state.asregs.regstack[bankn].regs[regn];", | |
237 | "L (0);", | |
238 | }, | |
239 | { "", "0n", "stbank R0,@<REG_N>", "0100nnnn11100001", | |
240 | "int regn = (R[n] >> 2) & 0x1f;", | |
241 | "int bankn = (R[n] >> 7) & 0x1ff;", | |
242 | "if (regn > 19)", | |
243 | " regn = 19; /* FIXME what should happen? */", | |
244 | "saved_state.asregs.regstack[bankn].regs[regn] = R0;", | |
245 | }, | |
246 | { "", "", "resbank", "0000000001011011", | |
53f541af | 247 | "int i;", |
ae0a84af CV |
248 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
249 | /* FIXME: cdef all */ | |
ae0a84af CV |
250 | "if (BO) { /* Bank Overflow */", |
251 | /* FIXME: how do we know when to reset BO? */ | |
252 | " for (i = 0; i <= 14; i++) {", | |
253 | " R[i] = RLAT (R[15]);", | |
254 | " MA (1);", | |
255 | " R[15] += 4;", | |
256 | " }", | |
257 | " PR = RLAT (R[15]);", | |
258 | " R[15] += 4;", | |
259 | " MA (1);", | |
260 | " GBR = RLAT (R[15]);", | |
261 | " R[15] += 4;", | |
262 | " MA (1);", | |
263 | " MACH = RLAT (R[15]);", | |
264 | " R[15] += 4;", | |
265 | " MA (1);", | |
266 | " MACL = RLAT (R[15]);", | |
267 | " R[15] += 4;", | |
268 | " MA (1);", | |
269 | "}", | |
270 | "else if (BANKN == 0) /* Bank Underflow */", | |
271 | " RAISE_EXCEPTION (SIGILL);", /* FIXME: what exception? */ | |
272 | "else {", | |
273 | " SET_BANKN (BANKN - 1);", | |
274 | " for (i = 0; i <= 14; i++)", | |
275 | " R[i] = saved_state.asregs.regstack[BANKN].regs[i];", | |
276 | " MACH = saved_state.asregs.regstack[BANKN].regs[15];", | |
277 | " PR = saved_state.asregs.regstack[BANKN].regs[17];", | |
278 | " GBR = saved_state.asregs.regstack[BANKN].regs[18];", | |
279 | " MACL = saved_state.asregs.regstack[BANKN].regs[19];", | |
280 | "}", | |
281 | }, | |
282 | { "f", "f-", "movml.l <REG_N>,@-R15", "0100nnnn11110001", | |
283 | "/* Push Rn...R0 (if n==15, push pr and R14...R0). */", | |
284 | "do {", | |
285 | " MA (1);", | |
286 | " R[15] -= 4;", | |
287 | " if (n == 15)", | |
288 | " WLAT (R[15], PR);", | |
289 | " else", | |
290 | " WLAT (R[15], R[n]);", | |
291 | "} while (n-- > 0);", | |
292 | }, | |
293 | { "f", "f+", "movml.l @R15+,<REG_N>", "0100nnnn11110101", | |
294 | "/* Pop R0...Rn (if n==15, pop R0...R14 and pr). */", | |
295 | "int i = 0;\n", | |
296 | "do {", | |
297 | " MA (1);", | |
298 | " if (i == 15)", | |
299 | " PR = RLAT (R[15]);", | |
300 | " else", | |
301 | " R[i] = RLAT (R[15]);", | |
302 | " R[15] += 4;", | |
303 | "} while (i++ < n);", | |
304 | }, | |
305 | { "f", "f-", "movmu.l <REG_N>,@-R15", "0100nnnn11110000", | |
306 | "/* Push pr, R14...Rn (if n==15, push pr). */", /* FIXME */ | |
307 | "int i = 15;\n", | |
308 | "do {", | |
309 | " MA (1);", | |
310 | " R[15] -= 4;", | |
311 | " if (i == 15)", | |
312 | " WLAT (R[15], PR);", | |
313 | " else", | |
314 | " WLAT (R[15], R[i]);", | |
315 | "} while (i-- > n);", | |
316 | }, | |
317 | { "f", "f+", "movmu.l @R15+,<REG_N>", "0100nnnn11110100", | |
318 | "/* Pop Rn...R14, pr (if n==15, pop pr). */", /* FIXME */ | |
319 | "do {", | |
320 | " MA (1);", | |
321 | " if (n == 15)", | |
322 | " PR = RLAT (R[15]);", | |
323 | " else", | |
324 | " R[n] = RLAT (R[15]);", | |
325 | " R[15] += 4;", | |
326 | "} while (n++ < 15);", | |
327 | }, | |
328 | { "", "", "nott", "0000000001101000", | |
329 | "SET_SR_T (T == 0);", | |
330 | }, | |
c906108c SS |
331 | |
332 | { "", "", "bt.s <bdisp8>", "10001101i8p1....", | |
ae0a84af | 333 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 334 | "if (T) {", |
63978407 | 335 | " SET_NIP (PC + 4 + (SEXT (i) * 2));", |
c906108c SS |
336 | " cycles += 2;", |
337 | " Delay_Slot (PC + 2);", | |
338 | "}", | |
339 | }, | |
340 | ||
341 | { "", "", "clrmac", "0000000000101000", | |
342 | "MACH = 0;", | |
343 | "MACL = 0;", | |
344 | }, | |
345 | ||
346 | { "", "", "clrs", "0000000001001000", | |
347 | "SET_SR_S (0);", | |
348 | }, | |
349 | ||
350 | { "", "", "clrt", "0000000000001000", | |
351 | "SET_SR_T (0);", | |
352 | }, | |
353 | ||
86bc60eb MS |
354 | /* sh4a */ |
355 | { "", "", "clrdmxy", "0000000010001000", | |
356 | "saved_state.asregs.cregs.named.sr &= ~(SR_MASK_DMX | SR_MASK_DMY);" | |
357 | }, | |
358 | ||
c906108c SS |
359 | { "", "0", "cmp/eq #<imm>,R0", "10001000i8*1....", |
360 | "SET_SR_T (R0 == SEXT (i));", | |
361 | }, | |
362 | { "", "mn", "cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000", | |
363 | "SET_SR_T (R[n] == R[m]);", | |
364 | }, | |
365 | { "", "mn", "cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011", | |
366 | "SET_SR_T (R[n] >= R[m]);", | |
367 | }, | |
368 | { "", "mn", "cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111", | |
369 | "SET_SR_T (R[n] > R[m]);", | |
370 | }, | |
371 | { "", "mn", "cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110", | |
372 | "SET_SR_T (UR[n] > UR[m]);", | |
373 | }, | |
374 | { "", "mn", "cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010", | |
375 | "SET_SR_T (UR[n] >= UR[m]);", | |
376 | }, | |
377 | { "", "n", "cmp/pl <REG_N>", "0100nnnn00010101", | |
378 | "SET_SR_T (R[n] > 0);", | |
379 | }, | |
380 | { "", "n", "cmp/pz <REG_N>", "0100nnnn00010001", | |
381 | "SET_SR_T (R[n] >= 0);", | |
382 | }, | |
383 | { "", "mn", "cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100", | |
384 | "ult = R[n] ^ R[m];", | |
385 | "SET_SR_T (((ult & 0xff000000) == 0)", | |
386 | " | ((ult & 0xff0000) == 0)", | |
387 | " | ((ult & 0xff00) == 0)", | |
388 | " | ((ult & 0xff) == 0));", | |
389 | }, | |
390 | ||
391 | { "", "mn", "div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111", | |
392 | "SET_SR_Q ((R[n] & sbit) != 0);", | |
393 | "SET_SR_M ((R[m] & sbit) != 0);", | |
394 | "SET_SR_T (M != Q);", | |
395 | }, | |
396 | ||
397 | { "", "", "div0u", "0000000000011001", | |
398 | "SET_SR_M (0);", | |
399 | "SET_SR_Q (0);", | |
400 | "SET_SR_T (0);", | |
401 | }, | |
402 | ||
0145ab2e MS |
403 | { "n", "nm", "div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100", |
404 | "div1 (&R0, m, n/*, T*/);", | |
c906108c SS |
405 | }, |
406 | ||
407 | { "", "nm", "dmuls.l <REG_M>,<REG_N>", "0011nnnnmmmm1101", | |
408 | "dmul (1/*signed*/, R[n], R[m]);", | |
409 | }, | |
410 | ||
411 | { "", "nm", "dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101", | |
412 | "dmul (0/*unsigned*/, R[n], R[m]);", | |
413 | }, | |
414 | ||
415 | { "n", "n", "dt <REG_N>", "0100nnnn00010000", | |
416 | "R[n]--;", | |
417 | "SET_SR_T (R[n] == 0);", | |
418 | }, | |
419 | ||
420 | { "n", "m", "exts.b <REG_M>,<REG_N>", "0110nnnnmmmm1110", | |
421 | "R[n] = SEXT (R[m]);", | |
422 | }, | |
423 | { "n", "m", "exts.w <REG_M>,<REG_N>", "0110nnnnmmmm1111", | |
424 | "R[n] = SEXTW (R[m]);", | |
425 | }, | |
426 | ||
427 | { "n", "m", "extu.b <REG_M>,<REG_N>", "0110nnnnmmmm1100", | |
428 | "R[n] = (R[m] & 0xff);", | |
429 | }, | |
430 | { "n", "m", "extu.w <REG_M>,<REG_N>", "0110nnnnmmmm1101", | |
431 | "R[n] = (R[m] & 0xffff);", | |
432 | }, | |
433 | ||
2bc8946d | 434 | /* sh2e */ |
c906108c | 435 | { "", "", "fabs <FREG_N>", "1111nnnn01011101", |
57df9adf OE |
436 | " union", |
437 | " {", | |
438 | " unsigned int i;", | |
439 | " float f;", | |
440 | " } u;", | |
441 | " u.f = FR (n);", | |
442 | " u.i &= 0x7fffffff;", | |
443 | " SET_FR (n, u.f);", | |
c906108c SS |
444 | }, |
445 | ||
2bc8946d | 446 | /* sh2e */ |
c906108c SS |
447 | { "", "", "fadd <FREG_M>,<FREG_N>", "1111nnnnmmmm0000", |
448 | "FP_OP (n, +, m);", | |
449 | }, | |
450 | ||
2bc8946d | 451 | /* sh2e */ |
c906108c SS |
452 | { "", "", "fcmp/eq <FREG_M>,<FREG_N>", "1111nnnnmmmm0100", |
453 | "FP_CMP (n, ==, m);", | |
454 | }, | |
2bc8946d | 455 | /* sh2e */ |
c906108c SS |
456 | { "", "", "fcmp/gt <FREG_M>,<FREG_N>", "1111nnnnmmmm0101", |
457 | "FP_CMP (n, >, m);", | |
458 | }, | |
459 | ||
7a292a7a SS |
460 | /* sh4 */ |
461 | { "", "", "fcnvds <DR_N>,FPUL", "1111nnnn10111101", | |
462 | "if (! FPSCR_PR || n & 1)", | |
63978407 | 463 | " RAISE_EXCEPTION (SIGILL);", |
7a292a7a SS |
464 | "else", |
465 | "{", | |
104c1213 JM |
466 | " union", |
467 | " {", | |
468 | " int i;", | |
469 | " float f;", | |
470 | " } u;", | |
87acb4a7 | 471 | " u.f = DR (n);", |
104c1213 | 472 | " FPUL = u.i;", |
7a292a7a SS |
473 | "}", |
474 | }, | |
475 | ||
476 | /* sh4 */ | |
477 | { "", "", "fcnvsd FPUL,<DR_N>", "1111nnnn10101101", | |
478 | "if (! FPSCR_PR || n & 1)", | |
63978407 | 479 | " RAISE_EXCEPTION (SIGILL);", |
7a292a7a SS |
480 | "else", |
481 | "{", | |
104c1213 JM |
482 | " union", |
483 | " {", | |
484 | " int i;", | |
485 | " float f;", | |
486 | " } u;", | |
487 | " u.i = FPUL;", | |
87acb4a7 | 488 | " SET_DR (n, u.f);", |
7a292a7a SS |
489 | "}", |
490 | }, | |
491 | ||
2bc8946d | 492 | /* sh2e */ |
c906108c SS |
493 | { "", "", "fdiv <FREG_M>,<FREG_N>", "1111nnnnmmmm0011", |
494 | "FP_OP (n, /, m);", | |
4ae0cff4 | 495 | "/* FIXME: check for DP and (n & 1) == 0? */", |
c906108c SS |
496 | }, |
497 | ||
7a292a7a | 498 | /* sh4 */ |
86bc60eb MS |
499 | { "", "", "fipr <FV_M>,<FV_N>", "1111vvVV11101101", |
500 | "if (FPSCR_PR)", | |
501 | " RAISE_EXCEPTION (SIGILL);", | |
502 | "else", | |
503 | "{", | |
504 | " double fsum = 0;", | |
ae0a84af CV |
505 | " if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)", |
506 | " RAISE_EXCEPTION (SIGILL);", | |
86bc60eb MS |
507 | " /* FIXME: check for nans and infinities. */", |
508 | " fsum += FR (v1+0) * FR (v2+0);", | |
509 | " fsum += FR (v1+1) * FR (v2+1);", | |
510 | " fsum += FR (v1+2) * FR (v2+2);", | |
511 | " fsum += FR (v1+3) * FR (v2+3);", | |
512 | " SET_FR (v1+3, fsum);", | |
513 | "}", | |
7a292a7a SS |
514 | }, |
515 | ||
2bc8946d | 516 | /* sh2e */ |
c906108c | 517 | { "", "", "fldi0 <FREG_N>", "1111nnnn10001101", |
87acb4a7 | 518 | "SET_FR (n, (float) 0.0);", |
4ae0cff4 | 519 | "/* FIXME: check for DP and (n & 1) == 0? */", |
c906108c SS |
520 | }, |
521 | ||
2bc8946d | 522 | /* sh2e */ |
c906108c | 523 | { "", "", "fldi1 <FREG_N>", "1111nnnn10011101", |
87acb4a7 | 524 | "SET_FR (n, (float) 1.0);", |
4ae0cff4 | 525 | "/* FIXME: check for DP and (n & 1) == 0? */", |
c906108c SS |
526 | }, |
527 | ||
2bc8946d | 528 | /* sh2e */ |
c906108c | 529 | { "", "", "flds <FREG_N>,FPUL", "1111nnnn00011101", |
104c1213 JM |
530 | " union", |
531 | " {", | |
532 | " int i;", | |
533 | " float f;", | |
534 | " } u;", | |
87acb4a7 | 535 | " u.f = FR (n);", |
104c1213 | 536 | " FPUL = u.i;", |
c906108c SS |
537 | }, |
538 | ||
2bc8946d | 539 | /* sh2e */ |
c906108c | 540 | { "", "", "float FPUL,<FREG_N>", "1111nnnn00101101", |
7a292a7a SS |
541 | /* sh4 */ |
542 | "if (FPSCR_PR)", | |
87acb4a7 | 543 | " SET_DR (n, (double) FPUL);", |
7a292a7a | 544 | "else", |
c906108c | 545 | "{", |
87acb4a7 | 546 | " SET_FR (n, (float) FPUL);", |
c906108c SS |
547 | "}", |
548 | }, | |
549 | ||
2bc8946d | 550 | /* sh2e */ |
c906108c | 551 | { "", "", "fmac <FREG_0>,<FREG_M>,<FREG_N>", "1111nnnnmmmm1110", |
87acb4a7 | 552 | "SET_FR (n, FR (m) * FR (0) + FR (n));", |
c906108c SS |
553 | "/* FIXME: check for DP and (n & 1) == 0? */", |
554 | }, | |
555 | ||
2bc8946d | 556 | /* sh2e */ |
c906108c | 557 | { "", "", "fmov <FREG_M>,<FREG_N>", "1111nnnnmmmm1100", |
7a292a7a SS |
558 | /* sh4 */ |
559 | "if (FPSCR_SZ) {", | |
560 | " int ni = XD_TO_XF (n);", | |
561 | " int mi = XD_TO_XF (m);", | |
562 | " SET_XF (ni + 0, XF (mi + 0));", | |
563 | " SET_XF (ni + 1, XF (mi + 1));", | |
564 | "}", | |
565 | "else", | |
c906108c SS |
566 | "{", |
567 | " SET_FR (n, FR (m));", | |
568 | "}", | |
569 | }, | |
2bc8946d | 570 | /* sh2e */ |
b939d772 | 571 | { "", "n", "fmov.s <FREG_M>,@<REG_N>", "1111nnnnmmmm1010", |
7a292a7a SS |
572 | /* sh4 */ |
573 | "if (FPSCR_SZ) {", | |
574 | " MA (2);", | |
575 | " WDAT (R[n], m);", | |
576 | "}", | |
577 | "else", | |
c906108c SS |
578 | "{", |
579 | " MA (1);", | |
87acb4a7 | 580 | " WLAT (R[n], FI (m));", |
c906108c SS |
581 | "}", |
582 | }, | |
2bc8946d | 583 | /* sh2e */ |
b939d772 | 584 | { "", "m", "fmov.s @<REG_M>,<FREG_N>", "1111nnnnmmmm1000", |
7a292a7a SS |
585 | /* sh4 */ |
586 | "if (FPSCR_SZ) {", | |
587 | " MA (2);", | |
588 | " RDAT (R[m], n);", | |
589 | "}", | |
590 | "else", | |
c906108c SS |
591 | "{", |
592 | " MA (1);", | |
87acb4a7 | 593 | " SET_FI (n, RLAT (R[m]));", |
c906108c SS |
594 | "}", |
595 | }, | |
ae0a84af CV |
596 | /* sh2a */ |
597 | { "", "n", "fmov.s @(disp12,<REG_N>), <FREG_M>", "0011nnnnmmmm0001", | |
598 | "/* and fmov.s <FREG_N>, @(disp12,<FREG_M>)", | |
599 | " and mov.bwl <REG_N>, @(disp12,<REG_M>)", | |
600 | " and mov.bwl @(disp12,<REG_N>),<REG_M>", | |
601 | " and movu.bw @(disp12,<REG_N>),<REG_M>. */", | |
ae0a84af | 602 | "int word2 = RIAT (nip);", |
53f541af | 603 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
ae0a84af CV |
604 | "SET_NIP (nip + 2); /* Consume 2 more bytes. */", |
605 | "MA (1);", | |
606 | "do_long_move_insn (word2 & 0xf000, word2 & 0x0fff, m, n, &thislock);", | |
607 | }, | |
2bc8946d | 608 | /* sh2e */ |
e343a93a | 609 | { "m", "m", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001", |
7a292a7a SS |
610 | /* sh4 */ |
611 | "if (FPSCR_SZ) {", | |
612 | " MA (2);", | |
613 | " RDAT (R[m], n);", | |
614 | " R[m] += 8;", | |
615 | "}", | |
616 | "else", | |
c906108c SS |
617 | "{", |
618 | " MA (1);", | |
619 | " SET_FI (n, RLAT (R[m]));", | |
620 | " R[m] += 4;", | |
621 | "}", | |
622 | }, | |
2bc8946d | 623 | /* sh2e */ |
b939d772 | 624 | { "n", "n", "fmov.s <FREG_M>,@-<REG_N>", "1111nnnnmmmm1011", |
7a292a7a SS |
625 | /* sh4 */ |
626 | "if (FPSCR_SZ) {", | |
627 | " MA (2);", | |
628 | " R[n] -= 8;", | |
629 | " WDAT (R[n], m);", | |
630 | "}", | |
631 | "else", | |
c906108c SS |
632 | "{", |
633 | " MA (1);", | |
634 | " R[n] -= 4;", | |
87acb4a7 | 635 | " WLAT (R[n], FI (m));", |
c906108c SS |
636 | "}", |
637 | }, | |
2bc8946d | 638 | /* sh2e */ |
b939d772 | 639 | { "", "0m", "fmov.s @(R0,<REG_M>),<FREG_N>", "1111nnnnmmmm0110", |
7a292a7a SS |
640 | /* sh4 */ |
641 | "if (FPSCR_SZ) {", | |
642 | " MA (2);", | |
643 | " RDAT (R[0]+R[m], n);", | |
644 | "}", | |
645 | "else", | |
c906108c SS |
646 | "{", |
647 | " MA (1);", | |
87acb4a7 | 648 | " SET_FI (n, RLAT (R[0] + R[m]));", |
c906108c SS |
649 | "}", |
650 | }, | |
2bc8946d | 651 | /* sh2e */ |
