Commit | Line | Data |
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07c1b327 | 1 | /* bfin-parse.y ADI Blackfin parser |
8fc4ee9b | 2 | Copyright 2005, 2006, 2007, 2008 |
07c1b327 CM |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
07c1b327 CM |
10 | any later version. |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA | |
20 | 02110-1301, USA. */ | |
21 | %{ | |
22 | ||
ebd1c875 | 23 | #include "as.h" |
07c1b327 CM |
24 | #include <obstack.h> |
25 | ||
8fc4ee9b | 26 | #include "bfin-aux.h" /* Opcode generating auxiliaries. */ |
1ac4baed BS |
27 | #include "libbfd.h" |
28 | #include "elf/common.h" | |
29 | #include "elf/bfin.h" | |
30 | ||
07c1b327 CM |
31 | #define DSP32ALU(aopcde, HL, dst1, dst0, src0, src1, s, x, aop) \ |
32 | bfin_gen_dsp32alu (HL, aopcde, aop, s, x, dst0, dst1, src0, src1) | |
33 | ||
34 | #define DSP32MAC(op1, MM, mmod, w1, P, h01, h11, h00, h10, dst, op0, src0, src1, w0) \ | |
35 | bfin_gen_dsp32mac (op1, MM, mmod, w1, P, h01, h11, h00, h10, op0, \ | |
36 | dst, src0, src1, w0) | |
37 | ||
38 | #define DSP32MULT(op1, MM, mmod, w1, P, h01, h11, h00, h10, dst, op0, src0, src1, w0) \ | |
39 | bfin_gen_dsp32mult (op1, MM, mmod, w1, P, h01, h11, h00, h10, op0, \ | |
40 | dst, src0, src1, w0) | |
41 | ||
42 | #define DSP32SHIFT(sopcde, dst0, src0, src1, sop, hls) \ | |
43 | bfin_gen_dsp32shift (sopcde, dst0, src0, src1, sop, hls) | |
44 | ||
45 | #define DSP32SHIFTIMM(sopcde, dst0, immag, src1, sop, hls) \ | |
46 | bfin_gen_dsp32shiftimm (sopcde, dst0, immag, src1, sop, hls) | |
47 | ||
48 | #define LDIMMHALF_R(reg, h, s, z, hword) \ | |
49 | bfin_gen_ldimmhalf (reg, h, s, z, hword, 1) | |
50 | ||
51 | #define LDIMMHALF_R5(reg, h, s, z, hword) \ | |
52 | bfin_gen_ldimmhalf (reg, h, s, z, hword, 2) | |
53 | ||
54 | #define LDSTIDXI(ptr, reg, w, sz, z, offset) \ | |
55 | bfin_gen_ldstidxi (ptr, reg, w, sz, z, offset) | |
56 | ||
57 | #define LDST(ptr, reg, aop, sz, z, w) \ | |
58 | bfin_gen_ldst (ptr, reg, aop, sz, z, w) | |
59 | ||
60 | #define LDSTII(ptr, reg, offset, w, op) \ | |
61 | bfin_gen_ldstii (ptr, reg, offset, w, op) | |
62 | ||
63 | #define DSPLDST(i, m, reg, aop, w) \ | |
64 | bfin_gen_dspldst (i, reg, aop, w, m) | |
65 | ||
66 | #define LDSTPMOD(ptr, reg, idx, aop, w) \ | |
67 | bfin_gen_ldstpmod (ptr, reg, aop, w, idx) | |
68 | ||
69 | #define LDSTIIFP(offset, reg, w) \ | |
70 | bfin_gen_ldstiifp (reg, offset, w) | |
71 | ||
72 | #define LOGI2OP(dst, src, opc) \ | |
73 | bfin_gen_logi2op (opc, src, dst.regno & CODE_MASK) | |
74 | ||
75 | #define ALU2OP(dst, src, opc) \ | |
76 | bfin_gen_alu2op (dst, src, opc) | |
77 | ||
78 | #define BRCC(t, b, offset) \ | |
79 | bfin_gen_brcc (t, b, offset) | |
80 | ||
81 | #define UJUMP(offset) \ | |
82 | bfin_gen_ujump (offset) | |
83 | ||
84 | #define PROGCTRL(prgfunc, poprnd) \ | |
85 | bfin_gen_progctrl (prgfunc, poprnd) | |
86 | ||
87 | #define PUSHPOPMULTIPLE(dr, pr, d, p, w) \ | |
88 | bfin_gen_pushpopmultiple (dr, pr, d, p, w) | |
89 | ||
90 | #define PUSHPOPREG(reg, w) \ | |
91 | bfin_gen_pushpopreg (reg, w) | |
92 | ||
93 | #define CALLA(addr, s) \ | |
94 | bfin_gen_calla (addr, s) | |
95 | ||
96 | #define LINKAGE(r, framesize) \ | |
97 | bfin_gen_linkage (r, framesize) | |
98 | ||
99 | #define COMPI2OPD(dst, src, op) \ | |
100 | bfin_gen_compi2opd (dst, src, op) | |
101 | ||
102 | #define COMPI2OPP(dst, src, op) \ | |
103 | bfin_gen_compi2opp (dst, src, op) | |
104 | ||
105 | #define DAGMODIK(i, op) \ | |
106 | bfin_gen_dagmodik (i, op) | |
107 | ||
108 | #define DAGMODIM(i, m, op, br) \ | |
109 | bfin_gen_dagmodim (i, m, op, br) | |
110 | ||
111 | #define COMP3OP(dst, src0, src1, opc) \ | |
112 | bfin_gen_comp3op (src0, src1, dst, opc) | |
113 | ||
114 | #define PTR2OP(dst, src, opc) \ | |
115 | bfin_gen_ptr2op (dst, src, opc) | |
116 | ||
117 | #define CCFLAG(x, y, opc, i, g) \ | |
118 | bfin_gen_ccflag (x, y, opc, i, g) | |
119 | ||
120 | #define CCMV(src, dst, t) \ | |
121 | bfin_gen_ccmv (src, dst, t) | |
122 | ||
123 | #define CACTRL(reg, a, op) \ | |
124 | bfin_gen_cactrl (reg, a, op) | |
125 | ||
126 | #define LOOPSETUP(soffset, c, rop, eoffset, reg) \ | |
127 | bfin_gen_loopsetup (soffset, c, rop, eoffset, reg) | |
128 | ||
129 | #define HL2(r1, r0) (IS_H (r1) << 1 | IS_H (r0)) | |
130 | #define IS_RANGE(bits, expr, sign, mul) \ | |
131 | value_match(expr, bits, sign, mul, 1) | |
132 | #define IS_URANGE(bits, expr, sign, mul) \ | |
133 | value_match(expr, bits, sign, mul, 0) | |
134 | #define IS_CONST(expr) (expr->type == Expr_Node_Constant) | |
135 | #define IS_RELOC(expr) (expr->type != Expr_Node_Constant) | |
136 | #define IS_IMM(expr, bits) value_match (expr, bits, 0, 1, 1) | |
137 | #define IS_UIMM(expr, bits) value_match (expr, bits, 0, 1, 0) | |
138 | ||
139 | #define IS_PCREL4(expr) \ | |
140 | (value_match (expr, 4, 0, 2, 0)) | |
141 | ||
142 | #define IS_LPPCREL10(expr) \ | |
143 | (value_match (expr, 10, 0, 2, 0)) | |
144 | ||
145 | #define IS_PCREL10(expr) \ | |
146 | (value_match (expr, 10, 0, 2, 1)) | |
147 | ||
148 | #define IS_PCREL12(expr) \ | |
149 | (value_match (expr, 12, 0, 2, 1)) | |
150 | ||
151 | #define IS_PCREL24(expr) \ | |
152 | (value_match (expr, 24, 0, 2, 1)) | |
153 | ||
154 | ||
155 | static int value_match (Expr_Node *expr, int sz, int sign, int mul, int issigned); | |
156 | ||
157 | extern FILE *errorf; | |
158 | extern INSTR_T insn; | |
159 | ||
160 | static Expr_Node *binary (Expr_Op_Type, Expr_Node *, Expr_Node *); | |
161 | static Expr_Node *unary (Expr_Op_Type, Expr_Node *); | |
162 | ||
163 | static void notethat (char *format, ...); | |
164 | ||
165 | char *current_inputline; | |
166 | extern char *yytext; | |
167 | int yyerror (char *msg); | |
168 | ||
169 | void error (char *format, ...) | |
170 | { | |
171 | va_list ap; | |
172 | char buffer[2000]; | |
173 | ||
174 | va_start (ap, format); | |
175 | vsprintf (buffer, format, ap); | |
176 | va_end (ap); | |
177 | ||
178 | as_bad (buffer); | |
179 | } | |
180 | ||
181 | int | |
182 | yyerror (char *msg) | |
183 | { | |
184 | if (msg[0] == '\0') | |
185 | error ("%s", msg); | |
186 | ||
187 | else if (yytext[0] != ';') | |
188 | error ("%s. Input text was %s.", msg, yytext); | |
189 | else | |
190 | error ("%s.", msg); | |
191 | ||
192 | return -1; | |
193 | } | |
194 | ||
195 | static int | |
196 | in_range_p (Expr_Node *expr, int from, int to, unsigned int mask) | |
197 | { | |
198 | int val = EXPR_VALUE (expr); | |
199 | if (expr->type != Expr_Node_Constant) | |
200 | return 0; | |
201 | if (val < from || val > to) | |
202 | return 0; | |
203 | return (val & mask) == 0; | |
204 | } | |
205 | ||
206 | extern int yylex (void); | |
207 | ||
208 | #define imm3(x) EXPR_VALUE (x) | |
209 | #define imm4(x) EXPR_VALUE (x) | |
210 | #define uimm4(x) EXPR_VALUE (x) | |
211 | #define imm5(x) EXPR_VALUE (x) | |
212 | #define uimm5(x) EXPR_VALUE (x) | |
213 | #define imm6(x) EXPR_VALUE (x) | |
214 | #define imm7(x) EXPR_VALUE (x) | |
215 | #define imm16(x) EXPR_VALUE (x) | |
216 | #define uimm16s4(x) ((EXPR_VALUE (x)) >> 2) | |
217 | #define uimm16(x) EXPR_VALUE (x) | |
218 | ||
219 | /* Return true if a value is inside a range. */ | |
220 | #define IN_RANGE(x, low, high) \ | |
221 | (((EXPR_VALUE(x)) >= (low)) && (EXPR_VALUE(x)) <= ((high))) | |
222 | ||
223 | /* Auxiliary functions. */ | |
224 | ||
225 | static void | |
226 | neg_value (Expr_Node *expr) | |
227 | { | |
228 | expr->value.i_value = -expr->value.i_value; | |
229 | } | |
230 | ||
231 | static int | |
232 | valid_dreg_pair (Register *reg1, Expr_Node *reg2) | |
233 | { | |
234 | if (!IS_DREG (*reg1)) | |
235 | { | |
236 | yyerror ("Dregs expected"); | |
237 | return 0; | |
238 | } | |
239 | ||
240 | if (reg1->regno != 1 && reg1->regno != 3) | |
241 | { | |
242 | yyerror ("Bad register pair"); | |
243 | return 0; | |
244 | } | |
245 | ||
246 | if (imm7 (reg2) != reg1->regno - 1) | |
247 | { | |
248 | yyerror ("Bad register pair"); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | reg1->regno--; | |
253 | return 1; | |
254 | } | |
255 | ||
256 | static int | |
257 | check_multiply_halfregs (Macfunc *aa, Macfunc *ab) | |
258 | { | |
259 | if ((!REG_EQUAL (aa->s0, ab->s0) && !REG_EQUAL (aa->s0, ab->s1)) | |
260 | || (!REG_EQUAL (aa->s1, ab->s1) && !REG_EQUAL (aa->s1, ab->s0))) | |
261 | return yyerror ("Source multiplication register mismatch"); | |
262 | ||
263 | return 0; | |
264 | } | |
265 | ||
266 | ||
c1db045b BS |
267 | /* Check mac option. */ |
268 | ||
269 | static int | |
270 | check_macfunc_option (Macfunc *a, Opt_mode *opt) | |
271 | { | |
272 | /* Default option is always valid. */ | |
273 | if (opt->mod == 0) | |
274 | return 0; | |
275 | ||
6429b084 JZ |
276 | if ((a->w == 1 && a->P == 1 |
277 | && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_IU | |
278 | && opt->mod != M_S2RND && opt->mod != M_ISS2) | |
c1db045b BS |
279 | || (a->w == 1 && a->P == 0 |
280 | && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_IU | |
281 | && opt->mod != M_T && opt->mod != M_TFU && opt->mod != M_S2RND | |
6429b084 JZ |
282 | && opt->mod != M_ISS2 && opt->mod != M_IH) |
283 | || (a->w == 0 && a->P == 0 | |
284 | && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_W32)) | |
c1db045b BS |
285 | return -1; |
286 | ||
287 | return 0; | |
288 | } | |
289 | ||
07c1b327 CM |
290 | /* Check (vector) mac funcs and ops. */ |
291 | ||
292 | static int | |
293 | check_macfuncs (Macfunc *aa, Opt_mode *opa, | |
294 | Macfunc *ab, Opt_mode *opb) | |
295 | { | |
296 | /* Variables for swapping. */ | |
297 | Macfunc mtmp; | |
298 | Opt_mode otmp; | |
299 | ||
c1db045b BS |
300 | /* The option mode should be put at the end of the second instruction |
301 | of the vector except M, which should follow MAC1 instruction. */ | |
302 | if (opa->mod != 0) | |
303 | return yyerror ("Bad opt mode"); | |
304 | ||
07c1b327 CM |
305 | /* If a0macfunc comes before a1macfunc, swap them. */ |
306 | ||
307 | if (aa->n == 0) | |
308 | { | |
309 | /* (M) is not allowed here. */ | |
310 | if (opa->MM != 0) | |
311 | return yyerror ("(M) not allowed with A0MAC"); | |
312 | if (ab->n != 1) | |
313 | return yyerror ("Vector AxMACs can't be same"); | |
314 | ||
315 | mtmp = *aa; *aa = *ab; *ab = mtmp; | |
316 | otmp = *opa; *opa = *opb; *opb = otmp; | |
317 | } | |
318 | else | |
319 | { | |
320 | if (opb->MM != 0) | |
321 | return yyerror ("(M) not allowed with A0MAC"); | |
07c1b327 CM |
322 | if (ab->n != 0) |
323 | return yyerror ("Vector AxMACs can't be same"); | |
324 | } | |
325 | ||
f8fdc850 | 326 | /* If both ops are one of 0, 1, or 2, we have multiply_halfregs in both |
07c1b327 | 327 | assignment_or_macfuncs. */ |
c1db045b BS |
328 | if ((aa->op == 0 || aa->op == 1 || aa->op == 2) |
329 | && (ab->op == 0 || ab->op == 1 || ab->op == 2)) | |
07c1b327 CM |
330 | { |
331 | if (check_multiply_halfregs (aa, ab) < 0) | |
332 | return -1; | |
333 | } | |
334 | else | |
335 | { | |
336 | /* Only one of the assign_macfuncs has a half reg multiply | |
337 | Evil trick: Just 'OR' their source register codes: | |
338 | We can do that, because we know they were initialized to 0 | |
339 | in the rules that don't use multiply_halfregs. */ | |
340 | aa->s0.regno |= (ab->s0.regno & CODE_MASK); | |
341 | aa->s1.regno |= (ab->s1.regno & CODE_MASK); | |
342 | } | |
343 | ||
344 | if (aa->w == ab->w && aa->P != ab->P) | |
345 | { | |
346 | return yyerror ("macfuncs must differ"); | |
347 | if (aa->w && (aa->dst.regno - ab->dst.regno != 1)) | |
348 | return yyerror ("Destination Dregs must differ by one"); | |
349 | } | |
07c1b327 | 350 | |
c1db045b BS |
351 | /* Make sure mod flags get ORed, too. */ |
352 | opb->mod |= opa->mod; | |
353 | ||
354 | /* Check option. */ | |
355 | if (check_macfunc_option (aa, opb) < 0 | |
356 | && check_macfunc_option (ab, opb) < 0) | |
357 | return yyerror ("bad option"); | |
358 | ||
07c1b327 CM |
359 | /* Make sure first macfunc has got both P flags ORed. */ |
360 | aa->P |= ab->P; | |
361 | ||
07c1b327 CM |
362 | return 0; |
363 | } | |
364 | ||
365 | ||
366 | static int | |
367 | is_group1 (INSTR_T x) | |
368 | { | |
369 | /* Group1 is dpsLDST, LDSTpmod, LDST, LDSTiiFP, LDSTii. */ | |
370 | if ((x->value & 0xc000) == 0x8000 || (x->value == 0x0000)) | |
371 | return 1; | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
376 | static int | |
377 | is_group2 (INSTR_T x) | |
378 | { | |
379 | if ((((x->value & 0xfc00) == 0x9c00) /* dspLDST. */ | |
380 | && !((x->value & 0xfde0) == 0x9c60) /* dagMODim. */ | |
381 | && !((x->value & 0xfde0) == 0x9ce0) /* dagMODim with bit rev. */ | |
382 | && !((x->value & 0xfde0) == 0x9d60)) /* pick dagMODik. */ | |
383 | || (x->value == 0x0000)) | |
384 | return 1; | |
385 | return 0; | |
386 | } | |
387 | ||
388 | %} | |
389 | ||
390 | %union { | |
391 | INSTR_T instr; | |
392 | Expr_Node *expr; | |
393 | SYMBOL_T symbol; | |
394 | long value; | |
395 | Register reg; | |
396 | Macfunc macfunc; | |
397 | struct { int r0; int s0; int x0; int aop; } modcodes; | |
398 | struct { int r0; } r0; | |
399 | Opt_mode mod; | |
400 | } | |
401 | ||
402 | ||
403 | /* Tokens. */ | |
404 | ||
405 | /* Vector Specific. */ | |
406 | %token BYTEOP16P BYTEOP16M | |
407 | %token BYTEOP1P BYTEOP2P BYTEOP2M BYTEOP3P | |
408 | %token BYTEUNPACK BYTEPACK | |
409 | %token PACK | |
410 | %token SAA | |
411 | %token ALIGN8 ALIGN16 ALIGN24 | |
412 | %token VIT_MAX | |
413 | %token EXTRACT DEPOSIT EXPADJ SEARCH | |
414 | %token ONES SIGN SIGNBITS | |
415 | ||
416 | /* Stack. */ | |
417 | %token LINK UNLINK | |
418 | ||
419 | /* Registers. */ | |
420 | %token REG | |
421 | %token PC | |
422 | %token CCREG BYTE_DREG | |
423 | %token REG_A_DOUBLE_ZERO REG_A_DOUBLE_ONE | |
424 | %token A_ZERO_DOT_L A_ZERO_DOT_H A_ONE_DOT_L A_ONE_DOT_H | |
425 | %token HALF_REG | |
426 | ||
427 | /* Progctrl. */ | |
428 | %token NOP | |
429 | %token RTI RTS RTX RTN RTE | |
430 | %token HLT IDLE | |
431 | %token STI CLI | |
432 | %token CSYNC SSYNC | |
433 | %token EMUEXCPT | |
434 | %token RAISE EXCPT | |
435 | %token LSETUP | |
436 | %token LOOP | |
437 | %token LOOP_BEGIN | |
438 | %token LOOP_END | |
439 | %token DISALGNEXCPT | |
440 | %token JUMP JUMP_DOT_S JUMP_DOT_L | |
441 | %token CALL | |
442 | ||
443 | /* Emulator only. */ | |
444 | %token ABORT | |
445 | ||
446 | /* Operators. */ | |
447 | %token NOT TILDA BANG | |
448 | %token AMPERSAND BAR | |
449 | %token PERCENT | |
450 | %token CARET | |
451 | %token BXOR | |
452 | ||
453 | %token MINUS PLUS STAR SLASH | |
454 | %token NEG | |
455 | %token MIN MAX ABS | |
456 | %token DOUBLE_BAR | |
457 | %token _PLUS_BAR_PLUS _PLUS_BAR_MINUS _MINUS_BAR_PLUS _MINUS_BAR_MINUS | |
458 | %token _MINUS_MINUS _PLUS_PLUS | |
459 | ||
460 | /* Shift/rotate ops. */ | |
461 | %token SHIFT LSHIFT ASHIFT BXORSHIFT | |
462 | %token _GREATER_GREATER_GREATER_THAN_ASSIGN | |
463 | %token ROT | |
464 | %token LESS_LESS GREATER_GREATER | |
465 | %token _GREATER_GREATER_GREATER | |
466 | %token _LESS_LESS_ASSIGN _GREATER_GREATER_ASSIGN | |
467 | %token DIVS DIVQ | |
468 | ||
469 | /* In place operators. */ | |
470 | %token ASSIGN _STAR_ASSIGN | |
471 | %token _BAR_ASSIGN _CARET_ASSIGN _AMPERSAND_ASSIGN | |
472 | %token _MINUS_ASSIGN _PLUS_ASSIGN | |
