2 /* Copyright (C) 2012-2015 Free Software Foundation, Inc.
3 Contributed by Red Hat.
6 This file is part of the GNU opcodes library.
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)
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.
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. */
28 #include "opcode/rx.h"
30 #define RX_OPCODE_BIG_ENDIAN 0
34 RX_Opcode_Decoded * rx;
35 int (* getbyte)(void *);
46 /* These are for when the upper bits are "don't care" or "undefined". */
52 RX_Bad_Size /* Bogus instructions can have a size field set to 3. */
60 RX_Bad_Size /* Bogus instructions can have a size field set to 3. */
67 RX_Bad_Size,/* Bogus instructions can have a size field set to 2. */
68 RX_Bad_Size /* Bogus instructions can have a size field set to 3. */
79 #define ID(x) rx->id = RXO_##x
80 #define OP(n,t,r,a) (rx->op[n].type = t, \
82 rx->op[n].addend = a )
83 #define OPs(n,t,r,a,s) (OP (n,t,r,a), \
86 /* This is for the BWL and BW bitfields. */
87 static int SCALE[] = { 1, 2, 4, 0 };
88 /* This is for the prefix size enum. */
89 static int PSCALE[] = { 4, 1, 1, 1, 2, 2, 2, 3, 4 };
91 static int flagmap[] = {0, 1, 2, 3, 0, 0, 0, 0,
92 16, 17, 0, 0, 0, 0, 0, 0 };
94 static int dsp3map[] = { 8, 9, 10, 3, 4, 5, 6, 7 };
97 *C a constant (immediate) c
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. */
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)
113 #define SC(i) OP (1, RX_Operand_Immediate, 0, i)
114 #define SR(r) OP (1, RX_Operand_Register, r, 0)
115 #define SRR(r) OP (1, RX_Operand_TwoReg, r, 0)
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)
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)
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 uBW(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = ubw[sz]
135 #define P(t, n) rx->op[n].size = (t!=3) ? RX_UByte : RX_Long;
137 #define F(f) store_flags(rx, f)
139 #define AU ATTRIBUTE_UNUSED
140 #define GETBYTE() (ld->op [ld->rx->n_bytes++] = ld->getbyte (ld->ptr))
142 #define SYNTAX(x) rx->syntax = x
144 #define UNSUPPORTED() \
145 rx->syntax = "*unknown*"
147 #define IMM(sf) immediate (sf, 0, ld)
148 #define IMMex(sf) immediate (sf, 1, ld)
151 immediate (int sfield, int ex, LocalData * ld)
153 unsigned long i = 0, j;
157 #define B ((unsigned long) GETBYTE())
159 #if RX_OPCODE_BIG_ENDIAN
161 if (ex && (i & 0x80))
172 if (ex && (j & 0x80))
178 #if RX_OPCODE_BIG_ENDIAN
187 if (ex && (i & 0x800000))
191 #if RX_OPCODE_BIG_ENDIAN
198 if (ex && (i & 0x8000))
203 if (ex && (i & 0x80))
213 rx_disp (int n, int type, int reg, int size, LocalData * ld)
217 ld->rx->op[n].reg = reg;
221 ld->rx->op[n].type = RX_Operand_Register;
224 ld->rx->op[n].type = RX_Operand_Zero_Indirect;
225 ld->rx->op[n].addend = 0;
228 ld->rx->op[n].type = RX_Operand_Indirect;
230 ld->rx->op[n].addend = disp * PSCALE[size];
233 ld->rx->op[n].type = RX_Operand_Indirect;
235 #if RX_OPCODE_BIG_ENDIAN
236 disp = disp * 256 + GETBYTE ();
238 disp = disp + GETBYTE () * 256;
240 ld->rx->op[n].addend = disp * PSCALE[size];
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;