b939d772 | 652 | { "", "0n", "fmov.s <FREG_M>,@(R0,<REG_N>)", "1111nnnnmmmm0111", |
7a292a7a SS |
653 | /* sh4 */ |
654 | "if (FPSCR_SZ) {", | |
655 | " MA (2);", | |
656 | " WDAT (R[0]+R[n], m);", | |
657 | "}", | |
658 | "else", | |
c906108c SS |
659 | "{", |
660 | " MA (1);", | |
87acb4a7 | 661 | " WLAT ((R[0]+R[n]), FI (m));", |
c906108c SS |
662 | "}", |
663 | }, | |
664 | ||
4ae0cff4 MS |
665 | /* sh4: |
666 | See fmov instructions above for move to/from extended fp registers. */ | |
7a292a7a | 667 | |
2bc8946d | 668 | /* sh2e */ |
c906108c | 669 | { "", "", "fmul <FREG_M>,<FREG_N>", "1111nnnnmmmm0010", |
87acb4a7 | 670 | "FP_OP (n, *, m);", |
c906108c SS |
671 | }, |
672 | ||
2bc8946d | 673 | /* sh2e */ |
c906108c | 674 | { "", "", "fneg <FREG_N>", "1111nnnn01001101", |
57df9adf OE |
675 | " union", |
676 | " {", | |
677 | " unsigned int i;", | |
678 | " float f;", | |
679 | " } u;", | |
680 | " u.f = FR (n);", | |
681 | " u.i ^= 0x80000000;", | |
682 | " SET_FR (n, u.f);", | |
c906108c SS |
683 | }, |
684 | ||
86bc60eb MS |
685 | /* sh4a */ |
686 | { "", "", "fpchg", "1111011111111101", | |
87acb4a7 | 687 | "SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_PR);", |
86bc60eb MS |
688 | }, |
689 | ||
7a292a7a SS |
690 | /* sh4 */ |
691 | { "", "", "frchg", "1111101111111101", | |
e343a93a MS |
692 | "if (FPSCR_PR)", |
693 | " RAISE_EXCEPTION (SIGILL);", | |
ae0a84af CV |
694 | "else if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)", |
695 | " RAISE_EXCEPTION (SIGILL);", | |
e343a93a | 696 | "else", |
87acb4a7 | 697 | " SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_FR);", |
7a292a7a SS |
698 | }, |
699 | ||
794cd17b | 700 | /* sh4 */ |
673fc5d0 | 701 | { "", "", "fsca", "1111eeee11111101", |
794cd17b JR |
702 | "if (FPSCR_PR)", |
703 | " RAISE_EXCEPTION (SIGILL);", | |
ae0a84af CV |
704 | "else if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)", |
705 | " RAISE_EXCEPTION (SIGILL);", | |
794cd17b JR |
706 | "else", |
707 | " {", | |
708 | " SET_FR (n, fsca_s (FPUL, &sin));", | |
709 | " SET_FR (n+1, fsca_s (FPUL, &cos));", | |
710 | " }", | |
711 | }, | |
712 | ||
7a292a7a SS |
713 | /* sh4 */ |
714 | { "", "", "fschg", "1111001111111101", | |
87acb4a7 | 715 | "SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_SZ);", |
7a292a7a SS |
716 | }, |
717 | ||
c906108c SS |
718 | /* sh3e */ |
719 | { "", "", "fsqrt <FREG_N>", "1111nnnn01101101", | |
87acb4a7 | 720 | "FP_UNARY (n, sqrt);", |
c906108c SS |
721 | }, |
722 | ||
794cd17b | 723 | /* sh4 */ |
0145ab2e | 724 | { "", "", "fsrra <FREG_N>", "1111nnnn01111101", |
794cd17b JR |
725 | "if (FPSCR_PR)", |
726 | " RAISE_EXCEPTION (SIGILL);", | |
ae0a84af CV |
727 | "else if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)", |
728 | " RAISE_EXCEPTION (SIGILL);", | |
794cd17b JR |
729 | "else", |
730 | " SET_FR (n, fsrra_s (FR (n)));", | |
731 | }, | |
732 | ||
2bc8946d | 733 | /* sh2e */ |
c906108c | 734 | { "", "", "fsub <FREG_M>,<FREG_N>", "1111nnnnmmmm0001", |
87acb4a7 | 735 | "FP_OP (n, -, m);", |
c906108c SS |
736 | }, |
737 | ||
2bc8946d | 738 | /* sh2e */ |
c906108c | 739 | { "", "", "ftrc <FREG_N>, FPUL", "1111nnnn00111101", |
7a292a7a SS |
740 | /* sh4 */ |
741 | "if (FPSCR_PR) {", | |
87acb4a7 | 742 | " if (DR (n) != DR (n)) /* NaN */", |
7a292a7a SS |
743 | " FPUL = 0x80000000;", |
744 | " else", | |
87acb4a7 | 745 | " FPUL = (int) DR (n);", |
7a292a7a SS |
746 | "}", |
747 | "else", | |
87acb4a7 | 748 | "if (FR (n) != FR (n)) /* NaN */", |
c906108c SS |
749 | " FPUL = 0x80000000;", |
750 | "else", | |
87acb4a7 | 751 | " FPUL = (int) FR (n);", |
c906108c SS |
752 | }, |
753 | ||
86bc60eb MS |
754 | /* sh4 */ |
755 | { "", "", "ftrv <FV_N>", "1111vv0111111101", | |
756 | "if (FPSCR_PR)", | |
757 | " RAISE_EXCEPTION (SIGILL);", | |
758 | "else", | |
759 | "{", | |
ae0a84af CV |
760 | " if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)", |
761 | " RAISE_EXCEPTION (SIGILL);", | |
86bc60eb MS |
762 | " /* FIXME not implemented. */", |
763 | " printf (\"ftrv xmtrx, FV%d\\n\", v1);", | |
764 | "}", | |
765 | }, | |
766 | ||
2bc8946d | 767 | /* sh2e */ |
c906108c | 768 | { "", "", "fsts FPUL,<FREG_N>", "1111nnnn00001101", |
104c1213 JM |
769 | " union", |
770 | " {", | |
771 | " int i;", | |
772 | " float f;", | |
773 | " } u;", | |
774 | " u.i = FPUL;", | |
775 | " SET_FR (n, u.f);", | |
c906108c SS |
776 | }, |
777 | ||
778 | { "", "n", "jmp @<REG_N>", "0100nnnn00101011", | |
ae0a84af | 779 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 JR |
780 | "SET_NIP (PT2H (R[n]));", |
781 | "cycles += 2;", | |
c906108c SS |
782 | "Delay_Slot (PC + 2);", |
783 | }, | |
784 | ||
785 | { "", "n", "jsr @<REG_N>", "0100nnnn00001011", | |
ae0a84af | 786 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 | 787 | "PR = PH2T (PC + 4);", |
c906108c | 788 | "if (~doprofile)", |
63978407 JR |
789 | " gotcall (PR, R[n]);", |
790 | "SET_NIP (PT2H (R[n]));", | |
791 | "cycles += 2;", | |
c906108c SS |
792 | "Delay_Slot (PC + 2);", |
793 | }, | |
ae0a84af CV |
794 | { "", "n", "jsr/n @<REG_N>", "0100nnnn01001011", |
795 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
796 | "PR = PH2T (PC + 2);", | |
797 | "if (~doprofile)", | |
798 | " gotcall (PR, R[n]);", | |
799 | "SET_NIP (PT2H (R[n]));", | |
800 | }, | |
801 | { "", "", "jsr/n @@(<disp>,TBR)", "10000011i8p4....", | |
802 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
803 | "PR = PH2T (PC + 2);", | |
804 | "if (~doprofile)", | |
805 | " gotcall (PR, i + TBR);", | |
806 | "SET_NIP (PT2H (i + TBR));", | |
807 | }, | |
c906108c | 808 | |
63978407 JR |
809 | { "", "n", "ldc <REG_N>,<CREG_M>", "0100nnnnmmmm1110", |
810 | "CREG (m) = R[n];", | |
c906108c SS |
811 | "/* FIXME: user mode */", |
812 | }, | |
813 | { "", "n", "ldc <REG_N>,SR", "0100nnnn00001110", | |
814 | "SET_SR (R[n]);", | |
815 | "/* FIXME: user mode */", | |
816 | }, | |
63978407 JR |
817 | { "", "n", "ldc <REG_N>,MOD", "0100nnnn01011110", |
818 | "SET_MOD (R[n]);", | |
c906108c | 819 | }, |
7a292a7a | 820 | { "", "n", "ldc <REG_N>,DBR", "0100nnnn11111010", |
86bc60eb MS |
821 | "if (SR_MD)", |
822 | " DBR = R[n]; /* priv mode */", | |
823 | "else", | |
824 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
825 | }, | |
826 | { "", "n", "ldc <REG_N>,SGR", "0100nnnn00111010", | |
827 | "if (SR_MD)", | |
828 | " SGR = R[n]; /* priv mode */", | |
829 | "else", | |
830 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 831 | }, |
ae0a84af CV |
832 | { "", "n", "ldc <REG_N>,TBR", "0100nnnn01001010", |
833 | "if (SR_MD)", /* FIXME? */ | |
834 | " TBR = R[n]; /* priv mode */", | |
835 | "else", | |
836 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
837 | }, | |
b939d772 | 838 | { "n", "n", "ldc.l @<REG_N>+,<CREG_M>", "0100nnnnmmmm0111", |
c906108c | 839 | "MA (1);", |
63978407 | 840 | "CREG (m) = RLAT (R[n]);", |
c906108c SS |
841 | "R[n] += 4;", |
842 | "/* FIXME: user mode */", | |
843 | }, | |
b939d772 | 844 | { "n", "n", "ldc.l @<REG_N>+,SR", "0100nnnn00000111", |
c906108c SS |
845 | "MA (1);", |
846 | "SET_SR (RLAT (R[n]));", | |
847 | "R[n] += 4;", | |
848 | "/* FIXME: user mode */", | |
849 | }, | |
b939d772 | 850 | { "n", "n", "ldc.l @<REG_N>+,MOD", "0100nnnn01010111", |
c906108c | 851 | "MA (1);", |
63978407 | 852 | "SET_MOD (RLAT (R[n]));", |
c906108c | 853 | "R[n] += 4;", |
c906108c | 854 | }, |
b939d772 | 855 | { "n", "n", "ldc.l @<REG_N>+,DBR", "0100nnnn11110110", |
86bc60eb MS |
856 | "if (SR_MD)", |
857 | "{ /* priv mode */", | |
858 | " MA (1);", | |
859 | " DBR = RLAT (R[n]);", | |
860 | " R[n] += 4;", | |
861 | "}", | |
862 | "else", | |
863 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
864 | }, | |
865 | { "n", "n", "ldc.l @<REG_N>+,SGR", "0100nnnn00110110", | |
866 | "if (SR_MD)", | |
867 | "{ /* priv mode */", | |
868 | " MA (1);", | |
869 | " SGR = RLAT (R[n]);", | |
870 | " R[n] += 4;", | |
871 | "}", | |
872 | "else", | |
873 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 874 | }, |
63978407 JR |
875 | |
876 | /* sh-dsp */ | |
877 | { "", "", "ldre @(<disp>,PC)", "10001110i8p1....", | |
878 | "RE = SEXT (i) * 2 + 4 + PH2T (PC);", | |
c906108c | 879 | }, |
63978407 JR |
880 | { "", "", "ldrs @(<disp>,PC)", "10001100i8p1....", |
881 | "RS = SEXT (i) * 2 + 4 + PH2T (PC);", | |
c906108c SS |
882 | }, |
883 | ||
86bc60eb MS |
884 | /* sh4a */ |
885 | { "", "n", "ldrc <REG_N>", "0100nnnn00110100", | |
886 | "SET_RC (R[n]);", | |
887 | "loop = get_loop_bounds_ext (RS, RE, memory, mem_end, maskw, endianw);", | |
888 | "CHECK_INSN_PTR (insn_ptr);", | |
889 | "RE |= 1;", | |
890 | }, | |
891 | { "", "", "ldrc #<imm>", "10001010i8*1....", | |
892 | "SET_RC (i);", | |
893 | "loop = get_loop_bounds_ext (RS, RE, memory, mem_end, maskw, endianw);", | |
894 | "CHECK_INSN_PTR (insn_ptr);", | |
895 | "RE |= 1;", | |
896 | }, | |
897 | ||
63978407 JR |
898 | { "", "n", "lds <REG_N>,<SREG_M>", "0100nnnnssss1010", |
899 | "SREG (m) = R[n];", | |
c906108c | 900 | }, |
b939d772 | 901 | { "n", "n", "lds.l @<REG_N>+,<SREG_M>", "0100nnnnssss0110", |
c906108c | 902 | "MA (1);", |
87acb4a7 | 903 | "SREG (m) = RLAT (R[n]);", |
c906108c SS |
904 | "R[n] += 4;", |
905 | }, | |
2bc8946d | 906 | /* sh2e / sh-dsp (lds <REG_N>,DSR) */ |
63978407 | 907 | { "", "n", "lds <REG_N>,FPSCR", "0100nnnn01101010", |
87acb4a7 | 908 | "SET_FPSCR (R[n]);", |
c906108c | 909 | }, |
2bc8946d | 910 | /* sh2e / sh-dsp (lds.l @<REG_N>+,DSR) */ |
b939d772 | 911 | { "n", "n", "lds.l @<REG_N>+,FPSCR", "0100nnnn01100110", |
c906108c | 912 | "MA (1);", |
87acb4a7 | 913 | "SET_FPSCR (RLAT (R[n]));", |
c906108c SS |
914 | "R[n] += 4;", |
915 | }, | |
916 | ||
c906108c | 917 | { "", "", "ldtlb", "0000000000111000", |
e343a93a | 918 | "/* We don't implement cache or tlb, so this is a noop. */", |
c906108c SS |
919 | }, |
920 | ||
b939d772 | 921 | { "nm", "nm", "mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111", |
4ae0cff4 | 922 | "macl (&R0, memory, n, m);", |
c906108c SS |
923 | }, |
924 | ||
b939d772 | 925 | { "nm", "nm", "mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111", |
4ae0cff4 | 926 | "macw (&R0, memory, n, m, endianw);", |
c906108c SS |
927 | }, |
928 | ||
929 | { "n", "", "mov #<imm>,<REG_N>", "1110nnnni8*1....", | |
87acb4a7 | 930 | "R[n] = SEXT (i);", |
c906108c | 931 | }, |
ae0a84af CV |
932 | { "n", "", "movi20 #<imm20>,<REG_N>", "0000nnnni8*10000", |
933 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
934 | "R[n] = ((i << 24) >> 12) | RIAT (nip);", | |
935 | "SET_NIP (nip + 2); /* Consume 2 more bytes. */", | |
936 | }, | |
937 | { "n", "", "movi20s #<imm20>,<REG_N>", "0000nnnni8*10001", | |
938 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
939 | "R[n] = ((((i & 0xf0) << 24) >> 12) | RIAT (nip)) << 8;", | |
940 | "SET_NIP (nip + 2); /* Consume 2 more bytes. */", | |
941 | }, | |
c906108c SS |
942 | { "n", "m", "mov <REG_M>,<REG_N>", "0110nnnnmmmm0011", |
943 | "R[n] = R[m];", | |
944 | }, | |
945 | ||
946 | { "0", "", "mov.b @(<disp>,GBR),R0", "11000100i8*1....", | |
947 | "MA (1);", | |
948 | "R0 = RSBAT (i + GBR);", | |
949 | "L (0);", | |
950 | }, | |
951 | { "0", "m", "mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1", | |
952 | "MA (1);", | |
953 | "R0 = RSBAT (i + R[m]);", | |
954 | "L (0);", | |
955 | }, | |
956 | { "n", "0m", "mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100", | |
957 | "MA (1);", | |
958 | "R[n] = RSBAT (R0 + R[m]);", | |
959 | "L (n);", | |
960 | }, | |
b939d772 | 961 | { "nm", "m", "mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100", |
c906108c SS |
962 | "MA (1);", |
963 | "R[n] = RSBAT (R[m]);", | |
964 | "R[m] += 1;", | |
965 | "L (n);", | |
966 | }, | |
ae0a84af CV |
967 | { "0n", "n", "mov.b @-<REG_N>,R0", "0100nnnn11001011", |
968 | "MA (1);", | |
969 | "R[n] -= 1;", | |
970 | "R0 = RSBAT (R[n]);", | |
971 | "L (0);", | |
972 | }, | |
c906108c SS |
973 | { "", "mn", "mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000", |
974 | "MA (1);", | |
975 | "WBAT (R[n], R[m]);", | |
976 | }, | |
977 | { "", "0", "mov.b R0,@(<disp>,GBR)", "11000000i8*1....", | |
978 | "MA (1);", | |
979 | "WBAT (i + GBR, R0);", | |
980 | }, | |
981 | { "", "m0", "mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1", | |
982 | "MA (1);", | |
983 | "WBAT (i + R[m], R0);", | |
984 | }, | |
985 | { "", "mn0", "mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100", | |
986 | "MA (1);", | |
987 | "WBAT (R[n] + R0, R[m]);", | |
988 | }, | |
b939d772 | 989 | { "n", "nm", "mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", |
6a1754a3 DJ |
990 | /* Allow for the case where m == n. */ |
991 | "int t = R[m];", | |
c906108c SS |
992 | "MA (1);", |
993 | "R[n] -= 1;", | |
6a1754a3 | 994 | "WBAT (R[n], t);", |
c906108c | 995 | }, |
ae0a84af CV |
996 | { "n", "n0", "mov.b R0,@<REG_N>+", "0100nnnn10001011", |
997 | "MA (1);", | |
998 | "WBAT (R[n], R0);", | |
999 | "R[n] += 1;", | |
1000 | }, | |
c906108c SS |
1001 | { "n", "m", "mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000", |
1002 | "MA (1);", | |
1003 | "R[n] = RSBAT (R[m]);", | |
1004 | "L (n);", | |
1005 | }, | |
1006 | ||
1007 | { "0", "", "mov.l @(<disp>,GBR),R0", "11000110i8*4....", | |
1008 | "MA (1);", | |
1009 | "R0 = RLAT (i + GBR);", | |
1010 | "L (0);", | |
1011 | }, | |
1012 | { "n", "", "mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....", | |
4d439271 | 1013 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 1014 | "MA (1);", |
63978407 | 1015 | "R[n] = RLAT ((PH2T (PC) & ~3) + 4 + i);", |
c906108c SS |
1016 | "L (n);", |
1017 | }, | |
1018 | { "n", "m", "mov.l @(<disp>,<REG_M>),<REG_N>", "0101nnnnmmmmi4*4", | |
1019 | "MA (1);", | |
1020 | "R[n] = RLAT (i + R[m]);", | |
1021 | "L (n);", | |
1022 | }, | |
1023 | { "n", "m0", "mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110", | |
1024 | "MA (1);", | |
1025 | "R[n] = RLAT (R0 + R[m]);", | |
1026 | "L (n);", | |
1027 | }, | |
1028 | { "nm", "m", "mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110", | |
1029 | "MA (1);", | |
1030 | "R[n] = RLAT (R[m]);", | |
1031 | "R[m] += 4;", | |
1032 | "L (n);", | |
1033 | }, | |
ae0a84af CV |
1034 | { "0n", "n", "mov.l @-<REG_N>,R0", "0100nnnn11101011", |