473 | ||
474 | /* Assignments, comparisons. */ | |
475 | %token _ASSIGN_BANG _LESS_THAN_ASSIGN _ASSIGN_ASSIGN | |
476 | %token GE LT LE GT | |
477 | %token LESS_THAN | |
478 | ||
479 | /* Cache. */ | |
480 | %token FLUSHINV FLUSH | |
481 | %token IFLUSH PREFETCH | |
482 | ||
483 | /* Misc. */ | |
484 | %token PRNT | |
485 | %token OUTC | |
486 | %token WHATREG | |
487 | %token TESTSET | |
488 | ||
489 | /* Modifiers. */ | |
490 | %token ASL ASR | |
491 | %token B W | |
492 | %token NS S CO SCO | |
493 | %token TH TL | |
494 | %token BP | |
495 | %token BREV | |
496 | %token X Z | |
497 | %token M MMOD | |
498 | %token R RND RNDL RNDH RND12 RND20 | |
499 | %token V | |
500 | %token LO HI | |
501 | ||
502 | /* Bit ops. */ | |
503 | %token BITTGL BITCLR BITSET BITTST BITMUX | |
504 | ||
505 | /* Debug. */ | |
506 | %token DBGAL DBGAH DBGHALT DBG DBGA DBGCMPLX | |
507 | ||
508 | /* Semantic auxiliaries. */ | |
509 | ||
510 | %token IF COMMA BY | |
511 | %token COLON SEMICOLON | |
512 | %token RPAREN LPAREN LBRACK RBRACK | |
513 | %token STATUS_REG | |
514 | %token MNOP | |
515 | %token SYMBOL NUMBER | |
1ac4baed BS |
516 | %token GOT GOT17M4 FUNCDESC_GOT17M4 |
517 | %token AT PLTPC | |
07c1b327 CM |
518 | |
519 | /* Types. */ | |
520 | %type <instr> asm | |
521 | %type <value> MMOD | |
522 | %type <mod> opt_mode | |
523 | ||
524 | %type <value> NUMBER | |
525 | %type <r0> aligndir | |
526 | %type <modcodes> byteop_mod | |
527 | %type <reg> a_assign | |
528 | %type <reg> a_plusassign | |
529 | %type <reg> a_minusassign | |
530 | %type <macfunc> multiply_halfregs | |
531 | %type <macfunc> assign_macfunc | |
532 | %type <macfunc> a_macfunc | |
533 | %type <expr> expr_1 | |
534 | %type <instr> asm_1 | |
535 | %type <r0> vmod | |
536 | %type <modcodes> vsmod | |
537 | %type <modcodes> ccstat | |
538 | %type <r0> cc_op | |
539 | %type <reg> CCREG | |
540 | %type <reg> reg_with_postinc | |
541 | %type <reg> reg_with_predec | |
542 | ||
543 | %type <r0> searchmod | |
544 | %type <expr> symbol | |
545 | %type <symbol> SYMBOL | |
546 | %type <expr> eterm | |
547 | %type <reg> REG | |
548 | %type <reg> BYTE_DREG | |
549 | %type <reg> REG_A_DOUBLE_ZERO | |
550 | %type <reg> REG_A_DOUBLE_ONE | |
551 | %type <reg> REG_A | |
552 | %type <reg> STATUS_REG | |
553 | %type <expr> expr | |
554 | %type <r0> xpmod | |
555 | %type <r0> xpmod1 | |
556 | %type <modcodes> smod | |
557 | %type <modcodes> b3_op | |
558 | %type <modcodes> rnd_op | |
559 | %type <modcodes> post_op | |
560 | %type <reg> HALF_REG | |
561 | %type <r0> iu_or_nothing | |
562 | %type <r0> plus_minus | |
563 | %type <r0> asr_asl | |
564 | %type <r0> asr_asl_0 | |
565 | %type <modcodes> sco | |
566 | %type <modcodes> amod0 | |
567 | %type <modcodes> amod1 | |
568 | %type <modcodes> amod2 | |
569 | %type <r0> op_bar_op | |
570 | %type <r0> w32_or_nothing | |
571 | %type <r0> c_align | |
572 | %type <r0> min_max | |
573 | %type <expr> got | |
574 | %type <expr> got_or_expr | |
575 | %type <expr> pltpc | |
1ac4baed | 576 | %type <value> any_gotrel GOT GOT17M4 FUNCDESC_GOT17M4 |
07c1b327 CM |
577 | |
578 | /* Precedence rules. */ | |
579 | %left BAR | |
580 | %left CARET | |
581 | %left AMPERSAND | |
582 | %left LESS_LESS GREATER_GREATER | |
583 | %left PLUS MINUS | |
584 | %left STAR SLASH PERCENT | |
585 | ||
586 | %right ASSIGN | |
587 | ||
588 | %right TILDA BANG | |
589 | %start statement | |
590 | %% | |
591 | statement: | |
592 | | asm | |
593 | { | |
594 | insn = $1; | |
595 | if (insn == (INSTR_T) 0) | |
596 | return NO_INSN_GENERATED; | |
597 | else if (insn == (INSTR_T) - 1) | |
598 | return SEMANTIC_ERROR; | |
599 | else | |
600 | return INSN_GENERATED; | |
601 | } | |
602 | ; | |
603 | ||
604 | asm: asm_1 SEMICOLON | |
605 | /* Parallel instructions. */ | |
606 | | asm_1 DOUBLE_BAR asm_1 DOUBLE_BAR asm_1 SEMICOLON | |
607 | { | |
608 | if (($1->value & 0xf800) == 0xc000) | |
609 | { | |
610 | if (is_group1 ($3) && is_group2 ($5)) | |
611 | $$ = bfin_gen_multi_instr ($1, $3, $5); | |
612 | else if (is_group2 ($3) && is_group1 ($5)) | |
613 | $$ = bfin_gen_multi_instr ($1, $5, $3); | |
614 | else | |
615 | return yyerror ("Wrong 16 bit instructions groups, slot 2 and slot 3 must be 16-bit instrution group"); | |
616 | } | |
617 | else if (($3->value & 0xf800) == 0xc000) | |
618 | { | |
619 | if (is_group1 ($1) && is_group2 ($5)) | |
620 | $$ = bfin_gen_multi_instr ($3, $1, $5); | |
621 | else if (is_group2 ($1) && is_group1 ($5)) | |
622 | $$ = bfin_gen_multi_instr ($3, $5, $1); | |
623 | else | |
624 | return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 3 must be 16-bit instrution group"); | |
625 | } | |
626 | else if (($5->value & 0xf800) == 0xc000) | |
627 | { | |
628 | if (is_group1 ($1) && is_group2 ($3)) | |
629 | $$ = bfin_gen_multi_instr ($5, $1, $3); | |
630 | else if (is_group2 ($1) && is_group1 ($3)) | |
631 | $$ = bfin_gen_multi_instr ($5, $3, $1); | |
632 | else | |
633 | return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be 16-bit instrution group"); | |
634 | } | |
635 | else | |
636 | error ("\nIllegal Multi Issue Construct, at least any one of the slot must be DSP32 instruction group\n"); | |
637 | } | |
638 | ||
639 | | asm_1 DOUBLE_BAR asm_1 SEMICOLON | |
640 | { | |
641 | if (($1->value & 0xf800) == 0xc000) | |
642 | { | |
643 | if (is_group1 ($3)) | |
644 | $$ = bfin_gen_multi_instr ($1, $3, 0); | |
645 | else if (is_group2 ($3)) | |
646 | $$ = bfin_gen_multi_instr ($1, 0, $3); | |
647 | else | |
648 | return yyerror ("Wrong 16 bit instructions groups, slot 2 must be the 16-bit instruction group"); | |
649 | } | |
650 | else if (($3->value & 0xf800) == 0xc000) | |
651 | { | |
652 | if (is_group1 ($1)) | |
653 | $$ = bfin_gen_multi_instr ($3, $1, 0); | |
654 | else if (is_group2 ($1)) | |
655 | $$ = bfin_gen_multi_instr ($3, 0, $1); | |
656 | else | |
657 | return yyerror ("Wrong 16 bit instructions groups, slot 1 must be the 16-bit instruction group"); | |
658 | } | |
659 | else if (is_group1 ($1) && is_group2 ($3)) | |
660 | $$ = bfin_gen_multi_instr (0, $1, $3); | |
661 | else if (is_group2 ($1) && is_group1 ($3)) | |
662 | $$ = bfin_gen_multi_instr (0, $3, $1); | |
663 | else | |
664 | return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be the 16-bit instruction group"); | |
665 | } | |
666 | | error | |
667 | { | |
668 | $$ = 0; | |
669 | yyerror (""); | |
670 | yyerrok; | |
671 | } | |
672 | ; | |
673 | ||
674 | /* DSPMAC. */ | |
675 | ||
676 | asm_1: | |
677 | MNOP | |
678 | { | |
679 | $$ = DSP32MAC (3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0); | |
680 | } | |
681 | | assign_macfunc opt_mode | |
682 | { | |
683 | int op0, op1; | |
684 | int w0 = 0, w1 = 0; | |
685 | int h00, h10, h01, h11; | |
686 | ||
c1db045b BS |
687 | if (check_macfunc_option (&$1, &$2) < 0) |
688 | return yyerror ("bad option"); | |
689 | ||
07c1b327 CM |
690 | if ($1.n == 0) |
691 | { | |
692 | if ($2.MM) | |
693 | return yyerror ("(m) not allowed with a0 unit"); | |
694 | op1 = 3; | |
695 | op0 = $1.op; | |
696 | w1 = 0; | |
697 | w0 = $1.w; | |
698 | h00 = IS_H ($1.s0); | |
699 | h10 = IS_H ($1.s1); | |
700 | h01 = h11 = 0; | |
701 | } | |
702 | else | |
703 | { | |
704 | op1 = $1.op; | |
705 | op0 = 3; | |
706 | w1 = $1.w; | |
707 | w0 = 0; | |
708 | h00 = h10 = 0; | |
709 | h01 = IS_H ($1.s0); | |
710 | h11 = IS_H ($1.s1); | |
711 | } | |
712 | $$ = DSP32MAC (op1, $2.MM, $2.mod, w1, $1.P, h01, h11, h00, h10, | |
713 | &$1.dst, op0, &$1.s0, &$1.s1, w0); | |
714 | } | |
715 | ||
716 | ||
717 | /* VECTOR MACs. */ | |
718 | ||
719 | | assign_macfunc opt_mode COMMA assign_macfunc opt_mode | |
720 | { | |
721 | Register *dst; | |
722 | ||
723 | if (check_macfuncs (&$1, &$2, &$4, &$5) < 0) | |
724 | return -1; | |
725 | notethat ("assign_macfunc (.), assign_macfunc (.)\n"); | |
726 | ||
727 | if ($1.w) | |
728 | dst = &$1.dst; | |
729 | else | |
730 | dst = &$4.dst; | |
731 | ||
732 | $$ = DSP32MAC ($1.op, $2.MM, $5.mod, $1.w, $1.P, | |
733 | IS_H ($1.s0), IS_H ($1.s1), IS_H ($4.s0), IS_H ($4.s1), | |
734 | dst, $4.op, &$1.s0, &$1.s1, $4.w); | |
735 | } | |
736 | ||
737 | /* DSPALU. */ | |
738 | ||
739 | | DISALGNEXCPT | |
740 | { | |
741 | notethat ("dsp32alu: DISALGNEXCPT\n"); | |
742 | $$ = DSP32ALU (18, 0, 0, 0, 0, 0, 0, 0, 3); | |
743 | } | |
744 | | REG ASSIGN LPAREN a_plusassign REG_A RPAREN | |
745 | { | |
746 | if (IS_DREG ($1) && !IS_A1 ($4) && IS_A1 ($5)) | |
747 | { | |
748 | notethat ("dsp32alu: dregs = ( A0 += A1 )\n"); | |
749 | $$ = DSP32ALU (11, 0, 0, &$1, 0, 0, 0, 0, 0); | |
750 | } | |
751 | else | |
752 | return yyerror ("Register mismatch"); | |
753 | } | |
754 | | HALF_REG ASSIGN LPAREN a_plusassign REG_A RPAREN | |
755 | { | |
756 | if (!IS_A1 ($4) && IS_A1 ($5)) | |
757 | { | |
758 | notethat ("dsp32alu: dregs_half = ( A0 += A1 )\n"); | |
759 | $$ = DSP32ALU (11, IS_H ($1), 0, &$1, 0, 0, 0, 0, 1); | |
760 | } | |
761 | else | |
762 | return yyerror ("Register mismatch"); | |
763 | } | |
764 | | A_ZERO_DOT_H ASSIGN HALF_REG | |
765 | { | |
766 | notethat ("dsp32alu: A_ZERO_DOT_H = dregs_hi\n"); | |
767 | $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0); | |
768 | } | |
769 | | A_ONE_DOT_H ASSIGN HALF_REG | |
770 | { | |
771 | notethat ("dsp32alu: A_ZERO_DOT_H = dregs_hi\n"); | |
772 | $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2); | |
773 | } | |
774 | | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16P LPAREN REG | |
775 | COLON expr COMMA REG COLON expr RPAREN aligndir | |
776 | { | |
777 | if (!IS_DREG ($2) || !IS_DREG ($4)) | |
778 | return yyerror ("Dregs expected"); | |
779 | else if (!valid_dreg_pair (&$9, $11)) | |
780 | return yyerror ("Bad dreg pair"); | |
781 | else if (!valid_dreg_pair (&$13, $15)) | |
782 | return yyerror ("Bad dreg pair"); | |
783 | else | |
784 | { | |
785 | notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16P (dregs_pair , dregs_pair ) (half)\n"); | |
786 | $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 0); | |
787 | } | |
788 | } | |
789 | ||
790 | | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16M LPAREN REG COLON expr COMMA | |
791 | REG COLON expr RPAREN aligndir | |
792 | { | |
793 | if (!IS_DREG ($2) || !IS_DREG($4)) | |
794 | return yyerror ("Dregs expected"); | |
795 | else if (!valid_dreg_pair (&$9, $11)) | |
796 | return yyerror ("Bad dreg pair"); | |
797 | else if (!valid_dreg_pair (&$13, $15)) | |
798 | return yyerror ("Bad dreg pair"); | |
799 | else | |
800 | { | |
801 | notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16M (dregs_pair , dregs_pair ) (aligndir)\n"); | |
802 | $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 1); | |
803 | } | |
804 | } | |
805 | ||
806 | | LPAREN REG COMMA REG RPAREN ASSIGN BYTEUNPACK REG COLON expr aligndir | |
807 | { | |
808 | if (!IS_DREG ($2) || !IS_DREG ($4)) | |
809 | return yyerror ("Dregs expected"); | |
810 | else if (!valid_dreg_pair (&$8, $10)) | |
811 | return yyerror ("Bad dreg pair"); | |
812 | else | |
813 | { | |
814 | notethat ("dsp32alu: (dregs , dregs ) = BYTEUNPACK dregs_pair (aligndir)\n"); | |
815 | $$ = DSP32ALU (24, 0, &$2, &$4, &$8, 0, $11.r0, 0, 1); | |
816 | } | |
817 | } | |
818 | | LPAREN REG COMMA REG RPAREN ASSIGN SEARCH REG LPAREN searchmod RPAREN | |
819 | { | |
820 | if (IS_DREG ($2) && IS_DREG ($4) && IS_DREG ($8)) | |
821 | { | |
822 | notethat ("dsp32alu: (dregs , dregs ) = SEARCH dregs (searchmod)\n"); | |
823 | $$ = DSP32ALU (13, 0, &$2, &$4, &$8, 0, 0, 0, $10.r0); | |
824 | } | |
825 | else | |
826 | return yyerror ("Register mismatch"); | |
827 | } | |
828 | | REG ASSIGN A_ONE_DOT_L PLUS A_ONE_DOT_H COMMA | |
829 | REG ASSIGN A_ZERO_DOT_L PLUS A_ZERO_DOT_H | |
830 | { | |
831 | if (IS_DREG ($1) && IS_DREG ($7)) | |
832 | { | |
833 | notethat ("dsp32alu: dregs = A1.l + A1.h, dregs = A0.l + A0.h \n"); | |
834 | $$ = DSP32ALU (12, 0, &$1, &$7, 0, 0, 0, 0, 1); | |
835 | } | |
836 | else | |
837 | return yyerror ("Register mismatch"); | |
838 | } | |
839 | ||
840 | ||
841 | | REG ASSIGN REG_A PLUS REG_A COMMA REG ASSIGN REG_A MINUS REG_A amod1 | |
842 | { | |
843 | if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5) | |
844 | && IS_A1 ($9) && !IS_A1 ($11)) | |
845 | { | |
846 | notethat ("dsp32alu: dregs = A1 + A0 , dregs = A1 - A0 (amod1)\n"); | |
847 | $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 0); | |
848 | ||
849 | } | |
850 | else if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5) | |
851 | && !IS_A1 ($9) && IS_A1 ($11)) | |
852 | { | |
853 | notethat ("dsp32alu: dregs = A0 + A1 , dregs = A0 - A1 (amod1)\n"); | |
854 | $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 1); | |
855 | } | |
856 | else | |
857 | return yyerror ("Register mismatch"); | |
858 | } | |
859 | ||
860 | | REG ASSIGN REG plus_minus REG COMMA REG ASSIGN REG plus_minus REG amod1 | |
861 | { | |
862 | if ($4.r0 == $10.r0) | |
863 | return yyerror ("Operators must differ"); | |
864 | ||
865 | if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5) | |
866 | && REG_SAME ($3, $9) && REG_SAME ($5, $11)) | |
867 | { | |
868 | notethat ("dsp32alu: dregs = dregs + dregs," | |
869 | "dregs = dregs - dregs (amod1)\n"); | |
870 | $$ = DSP32ALU (4, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, 2); | |
871 | } | |
872 | else | |
873 | return yyerror ("Register mismatch"); | |
874 | } | |
875 | ||
876 | /* Bar Operations. */ | |
877 | ||
878 | | REG ASSIGN REG op_bar_op REG COMMA REG ASSIGN REG op_bar_op REG amod2 | |
879 | { | |
880 | if (!REG_SAME ($3, $9) || !REG_SAME ($5, $11)) | |
881 | return yyerror ("Differing source registers"); | |
882 | ||
883 | if (!IS_DREG ($1) || !IS_DREG ($3) || !IS_DREG ($5) || !IS_DREG ($7)) | |
884 | return yyerror ("Dregs expected"); | |
885 | ||
886 | ||
887 | if ($4.r0 == 1 && $10.r0 == 2) | |
888 | { | |
889 | notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n"); | |
890 | $$ = DSP32ALU (1, 1, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0); | |
891 | } | |
892 | else if ($4.r0 == 0 && $10.r0 == 3) | |
893 | { | |
894 | notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n"); | |
895 | $$ = DSP32ALU (1, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0); | |
896 | } | |
897 | else | |
898 | return yyerror ("Bar operand mismatch"); | |
899 | } | |
900 | ||
901 | | REG ASSIGN ABS REG vmod | |
902 | { | |
903 | int op; | |
904 | ||
905 | if (IS_DREG ($1) && IS_DREG ($4)) | |
906 | { | |
907 | if ($5.r0) | |
908 | { | |
909 | notethat ("dsp32alu: dregs = ABS dregs (v)\n"); | |
910 | op = 6; | |
911 | } | |
912 | else | |
913 | { | |
914 | /* Vector version of ABS. */ | |
915 | notethat ("dsp32alu: dregs = ABS dregs\n"); | |
916 | op = 7; | |
917 | } | |
918 | $$ = DSP32ALU (op, 0, 0, &$1, &$4, 0, 0, 0, 2); | |
919 | } | |
920 | else | |
921 | return yyerror ("Dregs expected"); | |
922 | } | |
923 | | a_assign ABS REG_A | |
924 | { | |
925 | notethat ("dsp32alu: Ax = ABS Ax\n"); | |
926 | $$ = DSP32ALU (16, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3)); | |
927 | } | |
928 | | A_ZERO_DOT_L ASSIGN HALF_REG | |
929 | { | |
930 | if (IS_DREG_L ($3)) | |
931 | { | |
932 | notethat ("dsp32alu: A0.l = reg_half\n"); | |
