2 /* Copyright (C) 2012-2017 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"
29 #include "libiberty.h"
31 #define RX_OPCODE_BIG_ENDIAN 0
35 RX_Opcode_Decoded * rx;
36 int (* getbyte)(void *);
47 /* These are for when the upper bits are "don't care" or "undefined". */
53 RX_Bad_Size /* Bogus instructions can have a size field set to 3. */
61 RX_Bad_Size /* Bogus instructions can have a size field set to 3. */
68 RX_Bad_Size,/* Bogus instructions can have a size field set to 2. */
69 RX_Bad_Size /* Bogus instructions can have a size field set to 3. */
80 #define ID(x) rx->id = RXO_##x
81 #define OP(n,t,r,a) (rx->op[n].type = t, \
83 rx->op[n].addend = a )
84 #define OPs(n,t,r,a,s) (OP (n,t,r,a), \
87 /* This is for the BWL and BW bitfields. */
88 static int SCALE[] = { 1, 2, 4, 0 };
89 /* This is for the prefix size enum. */
90 static int PSCALE[] = { 4, 1, 1, 1, 2, 2, 2, 3, 4 };
92 #define GET_SCALE(_indx) ((unsigned)(_indx) < ARRAY_SIZE (SCALE) ? SCALE[(_indx)] : 0)
93 #define GET_PSCALE(_indx) ((unsigned)(_indx) < ARRAY_SIZE (PSCALE) ? PSCALE[(_indx)] : 0)
95 static int flagmap[] = {0, 1, 2, 3, 0, 0, 0, 0,
96 16, 17, 0, 0, 0, 0, 0, 0 };
98 static int dsp3map[] = { 8, 9, 10, 3, 4, 5, 6, 7 };
101 *C a constant (immediate) c
103 *I Register indirect, no offset
104 *Is Register indirect, with offset
105 *D standard displacement: type (r,[r],dsp8,dsp16 code), register, BWL code
106 *P standard displacement: type (r,[r]), reg, assumes UByte
107 *Pm memex displacement: type (r,[r]), reg, memex code
108 *cc condition code. */
110 #define DC(c) OP (0, RX_Operand_Immediate, 0, c)
111 #define DR(r) OP (0, RX_Operand_Register, r, 0)
112 #define DI(r,a) OP (0, RX_Operand_Indirect, r, a)
113 #define DIs(r,a,s) OP (0, RX_Operand_Indirect, r, (a) * GET_SCALE (s))
114 #define DD(t,r,s) rx_disp (0, t, r, bwl[s], ld);
115 #define DF(r) OP (0, RX_Operand_Flag, flagmap[r], 0)
117 #define SC(i) OP (1, RX_Operand_Immediate, 0, i)
118 #define SR(r) OP (1, RX_Operand_Register, r, 0)
119 #define SRR(r) OP (1, RX_Operand_TwoReg, r, 0)
120 #define SI(r,a) OP (1, RX_Operand_Indirect, r, a)
121 #define SIs(r,a,s) OP (1, RX_Operand_Indirect, r, (a) * GET_SCALE (s))
122 #define SD(t,r,s) rx_disp (1, t, r, bwl[s], ld);
123 #define SP(t,r) rx_disp (1, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 1);
124 #define SPm(t,r,m) rx_disp (1, t, r, memex[m], ld); rx->op[1].size = memex[m];
125 #define Scc(cc) OP (1, RX_Operand_Condition, cc, 0)
127 #define S2C(i) OP (2, RX_Operand_Immediate, 0, i)
128 #define S2R(r) OP (2, RX_Operand_Register, r, 0)
129 #define S2I(r,a) OP (2, RX_Operand_Indirect, r, a)
130 #define S2Is(r,a,s) OP (2, RX_Operand_Indirect, r, (a) * GET_SCALE (s))
131 #define S2D(t,r,s) rx_disp (2, t, r, bwl[s], ld);
132 #define S2P(t,r) rx_disp (2, t, r, (t!=3) ? RX_UByte : RX_Long, ld); P(t, 2);
133 #define S2Pm(t,r,m) rx_disp (2, t, r, memex[m], ld); rx->op[2].size = memex[m];
134 #define S2cc(cc) OP (2, RX_Operand_Condition, cc, 0)
136 #define BWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = bwl[sz]
137 #define sBWL(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = sbwl[sz]
138 #define uBW(sz) rx->op[0].size = rx->op[1].size = rx->op[2].size = rx->size = ubw[sz]
139 #define P(t, n) rx->op[n].size = (t!=3) ? RX_UByte : RX_Long;
141 #define F(f) store_flags(rx, f)
143 #define AU ATTRIBUTE_UNUSED
144 #define GETBYTE() (ld->op [ld->rx->n_bytes++] = ld->getbyte (ld->ptr))
146 #define SYNTAX(x) rx->syntax = x
148 #define UNSUPPORTED() \
149 rx->syntax = "*unknown*"
151 #define IMM(sf) immediate (sf, 0, ld)
152 #define IMMex(sf) immediate (sf, 1, ld)
155 immediate (int sfield, int ex, LocalData * ld)
