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c7927a3c | 1 | /* -*- c -*- */ |
4b95cf5c | 2 | /* Copyright (C) 2012-2014 Free Software Foundation, Inc. |
5bf135a7 NC |
3 | Contributed by Red Hat. |
4 | Written by DJ Delorie. | |
5 | ||
6 | This file is part of the GNU opcodes library. | |
7 | ||
8 | This library is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3, or (at your option) | |
11 | any later version. | |
12 | ||
13 | It is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
22 | ||
df7b86aa | 23 | #include "sysdep.h" |
c7927a3c NC |
24 | #include <stdio.h> |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
c7927a3c NC |
27 | #include "ansidecl.h" |
28 | #include "opcode/rx.h" | |
29 | ||
30 | #define RX_OPCODE_BIG_ENDIAN 0 | |
31 | ||
32 | typedef struct | |
33 | { | |
34 | RX_Opcode_Decoded * rx; | |
35 | int (* getbyte)(void *); | |
36 | void * ptr; | |
37 | unsigned char * op; | |
38 | } LocalData; | |
39 | ||
40 | static int trace = 0; | |
41 | ||
42 | #define BSIZE 0 | |
43 | #define WSIZE 1 | |
44 | #define LSIZE 2 | |
45 | ||
46 | /* These are for when the upper bits are "don't care" or "undefined". */ | |
47 | static int bwl[] = | |
48 | { | |
49 | RX_Byte, | |
50 | RX_Word, | |
b8985e5c NC |
51 | RX_Long, |
52 | 0 /* Bogus instructions can have a size field set to 3. */ | |
c7927a3c NC |
53 | }; |
54 | ||
55 | static int sbwl[] = | |
56 | { | |
57 | RX_SByte, | |
58 | RX_SWord, | |
b8985e5c NC |
59 | RX_Long, |
60 | 0 /* Bogus instructions can have a size field set to 3. */ | |
c7927a3c NC |
61 | }; |
62 | ||
63 | static int ubwl[] = | |
64 | { | |
65 | RX_UByte, | |
66 | RX_UWord, | |
b8985e5c NC |
67 | RX_Long, |
68 | 0 /* Bogus instructions can have a size field set to 3. */ | |
c7927a3c NC |
69 | }; |
70 | ||
71 | static int memex[] = | |
72 | { | |
73 | RX_SByte, | |
74 | RX_SWord, | |
75 | RX_Long, | |
76 | RX_UWord | |
77 | }; | |
78 | ||
79 | #define ID(x) rx->id = RXO_##x | |
80 | #define OP(n,t,r,a) (rx->op[n].type = t, \ | |
81 | rx->op[n].reg = r, \ | |
82 | rx->op[n].addend = a ) | |
83 | #define OPs(n,t,r,a,s) (OP (n,t,r,a), \ | |
84 | rx->op[n].size = s ) | |
85 | ||
86 | /* This is for the BWL and BW bitfields. */ | |
b8985e5c | 87 | static int SCALE[] = { 1, 2, 4, 0 }; |
c7927a3c NC |
88 | /* This is for the prefix size enum. */ |
89 | static int PSCALE[] = { 4, 1, 1, 1, 2, 2, 2, 3, 4 }; | |
90 | ||
91 | static int flagmap[] = {0, 1, 2, 3, 0, 0, 0, 0, | |
92 | 16, 17, 0, 0, 0, 0, 0, 0 }; | |
93 | ||
94 | static int dsp3map[] = { 8, 9, 10, 3, 4, 5, 6, 7 }; | |
95 | ||
96 | /* | |
97 | *C a constant (immediate) c | |
98 | *R A register | |
99 | *I Register indirect, no offset | |
100 | *Is Register indirect, with offset | |
101 | *D standard displacement: type (r,[r],dsp8,dsp16 code), register, BWL code | |
102 | *P standard displacement: type (r,[r]), reg, assumes UByte | |
103 | *Pm memex displacement: type (r,[r]), reg, memex code | |
104 | *cc condition code. */ | |
105 | ||
106 | #define DC(c) OP (0, RX_Operand_Immediate, 0, c) | |
107 | #define DR(r) OP (0, RX_Operand_Register, r, 0) | |
108 | #define DI(r,a) OP (0, RX_Operand_Indirect, r, a) | |
109 | #define DIs(r,a,s) OP (0, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
110 | #define DD(t,r,s) rx_disp (0, t, r, bwl[s], ld); | |
111 | #define DF(r) OP (0, RX_Operand_Flag, flagmap[r], 0) | |
112 | ||
113 | #define SC(i) OP (1, RX_Operand_Immediate, 0, i) | |
114 | #define SR(r) OP (1, RX_Operand_Register, r, 0) | |
f9c7014e | 115 | #define SRR(r) OP (1, RX_Operand_TwoReg, r, 0) |
c7927a3c NC |
116 | #define SI(r,a) OP (1, RX_Operand_Indirect, r, a) |
117 | #define SIs(r,a,s) OP (1, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
118 | #define SD(t,r,s) rx_disp (1, t, r, bwl[s], ld); | |
119 | #define SP(t,r) rx_disp (1, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 1); | |
120 | #define SPm(t,r,m) rx_disp (1, t, r, memex[m], ld); rx->op[1].size = memex[m]; | |
121 | #define Scc(cc) OP (1, RX_Operand_Condition, cc, 0) | |
122 | ||
123 | #define S2C(i) OP (2, RX_Operand_Immediate, 0, i) | |
124 | #define S2R(r) OP (2, RX_Operand_Register, r, 0) | |
125 | #define S2I(r,a) OP (2, RX_Operand_Indirect, r, a) | |
126 | #define S2Is(r,a,s) OP (2, RX_Operand_Indirect, r, (a) * SCALE[s]) | |
127 | #define S2D(t,r,s) rx_disp (2, t, r, bwl[s], ld); | |
128 | #define S2P(t,r) rx_disp (2, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 2); | |
129 | #define S2Pm(t,r,m) rx_disp (2, t, r, memex[m], ld); rx->op[2].size = memex[m]; | |
130 | #define S2cc(cc) OP (2, RX_Operand_Condition, cc, 0) | |
131 | ||
132 | #define BWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = bwl[sz] | |
133 | #define sBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = sbwl[sz] | |
134 | #define uBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = ubwl[sz] | |