933 | $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0); | |
934 | } | |
935 | else | |
936 | return yyerror ("A0.l = Rx.l expected"); | |
937 | } | |
938 | | A_ONE_DOT_L ASSIGN HALF_REG | |
939 | { | |
940 | if (IS_DREG_L ($3)) | |
941 | { | |
942 | notethat ("dsp32alu: A1.l = reg_half\n"); | |
943 | $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2); | |
944 | } | |
945 | else | |
946 | return yyerror ("A1.l = Rx.l expected"); | |
947 | } | |
948 | ||
949 | | REG ASSIGN c_align LPAREN REG COMMA REG RPAREN | |
950 | { | |
951 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
952 | { | |
953 | notethat ("dsp32shift: dregs = ALIGN8 (dregs , dregs )\n"); | |
954 | $$ = DSP32SHIFT (13, &$1, &$7, &$5, $3.r0, 0); | |
955 | } | |
956 | else | |
957 | return yyerror ("Dregs expected"); | |
958 | } | |
959 | ||
960 | | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN byteop_mod | |
961 | { | |
962 | if (!IS_DREG ($1)) | |
963 | return yyerror ("Dregs expected"); | |
964 | else if (!valid_dreg_pair (&$5, $7)) | |
965 | return yyerror ("Bad dreg pair"); | |
966 | else if (!valid_dreg_pair (&$9, $11)) | |
967 | return yyerror ("Bad dreg pair"); | |
968 | else | |
969 | { | |
970 | notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n"); | |
971 | $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, $13.s0, 0, $13.r0); | |
972 | } | |
973 | } | |
974 | | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN | |
975 | { | |
976 | if (!IS_DREG ($1)) | |
977 | return yyerror ("Dregs expected"); | |
978 | else if (!valid_dreg_pair (&$5, $7)) | |
979 | return yyerror ("Bad dreg pair"); | |
980 | else if (!valid_dreg_pair (&$9, $11)) | |
981 | return yyerror ("Bad dreg pair"); | |
982 | else | |
983 | { | |
984 | notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n"); | |
985 | $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, 0, 0, 0); | |
986 | } | |
987 | } | |
988 | ||
989 | | REG ASSIGN BYTEOP2P LPAREN REG COLON expr COMMA REG COLON expr RPAREN | |
990 | rnd_op | |
991 | { | |
992 | if (!IS_DREG ($1)) | |
993 | return yyerror ("Dregs expected"); | |
994 | else if (!valid_dreg_pair (&$5, $7)) | |
995 | return yyerror ("Bad dreg pair"); | |
996 | else if (!valid_dreg_pair (&$9, $11)) | |
997 | return yyerror ("Bad dreg pair"); | |
998 | else | |
999 | { | |
1000 | notethat ("dsp32alu: dregs = BYTEOP2P (dregs_pair , dregs_pair ) (rnd_op)\n"); | |
1001 | $$ = DSP32ALU (22, $13.r0, 0, &$1, &$5, &$9, $13.s0, $13.x0, $13.aop); | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | | REG ASSIGN BYTEOP2M LPAREN REG COLON expr COMMA REG COLON expr RPAREN | |
1006 | rnd_op | |
1007 | { | |
1008 | if (!IS_DREG ($1)) | |
1009 | return yyerror ("Dregs expected"); | |
1010 | else if (!valid_dreg_pair (&$5, $7)) | |
1011 | return yyerror ("Bad dreg pair"); | |
1012 | else if (!valid_dreg_pair (&$9, $11)) | |
1013 | return yyerror ("Bad dreg pair"); | |
1014 | else | |
1015 | { | |
1016 | notethat ("dsp32alu: dregs = BYTEOP2P (dregs_pair , dregs_pair ) (rnd_op)\n"); | |
1017 | $$ = DSP32ALU (22, $13.r0, 0, &$1, &$5, &$9, $13.s0, 0, $13.x0); | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | | REG ASSIGN BYTEOP3P LPAREN REG COLON expr COMMA REG COLON expr RPAREN | |
1022 | b3_op | |
1023 | { | |
1024 | if (!IS_DREG ($1)) | |
1025 | return yyerror ("Dregs expected"); | |
1026 | else if (!valid_dreg_pair (&$5, $7)) | |
1027 | return yyerror ("Bad dreg pair"); | |
1028 | else if (!valid_dreg_pair (&$9, $11)) | |
1029 | return yyerror ("Bad dreg pair"); | |
1030 | else | |
1031 | { | |
1032 | notethat ("dsp32alu: dregs = BYTEOP3P (dregs_pair , dregs_pair ) (b3_op)\n"); | |
1033 | $$ = DSP32ALU (23, $13.x0, 0, &$1, &$5, &$9, $13.s0, 0, 0); | |
1034 | } | |
1035 | } | |
1036 | ||
1037 | | REG ASSIGN BYTEPACK LPAREN REG COMMA REG RPAREN | |
1038 | { | |
1039 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
1040 | { | |
1041 | notethat ("dsp32alu: dregs = BYTEPACK (dregs , dregs )\n"); | |
1042 | $$ = DSP32ALU (24, 0, 0, &$1, &$5, &$7, 0, 0, 0); | |
1043 | } | |
1044 | else | |
1045 | return yyerror ("Dregs expected"); | |
1046 | } | |
1047 | ||
1048 | | HALF_REG ASSIGN HALF_REG ASSIGN SIGN LPAREN HALF_REG RPAREN STAR | |
1049 | HALF_REG PLUS SIGN LPAREN HALF_REG RPAREN STAR HALF_REG | |
1050 | { | |
1051 | if (IS_HCOMPL ($1, $3) && IS_HCOMPL ($7, $14) && IS_HCOMPL ($10, $17)) | |
1052 | { | |
1053 | notethat ("dsp32alu: dregs_hi = dregs_lo =" | |
1054 | "SIGN (dregs_hi) * dregs_hi + " | |
1055 | "SIGN (dregs_lo) * dregs_lo \n"); | |
1056 | ||
1057 | $$ = DSP32ALU (12, 0, 0, &$1, &$7, &$10, 0, 0, 0); | |
1058 | } | |
1059 | else | |
1060 | return yyerror ("Dregs expected"); | |
1061 | } | |
1062 | | REG ASSIGN REG plus_minus REG amod1 | |
1063 | { | |
1064 | if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)) | |
1065 | { | |
1066 | if ($6.aop == 0) | |
1067 | { | |
1068 | /* No saturation flag specified, generate the 16 bit variant. */ | |
1069 | notethat ("COMP3op: dregs = dregs +- dregs\n"); | |
1070 | $$ = COMP3OP (&$1, &$3, &$5, $4.r0); | |
1071 | } | |
1072 | else | |
1073 | { | |
1074 | /* Saturation flag specified, generate the 32 bit variant. */ | |
1075 | notethat ("dsp32alu: dregs = dregs +- dregs (amod1)\n"); | |
1076 | $$ = DSP32ALU (4, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0); | |
1077 | } | |
1078 | } | |
1079 | else | |
1080 | if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($5) && $4.r0 == 0) | |
1081 | { | |
1082 | notethat ("COMP3op: pregs = pregs + pregs\n"); | |
1083 | $$ = COMP3OP (&$1, &$3, &$5, 5); | |
1084 | } | |
1085 | else | |
1086 | return yyerror ("Dregs expected"); | |
1087 | } | |
1088 | | REG ASSIGN min_max LPAREN REG COMMA REG RPAREN vmod | |
1089 | { | |
1090 | int op; | |
1091 | ||
1092 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
1093 | { | |
1094 | if ($9.r0) | |
1095 | op = 6; | |
1096 | else | |
1097 | op = 7; | |
1098 | ||
1099 | notethat ("dsp32alu: dregs = {MIN|MAX} (dregs, dregs)\n"); | |
1100 | $$ = DSP32ALU (op, 0, 0, &$1, &$5, &$7, 0, 0, $3.r0); | |
1101 | } | |
1102 | else | |
1103 | return yyerror ("Dregs expected"); | |
1104 | } | |
1105 | ||
1106 | | a_assign MINUS REG_A | |
1107 | { | |
1108 | notethat ("dsp32alu: Ax = - Ax\n"); | |
1109 | $$ = DSP32ALU (14, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3)); | |
1110 | } | |
1111 | | HALF_REG ASSIGN HALF_REG plus_minus HALF_REG amod1 | |
1112 | { | |
1113 | notethat ("dsp32alu: dregs_lo = dregs_lo +- dregs_lo (amod1)\n"); | |
1114 | $$ = DSP32ALU (2 | $4.r0, IS_H ($1), 0, &$1, &$3, &$5, | |
1115 | $6.s0, $6.x0, HL2 ($3, $5)); | |
1116 | } | |
1117 | | a_assign a_assign expr | |
1118 | { | |
1119 | if (EXPR_VALUE ($3) == 0 && !REG_SAME ($1, $2)) | |
1120 | { | |
1121 | notethat ("dsp32alu: A1 = A0 = 0\n"); | |
1122 | $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, 2); | |
1123 | } | |
1124 | else | |
1125 | return yyerror ("Bad value, 0 expected"); | |
1126 | } | |
1127 | ||
1128 | /* Saturating. */ | |
1129 | | a_assign REG_A LPAREN S RPAREN | |
1130 | { | |
1131 | if (REG_SAME ($1, $2)) | |
1132 | { | |
1133 | notethat ("dsp32alu: Ax = Ax (S)\n"); | |
1134 | $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, IS_A1 ($1)); | |
1135 | } | |
1136 | else | |
1137 | return yyerror ("Registers must be equal"); | |
1138 | } | |
1139 | ||
1140 | | HALF_REG ASSIGN REG LPAREN RND RPAREN | |
1141 | { | |
1142 | if (IS_DREG ($3)) | |
1143 | { | |
1144 | notethat ("dsp32alu: dregs_half = dregs (RND)\n"); | |
1145 | $$ = DSP32ALU (12, IS_H ($1), 0, &$1, &$3, 0, 0, 0, 3); | |
1146 | } | |
1147 | else | |
1148 | return yyerror ("Dregs expected"); | |
1149 | } | |
1150 | ||
1151 | | HALF_REG ASSIGN REG plus_minus REG LPAREN RND12 RPAREN | |
1152 | { | |
1153 | if (IS_DREG ($3) && IS_DREG ($5)) | |
1154 | { | |
1155 | notethat ("dsp32alu: dregs_half = dregs (+-) dregs (RND12)\n"); | |
1156 | $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 0, $4.r0); | |
1157 | } | |
1158 | else | |
1159 | return yyerror ("Dregs expected"); | |
1160 | } | |
1161 | ||
1162 | | HALF_REG ASSIGN REG plus_minus REG LPAREN RND20 RPAREN | |
1163 | { | |
1164 | if (IS_DREG ($3) && IS_DREG ($5)) | |
1165 | { | |
1166 | notethat ("dsp32alu: dregs_half = dregs -+ dregs (RND20)\n"); | |
1167 | $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 1, $4.r0 | 2); | |
1168 | } | |
1169 | else | |
1170 | return yyerror ("Dregs expected"); | |
1171 | } | |
1172 | ||
1173 | | a_assign REG_A | |
1174 | { | |
1175 | if (!REG_SAME ($1, $2)) | |
1176 | { | |
1177 | notethat ("dsp32alu: An = Am\n"); | |
1178 | $$ = DSP32ALU (8, 0, 0, 0, 0, 0, IS_A1 ($1), 0, 3); | |
1179 | } | |
1180 | else | |
1181 | return yyerror ("Accu reg arguments must differ"); | |
1182 | } | |
1183 | ||
1184 | | a_assign REG | |
1185 | { | |
1186 | if (IS_DREG ($2)) | |
1187 | { | |
1188 | notethat ("dsp32alu: An = dregs\n"); | |
1189 | $$ = DSP32ALU (9, 0, 0, 0, &$2, 0, 1, 0, IS_A1 ($1) << 1); | |
1190 | } | |
1191 | else | |
1192 | return yyerror ("Dregs expected"); | |
1193 | } | |
1194 | ||
1195 | | REG ASSIGN HALF_REG xpmod | |
1196 | { | |
1197 | if (!IS_H ($3)) | |
1198 | { | |
1199 | if ($1.regno == REG_A0x && IS_DREG ($3)) | |
1200 | { | |
1201 | notethat ("dsp32alu: A0.x = dregs_lo\n"); | |
1202 | $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 1); | |
1203 | } | |
1204 | else if ($1.regno == REG_A1x && IS_DREG ($3)) | |
1205 | { | |
1206 | notethat ("dsp32alu: A1.x = dregs_lo\n"); | |
1207 | $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 3); | |
1208 | } | |
1209 | else if (IS_DREG ($1) && IS_DREG ($3)) | |
1210 | { | |
1211 | notethat ("ALU2op: dregs = dregs_lo\n"); | |
1212 | $$ = ALU2OP (&$1, &$3, 10 | ($4.r0 ? 0: 1)); | |
1213 | } | |
1214 | else | |
1215 | return yyerror ("Register mismatch"); | |
1216 | } | |
1217 | else | |
1218 | return yyerror ("Low reg expected"); | |
1219 | } | |
1220 | ||
1221 | | HALF_REG ASSIGN expr | |
1222 | { | |
1223 | notethat ("LDIMMhalf: pregs_half = imm16\n"); | |
73562ad0 JZ |
1224 | |
1225 | if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1) | |
1226 | && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1)) | |
1227 | return yyerror ("Wrong register for load immediate"); | |
1228 | ||
07c1b327 CM |
1229 | if (!IS_IMM ($3, 16) && !IS_UIMM ($3, 16)) |
1230 | return yyerror ("Constant out of range"); | |
73562ad0 | 1231 | |
07c1b327 CM |
1232 | $$ = LDIMMHALF_R (&$1, IS_H ($1), 0, 0, $3); |
1233 | } | |
1234 | ||
1235 | | a_assign expr | |
1236 | { | |
1237 | notethat ("dsp32alu: An = 0\n"); | |
1238 | ||
1239 | if (imm7 ($2) != 0) | |
1240 | return yyerror ("0 expected"); | |
1241 | ||
1242 | $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, IS_A1 ($1)); | |
1243 | } | |
1244 | ||
1245 | | REG ASSIGN expr xpmod1 | |
1246 | { | |
73562ad0 JZ |
1247 | if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1) |
1248 | && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1)) | |
1249 | return yyerror ("Wrong register for load immediate"); | |
1250 | ||
07c1b327 CM |
1251 | if ($4.r0 == 0) |
1252 | { | |
1253 | /* 7 bit immediate value if possible. | |
1254 | We will check for that constant value for efficiency | |
1255 | If it goes to reloc, it will be 16 bit. */ | |
b14273fe | 1256 | if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_DREG ($1)) |
07c1b327 | 1257 | { |
b14273fe JZ |
1258 | notethat ("COMPI2opD: dregs = imm7 (x) \n"); |
1259 | $$ = COMPI2OPD (&$1, imm7 ($3), 0); | |
1260 | } | |
1261 | else if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_PREG ($1)) | |
1262 | { | |
1263 | notethat ("COMPI2opP: pregs = imm7 (x)\n"); | |
1264 | $$ = COMPI2OPP (&$1, imm7 ($3), 0); | |
07c1b327 CM |
1265 | } |
1266 | else | |
1267 | { | |
b14273fe JZ |
1268 | if (IS_CONST ($3) && !IS_IMM ($3, 16)) |
1269 | return yyerror ("Immediate value out of range"); | |
1270 | ||
07c1b327 CM |
1271 | notethat ("LDIMMhalf: regs = luimm16 (x)\n"); |
1272 | /* reg, H, S, Z. */ | |
1273 | $$ = LDIMMHALF_R5 (&$1, 0, 1, 0, $3); | |
1274 | } | |
1275 | } | |
1276 | else | |
1277 | { | |
1278 | /* (z) There is no 7 bit zero extended instruction. | |
1279 | If the expr is a relocation, generate it. */ | |
b14273fe JZ |
1280 | |
1281 | if (IS_CONST ($3) && !IS_UIMM ($3, 16)) | |
1282 | return yyerror ("Immediate value out of range"); | |
1283 | ||
07c1b327 CM |
1284 | notethat ("LDIMMhalf: regs = luimm16 (x)\n"); |
1285 | /* reg, H, S, Z. */ | |
1286 | $$ = LDIMMHALF_R5 (&$1, 0, 0, 1, $3); | |
1287 | } | |
1288 | } | |
1289 | ||
1290 | | HALF_REG ASSIGN REG | |
1291 | { | |
1292 | if (IS_H ($1)) | |
1293 | return yyerror ("Low reg expected"); | |
1294 | ||
1295 | if (IS_DREG ($1) && $3.regno == REG_A0x) | |
1296 | { | |
1297 | notethat ("dsp32alu: dregs_lo = A0.x\n"); | |
1298 | $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 0); | |
1299 | } | |
1300 | else if (IS_DREG ($1) && $3.regno == REG_A1x) | |
1301 | { | |
1302 | notethat ("dsp32alu: dregs_lo = A1.x\n"); | |
1303 | $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 1); | |
1304 | } | |
1305 | else | |
1306 | return yyerror ("Register mismatch"); | |
1307 | } | |
1308 | ||
1309 | | REG ASSIGN REG op_bar_op REG amod0 | |
1310 | { | |
1311 | if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)) | |
1312 | { | |
1313 | notethat ("dsp32alu: dregs = dregs .|. dregs (amod0)\n"); | |
1314 | $$ = DSP32ALU (0, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0); | |
1315 | } | |
1316 | else | |
1317 | return yyerror ("Register mismatch"); | |
1318 | } | |
1319 | ||
1320 | | REG ASSIGN BYTE_DREG xpmod | |
1321 | { | |
1322 | if (IS_DREG ($1) && IS_DREG ($3)) | |
1323 | { | |
1324 | notethat ("ALU2op: dregs = dregs_byte\n"); | |
1325 | $$ = ALU2OP (&$1, &$3, 12 | ($4.r0 ? 0: 1)); | |
1326 | } | |
1327 | else | |
1328 | return yyerror ("Register mismatch"); | |
1329 | } | |
1330 | ||
1331 | | a_assign ABS REG_A COMMA a_assign ABS REG_A | |
1332 | { | |
1333 | if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5)) | |
1334 | { | |
1335 | notethat ("dsp32alu: A1 = ABS A1 , A0 = ABS A0\n"); | |
1336 | $$ = DSP32ALU (16, 0, 0, 0, 0, 0, 0, 0, 3); | |
1337 | } | |
1338 | else | |
1339 | return yyerror ("Register mismatch"); | |
1340 | } | |
1341 | ||
1342 | | a_assign MINUS REG_A COMMA a_assign MINUS REG_A | |
1343 | { | |
1344 | if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5)) | |
1345 | { | |
1346 | notethat ("dsp32alu: A1 = - A1 , A0 = - A0\n"); | |
1347 | $$ = DSP32ALU (14, 0, 0, 0, 0, 0, 0, 0, 3); | |
1348 | } | |
1349 | else | |
1350 | return yyerror ("Register mismatch"); | |
1351 | } | |
1352 | ||
1353 | | a_minusassign REG_A w32_or_nothing | |
1354 | { | |
1355 | if (!IS_A1 ($1) && IS_A1 ($2)) | |
1356 | { | |
1357 | notethat ("dsp32alu: A0 -= A1\n"); | |
1358 | $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $3.r0, 0, 3); | |
1359 | } | |
1360 | else | |
1361 | return yyerror ("Register mismatch"); | |
1362 | } | |
1363 | ||
1364 | | REG _MINUS_ASSIGN expr | |
1365 | { | |
1366 | if (IS_IREG ($1) && EXPR_VALUE ($3) == 4) | |
1367 | { | |
1368 | notethat ("dagMODik: iregs -= 4\n"); | |
1369 | $$ = DAGMODIK (&$1, 3); | |
1370 | } | |