157 unsigned long i = 0, j;
161 #define B ((unsigned long) GETBYTE())
163 #if RX_OPCODE_BIG_ENDIAN
165 if (ex && (i & 0x80))
176 if (ex && (j & 0x80))
182 #if RX_OPCODE_BIG_ENDIAN
191 if (ex && (i & 0x800000))
195 #if RX_OPCODE_BIG_ENDIAN
202 if (ex && (i & 0x8000))
207 if (ex && (i & 0x80))
217 rx_disp (int n, int type, int reg, unsigned int size, LocalData * ld)
221 ld->rx->op[n].reg = reg;
225 ld->rx->op[n].type = RX_Operand_Register;
228 ld->rx->op[n].type = RX_Operand_Zero_Indirect;
229 ld->rx->op[n].addend = 0;
232 ld->rx->op[n].type = RX_Operand_Indirect;
234 ld->rx->op[n].addend = disp * GET_PSCALE (size);
237 ld->rx->op[n].type = RX_Operand_Indirect;
239 #if RX_OPCODE_BIG_ENDIAN
240 disp = disp * 256 + GETBYTE ();
242 disp = disp + GETBYTE () * 256;
244 ld->rx->op[n].addend = disp * GET_PSCALE (size);
257 #define F___ZC rx->flags_0 = rx->flags_s = xZ|xC;
258 #define F__SZ_ rx->flags_0 = rx->flags_s = xS|xZ;
259 #define F__SZC rx->flags_0 = rx->flags_s = xS|xZ|xC;
260 #define F_0SZC rx->flags_0 = xO|xS|xZ|xC; rx->flags_s = xS|xZ|xC;
261 #define F_O___ rx->flags_0 = rx->flags_s = xO;
262 #define F_OS__ rx->flags_0 = rx->flags_s = xO|xS;
263 #define F_OSZ_ rx->flags_0 = rx->flags_s = xO|xS|xZ;
264 #define F_OSZC rx->flags_0 = rx->flags_s = xO|xS|xZ|xC;
267 rx_decode_opcode (unsigned long pc AU,
268 RX_Opcode_Decoded * rx,
269 int (* getbyte)(void *),
272 LocalData lds, * ld = &lds;
273 unsigned char op[20] = {0};
276 lds.getbyte = getbyte;
280 memset (rx, 0, sizeof (*rx));
283 /** VARY sz 00 01 10 */
285 /*----------------------------------------------------------------------*/
288 /** 0111 0101 0100 rdst mov%s #%1, %0 */
289 ID(mov); DR(rdst); SC(IMM (1)); F_____;
291 /** 1111 10sd rdst im sz mov%s #%1, %0 */
292 ID(mov); DD(sd, rdst, sz);
293 if ((im == 1 && sz == 0)
294 || (im == 2 && sz == 1)
295 || (im == 0 && sz == 2))
307 /** 0110 0110 immm rdst mov%s #%1, %0 */
308 ID(mov); DR(rdst); SC(immm); F_____;
310 /** 0011 11sz d dst sppp mov%s #%1, %0 */
311 ID(mov); sBWL (sz); DIs(dst, d*16+sppp, sz); SC(IMM(1)); F_____;
313 /** 11sz sd ss rsrc rdst mov%s %1, %0 */
314 if (sd == 3 && ss == 3 && sz == 2 && rsrc == 0 && rdst == 0)
317 SYNTAX ("nop\t; mov.l\tr0, r0");
321 ID(mov); sBWL(sz); F_____;
322 if ((ss == 3) && (sd != 3))
324 SD(ss, rdst, sz); DD(sd, rsrc, sz);
328 SD(ss, rsrc, sz); DD(sd, rdst, sz);
332 /** 10sz 1dsp a src b dst mov%s %1, %0 */
333 ID(mov); sBWL(sz); DR(dst); SIs(src, dsp*4+a*2+b, sz); F_____;
335 /** 10sz 0dsp a dst b src mov%s %1, %0 */
336 ID(mov); sBWL(sz); DIs(dst, dsp*4+a*2+b, sz); SR(src); F_____;
338 /** 1111 1110 01sz isrc bsrc rdst mov%s [%1, %2], %0 */
339 ID(movbi); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____;
341 /** 1111 1110 00sz isrc bsrc rdst mov%s %0, [%1, %2] */
342 ID(movbir); sBWL(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____;
344 /** 1111 1110 11sz isrc bsrc rdst movu%s [%1, %2], %0 */
345 ID(movbi); uBW(sz); DR(rdst); SRR(isrc); S2R(bsrc); F_____;
347 /** 1111 1101 0010 0p sz rdst rsrc mov%s %1, %0 */
348 ID(mov); sBWL (sz); SR(rsrc); F_____;
349 OP(0, p ? RX_Operand_Predec : RX_Operand_Postinc, rdst, 0);
351 /** 1111 1101 0010 1p sz rsrc rdst mov%s %1, %0 */
352 ID(mov); sBWL (sz); DR(rdst); F_____;
353 OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0);
355 /** 1011 w dsp a src b dst movu%s %1, %0 */
356 ID(mov); uBW(w); DR(dst); SIs(src, dsp*4+a*2+b, w); F_____;
358 /** 0101 1 s ss rsrc rdst movu%s %1, %0 */
359 ID(mov); uBW(s); SD(ss, rsrc, s); DR(rdst); F_____;
361 /** 1111 1101 0011 1p sz rsrc rdst movu%s %1, %0 */
362 ID(mov); uBW (sz); DR(rdst); F_____;
363 OP(1, p ? RX_Operand_Predec : RX_Operand_Postinc, rsrc, 0);