1035 | "MA (1);", | |
1036 | "R[n] -= 4;", | |
1037 | "R0 = RLAT (R[n]);", | |
1038 | "L (0);", | |
1039 | }, | |
c906108c SS |
1040 | { "n", "m", "mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010", |
1041 | "MA (1);", | |
1042 | "R[n] = RLAT (R[m]);", | |
1043 | "L (n);", | |
1044 | }, | |
1045 | { "", "0", "mov.l R0,@(<disp>,GBR)", "11000010i8*4....", | |
1046 | "MA (1);", | |
1047 | "WLAT (i + GBR, R0);", | |
1048 | }, | |
1049 | { "", "nm", "mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4", | |
1050 | "MA (1);", | |
1051 | "WLAT (i + R[n], R[m]);", | |
1052 | }, | |
1053 | { "", "nm0", "mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110", | |
1054 | "MA (1);", | |
1055 | "WLAT (R0 + R[n], R[m]);", | |
1056 | }, | |
b939d772 | 1057 | { "n", "nm", "mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", |
6a1754a3 DJ |
1058 | /* Allow for the case where m == n. */ |
1059 | "int t = R[m];", | |
c906108c SS |
1060 | "MA (1) ;", |
1061 | "R[n] -= 4;", | |
6a1754a3 | 1062 | "WLAT (R[n], t);", |
c906108c | 1063 | }, |
ae0a84af CV |
1064 | { "n", "n0", "mov.l R0,@<REG_N>+", "0100nnnn10101011", |
1065 | "MA (1) ;", | |
1066 | "WLAT (R[n], R0);", | |
1067 | "R[n] += 4;", | |
1068 | }, | |
c906108c SS |
1069 | { "", "nm", "mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010", |
1070 | "MA (1);", | |
1071 | "WLAT (R[n], R[m]);", | |
1072 | }, | |
1073 | ||
1074 | { "0", "", "mov.w @(<disp>,GBR),R0", "11000101i8*2....", | |
8dc30ef7 MS |
1075 | "MA (1);", |
1076 | "R0 = RSWAT (i + GBR);", | |
c906108c SS |
1077 | "L (0);", |
1078 | }, | |
1079 | { "n", "", "mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....", | |
4d439271 | 1080 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 1081 | "MA (1);", |
63978407 | 1082 | "R[n] = RSWAT (PH2T (PC + 4 + i));", |
c906108c SS |
1083 | "L (n);", |
1084 | }, | |
1085 | { "0", "m", "mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2", | |
1086 | "MA (1);", | |
1087 | "R0 = RSWAT (i + R[m]);", | |
1088 | "L (0);", | |
1089 | }, | |
1090 | { "n", "m0", "mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101", | |
1091 | "MA (1);", | |
1092 | "R[n] = RSWAT (R0 + R[m]);", | |
1093 | "L (n);", | |
1094 | }, | |
1095 | { "nm", "n", "mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101", | |
1096 | "MA (1);", | |
1097 | "R[n] = RSWAT (R[m]);", | |
1098 | "R[m] += 2;", | |
1099 | "L (n);", | |
1100 | }, | |
ae0a84af CV |
1101 | { "0n", "n", "mov.w @-<REG_N>,R0", "0100nnnn11011011", |
1102 | "MA (1);", | |
1103 | "R[n] -= 2;", | |
1104 | "R0 = RSWAT (R[n]);", | |
1105 | "L (0);", | |
1106 | }, | |
c906108c SS |
1107 | { "n", "m", "mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001", |
1108 | "MA (1);", | |
1109 | "R[n] = RSWAT (R[m]);", | |
1110 | "L (n);", | |
1111 | }, | |
1112 | { "", "0", "mov.w R0,@(<disp>,GBR)", "11000001i8*2....", | |
1113 | "MA (1);", | |
1114 | "WWAT (i + GBR, R0);", | |
1115 | }, | |
1116 | { "", "0m", "mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2", | |
1117 | "MA (1);", | |
1118 | "WWAT (i + R[m], R0);", | |
1119 | }, | |
1120 | { "", "m0n", "mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101", | |
1121 | "MA (1);", | |
1122 | "WWAT (R0 + R[n], R[m]);", | |
1123 | }, | |
1124 | { "n", "mn", "mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", | |
6a1754a3 DJ |
1125 | /* Allow for the case where m == n. */ |
1126 | "int t = R[m];", | |
c906108c SS |
1127 | "MA (1);", |
1128 | "R[n] -= 2;", | |
6a1754a3 | 1129 | "WWAT (R[n], t);", |
c906108c | 1130 | }, |
ae0a84af CV |
1131 | { "n", "0n", "mov.w R0,@<REG_N>+", "0100nnnn10011011", |
1132 | "MA (1);", | |
1133 | "WWAT (R[n], R0);", | |
1134 | "R[n] += 2;", | |
1135 | }, | |
c906108c SS |
1136 | { "", "nm", "mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001", |
1137 | "MA (1);", | |
1138 | "WWAT (R[n], R[m]);", | |
1139 | }, | |
1140 | ||
1141 | { "0", "", "mova @(<disp>,PC),R0", "11000111i8p4....", | |
4d439271 | 1142 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 | 1143 | "R0 = ((i + 4 + PH2T (PC)) & ~0x3);", |
c906108c SS |
1144 | }, |
1145 | ||
d2f18ae4 MS |
1146 | { "", "n0", "movca.l R0, @<REG_N>", "0000nnnn11000011", |
1147 | "/* We don't simulate cache, so this insn is identical to mov. */", | |
1148 | "MA (1);", | |
1149 | "WLAT (R[n], R[0]);", | |
7a292a7a SS |
1150 | }, |
1151 | ||
0145ab2e | 1152 | { "", "n0", "movco.l R0, @<REG_N>", "0000nnnn01110011", |
86bc60eb MS |
1153 | "/* LDST -> T */", |
1154 | "SET_SR_T (LDST);", | |
1155 | "/* if (T) R0 -> (Rn) */", | |
1156 | "if (T)", | |
1157 | " WLAT (R[n], R[0]);", | |
1158 | "/* 0 -> LDST */", | |
1159 | "SET_LDST (0);", | |
1160 | }, | |
1161 | ||
1162 | { "0", "n", "movli.l @<REG_N>, R0", "0000nnnn01100011", | |
1163 | "/* 1 -> LDST */", | |
1164 | "SET_LDST (1);", | |
1165 | "/* (Rn) -> R0 */", | |
1166 | "R[0] = RLAT (R[n]);", | |
1167 | "/* if (interrupt/exception) 0 -> LDST */", | |
1168 | "/* (we don't simulate asynchronous interrupts/exceptions) */", | |
1169 | }, | |
1170 | ||
c906108c SS |
1171 | { "n", "", "movt <REG_N>", "0000nnnn00101001", |
1172 | "R[n] = T;", | |
1173 | }, | |
ae0a84af CV |
1174 | { "", "", "movrt <REG_N>", "0000nnnn00111001", |
1175 | "R[n] = (T == 0);", | |
1176 | }, | |
86bc60eb MS |
1177 | { "0", "n", "movua.l @<REG_N>,R0", "0100nnnn10101001", |
1178 | "int regn = R[n];", | |
ae0a84af | 1179 | "int e = target_little_endian ? 3 : 0;", |
86bc60eb | 1180 | "MA (1);", |
ae0a84af CV |
1181 | "R[0] = (RBAT (regn + (0^e)) << 24) + (RBAT (regn + (1^e)) << 16) + ", |
1182 | " (RBAT (regn + (2^e)) << 8) + RBAT (regn + (3^e));", | |
915213a4 | 1183 | "L (0);", |
86bc60eb MS |
1184 | }, |
1185 | { "0n", "n", "movua.l @<REG_N>+,R0", "0100nnnn11101001", | |
1186 | "int regn = R[n];", | |
ae0a84af | 1187 | "int e = target_little_endian ? 3 : 0;", |
86bc60eb | 1188 | "MA (1);", |
ae0a84af CV |
1189 | "R[0] = (RBAT (regn + (0^e)) << 24) + (RBAT (regn + (1^e)) << 16) + ", |
1190 | " (RBAT (regn + (2^e)) << 8) + RBAT (regn + (3^e));", | |
86bc60eb | 1191 | "R[n] += 4;", |
915213a4 | 1192 | "L (0);", |
86bc60eb | 1193 | }, |
c906108c | 1194 | { "", "mn", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", |
86bc60eb | 1195 | "MACL = ((int) R[n]) * ((int) R[m]);", |
c906108c | 1196 | }, |
86bc60eb MS |
1197 | #if 0 /* FIXME: The above cast to int is not really portable. |
1198 | It should be replaced by a SEXT32 macro. */ | |
c906108c SS |
1199 | { "", "nm", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", |
1200 | "MACL = R[n] * R[m];", | |
1201 | }, | |
1202 | #endif | |
1203 | ||
1204 | /* muls.w - see muls */ | |
1205 | { "", "mn", "muls <REG_M>,<REG_N>", "0010nnnnmmmm1111", | |
87acb4a7 | 1206 | "MACL = ((int) (short) R[n]) * ((int) (short) R[m]);", |
c906108c SS |
1207 | }, |
1208 | ||
1209 | /* mulu.w - see mulu */ | |
1210 | { "", "mn", "mulu <REG_M>,<REG_N>", "0010nnnnmmmm1110", | |
87acb4a7 MS |
1211 | "MACL = (((unsigned int) (unsigned short) R[n])", |
1212 | " * ((unsigned int) (unsigned short) R[m]));", | |
c906108c SS |
1213 | }, |
1214 | ||
1215 | { "n", "m", "neg <REG_M>,<REG_N>", "0110nnnnmmmm1011", | |
1216 | "R[n] = - R[m];", | |
1217 | }, | |
1218 | ||
1219 | { "n", "m", "negc <REG_M>,<REG_N>", "0110nnnnmmmm1010", | |
1220 | "ult = -T;", | |
1221 | "SET_SR_T (ult > 0);", | |
1222 | "R[n] = ult - R[m];", | |
1223 | "SET_SR_T (T || (R[n] > ult));", | |
1224 | }, | |
1225 | ||
1226 | { "", "", "nop", "0000000000001001", | |
1227 | "/* nop */", | |
1228 | }, | |
1229 | ||
1230 | { "n", "m", "not <REG_M>,<REG_N>", "0110nnnnmmmm0111", | |
1231 | "R[n] = ~R[m];", | |
1232 | }, | |
1233 | ||
86bc60eb MS |
1234 | /* sh4a */ |
1235 | { "", "n", "icbi @<REG_N>", "0000nnnn11100011", | |
1236 | "/* Except for the effect on the cache - which is not simulated -", | |
1237 | " this is like a nop. */", | |
1238 | }, | |
1239 | ||
b939d772 | 1240 | { "", "n", "ocbi @<REG_N>", "0000nnnn10010011", |
e343a93a | 1241 | "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */", |
b939d772 | 1242 | "/* FIXME: Cache not implemented */", |
7a292a7a SS |
1243 | }, |
1244 | ||
b939d772 | 1245 | { "", "n", "ocbp @<REG_N>", "0000nnnn10100011", |
e343a93a | 1246 | "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */", |
b939d772 | 1247 | "/* FIXME: Cache not implemented */", |
7a292a7a SS |
1248 | }, |
1249 | ||
1250 | { "", "n", "ocbwb @<REG_N>", "0000nnnn10110011", | |
e343a93a | 1251 | "RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */", |
7a292a7a SS |
1252 | "/* FIXME: Cache not implemented */", |
1253 | }, | |
1254 | ||
c906108c SS |
1255 | { "0", "", "or #<imm>,R0", "11001011i8*1....", |
1256 | "R0 |= i;", | |
1257 | }, | |
1258 | { "n", "m", "or <REG_M>,<REG_N>", "0010nnnnmmmm1011", | |
1259 | "R[n] |= R[m];", | |
1260 | }, | |
1261 | { "", "0", "or.b #<imm>,@(R0,GBR)", "11001111i8*1....", | |
1262 | "MA (1);", | |
1263 | "WBAT (R0 + GBR, (RBAT (R0 + GBR) | i));", | |
1264 | }, | |
1265 | ||
1266 | { "", "n", "pref @<REG_N>", "0000nnnn10000011", | |
1267 | "/* Except for the effect on the cache - which is not simulated -", | |
1268 | " this is like a nop. */", | |
1269 | }, | |
1270 | ||
86bc60eb MS |
1271 | /* sh4a */ |
1272 | { "", "n", "prefi @<REG_N>", "0000nnnn11010011", | |
1273 | "/* Except for the effect on the cache - which is not simulated -", | |
1274 | " this is like a nop. */", | |
1275 | }, | |
1276 | ||
1277 | /* sh4a */ | |
1278 | { "", "", "synco", "0000000010101011", | |
1279 | "/* Except for the effect on the pipeline - which is not simulated -", | |
1280 | " this is like a nop. */", | |
1281 | }, | |
1282 | ||
c906108c SS |
1283 | { "n", "n", "rotcl <REG_N>", "0100nnnn00100100", |
1284 | "ult = R[n] < 0;", | |
1285 | "R[n] = (R[n] << 1) | T;", | |
1286 | "SET_SR_T (ult);", | |
1287 | }, | |
1288 | ||
1289 | { "n", "n", "rotcr <REG_N>", "0100nnnn00100101", | |
1290 | "ult = R[n] & 1;", | |
1291 | "R[n] = (UR[n] >> 1) | (T << 31);", | |
1292 | "SET_SR_T (ult);", | |
1293 | }, | |
1294 | ||
1295 | { "n", "n", "rotl <REG_N>", "0100nnnn00000100", | |
1296 | "SET_SR_T (R[n] < 0);", | |
1297 | "R[n] <<= 1;", | |
1298 | "R[n] |= T;", | |
1299 | }, | |
1300 | ||
1301 | { "n", "n", "rotr <REG_N>", "0100nnnn00000101", | |
1302 | "SET_SR_T (R[n] & 1);", | |
1303 | "R[n] = UR[n] >> 1;", | |
1304 | "R[n] |= (T << 31);", | |
1305 | }, | |
1306 | ||
1307 | { "", "", "rte", "0000000000101011", | |
1308 | #if 0 | |
1309 | /* SH-[12] */ | |
1310 | "int tmp = PC;", | |
63978407 | 1311 | "SET_NIP (PT2H (RLAT (R[15]) + 2));", |
c906108c SS |
1312 | "R[15] += 4;", |
1313 | "SET_SR (RLAT (R[15]) & 0x3f3);", | |
1314 | "R[15] += 4;", | |
1315 | "Delay_Slot (PC + 2);", | |
1316 | #else | |
ae0a84af | 1317 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
c906108c | 1318 | "SET_SR (SSR);", |
63978407 JR |
1319 | "SET_NIP (PT2H (SPC));", |
1320 | "cycles += 2;", | |
c906108c SS |
1321 | "Delay_Slot (PC + 2);", |
1322 | #endif | |
1323 | }, | |
1324 | ||
1325 | { "", "", "rts", "0000000000001011", | |
ae0a84af | 1326 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 JR |
1327 | "SET_NIP (PT2H (PR));", |
1328 | "cycles += 2;", | |
c906108c SS |
1329 | "Delay_Slot (PC + 2);", |
1330 | }, | |
ae0a84af CV |
1331 | { "", "", "rts/n", "0000000001101011", |
1332 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
1333 | "SET_NIP (PT2H (PR));", | |
1334 | }, | |
1335 | { "0", "n", "rtv/n <REG_N>", "0000nnnn01111011", | |
1336 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", | |
1337 | "R0 = R[n];", | |
1338 | "L (0);", | |
1339 | "SET_NIP (PT2H (PR));", | |
1340 | }, | |
c906108c | 1341 | |
86bc60eb MS |
1342 | /* sh4a */ |
1343 | { "", "", "setdmx", "0000000010011000", | |
1344 | "saved_state.asregs.cregs.named.sr |= SR_MASK_DMX;" | |
1345 | "saved_state.asregs.cregs.named.sr &= ~SR_MASK_DMY;" | |
1346 | }, | |
1347 | ||
1348 | /* sh4a */ | |
1349 | { "", "", "setdmy", "0000000011001000", | |
1350 | "saved_state.asregs.cregs.named.sr |= SR_MASK_DMY;" | |
1351 | "saved_state.asregs.cregs.named.sr &= ~SR_MASK_DMX;" | |
1352 | }, | |
1353 | ||
63978407 JR |
1354 | /* sh-dsp */ |
1355 | { "", "n", "setrc <REG_N>", "0100nnnn00010100", | |
1356 | "SET_RC (R[n]);", | |
1357 | }, | |
b939d772 | 1358 | { "", "", "setrc #<imm>", "10000010i8*1....", |
63978407 JR |
1359 | /* It would be more realistic to let loop_start point to some static |
1360 | memory that contains an illegal opcode and then give a bus error when | |
1361 | the loop is eventually encountered, but it seems not only simpler, | |
1362 | but also more debugging-friendly to just catch the failure here. */ | |
1363 | "if (BUSERROR (RS | RE, maskw))", | |
1364 | " RAISE_EXCEPTION (SIGILL);", | |
1365 | "else {", | |
1366 | " SET_RC (i);", | |
1367 | " loop = get_loop_bounds (RS, RE, memory, mem_end, maskw, endianw);", | |
1368 | " CHECK_INSN_PTR (insn_ptr);", | |
1369 | "}", | |
1370 | }, | |
1371 | ||
c906108c SS |
1372 | { "", "", "sets", "0000000001011000", |
1373 | "SET_SR_S (1);", | |
1374 | }, | |
1375 | ||
1376 | { "", "", "sett", "0000000000011000", | |
1377 | "SET_SR_T (1);", | |
1378 | }, | |
1379 | ||
1380 | { "n", "mn", "shad <REG_M>,<REG_N>", "0100nnnnmmmm1100", | |
a134f341 | 1381 | "R[n] = (R[m] < 0) ? (R[m]&0x1f ? R[n] >> ((-R[m])&0x1f) : R[n] >> 31) : (R[n] << (R[m] & 0x1f));", |
c906108c SS |
1382 | }, |
1383 | ||
1384 | { "n", "n", "shal <REG_N>", "0100nnnn00100000", | |
1385 | "SET_SR_T (R[n] < 0);", | |
1386 | "R[n] <<= 1;", | |
1387 | }, | |
1388 | ||
1389 | { "n", "n", "shar <REG_N>", "0100nnnn00100001", | |
1390 | "SET_SR_T (R[n] & 1);", | |
1391 | "R[n] = R[n] >> 1;", | |
1392 | }, | |
1393 | ||
1394 | { "n", "mn", "shld <REG_M>,<REG_N>", "0100nnnnmmmm1101", | |
a134f341 | 1395 | "R[n] = (R[m] < 0) ? (R[m]&0x1f ? UR[n] >> ((-R[m])&0x1f) : 0): (R[n] << (R[m] & 0x1f));", |
c906108c SS |
1396 | }, |
1397 | ||
1398 | { "n", "n", "shll <REG_N>", "0100nnnn00000000", | |
1399 | "SET_SR_T (R[n] < 0);", | |
1400 | "R[n] <<= 1;", | |
1401 | }, | |
1402 | ||
1403 | { "n", "n", "shll2 <REG_N>", "0100nnnn00001000", | |
1404 | "R[n] <<= 2;", | |
1405 | }, | |
1406 | { "n", "n", "shll8 <REG_N>", "0100nnnn00011000", | |
1407 | "R[n] <<= 8;", | |
1408 | }, | |