263 rx_decode_opcode (unsigned long pc AU,
264 RX_Opcode_Decoded * rx,
265 int (* getbyte)(void *),
268 LocalData lds, * ld = &lds;
269 unsigned char op[20] = {0};
272 lds.getbyte = getbyte;
276 memset (rx, 0, sizeof (*rx));
279 /** VARY sz 00 01 10 */
281 /*----------------------------------------------------------------------*/
284 /** 0111 0101 0100 rdst mov%s #%1, %0 */
285 ID(mov); DR(rdst); SC(IMM (1)); F_____;
287 /** 1111 10sd rdst im sz mov%s #%1, %0 */
288 ID(mov); DD(sd, rdst, sz);
289 if ((im == 1 && sz == 0)
290 || (im == 2 && sz == 1)
291 || (im == 0 && sz == 2))
303 /** 0110 0110 immm rdst mov%s #%1, %0 */
304 ID(mov); DR(rdst); SC(immm); F_____;
306 /** 0011 11sz d dst sppp mov%s #%1, %0 */
307 ID(mov); sBWL (sz); DIs(dst, d*16+sppp, sz); SC(IMM(1)); F_____;
309 /** 11sz sd ss rsrc rdst mov%s %1, %0 */
310 if (sd == 3 && ss == 3 && sz == 2 && rsrc == 0 && rdst == 0)
313 SYNTAX ("nop\t; mov.l\tr0, r0");
317 ID(mov); sBWL(sz); F_____;
318 if ((ss == 3) && (sd != 3))
320 SD(ss, rdst, sz); DD(sd, rsrc, sz);
324 SD(ss, rsrc, sz); DD(sd, rdst, sz);
328 /** 10sz 1dsp a src b dst mov%s %1, %0 */
329 ID(mov); sBWL(sz); DR(dst); SIs(src, dsp*4+a*2+b, sz); F_____;
331 /** 10sz 0dsp a dst b src mov%s %1, %0 */
332 ID(mov); sBWL(sz); DIs(dst, dsp*4+a*2+b, sz); SR(src); F_____;
334 /** 1111 1110 01sz isrc bsrc rdst mov%s [%1, %2], %0 */
335 ID(movbi); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____;
337 /** 1111 1110 00sz isrc bsrc rdst mov%s %0, [%1, %2] */
338 ID(movbir); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____;
340 /** 1111 1110 11sz isrc bsrc rdst movu%s [%1, %2], %0 */
341 ID(movbi); uBW(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____;
343 /** 1111 1101 0010 0p sz rdst rsrc mov%s %1, %0 */
344 ID(mov); sBWL (sz); SR(rsrc); F_____;
345 OP(0, p ? RX_Operand_Predec : RX_Operand_Postinc, rdst, 0);
347 /** 1111 1101 0010 1p sz rsrc rdst mov%s %1, %0 */
348 ID(mov); sBWL (sz); DR(rdst); F_____;
349 OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0);
351 /** 1011 w dsp a src b dst movu%s %1, %0 */
352 ID(mov); uBW(w); DR(dst); SIs(src, dsp*4+a*2+b, w); F_____;
354 /** 0101 1 s ss rsrc rdst movu%s %1, %0 */
355 ID(mov); uBW(s); SD(ss, rsrc, s); DR(rdst); F_____;
357 /** 1111 1101 0011 1p sz rsrc rdst movu%s %1, %0 */
358 ID(mov); uBW (sz); DR(rdst); F_____;
359 OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0);
361 /*----------------------------------------------------------------------*/
364 /** 0110 1111 dsta dstb popm %1-%2 */
365 ID(popm); SR(dsta); S2R(dstb); F_____;
367 /** 0110 1110 dsta dstb pushm %1-%2 */
368 ID(pushm); SR(dsta); S2R(dstb); F_____;
370 /** 0111 1110 1011 rdst pop %0 */
371 ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(rdst); F_____;
373 /** 0111 1110 10sz rsrc push%s %1 */
374 ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SR(rsrc); F_____;
376 /** 1111 01ss rsrc 10sz push%s %1 */
377 ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SD(ss, rsrc, sz); F_____;
379 /*----------------------------------------------------------------------*/