365 /*----------------------------------------------------------------------*/
368 /** 0110 1111 dsta dstb popm %1-%2 */
369 ID(popm); SR(dsta); S2R(dstb); F_____;
371 /** 0110 1110 dsta dstb pushm %1-%2 */
372 ID(pushm); SR(dsta); S2R(dstb); F_____;
374 /** 0111 1110 1011 rdst pop %0 */
375 ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(rdst); F_____;
377 /** 0111 1110 10sz rsrc push%s %1 */
378 ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SR(rsrc); F_____;
380 /** 1111 01ss rsrc 10sz push%s %1 */
381 ID(mov); BWL(sz); OP(0, RX_Operand_Predec, 0, 0); SD(ss, rsrc, sz); F_____;
383 /*----------------------------------------------------------------------*/
386 /** 1111 1100 0100 00ss rsrc rdst xchg %1%S1, %0 */
387 ID(xchg); DR(rdst); SP(ss, rsrc);
389 /** 0000 0110 mx10 00ss 0001 0000 rsrc rdst xchg %1%S1, %0 */
390 ID(xchg); DR(rdst); SPm(ss, rsrc, mx);
392 /*----------------------------------------------------------------------*/
395 /** 1111 1101 0111 im00 1110rdst stz #%1, %0 */
396 ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_z);
398 /** 1111 1101 0111 im00 1111rdst stnz #%1, %0 */
399 ID(stcc); SC(IMMex(im)); DR(rdst); S2cc(RXC_nz);
401 /*----------------------------------------------------------------------*/
404 /** 0110 0111 rtsd #%1 */
405 ID(rtsd); SC(IMM(1) * 4);
407 /** 0011 1111 rega regb rtsd #%1, %2-%0 */
408 ID(rtsd); SC(IMM(1) * 4); S2R(rega); DR(regb);
410 /*----------------------------------------------------------------------*/
413 /** 0110 0100 immm rdst and #%1, %0 */
414 ID(and); SC(immm); DR(rdst); F__SZ_;
416 /** 0111 01im 0010 rdst and #%1, %0 */
417 ID(and); SC(IMMex(im)); DR(rdst); F__SZ_;
419 /** 0101 00ss rsrc rdst and %1%S1, %0 */
420 ID(and); SP(ss, rsrc); DR(rdst); F__SZ_;
422 /** 0000 0110 mx01 00ss rsrc rdst and %1%S1, %0 */
423 ID(and); SPm(ss, rsrc, mx); DR(rdst); F__SZ_;
425 /** 1111 1111 0100 rdst srca srcb and %2, %1, %0 */
426 ID(and); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
428 /*----------------------------------------------------------------------*/
431 /** 0110 0101 immm rdst or #%1, %0 */
432 ID(or); SC(immm); DR(rdst); F__SZ_;
434 /** 0111 01im 0011 rdst or #%1, %0 */
435 ID(or); SC(IMMex(im)); DR(rdst); F__SZ_;
437 /** 0101 01ss rsrc rdst or %1%S1, %0 */
438 ID(or); SP(ss, rsrc); DR(rdst); F__SZ_;
440 /** 0000 0110 mx01 01ss rsrc rdst or %1%S1, %0 */
441 ID(or); SPm(ss, rsrc, mx); DR(rdst); F__SZ_;
443 /** 1111 1111 0101 rdst srca srcb or %2, %1, %0 */
444 ID(or); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
446 /*----------------------------------------------------------------------*/
449 /** 1111 1101 0111 im00 1101rdst xor #%1, %0 */
450 ID(xor); SC(IMMex(im)); DR(rdst); F__SZ_;
452 /** 1111 1100 0011 01ss rsrc rdst xor %1%S1, %0 */
453 ID(xor); SP(ss, rsrc); DR(rdst); F__SZ_;
455 /** 0000 0110 mx10 00ss 0000 1101 rsrc rdst xor %1%S1, %0 */
456 ID(xor); SPm(ss, rsrc, mx); DR(rdst); F__SZ_;
458 /*----------------------------------------------------------------------*/
461 /** 0111 1110 0000 rdst not %0 */
462 ID(xor); DR(rdst); SR(rdst); S2C(~0); F__SZ_;
464 /** 1111 1100 0011 1011 rsrc rdst not %1, %0 */
465 ID(xor); DR(rdst); SR(rsrc); S2C(~0); F__SZ_;
467 /*----------------------------------------------------------------------*/
470 /** 1111 1101 0111 im00 1100rdst tst #%1, %2 */
471 ID(and); SC(IMMex(im)); S2R(rdst); F__SZ_;
473 /** 1111 1100 0011 00ss rsrc rdst tst %1%S1, %2 */
474 ID(and); SP(ss, rsrc); S2R(rdst); F__SZ_;
476 /** 0000 0110 mx10 00ss 0000 1100 rsrc rdst tst %1%S1, %2 */
477 ID(and); SPm(ss, rsrc, mx); S2R(rdst); F__SZ_;
479 /*----------------------------------------------------------------------*/