1409 | { "n", "n", "shll16 <REG_N>", "0100nnnn00101000", | |
1410 | "R[n] <<= 16;", | |
1411 | }, | |
1412 | ||
1413 | { "n", "n", "shlr <REG_N>", "0100nnnn00000001", | |
1414 | "SET_SR_T (R[n] & 1);", | |
1415 | "R[n] = UR[n] >> 1;", | |
1416 | }, | |
1417 | ||
1418 | { "n", "n", "shlr2 <REG_N>", "0100nnnn00001001", | |
1419 | "R[n] = UR[n] >> 2;", | |
1420 | }, | |
1421 | { "n", "n", "shlr8 <REG_N>", "0100nnnn00011001", | |
1422 | "R[n] = UR[n] >> 8;", | |
1423 | }, | |
1424 | { "n", "n", "shlr16 <REG_N>", "0100nnnn00101001", | |
1425 | "R[n] = UR[n] >> 16;", | |
1426 | }, | |
1427 | ||
1428 | { "", "", "sleep", "0000000000011011", | |
0145ab2e | 1429 | "nip += trap (0xc3, &R0, PC, memory, maskl, maskw, endianw);", |
c906108c SS |
1430 | }, |
1431 | ||
63978407 JR |
1432 | { "n", "", "stc <CREG_M>,<REG_N>", "0000nnnnmmmm0010", |
1433 | "R[n] = CREG (m);", | |
c906108c | 1434 | }, |
63978407 | 1435 | |
7a292a7a | 1436 | { "n", "", "stc SGR,<REG_N>", "0000nnnn00111010", |
86bc60eb MS |
1437 | "if (SR_MD)", |
1438 | " R[n] = SGR; /* priv mode */", | |
1439 | "else", | |
1440 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a SS |
1441 | }, |
1442 | { "n", "", "stc DBR,<REG_N>", "0000nnnn11111010", | |
86bc60eb MS |
1443 | "if (SR_MD)", |
1444 | " R[n] = DBR; /* priv mode */", | |
1445 | "else", | |
1446 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 1447 | }, |
ae0a84af CV |
1448 | { "n", "", "stc TBR,<REG_N>", "0000nnnn01001010", |
1449 | "if (SR_MD)", /* FIXME? */ | |
1450 | " R[n] = TBR; /* priv mode */", | |
1451 | "else", | |
1452 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
1453 | }, | |
63978407 | 1454 | { "n", "n", "stc.l <CREG_M>,@-<REG_N>", "0100nnnnmmmm0011", |
c906108c SS |
1455 | "MA (1);", |
1456 | "R[n] -= 4;", | |
63978407 | 1457 | "WLAT (R[n], CREG (m));", |
c906108c | 1458 | }, |
7a292a7a | 1459 | { "n", "n", "stc.l SGR,@-<REG_N>", "0100nnnn00110010", |
86bc60eb MS |
1460 | "if (SR_MD)", |
1461 | "{ /* priv mode */", | |
1462 | " MA (1);", | |
1463 | " R[n] -= 4;", | |
1464 | " WLAT (R[n], SGR);", | |
1465 | "}", | |
1466 | "else", | |
1467 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a SS |
1468 | }, |
1469 | { "n", "n", "stc.l DBR,@-<REG_N>", "0100nnnn11110010", | |
86bc60eb MS |
1470 | "if (SR_MD)", |
1471 | "{ /* priv mode */", | |
1472 | " MA (1);", | |
1473 | " R[n] -= 4;", | |
1474 | " WLAT (R[n], DBR);", | |
1475 | "}", | |
1476 | "else", | |
1477 | " RAISE_EXCEPTION (SIGILL); /* user mode */", | |
7a292a7a | 1478 | }, |
c906108c | 1479 | |
63978407 JR |
1480 | { "n", "", "sts <SREG_M>,<REG_N>", "0000nnnnssss1010", |
1481 | "R[n] = SREG (m);", | |
c906108c | 1482 | }, |
63978407 | 1483 | { "n", "n", "sts.l <SREG_M>,@-<REG_N>", "0100nnnnssss0010", |
c906108c SS |
1484 | "MA (1);", |
1485 | "R[n] -= 4;", | |
63978407 | 1486 | "WLAT (R[n], SREG (m));", |
c906108c SS |
1487 | }, |
1488 | ||
1489 | { "n", "nm", "sub <REG_M>,<REG_N>", "0011nnnnmmmm1000", | |
1490 | "R[n] -= R[m];", | |
1491 | }, | |
1492 | ||
1493 | { "n", "nm", "subc <REG_M>,<REG_N>", "0011nnnnmmmm1010", | |
1494 | "ult = R[n] - T;", | |
1495 | "SET_SR_T (ult > R[n]);", | |
1496 | "R[n] = ult - R[m];", | |
1497 | "SET_SR_T (T || (R[n] > ult));", | |
1498 | }, | |
1499 | ||
1500 | { "n", "nm", "subv <REG_M>,<REG_N>", "0011nnnnmmmm1011", | |
1501 | "ult = R[n] - R[m];", | |
1502 | "SET_SR_T (((R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", | |
1503 | "R[n] = ult;", | |
1504 | }, | |
1505 | ||
1506 | { "n", "nm", "swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000", | |
1507 | "R[n] = ((R[m] & 0xffff0000)", | |
1508 | " | ((R[m] << 8) & 0xff00)", | |
1509 | " | ((R[m] >> 8) & 0x00ff));", | |
1510 | }, | |
1511 | { "n", "nm", "swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001", | |
1512 | "R[n] = (((R[m] << 16) & 0xffff0000)", | |
1513 | " | ((R[m] >> 16) & 0x00ffff));", | |
1514 | }, | |
1515 | ||
1516 | { "", "n", "tas.b @<REG_N>", "0100nnnn00011011", | |
1517 | "MA (1);", | |
87acb4a7 | 1518 | "ult = RBAT (R[n]);", |
c906108c | 1519 | "SET_SR_T (ult == 0);", |
87acb4a7 | 1520 | "WBAT (R[n],ult|0x80);", |
c906108c SS |
1521 | }, |
1522 | ||
1523 | { "0", "", "trapa #<imm>", "11000011i8*1....", | |
c906108c | 1524 | "long imm = 0xff & i;", |
53f541af | 1525 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
fd8f4948 | 1526 | "if (i < 20 || i == 33 || i == 34 || i == 0xc3)", |
0145ab2e | 1527 | " nip += trap (i, &R0, PC, memory, maskl, maskw, endianw);", |
fd8f4948 | 1528 | #if 0 |
c906108c | 1529 | "else {", |
fd8f4948 | 1530 | /* SH-[12] */ |
87acb4a7 MS |
1531 | " R[15] -= 4;", |
1532 | " WLAT (R[15], GET_SR ());", | |
1533 | " R[15] -= 4;", | |
fd8f4948 | 1534 | " WLAT (R[15], PH2T (PC + 2));", |
c906108c | 1535 | #else |
c906108c | 1536 | "else if (!SR_BL) {", |
87acb4a7 | 1537 | " SSR = GET_SR ();", |
63978407 | 1538 | " SPC = PH2T (PC + 2);", |
87acb4a7 | 1539 | " SET_SR (GET_SR () | SR_MASK_MD | SR_MASK_BL | SR_MASK_RB);", |
c906108c | 1540 | " /* FIXME: EXPEVT = 0x00000160; */", |
c906108c | 1541 | #endif |
fd8f4948 JR |
1542 | " SET_NIP (PT2H (RLAT (VBR + (imm<<2))));", |
1543 | "}", | |
c906108c SS |
1544 | }, |
1545 | ||
1546 | { "", "mn", "tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", | |
1547 | "SET_SR_T ((R[n] & R[m]) == 0);", | |
1548 | }, | |
1549 | { "", "0", "tst #<imm>,R0", "11001000i8*1....", | |
1550 | "SET_SR_T ((R0 & i) == 0);", | |
1551 | }, | |
1552 | { "", "0", "tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", | |
1553 | "MA (1);", | |
1554 | "SET_SR_T ((RBAT (GBR+R0) & i) == 0);", | |
1555 | }, | |
1556 | ||
1557 | { "", "0", "xor #<imm>,R0", "11001010i8*1....", | |
1558 | "R0 ^= i;", | |
1559 | }, | |
1560 | { "n", "mn", "xor <REG_M>,<REG_N>", "0010nnnnmmmm1010", | |
1561 | "R[n] ^= R[m];", | |
1562 | }, | |
1563 | { "", "0", "xor.b #<imm>,@(R0,GBR)", "11001110i8*1....", | |
1564 | "MA (1);", | |
1565 | "ult = RBAT (GBR+R0);", | |
1566 | "ult ^= i;", | |
1567 | "WBAT (GBR + R0, ult);", | |
1568 | }, | |
1569 | ||
1570 | { "n", "nm", "xtrct <REG_M>,<REG_N>", "0010nnnnmmmm1101", | |
1571 | "R[n] = (((R[n] >> 16) & 0xffff)", | |
1572 | " | ((R[m] << 16) & 0xffff0000));", | |
1573 | }, | |
1574 | ||
7a292a7a SS |
1575 | #if 0 |
1576 | { "divs.l <REG_M>,<REG_N>", "0100nnnnmmmm1110", | |
4ae0cff4 | 1577 | "divl (0, R[n], R[m]);", |
7a292a7a SS |
1578 | }, |
1579 | { "divu.l <REG_M>,<REG_N>", "0100nnnnmmmm1101", | |
4ae0cff4 | 1580 | "divl (0, R[n], R[m]);", |
7a292a7a SS |
1581 | }, |
1582 | #endif | |
1583 | ||
c906108c SS |
1584 | {0, 0}}; |
1585 | ||
63978407 JR |
1586 | op movsxy_tab[] = |
1587 | { | |
1588 | /* If this is disabled, the simulator speeds up by about 12% on a | |
1589 | 450 MHz PIII - 9% with ACE_FAST. | |
1590 | Maybe we should have separate simulator loops? */ | |
1591 | #if 1 | |
1592 | { "n", "n", "movs.w @-<REG_N>,<DSP_REG_M>", "111101NNMMMM0000", | |
1593 | "MA (1);", | |
1594 | "R[n] -= 2;", | |
1595 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1596 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1597 | }, | |
1598 | { "", "n", "movs.w @<REG_N>,<DSP_REG_M>", "111101NNMMMM0100", | |
1599 | "MA (1);", | |
1600 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1601 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1602 | }, | |
1603 | { "n", "n", "movs.w @<REG_N>+,<DSP_REG_M>", "111101NNMMMM1000", | |
1604 | "MA (1);", | |
1605 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1606 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1607 | "R[n] += 2;", | |
1608 | }, | |
1609 | { "n", "n8","movs.w @<REG_N>+REG_8,<DSP_REG_M>", "111101NNMMMM1100", | |
1610 | "MA (1);", | |
1611 | "DSP_R (m) = RSWAT (R[n]) << 16;", | |
1612 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1613 | "R[n] += R[8];", | |
1614 | }, | |
1615 | { "n", "n", "movs.w @-<REG_N>,<DSP_GRD_M>", "111101NNGGGG0000", | |
1616 | "MA (1);", | |
1617 | "R[n] -= 2;", | |
1618 | "DSP_R (m) = RSWAT (R[n]);", | |
1619 | }, | |
1620 | { "", "n", "movs.w @<REG_N>,<DSP_GRD_M>", "111101NNGGGG0100", | |
1621 | "MA (1);", | |
1622 | "DSP_R (m) = RSWAT (R[n]);", | |
1623 | }, | |
1624 | { "n", "n", "movs.w @<REG_N>+,<DSP_GRD_M>", "111101NNGGGG1000", | |
1625 | "MA (1);", | |
1626 | "DSP_R (m) = RSWAT (R[n]);", | |
1627 | "R[n] += 2;", | |
1628 | }, | |
1629 | { "n", "n8","movs.w @<REG_N>+REG_8,<DSP_GRD_M>", "111101NNGGGG1100", | |
1630 | "MA (1);", | |
1631 | "DSP_R (m) = RSWAT (R[n]);", | |
1632 | "R[n] += R[8];", | |
1633 | }, | |
e53a5a69 | 1634 | { "n", "n", "movs.w <DSP_REG_M>,@-<REG_N>", "111101NNMMMM0001", |
63978407 JR |
1635 | "MA (1);", |
1636 | "R[n] -= 2;", | |
1637 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1638 | }, | |
1639 | { "", "n", "movs.w <DSP_REG_M>,@<REG_N>", "111101NNMMMM0101", | |
1640 | "MA (1);", | |
1641 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1642 | }, | |
1643 | { "n", "n", "movs.w <DSP_REG_M>,@<REG_N>+", "111101NNMMMM1001", | |
1644 | "MA (1);", | |
1645 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1646 | "R[n] += 2;", | |
1647 | }, | |
1648 | { "n", "n8","movs.w <DSP_REG_M>,@<REG_N>+REG_8", "111101NNMMMM1101", | |
1649 | "MA (1);", | |
1650 | "WWAT (R[n], DSP_R (m) >> 16);", | |
1651 | "R[n] += R[8];", | |
1652 | }, | |
1653 | { "n", "n", "movs.w <DSP_GRD_M>,@-<REG_N>", "111101NNGGGG0001", | |
1654 | "MA (1);", | |
1655 | "R[n] -= 2;", | |
1656 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1657 | }, | |
1658 | { "", "n", "movs.w <DSP_GRD_M>,@<REG_N>", "111101NNGGGG0101", | |
1659 | "MA (1);", | |
1660 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1661 | }, | |
1662 | { "n", "n", "movs.w <DSP_GRD_M>,@<REG_N>+", "111101NNGGGG1001", | |
1663 | "MA (1);", | |
1664 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1665 | "R[n] += 2;", | |
1666 | }, | |
1667 | { "n", "n8","movs.w <DSP_GRD_M>,@<REG_N>+REG_8", "111101NNGGGG1101", | |
1668 | "MA (1);", | |
1669 | "WWAT (R[n], SEXT (DSP_R (m)));", | |
1670 | "R[n] += R[8];", | |
1671 | }, | |
1672 | { "n", "n", "movs.l @-<REG_N>,<DSP_REG_M>", "111101NNMMMM0010", | |
1673 | "MA (1);", | |
1674 | "R[n] -= 4;", | |
1675 | "DSP_R (m) = RLAT (R[n]);", | |
1676 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1677 | }, | |
1678 | { "", "n", "movs.l @<REG_N>,<DSP_REG_M>", "111101NNMMMM0110", | |
1679 | "MA (1);", | |
1680 | "DSP_R (m) = RLAT (R[n]);", | |
1681 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1682 | }, | |
1683 | { "n", "n", "movs.l @<REG_N>+,<DSP_REG_M>", "111101NNMMMM1010", | |
1684 | "MA (1);", | |
1685 | "DSP_R (m) = RLAT (R[n]);", | |
1686 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1687 | "R[n] += 4;", | |
1688 | }, | |
1689 | { "n", "n8","movs.l @<REG_N>+REG_8,<DSP_REG_M>", "111101NNMMMM1110", | |
1690 | "MA (1);", | |
1691 | "DSP_R (m) = RLAT (R[n]);", | |
1692 | "DSP_GRD (m) = SIGN32 (DSP_R (m));", | |
1693 | "R[n] += R[8];", | |
1694 | }, | |
e53a5a69 | 1695 | { "n", "n", "movs.l <DSP_REG_M>,@-<REG_N>", "111101NNMMMM0011", |
63978407 JR |
1696 | "MA (1);", |
1697 | "R[n] -= 4;", | |
1698 | "WLAT (R[n], DSP_R (m));", | |
1699 | }, | |
1700 | { "", "n", "movs.l <DSP_REG_M>,@<REG_N>", "111101NNMMMM0111", | |
1701 | "MA (1);", | |
1702 | "WLAT (R[n], DSP_R (m));", | |
1703 | }, | |
1704 | { "n", "n", "movs.l <DSP_REG_M>,@<REG_N>+", "111101NNMMMM1011", | |
1705 | "MA (1);", | |
1706 | "WLAT (R[n], DSP_R (m));", | |
1707 | "R[n] += 4;", | |
1708 | }, | |
1709 | { "n", "n8","movs.l <DSP_REG_M>,@<REG_N>+REG_8", "111101NNMMMM1111", | |
1710 | "MA (1);", | |
1711 | "WLAT (R[n], DSP_R (m));", | |
1712 | "R[n] += R[8];", | |
1713 | }, | |
e53a5a69 | 1714 | { "n", "n", "movs.l <DSP_GRD_M>,@-<REG_N>", "111101NNGGGG0011", |
63978407 JR |
1715 | "MA (1);", |
1716 | "R[n] -= 4;", | |
1717 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1718 | }, | |
1719 | { "", "n", "movs.l <DSP_GRD_M>,@<REG_N>", "111101NNGGGG0111", | |
1720 | "MA (1);", | |
1721 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1722 | }, | |
1723 | { "n", "n", "movs.l <DSP_GRD_M>,@<REG_N>+", "111101NNGGGG1011", | |
1724 | "MA (1);", | |
1725 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1726 | "R[n] += 4;", | |
1727 | }, | |
1728 | { "n", "n8","movs.l <DSP_GRD_M>,@<REG_N>+REG_8", "111101NNGGGG1111", | |
1729 | "MA (1);", | |
1730 | "WLAT (R[n], SEXT (DSP_R (m)));", | |
1731 | "R[n] += R[8];", | |
1732 | }, | |
86bc60eb | 1733 | { "", "n", "movx.w @<REG_xy>,<DSP_XY>", "111100xyXY0001??", |
63978407 | 1734 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
86bc60eb MS |
1735 | "if (iword & 3)", |
1736 | " {", | |
1737 | " iword &= 0xfd53; goto top;", | |
1738 | " }", | |
1739 | }, | |
1740 | { "", "n", "movx.l @<REG_xy>,<DSP_XY>", "111100xyXY010100", | |
1741 | "DSP_R (m) = RLAT (R[n]);", | |
63978407 | 1742 | }, |
86bc60eb | 1743 | { "n", "n", "movx.w @<REG_xy>+,<DSP_XY>", "111100xyXY0010??", |
63978407 JR |
1744 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1745 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
86bc60eb MS |
1746 | "if (iword & 3)", |
1747 | " {", | |
1748 | " iword &= 0xfd53; goto top;", | |
1749 | " }", | |
1750 | }, | |
1751 | { "n", "n", "movx.l @<REG_xy>+,<DSP_XY>", "111100xyXY011000", | |
1752 | "DSP_R (m) = RLAT (R[n]);", | |
1753 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
63978407 | 1754 | }, |
86bc60eb | 1755 | { "n", "n8","movx.w @<REG_xy>+REG_8,<DSP_XY>", "111100xyXY0011??", |
63978407 JR |
1756 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1757 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
86bc60eb MS |
1758 | "if (iword & 3)", |
1759 | " {", | |
1760 | " iword &= 0xfd53; goto top;", | |
1761 | " }", | |
1762 | }, | |
1763 | { "n", "n8","movx.l @<REG_xy>+REG_8,<DSP_XY>", "111100xyXY011100", | |
1764 | "DSP_R (m) = RLAT (R[n]);", | |
1765 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
63978407 | 1766 | }, |
86bc60eb | 1767 | { "", "n", "movx.w <DSP_Ax>,@<REG_xy>", "111100xyax1001??", |
63978407 | 1768 | "WWAT (R[n], DSP_R (m) >> 16);", |
86bc60eb MS |
1769 | "if (iword & 3)", |
1770 | " {", | |
1771 | " iword &= 0xfd53; goto top;", | |
1772 | " }", | |
1773 | }, | |
1774 | { "", "n", "movx.l <DSP_Ax>,@<REG_xy>", "111100xyax110100", | |