135 | #define P(t, n) rx->op[n].size = (t!=3) ? RX_UByte : RX_Long; | |
136 | ||
137 | #define F(f) store_flags(rx, f) | |
138 | ||
139 | #define AU ATTRIBUTE_UNUSED | |
140 | #define GETBYTE() (ld->op [ld->rx->n_bytes++] = ld->getbyte (ld->ptr)) | |
141 | ||
142 | #define SYNTAX(x) rx->syntax = x | |
143 | ||
144 | #define UNSUPPORTED() \ | |
145 | rx->syntax = "*unknown*" | |
146 | ||
147 | #define IMM(sf) immediate (sf, 0, ld) | |
148 | #define IMMex(sf) immediate (sf, 1, ld) | |
149 | ||
150 | static int | |
151 | immediate (int sfield, int ex, LocalData * ld) | |
152 | { | |
153 | unsigned long i = 0, j; | |
154 | ||
155 | switch (sfield) | |
156 | { | |
157 | #define B ((unsigned long) GETBYTE()) | |
158 | case 0: | |
159 | #if RX_OPCODE_BIG_ENDIAN | |
160 | i = B; | |
161 | if (ex && (i & 0x80)) | |
162 | i -= 0x100; | |
163 | i <<= 24; | |
164 | i |= B << 16; | |
165 | i |= B << 8; | |
166 | i |= B; | |
167 | #else | |
168 | i = B; | |
169 | i |= B << 8; | |
170 | i |= B << 16; | |
171 | j = B; | |
172 | if (ex && (j & 0x80)) | |
173 | j -= 0x100; | |
174 | i |= j << 24; | |
175 | #endif | |
176 | break; | |
177 | case 3: | |
178 | #if RX_OPCODE_BIG_ENDIAN | |
179 | i = B << 16; | |
180 | i |= B << 8; | |
181 | i |= B; | |
182 | #else | |
183 | i = B; | |
184 | i |= B << 8; | |
185 | i |= B << 16; | |
186 | #endif | |
187 | if (ex && (i & 0x800000)) | |
188 | i -= 0x1000000; | |
189 | break; | |
190 | case 2: | |
191 | #if RX_OPCODE_BIG_ENDIAN | |
192 | i |= B << 8; | |
193 | i |= B; | |
194 | #else | |
195 | i |= B; | |
196 | i |= B << 8; | |
197 | #endif | |
198 | if (ex && (i & 0x8000)) | |
199 | i -= 0x10000; | |
200 | break; | |
201 | case 1: | |
202 | i |= B; | |
203 | if (ex && (i & 0x80)) | |
204 | i -= 0x100; | |
205 | break; | |
206 | default: | |
207 | abort(); | |
208 | } | |
209 | return i; | |
210 | } | |
211 | ||
212 | static void | |
213 | rx_disp (int n, int type, int reg, int size, LocalData * ld) | |
214 | { | |
215 | int disp; | |
216 | ||
217 | ld->rx->op[n].reg = reg; | |
218 | switch (type) | |
219 | { | |
220 | case 3: | |
221 | ld->rx->op[n].type = RX_Operand_Register; | |
222 | break; | |
223 | case 0: | |
224 | ld->rx->op[n].type = RX_Operand_Indirect; | |
225 | ld->rx->op[n].addend = 0; | |
226 | break; | |
227 | case 1: | |
228 | ld->rx->op[n].type = RX_Operand_Indirect; | |
229 | disp = GETBYTE (); | |
230 | ld->rx->op[n].addend = disp * PSCALE[size]; | |
231 | break; | |
232 | case 2: | |
233 | ld->rx->op[n].type = RX_Operand_Indirect; | |
234 | disp = GETBYTE (); | |
235 | #if RX_OPCODE_BIG_ENDIAN | |
236 | disp = disp * 256 + GETBYTE (); | |
237 | #else | |
238 | disp = disp + GETBYTE () * 256; | |
239 | #endif | |
240 | ld->rx->op[n].addend = disp * PSCALE[size]; | |
241 | break; | |
242 | default: | |
243 | abort (); | |
244 | } | |
245 | } | |
246 | ||
3cf79a01 DD |
247 | #define xO 8 |
248 | #define xS 4 | |
249 | #define xZ 2 | |
250 | #define xC 1 | |
251 | ||
252 | #define F_____ | |
253 | #define F___ZC rx->flags_0 = rx->flags_s = xZ|xC; | |
254 | #define F__SZ_ rx->flags_0 = rx->flags_s = xS|xZ; | |
255 | #define F__SZC rx->flags_0 = rx->flags_s = xS|xZ|xC; | |
256 | #define F_0SZC rx->flags_0 = xO|xS|xZ|xC; rx->flags_s = xS|xZ|xC; | |
257 | #define F_O___ rx->flags_0 = rx->flags_s = xO; | |
258 | #define F_OS__ rx->flags_0 = rx->flags_s = xO|xS; | |
259 | #define F_OSZ_ rx->flags_0 = rx->flags_s = xO|xS|xZ; | |
260 | #define F_OSZC rx->flags_0 = rx->flags_s = xO|xS|xZ|xC; | |
c7927a3c NC |
261 | |
262 | int | |
263 | rx_decode_opcode (unsigned long pc AU, | |
264 | RX_Opcode_Decoded * rx, | |
265 | int (* getbyte)(void *), | |
266 | void * ptr) | |
267 | { | |
268 | LocalData lds, * ld = &lds; | |
269 | unsigned char op[20] = {0}; | |
270 | ||
271 | lds.rx = rx; | |
272 | lds.getbyte = getbyte; | |
273 | lds.ptr = ptr; | |
274 | lds.op = op; | |
275 | ||
276 | memset (rx, 0, sizeof (*rx)); | |
277 | BWL(LSIZE); | |
278 | ||
279 | /** VARY sz 00 01 10 */ | |
280 | ||
281 | /*----------------------------------------------------------------------*/ | |
282 | /* MOV */ | |
283 | ||
284 | /** 0111 0101 0100 rdst mov%s #%1, %0 */ | |
3cf79a01 | 285 | ID(mov); DR(rdst); SC(IMM (1)); F_____; |
c7927a3c NC |
286 | |
287 | /** 1111 10sd rdst im sz mov%s #%1, %0 */ | |
78e98aab DD |
288 | ID(mov); DD(sd, rdst, sz); |
289 | if ((im == 1 && sz == 0) | |
290 | || (im == 2 && sz == 1) | |
291 | || (im == 0 && sz == 2)) | |
292 | { | |
293 | BWL (sz); | |
294 | SC(IMM(im)); | |
295 | } | |
296 | else | |
297 | { | |
298 | sBWL (sz); | |
299 | SC(IMMex(im)); | |
300 | } | |
301 | F_____; | |
c7927a3c NC |
302 | |
303 | /** 0110 0110 immm rdst mov%s #%1, %0 */ | |
3cf79a01 | 304 | ID(mov); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
305 | |
306 | /** 0011 11sz d dst sppp mov%s #%1, %0 */ | |
3cf79a01 | 307 | ID(mov); sBWL (sz); DIs(dst, d*16+sppp, sz); SC(IMM(1)); F_____; |
c7927a3c NC |