482 /** 0111 1110 0001 rdst neg %0 */
483 ID(sub); DR(rdst); SC(0); S2R(rdst); F_OSZC;
485 /** 1111 1100 0000 0111 rsrc rdst neg %2, %0 */
486 ID(sub); DR(rdst); SC(0); S2R(rsrc); F_OSZC;
488 /*----------------------------------------------------------------------*/
491 /** 1111 1101 0111 im00 0010rdst adc #%1, %0 */
492 ID(adc); SC(IMMex(im)); DR(rdst); F_OSZC;
494 /** 1111 1100 0000 1011 rsrc rdst adc %1, %0 */
495 ID(adc); SR(rsrc); DR(rdst); F_OSZC;
497 /** 0000 0110 1010 00ss 0000 0010 rsrc rdst adc %1%S1, %0 */
498 ID(adc); SPm(ss, rsrc, 2); DR(rdst); F_OSZC;
500 /*----------------------------------------------------------------------*/
503 /** 0110 0010 immm rdst add #%1, %0 */
504 ID(add); SC(immm); DR(rdst); F_OSZC;
506 /** 0100 10ss rsrc rdst add %1%S1, %0 */
507 ID(add); SP(ss, rsrc); DR(rdst); F_OSZC;
509 /** 0000 0110 mx00 10ss rsrc rdst add %1%S1, %0 */
510 ID(add); SPm(ss, rsrc, mx); DR(rdst); F_OSZC;
512 /** 0111 00im rsrc rdst add #%1, %2, %0 */
513 ID(add); SC(IMMex(im)); S2R(rsrc); DR(rdst); F_OSZC;
515 /** 1111 1111 0010 rdst srca srcb add %2, %1, %0 */
516 ID(add); DR(rdst); SR(srcb); S2R(srca); F_OSZC;
518 /*----------------------------------------------------------------------*/
521 /** 0110 0001 immm rdst cmp #%2, %1 */
522 ID(sub); S2C(immm); SR(rdst); F_OSZC;
524 /** 0111 01im 0000 rsrc cmp #%2, %1%S1 */
525 ID(sub); SR(rsrc); S2C(IMMex(im)); F_OSZC;
527 /** 0111 0101 0101 rsrc cmp #%2, %1 */
528 ID(sub); SR(rsrc); S2C(IMM(1)); F_OSZC;
530 /** 0100 01ss rsrc rdst cmp %2%S2, %1 */
531 ID(sub); S2P(ss, rsrc); SR(rdst); F_OSZC;
533 /** 0000 0110 mx00 01ss rsrc rdst cmp %2%S2, %1 */
534 ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); F_OSZC;
536 /*----------------------------------------------------------------------*/
539 /** 0110 0000 immm rdst sub #%2, %0 */
540 ID(sub); S2C(immm); SR(rdst); DR(rdst); F_OSZC;
542 /** 0100 00ss rsrc rdst sub %2%S2, %1 */
543 ID(sub); S2P(ss, rsrc); SR(rdst); DR(rdst); F_OSZC;
545 /** 0000 0110 mx00 00ss rsrc rdst sub %2%S2, %1 */
546 ID(sub); S2Pm(ss, rsrc, mx); SR(rdst); DR(rdst); F_OSZC;
548 /** 1111 1111 0000 rdst srca srcb sub %2, %1, %0 */
549 ID(sub); DR(rdst); SR(srcb); S2R(srca); F_OSZC;
551 /*----------------------------------------------------------------------*/
554 /** 1111 1100 0000 0011 rsrc rdst sbb %1, %0 */
555 ID(sbb); SR (rsrc); DR(rdst); F_OSZC;
557 /* FIXME: only supports .L */
558 /** 0000 0110 mx10 00sp 0000 0000 rsrc rdst sbb %1%S1, %0 */
559 ID(sbb); SPm(sp, rsrc, mx); DR(rdst); F_OSZC;
561 /*----------------------------------------------------------------------*/
564 /** 0111 1110 0010 rdst abs %0 */
565 ID(abs); DR(rdst); SR(rdst); F_OSZ_;
567 /** 1111 1100 0000 1111 rsrc rdst abs %1, %0 */
568 ID(abs); DR(rdst); SR(rsrc); F_OSZ_;
570 /*----------------------------------------------------------------------*/
573 /** 1111 1101 0111 im00 0100rdst max #%1, %0 */
574 int val = IMMex (im);
575 if (im == 0 && (unsigned) val == 0x80000000 && rdst == 0)
578 SYNTAX("nop\t; max\t#0x80000000, r0");
586 /** 1111 1100 0001 00ss rsrc rdst max %1%S1, %0 */
587 if (ss == 3 && rsrc == 0 && rdst == 0)
590 SYNTAX("nop\t; max\tr0, r0");
594 ID(max); SP(ss, rsrc); DR(rdst);
597 /** 0000 0110 mx10 00ss 0000 0100 rsrc rdst max %1%S1, %0 */
598 ID(max); SPm(ss, rsrc, mx); DR(rdst);
600 /*----------------------------------------------------------------------*/
603 /** 1111 1101 0111 im00 0101rdst min #%1, %0 */
604 ID(min); DR(rdst); SC(IMMex(im));
606 /** 1111 1100 0001 01ss rsrc rdst min %1%S1, %0 */
607 ID(min); SP(ss, rsrc); DR(rdst);
609 /** 0000 0110 mx10 00ss 0000 0101 rsrc rdst min %1%S1, %0 */
610 ID(min); SPm(ss, rsrc, mx); DR(rdst);