1775 | "WLAT (R[n], DSP_R (m));", | |
63978407 | 1776 | }, |
86bc60eb | 1777 | { "n", "n", "movx.w <DSP_Ax>,@<REG_xy>+", "111100xyax1010??", |
63978407 JR |
1778 | "WWAT (R[n], DSP_R (m) >> 16);", |
1779 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
86bc60eb MS |
1780 | "if (iword & 3)", |
1781 | " {", | |
1782 | " iword &= 0xfd53; goto top;", | |
1783 | " }", | |
63978407 | 1784 | }, |
86bc60eb MS |
1785 | { "n", "n", "movx.l <DSP_Ax>,@<REG_xy>+", "111100xyax111000", |
1786 | "WLAT (R[n], DSP_R (m));", | |
1787 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
1788 | }, | |
1789 | { "n", "n8","movx.w <DSP_Ax>,@<REG_xy>+REG_8","111100xyax1011??", | |
63978407 JR |
1790 | "WWAT (R[n], DSP_R (m) >> 16);", |
1791 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
86bc60eb MS |
1792 | "if (iword & 3)", |
1793 | " {", | |
1794 | " iword &= 0xfd53; goto top;", | |
1795 | " }", | |
1796 | }, | |
1797 | { "n", "n8","movx.l <DSP_Ax>,@<REG_xy>+REG_8","111100xyax111100", | |
1798 | "WLAT (R[n], DSP_R (m));", | |
1799 | "R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];", | |
63978407 | 1800 | }, |
86bc60eb | 1801 | { "", "n", "movy.w @<REG_yx>,<DSP_YX>", "111100yxYX000001", |
63978407 JR |
1802 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1803 | }, | |
86bc60eb | 1804 | { "n", "n", "movy.w @<REG_yx>+,<DSP_YX>", "111100yxYX000010", |
63978407 JR |
1805 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1806 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
1807 | }, | |
86bc60eb | 1808 | { "n", "n9","movy.w @<REG_yx>+REG_9,<DSP_YX>", "111100yxYX000011", |
63978407 JR |
1809 | "DSP_R (m) = RSWAT (R[n]) << 16;", |
1810 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1811 | }, | |
86bc60eb | 1812 | { "", "n", "movy.w <DSP_Ay>,@<REG_yx>", "111100yxAY010001", |
63978407 JR |
1813 | "WWAT (R[n], DSP_R (m) >> 16);", |
1814 | }, | |
86bc60eb | 1815 | { "n", "n", "movy.w <DSP_Ay>,@<REG_yx>+", "111100yxAY010010", |
63978407 JR |
1816 | "WWAT (R[n], DSP_R (m) >> 16);", |
1817 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;", | |
1818 | }, | |
86bc60eb | 1819 | { "n", "n9", "movy.w <DSP_Ay>,@<REG_yx>+REG_9", "111100yxAY010011", |
63978407 JR |
1820 | "WWAT (R[n], DSP_R (m) >> 16);", |
1821 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1822 | }, | |
86bc60eb MS |
1823 | { "", "n", "movy.l @<REG_yx>,<DSP_YX>", "111100yxYX100001", |
1824 | "DSP_R (m) = RLAT (R[n]);", | |
1825 | }, | |
1826 | { "n", "n", "movy.l @<REG_yx>+,<DSP_YX>", "111100yxYX100010", | |
1827 | "DSP_R (m) = RLAT (R[n]);", | |
1828 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
1829 | }, | |
1830 | { "n", "n9","movy.l @<REG_yx>+REG_9,<DSP_YX>", "111100yxYX100011", | |
1831 | "DSP_R (m) = RLAT (R[n]);", | |
1832 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1833 | }, | |
1834 | { "", "n", "movy.l <DSP_Ay>,@<REG_yx>", "111100yxAY110001", | |
1835 | "WLAT (R[n], DSP_R (m));", | |
1836 | }, | |
1837 | { "n", "n", "movy.l <DSP_Ay>,@<REG_yx>+", "111100yxAY110010", | |
1838 | "WLAT (R[n], DSP_R (m));", | |
1839 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 4;", | |
1840 | }, | |
1841 | { "n", "n9", "movy.l <DSP_Ay>,@<REG_yx>+REG_9", "111100yxAY110011", | |
1842 | "WLAT (R[n], DSP_R (m));", | |
1843 | "R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];", | |
1844 | }, | |
63978407 JR |
1845 | { "", "", "nopx nopy", "1111000000000000", |
1846 | "/* nop */", | |
1847 | }, | |
1848 | { "", "", "ppi", "1111100000000000", | |
ae0a84af | 1849 | "RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();", |
63978407 | 1850 | "ppi_insn (RIAT (nip));", |
ae0a84af | 1851 | "SET_NIP (nip + 2);", |
63978407 JR |
1852 | "iword &= 0xf7ff; goto top;", |
1853 | }, | |
1854 | #endif | |
1855 | {0, 0}}; | |
1856 | ||
1857 | op ppi_tab[] = | |
1858 | { | |
1859 | { "","", "pshl #<imm>,dz", "00000iiim16.zzzz", | |
1860 | "int Sz = DSP_R (z) & 0xffff0000;", | |
1861 | "", | |
437b0e60 | 1862 | "if (i <= 16)", |
63978407 JR |
1863 | " res = Sz << i;", |
1864 | "else if (i >= 128 - 16)", | |
437b0e60 | 1865 | " res = (unsigned) Sz >> 128 - i; /* no sign extension */", |
8f1e3ff5 | 1866 | "else", |
63978407 JR |
1867 | " {", |
1868 | " RAISE_EXCEPTION (SIGILL);", | |
1869 | " return;", | |
1870 | " }", | |
1871 | "res &= 0xffff0000;", | |
1872 | "res_grd = 0;", | |
1873 | "goto logical;", | |
1874 | }, | |
1875 | { "","", "psha #<imm>,dz", "00010iiim32.zzzz", | |
1876 | "int Sz = DSP_R (z);", | |
1877 | "int Sz_grd = GET_DSP_GRD (z);", | |
1878 | "", | |
437b0e60 | 1879 | "if (i <= 32)", |
63978407 | 1880 | " {", |
8f1e3ff5 | 1881 | " if (i == 32)", |
63978407 JR |
1882 | " {", |
1883 | " res = 0;", | |
1884 | " res_grd = Sz;", | |
1885 | " }", | |
1886 | " else", | |
1887 | " {", | |
1888 | " res = Sz << i;", | |
1889 | " res_grd = Sz_grd << i | (unsigned) Sz >> 32 - i;", | |
1890 | " }", | |
1891 | " res_grd = SEXT (res_grd);", | |
1892 | " carry = res_grd & 1;", | |
1893 | " }", | |
1894 | "else if (i >= 96)", | |
1895 | " {", | |
1896 | " i = 128 - i;", | |
8f1e3ff5 | 1897 | " if (i == 32)", |
63978407 JR |
1898 | " {", |
1899 | " res_grd = SIGN32 (Sz_grd);", | |
1900 | " res = Sz_grd;", | |
1901 | " }", | |
1902 | " else", | |
1903 | " {", | |
1904 | " res = Sz >> i | Sz_grd << 32 - i;", | |
1905 | " res_grd = Sz_grd >> i;", | |
1906 | " }", | |
1907 | " carry = Sz >> (i - 1) & 1;", | |
1908 | " }", | |
8f1e3ff5 | 1909 | "else", |
63978407 JR |
1910 | " {", |
1911 | " RAISE_EXCEPTION (SIGILL);", | |
1912 | " return;", | |
1913 | " }", | |
1914 | "COMPUTE_OVERFLOW;", | |
1915 | "greater_equal = 0;", | |
1916 | }, | |
1917 | { "","", "pmuls Se,Sf,Dg", "0100eeffxxyygguu", | |
fcfae95c | 1918 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", |
63978407 JR |
1919 | "if (res == 0x80000000)", |
1920 | " res = 0x7fffffff;", | |
1921 | "DSP_R (g) = res;", | |
1922 | "DSP_GRD (g) = SIGN32 (res);", | |
1923 | "return;", | |
1924 | }, | |
1925 | { "","", "psub Sx,Sy,Du pmuls Se,Sf,Dg", "0110eeffxxyygguu", | |
1926 | "int Sx = DSP_R (x);", | |
1927 | "int Sx_grd = GET_DSP_GRD (x);", | |
1928 | "int Sy = DSP_R (y);", | |
1929 | "int Sy_grd = SIGN32 (Sy);", | |
1930 | "", | |
fcfae95c | 1931 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", |
63978407 JR |
1932 | "if (res == 0x80000000)", |
1933 | " res = 0x7fffffff;", | |
1934 | "DSP_R (g) = res;", | |
1935 | "DSP_GRD (g) = SIGN32 (res);", | |
1936 | "", | |
1937 | "z = u;", | |
1938 | "res = Sx - Sy;", | |
1939 | "carry = (unsigned) res > (unsigned) Sx;", | |
1940 | "res_grd = Sx_grd - Sy_grd - carry;", | |
1941 | "COMPUTE_OVERFLOW;", | |
1942 | "ADD_SUB_GE;", | |
1943 | }, | |
1944 | { "","", "padd Sx,Sy,Du pmuls Se,Sf,Dg", "0111eeffxxyygguu", | |
1945 | "int Sx = DSP_R (x);", | |
1946 | "int Sx_grd = GET_DSP_GRD (x);", | |
1947 | "int Sy = DSP_R (y);", | |
1948 | "int Sy_grd = SIGN32 (Sy);", | |
1949 | "", | |
fcfae95c | 1950 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", |
63978407 JR |
1951 | "if (res == 0x80000000)", |
1952 | " res = 0x7fffffff;", | |
1953 | "DSP_R (g) = res;", | |
1954 | "DSP_GRD (g) = SIGN32 (res);", | |
1955 | "", | |
1956 | "z = u;", | |
1957 | "res = Sx + Sy;", | |
1958 | "carry = (unsigned) res < (unsigned) Sx;", | |
1959 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1960 | "COMPUTE_OVERFLOW;", | |
1961 | }, | |
1962 | { "","", "psubc Sx,Sy,Dz", "10100000xxyyzzzz", | |
1963 | "int Sx = DSP_R (x);", | |
1964 | "int Sx_grd = GET_DSP_GRD (x);", | |
1965 | "int Sy = DSP_R (y);", | |
1966 | "int Sy_grd = SIGN32 (Sy);", | |
1967 | "", | |
1968 | "res = Sx - Sy - (DSR & 1);", | |
1969 | "carry = (unsigned) res > (unsigned) Sx || (res == Sx && Sy);", | |
1970 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1971 | "COMPUTE_OVERFLOW;", | |
1972 | "ADD_SUB_GE;", | |
1973 | "DSR &= ~0xf1;\n", | |
1974 | "if (res || res_grd)\n", | |
1975 | " DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n", | |
1976 | "else\n", | |
1977 | " DSR |= DSR_MASK_Z | overflow;\n", | |
1978 | "DSR |= carry;\n", | |
1979 | "goto assign_z;\n", | |
1980 | }, | |
1981 | { "","", "paddc Sx,Sy,Dz", "10110000xxyyzzzz", | |
1982 | "int Sx = DSP_R (x);", | |
1983 | "int Sx_grd = GET_DSP_GRD (x);", | |
1984 | "int Sy = DSP_R (y);", | |
1985 | "int Sy_grd = SIGN32 (Sy);", | |
1986 | "", | |
1987 | "res = Sx + Sy + (DSR & 1);", | |
1988 | "carry = (unsigned) res < (unsigned) Sx || (res == Sx && Sy);", | |
1989 | "res_grd = Sx_grd + Sy_grd + carry;", | |
1990 | "COMPUTE_OVERFLOW;", | |
1991 | "ADD_SUB_GE;", | |
1992 | "DSR &= ~0xf1;\n", | |
1993 | "if (res || res_grd)\n", | |
1994 | " DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n", | |
1995 | "else\n", | |
1996 | " DSR |= DSR_MASK_Z | overflow;\n", | |
1997 | "DSR |= carry;\n", | |
1998 | "goto assign_z;\n", | |
1999 | }, | |
86bc60eb | 2000 | { "","", "pcmp Sx,Sy", "10000100xxyyzzzz", |
63978407 JR |
2001 | "int Sx = DSP_R (x);", |
2002 | "int Sx_grd = GET_DSP_GRD (x);", | |
2003 | "int Sy = DSP_R (y);", | |
2004 | "int Sy_grd = SIGN32 (Sy);", | |
2005 | "", | |
2006 | "z = 17; /* Ignore result. */", | |
2007 | "res = Sx - Sy;", | |
2008 | "carry = (unsigned) res > (unsigned) Sx;", | |
2009 | "res_grd = Sx_grd - Sy_grd - carry;", | |
2010 | "COMPUTE_OVERFLOW;", | |
2011 | "ADD_SUB_GE;", | |
2012 | }, | |
2013 | { "","", "pwsb Sx,Sy,Dz", "10100100xxyyzzzz", | |
2014 | }, | |
2015 | { "","", "pwad Sx,Sy,Dz", "10110100xxyyzzzz", | |
2016 | }, | |
86bc60eb MS |
2017 | { "","", "(if cc) pabs Sx,Dz", "100010ccxx01zzzz", |
2018 | "/* FIXME: duplicate code pabs. */", | |
2019 | "res = DSP_R (x);", | |
2020 | "res_grd = GET_DSP_GRD (x);", | |
2021 | "if (res >= 0)", | |
2022 | " carry = 0;", | |
2023 | "else", | |
2024 | " {", | |
2025 | " res = -res;", | |
2026 | " carry = (res != 0); /* The manual has a bug here. */", | |
2027 | " res_grd = -res_grd - carry;", | |
2028 | " }", | |
2029 | "COMPUTE_OVERFLOW;", | |
2030 | "/* ??? The re-computing of overflow after", | |
2031 | " saturation processing is specific to pabs. */", | |
2032 | "overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0;", | |
2033 | "ADD_SUB_GE;", | |
2034 | }, | |
63978407 JR |
2035 | { "","", "pabs Sx,Dz", "10001000xx..zzzz", |
2036 | "res = DSP_R (x);", | |
2037 | "res_grd = GET_DSP_GRD (x);", | |
2038 | "if (res >= 0)", | |
2039 | " carry = 0;", | |
2040 | "else", | |
2041 | " {", | |
2042 | " res = -res;", | |
2043 | " carry = (res != 0); /* The manual has a bug here. */", | |
2044 | " res_grd = -res_grd - carry;", | |
2045 | " }", | |
2046 | "COMPUTE_OVERFLOW;", | |
2047 | "/* ??? The re-computing of overflow after", | |
2048 | " saturation processing is specific to pabs. */", | |
2049 | "overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0;", | |
2050 | "ADD_SUB_GE;", | |
2051 | }, | |
86bc60eb MS |
2052 | |
2053 | { "","", "(if cc) prnd Sx,Dz", "100110ccxx01zzzz", | |
2054 | "/* FIXME: duplicate code prnd. */", | |
2055 | "int Sx = DSP_R (x);", | |
2056 | "int Sx_grd = GET_DSP_GRD (x);", | |
2057 | "", | |
2058 | "res = (Sx + 0x8000) & 0xffff0000;", | |
2059 | "carry = (unsigned) res < (unsigned) Sx;", | |
2060 | "res_grd = Sx_grd + carry;", | |
2061 | "COMPUTE_OVERFLOW;", | |
2062 | "ADD_SUB_GE;", | |
2063 | }, | |
63978407 JR |
2064 | { "","", "prnd Sx,Dz", "10011000xx..zzzz", |
2065 | "int Sx = DSP_R (x);", | |
2066 | "int Sx_grd = GET_DSP_GRD (x);", | |
2067 | "", | |
1b606171 | 2068 | "res = (Sx + 0x8000) & 0xffff0000;", |
63978407 JR |
2069 | "carry = (unsigned) res < (unsigned) Sx;", |
2070 | "res_grd = Sx_grd + carry;", | |
2071 | "COMPUTE_OVERFLOW;", | |
2072 | "ADD_SUB_GE;", | |
2073 | }, | |
86bc60eb MS |
2074 | |
2075 | { "","", "(if cc) pabs Sy,Dz", "101010cc01yyzzzz", | |
2076 | "/* FIXME: duplicate code pabs. */", | |
2077 | "res = DSP_R (y);", | |
2078 | "res_grd = 0;", | |
2079 | "overflow = 0;", | |
2080 | "greater_equal = DSR_MASK_G;", | |
2081 | "if (res >= 0)", | |
2082 | " carry = 0;", | |
2083 | "else", | |
2084 | " {", | |
2085 | " res = -res;", | |
2086 | " carry = 1;", | |
2087 | " if (res < 0)", | |
2088 | " {", | |
2089 | " if (S)", | |
2090 | " res = 0x7fffffff;", | |
2091 | " else", | |
2092 | " {", | |
2093 | " overflow = DSR_MASK_V;", | |
2094 | " greater_equal = 0;", | |
2095 | " }", | |
2096 | " }", | |
2097 | " }", | |
2098 | }, | |
63978407 JR |
2099 | { "","", "pabs Sy,Dz", "10101000..yyzzzz", |
2100 | "res = DSP_R (y);", | |
2101 | "res_grd = 0;", | |
2102 | "overflow = 0;", | |
2103 | "greater_equal = DSR_MASK_G;", | |
2104 | "if (res >= 0)", | |
2105 | " carry = 0;", | |
2106 | "else", | |
2107 | " {", | |
2108 | " res = -res;", | |
2109 | " carry = 1;", | |
2110 | " if (res < 0)", | |
2111 | " {", | |
2112 | " if (S)", | |
2113 | " res = 0x7fffffff;", | |
2114 | " else", | |
2115 | " {", | |
2116 | " overflow = DSR_MASK_V;", | |
2117 | " greater_equal = 0;", | |
2118 | " }", | |
2119 | " }", | |
2120 | " }", | |
2121 | }, | |
86bc60eb MS |
2122 | { "","", "(if cc) prnd Sy,Dz", "101110cc01yyzzzz", |
2123 | "/* FIXME: duplicate code prnd. */", | |
2124 | "int Sy = DSP_R (y);", | |
2125 | "int Sy_grd = SIGN32 (Sy);", | |
2126 | "", | |
2127 | "res = (Sy + 0x8000) & 0xffff0000;", | |
2128 | "carry = (unsigned) res < (unsigned) Sy;", | |
2129 | "res_grd = Sy_grd + carry;", | |
2130 | "COMPUTE_OVERFLOW;", | |
2131 | "ADD_SUB_GE;", | |
2132 | }, | |
63978407 JR |
2133 | { "","", "prnd Sy,Dz", "10111000..yyzzzz", |
2134 | "int Sy = DSP_R (y);", | |
2135 | "int Sy_grd = SIGN32 (Sy);", | |
2136 | "", | |
1b606171 | 2137 | "res = (Sy + 0x8000) & 0xffff0000;", |
63978407 JR |
2138 | "carry = (unsigned) res < (unsigned) Sy;", |
2139 | "res_grd = Sy_grd + carry;", | |
2140 | "COMPUTE_OVERFLOW;", | |
2141 | "ADD_SUB_GE;", | |
2142 | }, | |
2143 | { "","", "(if cc) pshl Sx,Sy,Dz", "100000ccxxyyzzzz", | |
2144 | "int Sx = DSP_R (x) & 0xffff0000;", | |
2145 | "int Sy = DSP_R (y) >> 16 & 0x7f;", | |
2146 | "", | |
437b0e60 | 2147 | "if (Sy <= 16)", |
63978407 JR |
2148 | " res = Sx << Sy;", |
2149 | "else if (Sy >= 128 - 16)", | |
437b0e60 | 2150 | " res = (unsigned) Sx >> 128 - Sy; /* no sign extension */", |
8f1e3ff5 | 2151 | "else", |
63978407 JR |
2152 | " {", |
2153 | " RAISE_EXCEPTION (SIGILL);", | |