382 /** 1111 1100 0100 00ss rsrc rdst xchg %1%S1, %0 */
383 ID(xchg); DR(rdst); SP(ss, rsrc);
385 /** 0000 0110 mx10 00ss 0001 0000 rsrc rdst xchg %1%S1, %0 */
386 ID(xchg); DR(rdst); SPm(ss, rsrc, mx);
388 /*----------------------------------------------------------------------*/
391 /** 1111 1101 0111 im00 1110rdst stz #%1, %0 */
392 ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_z);
394 /** 1111 1101 0111 im00 1111rdst stnz #%1, %0 */
395 ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_nz);
397 /*----------------------------------------------------------------------*/
400 /** 0110 0111 rtsd #%1 */
401 ID(rtsd); SC(IMM(1) * 4);
403 /** 0011 1111 rega regb rtsd #%1, %2-%0 */
404 ID(rtsd); SC(IMM(1) * 4); S2R(rega); DR(regb);
406 /*----------------------------------------------------------------------*/
409 /** 0110 0100 immm rdst and #%1, %0 */
410 ID(and); SC(immm); DR(rdst); F__SZ_;
412 /** 0111 01im 0010 rdst and #%1, %0 */
413 ID(and); SC(IMMex(im)); DR(rdst); F__SZ_;
415 /** 0101 00ss rsrc rdst and %1%S1, %0 */
416 ID(and); SP(ss, rsrc); DR(rdst); F__SZ_;
418 /** 0000 0110 mx01 00ss rsrc rdst and %1%S1, %0 */
419 ID(and); SPm(ss, rsrc, mx); DR(rdst); F__SZ_;
421 /** 1111 1111 0100 rdst srca srcb and %2, %1, %0 */
422 ID(and); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
424 /*----------------------------------------------------------------------*/
427 /** 0110 0101 immm rdst or #%1, %0 */
428 ID(or); SC(immm); DR(rdst); F__SZ_;
430 /** 0111 01im 0011 rdst or #%1, %0 */
431 ID(or); SC(IMMex(im)); DR(rdst); F__SZ_;
433 /** 0101 01ss rsrc rdst or %1%S1, %0 */
434 ID(or); SP(ss, rsrc); DR(rdst); F__SZ_;
436 /** 0000 0110 mx01 01ss rsrc rdst or %1%S1, %0 */
437 ID(or); SPm(ss, rsrc, mx); DR(rdst); F__SZ_;
439 /** 1111 1111 0101 rdst srca srcb or %2, %1, %0 */
440 ID(or); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
442 /*----------------------------------------------------------------------*/
445 /** 1111 1101 0111 im00 1101rdst xor #%1, %0 */
446 ID(xor); SC(IMMex(im)); DR(rdst); F__SZ_;
448 /** 1111 1100 0011 01ss rsrc rdst xor %1%S1, %0 */
449 ID(xor); SP(ss, rsrc); DR(rdst); F__SZ_;
451 /** 0000 0110 mx10 00ss 0000 1101 rsrc rdst xor %1%S1, %0 */
452 ID(xor); SPm(ss, rsrc, mx); DR(rdst); F__SZ_;
454 /*----------------------------------------------------------------------*/
457 /** 0111 1110 0000 rdst not %0 */
458 ID(xor); DR(rdst); SR(rdst); S2C(~0); F__SZ_;
460 /** 1111 1100 0011 1011 rsrc rdst not %1, %0 */
461 ID(xor); DR(rdst); SR(rsrc); S2C(~0); F__SZ_;
463 /*----------------------------------------------------------------------*/
466 /** 1111 1101 0111 im00 1100rdst tst #%1, %2 */
467 ID(and); SC(IMMex(im)); S2R(rdst); F__SZ_;
469 /** 1111 1100 0011 00ss rsrc rdst tst %1%S1, %2 */
470 ID(and); SP(ss, rsrc); S2R(rdst); F__SZ_;
472 /** 0000 0110 mx10 00ss 0000 1100 rsrc rdst tst %1%S1, %2 */
473 ID(and); SPm(ss, rsrc, mx); S2R(rdst); F__SZ_;
475 /*----------------------------------------------------------------------*/
478 /** 0111 1110 0001 rdst neg %0 */
479 ID(sub); DR(rdst); SC(0); S2R(rdst); F_OSZC;