612 /*----------------------------------------------------------------------*/
615 /** 0110 0011 immm rdst mul #%1, %0 */
616 if (immm == 1 && rdst == 0)
619 SYNTAX ("nop\t; mul\t#1, r0");
625 DR(rdst); SC(immm); F_____;
627 /** 0111 01im 0001rdst mul #%1, %0 */
629 if (val == 1 && rdst == 0)
631 SYNTAX("nop\t; mul\t#1, r0");
634 case 2: ID(nop4); break;
635 case 3: ID(nop5); break;
636 case 0: ID(nop6); break;
639 SYNTAX("mul #%1, %0");
647 DR(rdst); SC(val); F_____;
649 /** 0100 11ss rsrc rdst mul %1%S1, %0 */
650 ID(mul); SP(ss, rsrc); DR(rdst); F_____;
652 /** 0000 0110 mx00 11ss rsrc rdst mul %1%S1, %0 */
653 ID(mul); SPm(ss, rsrc, mx); DR(rdst); F_____;
655 /** 1111 1111 0011 rdst srca srcb mul %2, %1, %0 */
656 ID(mul); DR(rdst); SR(srcb); S2R(srca); F_____;
658 /*----------------------------------------------------------------------*/
661 /** 1111 1101 0111 im00 0110rdst emul #%1, %0 */
662 ID(emul); DR(rdst); SC(IMMex(im));
664 /** 1111 1100 0001 10ss rsrc rdst emul %1%S1, %0 */
665 ID(emul); SP(ss, rsrc); DR(rdst);
667 /** 0000 0110 mx10 00ss 0000 0110 rsrc rdst emul %1%S1, %0 */
668 ID(emul); SPm(ss, rsrc, mx); DR(rdst);
670 /*----------------------------------------------------------------------*/
673 /** 1111 1101 0111 im00 0111rdst emulu #%1, %0 */
674 ID(emulu); DR(rdst); SC(IMMex(im));
676 /** 1111 1100 0001 11ss rsrc rdst emulu %1%S1, %0 */
677 ID(emulu); SP(ss, rsrc); DR(rdst);
679 /** 0000 0110 mx10 00ss 0000 0111 rsrc rdst emulu %1%S1, %0 */
680 ID(emulu); SPm(ss, rsrc, mx); DR(rdst);
682 /*----------------------------------------------------------------------*/
685 /** 1111 1101 0111 im00 1000rdst div #%1, %0 */
686 ID(div); DR(rdst); SC(IMMex(im)); F_O___;
688 /** 1111 1100 0010 00ss rsrc rdst div %1%S1, %0 */
689 ID(div); SP(ss, rsrc); DR(rdst); F_O___;
691 /** 0000 0110 mx10 00ss 0000 1000 rsrc rdst div %1%S1, %0 */
692 ID(div); SPm(ss, rsrc, mx); DR(rdst); F_O___;
694 /*----------------------------------------------------------------------*/
697 /** 1111 1101 0111 im00 1001rdst divu #%1, %0 */
698 ID(divu); DR(rdst); SC(IMMex(im)); F_O___;
700 /** 1111 1100 0010 01ss rsrc rdst divu %1%S1, %0 */
701 ID(divu); SP(ss, rsrc); DR(rdst); F_O___;
703 /** 0000 0110 mx10 00ss 0000 1001 rsrc rdst divu %1%S1, %0 */
704 ID(divu); SPm(ss, rsrc, mx); DR(rdst); F_O___;
706 /*----------------------------------------------------------------------*/
709 /** 0110 110i mmmm rdst shll #%2, %0 */
710 ID(shll); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_OSZC;
712 /** 1111 1101 0110 0010 rsrc rdst shll %2, %0 */
713 ID(shll); S2R(rsrc); SR(rdst); DR(rdst); F_OSZC;
715 /** 1111 1101 110immmm rsrc rdst shll #%2, %1, %0 */
716 ID(shll); S2C(immmm); SR(rsrc); DR(rdst); F_OSZC;
719 /** 0110 101i mmmm rdst shar #%2, %0 */
720 ID(shar); S2C(i*16+mmmm); SR(rdst); DR(rdst); F_0SZC;
722 /** 1111 1101 0110 0001 rsrc rdst shar %2, %0 */
723 ID(shar); S2R(rsrc); SR(rdst); DR(rdst); F_0SZC;
725 /** 1111 1101 101immmm rsrc rdst shar #%2, %1, %0 */
726 ID(shar); S2C(immmm); SR(rsrc); DR(rdst); F_0SZC;
729 /** 0110 100i mmmm rdst shlr #%2, %0 */
730 ID(shlr); S2C(i*16+mmmm); SR(rdst); DR(rdst); F__SZC;
732 /** 1111 1101 0110 0000 rsrc rdst shlr %2, %0 */
733 ID(shlr); S2R(rsrc); SR(rdst); DR(rdst); F__SZC;
735 /** 1111 1101 100immmm rsrc rdst shlr #%2, %1, %0 */
736 ID(shlr); S2C(immmm); SR(rsrc); DR(rdst); F__SZC;
738 /*----------------------------------------------------------------------*/
741 /** 0111 1110 0101 rdst rolc %0 */
742 ID(rolc); DR(rdst); F__SZC;
744 /** 0111 1110 0100 rdst rorc %0 */
745 ID(rorc); DR(rdst); F__SZC;
747 /** 1111 1101 0110 111i mmmm rdst rotl #%1, %0 */
748 ID(rotl); SC(i*16+mmmm); DR(rdst); F__SZC;