2154 | " return;", | |
2155 | " }", | |
2156 | "goto cond_logical;", | |
2157 | }, | |
2158 | { "","", "(if cc) psha Sx,Sy,Dz", "100100ccxxyyzzzz", | |
2159 | "int Sx = DSP_R (x);", | |
2160 | "int Sx_grd = GET_DSP_GRD (x);", | |
2161 | "int Sy = DSP_R (y) >> 16 & 0x7f;", | |
2162 | "", | |
437b0e60 | 2163 | "if (Sy <= 32)", |
63978407 | 2164 | " {", |
8f1e3ff5 | 2165 | " if (Sy == 32)", |
63978407 JR |
2166 | " {", |
2167 | " res = 0;", | |
2168 | " res_grd = Sx;", | |
2169 | " }", | |
2170 | " else", | |
2171 | " {", | |
2172 | " res = Sx << Sy;", | |
2173 | " res_grd = Sx_grd << Sy | (unsigned) Sx >> 32 - Sy;", | |
2174 | " }", | |
2175 | " res_grd = SEXT (res_grd);", | |
2176 | " carry = res_grd & 1;", | |
2177 | " }", | |
2178 | "else if (Sy >= 96)", | |
2179 | " {", | |
2180 | " Sy = 128 - Sy;", | |
8f1e3ff5 | 2181 | " if (Sy == 32)", |
63978407 JR |
2182 | " {", |
2183 | " res_grd = SIGN32 (Sx_grd);", | |
2184 | " res = Sx_grd;", | |
2185 | " }", | |
2186 | " else", | |
2187 | " {", | |
2188 | " res = Sx >> Sy | Sx_grd << 32 - Sy;", | |
2189 | " res_grd = Sx_grd >> Sy;", | |
2190 | " }", | |
2191 | " carry = Sx >> (Sy - 1) & 1;", | |
2192 | " }", | |
8f1e3ff5 | 2193 | "else", |
63978407 JR |
2194 | " {", |
2195 | " RAISE_EXCEPTION (SIGILL);", | |
2196 | " return;", | |
2197 | " }", | |
2198 | "COMPUTE_OVERFLOW;", | |
2199 | "greater_equal = 0;", | |
2200 | }, | |
2201 | { "","", "(if cc) psub Sx,Sy,Dz", "101000ccxxyyzzzz", | |
2202 | "int Sx = DSP_R (x);", | |
2203 | "int Sx_grd = GET_DSP_GRD (x);", | |
2204 | "int Sy = DSP_R (y);", | |
2205 | "int Sy_grd = SIGN32 (Sy);", | |
2206 | "", | |
2207 | "res = Sx - Sy;", | |
2208 | "carry = (unsigned) res > (unsigned) Sx;", | |
2209 | "res_grd = Sx_grd - Sy_grd - carry;", | |
2210 | "COMPUTE_OVERFLOW;", | |
2211 | "ADD_SUB_GE;", | |
2212 | }, | |
86bc60eb MS |
2213 | { "","", "(if cc) psub Sy,Sx,Dz", "100001ccxxyyzzzz", |
2214 | "int Sx = DSP_R (x);", | |
2215 | "int Sx_grd = GET_DSP_GRD (x);", | |
2216 | "int Sy = DSP_R (y);", | |
2217 | "int Sy_grd = SIGN32 (Sy);", | |
2218 | "", | |
2219 | "res = Sy - Sx;", | |
2220 | "carry = (unsigned) res > (unsigned) Sy;", | |
2221 | "res_grd = Sy_grd - Sx_grd - carry;", | |
2222 | "COMPUTE_OVERFLOW;", | |
2223 | "ADD_SUB_GE;", | |
2224 | }, | |
63978407 JR |
2225 | { "","", "(if cc) padd Sx,Sy,Dz", "101100ccxxyyzzzz", |
2226 | "int Sx = DSP_R (x);", | |
2227 | "int Sx_grd = GET_DSP_GRD (x);", | |
2228 | "int Sy = DSP_R (y);", | |
2229 | "int Sy_grd = SIGN32 (Sy);", | |
2230 | "", | |
2231 | "res = Sx + Sy;", | |
2232 | "carry = (unsigned) res < (unsigned) Sx;", | |
2233 | "res_grd = Sx_grd + Sy_grd + carry;", | |
2234 | "COMPUTE_OVERFLOW;", | |
2235 | "ADD_SUB_GE;", | |
2236 | }, | |
2237 | { "","", "(if cc) pand Sx,Sy,Dz", "100101ccxxyyzzzz", | |
2238 | "res = DSP_R (x) & DSP_R (y);", | |
2239 | "cond_logical:", | |
2240 | "res &= 0xffff0000;", | |
2241 | "res_grd = 0;", | |
2242 | "if (iword & 0x200)\n", | |
2243 | " goto assign_z;\n", | |
2244 | "logical:", | |
2245 | "carry = 0;", | |
2246 | "overflow = 0;", | |
2247 | "greater_equal = 0;", | |
2248 | "DSR &= ~0xf1;\n", | |
2249 | "if (res)\n", | |
2250 | " DSR |= res >> 26 & DSR_MASK_N;\n", | |
2251 | "else\n", | |
2252 | " DSR |= DSR_MASK_Z;\n", | |
2253 | "goto assign_dc;\n", | |
2254 | }, | |
2255 | { "","", "(if cc) pxor Sx,Sy,Dz", "101001ccxxyyzzzz", | |
2256 | "res = DSP_R (x) ^ DSP_R (y);", | |
2257 | "goto cond_logical;", | |
2258 | }, | |
2259 | { "","", "(if cc) por Sx,Sy,Dz", "101101ccxxyyzzzz", | |
2260 | "res = DSP_R (x) | DSP_R (y);", | |
2261 | "goto cond_logical;", | |
2262 | }, | |
2263 | { "","", "(if cc) pdec Sx,Dz", "100010ccxx..zzzz", | |
2264 | "int Sx = DSP_R (x);", | |
2265 | "int Sx_grd = GET_DSP_GRD (x);", | |
2266 | "", | |
2267 | "res = Sx - 0x10000;", | |
2268 | "carry = res > Sx;", | |
2269 | "res_grd = Sx_grd - carry;", | |
2270 | "COMPUTE_OVERFLOW;", | |
2271 | "ADD_SUB_GE;", | |
2272 | "res &= 0xffff0000;", | |
2273 | }, | |
2274 | { "","", "(if cc) pinc Sx,Dz", "100110ccxx..zzzz", | |
2275 | "int Sx = DSP_R (x);", | |
2276 | "int Sx_grd = GET_DSP_GRD (x);", | |
2277 | "", | |
2278 | "res = Sx + 0x10000;", | |
2279 | "carry = res < Sx;", | |
2280 | "res_grd = Sx_grd + carry;", | |
2281 | "COMPUTE_OVERFLOW;", | |
2282 | "ADD_SUB_GE;", | |
2283 | "res &= 0xffff0000;", | |
2284 | }, | |
2285 | { "","", "(if cc) pdec Sy,Dz", "101010cc..yyzzzz", | |
2286 | "int Sy = DSP_R (y);", | |
2287 | "int Sy_grd = SIGN32 (Sy);", | |
2288 | "", | |
2289 | "res = Sy - 0x10000;", | |
2290 | "carry = res > Sy;", | |
2291 | "res_grd = Sy_grd - carry;", | |
2292 | "COMPUTE_OVERFLOW;", | |
2293 | "ADD_SUB_GE;", | |
2294 | "res &= 0xffff0000;", | |
2295 | }, | |
2296 | { "","", "(if cc) pinc Sy,Dz", "101110cc..yyzzzz", | |
2297 | "int Sy = DSP_R (y);", | |
2298 | "int Sy_grd = SIGN32 (Sy);", | |
2299 | "", | |
2300 | "res = Sy + 0x10000;", | |
2301 | "carry = res < Sy;", | |
2302 | "res_grd = Sy_grd + carry;", | |
2303 | "COMPUTE_OVERFLOW;", | |
2304 | "ADD_SUB_GE;", | |
2305 | "res &= 0xffff0000;", | |
2306 | }, | |
2307 | { "","", "(if cc) pclr Dz", "100011cc....zzzz", | |
2308 | "res = 0;", | |
2309 | "res_grd = 0;", | |
2310 | "carry = 0;", | |
2311 | "overflow = 0;", | |
2312 | "greater_equal = 1;", | |
2313 | }, | |
86bc60eb MS |
2314 | { "","", "pclr Du pmuls Se,Sf,Dg", "0100eeff0001gguu", |
2315 | "/* Do multiply. */", | |
2316 | "res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;", | |
2317 | "if (res == 0x80000000)", | |
2318 | " res = 0x7fffffff;", | |
2319 | "DSP_R (g) = res;", | |
2320 | "DSP_GRD (g) = SIGN32 (res);", | |
2321 | "/* FIXME: update DSR based on results of multiply! */", | |
2322 | "", | |
2323 | "/* Do clr. */", | |
2324 | "z = u;", | |
2325 | "res = 0;", | |
2326 | "res_grd = 0;", | |
2327 | "goto assign_z;", | |
2328 | }, | |
63978407 JR |
2329 | { "","", "(if cc) pdmsb Sx,Dz", "100111ccxx..zzzz", |
2330 | "unsigned Sx = DSP_R (x);", | |
2331 | "int Sx_grd = GET_DSP_GRD (x);", | |
8f1e3ff5 | 2332 | "int i = 16;", |
63978407 JR |
2333 | "", |
2334 | "if (Sx_grd < 0)", | |
2335 | " {", | |
2336 | " Sx_grd = ~Sx_grd;", | |
2337 | " Sx = ~Sx;", | |
2338 | " }", | |
2339 | "if (Sx_grd)", | |
2340 | " {", | |
2341 | " Sx = Sx_grd;", | |
2342 | " res = -2;", | |
2343 | " }", | |
2344 | "else if (Sx)", | |
2345 | " res = 30;", | |
2346 | "else", | |
2347 | " res = 31;", | |
8f1e3ff5 | 2348 | "do", |
63978407 JR |
2349 | " {", |
2350 | " if (Sx & ~0 << i)", | |
2351 | " {", | |
2352 | " res -= i;", | |
2353 | " Sx >>= i;", | |
2354 | " }", | |
2355 | " }", | |
2356 | "while (i >>= 1);", | |
2357 | "res <<= 16;", | |
2358 | "res_grd = SIGN32 (res);", | |
2359 | "carry = 0;", | |
2360 | "overflow = 0;", | |
2361 | "ADD_SUB_GE;", | |
2362 | }, | |
2363 | { "","", "(if cc) pdmsb Sy,Dz", "101111cc..yyzzzz", | |
2364 | "unsigned Sy = DSP_R (y);", | |
8f1e3ff5 | 2365 | "int i;", |
63978407 JR |
2366 | "", |
2367 | "if (Sy < 0)", | |
2368 | " Sy = ~Sy;", | |
2369 | "Sy <<= 1;", | |
2370 | "res = 31;", | |
8f1e3ff5 | 2371 | "do", |
63978407 JR |
2372 | " {", |
2373 | " if (Sy & ~0 << i)", | |
2374 | " {", | |
2375 | " res -= i;", | |
2376 | " Sy >>= i;", | |
2377 | " }", | |
2378 | " }", | |
2379 | "while (i >>= 1);", | |
2380 | "res <<= 16;", | |
2381 | "res_grd = SIGN32 (res);", | |
2382 | "carry = 0;", | |
2383 | "overflow = 0;", | |
2384 | "ADD_SUB_GE;", | |
2385 | }, | |
2386 | { "","", "(if cc) pneg Sx,Dz", "110010ccxx..zzzz", | |
2387 | "int Sx = DSP_R (x);", | |
2388 | "int Sx_grd = GET_DSP_GRD (x);", | |
2389 | "", | |
2390 | "res = 0 - Sx;", | |
2391 | "carry = res != 0;", | |
2392 | "res_grd = 0 - Sx_grd - carry;", | |
2393 | "COMPUTE_OVERFLOW;", | |
2394 | "ADD_SUB_GE;", | |
2395 | }, | |
2396 | { "","", "(if cc) pcopy Sx,Dz", "110110ccxx..zzzz", | |
2397 | "res = DSP_R (x);", | |
2398 | "res_grd = GET_DSP_GRD (x);", | |
2399 | "carry = 0;", | |
2400 | "COMPUTE_OVERFLOW;", | |
2401 | "ADD_SUB_GE;", | |
2402 | }, | |
2403 | { "","", "(if cc) pneg Sy,Dz", "111010cc..yyzzzz", | |
2404 | "int Sy = DSP_R (y);", | |
2405 | "int Sy_grd = SIGN32 (Sy);", | |
2406 | "", | |
2407 | "res = 0 - Sy;", | |
2408 | "carry = res != 0;", | |
2409 | "res_grd = 0 - Sy_grd - carry;", | |
2410 | "COMPUTE_OVERFLOW;", | |
2411 | "ADD_SUB_GE;", | |
2412 | }, | |
2413 | { "","", "(if cc) pcopy Sy,Dz", "111110cc..yyzzzz", | |
2414 | "res = DSP_R (y);", | |
2415 | "res_grd = SIGN32 (res);", | |
2416 | "carry = 0;", | |
2417 | "COMPUTE_OVERFLOW;", | |
2418 | "ADD_SUB_GE;", | |
2419 | }, | |
2420 | { "","", "(if cc) psts MACH,Dz", "110011cc....zzzz", | |
2421 | "res = MACH;", | |
2422 | "res_grd = SIGN32 (res);", | |
2423 | "goto assign_z;", | |
2424 | }, | |
2425 | { "","", "(if cc) psts MACL,Dz", "110111cc....zzzz", | |
2426 | "res = MACL;", | |
2427 | "res_grd = SIGN32 (res);", | |
2428 | "goto assign_z;", | |
2429 | }, | |
2430 | { "","", "(if cc) plds Dz,MACH", "111011cc....zzzz", | |
2431 | "if (0xa05f >> z & 1)", | |
2432 | " RAISE_EXCEPTION (SIGILL);", | |
2433 | "else", | |
2434 | " MACH = DSP_R (z);", | |
2435 | "return;", | |
2436 | }, | |
2437 | { "","", "(if cc) plds Dz,MACL", "111111cc....zzzz", | |
2438 | "if (0xa05f >> z & 1)", | |
2439 | " RAISE_EXCEPTION (SIGILL);", | |
2440 | "else", | |
2441 | " MACL = DSP_R (z) = res;", | |
2442 | "return;", | |
2443 | }, | |
86bc60eb MS |
2444 | /* sh4a */ |
2445 | { "","", "(if cc) pswap Sx,Dz", "100111ccxx01zzzz", | |
2446 | "int Sx = DSP_R (x);", | |
2447 | "", | |
2448 | "res = ((Sx & 0xffff) * 65536) + ((Sx >> 16) & 0xffff);", | |
2449 | "res_grd = GET_DSP_GRD (x);", | |
2450 | "carry = 0;", | |
2451 | "overflow = 0;", | |
2452 | "greater_equal = res & 0x80000000 ? 0 : DSR_MASK_G;", | |
2453 | }, | |
2454 | /* sh4a */ | |
2455 | { "","", "(if cc) pswap Sy,Dz", "101111cc01yyzzzz", | |
2456 | "int Sy = DSP_R (y);", | |
2457 | "", | |
2458 | "res = ((Sy & 0xffff) * 65536) + ((Sy >> 16) & 0xffff);", | |
2459 | "res_grd = SIGN32 (Sy);", | |
2460 | "carry = 0;", | |
2461 | "overflow = 0;", | |
2462 | "greater_equal = res & 0x80000000 ? 0 : DSR_MASK_G;", | |
2463 | }, | |
2464 | ||
63978407 JR |
2465 | {0, 0} |
2466 | }; | |
2467 | ||
c906108c | 2468 | /* Tables of things to put into enums for sh-opc.h */ |
ed4d32c2 MF |
2469 | static |
2470 | const char * const nibble_type_list[] = | |
c906108c SS |
2471 | { |
2472 | "HEX_0", | |
2473 | "HEX_1", | |
2474 | "HEX_2", | |
2475 | "HEX_3", | |
2476 | "HEX_4", | |
2477 | "HEX_5", | |
2478 | "HEX_6", | |
2479 | "HEX_7", | |
2480 | "HEX_8", | |
2481 | "HEX_9", | |
2482 | "HEX_A", | |
2483 | "HEX_B", | |
2484 | "HEX_C", | |
2485 | "HEX_D", | |
2486 | "HEX_E", | |
2487 | "HEX_F", | |
2488 | "REG_N", | |
2489 | "REG_M", | |
2490 | "BRANCH_12", | |
2491 | "BRANCH_8", | |
2492 | "DISP_8", | |
2493 | "DISP_4", | |
2494 | "IMM_4", | |
2495 | "IMM_4BY2", | |
2496 | "IMM_4BY4", | |
2497 | "PCRELIMM_8BY2", | |
2498 | "PCRELIMM_8BY4", | |
2499 | "IMM_8", | |
2500 | "IMM_8BY2", | |
2501 | "IMM_8BY4", | |
2502 | 0 | |
2503 | }; | |
2504 | static | |
ed4d32c2 | 2505 | const char * const arg_type_list[] = |
c906108c SS |
2506 | { |
2507 | "A_END", | |
2508 | "A_BDISP12", | |
2509 | "A_BDISP8", | |
2510 | "A_DEC_M", | |
2511 | "A_DEC_N", | |
2512 | "A_DISP_GBR", | |
2513 | "A_DISP_PC", | |
2514 | "A_DISP_REG_M", | |
2515 | "A_DISP_REG_N", | |
2516 | "A_GBR", | |
2517 | "A_IMM", | |
2518 | "A_INC_M", | |
2519 | "A_INC_N", | |
2520 | "A_IND_M", | |
2521 | "A_IND_N", | |
2522 | "A_IND_R0_REG_M", | |
2523 | "A_IND_R0_REG_N", | |
2524 | "A_MACH", | |
2525 | "A_MACL", | |
2526 | "A_PR", | |
2527 | "A_R0", | |
2528 | "A_R0_GBR", | |
2529 | "A_REG_M", | |
2530 | "A_REG_N", | |
2531 | "A_SR", | |
2532 | "A_VBR", | |
2533 | "A_SSR", | |
2534 | "A_SPC", | |
2535 | 0, | |
2536 | }; | |
2537 | ||
c906108c | 2538 | static int |
ed4d32c2 | 2539 | qfunc (const void *va, const void *vb) |
c906108c | 2540 | { |
ed4d32c2 MF |
2541 | const op *a = va; |
2542 | const op *b = vb; | |
c906108c SS |
2543 | char bufa[9]; |
2544 | char bufb[9]; | |
63978407 JR |
2545 | int diff; |
2546 | ||
c906108c SS |
2547 | memcpy (bufa, a->code, 4); |
2548 | memcpy (bufa + 4, a->code + 12, 4); | |
2549 | bufa[8] = 0; | |
2550 | ||
2551 | memcpy (bufb, b->code, 4); | |
2552 | memcpy (bufb + 4, b->code + 12, 4); | |
2553 | bufb[8] = 0; | |
63978407 JR |
2554 | diff = strcmp (bufa, bufb); |
2555 | /* Stabilize the sort, so that later entries can override more general | |
2556 | preceding entries. */ | |
2557 | return diff ? diff : a - b; | |
c906108c SS |
2558 | } |
2559 | ||
2560 | static void | |
ed4d32c2 | 2561 | sorttab (void) |
c906108c SS |
2562 | { |
2563 | op *p = tab; | |
2564 | int len = 0; | |
2565 | ||
2566 | while (p->name) | |
2567 | { | |
2568 | p++; | |
2569 | len++; | |
2570 | } | |
2571 | qsort (tab, len, sizeof (*p), qfunc); | |
2572 | } | |
2573 | ||
c906108c | 2574 | static void |
ed4d32c2 | 2575 | gengastab (void) |
c906108c SS |
2576 | { |
2577 | op *p; | |
2578 | sorttab (); | |
2579 | for (p = tab; p->name; p++) | |
2580 | { | |
2581 | printf ("%s %-30s\n", p->code, p->name); | |
2582 | } | |
c906108c SS |
2583 | } |
2584 | ||
3e511797 | 2585 | static unsigned short table[1 << 16]; |
c906108c | 2586 | |
ae0a84af CV |
2587 | static int warn_conflicts = 0; |
2588 | ||
2589 | static void | |
ed4d32c2 | 2590 | conflict_warn (int val, int i) |
ae0a84af CV |
2591 | { |
2592 | int ix, key; | |
2593 | int j = table[val]; | |
2594 | ||
2595 | fprintf (stderr, "Warning: opcode table conflict: 0x%04x (idx %d && %d)\n", | |
2596 | val, i, table[val]); | |
2597 | ||
2598 | for (ix = sizeof (tab) / sizeof (tab[0]); ix >= 0; ix--) | |
2599 | if (tab[ix].index == i || tab[ix].index == j) | |
2600 | { | |
2601 | key = ((tab[ix].code[0] - '0') << 3) + | |
2602 | ((tab[ix].code[1] - '0') << 2) + | |
2603 | ((tab[ix].code[2] - '0') << 1) + | |
2604 | ((tab[ix].code[3] - '0')); | |
2605 | ||
2606 | if (val >> 12 == key) | |
2607 | fprintf (stderr, " %s -- %s\n", tab[ix].code, tab[ix].name); | |
2608 | } | |
2609 | ||
2610 | for (ix = sizeof (movsxy_tab) / sizeof (movsxy_tab[0]); ix >= 0; ix--) | |
2611 | if (movsxy_tab[ix].index == i || movsxy_tab[ix].index == j) | |
2612 | { | |