308 | |
309 | /** 11sz sd ss rsrc rdst mov%s %1, %0 */ | |
b5e04c2b | 310 | if (sd == 3 && ss == 3 && sz == 2 && rsrc == 0 && rdst == 0) |
c7927a3c | 311 | { |
f9c7014e | 312 | ID(nop2); |
9887672f | 313 | rx->syntax = "nop"; |
c7927a3c NC |
314 | } |
315 | else | |
316 | { | |
f9c7014e DD |
317 | ID(mov); sBWL(sz); F_____; |
318 | if ((ss == 3) && (sd != 3)) | |
319 | { | |
320 | SD(ss, rdst, sz); DD(sd, rsrc, sz); | |
321 | } | |
322 | else | |
323 | { | |
324 | SD(ss, rsrc, sz); DD(sd, rdst, sz); | |
325 | } | |
c7927a3c NC |
326 | } |
327 | ||
328 | /** 10sz 1dsp a src b dst mov%s %1, %0 */ | |
3cf79a01 | 329 | ID(mov); sBWL(sz); DR(dst); SIs(src, dsp*4+a*2+b, sz); F_____; |
c7927a3c NC |
330 | |
331 | /** 10sz 0dsp a dst b src mov%s %1, %0 */ | |
3cf79a01 | 332 | ID(mov); sBWL(sz); DIs(dst, dsp*4+a*2+b, sz); SR(src); F_____; |
c7927a3c NC |
333 | |
334 | /** 1111 1110 01sz isrc bsrc rdst mov%s [%1, %2], %0 */ | |
f9c7014e | 335 | ID(movbi); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
336 | |
337 | /** 1111 1110 00sz isrc bsrc rdst mov%s %0, [%1, %2] */ | |
f9c7014e | 338 | ID(movbir); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
339 | |
340 | /** 1111 1110 11sz isrc bsrc rdst movu%s [%1, %2], %0 */ | |
f9c7014e | 341 | ID(movbi); uBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____; |
c7927a3c NC |
342 | |
343 | /** 1111 1101 0010 0p sz rdst rsrc mov%s %1, %0 */ | |
3cf79a01 | 344 | ID(mov); sBWL (sz); SR(rsrc); F_____; |
c7927a3c NC |
345 | OP(0, p ? RX_Operand_Predec : RX_Operand_Postinc, rdst, 0); |
346 | ||
347 | /** 1111 1101 0010 1p sz rsrc rdst mov%s %1, %0 */ | |
3cf79a01 | 348 | ID(mov); sBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
349 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
350 | ||
351 | /** 1011 w dsp a src b dst movu%s %1, %0 */ | |
3cf79a01 | 352 | ID(mov); uBWL(w); DR(dst); SIs(src, dsp*4+a*2+b, w); F_____; |
c7927a3c NC |
353 | |
354 | /** 0101 1 s ss rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 355 | ID(mov); uBWL(s); SD(ss, rsrc, s); DR(rdst); F_____; |
c7927a3c NC |
356 | |
357 | /** 1111 1101 0011 1p sz rsrc rdst movu%s %1, %0 */ | |
3cf79a01 | 358 | ID(mov); uBWL (sz); DR(rdst); F_____; |
c7927a3c NC |
359 | OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0); |
360 | ||
361 | /*----------------------------------------------------------------------*/ | |
362 | /* PUSH/POP */ | |
363 | ||
364 | /** 0110 1111 dsta dstb popm %1-%2 */ | |
3cf79a01 | 365 | ID(popm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
366 | |
367 | /** 0110 1110 dsta dstb pushm %1-%2 */ | |
3cf79a01 | 368 | ID(pushm); SR(dsta); S2R(dstb); F_____; |
c7927a3c NC |
369 | |
370 | /** 0111 1110 1011 rdst pop %0 */ | |
3cf79a01 | 371 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(rdst); F_____; |
c7927a3c NC |
372 | |
373 | /** 0111 1110 10sz rsrc push%s %1 */ | |
3cf79a01 | 374 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SR(rsrc); F_____; |
c7927a3c NC |
375 | |
376 | /** 1111 01ss rsrc 10sz push%s %1 */ | |
3cf79a01 | 377 | ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SD(ss, rsrc, sz); F_____; |
c7927a3c NC |
378 | |
379 | /*----------------------------------------------------------------------*/ | |
380 | /* XCHG */ | |
381 | ||
382 | /** 1111 1100 0100 00ss rsrc rdst xchg %1%S1, %0 */ | |
383 | ID(xchg); DR(rdst); SP(ss, rsrc); | |
384 | ||
385 | /** 0000 0110 mx10 00ss 0001 0000 rsrc rdst xchg %1%S1, %0 */ | |
386 | ID(xchg); DR(rdst); SPm(ss, rsrc, mx); | |
387 | ||
388 | /*----------------------------------------------------------------------*/ | |
389 | /* STZ/STNZ */ | |
390 | ||
391 | /** 1111 1101 0111 im00 1110rdst stz #%1, %0 */ | |
392 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_z); | |
393 | ||
394 | /** 1111 1101 0111 im00 1111rdst stnz #%1, %0 */ | |
395 | ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_nz); | |
396 | ||
397 | /*----------------------------------------------------------------------*/ | |
398 | /* RTSD */ | |
399 | ||
400 | /** 0110 0111 rtsd #%1 */ | |
401 | ID(rtsd); SC(IMM(1) * 4); | |
402 | ||
403 | /** 0011 1111 rega regb rtsd #%1, %2-%0 */ | |
404 | ID(rtsd); SC(IMM(1) * 4); S2R(rega); DR(regb); | |
405 | ||
406 | /*----------------------------------------------------------------------*/ | |
407 | /* AND */ | |
408 | ||
409 | /** 0110 0100 immm rdst and #%1, %0 */ | |
3cf79a01 | 410 | ID(and); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
411 | |
412 | /** 0111 01im 0010 rdst and #%1, %0 */ | |
3cf79a01 | 413 | ID(and); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
414 | |
415 | /** 0101 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 416 | ID(and); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
417 | |
418 | /** 0000 0110 mx01 00ss rsrc rdst and %1%S1, %0 */ | |
3cf79a01 | 419 | ID(and); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