750 /** 1111 1101 0110 0110 rsrc rdst rotl %1, %0 */
751 ID(rotl); SR(rsrc); DR(rdst); F__SZC;
753 /** 1111 1101 0110 110i mmmm rdst rotr #%1, %0 */
754 ID(rotr); SC(i*16+mmmm); DR(rdst); F__SZC;
756 /** 1111 1101 0110 0100 rsrc rdst rotr %1, %0 */
757 ID(rotr); SR(rsrc); DR(rdst); F__SZC;
759 /** 1111 1101 0110 0101 rsrc rdst revw %1, %0 */
760 ID(revw); SR(rsrc); DR(rdst);
762 /** 1111 1101 0110 0111 rsrc rdst revl %1, %0 */
763 ID(revl); SR(rsrc); DR(rdst);
765 /*----------------------------------------------------------------------*/
768 /** 0001 n dsp b%1.s %a0 */
769 ID(branch); Scc(n); DC(pc + dsp3map[dsp]);
771 /** 0010 cond b%1.b %a0 */
772 ID(branch); Scc(cond); DC(pc + IMMex (1));
774 /** 0011 101c b%1.w %a0 */
775 ID(branch); Scc(c); DC(pc + IMMex (2));
778 /** 0000 1dsp bra.s %a0 */
779 ID(branch); DC(pc + dsp3map[dsp]);
781 /** 0010 1110 bra.b %a0 */
782 ID(branch); DC(pc + IMMex(1));
784 /** 0011 1000 bra.w %a0 */
785 ID(branch); DC(pc + IMMex(2));
787 /** 0000 0100 bra.a %a0 */
788 ID(branch); DC(pc + IMMex(3));
790 /** 0111 1111 0100 rsrc bra.l %0 */
791 ID(branchrel); DR(rsrc);
794 /** 0111 1111 0000 rsrc jmp %0 */
795 ID(branch); DR(rsrc);
797 /** 0111 1111 0001 rsrc jsr %0 */
800 /** 0011 1001 bsr.w %a0 */
801 ID(jsr); DC(pc + IMMex(2));
803 /** 0000 0101 bsr.a %a0 */
804 ID(jsr); DC(pc + IMMex(3));
806 /** 0111 1111 0101 rsrc bsr.l %0 */
807 ID(jsrrel); DR(rsrc);
812 /*----------------------------------------------------------------------*/
818 /*----------------------------------------------------------------------*/
819 /* STRING FUNCTIONS */
821 /** 0111 1111 1000 0011 scmpu */
824 /** 0111 1111 1000 0111 smovu */
827 /** 0111 1111 1000 1011 smovb */
830 /** 0111 1111 1000 00sz suntil%s */
831 ID(suntil); BWL(sz); F___ZC;
833 /** 0111 1111 1000 01sz swhile%s */
834 ID(swhile); BWL(sz); F___ZC;
836 /** 0111 1111 1000 1111 smovf */
839 /** 0111 1111 1000 10sz sstr%s */
842 /*----------------------------------------------------------------------*/
845 /** 0111 1111 1000 11sz rmpa%s */
846 ID(rmpa); BWL(sz); F_OS__;
848 /*----------------------------------------------------------------------*/
851 /** 1111 1101 0000 a000 srca srcb mulhi %1, %2, %0 */
852 ID(mulhi); DR(a+32); SR(srca); S2R(srcb); F_____;
854 /** 1111 1101 0000 a001 srca srcb mullo %1, %2, %0 */
855 ID(mullo); DR(a+32); SR(srca); S2R(srcb); F_____;
857 /** 1111 1101 0000 a100 srca srcb machi %1, %2, %0 */
858 ID(machi); DR(a+32); SR(srca); S2R(srcb); F_____;
860 /** 1111 1101 0000 a101 srca srcb maclo %1, %2, %0 */
861 ID(maclo); DR(a+32); SR(srca); S2R(srcb); F_____;
863 /** 1111 1101 0001 0111 a000 rsrc mvtachi %1, %0 */
864 ID(mvtachi); DR(a+32); SR(rsrc); F_____;
866 /** 1111 1101 0001 0111 a001 rsrc mvtaclo %1, %0 */
867 ID(mvtaclo); DR(a+32); SR(rsrc); F_____;
869 /** 1111 1101 0001 111i a m00 rdst mvfachi #%2, %1, %0 */
870 ID(mvfachi); S2C(((i^1)<<1)|m); SR(a+32); DR(rdst); F_____;
872 /** 1111 1101 0001 111i a m10 rdst mvfacmi #%2, %1, %0 */
873 ID(mvfacmi); S2C(((i^1)<<1)|m); SR(a+32); DR(rdst); F_____;
875 /** 1111 1101 0001 111i a m01 rdst mvfaclo #%2, %1, %0 */
876 ID(mvfaclo); S2C(((i^1)<<1)|m); SR(a+32); DR(rdst); F_____;
878 /** 1111 1101 0001 1000 a00i 0000 racw #%1, %0 */
879 ID(racw); SC(i+1); DR(a+32); F_____;
881 /*----------------------------------------------------------------------*/
884 /** 0111 1110 0011 rdst sat %0 */
887 /** 0111 1111 1001 0011 satr */
890 /*----------------------------------------------------------------------*/
893 /** 1111 1101 0111 0010 0010 rdst fadd #%1, %0 */
894 ID(fadd); DR(rdst); SC(IMM(0)); F__SZ_;
896 /** 1111 1100 1000 10sd rsrc rdst fadd %1%S1, %0 */