1371 | else if (IS_IREG ($1) && EXPR_VALUE ($3) == 2) | |
1372 | { | |
1373 | notethat ("dagMODik: iregs -= 2\n"); | |
1374 | $$ = DAGMODIK (&$1, 1); | |
1375 | } | |
1376 | else | |
1377 | return yyerror ("Register or value mismatch"); | |
1378 | } | |
1379 | ||
1380 | | REG _PLUS_ASSIGN REG LPAREN BREV RPAREN | |
1381 | { | |
1382 | if (IS_IREG ($1) && IS_MREG ($3)) | |
1383 | { | |
1384 | notethat ("dagMODim: iregs += mregs (opt_brev)\n"); | |
1385 | /* i, m, op, br. */ | |
1386 | $$ = DAGMODIM (&$1, &$3, 0, 1); | |
1387 | } | |
1388 | else if (IS_PREG ($1) && IS_PREG ($3)) | |
1389 | { | |
1390 | notethat ("PTR2op: pregs += pregs (BREV )\n"); | |
1391 | $$ = PTR2OP (&$1, &$3, 5); | |
1392 | } | |
1393 | else | |
1394 | return yyerror ("Register mismatch"); | |
1395 | } | |
1396 | ||
1397 | | REG _MINUS_ASSIGN REG | |
1398 | { | |
1399 | if (IS_IREG ($1) && IS_MREG ($3)) | |
1400 | { | |
1401 | notethat ("dagMODim: iregs -= mregs\n"); | |
1402 | $$ = DAGMODIM (&$1, &$3, 1, 0); | |
1403 | } | |
1404 | else if (IS_PREG ($1) && IS_PREG ($3)) | |
1405 | { | |
1406 | notethat ("PTR2op: pregs -= pregs\n"); | |
1407 | $$ = PTR2OP (&$1, &$3, 0); | |
1408 | } | |
1409 | else | |
1410 | return yyerror ("Register mismatch"); | |
1411 | } | |
1412 | ||
1413 | | REG_A _PLUS_ASSIGN REG_A w32_or_nothing | |
1414 | { | |
1415 | if (!IS_A1 ($1) && IS_A1 ($3)) | |
1416 | { | |
1417 | notethat ("dsp32alu: A0 += A1 (W32)\n"); | |
1418 | $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $4.r0, 0, 2); | |
1419 | } | |
1420 | else | |
1421 | return yyerror ("Register mismatch"); | |
1422 | } | |
1423 | ||
1424 | | REG _PLUS_ASSIGN REG | |
1425 | { | |
1426 | if (IS_IREG ($1) && IS_MREG ($3)) | |
1427 | { | |
1428 | notethat ("dagMODim: iregs += mregs\n"); | |
1429 | $$ = DAGMODIM (&$1, &$3, 0, 0); | |
1430 | } | |
1431 | else | |
1432 | return yyerror ("iregs += mregs expected"); | |
1433 | } | |
1434 | ||
1435 | | REG _PLUS_ASSIGN expr | |
1436 | { | |
1437 | if (IS_IREG ($1)) | |
1438 | { | |
1439 | if (EXPR_VALUE ($3) == 4) | |
1440 | { | |
1441 | notethat ("dagMODik: iregs += 4\n"); | |
1442 | $$ = DAGMODIK (&$1, 2); | |
1443 | } | |
1444 | else if (EXPR_VALUE ($3) == 2) | |
1445 | { | |
1446 | notethat ("dagMODik: iregs += 2\n"); | |
1447 | $$ = DAGMODIK (&$1, 0); | |
1448 | } | |
1449 | else | |
1450 | return yyerror ("iregs += [ 2 | 4 "); | |
1451 | } | |
1452 | else if (IS_PREG ($1) && IS_IMM ($3, 7)) | |
1453 | { | |
1454 | notethat ("COMPI2opP: pregs += imm7\n"); | |
1455 | $$ = COMPI2OPP (&$1, imm7 ($3), 1); | |
1456 | } | |
1457 | else if (IS_DREG ($1) && IS_IMM ($3, 7)) | |
1458 | { | |
1459 | notethat ("COMPI2opD: dregs += imm7\n"); | |
1460 | $$ = COMPI2OPD (&$1, imm7 ($3), 1); | |
1461 | } | |
d908d8f4 BS |
1462 | else if ((IS_DREG ($1) || IS_PREG ($1)) && IS_CONST ($3)) |
1463 | return yyerror ("Immediate value out of range"); | |
07c1b327 CM |
1464 | else |
1465 | return yyerror ("Register mismatch"); | |
1466 | } | |
1467 | ||
1468 | | REG _STAR_ASSIGN REG | |
1469 | { | |
1470 | if (IS_DREG ($1) && IS_DREG ($3)) | |
1471 | { | |
1472 | notethat ("ALU2op: dregs *= dregs\n"); | |
1473 | $$ = ALU2OP (&$1, &$3, 3); | |
1474 | } | |
1475 | else | |
1476 | return yyerror ("Register mismatch"); | |
1477 | } | |
1478 | ||
1479 | | SAA LPAREN REG COLON expr COMMA REG COLON expr RPAREN aligndir | |
1480 | { | |
1481 | if (!valid_dreg_pair (&$3, $5)) | |
1482 | return yyerror ("Bad dreg pair"); | |
1483 | else if (!valid_dreg_pair (&$7, $9)) | |
1484 | return yyerror ("Bad dreg pair"); | |
1485 | else | |
1486 | { | |
1487 | notethat ("dsp32alu: SAA (dregs_pair , dregs_pair ) (aligndir)\n"); | |
1488 | $$ = DSP32ALU (18, 0, 0, 0, &$3, &$7, $11.r0, 0, 0); | |
1489 | } | |
1490 | } | |
1491 | ||
1492 | | a_assign REG_A LPAREN S RPAREN COMMA a_assign REG_A LPAREN S RPAREN | |
1493 | { | |
1494 | if (REG_SAME ($1, $2) && REG_SAME ($7, $8) && !REG_SAME ($1, $7)) | |
1495 | { | |
1496 | notethat ("dsp32alu: A1 = A1 (S) , A0 = A0 (S)\n"); | |
1497 | $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, 2); | |
1498 | } | |
1499 | else | |
1500 | return yyerror ("Register mismatch"); | |
1501 | } | |
1502 | ||
1503 | | REG ASSIGN LPAREN REG PLUS REG RPAREN LESS_LESS expr | |
1504 | { | |
1505 | if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6) | |
1506 | && REG_SAME ($1, $4)) | |
1507 | { | |
1508 | if (EXPR_VALUE ($9) == 1) | |
1509 | { | |
1510 | notethat ("ALU2op: dregs = (dregs + dregs) << 1\n"); | |
1511 | $$ = ALU2OP (&$1, &$6, 4); | |
1512 | } | |
1513 | else if (EXPR_VALUE ($9) == 2) | |
1514 | { | |
1515 | notethat ("ALU2op: dregs = (dregs + dregs) << 2\n"); | |
1516 | $$ = ALU2OP (&$1, &$6, 5); | |
1517 | } | |
1518 | else | |
1519 | return yyerror ("Bad shift value"); | |
1520 | } | |
1521 | else if (IS_PREG ($1) && IS_PREG ($4) && IS_PREG ($6) | |
1522 | && REG_SAME ($1, $4)) | |
1523 | { | |
1524 | if (EXPR_VALUE ($9) == 1) | |
1525 | { | |
1526 | notethat ("PTR2op: pregs = (pregs + pregs) << 1\n"); | |
1527 | $$ = PTR2OP (&$1, &$6, 6); | |
1528 | } | |
1529 | else if (EXPR_VALUE ($9) == 2) | |
1530 | { | |
1531 | notethat ("PTR2op: pregs = (pregs + pregs) << 2\n"); | |
1532 | $$ = PTR2OP (&$1, &$6, 7); | |
1533 | } | |
1534 | else | |
1535 | return yyerror ("Bad shift value"); | |
1536 | } | |
1537 | else | |
1538 | return yyerror ("Register mismatch"); | |
1539 | } | |
1540 | ||
1541 | /* COMP3 CCFLAG. */ | |
1542 | | REG ASSIGN REG BAR REG | |
1543 | { | |
1544 | if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)) | |
1545 | { | |
1546 | notethat ("COMP3op: dregs = dregs | dregs\n"); | |
1547 | $$ = COMP3OP (&$1, &$3, &$5, 3); | |
1548 | } | |
1549 | else | |
1550 | return yyerror ("Dregs expected"); | |
1551 | } | |
1552 | | REG ASSIGN REG CARET REG | |
1553 | { | |
1554 | if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)) | |
1555 | { | |
1556 | notethat ("COMP3op: dregs = dregs ^ dregs\n"); | |
1557 | $$ = COMP3OP (&$1, &$3, &$5, 4); | |
1558 | } | |
1559 | else | |
1560 | return yyerror ("Dregs expected"); | |
1561 | } | |
1562 | | REG ASSIGN REG PLUS LPAREN REG LESS_LESS expr RPAREN | |
1563 | { | |
1564 | if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($6)) | |
1565 | { | |
1566 | if (EXPR_VALUE ($8) == 1) | |
1567 | { | |
1568 | notethat ("COMP3op: pregs = pregs + (pregs << 1)\n"); | |
1569 | $$ = COMP3OP (&$1, &$3, &$6, 6); | |
1570 | } | |
1571 | else if (EXPR_VALUE ($8) == 2) | |
1572 | { | |
1573 | notethat ("COMP3op: pregs = pregs + (pregs << 2)\n"); | |
1574 | $$ = COMP3OP (&$1, &$3, &$6, 7); | |
1575 | } | |
1576 | else | |
1577 | return yyerror ("Bad shift value"); | |
1578 | } | |
1579 | else | |
1580 | return yyerror ("Dregs expected"); | |
1581 | } | |
1582 | | CCREG ASSIGN REG_A _ASSIGN_ASSIGN REG_A | |
1583 | { | |
99bfa74a | 1584 | if ($3.regno == REG_A0 && $5.regno == REG_A1) |
07c1b327 CM |
1585 | { |
1586 | notethat ("CCflag: CC = A0 == A1\n"); | |
1587 | $$ = CCFLAG (0, 0, 5, 0, 0); | |
1588 | } | |
1589 | else | |
99bfa74a | 1590 | return yyerror ("AREGs are in bad order or same"); |
07c1b327 CM |
1591 | } |
1592 | | CCREG ASSIGN REG_A LESS_THAN REG_A | |
1593 | { | |
99bfa74a | 1594 | if ($3.regno == REG_A0 && $5.regno == REG_A1) |
07c1b327 CM |
1595 | { |
1596 | notethat ("CCflag: CC = A0 < A1\n"); | |
1597 | $$ = CCFLAG (0, 0, 6, 0, 0); | |
1598 | } | |
1599 | else | |
99bfa74a | 1600 | return yyerror ("AREGs are in bad order or same"); |
07c1b327 CM |
1601 | } |
1602 | | CCREG ASSIGN REG LESS_THAN REG iu_or_nothing | |
1603 | { | |
1604 | if (REG_CLASS($3) == REG_CLASS($5)) | |
1605 | { | |
1606 | notethat ("CCflag: CC = dpregs < dpregs\n"); | |
1607 | $$ = CCFLAG (&$3, $5.regno & CODE_MASK, $6.r0, 0, IS_PREG ($3) ? 1 : 0); | |
1608 | } | |
1609 | else | |
1610 | return yyerror ("Compare only of same register class"); | |
1611 | } | |
1612 | | CCREG ASSIGN REG LESS_THAN expr iu_or_nothing | |
1613 | { | |
1614 | if (($6.r0 == 1 && IS_IMM ($5, 3)) | |
1615 | || ($6.r0 == 3 && IS_UIMM ($5, 3))) | |
1616 | { | |
1617 | notethat ("CCflag: CC = dpregs < (u)imm3\n"); | |
1618 | $$ = CCFLAG (&$3, imm3 ($5), $6.r0, 1, IS_PREG ($3) ? 1 : 0); | |
1619 | } | |
1620 | else | |
1621 | return yyerror ("Bad constant value"); | |
1622 | } | |
1623 | | CCREG ASSIGN REG _ASSIGN_ASSIGN REG | |
1624 | { | |
1625 | if (REG_CLASS($3) == REG_CLASS($5)) | |
1626 | { | |
1627 | notethat ("CCflag: CC = dpregs == dpregs\n"); | |
1628 | $$ = CCFLAG (&$3, $5.regno & CODE_MASK, 0, 0, IS_PREG ($3) ? 1 : 0); | |
99bfa74a BS |
1629 | } |
1630 | else | |
1631 | return yyerror ("Compare only of same register class"); | |
07c1b327 CM |
1632 | } |
1633 | | CCREG ASSIGN REG _ASSIGN_ASSIGN expr | |
1634 | { | |
1635 | if (IS_IMM ($5, 3)) | |
1636 | { | |
1637 | notethat ("CCflag: CC = dpregs == imm3\n"); | |
1638 | $$ = CCFLAG (&$3, imm3 ($5), 0, 1, IS_PREG ($3) ? 1 : 0); | |
1639 | } | |
1640 | else | |
1641 | return yyerror ("Bad constant range"); | |
1642 | } | |
1643 | | CCREG ASSIGN REG_A _LESS_THAN_ASSIGN REG_A | |
1644 | { | |
99bfa74a | 1645 | if ($3.regno == REG_A0 && $5.regno == REG_A1) |
07c1b327 CM |
1646 | { |
1647 | notethat ("CCflag: CC = A0 <= A1\n"); | |
1648 | $$ = CCFLAG (0, 0, 7, 0, 0); | |
1649 | } | |
1650 | else | |
99bfa74a | 1651 | return yyerror ("AREGs are in bad order or same"); |
07c1b327 CM |
1652 | } |
1653 | | CCREG ASSIGN REG _LESS_THAN_ASSIGN REG iu_or_nothing | |
1654 | { | |
1655 | if (REG_CLASS($3) == REG_CLASS($5)) | |
1656 | { | |
1657 | notethat ("CCflag: CC = pregs <= pregs (..)\n"); | |
1658 | $$ = CCFLAG (&$3, $5.regno & CODE_MASK, | |
1659 | 1 + $6.r0, 0, IS_PREG ($3) ? 1 : 0); | |
1660 | } | |
1661 | else | |
1662 | return yyerror ("Compare only of same register class"); | |
1663 | } | |
1664 | | CCREG ASSIGN REG _LESS_THAN_ASSIGN expr iu_or_nothing | |
1665 | { | |
1666 | if (($6.r0 == 1 && IS_IMM ($5, 3)) | |
1667 | || ($6.r0 == 3 && IS_UIMM ($5, 3))) | |
1668 | { | |
1669 | if (IS_DREG ($3)) | |
1670 | { | |
1671 | notethat ("CCflag: CC = dregs <= (u)imm3\n"); | |
1672 | /* x y opc I G */ | |
1673 | $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, 0); | |
1674 | } | |
1675 | else if (IS_PREG ($3)) | |
1676 | { | |
1677 | notethat ("CCflag: CC = pregs <= (u)imm3\n"); | |
1678 | /* x y opc I G */ | |
1679 | $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, 1); | |
1680 | } | |
1681 | else | |
1682 | return yyerror ("Dreg or Preg expected"); | |
1683 | } | |
1684 | else | |
1685 | return yyerror ("Bad constant value"); | |
1686 | } | |
1687 | ||
1688 | | REG ASSIGN REG AMPERSAND REG | |
1689 | { | |
1690 | if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)) | |
1691 | { | |
1692 | notethat ("COMP3op: dregs = dregs & dregs\n"); | |
1693 | $$ = COMP3OP (&$1, &$3, &$5, 2); | |
1694 | } | |
1695 | else | |
1696 | return yyerror ("Dregs expected"); | |
1697 | } | |
1698 | ||
1699 | | ccstat | |
1700 | { | |
1701 | notethat ("CC2stat operation\n"); | |
1702 | $$ = bfin_gen_cc2stat ($1.r0, $1.x0, $1.s0); | |
1703 | } | |
1704 | ||
1705 | | REG ASSIGN REG | |
1706 | { | |
1707 | if (IS_ALLREG ($1) && IS_ALLREG ($3)) | |
1708 | { | |
1709 | notethat ("REGMV: allregs = allregs\n"); | |
1710 | $$ = bfin_gen_regmv (&$3, &$1); | |
1711 | } | |
1712 | else | |
1713 | return yyerror ("Register mismatch"); | |
1714 | } | |
1715 | ||
1716 | | CCREG ASSIGN REG | |
1717 | { | |
1718 | if (IS_DREG ($3)) | |
1719 | { | |
1720 | notethat ("CC2dreg: CC = dregs\n"); | |
1721 | $$ = bfin_gen_cc2dreg (1, &$3); | |
1722 | } | |
1723 | else | |
1724 | return yyerror ("Register mismatch"); | |
1725 | } | |
1726 | ||
1727 | | REG ASSIGN CCREG | |
1728 | { | |
1729 | if (IS_DREG ($1)) | |
1730 | { | |
1731 | notethat ("CC2dreg: dregs = CC\n"); | |
1732 | $$ = bfin_gen_cc2dreg (0, &$1); | |
1733 | } | |
1734 | else | |
1735 | return yyerror ("Register mismatch"); | |
1736 | } | |
1737 | ||
1738 | | CCREG _ASSIGN_BANG CCREG | |
1739 | { | |
1740 | notethat ("CC2dreg: CC =! CC\n"); | |
1741 | $$ = bfin_gen_cc2dreg (3, 0); | |
1742 | } | |
1743 | ||
1744 | /* DSPMULT. */ | |
1745 | ||
1746 | | HALF_REG ASSIGN multiply_halfregs opt_mode | |
1747 | { | |
1748 | notethat ("dsp32mult: dregs_half = multiply_halfregs (opt_mode)\n"); | |
1749 | ||
1750 | if (!IS_H ($1) && $4.MM) | |
1751 | return yyerror ("(M) not allowed with MAC0"); | |
1752 | ||
6429b084 JZ |
1753 | if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS |
1754 | && $4.mod != M_IU && $4.mod != M_T && $4.mod != M_TFU | |
1755 | && $4.mod != M_S2RND && $4.mod != M_ISS2 && $4.mod != M_IH) | |
1756 | return yyerror ("bad option."); | |
1757 | ||
07c1b327 CM |
1758 | if (IS_H ($1)) |
1759 | { | |
1760 | $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 0, | |
1761 | IS_H ($3.s0), IS_H ($3.s1), 0, 0, | |
1762 | &$1, 0, &$3.s0, &$3.s1, 0); | |
1763 | } | |
1764 | else | |
1765 | { | |
1766 | $$ = DSP32MULT (0, 0, $4.mod, 0, 0, | |
1767 | 0, 0, IS_H ($3.s0), IS_H ($3.s1), | |
1768 | &$1, 0, &$3.s0, &$3.s1, 1); | |
a3205465 | 1769 | } |
07c1b327 CM |
1770 | } |
1771 | ||
1772 | | REG ASSIGN multiply_halfregs opt_mode | |
1773 | { | |
1774 | /* Odd registers can use (M). */ | |
1775 | if (!IS_DREG ($1)) | |
1776 | return yyerror ("Dreg expected"); | |
1777 | ||
a3205465 JZ |
1778 | if (IS_EVEN ($1) && $4.MM) |
1779 | return yyerror ("(M) not allowed with MAC0"); | |
1780 | ||
6429b084 JZ |
1781 | if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS |
1782 | && $4.mod != M_S2RND && $4.mod != M_ISS2) | |
1783 | return yyerror ("bad option"); | |
1784 | ||
07c1b327 CM |
1785 | if (!IS_EVEN ($1)) |
1786 | { | |
1787 | notethat ("dsp32mult: dregs = multiply_halfregs (opt_mode)\n"); | |
1788 | ||
1789 | $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 1, | |
1790 | IS_H ($3.s0), IS_H ($3.s1), 0, 0, | |
1791 | &$1, 0, &$3.s0, &$3.s1, 0); | |
1792 | } | |
a3205465 | 1793 | else |
07c1b327 CM |
1794 | { |
1795 | notethat ("dsp32mult: dregs = multiply_halfregs opt_mode\n"); | |
1796 | $$ = DSP32MULT (0, 0, $4.mod, 0, 1, | |
1797 | 0, 0, IS_H ($3.s0), IS_H ($3.s1), | |
1798 | &$1, 0, &$3.s0, &$3.s1, 1); | |
1799 | } | |
07c1b327 CM |
1800 | } |
1801 | ||
1802 | | HALF_REG ASSIGN multiply_halfregs opt_mode COMMA | |
1803 | HALF_REG ASSIGN multiply_halfregs opt_mode | |
1804 | { | |
1805 | if (!IS_DREG ($1) || !IS_DREG ($6)) | |
1806 | return yyerror ("Dregs expected"); | |
1807 | ||
a3205465 JZ |
1808 | if (!IS_HCOMPL($1, $6)) |
1809 | return yyerror ("Dest registers mismatch"); | |
1810 | ||
07c1b327 CM |
1811 | if (check_multiply_halfregs (&$3, &$8) < 0) |
1812 | return -1; | |
1813 | ||
a3205465 JZ |
1814 | if ((!IS_H ($1) && $4.MM) |
1815 | || (!IS_H ($6) && $9.MM)) | |
1816 | return yyerror ("(M) not allowed with MAC0"); | |
1817 | ||
1818 | notethat ("dsp32mult: dregs_hi = multiply_halfregs mxd_mod, " | |
1819 | "dregs_lo = multiply_halfregs opt_mode\n"); | |
1820 | ||
1821 | if (IS_H ($1)) | |
1822 | $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 0, | |
1823 | IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1), | |
1824 | &$1, 0, &$3.s0, &$3.s1, 1); | |
07c1b327 | 1825 | else |
a3205465 JZ |
1826 | $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 0, |