481 /** 1111 1100 0000 0111 rsrc rdst neg %2, %0 */
482 ID(sub); DR(rdst); SC(0); S2R(rsrc); F_OSZC;
484 /*----------------------------------------------------------------------*/
487 /** 1111 1101 0111 im00 0010rdst adc #%1, %0 */
488 ID(adc); SC(IMMex(im)); DR(rdst); F_OSZC;
490 /** 1111 1100 0000 1011 rsrc rdst adc %1, %0 */
491 ID(adc); SR(rsrc); DR(rdst); F_OSZC;
493 /** 0000 0110 1010 00ss 0000 0010 rsrc rdst adc %1%S1, %0 */
494 ID(adc); SPm(ss, rsrc, 2); DR(rdst); F_OSZC;
496 /*----------------------------------------------------------------------*/
499 /** 0110 0010 immm rdst add #%1, %0 */
500 ID(add); SC(immm); DR(rdst); F_OSZC;
502 /** 0100 10ss rsrc rdst add %1%S1, %0 */
503 ID(add); SP(ss, rsrc); DR(rdst); F_OSZC;
505 /** 0000 0110 mx00 10ss rsrc rdst add %1%S1, %0 */
506 ID(add); SPm(ss, rsrc, mx); DR(rdst); F_OSZC;
508 /** 0111 00im rsrc rdst add #%1, %2, %0 */
509 ID(add); SC(IMMex(im)); S2R(rsrc); DR(rdst); F_OSZC;
511 /** 1111 1111 0010 rdst srca srcb add %2, %1, %0 */
512 ID(add); DR(rdst); SR(srcb); S2R(srca); F_OSZC;
514 /*----------------------------------------------------------------------*/
517 /** 0110 0001 immm rdst cmp #%2, %1 */
518 ID(sub); S2C(immm); SR(rdst); F_OSZC;
520 /** 0111 01im 0000 rsrc cmp #%2, %1%S1 */
521 ID(sub); SR(rsrc); S2C(IMMex(im)); F_OSZC;
523 /** 0111 0101 0101 rsrc cmp #%2, %1 */
524 ID(sub); SR(rsrc); S2C(IMM(1)); F_OSZC;
526 /** 0100 01ss rsrc rdst cmp %2%S2, %1 */
527 ID(sub); S2P(ss, rsrc); SR(rdst); F_OSZC;
529 /** 0000 0110 mx00 01ss rsrc rdst cmp %2%S2, %1 */
530 ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); F_OSZC;
532 /*----------------------------------------------------------------------*/
535 /** 0110 0000 immm rdst sub #%2, %0 */
536 ID(sub); S2C(immm); SR(rdst); DR(rdst); F_OSZC;
538 /** 0100 00ss rsrc rdst sub %2%S2, %1 */
539 ID(sub); S2P(ss, rsrc); SR(rdst); DR(rdst); F_OSZC;
541 /** 0000 0110 mx00 00ss rsrc rdst sub %2%S2, %1 */
542 ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); DR(rdst); F_OSZC;
544 /** 1111 1111 0000 rdst srca srcb sub %2, %1, %0 */
545 ID(sub); DR(rdst); SR(srcb); S2R(srca); F_OSZC;
547 /*----------------------------------------------------------------------*/
550 /** 1111 1100 0000 0011 rsrc rdst sbb %1, %0 */
551 ID(sbb); SR (rsrc); DR(rdst); F_OSZC;
553 /* FIXME: only supports .L */
554 /** 0000 0110 mx10 00sp 0000 0000 rsrc rdst sbb %1%S1, %0 */
555 ID(sbb); SPm(sp, rsrc, mx); DR(rdst); F_OSZC;
557 /*----------------------------------------------------------------------*/
560 /** 0111 1110 0010 rdst abs %0 */
561 ID(abs); DR(rdst); SR(rdst); F_OSZ_;
563 /** 1111 1100 0000 1111 rsrc rdst abs %1, %0 */
564 ID(abs); DR(rdst); SR(rsrc); F_OSZ_;
566 /*----------------------------------------------------------------------*/
569 /** 1111 1101 0111 im00 0100rdst max #%1, %0 */
570 int val = IMMex (im);
571 if (im == 0 && (unsigned) val == 0x80000000 && rdst == 0)
574 SYNTAX("nop\t; max\t#0x80000000, r0");
582 /** 1111 1100 0001 00ss rsrc rdst max %1%S1, %0 */
583 if (ss == 3 && rsrc == 0 && rdst == 0)