420 | |
421 | /** 1111 1111 0100 rdst srca srcb and %2, %1, %0 */ | |
3cf79a01 | 422 | ID(and); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
423 | |
424 | /*----------------------------------------------------------------------*/ | |
425 | /* OR */ | |
426 | ||
427 | /** 0110 0101 immm rdst or #%1, %0 */ | |
3cf79a01 | 428 | ID(or); SC(immm); DR(rdst); F__SZ_; |
c7927a3c NC |
429 | |
430 | /** 0111 01im 0011 rdst or #%1, %0 */ | |
3cf79a01 | 431 | ID(or); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
432 | |
433 | /** 0101 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 434 | ID(or); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
435 | |
436 | /** 0000 0110 mx01 01ss rsrc rdst or %1%S1, %0 */ | |
3cf79a01 | 437 | ID(or); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
438 | |
439 | /** 1111 1111 0101 rdst srca srcb or %2, %1, %0 */ | |
3cf79a01 | 440 | ID(or); DR(rdst); SR(srcb); S2R(srca); F__SZ_; |
c7927a3c NC |
441 | |
442 | /*----------------------------------------------------------------------*/ | |
443 | /* XOR */ | |
444 | ||
445 | /** 1111 1101 0111 im00 1101rdst xor #%1, %0 */ | |
3cf79a01 | 446 | ID(xor); SC(IMMex(im)); DR(rdst); F__SZ_; |
c7927a3c NC |
447 | |
448 | /** 1111 1100 0011 01ss rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 449 | ID(xor); SP(ss, rsrc); DR(rdst); F__SZ_; |
c7927a3c NC |
450 | |
451 | /** 0000 0110 mx10 00ss 0000 1101 rsrc rdst xor %1%S1, %0 */ | |
3cf79a01 | 452 | ID(xor); SPm(ss, rsrc, mx); DR(rdst); F__SZ_; |
c7927a3c NC |
453 | |
454 | /*----------------------------------------------------------------------*/ | |
455 | /* NOT */ | |
456 | ||
457 | /** 0111 1110 0000 rdst not %0 */ | |
3cf79a01 | 458 | ID(xor); DR(rdst); SR(rdst); S2C(~0); F__SZ_; |
c7927a3c NC |
459 | |
460 | /** 1111 1100 0011 1011 rsrc rdst not %1, %0 */ | |
3cf79a01 | 461 | ID(xor); DR(rdst); SR(rsrc); S2C(~0); F__SZ_; |
c7927a3c NC |
462 | |
463 | /*----------------------------------------------------------------------*/ | |
464 | /* TST */ | |
465 | ||
466 | /** 1111 1101 0111 im00 1100rdst tst #%1, %2 */ | |
3cf79a01 | 467 | ID(and); SC(IMMex(im)); S2R(rdst); F__SZ_; |
c7927a3c NC |
468 | |
469 | /** 1111 1100 0011 00ss rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 470 | ID(and); SP(ss, rsrc); S2R(rdst); F__SZ_; |
c7927a3c NC |
471 | |
472 | /** 0000 0110 mx10 00ss 0000 1100 rsrc rdst tst %1%S1, %2 */ | |
3cf79a01 | 473 | ID(and); SPm(ss, rsrc, mx); S2R(rdst); F__SZ_; |
c7927a3c NC |
474 | |
475 | /*----------------------------------------------------------------------*/ | |
476 | /* NEG */ | |
477 | ||
478 | /** 0111 1110 0001 rdst neg %0 */ | |
3cf79a01 | 479 | ID(sub); DR(rdst); SC(0); S2R(rdst); F_OSZC; |
c7927a3c NC |
480 | |
481 | /** 1111 1100 0000 0111 rsrc rdst neg %2, %0 */ | |
3cf79a01 | 482 | ID(sub); DR(rdst); SC(0); S2R(rsrc); F_OSZC; |
c7927a3c NC |
483 | |
484 | /*----------------------------------------------------------------------*/ | |
485 | /* ADC */ | |
486 | ||
487 | /** 1111 1101 0111 im00 0010rdst adc #%1, %0 */ | |
3cf79a01 | 488 | ID(adc); SC(IMMex(im)); DR(rdst); F_OSZC; |
c7927a3c NC |
489 | |
490 | /** 1111 1100 0000 1011 rsrc rdst adc %1, %0 */ | |
3cf79a01 | 491 | ID(adc); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
492 | |
493 | /** 0000 0110 1010 00ss 0000 0010 rsrc rdst adc %1%S1, %0 */ | |
3cf79a01 | 494 | ID(adc); SPm(ss, rsrc, 2); DR(rdst); F_OSZC; |
c7927a3c NC |
495 | |
496 | /*----------------------------------------------------------------------*/ | |
497 | /* ADD */ | |
498 | ||
499 | /** 0110 0010 immm rdst add #%1, %0 */ | |
3cf79a01 | 500 | ID(add); SC(immm); DR(rdst); F_OSZC; |
c7927a3c NC |
501 | |
502 | /** 0100 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 503 | ID(add); SP(ss, rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
504 | |
505 | /** 0000 0110 mx00 10ss rsrc rdst add %1%S1, %0 */ | |
3cf79a01 | 506 | ID(add); SPm(ss, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
507 | |
508 | /** 0111 00im rsrc rdst add #%1, %2, %0 */ | |
3cf79a01 | 509 | ID(add); SC(IMMex(im)); S2R(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
510 | |
511 | /** 1111 1111 0010 rdst srca srcb add %2, %1, %0 */ | |
3cf79a01 | 512 | ID(add); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
513 | |
514 | /*----------------------------------------------------------------------*/ | |
515 | /* CMP */ | |
516 | ||
517 | /** 0110 0001 immm rdst cmp #%2, %1 */ | |
3cf79a01 | 518 | ID(sub); S2C(immm); SR(rdst); F_OSZC; |
c7927a3c NC |
519 | |
520 | /** 0111 01im 0000 rsrc cmp #%2, %1%S1 */ | |
3cf79a01 | 521 | ID(sub); SR(rsrc); S2C(IMMex(im)); F_OSZC; |
c7927a3c NC |
522 | |
523 | /** 0111 0101 0101 rsrc cmp #%2, %1 */ | |
3cf79a01 | 524 | ID(sub); SR(rsrc); S2C(IMM(1)); F_OSZC; |
c7927a3c NC |
525 | |
526 | /** 0100 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 527 | ID(sub); S2P(ss, rsrc); SR(rdst); F_OSZC; |