1827 | IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1), | |
1828 | &$1, 0, &$3.s0, &$3.s1, 1); | |
07c1b327 CM |
1829 | } |
1830 | ||
a3205465 | 1831 | | REG ASSIGN multiply_halfregs opt_mode COMMA REG ASSIGN multiply_halfregs opt_mode |
07c1b327 CM |
1832 | { |
1833 | if (!IS_DREG ($1) || !IS_DREG ($6)) | |
1834 | return yyerror ("Dregs expected"); | |
1835 | ||
a3205465 JZ |
1836 | if ((IS_EVEN ($1) && $6.regno - $1.regno != 1) |
1837 | || (IS_EVEN ($6) && $1.regno - $6.regno != 1)) | |
1838 | return yyerror ("Dest registers mismatch"); | |
1839 | ||
07c1b327 CM |
1840 | if (check_multiply_halfregs (&$3, &$8) < 0) |
1841 | return -1; | |
1842 | ||
a3205465 JZ |
1843 | if ((IS_EVEN ($1) && $4.MM) |
1844 | || (IS_EVEN ($6) && $9.MM)) | |
1845 | return yyerror ("(M) not allowed with MAC0"); | |
1846 | ||
07c1b327 CM |
1847 | notethat ("dsp32mult: dregs = multiply_halfregs mxd_mod, " |
1848 | "dregs = multiply_halfregs opt_mode\n"); | |
07c1b327 | 1849 | |
a3205465 JZ |
1850 | if (IS_EVEN ($1)) |
1851 | $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 1, | |
1852 | IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1), | |
1853 | &$1, 0, &$3.s0, &$3.s1, 1); | |
07c1b327 | 1854 | else |
a3205465 JZ |
1855 | $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 1, |
1856 | IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1), | |
1857 | &$1, 0, &$3.s0, &$3.s1, 1); | |
07c1b327 CM |
1858 | } |
1859 | ||
1860 | \f | |
1861 | /* SHIFTs. */ | |
1862 | | a_assign ASHIFT REG_A BY HALF_REG | |
1863 | { | |
1864 | if (!REG_SAME ($1, $3)) | |
1865 | return yyerror ("Aregs must be same"); | |
1866 | ||
1867 | if (IS_DREG ($5) && !IS_H ($5)) | |
1868 | { | |
1869 | notethat ("dsp32shift: A0 = ASHIFT A0 BY dregs_lo\n"); | |
1870 | $$ = DSP32SHIFT (3, 0, &$5, 0, 0, IS_A1 ($1)); | |
1871 | } | |
1872 | else | |
1873 | return yyerror ("Dregs expected"); | |
1874 | } | |
1875 | ||
1876 | | HALF_REG ASSIGN ASHIFT HALF_REG BY HALF_REG smod | |
1877 | { | |
1878 | if (IS_DREG ($6) && !IS_H ($6)) | |
1879 | { | |
1880 | notethat ("dsp32shift: dregs_half = ASHIFT dregs_half BY dregs_lo\n"); | |
1881 | $$ = DSP32SHIFT (0, &$1, &$6, &$4, $7.s0, HL2 ($1, $4)); | |
1882 | } | |
1883 | else | |
1884 | return yyerror ("Dregs expected"); | |
1885 | } | |
1886 | ||
1887 | | a_assign REG_A LESS_LESS expr | |
1888 | { | |
1889 | if (!REG_SAME ($1, $2)) | |
1890 | return yyerror ("Aregs must be same"); | |
1891 | ||
1892 | if (IS_UIMM ($4, 5)) | |
1893 | { | |
1894 | notethat ("dsp32shiftimm: A0 = A0 << uimm5\n"); | |
1895 | $$ = DSP32SHIFTIMM (3, 0, imm5 ($4), 0, 0, IS_A1 ($1)); | |
1896 | } | |
1897 | else | |
1898 | return yyerror ("Bad shift value"); | |
1899 | } | |
1900 | ||
1901 | | REG ASSIGN REG LESS_LESS expr vsmod | |
1902 | { | |
1903 | if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5)) | |
1904 | { | |
1905 | if ($6.r0) | |
1906 | { | |
1907 | /* Vector? */ | |
1908 | notethat ("dsp32shiftimm: dregs = dregs << expr (V, .)\n"); | |
1909 | $$ = DSP32SHIFTIMM (1, &$1, imm4 ($5), &$3, $6.s0 ? 1 : 2, 0); | |
1910 | } | |
1911 | else | |
1912 | { | |
1913 | notethat ("dsp32shiftimm: dregs = dregs << uimm5 (.)\n"); | |
1914 | $$ = DSP32SHIFTIMM (2, &$1, imm6 ($5), &$3, $6.s0 ? 1 : 2, 0); | |
1915 | } | |
1916 | } | |
1917 | else if ($6.s0 == 0 && IS_PREG ($1) && IS_PREG ($3)) | |
1918 | { | |
1919 | if (EXPR_VALUE ($5) == 2) | |
1920 | { | |
1921 | notethat ("PTR2op: pregs = pregs << 2\n"); | |
1922 | $$ = PTR2OP (&$1, &$3, 1); | |
1923 | } | |
1924 | else if (EXPR_VALUE ($5) == 1) | |
1925 | { | |
1926 | notethat ("COMP3op: pregs = pregs << 1\n"); | |
1927 | $$ = COMP3OP (&$1, &$3, &$3, 5); | |
1928 | } | |
1929 | else | |
1930 | return yyerror ("Bad shift value"); | |
1931 | } | |
1932 | else | |
1933 | return yyerror ("Bad shift value or register"); | |
1934 | } | |
07c1b327 CM |
1935 | | HALF_REG ASSIGN HALF_REG LESS_LESS expr smod |
1936 | { | |
1937 | if (IS_UIMM ($5, 4)) | |
1938 | { | |
37b32935 JZ |
1939 | if ($6.s0) |
1940 | { | |
1941 | notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4 (S)\n"); | |
1942 | $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, $6.s0, HL2 ($1, $3)); | |
1943 | } | |
1944 | else | |
1945 | { | |
1946 | notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n"); | |
1947 | $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, 2, HL2 ($1, $3)); | |
1948 | } | |
07c1b327 CM |
1949 | } |
1950 | else | |
1951 | return yyerror ("Bad shift value"); | |
1952 | } | |
1953 | | REG ASSIGN ASHIFT REG BY HALF_REG vsmod | |
1954 | { | |
1955 | int op; | |
1956 | ||
1957 | if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6) && !IS_H ($6)) | |
1958 | { | |
1959 | if ($7.r0) | |
1960 | { | |
1961 | op = 1; | |
1962 | notethat ("dsp32shift: dregs = ASHIFT dregs BY " | |
1963 | "dregs_lo (V, .)\n"); | |
1964 | } | |
1965 | else | |
1966 | { | |
1967 | ||
1968 | op = 2; | |
1969 | notethat ("dsp32shift: dregs = ASHIFT dregs BY dregs_lo (.)\n"); | |
1970 | } | |
1971 | $$ = DSP32SHIFT (op, &$1, &$6, &$4, $7.s0, 0); | |
1972 | } | |
1973 | else | |
1974 | return yyerror ("Dregs expected"); | |
1975 | } | |
1976 | ||
1977 | /* EXPADJ. */ | |
1978 | | HALF_REG ASSIGN EXPADJ LPAREN REG COMMA HALF_REG RPAREN vmod | |
1979 | { | |
1980 | if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7)) | |
1981 | { | |
1982 | notethat ("dsp32shift: dregs_lo = EXPADJ (dregs , dregs_lo )\n"); | |
1983 | $$ = DSP32SHIFT (7, &$1, &$7, &$5, $9.r0, 0); | |
1984 | } | |
1985 | else | |
1986 | return yyerror ("Bad shift value or register"); | |
1987 | } | |
1988 | ||
1989 | ||
1990 | | HALF_REG ASSIGN EXPADJ LPAREN HALF_REG COMMA HALF_REG RPAREN | |
1991 | { | |
1992 | if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7)) | |
1993 | { | |
1994 | notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_lo, dregs_lo)\n"); | |
1995 | $$ = DSP32SHIFT (7, &$1, &$7, &$5, 2, 0); | |
1996 | } | |
1997 | else if (IS_DREG_L ($1) && IS_DREG_H ($5) && IS_DREG_L ($7)) | |
1998 | { | |
1999 | notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_hi, dregs_lo)\n"); | |
2000 | $$ = DSP32SHIFT (7, &$1, &$7, &$5, 3, 0); | |
2001 | } | |
2002 | else | |
2003 | return yyerror ("Bad shift value or register"); | |
2004 | } | |
2005 | ||
2006 | /* DEPOSIT. */ | |
2007 | ||
2008 | | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN | |
2009 | { | |
2010 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
2011 | { | |
2012 | notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs )\n"); | |
2013 | $$ = DSP32SHIFT (10, &$1, &$7, &$5, 2, 0); | |
2014 | } | |
2015 | else | |
2016 | return yyerror ("Register mismatch"); | |
2017 | } | |
2018 | ||
2019 | | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN LPAREN X RPAREN | |
2020 | { | |
2021 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
2022 | { | |
2023 | notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs ) (X)\n"); | |
2024 | $$ = DSP32SHIFT (10, &$1, &$7, &$5, 3, 0); | |
2025 | } | |
2026 | else | |
2027 | return yyerror ("Register mismatch"); | |
2028 | } | |
2029 | ||
2030 | | REG ASSIGN EXTRACT LPAREN REG COMMA HALF_REG RPAREN xpmod | |
2031 | { | |
2032 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG_L ($7)) | |
2033 | { | |
2034 | notethat ("dsp32shift: dregs = EXTRACT (dregs, dregs_lo ) (.)\n"); | |
2035 | $$ = DSP32SHIFT (10, &$1, &$7, &$5, $9.r0, 0); | |
2036 | } | |
2037 | else | |
2038 | return yyerror ("Register mismatch"); | |
2039 | } | |
2040 | ||
2041 | | a_assign REG_A _GREATER_GREATER_GREATER expr | |
2042 | { | |
2043 | if (!REG_SAME ($1, $2)) | |
2044 | return yyerror ("Aregs must be same"); | |
2045 | ||
2046 | if (IS_UIMM ($4, 5)) | |
2047 | { | |
2048 | notethat ("dsp32shiftimm: Ax = Ax >>> uimm5\n"); | |
2049 | $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 0, IS_A1 ($1)); | |
2050 | } | |
2051 | else | |
2052 | return yyerror ("Shift value range error"); | |
2053 | } | |
2054 | | a_assign LSHIFT REG_A BY HALF_REG | |
2055 | { | |
2056 | if (REG_SAME ($1, $3) && IS_DREG_L ($5)) | |
2057 | { | |
2058 | notethat ("dsp32shift: Ax = LSHIFT Ax BY dregs_lo\n"); | |
2059 | $$ = DSP32SHIFT (3, 0, &$5, 0, 1, IS_A1 ($1)); | |
2060 | } | |
2061 | else | |
2062 | return yyerror ("Register mismatch"); | |
2063 | } | |
2064 | ||
2065 | | HALF_REG ASSIGN LSHIFT HALF_REG BY HALF_REG | |
2066 | { | |
2067 | if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6)) | |
2068 | { | |
2069 | notethat ("dsp32shift: dregs_lo = LSHIFT dregs_hi BY dregs_lo\n"); | |
2070 | $$ = DSP32SHIFT (0, &$1, &$6, &$4, 2, HL2 ($1, $4)); | |
2071 | } | |
2072 | else | |
2073 | return yyerror ("Register mismatch"); | |
2074 | } | |
2075 | ||
2076 | | REG ASSIGN LSHIFT REG BY HALF_REG vmod | |
2077 | { | |
2078 | if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6)) | |
2079 | { | |
2080 | notethat ("dsp32shift: dregs = LSHIFT dregs BY dregs_lo (V )\n"); | |
2081 | $$ = DSP32SHIFT ($7.r0 ? 1: 2, &$1, &$6, &$4, 2, 0); | |
2082 | } | |
2083 | else | |
2084 | return yyerror ("Register mismatch"); | |
2085 | } | |
2086 | ||
2087 | | REG ASSIGN SHIFT REG BY HALF_REG | |
2088 | { | |
2089 | if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6)) | |
2090 | { | |
2091 | notethat ("dsp32shift: dregs = SHIFT dregs BY dregs_lo\n"); | |
2092 | $$ = DSP32SHIFT (2, &$1, &$6, &$4, 2, 0); | |
2093 | } | |
2094 | else | |
2095 | return yyerror ("Register mismatch"); | |
2096 | } | |
2097 | ||
2098 | | a_assign REG_A GREATER_GREATER expr | |
2099 | { | |
2100 | if (REG_SAME ($1, $2) && IS_IMM ($4, 6) >= 0) | |
2101 | { | |
2102 | notethat ("dsp32shiftimm: Ax = Ax >> imm6\n"); | |
2103 | $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 1, IS_A1 ($1)); | |
2104 | } | |
2105 | else | |
2106 | return yyerror ("Accu register expected"); | |
2107 | } | |
2108 | ||
2109 | | REG ASSIGN REG GREATER_GREATER expr vmod | |
2110 | { | |
2111 | if ($6.r0 == 1) | |
2112 | { | |
2113 | if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5)) | |
2114 | { | |
2115 | notethat ("dsp32shiftimm: dregs = dregs >> uimm5 (V)\n"); | |
2116 | $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, 2, 0); | |
2117 | } | |
2118 | else | |
2119 | return yyerror ("Register mismatch"); | |
2120 | } | |
2121 | else | |
2122 | { | |
2123 | if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5)) | |
2124 | { | |
2125 | notethat ("dsp32shiftimm: dregs = dregs >> uimm5\n"); | |
2126 | $$ = DSP32SHIFTIMM (2, &$1, -imm6 ($5), &$3, 2, 0); | |
2127 | } | |
2128 | else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 2) | |
2129 | { | |
2130 | notethat ("PTR2op: pregs = pregs >> 2\n"); | |
2131 | $$ = PTR2OP (&$1, &$3, 3); | |
2132 | } | |
2133 | else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 1) | |
2134 | { | |
2135 | notethat ("PTR2op: pregs = pregs >> 1\n"); | |
2136 | $$ = PTR2OP (&$1, &$3, 4); | |
2137 | } | |
2138 | else | |
2139 | return yyerror ("Register mismatch"); | |
2140 | } | |
2141 | } | |
2142 | | HALF_REG ASSIGN HALF_REG GREATER_GREATER expr | |
2143 | { | |
2144 | if (IS_UIMM ($5, 5)) | |
2145 | { | |
2146 | notethat ("dsp32shiftimm: dregs_half = dregs_half >> uimm5\n"); | |
2147 | $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3, 2, HL2 ($1, $3)); | |
2148 | } | |
2149 | else | |
2150 | return yyerror ("Register mismatch"); | |
2151 | } | |
2152 | | HALF_REG ASSIGN HALF_REG _GREATER_GREATER_GREATER expr smod | |
2153 | { | |
2154 | if (IS_UIMM ($5, 5)) | |
2155 | { | |
2156 | notethat ("dsp32shiftimm: dregs_half = dregs_half >>> uimm5\n"); | |
2157 | $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3, | |
2158 | $6.s0, HL2 ($1, $3)); | |
2159 | } | |
2160 | else | |
2161 | return yyerror ("Register or modifier mismatch"); | |
2162 | } | |
2163 | ||
2164 | ||
2165 | | REG ASSIGN REG _GREATER_GREATER_GREATER expr vsmod | |
2166 | { | |
2167 | if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5)) | |
2168 | { | |
2169 | if ($6.r0) | |
2170 | { | |
2171 | /* Vector? */ | |
2172 | notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (V, .)\n"); | |
2173 | $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, $6.s0, 0); | |
2174 | } | |
2175 | else | |
2176 | { | |
2177 | notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (.)\n"); | |
2178 | $$ = DSP32SHIFTIMM (2, &$1, -uimm5 ($5), &$3, $6.s0, 0); | |
2179 | } | |
2180 | } | |
2181 | else | |
2182 | return yyerror ("Register mismatch"); | |
2183 | } | |
2184 | ||
2185 | | HALF_REG ASSIGN ONES REG | |
2186 | { | |
2187 | if (IS_DREG_L ($1) && IS_DREG ($4)) | |
2188 | { | |
2189 | notethat ("dsp32shift: dregs_lo = ONES dregs\n"); | |
2190 | $$ = DSP32SHIFT (6, &$1, 0, &$4, 3, 0); | |
2191 | } | |
2192 | else | |
2193 | return yyerror ("Register mismatch"); | |
2194 | } | |
2195 | ||
2196 | | REG ASSIGN PACK LPAREN HALF_REG COMMA HALF_REG RPAREN | |
2197 | { | |
2198 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
2199 | { | |
2200 | notethat ("dsp32shift: dregs = PACK (dregs_hi , dregs_hi )\n"); | |
2201 | $$ = DSP32SHIFT (4, &$1, &$7, &$5, HL2 ($5, $7), 0); | |
2202 | } | |
2203 | else | |
2204 | return yyerror ("Register mismatch"); | |
2205 | } | |
2206 | ||
2207 | | HALF_REG ASSIGN CCREG ASSIGN BXORSHIFT LPAREN REG_A COMMA REG RPAREN | |
2208 | { | |
2209 | if (IS_DREG ($1) | |
2210 | && $7.regno == REG_A0 | |
2211 | && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7)) | |
2212 | { | |
2213 | notethat ("dsp32shift: dregs_lo = CC = BXORSHIFT (A0 , dregs )\n"); | |
2214 | $$ = DSP32SHIFT (11, &$1, &$9, 0, 0, 0); | |
2215 | } | |
2216 | else | |
2217 | return yyerror ("Register mismatch"); | |
2218 | } | |
2219 | ||
2220 | | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG RPAREN | |
2221 | { | |
2222 | if (IS_DREG ($1) | |
2223 | && $7.regno == REG_A0 | |
2224 | && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7)) | |
2225 | { | |
2226 | notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , dregs)\n"); | |
2227 | $$ = DSP32SHIFT (11, &$1, &$9, 0, 1, 0); | |
2228 | } | |
2229 | else | |
2230 | return yyerror ("Register mismatch"); | |
2231 | } | |
2232 | ||
2233 | | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN | |
2234 | { | |
2235 | if (IS_DREG ($1) && !IS_H ($1) && !REG_SAME ($7, $9)) | |
2236 | { | |
2237 | notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , A1 , CC)\n"); | |
2238 | $$ = DSP32SHIFT (12, &$1, 0, 0, 1, 0); | |
2239 | } | |
2240 | else | |
2241 | return yyerror ("Register mismatch"); | |
2242 | } | |
2243 | ||
2244 | | a_assign ROT REG_A BY HALF_REG | |
2245 | { | |
2246 | if (REG_SAME ($1, $3) && IS_DREG_L ($5)) | |
2247 | { | |
2248 | notethat ("dsp32shift: Ax = ROT Ax BY dregs_lo\n"); | |
2249 | $$ = DSP32SHIFT (3, 0, &$5, 0, 2, IS_A1 ($1)); | |
2250 | } | |
2251 | else | |
2252 | return yyerror ("Register mismatch"); | |
2253 | } | |
2254 | ||
2255 | | REG ASSIGN ROT REG BY HALF_REG | |
2256 | { | |
2257 | if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6)) | |
2258 | { | |
2259 | notethat ("dsp32shift: dregs = ROT dregs BY dregs_lo\n"); | |
2260 | $$ = DSP32SHIFT (2, &$1, &$6, &$4, 3, 0); | |
2261 | } | |
2262 | else | |
2263 | return yyerror ("Register mismatch"); | |
2264 | } | |
2265 | ||