586 SYNTAX("nop\t; max\tr0, r0");
590 ID(max); SP(ss, rsrc); DR(rdst);
593 /** 0000 0110 mx10 00ss 0000 0100 rsrc rdst max %1%S1, %0 */
594 ID(max); SPm(ss, rsrc, mx); DR(rdst);
596 /*----------------------------------------------------------------------*/
599 /** 1111 1101 0111 im00 0101rdst min #%1, %0 */
600 ID(min); DR(rdst); SC(IMMex(im));
602 /** 1111 1100 0001 01ss rsrc rdst min %1%S1, %0 */
603 ID(min); SP(ss, rsrc); DR(rdst);
605 /** 0000 0110 mx10 00ss 0000 0101 rsrc rdst min %1%S1, %0 */
606 ID(min); SPm(ss, rsrc, mx); DR(rdst);
608 /*----------------------------------------------------------------------*/
611 /** 0110 0011 immm rdst mul #%1, %0 */
612 if (immm == 1 && rdst == 0)
615 SYNTAX ("nop\t; mul\t#1, r0");
621 DR(rdst); SC(immm); F_____;
623 /** 0111 01im 0001rdst mul #%1, %0 */
625 if (val == 1 && rdst == 0)
627 SYNTAX("nop\t; mul\t#1, r0");
630 case 2: ID(nop4); break;
631 case 3: ID(nop5); break;
632 case 0: ID(nop6); break;
635 SYNTAX("mul #%1, %0");
643 DR(rdst); SC(val); F_____;
645 /** 0100 11ss rsrc rdst mul %1%S1, %0 */
646 ID(mul); SP(ss, rsrc); DR(rdst); F_____;
648 /** 0000 0110 mx00 11ss rsrc rdst mul %1%S1, %0 */
649 ID(mul); SPm(ss, rsrc, mx); DR(rdst); F_____;
651 /** 1111 1111 0011 rdst srca srcb mul %2, %1, %0 */
652 ID(mul); DR(rdst); SR(srcb); S2R(srca); F_____;
654 /*----------------------------------------------------------------------*/
657 /** 1111 1101 0111 im00 0110rdst emul #%1, %0 */
658 ID(emul); DR(rdst); SC(IMMex(im));
660 /** 1111 1100 0001 10ss rsrc rdst emul %1%S1, %0 */
661 ID(emul); SP(ss, rsrc); DR(rdst);
663 /** 0000 0110 mx10 00ss 0000 0110 rsrc rdst emul %1%S1, %0 */
664 ID(emul); SPm(ss, rsrc, mx); DR(rdst);
666 /*----------------------------------------------------------------------*/
669 /** 1111 1101 0111 im00 0111rdst emulu #%1, %0 */
670 ID(emulu); DR(rdst); SC(IMMex(im));
672 /** 1111 1100 0001 11ss rsrc rdst emulu %1%S1, %0 */
673 ID(emulu); SP(ss, rsrc); DR(rdst);
675 /** 0000 0110 mx10 00ss 0000 0111 rsrc rdst emulu %1%S1, %0 */
676 ID(emulu); SPm(ss, rsrc, mx); DR(rdst);
678 /*----------------------------------------------------------------------*/
681 /** 1111 1101 0111 im00 1000rdst div #%1, %0 */
682 ID(div); DR(rdst); SC(IMMex(im)); F_O___;
684 /** 1111 1100 0010 00ss rsrc rdst div %1%S1, %0 */
685 ID(div); SP(ss, rsrc); DR(rdst); F_O___;
687 /** 0000 0110 mx10 00ss 0000 1000 rsrc rdst div %1%S1, %0 */
688 ID(div); SPm(ss, rsrc, mx); DR(rdst); F_O___;
690 /*----------------------------------------------------------------------*/
693 /** 1111 1101 0111 im00 1001rdst divu #%1, %0 */
694 ID(divu); DR(rdst); SC(IMMex(im)); F_O___;
696 /** 1111 1100 0010 01ss rsrc rdst divu %1%S1, %0 */
697 ID(divu); SP(ss, rsrc); DR(rdst); F_O___;
699 /** 0000 0110 mx10 00ss 0000 1001 rsrc rdst divu %1%S1, %0 */
700 ID(divu); SPm(ss, rsrc, mx); DR(rdst); F_O___;
702 /*----------------------------------------------------------------------*/
705 /** 0110 110i mmmm rdst shll #%2, %0 */
706 ID(shll); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_OSZC;