897 ID(fadd); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
899 /** 1111 1101 0111 0010 0001 rdst fcmp #%1, %0 */
900 ID(fcmp); DR(rdst); SC(IMM(0)); F_OSZ_;
902 /** 1111 1100 1000 01sd rsrc rdst fcmp %1%S1, %0 */
903 ID(fcmp); DR(rdst); SD(sd, rsrc, LSIZE); F_OSZ_;
905 /** 1111 1101 0111 0010 0000 rdst fsub #%1, %0 */
906 ID(fsub); DR(rdst); SC(IMM(0)); F__SZ_;
908 /** 1111 1100 1000 00sd rsrc rdst fsub %1%S1, %0 */
909 ID(fsub); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
911 /** 1111 1100 1001 01sd rsrc rdst ftoi %1%S1, %0 */
912 ID(ftoi); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
914 /** 1111 1101 0111 0010 0011 rdst fmul #%1, %0 */
915 ID(fmul); DR(rdst); SC(IMM(0)); F__SZ_;
917 /** 1111 1100 1000 11sd rsrc rdst fmul %1%S1, %0 */
918 ID(fmul); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
920 /** 1111 1101 0111 0010 0100 rdst fdiv #%1, %0 */
921 ID(fdiv); DR(rdst); SC(IMM(0)); F__SZ_;
923 /** 1111 1100 1001 00sd rsrc rdst fdiv %1%S1, %0 */
924 ID(fdiv); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
926 /** 1111 1100 1001 10sd rsrc rdst round %1%S1, %0 */
927 ID(round); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
929 /** 1111 1100 0100 01sd rsrc rdst itof %1%S1, %0 */
930 ID(itof); DR (rdst); SP(sd, rsrc); F__SZ_;
932 /** 0000 0110 mx10 00sd 0001 0001 rsrc rdst itof %1%S1, %0 */
933 ID(itof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_;
935 /*----------------------------------------------------------------------*/
938 /** 1111 00sd rdst 0bit bset #%1, %0%S0 */
939 ID(bset); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____;
941 /** 1111 1100 0110 00sd rdst rsrc bset %1, %0%S0 */
942 ID(bset); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____;
943 if (sd == 3) /* bset reg,reg */
946 /** 0111 100b ittt rdst bset #%1, %0 */
947 ID(bset); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____;
950 /** 1111 00sd rdst 1bit bclr #%1, %0%S0 */
951 ID(bclr); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE); F_____;
953 /** 1111 1100 0110 01sd rdst rsrc bclr %1, %0%S0 */
954 ID(bclr); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE); F_____;
955 if (sd == 3) /* bset reg,reg */
958 /** 0111 101b ittt rdst bclr #%1, %0 */
959 ID(bclr); BWL(LSIZE); SC(b*16+ittt); DR(rdst); F_____;
962 /** 1111 01sd rdst 0bit btst #%2, %1%S1 */
963 ID(btst); BWL(BSIZE); S2C(bit); SD(sd, rdst, BSIZE); F___ZC;
965 /** 1111 1100 0110 10sd rdst rsrc btst %2, %1%S1 */
966 ID(btst); BWL(BSIZE); S2R(rsrc); SD(sd, rdst, BSIZE); F___ZC;
967 if (sd == 3) /* bset reg,reg */
970 /** 0111 110b ittt rdst btst #%2, %1 */
971 ID(btst); BWL(LSIZE); S2C(b*16+ittt); SR(rdst); F___ZC;
974 /** 1111 1100 111bit sd rdst 1111 bnot #%1, %0%S0 */
975 ID(bnot); BWL(BSIZE); SC(bit); DD(sd, rdst, BSIZE);
977 /** 1111 1100 0110 11sd rdst rsrc bnot %1, %0%S0 */
978 ID(bnot); BWL(BSIZE); SR(rsrc); DD(sd, rdst, BSIZE);
979 if (sd == 3) /* bset reg,reg */
982 /** 1111 1101 111bittt 1111 rdst bnot #%1, %0 */
983 ID(bnot); BWL(LSIZE); SC(bittt); DR(rdst);
986 /** 1111 1100 111bit sd rdst cond bm%2 #%1, %0%S0 */
987 ID(bmcc); BWL(BSIZE); S2cc(cond); SC(bit); DD(sd, rdst, BSIZE);
989 /** 1111 1101 111 bittt cond rdst bm%2 #%1, %0%S0 */
990 ID(bmcc); BWL(LSIZE); S2cc(cond); SC(bittt); DR(rdst);
992 /*----------------------------------------------------------------------*/
993 /* CONTROL REGISTERS */
995 /** 0111 1111 1011 rdst clrpsw %0 */
996 ID(clrpsw); DF(rdst);
998 /** 0111 1111 1010 rdst setpsw %0 */
999 ID(setpsw); DF(rdst);
1001 /** 0111 0101 0111 0000 0000 immm mvtipl #%1 */
1002 ID(mvtipl); SC(immm);
1004 /** 0111 1110 111 crdst popc %0 */
1005 ID(mov); OP(1, RX_Operand_Postinc, 0, 0); DR(crdst + 16);