2266 | | a_assign ROT REG_A BY expr | |
2267 | { | |
2268 | if (IS_IMM ($5, 6)) | |
2269 | { | |
2270 | notethat ("dsp32shiftimm: An = ROT An BY imm6\n"); | |
2271 | $$ = DSP32SHIFTIMM (3, 0, imm6 ($5), 0, 2, IS_A1 ($1)); | |
2272 | } | |
2273 | else | |
2274 | return yyerror ("Register mismatch"); | |
2275 | } | |
2276 | ||
2277 | | REG ASSIGN ROT REG BY expr | |
2278 | { | |
2279 | if (IS_DREG ($1) && IS_DREG ($4) && IS_IMM ($6, 6)) | |
2280 | { | |
2281 | $$ = DSP32SHIFTIMM (2, &$1, imm6 ($6), &$4, 3, IS_A1 ($1)); | |
2282 | } | |
2283 | else | |
2284 | return yyerror ("Register mismatch"); | |
2285 | } | |
2286 | ||
2287 | | HALF_REG ASSIGN SIGNBITS REG_A | |
2288 | { | |
2289 | if (IS_DREG_L ($1)) | |
2290 | { | |
2291 | notethat ("dsp32shift: dregs_lo = SIGNBITS An\n"); | |
2292 | $$ = DSP32SHIFT (6, &$1, 0, 0, IS_A1 ($4), 0); | |
2293 | } | |
2294 | else | |
2295 | return yyerror ("Register mismatch"); | |
2296 | } | |
2297 | ||
2298 | | HALF_REG ASSIGN SIGNBITS REG | |
2299 | { | |
2300 | if (IS_DREG_L ($1) && IS_DREG ($4)) | |
2301 | { | |
2302 | notethat ("dsp32shift: dregs_lo = SIGNBITS dregs\n"); | |
2303 | $$ = DSP32SHIFT (5, &$1, 0, &$4, 0, 0); | |
2304 | } | |
2305 | else | |
2306 | return yyerror ("Register mismatch"); | |
2307 | } | |
2308 | ||
2309 | | HALF_REG ASSIGN SIGNBITS HALF_REG | |
2310 | { | |
2311 | if (IS_DREG_L ($1)) | |
2312 | { | |
2313 | notethat ("dsp32shift: dregs_lo = SIGNBITS dregs_lo\n"); | |
2314 | $$ = DSP32SHIFT (5, &$1, 0, &$4, 1 + IS_H ($4), 0); | |
2315 | } | |
2316 | else | |
2317 | return yyerror ("Register mismatch"); | |
2318 | } | |
2319 | ||
2320 | /* The ASR bit is just inverted here. */ | |
2321 | | HALF_REG ASSIGN VIT_MAX LPAREN REG RPAREN asr_asl | |
2322 | { | |
2323 | if (IS_DREG_L ($1) && IS_DREG ($5)) | |
2324 | { | |
2325 | notethat ("dsp32shift: dregs_lo = VIT_MAX (dregs) (..)\n"); | |
2326 | $$ = DSP32SHIFT (9, &$1, 0, &$5, ($7.r0 ? 0 : 1), 0); | |
2327 | } | |
2328 | else | |
2329 | return yyerror ("Register mismatch"); | |
2330 | } | |
2331 | ||
2332 | | REG ASSIGN VIT_MAX LPAREN REG COMMA REG RPAREN asr_asl | |
2333 | { | |
2334 | if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7)) | |
2335 | { | |
2336 | notethat ("dsp32shift: dregs = VIT_MAX (dregs, dregs) (ASR)\n"); | |
2337 | $$ = DSP32SHIFT (9, &$1, &$7, &$5, 2 | ($9.r0 ? 0 : 1), 0); | |
2338 | } | |
2339 | else | |
2340 | return yyerror ("Register mismatch"); | |
2341 | } | |
2342 | ||
2343 | | BITMUX LPAREN REG COMMA REG COMMA REG_A RPAREN asr_asl | |
2344 | { | |
2345 | if (IS_DREG ($3) && IS_DREG ($5) && !IS_A1 ($7)) | |
2346 | { | |
2347 | notethat ("dsp32shift: BITMUX (dregs , dregs , A0) (ASR)\n"); | |
2348 | $$ = DSP32SHIFT (8, 0, &$3, &$5, $9.r0, 0); | |
2349 | } | |
2350 | else | |
2351 | return yyerror ("Register mismatch"); | |
2352 | } | |
2353 | ||
2354 | | a_assign BXORSHIFT LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN | |
2355 | { | |
2356 | if (!IS_A1 ($1) && !IS_A1 ($4) && IS_A1 ($6)) | |
2357 | { | |
2358 | notethat ("dsp32shift: A0 = BXORSHIFT (A0 , A1 , CC )\n"); | |
2359 | $$ = DSP32SHIFT (12, 0, 0, 0, 0, 0); | |
2360 | } | |
2361 | else | |
2362 | return yyerror ("Dregs expected"); | |
2363 | } | |
2364 | ||
2365 | ||
2366 | /* LOGI2op: BITCLR (dregs, uimm5). */ | |
2367 | | BITCLR LPAREN REG COMMA expr RPAREN | |
2368 | { | |
2369 | if (IS_DREG ($3) && IS_UIMM ($5, 5)) | |
2370 | { | |
2371 | notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n"); | |
2372 | $$ = LOGI2OP ($3, uimm5 ($5), 4); | |
2373 | } | |
2374 | else | |
2375 | return yyerror ("Register mismatch"); | |
2376 | } | |
2377 | ||
2378 | /* LOGI2op: BITSET (dregs, uimm5). */ | |
2379 | | BITSET LPAREN REG COMMA expr RPAREN | |
2380 | { | |
2381 | if (IS_DREG ($3) && IS_UIMM ($5, 5)) | |
2382 | { | |
2383 | notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n"); | |
2384 | $$ = LOGI2OP ($3, uimm5 ($5), 2); | |
2385 | } | |
2386 | else | |
2387 | return yyerror ("Register mismatch"); | |
2388 | } | |
2389 | ||
2390 | /* LOGI2op: BITTGL (dregs, uimm5). */ | |
2391 | | BITTGL LPAREN REG COMMA expr RPAREN | |
2392 | { | |
2393 | if (IS_DREG ($3) && IS_UIMM ($5, 5)) | |
2394 | { | |
2395 | notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n"); | |
2396 | $$ = LOGI2OP ($3, uimm5 ($5), 3); | |
2397 | } | |
2398 | else | |
2399 | return yyerror ("Register mismatch"); | |
2400 | } | |
2401 | ||
2402 | | CCREG _ASSIGN_BANG BITTST LPAREN REG COMMA expr RPAREN | |
2403 | { | |
2404 | if (IS_DREG ($5) && IS_UIMM ($7, 5)) | |
2405 | { | |
2406 | notethat ("LOGI2op: CC =! BITTST (dregs , uimm5 )\n"); | |
2407 | $$ = LOGI2OP ($5, uimm5 ($7), 0); | |
2408 | } | |
2409 | else | |
2410 | return yyerror ("Register mismatch or value error"); | |
2411 | } | |
2412 | ||
2413 | | CCREG ASSIGN BITTST LPAREN REG COMMA expr RPAREN | |
2414 | { | |
2415 | if (IS_DREG ($5) && IS_UIMM ($7, 5)) | |
2416 | { | |
2417 | notethat ("LOGI2op: CC = BITTST (dregs , uimm5 )\n"); | |
2418 | $$ = LOGI2OP ($5, uimm5 ($7), 1); | |
2419 | } | |
2420 | else | |
2421 | return yyerror ("Register mismatch or value error"); | |
2422 | } | |
2423 | ||
2424 | | IF BANG CCREG REG ASSIGN REG | |
2425 | { | |
2426 | if ((IS_DREG ($4) || IS_PREG ($4)) | |
2427 | && (IS_DREG ($6) || IS_PREG ($6))) | |
2428 | { | |
2429 | notethat ("ccMV: IF ! CC gregs = gregs\n"); | |
2430 | $$ = CCMV (&$6, &$4, 0); | |
2431 | } | |
2432 | else | |
2433 | return yyerror ("Register mismatch"); | |
2434 | } | |
2435 | ||
2436 | | IF CCREG REG ASSIGN REG | |
2437 | { | |
2438 | if ((IS_DREG ($5) || IS_PREG ($5)) | |
2439 | && (IS_DREG ($3) || IS_PREG ($3))) | |
2440 | { | |
2441 | notethat ("ccMV: IF CC gregs = gregs\n"); | |
2442 | $$ = CCMV (&$5, &$3, 1); | |
2443 | } | |
2444 | else | |
2445 | return yyerror ("Register mismatch"); | |
2446 | } | |
2447 | ||
2448 | | IF BANG CCREG JUMP expr | |
2449 | { | |
2450 | if (IS_PCREL10 ($5)) | |
2451 | { | |
2452 | notethat ("BRCC: IF !CC JUMP pcrel11m2\n"); | |
2453 | $$ = BRCC (0, 0, $5); | |
2454 | } | |
2455 | else | |
2456 | return yyerror ("Bad jump offset"); | |
2457 | } | |
2458 | ||
2459 | | IF BANG CCREG JUMP expr LPAREN BP RPAREN | |
2460 | { | |
2461 | if (IS_PCREL10 ($5)) | |
2462 | { | |
2463 | notethat ("BRCC: IF !CC JUMP pcrel11m2\n"); | |
2464 | $$ = BRCC (0, 1, $5); | |
2465 | } | |
2466 | else | |
2467 | return yyerror ("Bad jump offset"); | |
2468 | } | |
2469 | ||
2470 | | IF CCREG JUMP expr | |
2471 | { | |
2472 | if (IS_PCREL10 ($4)) | |
2473 | { | |
2474 | notethat ("BRCC: IF CC JUMP pcrel11m2\n"); | |
2475 | $$ = BRCC (1, 0, $4); | |
2476 | } | |
2477 | else | |
2478 | return yyerror ("Bad jump offset"); | |
2479 | } | |
2480 | ||
2481 | | IF CCREG JUMP expr LPAREN BP RPAREN | |
2482 | { | |
2483 | if (IS_PCREL10 ($4)) | |
2484 | { | |
2485 | notethat ("BRCC: IF !CC JUMP pcrel11m2\n"); | |
2486 | $$ = BRCC (1, 1, $4); | |
2487 | } | |
2488 | else | |
2489 | return yyerror ("Bad jump offset"); | |
2490 | } | |
2491 | | NOP | |
2492 | { | |
2493 | notethat ("ProgCtrl: NOP\n"); | |
2494 | $$ = PROGCTRL (0, 0); | |
2495 | } | |
2496 | ||
2497 | | RTS | |
2498 | { | |
2499 | notethat ("ProgCtrl: RTS\n"); | |
2500 | $$ = PROGCTRL (1, 0); | |
2501 | } | |
2502 | ||
2503 | | RTI | |
2504 | { | |
2505 | notethat ("ProgCtrl: RTI\n"); | |
2506 | $$ = PROGCTRL (1, 1); | |
2507 | } | |
2508 | ||
2509 | | RTX | |
2510 | { | |
2511 | notethat ("ProgCtrl: RTX\n"); | |
2512 | $$ = PROGCTRL (1, 2); | |
2513 | } | |
2514 | ||
2515 | | RTN | |
2516 | { | |
2517 | notethat ("ProgCtrl: RTN\n"); | |
2518 | $$ = PROGCTRL (1, 3); | |
2519 | } | |
2520 | ||
2521 | | RTE | |
2522 | { | |
2523 | notethat ("ProgCtrl: RTE\n"); | |
2524 | $$ = PROGCTRL (1, 4); | |
2525 | } | |
2526 | ||
2527 | | IDLE | |
2528 | { | |
2529 | notethat ("ProgCtrl: IDLE\n"); | |
2530 | $$ = PROGCTRL (2, 0); | |
2531 | } | |
2532 | ||
2533 | | CSYNC | |
2534 | { | |
2535 | notethat ("ProgCtrl: CSYNC\n"); | |
2536 | $$ = PROGCTRL (2, 3); | |
2537 | } | |
2538 | ||
2539 | | SSYNC | |
2540 | { | |
2541 | notethat ("ProgCtrl: SSYNC\n"); | |
2542 | $$ = PROGCTRL (2, 4); | |
2543 | } | |
2544 | ||
2545 | | EMUEXCPT | |
2546 | { | |
2547 | notethat ("ProgCtrl: EMUEXCPT\n"); | |
2548 | $$ = PROGCTRL (2, 5); | |
2549 | } | |
2550 | ||
2551 | | CLI REG | |
2552 | { | |
2553 | if (IS_DREG ($2)) | |
2554 | { | |
2555 | notethat ("ProgCtrl: CLI dregs\n"); | |
2556 | $$ = PROGCTRL (3, $2.regno & CODE_MASK); | |
2557 | } | |
2558 | else | |
2559 | return yyerror ("Dreg expected for CLI"); | |
2560 | } | |
2561 | ||
2562 | | STI REG | |
2563 | { | |
2564 | if (IS_DREG ($2)) | |
2565 | { | |
2566 | notethat ("ProgCtrl: STI dregs\n"); | |
2567 | $$ = PROGCTRL (4, $2.regno & CODE_MASK); | |
2568 | } | |
2569 | else | |
2570 | return yyerror ("Dreg expected for STI"); | |
2571 | } | |
2572 | ||
2573 | | JUMP LPAREN REG RPAREN | |
2574 | { | |
2575 | if (IS_PREG ($3)) | |
2576 | { | |
2577 | notethat ("ProgCtrl: JUMP (pregs )\n"); | |
2578 | $$ = PROGCTRL (5, $3.regno & CODE_MASK); | |
2579 | } | |
2580 | else | |
2581 | return yyerror ("Bad register for indirect jump"); | |
2582 | } | |
2583 | ||
2584 | | CALL LPAREN REG RPAREN | |
2585 | { | |
2586 | if (IS_PREG ($3)) | |
2587 | { | |
2588 | notethat ("ProgCtrl: CALL (pregs )\n"); | |
2589 | $$ = PROGCTRL (6, $3.regno & CODE_MASK); | |
2590 | } | |
2591 | else | |
2592 | return yyerror ("Bad register for indirect call"); | |
2593 | } | |
2594 | ||
2595 | | CALL LPAREN PC PLUS REG RPAREN | |
2596 | { | |
2597 | if (IS_PREG ($5)) | |
2598 | { | |
2599 | notethat ("ProgCtrl: CALL (PC + pregs )\n"); | |
2600 | $$ = PROGCTRL (7, $5.regno & CODE_MASK); | |
2601 | } | |
2602 | else | |
2603 | return yyerror ("Bad register for indirect call"); | |
2604 | } | |
2605 | ||
2606 | | JUMP LPAREN PC PLUS REG RPAREN | |
2607 | { | |
2608 | if (IS_PREG ($5)) | |
2609 | { | |
2610 | notethat ("ProgCtrl: JUMP (PC + pregs )\n"); | |
2611 | $$ = PROGCTRL (8, $5.regno & CODE_MASK); | |
2612 | } | |
2613 | else | |
2614 | return yyerror ("Bad register for indirect jump"); | |
2615 | } | |
2616 | ||
2617 | | RAISE expr | |
2618 | { | |
2619 | if (IS_UIMM ($2, 4)) | |
2620 | { | |
2621 | notethat ("ProgCtrl: RAISE uimm4\n"); | |
2622 | $$ = PROGCTRL (9, uimm4 ($2)); | |
2623 | } | |
2624 | else | |
2625 | return yyerror ("Bad value for RAISE"); | |
2626 | } | |
2627 | ||
2628 | | EXCPT expr | |
2629 | { | |
2630 | notethat ("ProgCtrl: EMUEXCPT\n"); | |
2631 | $$ = PROGCTRL (10, uimm4 ($2)); | |
2632 | } | |
2633 | ||
2634 | | TESTSET LPAREN REG RPAREN | |
2635 | { | |
2636 | if (IS_PREG ($3)) | |
2637 | { | |
2638 | notethat ("ProgCtrl: TESTSET (pregs )\n"); | |
2639 | $$ = PROGCTRL (11, $3.regno & CODE_MASK); | |
2640 | } | |
2641 | else | |
2642 | return yyerror ("Preg expected"); | |
2643 | } | |
2644 | ||
2645 | | JUMP expr | |
2646 | { | |
2647 | if (IS_PCREL12 ($2)) | |
2648 | { | |
2649 | notethat ("UJUMP: JUMP pcrel12\n"); | |
2650 | $$ = UJUMP ($2); | |
2651 | } | |
2652 | else | |
2653 | return yyerror ("Bad value for relative jump"); | |
2654 | } | |
2655 | ||
2656 | | JUMP_DOT_S expr | |
2657 | { | |
2658 | if (IS_PCREL12 ($2)) | |
2659 | { | |
2660 | notethat ("UJUMP: JUMP_DOT_S pcrel12\n"); | |
2661 | $$ = UJUMP($2); | |
2662 | } | |
2663 | else | |
2664 | return yyerror ("Bad value for relative jump"); | |
2665 | } | |
2666 | ||
2667 | | JUMP_DOT_L expr | |
2668 | { | |
2669 | if (IS_PCREL24 ($2)) | |
2670 | { | |
2671 | notethat ("CALLa: jump.l pcrel24\n"); | |
2672 | $$ = CALLA ($2, 0); | |
2673 | } | |
2674 | else | |
2675 | return yyerror ("Bad value for long jump"); | |
2676 | } | |
2677 | ||
2678 | | JUMP_DOT_L pltpc | |
2679 | { | |
2680 | if (IS_PCREL24 ($2)) | |
2681 | { | |
2682 | notethat ("CALLa: jump.l pcrel24\n"); | |
2683 | $$ = CALLA ($2, 2); | |
2684 | } | |
2685 | else | |
2686 | return yyerror ("Bad value for long jump"); | |
2687 | } | |
2688 | ||
2689 | | CALL expr | |
2690 | { | |
2691 | if (IS_PCREL24 ($2)) | |
2692 | { | |
2693 | notethat ("CALLa: CALL pcrel25m2\n"); | |
2694 | $$ = CALLA ($2, 1); | |
2695 | } | |
2696 | else | |
2697 | return yyerror ("Bad call address"); | |
2698 | } | |
2699 | | CALL pltpc | |
2700 | { | |
2701 | if (IS_PCREL24 ($2)) | |
2702 | { | |
2703 | notethat ("CALLa: CALL pcrel25m2\n"); | |
2704 | $$ = CALLA ($2, 2); | |
2705 | } | |
2706 | else | |
2707 | return yyerror ("Bad call address"); | |
2708 | } | |
2709 | ||
2710 | /* ALU2ops. */ | |
2711 | /* ALU2op: DIVQ (dregs, dregs). */ | |
2712 | | DIVQ LPAREN REG COMMA REG RPAREN | |
2713 | { | |
2714 | if (IS_DREG ($3) && IS_DREG ($5)) | |
2715 | $$ = ALU2OP (&$3, &$5, 8); | |
2716 | else | |
2717 | return yyerror ("Bad registers for DIVQ"); | |
2718 | } | |
2719 | ||
2720 | | DIVS LPAREN REG COMMA REG RPAREN | |
2721 | { | |
2722 | if (IS_DREG ($3) && IS_DREG ($5)) | |
2723 | $$ = ALU2OP (&$3, &$5, 9); | |
2724 | else | |
2725 | return yyerror ("Bad registers for DIVS"); | |
2726 | } | |
2727 | ||
2728 | | REG ASSIGN MINUS REG vsmod | |
2729 | { | |
2730 | if (IS_DREG ($1) && IS_DREG ($4)) | |
2731 | { | |
2732 | if ($5.r0 == 0 && $5.s0 == 0 && $5.aop == 0) | |
2733 | { | |
2734 | notethat ("ALU2op: dregs = - dregs\n"); | |
2735 | $$ = ALU2OP (&$1, &$4, 14); | |
2736 | } | |
2737 | else if ($5.r0 == 1 && $5.s0 == 0 && $5.aop == 3) | |
2738 | { | |
2739 | notethat ("dsp32alu: dregs = - dregs (.)\n"); | |
2740 | $$ = DSP32ALU (15, 0, 0, &$1, &$4, 0, $5.s0, 0, 3); | |
2741 | } | |
2742 | else | |
2743 | { | |
2744 | notethat ("dsp32alu: dregs = - dregs (.)\n"); | |
2745 | $$ = DSP32ALU (7, 0, 0, &$1, &$4, 0, $5.s0, 0, 3); | |
2746 | } | |
2747 | } | |
2748 | else | |
2749 | return yyerror ("Dregs expected"); | |
2750 | } | |
2751 | ||
2752 | | REG ASSIGN TILDA REG | |
2753 | { | |
2754 | if (IS_DREG ($1) && IS_DREG ($4)) | |
2755 | { | |
2756 | notethat ("ALU2op: dregs = ~dregs\n"); | |
2757 | $$ = ALU2OP (&$1, &$4, 15); | |
2758 | } | |
2759 | else | |
2760 | return yyerror ("Dregs expected"); | |
2761 | } | |
2762 | ||
2763 | | REG _GREATER_GREATER_ASSIGN REG | |
2764 | { | |
2765 | if (IS_DREG ($1) && IS_DREG ($3)) | |
2766 | { | |
2767 | notethat ("ALU2op: dregs >>= dregs\n"); | |
2768 | $$ = ALU2OP (&$1, &$3, 1); | |
2769 | } | |
2770 | else | |
2771 | return yyerror ("Dregs expected"); | |
2772 | } | |
2773 | ||
2774 | | REG _GREATER_GREATER_ASSIGN expr | |
2775 | { | |
2776 | if (IS_DREG ($1) && IS_UIMM ($3, 5)) | |
2777 | { | |
2778 | notethat ("LOGI2op: dregs >>= uimm5\n"); | |
2779 | $$ = LOGI2OP ($1, uimm5 ($3), 6); | |
2780 | } | |
2781 | else | |
2782 | return yyerror ("Dregs expected or value error"); | |
2783 | } | |
2784 | ||
2785 | | REG _GREATER_GREATER_GREATER_THAN_ASSIGN REG | |
2786 | { | |
2787 | if (IS_DREG ($1) && IS_DREG ($3)) | |
2788 | { | |
2789 | notethat ("ALU2op: dregs >>>= dregs\n"); | |
2790 | $$ = ALU2OP (&$1, &$3, 0); | |
2791 | } | |
2792 | else | |
2793 | return yyerror ("Dregs expected"); | |
2794 | } | |
2795 | ||
2796 | | REG _LESS_LESS_ASSIGN REG | |
2797 | { | |
2798 | if (IS_DREG ($1) && IS_DREG ($3)) | |
2799 | { | |
2800 | notethat ("ALU2op: dregs <<= dregs\n"); | |
2801 | $$ = ALU2OP (&$1, &$3, 2); | |
2802 | } | |
2803 | else | |