2613 | key = ((movsxy_tab[ix].code[0] - '0') << 3) + | |
2614 | ((movsxy_tab[ix].code[1] - '0') << 2) + | |
2615 | ((movsxy_tab[ix].code[2] - '0') << 1) + | |
2616 | ((movsxy_tab[ix].code[3] - '0')); | |
2617 | ||
2618 | if (val >> 12 == key) | |
2619 | fprintf (stderr, " %s -- %s\n", | |
2620 | movsxy_tab[ix].code, movsxy_tab[ix].name); | |
2621 | } | |
2622 | ||
2623 | for (ix = sizeof (ppi_tab) / sizeof (ppi_tab[0]); ix >= 0; ix--) | |
2624 | if (ppi_tab[ix].index == i || ppi_tab[ix].index == j) | |
2625 | { | |
2626 | key = ((ppi_tab[ix].code[0] - '0') << 3) + | |
2627 | ((ppi_tab[ix].code[1] - '0') << 2) + | |
2628 | ((ppi_tab[ix].code[2] - '0') << 1) + | |
2629 | ((ppi_tab[ix].code[3] - '0')); | |
2630 | ||
2631 | if (val >> 12 == key) | |
2632 | fprintf (stderr, " %s -- %s\n", | |
2633 | ppi_tab[ix].code, ppi_tab[ix].name); | |
2634 | } | |
2635 | } | |
2636 | ||
673fc5d0 MS |
2637 | /* Take an opcode, expand all varying fields in it out and fill all the |
2638 | right entries in 'table' with the opcode index. */ | |
c906108c SS |
2639 | |
2640 | static void | |
ed4d32c2 | 2641 | expand_opcode (int val, int i, const char *s) |
c906108c | 2642 | { |
c906108c SS |
2643 | if (*s == 0) |
2644 | { | |
ae0a84af CV |
2645 | if (warn_conflicts && table[val] != 0) |
2646 | conflict_warn (val, i); | |
c906108c SS |
2647 | table[val] = i; |
2648 | } | |
2649 | else | |
2650 | { | |
673fc5d0 MS |
2651 | int j = 0, m = 0; |
2652 | ||
c906108c SS |
2653 | switch (s[0]) |
2654 | { | |
673fc5d0 MS |
2655 | default: |
2656 | fprintf (stderr, "expand_opcode: illegal char '%c'\n", s[0]); | |
2657 | exit (1); | |
c906108c SS |
2658 | case '0': |
2659 | case '1': | |
86bc60eb MS |
2660 | /* Consume an arbitrary number of ones and zeros. */ |
2661 | do { | |
2662 | j = (j << 1) + (s[m++] - '0'); | |
2663 | } while (s[m] == '0' || s[m] == '1'); | |
2664 | expand_opcode ((val << m) | j, i, s + m); | |
2665 | break; | |
673fc5d0 MS |
2666 | case 'N': /* NN -- four-way fork */ |
2667 | for (j = 0; j < 4; j++) | |
2668 | expand_opcode ((val << 2) | j, i, s + 2); | |
2669 | break; | |
86bc60eb MS |
2670 | case 'x': /* xx or xy -- two-way or four-way fork */ |
2671 | for (j = 0; j < 4; j += (s[1] == 'x' ? 2 : 1)) | |
673fc5d0 MS |
2672 | expand_opcode ((val << 2) | j, i, s + 2); |
2673 | break; | |
86bc60eb MS |
2674 | case 'y': /* yy or yx -- two-way or four-way fork */ |
2675 | for (j = 0; j < (s[1] == 'x' ? 4 : 2); j++) | |
673fc5d0 MS |
2676 | expand_opcode ((val << 2) | j, i, s + 2); |
2677 | break; | |
86bc60eb MS |
2678 | case '?': /* Seven-way "wildcard" fork for movxy */ |
2679 | expand_opcode ((val << 2), i, s + 2); | |
2680 | for (j = 1; j < 4; j++) | |
2681 | { | |
2682 | expand_opcode ((val << 2) | j, i, s + 2); | |
2683 | expand_opcode ((val << 2) | (j + 16), i, s + 2); | |
2684 | } | |
2685 | break; | |
673fc5d0 MS |
2686 | case 'i': /* eg. "i8*1" */ |
2687 | case '.': /* "...." is a wildcard */ | |
c906108c SS |
2688 | case 'n': |
2689 | case 'm': | |
673fc5d0 MS |
2690 | /* nnnn, mmmm, i#*#, .... -- 16-way fork. */ |
2691 | for (j = 0; j < 16; j++) | |
2692 | expand_opcode ((val << 4) | j, i, s + 4); | |
2693 | break; | |
2694 | case 'e': | |
2695 | /* eeee -- even numbered register: | |
2696 | 8 way fork. */ | |
2697 | for (j = 0; j < 15; j += 2) | |
2698 | expand_opcode ((val << 4) | j, i, s + 4); | |
2699 | break; | |
63978407 | 2700 | case 'M': |
673fc5d0 MS |
2701 | /* A0, A1, X0, X1, Y0, Y1, M0, M1, A0G, A1G: |
2702 | MMMM -- 10-way fork */ | |
2703 | expand_opcode ((val << 4) | 5, i, s + 4); | |
2704 | for (j = 7; j < 16; j++) | |
2705 | expand_opcode ((val << 4) | j, i, s + 4); | |
63978407 JR |
2706 | break; |
2707 | case 'G': | |
673fc5d0 MS |
2708 | /* A1G, A0G: |
2709 | GGGG -- two-way fork */ | |
63978407 | 2710 | for (j = 13; j <= 15; j +=2) |
673fc5d0 | 2711 | expand_opcode ((val << 4) | j, i, s + 4); |
63978407 JR |
2712 | break; |
2713 | case 's': | |
673fc5d0 | 2714 | /* ssss -- 10-way fork */ |
63978407 JR |
2715 | /* System registers mach, macl, pr: */ |
2716 | for (j = 0; j < 3; j++) | |
673fc5d0 | 2717 | expand_opcode ((val << 4) | j, i, s + 4); |
63978407 JR |
2718 | /* System registers fpul, fpscr/dsr, a0, x0, x1, y0, y1: */ |
2719 | for (j = 5; j < 12; j++) | |
673fc5d0 | 2720 | expand_opcode ((val << 4) | j, i, s + 4); |
63978407 JR |
2721 | break; |
2722 | case 'X': | |
86bc60eb MS |
2723 | /* XX/XY -- 2/4 way fork. */ |
2724 | for (j = 0; j < 4; j += (s[1] == 'X' ? 2 : 1)) | |
2725 | expand_opcode ((val << 2) | j, i, s + 2); | |
2726 | break; | |
63978407 | 2727 | case 'a': |
86bc60eb MS |
2728 | /* aa/ax -- 2/4 way fork. */ |
2729 | for (j = 0; j < 4; j += (s[1] == 'a' ? 2 : 1)) | |
673fc5d0 | 2730 | expand_opcode ((val << 2) | j, i, s + 2); |
63978407 JR |
2731 | break; |
2732 | case 'Y': | |
86bc60eb MS |
2733 | /* YY/YX -- 2/4 way fork. */ |
2734 | for (j = 0; j < (s[1] == 'Y' ? 2 : 4); j += 1) | |
2735 | expand_opcode ((val << 2) | j, i, s + 2); | |
2736 | break; | |
63978407 | 2737 | case 'A': |
86bc60eb MS |
2738 | /* AA/AY: 2/4 way fork. */ |
2739 | for (j = 0; j < (s[1] == 'A' ? 2 : 4); j += 1) | |
673fc5d0 | 2740 | expand_opcode ((val << 2) | j, i, s + 2); |
63978407 | 2741 | break; |
86bc60eb MS |
2742 | case 'v': |
2743 | /* vv(VV) -- 4(16) way fork. */ | |
2744 | /* Vector register fv0/4/8/12. */ | |
2745 | if (s[2] == 'V') | |
2746 | { | |
2747 | /* 2 vector registers. */ | |
2748 | for (j = 0; j < 15; j++) | |
2749 | expand_opcode ((val << 4) | j, i, s + 4); | |
2750 | } | |
2751 | else | |
2752 | { | |
2753 | /* 1 vector register. */ | |
2754 | for (j = 0; j < 4; j += 1) | |
2755 | expand_opcode ((val << 2) | j, i, s + 2); | |
2756 | } | |
2757 | break; | |
c906108c SS |
2758 | } |
2759 | } | |
2760 | } | |
2761 | ||
2762 | /* Print the jump table used to index an opcode into a switch | |
4ae0cff4 | 2763 | statement entry. */ |
c906108c SS |
2764 | |
2765 | static void | |
ed4d32c2 | 2766 | dumptable (const char *name, int size, int start) |
c906108c SS |
2767 | { |
2768 | int lump = 256; | |
2769 | int online = 16; | |
2770 | ||
63978407 | 2771 | int i = start; |
c906108c | 2772 | |
3e511797 | 2773 | printf ("unsigned short %s[%d]={\n", name, size); |
63978407 | 2774 | while (i < start + size) |
c906108c SS |
2775 | { |
2776 | int j = 0; | |
2777 | ||
63978407 | 2778 | printf ("/* 0x%x */\n", i); |
c906108c SS |
2779 | |
2780 | while (j < lump) | |
2781 | { | |
2782 | int k = 0; | |
2783 | while (k < online) | |
2784 | { | |
2785 | printf ("%2d", table[i + j + k]); | |
2786 | if (j + k < lump) | |
2787 | printf (","); | |
2788 | ||
2789 | k++; | |
2790 | } | |
2791 | j += k; | |
2792 | printf ("\n"); | |
2793 | } | |
2794 | i += j; | |
c906108c | 2795 | } |
63978407 | 2796 | printf ("};\n"); |
c906108c SS |
2797 | } |
2798 | ||
2799 | ||
2800 | static void | |
ed4d32c2 | 2801 | filltable (op *p) |
c906108c | 2802 | { |
63978407 | 2803 | static int index = 1; |
c906108c SS |
2804 | |
2805 | sorttab (); | |
63978407 | 2806 | for (; p->name; p++) |
c906108c SS |
2807 | { |
2808 | p->index = index++; | |
673fc5d0 | 2809 | expand_opcode (0, p->index, p->code); |
c906108c SS |
2810 | } |
2811 | } | |
2812 | ||
32fcda6a | 2813 | /* Table already contains all the switch case tags for 16-bit opcode double |
63978407 JR |
2814 | data transfer (ddt) insns, and the switch case tag for processing parallel |
2815 | processing insns (ppi) for code 0xf800 (ppi nopx nopy). Copy the | |
2816 | latter tag to represent all combinations of ppi with ddt. */ | |
c906108c | 2817 | static void |
ed4d32c2 | 2818 | expand_ppi_movxy (void) |
c906108c | 2819 | { |
63978407 | 2820 | int i; |
c906108c | 2821 | |
63978407 JR |
2822 | for (i = 0xf000; i < 0xf400; i++) |
2823 | if (table[i]) | |
2824 | table[i + 0x800] = table[0xf800]; | |
2825 | } | |
c906108c | 2826 | |
63978407 | 2827 | static void |
ed4d32c2 | 2828 | gensim_caselist (op *p) |
63978407 JR |
2829 | { |
2830 | for (; p->name; p++) | |
c906108c | 2831 | { |
63978407 | 2832 | int j; |
c906108c SS |
2833 | int sextbit = -1; |
2834 | int needm = 0; | |
2835 | int needn = 0; | |
ed4d32c2 | 2836 | const char *s = p->code; |
c906108c SS |
2837 | |
2838 | printf (" /* %s %s */\n", p->name, p->code); | |
2839 | printf (" case %d: \n", p->index); | |
2840 | ||
2841 | printf (" {\n"); | |
2842 | while (*s) | |
2843 | { | |
2844 | switch (*s) | |
2845 | { | |
e343a93a MS |
2846 | default: |
2847 | fprintf (stderr, "gencode/gensim_caselist: illegal char '%c'\n", | |
2848 | *s); | |
2849 | exit (1); | |
2850 | break; | |
86bc60eb MS |
2851 | case '?': |
2852 | /* Wildcard expansion, nothing to do here. */ | |
2853 | s += 2; | |
2854 | break; | |
2855 | case 'v': | |
2856 | printf (" int v1 = ((iword >> 10) & 3) * 4;\n"); | |
2857 | s += 2; | |
2858 | break; | |
2859 | case 'V': | |
2860 | printf (" int v2 = ((iword >> 8) & 3) * 4;\n"); | |
2861 | s += 2; | |
2862 | break; | |
c906108c SS |
2863 | case '0': |
2864 | case '1': | |
63978407 JR |
2865 | s += 2; |
2866 | break; | |
c906108c SS |
2867 | case '.': |
2868 | s += 4; | |
2869 | break; | |
2870 | case 'n': | |
673fc5d0 MS |
2871 | case 'e': |
2872 | printf (" int n = (iword >> 8) & 0xf;\n"); | |
c906108c SS |
2873 | needn = 1; |
2874 | s += 4; | |
2875 | break; | |
63978407 JR |
2876 | case 'N': |
2877 | printf (" int n = (((iword >> 8) - 2) & 0x3) + 2;\n"); | |
2878 | s += 2; | |
2879 | break; | |
2880 | case 'x': | |
86bc60eb MS |
2881 | if (s[1] == 'y') /* xy */ |
2882 | { | |
2883 | printf (" int n = (iword & 3) ? \n"); | |
2884 | printf (" ((iword >> 9) & 1) + 4 : \n"); | |
2885 | printf (" REG_xy ((iword >> 8) & 3);\n"); | |
2886 | } | |
2887 | else | |
2888 | printf (" int n = ((iword >> 9) & 1) + 4;\n"); | |
63978407 JR |
2889 | needn = 1; |
2890 | s += 2; | |
2891 | break; | |
2892 | case 'y': | |
86bc60eb MS |
2893 | if (s[1] == 'x') /* yx */ |
2894 | { | |
2895 | printf (" int n = (iword & 0xc) ? \n"); | |
2896 | printf (" ((iword >> 8) & 1) + 6 : \n"); | |
2897 | printf (" REG_yx ((iword >> 8) & 3);\n"); | |
2898 | } | |
2899 | else | |
2900 | printf (" int n = ((iword >> 8) & 1) + 6;\n"); | |
63978407 JR |
2901 | needn = 1; |
2902 | s += 2; | |
2903 | break; | |
c906108c | 2904 | case 'm': |
c906108c | 2905 | needm = 1; |
63978407 JR |
2906 | case 's': |
2907 | case 'M': | |
2908 | case 'G': | |
673fc5d0 | 2909 | printf (" int m = (iword >> 4) & 0xf;\n"); |
c906108c | 2910 | s += 4; |
63978407 JR |
2911 | break; |
2912 | case 'X': | |
86bc60eb MS |
2913 | if (s[1] == 'Y') /* XY */ |
2914 | { | |
2915 | printf (" int m = (iword & 3) ? \n"); | |
2916 | printf (" ((iword >> 7) & 1) + 8 : \n"); | |
2917 | printf (" DSP_xy ((iword >> 6) & 3);\n"); | |
2918 | } | |
2919 | else | |
2920 | printf (" int m = ((iword >> 7) & 1) + 8;\n"); | |
63978407 JR |
2921 | s += 2; |
2922 | break; | |
2923 | case 'a': | |
86bc60eb MS |
2924 | if (s[1] == 'x') /* ax */ |
2925 | { | |
2926 | printf (" int m = (iword & 3) ? \n"); | |
2927 | printf (" 7 - ((iword >> 6) & 2) : \n"); | |
2928 | printf (" DSP_ax ((iword >> 6) & 3);\n"); | |
2929 | } | |
2930 | else | |
2931 | printf (" int m = 7 - ((iword >> 6) & 2);\n"); | |
63978407 JR |
2932 | s += 2; |
2933 | break; | |
2934 | case 'Y': | |
86bc60eb MS |
2935 | if (s[1] == 'X') /* YX */ |
2936 | { | |
2937 | printf (" int m = (iword & 0xc) ? \n"); | |
2938 | printf (" ((iword >> 6) & 1) + 10 : \n"); | |
2939 | printf (" DSP_yx ((iword >> 6) & 3);\n"); | |
2940 | } | |
2941 | else | |
2942 | printf (" int m = ((iword >> 6) & 1) + 10;\n"); | |
63978407 JR |
2943 | s += 2; |
2944 | break; | |
2945 | case 'A': | |
86bc60eb MS |
2946 | if (s[1] == 'Y') /* AY */ |
2947 | { | |
2948 | printf (" int m = (iword & 0xc) ? \n"); | |
2949 | printf (" 7 - ((iword >> 5) & 2) : \n"); | |
2950 | printf (" DSP_ay ((iword >> 6) & 3);\n"); | |
2951 | } | |
2952 | else | |
2953 | printf (" int m = 7 - ((iword >> 5) & 2);\n"); | |
63978407 | 2954 | s += 2; |
c906108c SS |
2955 | break; |
2956 | ||
2957 | case 'i': | |
2958 | printf (" int i = (iword & 0x"); | |
2959 | ||
2960 | switch (s[1]) | |
2961 | { | |
ae0a84af CV |
2962 | default: |
2963 | fprintf (stderr, | |
2964 | "gensim_caselist: Unknown char '%c' in %s\n", | |
2965 | s[1], s); | |
2966 | exit (1); | |
2967 | break; | |
c906108c SS |
2968 | case '4': |
2969 | printf ("f"); | |
2970 | break; | |
2971 | case '8': | |
2972 | printf ("ff"); | |
2973 | break; | |
2974 | case '1': | |
2975 | sextbit = 12; | |
c906108c SS |
2976 | printf ("fff"); |
2977 | break; | |
2978 | } | |
2979 | printf (")"); | |
2980 | ||
2981 | switch (s[3]) | |
2982 | { | |
ae0a84af CV |
2983 | default: |
2984 | fprintf (stderr, | |
2985 | "gensim_caselist: Unknown char '%c' in %s\n", | |
2986 | s[3], s); | |
2987 | exit (1); | |
2988 | break; | |
2989 | case '.': /* eg. "i12." */ | |
2990 | break; | |
c906108c SS |
2991 | case '1': |
2992 | break; | |
2993 | case '2': | |
87acb4a7 | 2994 | printf (" << 1"); |
c906108c SS |
2995 | break; |
2996 | case '4': | |
87acb4a7 | 2997 | printf (" << 2"); |
c906108c SS |
2998 | break; |
2999 | } | |
3000 | printf (";\n"); | |
3001 | s += 4; | |
3002 | } | |
3003 | } | |
3004 | if (sextbit > 0) | |
3005 | { | |
87acb4a7 | 3006 | printf (" i = (i ^ (1 << %d)) - (1 << %d);\n", |
c906108c SS |
3007 | sextbit - 1, sextbit - 1); |
3008 | } | |
3009 | ||
3010 | if (needm && needn) | |
87acb4a7 | 3011 | printf (" TB (m,n);\n"); |
c906108c | 3012 | else if (needm) |
87acb4a7 | 3013 | printf (" TL (m);\n"); |
c906108c | 3014 | else if (needn) |
87acb4a7 | 3015 | printf (" TL (n);\n"); |
c906108c SS |
3016 | |
3017 | { | |
4ae0cff4 | 3018 | /* Do the refs. */ |
ed4d32c2 | 3019 | const char *r; |
c906108c SS |
3020 | for (r = p->refs; *r; r++) |
3021 | { | |
ae0a84af CV |
3022 | if (*r == 'f') printf (" CREF (15);\n"); |
3023 | if (*r == '-') | |
3024 | { | |
3025 | printf (" {\n"); | |
3026 | printf (" int i = n;\n"); | |
3027 | printf (" do {\n"); | |
3028 | printf (" CREF (i);\n"); | |
3029 | printf (" } while (i-- > 0);\n"); | |
3030 | printf (" }\n"); | |
3031 | } | |
3032 | if (*r == '+') | |
3033 | { | |
3034 | printf (" {\n"); | |
3035 | printf (" int i = n;\n"); | |
3036 | printf (" do {\n"); | |
3037 | printf (" CREF (i);\n"); | |