c7927a3c NC |
528 | |
529 | /** 0000 0110 mx00 01ss rsrc rdst cmp %2%S2, %1 */ | |
3cf79a01 | 530 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); F_OSZC; |
c7927a3c NC |
531 | |
532 | /*----------------------------------------------------------------------*/ | |
533 | /* SUB */ | |
534 | ||
535 | /** 0110 0000 immm rdst sub #%2, %0 */ | |
3cf79a01 | 536 | ID(sub); S2C(immm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
537 | |
538 | /** 0100 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 539 | ID(sub); S2P(ss, rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
540 | |
541 | /** 0000 0110 mx00 00ss rsrc rdst sub %2%S2, %1 */ | |
3cf79a01 | 542 | ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
543 | |
544 | /** 1111 1111 0000 rdst srca srcb sub %2, %1, %0 */ | |
3cf79a01 | 545 | ID(sub); DR(rdst); SR(srcb); S2R(srca); F_OSZC; |
c7927a3c NC |
546 | |
547 | /*----------------------------------------------------------------------*/ | |
548 | /* SBB */ | |
549 | ||
550 | /** 1111 1100 0000 0011 rsrc rdst sbb %1, %0 */ | |
3cf79a01 | 551 | ID(sbb); SR (rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
552 | |
553 | /* FIXME: only supports .L */ | |
554 | /** 0000 0110 mx10 00sp 0000 0000 rsrc rdst sbb %1%S1, %0 */ | |
3cf79a01 | 555 | ID(sbb); SPm(sp, rsrc, mx); DR(rdst); F_OSZC; |
c7927a3c NC |
556 | |
557 | /*----------------------------------------------------------------------*/ | |
558 | /* ABS */ | |
559 | ||
560 | /** 0111 1110 0010 rdst abs %0 */ | |
3cf79a01 | 561 | ID(abs); DR(rdst); SR(rdst); F_OSZ_; |
c7927a3c NC |
562 | |
563 | /** 1111 1100 0000 1111 rsrc rdst abs %1, %0 */ | |
3cf79a01 | 564 | ID(abs); DR(rdst); SR(rsrc); F_OSZ_; |
c7927a3c NC |
565 | |
566 | /*----------------------------------------------------------------------*/ | |
567 | /* MAX */ | |
568 | ||
569 | /** 1111 1101 0111 im00 0100rdst max #%1, %0 */ | |
570 | ID(max); DR(rdst); SC(IMMex(im)); | |
571 | ||
572 | /** 1111 1100 0001 00ss rsrc rdst max %1%S1, %0 */ | |
f9c7014e DD |
573 | if (ss == 3 && rsrc == 0 && rdst == 0) |
574 | { | |
575 | ID(nop3); | |
9887672f | 576 | rx->syntax = "nop"; |
f9c7014e DD |
577 | } |
578 | else | |
579 | { | |
580 | ID(max); SP(ss, rsrc); DR(rdst); | |
581 | } | |
c7927a3c NC |
582 | |
583 | /** 0000 0110 mx10 00ss 0000 0100 rsrc rdst max %1%S1, %0 */ | |
584 | ID(max); SPm(ss, rsrc, mx); DR(rdst); | |
585 | ||
586 | /*----------------------------------------------------------------------*/ | |
587 | /* MIN */ | |
588 | ||
589 | /** 1111 1101 0111 im00 0101rdst min #%1, %0 */ | |
590 | ID(min); DR(rdst); SC(IMMex(im)); | |
591 | ||
592 | /** 1111 1100 0001 01ss rsrc rdst min %1%S1, %0 */ | |
593 | ID(min); SP(ss, rsrc); DR(rdst); | |
594 | ||
595 | /** 0000 0110 mx10 00ss 0000 0101 rsrc rdst min %1%S1, %0 */ | |
596 | ID(min); SPm(ss, rsrc, mx); DR(rdst); | |
597 | ||
598 | /*----------------------------------------------------------------------*/ | |
599 | /* MUL */ | |
600 | ||
601 | /** 0110 0011 immm rdst mul #%1, %0 */ | |
3cf79a01 | 602 | ID(mul); DR(rdst); SC(immm); F_____; |
c7927a3c NC |
603 | |
604 | /** 0111 01im 0001rdst mul #%1, %0 */ | |
3cf79a01 | 605 | ID(mul); DR(rdst); SC(IMMex(im)); F_____; |
c7927a3c NC |
606 | |
607 | /** 0100 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 608 | ID(mul); SP(ss, rsrc); DR(rdst); F_____; |
c7927a3c NC |
609 | |
610 | /** 0000 0110 mx00 11ss rsrc rdst mul %1%S1, %0 */ | |
3cf79a01 | 611 | ID(mul); SPm(ss, rsrc, mx); DR(rdst); F_____; |
c7927a3c NC |
612 | |
613 | /** 1111 1111 0011 rdst srca srcb mul %2, %1, %0 */ | |
3cf79a01 | 614 | ID(mul); DR(rdst); SR(srcb); S2R(srca); F_____; |
c7927a3c NC |
615 | |
616 | /*----------------------------------------------------------------------*/ | |
617 | /* EMUL */ | |
618 | ||
619 | /** 1111 1101 0111 im00 0110rdst emul #%1, %0 */ | |
620 | ID(emul); DR(rdst); SC(IMMex(im)); | |
621 | ||
622 | /** 1111 1100 0001 10ss rsrc rdst emul %1%S1, %0 */ | |
623 | ID(emul); SP(ss, rsrc); DR(rdst); | |
624 | ||
625 | /** 0000 0110 mx10 00ss 0000 0110 rsrc rdst emul %1%S1, %0 */ | |
626 | ID(emul); SPm(ss, rsrc, mx); DR(rdst); | |
627 | ||
628 | /*----------------------------------------------------------------------*/ | |
629 | /* EMULU */ | |
630 | ||
631 | /** 1111 1101 0111 im00 0111rdst emulu #%1, %0 */ | |
632 | ID(emulu); DR(rdst); SC(IMMex(im)); | |
633 | ||
634 | /** 1111 1100 0001 11ss rsrc rdst emulu %1%S1, %0 */ | |
635 | ID(emulu); SP(ss, rsrc); DR(rdst); | |
636 | ||
637 | /** 0000 0110 mx10 00ss 0000 0111 rsrc rdst emulu %1%S1, %0 */ | |
638 | ID(emulu); SPm(ss, rsrc, mx); DR(rdst); | |
639 | ||
640 | /*----------------------------------------------------------------------*/ | |
641 | /* DIV */ | |
642 | ||
643 | /** 1111 1101 0111 im00 1000rdst div #%1, %0 */ | |
3cf79a01 | 644 | ID(div); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