2804 | return yyerror ("Dregs expected"); | |
2805 | } | |
2806 | ||
2807 | | REG _LESS_LESS_ASSIGN expr | |
2808 | { | |
2809 | if (IS_DREG ($1) && IS_UIMM ($3, 5)) | |
2810 | { | |
2811 | notethat ("LOGI2op: dregs <<= uimm5\n"); | |
2812 | $$ = LOGI2OP ($1, uimm5 ($3), 7); | |
2813 | } | |
2814 | else | |
2815 | return yyerror ("Dregs expected or const value error"); | |
2816 | } | |
2817 | ||
2818 | ||
2819 | | REG _GREATER_GREATER_GREATER_THAN_ASSIGN expr | |
2820 | { | |
2821 | if (IS_DREG ($1) && IS_UIMM ($3, 5)) | |
2822 | { | |
2823 | notethat ("LOGI2op: dregs >>>= uimm5\n"); | |
2824 | $$ = LOGI2OP ($1, uimm5 ($3), 5); | |
2825 | } | |
2826 | else | |
2827 | return yyerror ("Dregs expected"); | |
2828 | } | |
2829 | ||
2830 | /* Cache Control. */ | |
2831 | ||
2832 | | FLUSH LBRACK REG RBRACK | |
2833 | { | |
2834 | notethat ("CaCTRL: FLUSH [ pregs ]\n"); | |
2835 | if (IS_PREG ($3)) | |
2836 | $$ = CACTRL (&$3, 0, 2); | |
2837 | else | |
2838 | return yyerror ("Bad register(s) for FLUSH"); | |
2839 | } | |
2840 | ||
2841 | | FLUSH reg_with_postinc | |
2842 | { | |
2843 | if (IS_PREG ($2)) | |
2844 | { | |
2845 | notethat ("CaCTRL: FLUSH [ pregs ++ ]\n"); | |
2846 | $$ = CACTRL (&$2, 1, 2); | |
2847 | } | |
2848 | else | |
2849 | return yyerror ("Bad register(s) for FLUSH"); | |
2850 | } | |
2851 | ||
2852 | | FLUSHINV LBRACK REG RBRACK | |
2853 | { | |
2854 | if (IS_PREG ($3)) | |
2855 | { | |
2856 | notethat ("CaCTRL: FLUSHINV [ pregs ]\n"); | |
2857 | $$ = CACTRL (&$3, 0, 1); | |
2858 | } | |
2859 | else | |
2860 | return yyerror ("Bad register(s) for FLUSH"); | |
2861 | } | |
2862 | ||
2863 | | FLUSHINV reg_with_postinc | |
2864 | { | |
2865 | if (IS_PREG ($2)) | |
2866 | { | |
2867 | notethat ("CaCTRL: FLUSHINV [ pregs ++ ]\n"); | |
2868 | $$ = CACTRL (&$2, 1, 1); | |
2869 | } | |
2870 | else | |
2871 | return yyerror ("Bad register(s) for FLUSH"); | |
2872 | } | |
2873 | ||
2874 | /* CaCTRL: IFLUSH [pregs]. */ | |
2875 | | IFLUSH LBRACK REG RBRACK | |
2876 | { | |
2877 | if (IS_PREG ($3)) | |
2878 | { | |
2879 | notethat ("CaCTRL: IFLUSH [ pregs ]\n"); | |
2880 | $$ = CACTRL (&$3, 0, 3); | |
2881 | } | |
2882 | else | |
2883 | return yyerror ("Bad register(s) for FLUSH"); | |
2884 | } | |
2885 | ||
2886 | | IFLUSH reg_with_postinc | |
2887 | { | |
2888 | if (IS_PREG ($2)) | |
2889 | { | |
2890 | notethat ("CaCTRL: IFLUSH [ pregs ++ ]\n"); | |
2891 | $$ = CACTRL (&$2, 1, 3); | |
2892 | } | |
2893 | else | |
2894 | return yyerror ("Bad register(s) for FLUSH"); | |
2895 | } | |
2896 | ||
2897 | | PREFETCH LBRACK REG RBRACK | |
2898 | { | |
2899 | if (IS_PREG ($3)) | |
2900 | { | |
2901 | notethat ("CaCTRL: PREFETCH [ pregs ]\n"); | |
2902 | $$ = CACTRL (&$3, 0, 0); | |
2903 | } | |
2904 | else | |
2905 | return yyerror ("Bad register(s) for PREFETCH"); | |
2906 | } | |
2907 | ||
2908 | | PREFETCH reg_with_postinc | |
2909 | { | |
2910 | if (IS_PREG ($2)) | |
2911 | { | |
2912 | notethat ("CaCTRL: PREFETCH [ pregs ++ ]\n"); | |
2913 | $$ = CACTRL (&$2, 1, 0); | |
2914 | } | |
2915 | else | |
2916 | return yyerror ("Bad register(s) for PREFETCH"); | |
2917 | } | |
2918 | ||
2919 | /* LOAD/STORE. */ | |
2920 | /* LDST: B [ pregs <post_op> ] = dregs. */ | |
2921 | ||
2922 | | B LBRACK REG post_op RBRACK ASSIGN REG | |
2923 | { | |
2924 | if (IS_PREG ($3) && IS_DREG ($7)) | |
2925 | { | |
2926 | notethat ("LDST: B [ pregs <post_op> ] = dregs\n"); | |
2927 | $$ = LDST (&$3, &$7, $4.x0, 2, 0, 1); | |
2928 | } | |
2929 | else | |
2930 | return yyerror ("Register mismatch"); | |
2931 | } | |
2932 | ||
2933 | /* LDSTidxI: B [ pregs + imm16 ] = dregs. */ | |
2934 | | B LBRACK REG plus_minus expr RBRACK ASSIGN REG | |
2935 | { | |
2936 | if (IS_PREG ($3) && IS_RANGE(16, $5, $4.r0, 1) && IS_DREG ($8)) | |
2937 | { | |
2938 | notethat ("LDST: B [ pregs + imm16 ] = dregs\n"); | |
2939 | if ($4.r0) | |
2940 | neg_value ($5); | |
2941 | $$ = LDSTIDXI (&$3, &$8, 1, 2, 0, $5); | |
2942 | } | |
2943 | else | |
2944 | return yyerror ("Register mismatch or const size wrong"); | |
2945 | } | |
2946 | ||
2947 | ||
2948 | /* LDSTii: W [ pregs + uimm4s2 ] = dregs. */ | |
2949 | | W LBRACK REG plus_minus expr RBRACK ASSIGN REG | |
2950 | { | |
2951 | if (IS_PREG ($3) && IS_URANGE (4, $5, $4.r0, 2) && IS_DREG ($8)) | |
2952 | { | |
2953 | notethat ("LDSTii: W [ pregs +- uimm5m2 ] = dregs\n"); | |
2954 | $$ = LDSTII (&$3, &$8, $5, 1, 1); | |
2955 | } | |
2956 | else if (IS_PREG ($3) && IS_RANGE(16, $5, $4.r0, 2) && IS_DREG ($8)) | |
2957 | { | |
2958 | notethat ("LDSTidxI: W [ pregs + imm17m2 ] = dregs\n"); | |
2959 | if ($4.r0) | |
2960 | neg_value ($5); | |
2961 | $$ = LDSTIDXI (&$3, &$8, 1, 1, 0, $5); | |
2962 | } | |
2963 | else | |
2964 | return yyerror ("Bad register(s) or wrong constant size"); | |
2965 | } | |
2966 | ||
2967 | /* LDST: W [ pregs <post_op> ] = dregs. */ | |
2968 | | W LBRACK REG post_op RBRACK ASSIGN REG | |
2969 | { | |
2970 | if (IS_PREG ($3) && IS_DREG ($7)) | |
2971 | { | |
2972 | notethat ("LDST: W [ pregs <post_op> ] = dregs\n"); | |
2973 | $$ = LDST (&$3, &$7, $4.x0, 1, 0, 1); | |
2974 | } | |
2975 | else | |
2976 | return yyerror ("Bad register(s) for STORE"); | |
2977 | } | |
2978 | ||
2979 | | W LBRACK REG post_op RBRACK ASSIGN HALF_REG | |
2980 | { | |
2981 | if (IS_IREG ($3)) | |
2982 | { | |
2983 | notethat ("dspLDST: W [ iregs <post_op> ] = dregs_half\n"); | |
2984 | $$ = DSPLDST (&$3, 1 + IS_H ($7), &$7, $4.x0, 1); | |
2985 | } | |
2986 | else if ($4.x0 == 2 && IS_PREG ($3) && IS_DREG ($7)) | |
2987 | { | |
2988 | notethat ("LDSTpmod: W [ pregs <post_op>] = dregs_half\n"); | |
2989 | $$ = LDSTPMOD (&$3, &$7, &$3, 1 + IS_H ($7), 1); | |
2990 | ||
2991 | } | |
2992 | else | |
2993 | return yyerror ("Bad register(s) for STORE"); | |
2994 | } | |
2995 | ||
2996 | /* LDSTiiFP: [ FP - const ] = dpregs. */ | |
2997 | | LBRACK REG plus_minus expr RBRACK ASSIGN REG | |
2998 | { | |
2999 | Expr_Node *tmp = $4; | |
3000 | int ispreg = IS_PREG ($7); | |
3001 | ||
3002 | if (!IS_PREG ($2)) | |
3003 | return yyerror ("Preg expected for indirect"); | |
3004 | ||
3005 | if (!IS_DREG ($7) && !ispreg) | |
3006 | return yyerror ("Bad source register for STORE"); | |
3007 | ||
3008 | if ($3.r0) | |
3009 | tmp = unary (Expr_Op_Type_NEG, tmp); | |
3010 | ||
3011 | if (in_range_p (tmp, 0, 63, 3)) | |
3012 | { | |
3013 | notethat ("LDSTii: dpregs = [ pregs + uimm6m4 ]\n"); | |
3014 | $$ = LDSTII (&$2, &$7, tmp, 1, ispreg ? 3 : 0); | |
3015 | } | |
3016 | else if ($2.regno == REG_FP && in_range_p (tmp, -128, 0, 3)) | |
3017 | { | |
3018 | notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n"); | |
3019 | tmp = unary (Expr_Op_Type_NEG, tmp); | |
3020 | $$ = LDSTIIFP (tmp, &$7, 1); | |
3021 | } | |
3022 | else if (in_range_p (tmp, -131072, 131071, 3)) | |
3023 | { | |
3024 | notethat ("LDSTidxI: [ pregs + imm18m4 ] = dpregs\n"); | |
3025 | $$ = LDSTIDXI (&$2, &$7, 1, 0, ispreg ? 1: 0, tmp); | |
3026 | } | |
3027 | else | |
3028 | return yyerror ("Displacement out of range for store"); | |
3029 | } | |
3030 | ||
3031 | | REG ASSIGN W LBRACK REG plus_minus expr RBRACK xpmod | |
3032 | { | |
3033 | if (IS_DREG ($1) && IS_PREG ($5) && IS_URANGE (4, $7, $6.r0, 2)) | |
3034 | { | |
3035 | notethat ("LDSTii: dregs = W [ pregs + uimm4s2 ] (.)\n"); | |
3036 | $$ = LDSTII (&$5, &$1, $7, 0, 1 << $9.r0); | |
3037 | } | |
3038 | else if (IS_DREG ($1) && IS_PREG ($5) && IS_RANGE(16, $7, $6.r0, 2)) | |
3039 | { | |
3040 | notethat ("LDSTidxI: dregs = W [ pregs + imm17m2 ] (.)\n"); | |
3041 | if ($6.r0) | |
3042 | neg_value ($7); | |
3043 | $$ = LDSTIDXI (&$5, &$1, 0, 1, $9.r0, $7); | |
3044 | } | |
3045 | else | |
3046 | return yyerror ("Bad register or constant for LOAD"); | |
3047 | } | |
3048 | ||
3049 | | HALF_REG ASSIGN W LBRACK REG post_op RBRACK | |
3050 | { | |
3051 | if (IS_IREG ($5)) | |
3052 | { | |
3053 | notethat ("dspLDST: dregs_half = W [ iregs ]\n"); | |
3054 | $$ = DSPLDST(&$5, 1 + IS_H ($1), &$1, $6.x0, 0); | |
3055 | } | |
3056 | else if ($6.x0 == 2 && IS_DREG ($1) && IS_PREG ($5)) | |
3057 | { | |
3058 | notethat ("LDSTpmod: dregs_half = W [ pregs ]\n"); | |
3059 | $$ = LDSTPMOD (&$5, &$1, &$5, 1 + IS_H ($1), 0); | |
3060 | } | |
3061 | else | |
3062 | return yyerror ("Bad register or post_op for LOAD"); | |
3063 | } | |
3064 | ||
3065 | ||
3066 | | REG ASSIGN W LBRACK REG post_op RBRACK xpmod | |
3067 | { | |
3068 | if (IS_DREG ($1) && IS_PREG ($5)) | |
3069 | { | |
3070 | notethat ("LDST: dregs = W [ pregs <post_op> ] (.)\n"); | |
3071 | $$ = LDST (&$5, &$1, $6.x0, 1, $8.r0, 0); | |
3072 | } | |
3073 | else | |
3074 | return yyerror ("Bad register for LOAD"); | |
3075 | } | |
3076 | ||
3077 | | REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK xpmod | |
3078 | { | |
3079 | if (IS_DREG ($1) && IS_PREG ($5) && IS_PREG ($7)) | |
3080 | { | |
3081 | notethat ("LDSTpmod: dregs = W [ pregs ++ pregs ] (.)\n"); | |
3082 | $$ = LDSTPMOD (&$5, &$1, &$7, 3, $9.r0); | |
3083 | } | |
3084 | else | |
3085 | return yyerror ("Bad register for LOAD"); | |
3086 | } | |
3087 | ||
3088 | | HALF_REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK | |
3089 | { | |
3090 | if (IS_DREG ($1) && IS_PREG ($5) && IS_PREG ($7)) | |
3091 | { | |
3092 | notethat ("LDSTpmod: dregs_half = W [ pregs ++ pregs ]\n"); | |
3093 | $$ = LDSTPMOD (&$5, &$1, &$7, 1 + IS_H ($1), 0); | |
3094 | } | |
3095 | else | |
3096 | return yyerror ("Bad register for LOAD"); | |
3097 | } | |
3098 | ||
3099 | | LBRACK REG post_op RBRACK ASSIGN REG | |
3100 | { | |
3101 | if (IS_IREG ($2) && IS_DREG ($6)) | |
3102 | { | |
3103 | notethat ("dspLDST: [ iregs <post_op> ] = dregs\n"); | |
3104 | $$ = DSPLDST(&$2, 0, &$6, $3.x0, 1); | |
3105 | } | |
3106 | else if (IS_PREG ($2) && IS_DREG ($6)) | |
3107 | { | |
3108 | notethat ("LDST: [ pregs <post_op> ] = dregs\n"); | |
3109 | $$ = LDST (&$2, &$6, $3.x0, 0, 0, 1); | |
3110 | } | |
3111 | else if (IS_PREG ($2) && IS_PREG ($6)) | |
3112 | { | |
3113 | notethat ("LDST: [ pregs <post_op> ] = pregs\n"); | |
3114 | $$ = LDST (&$2, &$6, $3.x0, 0, 1, 1); | |
3115 | } | |
3116 | else | |
3117 | return yyerror ("Bad register for STORE"); | |
3118 | } | |
3119 | ||
3120 | | LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN REG | |
3121 | { | |
3122 | if (! IS_DREG ($7)) | |
3123 | return yyerror ("Expected Dreg for last argument"); | |
3124 | ||
3125 | if (IS_IREG ($2) && IS_MREG ($4)) | |
3126 | { | |
3127 | notethat ("dspLDST: [ iregs ++ mregs ] = dregs\n"); | |
3128 | $$ = DSPLDST(&$2, $4.regno & CODE_MASK, &$7, 3, 1); | |
3129 | } | |
3130 | else if (IS_PREG ($2) && IS_PREG ($4)) | |
3131 | { | |
3132 | notethat ("LDSTpmod: [ pregs ++ pregs ] = dregs\n"); | |
3133 | $$ = LDSTPMOD (&$2, &$7, &$4, 0, 1); | |
3134 | } | |
3135 | else | |
3136 | return yyerror ("Bad register for STORE"); | |
3137 | } | |
3138 | ||
3139 | | W LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN HALF_REG | |
3140 | { | |
3141 | if (!IS_DREG ($8)) | |
3142 | return yyerror ("Expect Dreg as last argument"); | |
3143 | if (IS_PREG ($3) && IS_PREG ($5)) | |
3144 | { | |
3145 | notethat ("LDSTpmod: W [ pregs ++ pregs ] = dregs_half\n"); | |
3146 | $$ = LDSTPMOD (&$3, &$8, &$5, 1 + IS_H ($8), 1); | |
3147 | } | |
3148 | else | |
3149 | return yyerror ("Bad register for STORE"); | |
3150 | } | |
3151 | ||
3152 | | REG ASSIGN B LBRACK REG plus_minus expr RBRACK xpmod | |
3153 | { | |
3154 | if (IS_DREG ($1) && IS_PREG ($5) && IS_RANGE(16, $7, $6.r0, 1)) | |
3155 | { | |
3156 | notethat ("LDSTidxI: dregs = B [ pregs + imm16 ] (%c)\n", | |
3157 | $9.r0 ? 'X' : 'Z'); | |
3158 | if ($6.r0) | |
3159 | neg_value ($7); | |
3160 | $$ = LDSTIDXI (&$5, &$1, 0, 2, $9.r0, $7); | |
3161 | } | |
3162 | else | |
3163 | return yyerror ("Bad register or value for LOAD"); | |
3164 | } | |
3165 | ||
3166 | | REG ASSIGN B LBRACK REG post_op RBRACK xpmod | |
3167 | { | |
3168 | if (IS_DREG ($1) && IS_PREG ($5)) | |
3169 | { | |
3170 | notethat ("LDST: dregs = B [ pregs <post_op> ] (%c)\n", | |
3171 | $8.r0 ? 'X' : 'Z'); | |
3172 | $$ = LDST (&$5, &$1, $6.x0, 2, $8.r0, 0); | |
3173 | } | |
3174 | else | |
3175 | return yyerror ("Bad register for LOAD"); | |
3176 | } | |
3177 | ||
3178 | | REG ASSIGN LBRACK REG _PLUS_PLUS REG RBRACK | |
3179 | { | |
3180 | if (IS_DREG ($1) && IS_IREG ($4) && IS_MREG ($6)) | |
3181 | { | |
3182 | notethat ("dspLDST: dregs = [ iregs ++ mregs ]\n"); | |
3183 | $$ = DSPLDST(&$4, $6.regno & CODE_MASK, &$1, 3, 0); | |
3184 | } | |
3185 | else if (IS_DREG ($1) && IS_PREG ($4) && IS_PREG ($6)) | |
3186 | { | |
3187 | notethat ("LDSTpmod: dregs = [ pregs ++ pregs ]\n"); | |
3188 | $$ = LDSTPMOD (&$4, &$1, &$6, 0, 0); | |
3189 | } | |
3190 | else | |
3191 | return yyerror ("Bad register for LOAD"); | |
3192 | } | |
3193 | ||
3194 | | REG ASSIGN LBRACK REG plus_minus got_or_expr RBRACK | |
3195 | { | |
3196 | Expr_Node *tmp = $6; | |
3197 | int ispreg = IS_PREG ($1); | |
3198 | int isgot = IS_RELOC($6); | |
3199 | ||
3200 | if (!IS_PREG ($4)) | |
3201 | return yyerror ("Preg expected for indirect"); | |
3202 | ||
3203 | if (!IS_DREG ($1) && !ispreg) | |
3204 | return yyerror ("Bad destination register for LOAD"); | |
3205 | ||
81fd73ed JZ |
3206 | if (tmp->type == Expr_Node_Reloc |
3207 | && strcmp (tmp->value.s_value, | |
3208 | "_current_shared_library_p5_offset_") != 0) | |
3209 | return yyerror ("Plain symbol used as offset"); | |
3210 | ||
07c1b327 CM |
3211 | if ($5.r0) |
3212 | tmp = unary (Expr_Op_Type_NEG, tmp); | |
3213 | ||
3214 | if(isgot){ | |
3215 | notethat ("LDSTidxI: dpregs = [ pregs + sym@got ]\n"); | |
3216 | $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1: 0, tmp); | |
3217 | } | |
3218 | else if (in_range_p (tmp, 0, 63, 3)) | |
3219 | { | |
3220 | notethat ("LDSTii: dpregs = [ pregs + uimm7m4 ]\n"); | |
3221 | $$ = LDSTII (&$4, &$1, tmp, 0, ispreg ? 3 : 0); | |
3222 | } | |
3223 | else if ($4.regno == REG_FP && in_range_p (tmp, -128, 0, 3)) | |
3224 | { | |
3225 | notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n"); | |
3226 | tmp = unary (Expr_Op_Type_NEG, tmp); | |
3227 | $$ = LDSTIIFP (tmp, &$1, 0); | |
3228 | } | |
3229 | else if (in_range_p (tmp, -131072, 131071, 3)) | |
3230 | { | |
3231 | notethat ("LDSTidxI: dpregs = [ pregs + imm18m4 ]\n"); | |
3232 | $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1: 0, tmp); | |
3233 | ||
3234 | } | |
3235 | else | |
3236 | return yyerror ("Displacement out of range for load"); | |
3237 | } | |
3238 | ||
3239 | | REG ASSIGN LBRACK REG post_op RBRACK | |
3240 | { | |
3241 | if (IS_DREG ($1) && IS_IREG ($4)) | |
3242 | { | |
3243 | notethat ("dspLDST: dregs = [ iregs <post_op> ]\n"); | |
3244 | $$ = DSPLDST (&$4, 0, &$1, $5.x0, 0); | |
3245 | } | |
3246 | else if (IS_DREG ($1) && IS_PREG ($4)) | |
3247 | { | |
3248 | notethat ("LDST: dregs = [ pregs <post_op> ]\n"); | |
3249 | $$ = LDST (&$4, &$1, $5.x0, 0, 0, 0); | |
3250 | } | |
3251 | else if (IS_PREG ($1) && IS_PREG ($4)) | |
3252 | { | |
3253 | if (REG_SAME ($1, $4) && $5.x0 != 2) | |
3254 | return yyerror ("Pregs can't be same"); | |
3255 | ||
3256 | notethat ("LDST: pregs = [ pregs <post_op> ]\n"); | |
3257 | $$ = LDST (&$4, &$1, $5.x0, 0, 1, 0); | |
3258 | } | |