708 /** 1111 1101 0110 0010 rsrc rdst shll %2, %0 */
709 ID(shll); S2R(rsrc); SR(rdst); DR(rdst); F_OSZC;
711 /** 1111 1101 110immmm rsrc rdst shll #%2, %1, %0 */
712 ID(shll); S2C(immmm); SR(rsrc); DR(rdst); F_OSZC;
715 /** 0110 101i mmmm rdst shar #%2, %0 */
716 ID(shar); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_0SZC;
718 /** 1111 1101 0110 0001 rsrc rdst shar %2, %0 */
719 ID(shar); S2R(rsrc); SR(rdst); DR(rdst); F_0SZC;
721 /** 1111 1101 101immmm rsrc rdst shar #%2, %1, %0 */
722 ID(shar); S2C(immmm); SR(rsrc); DR(rdst); F_0SZC;
725 /** 0110 100i mmmm rdst shlr #%2, %0 */
726 ID(shlr); S2C(i*16+mmmm); SR(rdst); DR(rdst); F__SZC;
728 /** 1111 1101 0110 0000 rsrc rdst shlr %2, %0 */
729 ID(shlr); S2R(rsrc); SR(rdst); DR(rdst); F__SZC;
731 /** 1111 1101 100immmm rsrc rdst shlr #%2, %1, %0 */
732 ID(shlr); S2C(immmm); SR(rsrc); DR(rdst); F__SZC;
734 /*----------------------------------------------------------------------*/
737 /** 0111 1110 0101 rdst rolc %0 */
738 ID(rolc); DR(rdst); F__SZC;
740 /** 0111 1110 0100 rdst rorc %0 */
741 ID(rorc); DR(rdst); F__SZC;
743 /** 1111 1101 0110 111i mmmm rdst rotl #%1, %0 */
744 ID(rotl); SC(i*16+mmmm); DR(rdst); F__SZC;
746 /** 1111 1101 0110 0110 rsrc rdst rotl %1, %0 */
747 ID(rotl); SR(rsrc); DR(rdst); F__SZC;
749 /** 1111 1101 0110 110i mmmm rdst rotr #%1, %0 */
750 ID(rotr); SC(i*16+mmmm); DR(rdst); F__SZC;
752 /** 1111 1101 0110 0100 rsrc rdst rotr %1, %0 */
753 ID(rotr); SR(rsrc); DR(rdst); F__SZC;
755 /** 1111 1101 0110 0101 rsrc rdst revw %1, %0 */
756 ID(revw); SR(rsrc); DR(rdst);
758 /** 1111 1101 0110 0111 rsrc rdst revl %1, %0 */
759 ID(revl); SR(rsrc); DR(rdst);
761 /*----------------------------------------------------------------------*/
764 /** 0001 n dsp b%1.s %a0 */
765 ID(branch); Scc(n); DC(pc + dsp3map[dsp]);
767 /** 0010 cond b%1.b %a0 */
768 ID(branch); Scc(cond); DC(pc + IMMex (1));
770 /** 0011 101c b%1.w %a0 */
771 ID(branch); Scc(c); DC(pc + IMMex (2));
774 /** 0000 1dsp bra.s %a0 */
775 ID(branch); DC(pc + dsp3map[dsp]);
777 /** 0010 1110 bra.b %a0 */
778 ID(branch); DC(pc + IMMex(1));
780 /** 0011 1000 bra.w %a0 */
781 ID(branch); DC(pc + IMMex(2));
783 /** 0000 0100 bra.a %a0 */
784 ID(branch); DC(pc + IMMex(3));
786 /** 0111 1111 0100 rsrc bra.l %0 */
787 ID(branchrel); DR(rsrc);
790 /** 0111 1111 0000 rsrc jmp %0 */
791 ID(branch); DR(rsrc);
793 /** 0111 1111 0001 rsrc jsr %0 */
796 /** 0011 1001 bsr.w %a0 */
797 ID(jsr); DC(pc + IMMex(2));
799 /** 0000 0101 bsr.a %a0 */
800 ID(jsr); DC(pc + IMMex(3));
802 /** 0111 1111 0101 rsrc bsr.l %0 */
803 ID(jsrrel); DR(rsrc);
808 /*----------------------------------------------------------------------*/
814 /*----------------------------------------------------------------------*/
815 /* STRING FUNCTIONS */
817 /** 0111 1111 1000 0011 scmpu */
820 /** 0111 1111 1000 0111 smovu */
823 /** 0111 1111 1000 1011 smovb */
826 /** 0111 1111 1000 00sz suntil%s */
827 ID(suntil); BWL(sz); F___ZC;
829 /** 0111 1111 1000 01sz swhile%s */
830 ID(swhile); BWL(sz); F___ZC;
832 /** 0111 1111 1000 1111 smovf */
835 /** 0111 1111 1000 10sz sstr%s */