645 | |
646 | /** 1111 1100 0010 00ss rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 647 | ID(div); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
648 | |
649 | /** 0000 0110 mx10 00ss 0000 1000 rsrc rdst div %1%S1, %0 */ | |
3cf79a01 | 650 | ID(div); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
651 | |
652 | /*----------------------------------------------------------------------*/ | |
653 | /* DIVU */ | |
654 | ||
655 | /** 1111 1101 0111 im00 1001rdst divu #%1, %0 */ | |
3cf79a01 | 656 | ID(divu); DR(rdst); SC(IMMex(im)); F_O___; |
c7927a3c NC |
657 | |
658 | /** 1111 1100 0010 01ss rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 659 | ID(divu); SP(ss, rsrc); DR(rdst); F_O___; |
c7927a3c NC |
660 | |
661 | /** 0000 0110 mx10 00ss 0000 1001 rsrc rdst divu %1%S1, %0 */ | |
3cf79a01 | 662 | ID(divu); SPm(ss, rsrc, mx); DR(rdst); F_O___; |
c7927a3c NC |
663 | |
664 | /*----------------------------------------------------------------------*/ | |
665 | /* SHIFT */ | |
666 | ||
667 | /** 0110 110i mmmm rdst shll #%2, %0 */ | |
3cf79a01 | 668 | ID(shll); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
669 | |
670 | /** 1111 1101 0110 0010 rsrc rdst shll %2, %0 */ | |
3cf79a01 | 671 | ID(shll); S2R(rsrc); SR(rdst); DR(rdst); F_OSZC; |
c7927a3c NC |
672 | |
673 | /** 1111 1101 110immmm rsrc rdst shll #%2, %1, %0 */ | |
3cf79a01 | 674 | ID(shll); S2C(immmm); SR(rsrc); DR(rdst); F_OSZC; |
c7927a3c NC |
675 | |
676 | ||
677 | /** 0110 101i mmmm rdst shar #%2, %0 */ | |
3cf79a01 | 678 | ID(shar); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
679 | |
680 | /** 1111 1101 0110 0001 rsrc rdst shar %2, %0 */ | |
3cf79a01 | 681 | ID(shar); S2R(rsrc); SR(rdst); DR(rdst); F_0SZC; |
c7927a3c NC |
682 | |
683 | /** 1111 1101 101immmm rsrc rdst shar #%2, %1, %0 */ | |
3cf79a01 | 684 | ID(shar); S2C(immmm); SR(rsrc); DR(rdst); F_0SZC; |
c7927a3c NC |
685 | |
686 | ||
687 | /** 0110 100i mmmm rdst shlr #%2, %0 */ | |
3cf79a01 | 688 | ID(shlr); S2C(i*16+mmmm); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
689 | |
690 | /** 1111 1101 0110 0000 rsrc rdst shlr %2, %0 */ | |
3cf79a01 | 691 | ID(shlr); S2R(rsrc); SR(rdst); DR(rdst); F__SZC; |
c7927a3c NC |
692 | |
693 | /** 1111 1101 100immmm rsrc rdst shlr #%2, %1, %0 */ | |
3cf79a01 | 694 | ID(shlr); S2C(immmm); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
695 | |
696 | /*----------------------------------------------------------------------*/ | |
697 | /* ROTATE */ | |
698 | ||
699 | /** 0111 1110 0101 rdst rolc %0 */ | |
3cf79a01 | 700 | ID(rolc); DR(rdst); F__SZC; |
c7927a3c NC |
701 | |
702 | /** 0111 1110 0100 rdst rorc %0 */ | |
3cf79a01 | 703 | ID(rorc); DR(rdst); F__SZC; |
c7927a3c NC |
704 | |
705 | /** 1111 1101 0110 111i mmmm rdst rotl #%1, %0 */ | |
3cf79a01 | 706 | ID(rotl); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
707 | |
708 | /** 1111 1101 0110 0110 rsrc rdst rotl %1, %0 */ | |
3cf79a01 | 709 | ID(rotl); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
710 | |
711 | /** 1111 1101 0110 110i mmmm rdst rotr #%1, %0 */ | |
3cf79a01 | 712 | ID(rotr); SC(i*16+mmmm); DR(rdst); F__SZC; |
c7927a3c NC |
713 | |
714 | /** 1111 1101 0110 0100 rsrc rdst rotr %1, %0 */ | |
3cf79a01 | 715 | ID(rotr); SR(rsrc); DR(rdst); F__SZC; |
c7927a3c NC |
716 | |
717 | /** 1111 1101 0110 0101 rsrc rdst revw %1, %0 */ | |
718 | ID(revw); SR(rsrc); DR(rdst); | |
719 | ||
720 | /** 1111 1101 0110 0111 rsrc rdst revl %1, %0 */ | |
721 | ID(revl); SR(rsrc); DR(rdst); | |
722 | ||
723 | /*----------------------------------------------------------------------*/ | |
724 | /* BRANCH */ | |
725 | ||
726 | /** 0001 n dsp b%1.s %a0 */ | |
727 | ID(branch); Scc(n); DC(pc + dsp3map[dsp]); | |
728 | ||
729 | /** 0010 cond b%1.b %a0 */ | |
730 | ID(branch); Scc(cond); DC(pc + IMMex (1)); | |
731 | ||
732 | /** 0011 101c b%1.w %a0 */ | |
733 | ID(branch); Scc(c); DC(pc + IMMex (2)); | |
734 | ||
735 | ||
736 | /** 0000 1dsp bra.s %a0 */ | |
f9c7014e | 737 | ID(branch); DC(pc + dsp3map[dsp]); |
c7927a3c NC |
738 | |
739 | /** 0010 1110 bra.b %a0 */ | |
f9c7014e | 740 | ID(branch); DC(pc + IMMex(1)); |
c7927a3c NC |
741 | |
742 | /** 0011 1000 bra.w %a0 */ | |
f9c7014e | 743 | ID(branch); DC(pc + IMMex(2)); |
c7927a3c NC |
744 | |
745 | /** 0000 0100 bra.a %a0 */ | |
f9c7014e | 746 | ID(branch); DC(pc + IMMex(3)); |
c7927a3c NC |
747 | |
748 | /** 0111 1111 0100 rsrc bra.l %0 */ | |
f9c7014e | 749 | ID(branchrel); DR(rsrc); |
c7927a3c NC |
750 | |
751 | ||
752 | /** 0111 1111 0000 rsrc jmp %0 */ | |
f9c7014e | 753 | ID(branch); DR(rsrc); |
c7927a3c NC |
754 | |
755 | /** 0111 1111 0001 rsrc jsr %0 */ | |
756 | ID(jsr); DR(rsrc); | |
757 | ||
758 | /** 0011 1001 bsr.w %a0 */ | |
759 | ID(jsr); DC(pc + IMMex(2)); | |
760 | ||
761 | /** 0000 0101 bsr.a %a0 */ | |
762 | ID(jsr); DC(pc + IMMex(3)); | |