3038 | printf (" } while (i++ < 14);\n"); | |
3039 | printf (" }\n"); | |
3040 | } | |
87acb4a7 MS |
3041 | if (*r == '0') printf (" CREF (0);\n"); |
3042 | if (*r == '8') printf (" CREF (8);\n"); | |
3043 | if (*r == '9') printf (" CREF (9);\n"); | |
3044 | if (*r == 'n') printf (" CREF (n);\n"); | |
3045 | if (*r == 'm') printf (" CREF (m);\n"); | |
c906108c SS |
3046 | } |
3047 | } | |
3048 | ||
3049 | printf (" {\n"); | |
3050 | for (j = 0; j < MAX_NR_STUFF; j++) | |
3051 | { | |
3052 | if (p->stuff[j]) | |
3053 | { | |
3054 | printf (" %s\n", p->stuff[j]); | |
3055 | } | |
3056 | } | |
3057 | printf (" }\n"); | |
3058 | ||
3059 | { | |
4ae0cff4 | 3060 | /* Do the defs. */ |
ed4d32c2 | 3061 | const char *r; |
c906108c SS |
3062 | for (r = p->defs; *r; r++) |
3063 | { | |
ae0a84af CV |
3064 | if (*r == 'f') printf (" CDEF (15);\n"); |
3065 | if (*r == '-') | |
3066 | { | |
3067 | printf (" {\n"); | |
3068 | printf (" int i = n;\n"); | |
3069 | printf (" do {\n"); | |
3070 | printf (" CDEF (i);\n"); | |
3071 | printf (" } while (i-- > 0);\n"); | |
3072 | printf (" }\n"); | |
3073 | } | |
3074 | if (*r == '+') | |
3075 | { | |
3076 | printf (" {\n"); | |
3077 | printf (" int i = n;\n"); | |
3078 | printf (" do {\n"); | |
3079 | printf (" CDEF (i);\n"); | |
3080 | printf (" } while (i++ < 14);\n"); | |
3081 | printf (" }\n"); | |
3082 | } | |
3083 | if (*r == '0') printf (" CDEF (0);\n"); | |
3084 | if (*r == 'n') printf (" CDEF (n);\n"); | |
3085 | if (*r == 'm') printf (" CDEF (m);\n"); | |
c906108c SS |
3086 | } |
3087 | } | |
3088 | ||
3089 | printf (" break;\n"); | |
3090 | printf (" }\n"); | |
3091 | } | |
63978407 JR |
3092 | } |
3093 | ||
3094 | static void | |
ed4d32c2 | 3095 | gensim (void) |
63978407 JR |
3096 | { |
3097 | printf ("{\n"); | |
86bc60eb MS |
3098 | printf ("/* REG_xy = [r4, r5, r0, r1]. */\n"); |
3099 | printf ("#define REG_xy(R) ((R)==0 ? 4 : (R)==2 ? 5 : (R)==1 ? 0 : 1)\n"); | |
3100 | printf ("/* REG_yx = [r6, r7, r2, r3]. */\n"); | |
3101 | printf ("#define REG_yx(R) ((R)==0 ? 6 : (R)==1 ? 7 : (R)==2 ? 2 : 3)\n"); | |
3102 | printf ("/* DSP_ax = [a0, a1, x0, x1]. */\n"); | |
3103 | printf ("#define DSP_ax(R) ((R)==0 ? 7 : (R)==2 ? 5 : (R)==1 ? 8 : 9)\n"); | |
3104 | printf ("/* DSP_ay = [a0, a1, y0, y1]. */\n"); | |
3105 | printf ("#define DSP_ay(R) ((R)==0 ? 7 : (R)==1 ? 5 : (R)==2 ? 10 : 11)\n"); | |
3106 | printf ("/* DSP_xy = [x0, x1, y0, y1]. */\n"); | |
3107 | printf ("#define DSP_xy(R) ((R)==0 ? 8 : (R)==2 ? 9 : (R)==1 ? 10 : 11)\n"); | |
3108 | printf ("/* DSP_yx = [y0, y1, x0, x1]. */\n"); | |
3109 | printf ("#define DSP_yx(R) ((R)==0 ? 10 : (R)==1 ? 11 : (R)==2 ? 8 : 9)\n"); | |
63978407 JR |
3110 | printf (" switch (jump_table[iword]) {\n"); |
3111 | ||
3112 | gensim_caselist (tab); | |
3113 | gensim_caselist (movsxy_tab); | |
3114 | ||
c906108c SS |
3115 | printf (" default:\n"); |
3116 | printf (" {\n"); | |
63978407 | 3117 | printf (" RAISE_EXCEPTION (SIGILL);\n"); |
c906108c SS |
3118 | printf (" }\n"); |
3119 | printf (" }\n"); | |
3120 | printf ("}\n"); | |
3121 | } | |
3122 | ||
c906108c | 3123 | static void |
ed4d32c2 | 3124 | gendefines (void) |
c906108c SS |
3125 | { |
3126 | op *p; | |
63978407 | 3127 | filltable (tab); |
c906108c SS |
3128 | for (p = tab; p->name; p++) |
3129 | { | |
ed4d32c2 | 3130 | const char *s = p->name; |
c906108c SS |
3131 | printf ("#define OPC_"); |
3132 | while (*s) { | |
87acb4a7 | 3133 | if (isalpha (*s)) |
ed4d32c2 | 3134 | printf ("%c", tolower (*s)); |
87acb4a7 MS |
3135 | if (*s == ' ') |
3136 | printf ("_"); | |
3137 | if (*s == '@') | |
3138 | printf ("ind_"); | |
3139 | if (*s == ',') | |
3140 | printf ("_"); | |
c906108c SS |
3141 | s++; |
3142 | } | |
87acb4a7 | 3143 | printf (" %d\n",p->index); |
c906108c SS |
3144 | } |
3145 | } | |
3146 | ||
63978407 JR |
3147 | static int ppi_index; |
3148 | ||
240f98d3 | 3149 | /* Take a ppi code, expand all varying fields in it and fill all the |
87acb4a7 | 3150 | right entries in 'table' with the opcode index. |
86bc60eb | 3151 | NOTE: tail recursion optimization removed for simplicity. */ |
63978407 JR |
3152 | |
3153 | static void | |
ed4d32c2 | 3154 | expand_ppi_code (int val, int i, const char *s) |
63978407 JR |
3155 | { |
3156 | int j; | |
3157 | ||
86bc60eb | 3158 | switch (s[0]) |
63978407 | 3159 | { |
86bc60eb MS |
3160 | default: |
3161 | fprintf (stderr, "gencode/expand_ppi_code: Illegal char '%c'\n", s[0]); | |
3162 | exit (2); | |
3163 | break; | |
3164 | case 'g': | |
3165 | case 'z': | |
ae0a84af CV |
3166 | if (warn_conflicts && table[val] != 0) |
3167 | conflict_warn (val, i); | |
3168 | ||
86bc60eb MS |
3169 | /* The last four bits are disregarded for the switch table. */ |
3170 | table[val] = i; | |
3171 | return; | |
3172 | case 'm': | |
3173 | /* Four-bit expansion. */ | |
3174 | for (j = 0; j < 16; j++) | |
3175 | expand_ppi_code ((val << 4) + j, i, s + 4); | |
3176 | break; | |
3177 | case '.': | |
3178 | case '0': | |
3179 | expand_ppi_code ((val << 1), i, s + 1); | |
3180 | break; | |
3181 | case '1': | |
3182 | expand_ppi_code ((val << 1) + 1, i, s + 1); | |
3183 | break; | |
3184 | case 'i': | |
3185 | case 'e': case 'f': | |
3186 | case 'x': case 'y': | |
3187 | expand_ppi_code ((val << 1), i, s + 1); | |
3188 | expand_ppi_code ((val << 1) + 1, i, s + 1); | |
3189 | break; | |
3190 | case 'c': | |
3191 | expand_ppi_code ((val << 2) + 1, ppi_index++, s + 2); | |
3192 | expand_ppi_code ((val << 2) + 2, i, s + 2); | |
3193 | expand_ppi_code ((val << 2) + 3, i, s + 2); | |
3194 | break; | |
63978407 JR |
3195 | } |
3196 | } | |
3197 | ||
3198 | static void | |
ed4d32c2 | 3199 | ppi_filltable (void) |
63978407 JR |
3200 | { |
3201 | op *p; | |
3202 | ppi_index = 1; | |
3203 | ||
3204 | for (p = ppi_tab; p->name; p++) | |
3205 | { | |
3206 | p->index = ppi_index++; | |
3207 | expand_ppi_code (0, p->index, p->code); | |
3208 | } | |
3209 | } | |
3210 | ||
3211 | static void | |
ed4d32c2 | 3212 | ppi_gensim (void) |
63978407 JR |
3213 | { |
3214 | op *p = ppi_tab; | |
3215 | ||
3216 | printf ("#define DSR_MASK_G 0x80\n"); | |
3217 | printf ("#define DSR_MASK_Z 0x40\n"); | |
3218 | printf ("#define DSR_MASK_N 0x20\n"); | |
3219 | printf ("#define DSR_MASK_V 0x10\n"); | |
3220 | printf ("\n"); | |
3221 | printf ("#define COMPUTE_OVERFLOW do {\\\n"); | |
3222 | printf (" overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0; \\\n"); | |
3223 | printf (" if (overflow && S) \\\n"); | |
3224 | printf (" { \\\n"); | |
3225 | printf (" if (res_grd & 0x80) \\\n"); | |
3226 | printf (" { \\\n"); | |
3227 | printf (" res = 0x80000000; \\\n"); | |
3228 | printf (" res_grd |= 0xff; \\\n"); | |
3229 | printf (" } \\\n"); | |
3230 | printf (" else \\\n"); | |
3231 | printf (" { \\\n"); | |
3232 | printf (" res = 0x7fffffff; \\\n"); | |
3233 | printf (" res_grd &= ~0xff; \\\n"); | |
3234 | printf (" } \\\n"); | |
3235 | printf (" overflow = 0; \\\n"); | |
3236 | printf (" } \\\n"); | |
3237 | printf ("} while (0)\n"); | |
3238 | printf ("\n"); | |
3239 | printf ("#define ADD_SUB_GE \\\n"); | |
3240 | printf (" (greater_equal = ~(overflow << 3 & res_grd) & DSR_MASK_G)\n"); | |
3241 | printf ("\n"); | |
3242 | printf ("static void\n"); | |
3243 | printf ("ppi_insn (iword)\n"); | |
3244 | printf (" int iword;\n"); | |
3245 | printf ("{\n"); | |
86bc60eb | 3246 | printf (" /* 'ee' = [x0, x1, y0, a1] */\n"); |
63978407 | 3247 | printf (" static char e_tab[] = { 8, 9, 10, 5};\n"); |
86bc60eb | 3248 | printf (" /* 'ff' = [y0, y1, x0, a1] */\n"); |
63978407 | 3249 | printf (" static char f_tab[] = {10, 11, 8, 5};\n"); |
86bc60eb | 3250 | printf (" /* 'xx' = [x0, x1, a0, a1] */\n"); |
63978407 | 3251 | printf (" static char x_tab[] = { 8, 9, 7, 5};\n"); |
86bc60eb | 3252 | printf (" /* 'yy' = [y0, y1, m0, m1] */\n"); |
63978407 | 3253 | printf (" static char y_tab[] = {10, 11, 12, 14};\n"); |
86bc60eb | 3254 | printf (" /* 'gg' = [m0, m1, a0, a1] */\n"); |
63978407 | 3255 | printf (" static char g_tab[] = {12, 14, 7, 5};\n"); |
86bc60eb | 3256 | printf (" /* 'uu' = [x0, y0, a0, a1] */\n"); |
63978407 JR |
3257 | printf (" static char u_tab[] = { 8, 10, 7, 5};\n"); |
3258 | printf ("\n"); | |
3259 | printf (" int z;\n"); | |
3260 | printf (" int res, res_grd;\n"); | |
3261 | printf (" int carry, overflow, greater_equal;\n"); | |
3262 | printf ("\n"); | |
86bc60eb | 3263 | printf (" switch (ppi_table[iword >> 4]) {\n"); |
63978407 JR |
3264 | |
3265 | for (; p->name; p++) | |
3266 | { | |
3267 | int shift, j; | |
3268 | int cond = 0; | |
3269 | int havedecl = 0; | |
ed4d32c2 | 3270 | const char *s = p->code; |
63978407 JR |
3271 | |
3272 | printf (" /* %s %s */\n", p->name, p->code); | |
3273 | printf (" case %d: \n", p->index); | |
3274 | ||
3275 | printf (" {\n"); | |
3276 | for (shift = 16; *s; ) | |
3277 | { | |
3278 | switch (*s) | |
3279 | { | |
3280 | case 'i': | |
3281 | printf (" int i = (iword >> 4) & 0x7f;\n"); | |
3282 | s += 6; | |
3283 | break; | |
3284 | case 'e': | |
3285 | case 'f': | |
3286 | case 'x': | |
3287 | case 'y': | |
3288 | case 'g': | |
3289 | case 'u': | |
3290 | shift -= 2; | |
3291 | printf (" int %c = %c_tab[(iword >> %d) & 3];\n", | |
3292 | *s, *s, shift); | |
3293 | havedecl = 1; | |
3294 | s += 2; | |
3295 | break; | |
3296 | case 'c': | |
3297 | printf (" if ((((iword >> 8) ^ DSR) & 1) == 0)\n"); | |
c13a4caa | 3298 | printf ("\treturn;\n"); |
63978407 JR |
3299 | printf (" }\n"); |
3300 | printf (" case %d: \n", p->index + 1); | |
3301 | printf (" {\n"); | |
3302 | cond = 1; | |
3303 | case '0': | |
3304 | case '1': | |
3305 | case '.': | |
3306 | shift -= 2; | |
3307 | s += 2; | |
3308 | break; | |
3309 | case 'z': | |
3310 | if (havedecl) | |
3311 | printf ("\n"); | |
3312 | printf (" z = iword & 0xf;\n"); | |
3313 | havedecl = 2; | |
3314 | s += 4; | |
3315 | break; | |
3316 | } | |
3317 | } | |
3318 | if (havedecl == 1) | |
3319 | printf ("\n"); | |
3320 | else if (havedecl == 2) | |
3321 | printf (" {\n"); | |
3322 | for (j = 0; j < MAX_NR_STUFF; j++) | |
3323 | { | |
3324 | if (p->stuff[j]) | |
3325 | { | |
3326 | printf (" %s%s\n", | |
3327 | (havedecl == 2 ? " " : ""), | |
3328 | p->stuff[j]); | |
3329 | } | |
3330 | } | |
3331 | if (havedecl == 2) | |
3332 | printf (" }\n"); | |
3333 | if (cond) | |
3334 | { | |
3335 | printf (" if (iword & 0x200)\n"); | |
3336 | printf (" goto assign_z;\n"); | |
3337 | } | |
3338 | printf (" break;\n"); | |
3339 | printf (" }\n"); | |
3340 | } | |
3341 | ||
3342 | printf (" default:\n"); | |
3343 | printf (" {\n"); | |
3344 | printf (" RAISE_EXCEPTION (SIGILL);\n"); | |
3345 | printf (" return;\n"); | |
3346 | printf (" }\n"); | |
3347 | printf (" }\n"); | |
3348 | printf (" DSR &= ~0xf1;\n"); | |
3349 | printf (" if (res || res_grd)\n"); | |
3350 | printf (" DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n"); | |
3351 | printf (" else\n"); | |
3352 | printf (" DSR |= DSR_MASK_Z | overflow;\n"); | |
3353 | printf (" assign_dc:\n"); | |
3354 | printf (" switch (DSR >> 1 & 7)\n"); | |
3355 | printf (" {\n"); | |
3356 | printf (" case 0: /* Carry Mode */\n"); | |
3357 | printf (" DSR |= carry;\n"); | |
3358 | printf (" case 1: /* Negative Value Mode */\n"); | |
3359 | printf (" DSR |= res_grd >> 7 & 1;\n"); | |
3360 | printf (" case 2: /* Zero Value Mode */\n"); | |
3361 | printf (" DSR |= DSR >> 6 & 1;\n"); | |
02131c7f | 3362 | printf (" case 3: /* Overflow mode */\n"); |
63978407 JR |
3363 | printf (" DSR |= overflow >> 4;\n"); |
3364 | printf (" case 4: /* Signed Greater Than Mode */\n"); | |
3365 | printf (" DSR |= DSR >> 7 & 1;\n"); | |
02131c7f | 3366 | printf (" case 5: /* Signed Greater Than Or Equal Mode */\n"); |
63978407 JR |
3367 | printf (" DSR |= greater_equal >> 7;\n"); |
3368 | printf (" }\n"); | |
3369 | printf (" assign_z:\n"); | |
3370 | printf (" if (0xa05f >> z & 1)\n"); | |
3371 | printf (" {\n"); | |
3372 | printf (" RAISE_EXCEPTION (SIGILL);\n"); | |
3373 | printf (" return;\n"); | |
3374 | printf (" }\n"); | |
3375 | printf (" DSP_R (z) = res;\n"); | |
3376 | printf (" DSP_GRD (z) = res_grd;\n"); | |
3377 | printf ("}\n"); | |
3378 | } | |
3379 | ||
c906108c | 3380 | int |
ed4d32c2 | 3381 | main (int ac, char *av[]) |
c906108c | 3382 | { |
4ae0cff4 | 3383 | /* Verify the table before anything else. */ |
c906108c SS |
3384 | { |
3385 | op *p; | |
3386 | for (p = tab; p->name; p++) | |
3387 | { | |
4ae0cff4 | 3388 | /* Check that the code field contains 16 bits. */ |
c906108c SS |
3389 | if (strlen (p->code) != 16) |
3390 | { | |
ed4d32c2 | 3391 | fprintf (stderr, "Code `%s' length wrong (%zu) for `%s'\n", |
c906108c SS |
3392 | p->code, strlen (p->code), p->name); |
3393 | abort (); | |
3394 | } | |
3395 | } | |
3396 | } | |
3397 | ||
4ae0cff4 | 3398 | /* Now generate the requested data. */ |
c906108c SS |
3399 | if (ac > 1) |
3400 | { | |
ae0a84af CV |
3401 | if (ac > 2 && strcmp (av[2], "-w") == 0) |
3402 | { | |
3403 | warn_conflicts = 1; | |
3404 | } | |
c906108c SS |
3405 | if (strcmp (av[1], "-t") == 0) |
3406 | { | |
3407 | gengastab (); | |
3408 | } | |
3409 | else if (strcmp (av[1], "-d") == 0) | |
3410 | { | |
3411 | gendefines (); | |
3412 | } | |
3413 | else if (strcmp (av[1], "-s") == 0) | |
3414 | { | |
63978407 JR |
3415 | filltable (tab); |
3416 | dumptable ("sh_jump_table", 1 << 16, 0); | |
3417 | ||
3418 | memset (table, 0, sizeof table); | |
3419 | filltable (movsxy_tab); | |
673fc5d0 | 3420 | expand_ppi_movxy (); |
63978407 | 3421 | dumptable ("sh_dsp_table", 1 << 12, 0xf000); |
c906108c | 3422 | |
63978407 JR |
3423 | memset (table, 0, sizeof table); |
3424 | ppi_filltable (); | |
86bc60eb | 3425 | dumptable ("ppi_table", 1 << 12, 0); |
c906108c SS |
3426 | } |
3427 | else if (strcmp (av[1], "-x") == 0) | |
3428 | { | |
63978407 JR |
3429 | filltable (tab); |
3430 | filltable (movsxy_tab); | |
c906108c SS |
3431 | gensim (); |
3432 | } | |
63978407 JR |
3433 | else if (strcmp (av[1], "-p") == 0) |
3434 | { | |
3435 | ppi_filltable (); | |
3436 | ppi_gensim (); | |
3437 | } | |
c906108c SS |
3438 | } |
3439 | else | |
63978407 | 3440 | fprintf (stderr, "Opcode table generation no longer supported.\n"); |
c906108c SS |
3441 | return 0; |
3442 | } |