838 /*----------------------------------------------------------------------*/
841 /** 0111 1111 1000 11sz rmpa%s */
842 ID(rmpa); BWL(sz); F_OS__;
844 /*----------------------------------------------------------------------*/
847 /** 1111 1101 0000 0000 srca srcb mulhi %1, %2 */
848 ID(mulhi); SR(srca); S2R(srcb); F_____;
850 /** 1111 1101 0000 0001 srca srcb mullo %1, %2 */
851 ID(mullo); SR(srca); S2R(srcb); F_____;
853 /** 1111 1101 0000 0100 srca srcb machi %1, %2 */
854 ID(machi); SR(srca); S2R(srcb); F_____;
856 /** 1111 1101 0000 0101 srca srcb maclo %1, %2 */
857 ID(maclo); SR(srca); S2R(srcb); F_____;
859 /** 1111 1101 0001 0111 0000 rsrc mvtachi %1 */
860 ID(mvtachi); SR(rsrc); F_____;
862 /** 1111 1101 0001 0111 0001 rsrc mvtaclo %1 */
863 ID(mvtaclo); SR(rsrc); F_____;
865 /** 1111 1101 0001 1111 0000 rdst mvfachi %0 */
866 ID(mvfachi); DR(rdst); F_____;
868 /** 1111 1101 0001 1111 0010 rdst mvfacmi %0 */
869 ID(mvfacmi); DR(rdst); F_____;
871 /** 1111 1101 0001 1111 0001 rdst mvfaclo %0 */
872 ID(mvfaclo); DR(rdst); F_____;
874 /** 1111 1101 0001 1000 000i 0000 racw #%1 */
875 ID(racw); SC(i+1); F_____;
877 /*----------------------------------------------------------------------*/
880 /** 0111 1110 0011 rdst sat %0 */
883 /** 0111 1111 1001 0011 satr */
886 /*----------------------------------------------------------------------*/
889 /** 1111 1101 0111 0010 0010 rdst fadd #%1, %0 */
890 ID(fadd); DR(rdst); SC(IMM(0)); F__SZ_;
892 /** 1111 1100 1000 10sd rsrc rdst fadd %1%S1, %0 */
893 ID(fadd); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
895 /** 1111 1101 0111 0010 0001 rdst fcmp #%1, %0 */
896 ID(fcmp); DR(rdst); SC(IMM(0)); F_OSZ_;
898 /** 1111 1100 1000 01sd rsrc rdst fcmp %1%S1, %0 */
899 ID(fcmp); DR(rdst); SD(sd, rsrc, LSIZE); F_OSZ_;
901 /** 1111 1101 0111 0010 0000 rdst fsub #%1, %0 */
902 ID(fsub); DR(rdst); SC(IMM(0)); F__SZ_;
904 /** 1111 1100 1000 00sd rsrc rdst fsub %1%S1, %0 */
905 ID(fsub); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
907 /** 1111 1100 1001 01sd rsrc rdst ftoi %1%S1, %0 */
908 ID(ftoi); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
910 /** 1111 1101 0111 0010 0011 rdst fmul #%1, %0 */
911 ID(fmul); DR(rdst); SC(IMM(0)); F__SZ_;
913 /** 1111 1100 1000 11sd rsrc rdst fmul %1%S1, %0 */
914 ID(fmul); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
916 /** 1111 1101 0111 0010 0100 rdst fdiv #%1, %0 */
917 ID(fdiv); DR(rdst); SC(IMM(0)); F__SZ_;
919 /** 1111 1100 1001 00sd rsrc rdst fdiv %1%S1, %0 */
920 ID(fdiv); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
922 /** 1111 1100 1001 10sd rsrc rdst round %1%S1, %0 */
923 ID(round); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
925 /** 1111 1100 0100 01sd rsrc rdst itof %1%S1, %0 */
926 ID(itof); DR (rdst); SP(sd, rsrc); F__SZ_;
928 /** 0000 0110 mx10 00sd 0001 0001 rsrc rdst itof %1%S1, %0 */
929 ID(itof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_;
931 /*----------------------------------------------------------------------*/
934 /** 1111 00sd rdst 0bit bset #%1, %0%S0 */