763 | ||
764 | /** 0111 1111 0101 rsrc bsr.l %0 */ | |
765 | ID(jsrrel); DR(rsrc); | |
766 | ||
767 | /** 0000 0010 rts */ | |
768 | ID(rts); | |
769 | ||
770 | /*----------------------------------------------------------------------*/ | |
771 | /* NOP */ | |
772 | ||
773 | /** 0000 0011 nop */ | |
774 | ID(nop); | |
775 | ||
776 | /*----------------------------------------------------------------------*/ | |
777 | /* STRING FUNCTIONS */ | |
778 | ||
779 | /** 0111 1111 1000 0011 scmpu */ | |
3cf79a01 | 780 | ID(scmpu); F___ZC; |
c7927a3c NC |
781 | |
782 | /** 0111 1111 1000 0111 smovu */ | |
783 | ID(smovu); | |
784 | ||
785 | /** 0111 1111 1000 1011 smovb */ | |
786 | ID(smovb); | |
787 | ||
788 | /** 0111 1111 1000 00sz suntil%s */ | |
3cf79a01 | 789 | ID(suntil); BWL(sz); F___ZC; |
c7927a3c NC |
790 | |
791 | /** 0111 1111 1000 01sz swhile%s */ | |
3cf79a01 | 792 | ID(swhile); BWL(sz); F___ZC; |
c7927a3c NC |
793 | |
794 | /** 0111 1111 1000 1111 smovf */ | |
795 | ID(smovf); | |
796 | ||
797 | /** 0111 1111 1000 10sz sstr%s */ | |
798 | ID(sstr); BWL(sz); | |
799 | ||
800 | /*----------------------------------------------------------------------*/ | |
801 | /* RMPA */ | |
802 | ||
803 | /** 0111 1111 1000 11sz rmpa%s */ | |
3cf79a01 | 804 | ID(rmpa); BWL(sz); F_OS__; |
c7927a3c NC |
805 | |
806 | /*----------------------------------------------------------------------*/ | |
807 | /* HI/LO stuff */ | |
808 | ||
809 | /** 1111 1101 0000 0000 srca srcb mulhi %1, %2 */ | |
3cf79a01 | 810 | ID(mulhi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
811 | |
812 | /** 1111 1101 0000 0001 srca srcb mullo %1, %2 */ | |
3cf79a01 | 813 | ID(mullo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
814 | |
815 | /** 1111 1101 0000 0100 srca srcb machi %1, %2 */ | |
3cf79a01 | 816 | ID(machi); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
817 | |
818 | /** 1111 1101 0000 0101 srca srcb maclo %1, %2 */ | |
3cf79a01 | 819 | ID(maclo); SR(srca); S2R(srcb); F_____; |
c7927a3c NC |
820 | |
821 | /** 1111 1101 0001 0111 0000 rsrc mvtachi %1 */ | |
3cf79a01 | 822 | ID(mvtachi); SR(rsrc); F_____; |
c7927a3c NC |
823 | |
824 | /** 1111 1101 0001 0111 0001 rsrc mvtaclo %1 */ | |
3cf79a01 | 825 | ID(mvtaclo); SR(rsrc); F_____; |
c7927a3c NC |
826 | |
827 | /** 1111 1101 0001 1111 0000 rdst mvfachi %0 */ | |
3cf79a01 | 828 | ID(mvfachi); DR(rdst); F_____; |
c7927a3c NC |
829 | |
830 | /** 1111 1101 0001 1111 0010 rdst mvfacmi %0 */ | |
3cf79a01 | 831 | ID(mvfacmi); DR(rdst); F_____; |
c7927a3c NC |
832 | |
833 | /** 1111 1101 0001 1111 0001 rdst mvfaclo %0 */ | |
3cf79a01 | 834 | ID(mvfaclo); DR(rdst); F_____; |
c7927a3c NC |
835 | |
836 | /** 1111 1101 0001 1000 000i 0000 racw #%1 */ | |
3cf79a01 | 837 | ID(racw); SC(i+1); F_____; |
c7927a3c NC |
838 | |
839 | /*----------------------------------------------------------------------*/ | |
840 | /* SAT */ | |
841 | ||
842 | /** 0111 1110 0011 rdst sat %0 */ | |
843 | ID(sat); DR (rdst); | |
844 | ||
845 | /** 0111 1111 1001 0011 satr */ | |
846 | ID(satr); | |
847 | ||
848 | /*----------------------------------------------------------------------*/ | |
849 | /* FLOAT */ | |
850 | ||
851 | /** 1111 1101 0111 0010 0010 rdst fadd #%1, %0 */ | |
3cf79a01 | 852 | ID(fadd); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
853 | |
854 | /** 1111 1100 1000 10sd rsrc rdst fadd %1%S1, %0 */ | |
3cf79a01 | 855 | ID(fadd); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
856 | |
857 | /** 1111 1101 0111 0010 0001 rdst fcmp #%1, %0 */ | |
3cf79a01 | 858 | ID(fcmp); DR(rdst); SC(IMM(0)); F_OSZ_; |
c7927a3c NC |
859 | |
860 | /** 1111 1100 1000 01sd rsrc rdst fcmp %1%S1, %0 */ | |
3cf79a01 | 861 | ID(fcmp); DR(rdst); SD(sd, rsrc, LSIZE); F_OSZ_; |
c7927a3c NC |
862 | |
863 | /** 1111 1101 0111 0010 0000 rdst fsub #%1, %0 */ | |
3cf79a01 | 864 | ID(fsub); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
865 | |
866 | /** 1111 1100 1000 00sd rsrc rdst fsub %1%S1, %0 */ | |
3cf79a01 | 867 | ID(fsub); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
868 | |
869 | /** 1111 1100 1001 01sd rsrc rdst ftoi %1%S1, %0 */ | |
3cf79a01 | 870 | ID(ftoi); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
871 | |
872 | /** 1111 1101 0111 0010 0011 rdst fmul #%1, %0 */ | |
3cf79a01 | 873 | ID(fmul); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
874 | |
875 | /** 1111 1100 1000 11sd rsrc rdst fmul %1%S1, %0 */ | |
3cf79a01 | 876 | ID(fmul); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
877 | |
878 | /** 1111 1101 0111 0010 0100 rdst fdiv #%1, %0 */ | |
3cf79a01 | 879 | ID(fdiv); DR(rdst); SC(IMM(0)); F__SZ_; |
c7927a3c NC |
880 | |
881 | /** 1111 1100 1001 00sd rsrc rdst fdiv %1%S1, %0 */ | |
3cf79a01 | 882 | ID(fdiv); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
883 | |
884 | /** 1111 1100 1001 10sd rsrc rdst round %1%S1, %0 */ | |