1007 /** 0111 1110 110 crsrc pushc %1 */
1008 ID(mov); OP(0, RX_Operand_Predec, 0, 0); SR(crsrc + 16);
1010 /** 1111 1101 0111 im11 000crdst mvtc #%1, %0 */
1011 ID(mov); SC(IMMex(im)); DR(crdst + 16);
1013 /** 1111 1101 0110 100c rsrc rdst mvtc %1, %0 */
1014 ID(mov); SR(rsrc); DR(c*16+rdst + 16);
1016 /** 1111 1101 0110 101s rsrc rdst mvfc %1, %0 */
1017 ID(mov); SR((s*16+rsrc) + 16); DR(rdst);
1019 /*----------------------------------------------------------------------*/
1022 /** 0111 1111 1001 0100 rtfi */
1025 /** 0111 1111 1001 0101 rte */
1028 /** 0000 0000 brk */
1031 /** 0000 0001 dbt */
1034 /** 0111 0101 0110 0000 int #%1 */
1035 ID(int); SC(IMM(1));
1037 /** 0111 1111 1001 0110 wait */
1040 /*----------------------------------------------------------------------*/
1043 /** 1111 1100 1101 sz sd rdst cond sc%1%s %0 */
1044 ID(sccnd); BWL(sz); DD (sd, rdst, sz); Scc(cond);
1046 /*----------------------------------------------------------------------*/
1049 /** 1111 1101 0010 0111 rdst rsrc movco %1, [%0] */
1050 ID(movco); SR(rsrc); DR(rdst); F_____;
1052 /** 1111 1101 0010 1111 rsrc rdst movli [%1], %0 */
1053 ID(movli); SR(rsrc); DR(rdst); F_____;
1055 /** 1111 1100 0100 1011 rsrc rdst stz %1, %0 */
1056 ID(stcc); SR(rsrc); DR(rdst); S2cc(RXC_z);
1058 /** 1111 1100 0100 1111 rsrc rdst stnz %1, %0 */
1059 ID(stcc); SR(rsrc); DR(rdst); S2cc(RXC_nz);
1061 /** 1111 1101 0000 a111 srca srcb emaca %1, %2, %0 */
1062 ID(emaca); DR(a+32); SR(srca); S2R(srcb); F_____;
1064 /** 1111 1101 0100 a111 srca srcb emsba %1, %2, %0 */
1065 ID(emsba); DR(a+32); SR(srca); S2R(srcb); F_____;
1067 /** 1111 1101 0000 a011 srca srcb emula %1, %2, %0 */
1068 ID(emula); DR(a+32); SR(srca); S2R(srcb); F_____;
1070 /** 1111 1101 0000 a110 srca srcb maclh %1, %2, %0 */
1071 ID(maclh); DR(a+32); SR(srca); S2R(srcb); F_____;
1073 /** 1111 1101 0100 a100 srca srcb msbhi %1, %2, %0 */
1074 ID(msbhi); DR(a+32); SR(srca); S2R(srcb); F_____;
1076 /** 1111 1101 0100 a110 srca srcb msblh %1, %2, %0 */
1077 ID(msblh); DR(a+32); SR(srca); S2R(srcb); F_____;
1079 /** 1111 1101 0100 a101 srca srcb msblo %1, %2, %0 */
1080 ID(msblo); DR(a+32); SR(srca); S2R(srcb); F_____;
1082 /** 1111 1101 0000 a010 srca srcb mullh %1, %2, %0 */
1083 ID(mullh); DR(a+32); SR(srca); S2R(srcb); F_____;
1085 /** 1111 1101 0001 111i a m11 rdst mvfacgu #%2, %1, %0 */
1086 ID(mvfacgu); S2C(((i^1)<<1)|m); SR(a+32); DR(rdst); F_____;
1088 /** 1111 1101 0001 0111 a011 rdst mvtacgu %0, %1 */
1089 ID(mvtacgu); DR(a+32); SR(rdst); F_____;
1091 /** 1111 1101 0001 1001 a00i 0000 racl #%1, %0 */
1092 ID(racl); SC(i+1); DR(a+32); F_____;
1094 /** 1111 1101 0001 1001 a10i 0000 rdacl #%1, %0 */
1095 ID(rdacl); SC(i+1); DR(a+32); F_____;
1097 /** 1111 1101 0001 1000 a10i 0000 rdacw #%1, %0 */
1098 ID(rdacw); SC(i+1); DR(a+32); F_____;
1100 /** 1111 1111 1010 rdst srca srcb fadd %2, %1, %0 */
1101 ID(fadd); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
1103 /** 1111 1111 1000 rdst srca srcb fsub %2, %1, %0 */
1104 ID(fsub); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
1106 /** 1111 1111 1011 rdst srca srcb fmul %2, %1, %0 */
1107 ID(fmul); DR(rdst); SR(srcb); S2R(srca); F__SZ_;
1109 /** 1111 1100 1010 00sd rsrc rdst fsqrt %1%S1, %0 */
1110 ID(fsqrt); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
1112 /** 1111 1100 1010 01sd rsrc rdst ftou %1%S1, %0 */
1113 ID(ftou); DR(rdst); SD(sd, rsrc, LSIZE); F__SZ_;
1115 /** 1111 1100 0101 01sd rsrc rdst utof %1%S1, %0 */
1116 ID(utof); DR (rdst); SP(sd, rsrc); F__SZ_;
1118 /** 0000 0110 mx10 00sd 0001 0101 rsrc rdst utof %1%S1, %0 */
1119 ID(utof); DR (rdst); SPm(sd, rsrc, mx); F__SZ_;