935 ID(bset); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____;
937 /** 1111 1100 0110 00sd rdst rsrc bset %1, %0%S0 */
938 ID(bset); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____;
939 if (sd == 3) /* bset reg,reg */
942 /** 0111 100b ittt rdst bset #%1, %0 */
943 ID(bset); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____;
946 /** 1111 00sd rdst 1bit bclr #%1, %0%S0 */
947 ID(bclr); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____;
949 /** 1111 1100 0110 01sd rdst rsrc bclr %1, %0%S0 */
950 ID(bclr); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____;
951 if (sd == 3) /* bset reg,reg */
954 /** 0111 101b ittt rdst bclr #%1, %0 */
955 ID(bclr); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____;
958 /** 1111 01sd rdst 0bit btst #%2, %1%S1 */
959 ID(btst); BWL(BSIZE); S2C(bit); SD(sd, rdst, BSIZE); F___ZC;
961 /** 1111 1100 0110 10sd rdst rsrc btst %2, %1%S1 */
962 ID(btst); BWL(BSIZE); S2R(rsrc); SD(sd, rdst, BSIZE); F___ZC;
963 if (sd == 3) /* bset reg,reg */
966 /** 0111 110b ittt rdst btst #%2, %1 */
967 ID(btst); BWL(LSIZE); S2C(b*16+ittt); SR(rdst); F___ZC;
970 /** 1111 1100 111bit sd rdst 1111 bnot #%1, %0%S0 */
971 ID(bnot); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE);
973 /** 1111 1100 0110 11sd rdst rsrc bnot %1, %0%S0 */
974 ID(bnot); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE);
975 if (sd == 3) /* bset reg,reg */
978 /** 1111 1101 111bittt 1111 rdst bnot #%1, %0 */
979 ID(bnot); BWL(LSIZE); SC(bittt); DR(rdst);
982 /** 1111 1100 111bit sd rdst cond bm%2 #%1, %0%S0 */
983 ID(bmcc); BWL(BSIZE); S2cc(cond); SC(bit); DD(sd, rdst, BSIZE);
985 /** 1111 1101 111 bittt cond rdst bm%2 #%1, %0%S0 */
986 ID(bmcc); BWL(LSIZE); S2cc(cond); SC(bittt); DR(rdst);
988 /*----------------------------------------------------------------------*/
989 /* CONTROL REGISTERS */
991 /** 0111 1111 1011 rdst clrpsw %0 */
992 ID(clrpsw); DF(rdst);
994 /** 0111 1111 1010 rdst setpsw %0 */
995 ID(setpsw); DF(rdst);
997 /** 0111 0101 0111 0000 0000 immm mvtipl #%1 */
998 ID(mvtipl); SC(immm);
1000 /** 0111 1110 111 crdst popc %0 */
1001 ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(crdst + 16);
1003 /** 0111 1110 110 crsrc pushc %1 */
1004 ID(mov); OP(0, RX_Operand_Predec, 0, 0); SR(crsrc + 16);
1006 /** 1111 1101 0111 im11 000crdst mvtc #%1, %0 */
1007 ID(mov); SC(IMMex(im)); DR(crdst + 16);
1009 /** 1111 1101 0110 100c rsrc rdst mvtc %1, %0 */
1010 ID(mov); SR(rsrc); DR(c*16+rdst + 16);
1012 /** 1111 1101 0110 101s rsrc rdst mvfc %1, %0 */
1013 ID(mov); SR((s*16+rsrc) + 16); DR(rdst);
1015 /*----------------------------------------------------------------------*/
1018 /** 0111 1111 1001 0100 rtfi */
1021 /** 0111 1111 1001 0101 rte */
1024 /** 0000 0000 brk */
1027 /** 0000 0001 dbt */
1030 /** 0111 0101 0110 0000 int #%1 */
1031 ID(int); SC(IMM(1));
1033 /** 0111 1111 1001 0110 wait */
1036 /*----------------------------------------------------------------------*/
1039 /** 1111 1100 1101 sz sd rdst cond sc%1%s %0 */
1040 ID(sccnd); BWL(sz); DD (sd, rdst, sz); Scc(cond);