3cf79a01 | 885 | ID(round); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_; |
c7927a3c NC |
886 | |
887 | /** 1111 1100 0100 01sd rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 888 | ID(itof); DR (rdst); SP(sd, rsrc); F__SZ_; |
c7927a3c NC |
889 | |
890 | /** 0000 0110 mx10 00sd 0001 0001 rsrc rdst itof %1%S1, %0 */ | |
3cf79a01 | 891 | ID(itof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_; |
c7927a3c NC |
892 | |
893 | /*----------------------------------------------------------------------*/ | |
894 | /* BIT OPS */ | |
895 | ||
896 | /** 1111 00sd rdst 0bit bset #%1, %0%S0 */ | |
3cf79a01 | 897 | ID(bset); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
898 | |
899 | /** 1111 1100 0110 00sd rdst rsrc bset %1, %0%S0 */ | |
3cf79a01 | 900 | ID(bset); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
3531d549 DD |
901 | if (sd == 3) /* bset reg,reg */ |
902 | BWL(LSIZE); | |
c7927a3c NC |
903 | |
904 | /** 0111 100b ittt rdst bset #%1, %0 */ | |
3cf79a01 | 905 | ID(bset); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
906 | |
907 | ||
908 | /** 1111 00sd rdst 1bit bclr #%1, %0%S0 */ | |
3cf79a01 | 909 | ID(bclr); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____; |
c7927a3c NC |
910 | |
911 | /** 1111 1100 0110 01sd rdst rsrc bclr %1, %0%S0 */ | |
3cf79a01 | 912 | ID(bclr); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____; |
3531d549 DD |
913 | if (sd == 3) /* bset reg,reg */ |
914 | BWL(LSIZE); | |
c7927a3c NC |
915 | |
916 | /** 0111 101b ittt rdst bclr #%1, %0 */ | |
3cf79a01 | 917 | ID(bclr); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____; |
c7927a3c NC |
918 | |
919 | ||
920 | /** 1111 01sd rdst 0bit btst #%2, %1%S1 */ | |
3cf79a01 | 921 | ID(btst); BWL(BSIZE); S2C(bit); SD(sd, rdst, BSIZE); F___ZC; |
c7927a3c NC |
922 | |
923 | /** 1111 1100 0110 10sd rdst rsrc btst %2, %1%S1 */ | |
3cf79a01 | 924 | ID(btst); BWL(BSIZE); S2R(rsrc); SD(sd, rdst, BSIZE); F___ZC; |
3531d549 DD |
925 | if (sd == 3) /* bset reg,reg */ |
926 | BWL(LSIZE); | |
c7927a3c NC |
927 | |
928 | /** 0111 110b ittt rdst btst #%2, %1 */ | |
3cf79a01 | 929 | ID(btst); BWL(LSIZE); S2C(b*16+ittt); SR(rdst); F___ZC; |
c7927a3c NC |
930 | |
931 | ||
932 | /** 1111 1100 111bit sd rdst 1111 bnot #%1, %0%S0 */ | |
933 | ID(bnot); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); | |
934 | ||
935 | /** 1111 1100 0110 11sd rdst rsrc bnot %1, %0%S0 */ | |
936 | ID(bnot); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); | |
3531d549 DD |
937 | if (sd == 3) /* bset reg,reg */ |
938 | BWL(LSIZE); | |
c7927a3c NC |
939 | |
940 | /** 1111 1101 111bittt 1111 rdst bnot #%1, %0 */ | |
941 | ID(bnot); BWL(LSIZE); SC(bittt); DR(rdst); | |
942 | ||
943 | ||
944 | /** 1111 1100 111bit sd rdst cond bm%2 #%1, %0%S0 */ | |
945 | ID(bmcc); BWL(BSIZE); S2cc(cond); SC(bit); DD(sd, rdst, BSIZE); | |
946 | ||
947 | /** 1111 1101 111 bittt cond rdst bm%2 #%1, %0%S0 */ | |
948 | ID(bmcc); BWL(LSIZE); S2cc(cond); SC(bittt); DR(rdst); | |
949 | ||
950 | /*----------------------------------------------------------------------*/ | |
951 | /* CONTROL REGISTERS */ | |
952 | ||
953 | /** 0111 1111 1011 rdst clrpsw %0 */ | |
954 | ID(clrpsw); DF(rdst); | |
955 | ||
956 | /** 0111 1111 1010 rdst setpsw %0 */ | |
957 | ID(setpsw); DF(rdst); | |
958 | ||
0d734b5d DD |
959 | /** 0111 0101 0111 0000 0000 immm mvtipl #%1 */ |
960 | ID(mvtipl); SC(immm); | |
961 | ||
c7927a3c NC |
962 | /** 0111 1110 111 crdst popc %0 */ |
963 | ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(crdst + 16); | |
964 | ||
965 | /** 0111 1110 110 crsrc pushc %1 */ | |
966 | ID(mov); OP(0, RX_Operand_Predec, 0, 0); SR(crsrc + 16); | |
967 | ||
968 | /** 1111 1101 0111 im11 000crdst mvtc #%1, %0 */ | |
969 | ID(mov); SC(IMMex(im)); DR(crdst + 16); | |
970 | ||
971 | /** 1111 1101 0110 100c rsrc rdst mvtc %1, %0 */ | |
972 | ID(mov); SR(rsrc); DR(c*16+rdst + 16); | |
973 | ||
974 | /** 1111 1101 0110 101s rsrc rdst mvfc %1, %0 */ | |
975 | ID(mov); SR((s*16+rsrc) + 16); DR(rdst); | |
976 | ||
c7927a3c NC |
977 | /*----------------------------------------------------------------------*/ |
978 | /* INTERRUPTS */ | |
979 | ||
980 | /** 0111 1111 1001 0100 rtfi */ | |
981 | ID(rtfi); | |
982 | ||
983 | /** 0111 1111 1001 0101 rte */ | |
984 | ID(rte); | |
985 | ||
986 | /** 0000 0000 brk */ | |
987 | ID(brk); | |
988 | ||
989 | /** 0000 0001 dbt */ | |
990 | ID(dbt); | |
991 | ||
992 | /** 0111 0101 0110 0000 int #%1 */ | |
993 | ID(int); SC(IMM(1)); | |
994 | ||
995 | /** 0111 1111 1001 0110 wait */ | |
996 | ID(wait); | |
997 | ||
998 | /*----------------------------------------------------------------------*/ | |
999 | /* SCcnd */ | |
1000 | ||
1001 | /** 1111 1100 1101 sz sd rdst cond sc%1%s %0 */ | |
1002 | ID(sccnd); BWL(sz); DD (sd, rdst, sz); Scc(cond); | |
1003 | ||
1004 | /** */ | |
1005 | ||
1006 | return rx->n_bytes; | |
1007 | } |