3259 | else if ($4.regno == REG_SP && IS_ALLREG ($1) && $5.x0 == 0) | |
3260 | { | |
3261 | notethat ("PushPopReg: allregs = [ SP ++ ]\n"); | |
3262 | $$ = PUSHPOPREG (&$1, 0); | |
3263 | } | |
3264 | else | |
3265 | return yyerror ("Bad register or value"); | |
3266 | } | |
3267 | ||
3268 | ||
07c1b327 CM |
3269 | /* PushPopMultiple. */ |
3270 | | reg_with_predec ASSIGN LPAREN REG COLON expr COMMA REG COLON expr RPAREN | |
3271 | { | |
3272 | if ($1.regno != REG_SP) | |
3273 | yyerror ("Stack Pointer expected"); | |
3274 | if ($4.regno == REG_R7 | |
3275 | && IN_RANGE ($6, 0, 7) | |
3276 | && $8.regno == REG_P5 | |
3277 | && IN_RANGE ($10, 0, 5)) | |
3278 | { | |
3279 | notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim , P5 : reglim )\n"); | |
3280 | $$ = PUSHPOPMULTIPLE (imm5 ($6), imm5 ($10), 1, 1, 1); | |
3281 | } | |
3282 | else | |
3283 | return yyerror ("Bad register for PushPopMultiple"); | |
3284 | } | |
3285 | ||
3286 | | reg_with_predec ASSIGN LPAREN REG COLON expr RPAREN | |
3287 | { | |
3288 | if ($1.regno != REG_SP) | |
3289 | yyerror ("Stack Pointer expected"); | |
3290 | ||
3291 | if ($4.regno == REG_R7 && IN_RANGE ($6, 0, 7)) | |
3292 | { | |
3293 | notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim )\n"); | |
3294 | $$ = PUSHPOPMULTIPLE (imm5 ($6), 0, 1, 0, 1); | |
3295 | } | |
3296 | else if ($4.regno == REG_P5 && IN_RANGE ($6, 0, 6)) | |
3297 | { | |
3298 | notethat ("PushPopMultiple: [ -- SP ] = (P5 : reglim )\n"); | |
3299 | $$ = PUSHPOPMULTIPLE (0, imm5 ($6), 0, 1, 1); | |
3300 | } | |
3301 | else | |
3302 | return yyerror ("Bad register for PushPopMultiple"); | |
3303 | } | |
3304 | ||
3305 | | LPAREN REG COLON expr COMMA REG COLON expr RPAREN ASSIGN reg_with_postinc | |
3306 | { | |
3307 | if ($11.regno != REG_SP) | |
3308 | yyerror ("Stack Pointer expected"); | |
3309 | if ($2.regno == REG_R7 && (IN_RANGE ($4, 0, 7)) | |
3310 | && $6.regno == REG_P5 && (IN_RANGE ($8, 0, 6))) | |
3311 | { | |
3312 | notethat ("PushPopMultiple: (R7 : reglim , P5 : reglim ) = [ SP ++ ]\n"); | |
3313 | $$ = PUSHPOPMULTIPLE (imm5 ($4), imm5 ($8), 1, 1, 0); | |
3314 | } | |
3315 | else | |
3316 | return yyerror ("Bad register range for PushPopMultiple"); | |
3317 | } | |
3318 | ||
3319 | | LPAREN REG COLON expr RPAREN ASSIGN reg_with_postinc | |
3320 | { | |
3321 | if ($7.regno != REG_SP) | |
3322 | yyerror ("Stack Pointer expected"); | |
3323 | ||
3324 | if ($2.regno == REG_R7 && IN_RANGE ($4, 0, 7)) | |
3325 | { | |
3326 | notethat ("PushPopMultiple: (R7 : reglim ) = [ SP ++ ]\n"); | |
3327 | $$ = PUSHPOPMULTIPLE (imm5 ($4), 0, 1, 0, 0); | |
3328 | } | |
3329 | else if ($2.regno == REG_P5 && IN_RANGE ($4, 0, 6)) | |
3330 | { | |
3331 | notethat ("PushPopMultiple: (P5 : reglim ) = [ SP ++ ]\n"); | |
3332 | $$ = PUSHPOPMULTIPLE (0, imm5 ($4), 0, 1, 0); | |
3333 | } | |
3334 | else | |
3335 | return yyerror ("Bad register range for PushPopMultiple"); | |
3336 | } | |
3337 | ||
3338 | | reg_with_predec ASSIGN REG | |
3339 | { | |
3340 | if ($1.regno != REG_SP) | |
3341 | yyerror ("Stack Pointer expected"); | |
3342 | ||
3343 | if (IS_ALLREG ($3)) | |
3344 | { | |
3345 | notethat ("PushPopReg: [ -- SP ] = allregs\n"); | |
3346 | $$ = PUSHPOPREG (&$3, 1); | |
3347 | } | |
3348 | else | |
3349 | return yyerror ("Bad register for PushPopReg"); | |
3350 | } | |
3351 | ||
3352 | /* Linkage. */ | |
3353 | ||
3354 | | LINK expr | |
3355 | { | |
3356 | if (IS_URANGE (16, $2, 0, 4)) | |
3357 | $$ = LINKAGE (0, uimm16s4 ($2)); | |
3358 | else | |
3359 | return yyerror ("Bad constant for LINK"); | |
3360 | } | |
3361 | ||
3362 | | UNLINK | |
3363 | { | |
3364 | notethat ("linkage: UNLINK\n"); | |
3365 | $$ = LINKAGE (1, 0); | |
3366 | } | |
3367 | ||
3368 | ||
3369 | /* LSETUP. */ | |
3370 | ||
3371 | | LSETUP LPAREN expr COMMA expr RPAREN REG | |
3372 | { | |
3373 | if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5) && IS_CREG ($7)) | |
3374 | { | |
3375 | notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters\n"); | |
3376 | $$ = LOOPSETUP ($3, &$7, 0, $5, 0); | |
3377 | } | |
3378 | else | |
3379 | return yyerror ("Bad register or values for LSETUP"); | |
3380 | ||
3381 | } | |
3382 | | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG | |
3383 | { | |
3384 | if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5) | |
3385 | && IS_PREG ($9) && IS_CREG ($7)) | |
3386 | { | |
3387 | notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs\n"); | |
3388 | $$ = LOOPSETUP ($3, &$7, 1, $5, &$9); | |
3389 | } | |
3390 | else | |
3391 | return yyerror ("Bad register or values for LSETUP"); | |
3392 | } | |
3393 | ||
3394 | | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG GREATER_GREATER expr | |
3395 | { | |
3396 | if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5) | |
3397 | && IS_PREG ($9) && IS_CREG ($7) | |
3398 | && EXPR_VALUE ($11) == 1) | |
3399 | { | |
3400 | notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs >> 1\n"); | |
3401 | $$ = LOOPSETUP ($3, &$7, 3, $5, &$9); | |
3402 | } | |
3403 | else | |
3404 | return yyerror ("Bad register or values for LSETUP"); | |
3405 | } | |
3406 | ||
3407 | /* LOOP. */ | |
3408 | | LOOP expr REG | |
3409 | { | |
3410 | if (!IS_RELOC ($2)) | |
3411 | return yyerror ("Invalid expression in loop statement"); | |
3412 | if (!IS_CREG ($3)) | |
3413 | return yyerror ("Invalid loop counter register"); | |
3414 | $$ = bfin_gen_loop ($2, &$3, 0, 0); | |
3415 | } | |
3416 | | LOOP expr REG ASSIGN REG | |
3417 | { | |
3418 | if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3)) | |
3419 | { | |
3420 | notethat ("Loop: LOOP expr counters = pregs\n"); | |
3421 | $$ = bfin_gen_loop ($2, &$3, 1, &$5); | |
3422 | } | |
3423 | else | |
3424 | return yyerror ("Bad register or values for LOOP"); | |
3425 | } | |
3426 | | LOOP expr REG ASSIGN REG GREATER_GREATER expr | |
3427 | { | |
3428 | if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3) && EXPR_VALUE ($7) == 1) | |
3429 | { | |
3430 | notethat ("Loop: LOOP expr counters = pregs >> 1\n"); | |
3431 | $$ = bfin_gen_loop ($2, &$3, 3, &$5); | |
3432 | } | |
3433 | else | |
3434 | return yyerror ("Bad register or values for LOOP"); | |
3435 | } | |
3436 | /* pseudoDEBUG. */ | |
3437 | ||
3438 | | DBG | |
3439 | { | |
3440 | notethat ("pseudoDEBUG: DBG\n"); | |
3441 | $$ = bfin_gen_pseudodbg (3, 7, 0); | |
3442 | } | |
3443 | | DBG REG_A | |
3444 | { | |
3445 | notethat ("pseudoDEBUG: DBG REG_A\n"); | |
3446 | $$ = bfin_gen_pseudodbg (3, IS_A1 ($2), 0); | |
3447 | } | |
3448 | | DBG REG | |
3449 | { | |
3450 | notethat ("pseudoDEBUG: DBG allregs\n"); | |
3451 | $$ = bfin_gen_pseudodbg (0, $2.regno & CODE_MASK, $2.regno & CLASS_MASK); | |
3452 | } | |
3453 | ||
3454 | | DBGCMPLX LPAREN REG RPAREN | |
3455 | { | |
3456 | if (!IS_DREG ($3)) | |
3457 | return yyerror ("Dregs expected"); | |
3458 | notethat ("pseudoDEBUG: DBGCMPLX (dregs )\n"); | |
3459 | $$ = bfin_gen_pseudodbg (3, 6, $3.regno & CODE_MASK); | |
3460 | } | |
3461 | ||
3462 | | DBGHALT | |
3463 | { | |
3464 | notethat ("psedoDEBUG: DBGHALT\n"); | |
3465 | $$ = bfin_gen_pseudodbg (3, 5, 0); | |
3466 | } | |
3467 | ||
3468 | | DBGA LPAREN HALF_REG COMMA expr RPAREN | |
3469 | { | |
3470 | notethat ("pseudodbg_assert: DBGA (dregs_lo , uimm16 )\n"); | |
3471 | $$ = bfin_gen_pseudodbg_assert (IS_H ($3), &$3, uimm16 ($5)); | |
3472 | } | |
3473 | ||
3474 | | DBGAH LPAREN REG COMMA expr RPAREN | |
3475 | { | |
3476 | notethat ("pseudodbg_assert: DBGAH (dregs , uimm16 )\n"); | |
3477 | $$ = bfin_gen_pseudodbg_assert (3, &$3, uimm16 ($5)); | |
3478 | } | |
3479 | ||
3480 | | DBGAL LPAREN REG COMMA expr RPAREN | |
3481 | { | |
3482 | notethat ("psedodbg_assert: DBGAL (dregs , uimm16 )\n"); | |
3483 | $$ = bfin_gen_pseudodbg_assert (2, &$3, uimm16 ($5)); | |
3484 | } | |
3485 | ||
3486 | ||
3487 | ; | |
3488 | ||
3489 | /* AUX RULES. */ | |
3490 | ||
3491 | /* Register rules. */ | |
3492 | ||
3493 | REG_A: REG_A_DOUBLE_ZERO | |
3494 | { | |
3495 | $$ = $1; | |
3496 | } | |
3497 | | REG_A_DOUBLE_ONE | |
3498 | { | |
3499 | $$ = $1; | |
3500 | } | |
3501 | ; | |
3502 | ||
3503 | ||
3504 | /* Modifiers. */ | |
3505 | ||
3506 | opt_mode: | |
3507 | { | |
3508 | $$.MM = 0; | |
3509 | $$.mod = 0; | |
3510 | } | |
3511 | | LPAREN M COMMA MMOD RPAREN | |
3512 | { | |
3513 | $$.MM = 1; | |
3514 | $$.mod = $4; | |
3515 | } | |
3516 | | LPAREN MMOD COMMA M RPAREN | |
3517 | { | |
3518 | $$.MM = 1; | |
3519 | $$.mod = $2; | |
3520 | } | |
3521 | | LPAREN MMOD RPAREN | |
3522 | { | |
3523 | $$.MM = 0; | |
3524 | $$.mod = $2; | |
3525 | } | |
3526 | | LPAREN M RPAREN | |
3527 | { | |
3528 | $$.MM = 1; | |
3529 | $$.mod = 0; | |
3530 | } | |
3531 | ; | |
3532 | ||
3533 | asr_asl: LPAREN ASL RPAREN | |
3534 | { | |
3535 | $$.r0 = 1; | |
3536 | } | |
3537 | | LPAREN ASR RPAREN | |
3538 | { | |
3539 | $$.r0 = 0; | |
3540 | } | |
3541 | ; | |
3542 | ||
3543 | sco: | |
3544 | { | |
3545 | $$.s0 = 0; | |
3546 | $$.x0 = 0; | |
3547 | } | |
3548 | | S | |
3549 | { | |
3550 | $$.s0 = 1; | |
3551 | $$.x0 = 0; | |
3552 | } | |
3553 | | CO | |
3554 | { | |
3555 | $$.s0 = 0; | |
3556 | $$.x0 = 1; | |
3557 | } | |
3558 | | SCO | |
3559 | { | |
3560 | $$.s0 = 1; | |
3561 | $$.x0 = 1; | |
3562 | } | |
3563 | ; | |
3564 | ||
3565 | asr_asl_0: | |
3566 | ASL | |
3567 | { | |
3568 | $$.r0 = 1; | |
3569 | } | |
3570 | | ASR | |
3571 | { | |
3572 | $$.r0 = 0; | |
3573 | } | |
3574 | ; | |
3575 | ||
3576 | amod0: | |
3577 | { | |
3578 | $$.s0 = 0; | |
3579 | $$.x0 = 0; | |
3580 | } | |
3581 | | LPAREN sco RPAREN | |
3582 | { | |
3583 | $$.s0 = $2.s0; | |
3584 | $$.x0 = $2.x0; | |
3585 | } | |
3586 | ; | |
3587 | ||
3588 | amod1: | |
3589 | { | |
3590 | $$.s0 = 0; | |
3591 | $$.x0 = 0; | |
3592 | $$.aop = 0; | |
3593 | } | |
3594 | | LPAREN NS RPAREN | |
3595 | { | |
3596 | $$.s0 = 0; | |
3597 | $$.x0 = 0; | |
3598 | $$.aop = 1; | |
3599 | } | |
3600 | | LPAREN S RPAREN | |
3601 | { | |
3602 | $$.s0 = 1; | |
3603 | $$.x0 = 0; | |
3604 | $$.aop = 1; | |
3605 | } | |
3606 | ; | |
3607 | ||
3608 | amod2: | |
3609 | { | |
3610 | $$.r0 = 0; | |
3611 | $$.s0 = 0; | |
3612 | $$.x0 = 0; | |
3613 | } | |
3614 | | LPAREN asr_asl_0 RPAREN | |
3615 | { | |
3616 | $$.r0 = 2 + $2.r0; | |
3617 | $$.s0 = 0; | |
3618 | $$.x0 = 0; | |
3619 | } | |
3620 | | LPAREN sco RPAREN | |
3621 | { | |
3622 | $$.r0 = 0; | |
3623 | $$.s0 = $2.s0; | |
3624 | $$.x0 = $2.x0; | |
3625 | } | |
3626 | | LPAREN asr_asl_0 COMMA sco RPAREN | |
3627 | { | |
3628 | $$.r0 = 2 + $2.r0; | |
3629 | $$.s0 = $4.s0; | |
3630 | $$.x0 = $4.x0; | |
3631 | } | |
3632 | | LPAREN sco COMMA asr_asl_0 RPAREN | |
3633 | { | |
3634 | $$.r0 = 2 + $4.r0; | |
3635 | $$.s0 = $2.s0; | |
3636 | $$.x0 = $2.x0; | |
3637 | } | |
3638 | ; | |
3639 | ||
3640 | xpmod: | |
3641 | { | |
3642 | $$.r0 = 0; | |
3643 | } | |
3644 | | LPAREN Z RPAREN | |
3645 | { | |
3646 | $$.r0 = 0; | |
3647 | } | |
3648 | | LPAREN X RPAREN | |
3649 | { | |
3650 | $$.r0 = 1; | |
3651 | } | |
3652 | ; | |
3653 | ||
3654 | xpmod1: | |
3655 | { | |
3656 | $$.r0 = 0; | |
3657 | } | |
3658 | | LPAREN X RPAREN | |
3659 | { | |
3660 | $$.r0 = 0; | |
3661 | } | |
3662 | | LPAREN Z RPAREN | |
3663 | { | |
3664 | $$.r0 = 1; | |
3665 | } | |
3666 | ; | |
3667 | ||
3668 | vsmod: | |
3669 | { | |
3670 | $$.r0 = 0; | |
3671 | $$.s0 = 0; | |
3672 | $$.aop = 0; | |
3673 | } | |
3674 | | LPAREN NS RPAREN | |
3675 | { | |
3676 | $$.r0 = 0; | |
3677 | $$.s0 = 0; | |
3678 | $$.aop = 3; | |
3679 | } | |
3680 | | LPAREN S RPAREN | |
3681 | { | |
3682 | $$.r0 = 0; | |
3683 | $$.s0 = 1; | |
3684 | $$.aop = 3; | |
3685 | } | |
3686 | | LPAREN V RPAREN | |
3687 | { | |
3688 | $$.r0 = 1; | |
3689 | $$.s0 = 0; | |
3690 | $$.aop = 3; | |
3691 | } | |
3692 | | LPAREN V COMMA S RPAREN | |
3693 | { | |
3694 | $$.r0 = 1; | |
3695 | $$.s0 = 1; | |
3696 | } | |
3697 | | LPAREN S COMMA V RPAREN | |
3698 | { | |
3699 | $$.r0 = 1; | |
3700 | $$.s0 = 1; | |
3701 | } | |
3702 | ; | |
3703 | ||
3704 | vmod: | |
3705 | { | |
3706 | $$.r0 = 0; | |
3707 | } | |
3708 | | LPAREN V RPAREN | |
3709 | { | |
3710 | $$.r0 = 1; | |
3711 | } | |
3712 | ; | |
3713 | ||
3714 | smod: | |
3715 | { | |
3716 | $$.s0 = 0; | |
3717 | } | |
3718 | | LPAREN S RPAREN | |
3719 | { | |
3720 | $$.s0 = 1; | |
3721 | } | |
3722 | ; | |
3723 | ||
3724 | searchmod: | |
3725 | GE | |
3726 | { | |
3727 | $$.r0 = 1; | |
3728 | } | |
3729 | | GT | |
3730 | { | |
3731 | $$.r0 = 0; | |
3732 | } | |
3733 | | LE | |
3734 | { | |
3735 | $$.r0 = 3; | |
3736 | } | |
3737 | | LT | |
3738 | { | |
3739 | $$.r0 = 2; | |
3740 | } | |
3741 | ; | |
3742 | ||
3743 | aligndir: | |
3744 | { | |
3745 | $$.r0 = 0; | |
3746 | } | |
3747 | | LPAREN R RPAREN | |
3748 | { | |
3749 | $$.r0 = 1; | |
3750 | } | |
3751 | ; | |
3752 | ||
3753 | byteop_mod: | |
3754 | LPAREN R RPAREN | |
3755 | { | |
3756 | $$.r0 = 0; | |
3757 | $$.s0 = 1; | |
3758 | } | |
3759 | | LPAREN MMOD RPAREN | |
3760 | { | |
3761 | if ($2 != M_T) | |
3762 | return yyerror ("Bad modifier"); | |
3763 | $$.r0 = 1; | |
3764 | $$.s0 = 0; | |
3765 | } | |
3766 | | LPAREN MMOD COMMA R RPAREN | |
3767 | { | |
3768 | if ($2 != M_T) | |
3769 | return yyerror ("Bad modifier"); | |
3770 | $$.r0 = 1; | |
3771 | $$.s0 = 1; | |
3772 | } | |
3773 | | LPAREN R COMMA MMOD RPAREN | |
3774 | { | |
3775 | if ($4 != M_T) | |
3776 | return yyerror ("Bad modifier"); | |
3777 | $$.r0 = 1; | |
3778 | $$.s0 = 1; | |
3779 | } | |
3780 | ; | |
3781 | ||
3782 | ||
3783 | ||
3784 | c_align: | |
3785 | ALIGN8 | |
3786 | { | |
3787 | $$.r0 = 0; | |
3788 | } | |
3789 | | ALIGN16 | |
3790 | { | |
3791 | $$.r0 = 1; | |
3792 | } | |
3793 | | ALIGN24 | |
3794 | { | |
3795 | $$.r0 = 2; | |
3796 | } | |
3797 | ; | |
3798 | ||
3799 | w32_or_nothing: | |
3800 | { | |
3801 | $$.r0 = 0; | |
3802 | } | |
3803 | | LPAREN MMOD RPAREN | |
3804 | { | |
3805 | if ($2 == M_W32) | |
3806 | $$.r0 = 1; | |
3807 | else | |
3808 | return yyerror ("Only (W32) allowed"); | |
3809 | } | |
3810 | ; | |
3811 | ||
3812 | iu_or_nothing: | |
3813 | { | |
3814 | $$.r0 = 1; | |
3815 | } | |
3816 | | LPAREN MMOD RPAREN | |
3817 | { | |
3818 | if ($2 == M_IU) | |
3819 | $$.r0 = 3; | |
3820 | else | |
3821 | return yyerror ("(IU) expected"); | |
3822 | } | |
3823 | ; | |
3824 | ||
3825 | reg_with_predec: LBRACK _MINUS_MINUS REG RBRACK | |
3826 | { | |
3827 | $$ = $3; | |
3828 | } | |
3829 | ; | |
3830 | ||
3831 | reg_with_postinc: LBRACK REG _PLUS_PLUS RBRACK | |
3832 | { | |
3833 | $$ = $2; | |
3834 | } | |
3835 | ; | |
3836 | ||
3837 | /* Operators. */ | |
3838 | ||
3839 | min_max: | |
3840 | MIN | |
3841 | { | |
3842 | $$.r0 = 1; | |
3843 | } | |
3844 | | MAX | |
3845 | { | |
3846 | $$.r0 = 0; | |
3847 | } | |
3848 | ; | |
3849 | ||
3850 | op_bar_op: | |
3851 | _PLUS_BAR_PLUS | |
3852 | { | |
3853 | $$.r0 = 0; | |
3854 | } | |
3855 | | _PLUS_BAR_MINUS | |
3856 | { | |
3857 | $$.r0 = 1; | |
3858 | } | |
3859 | | _MINUS_BAR_PLUS | |
3860 | { | |
3861 | $$.r0 = 2; | |
3862 | } | |
3863 | | _MINUS_BAR_MINUS | |
3864 | { | |
3865 | $$.r0 = 3; | |
3866 | } | |
3867 | ; | |
3868 | ||
3869 | plus_minus: | |
3870 | PLUS | |
3871 | { | |
3872 | $$.r0 = 0; | |
3873 | } | |
3874 | | MINUS | |
3875 | { | |
3876 | $$.r0 = 1; | |
3877 | } | |
3878 | ; | |
3879 | ||
3880 | rnd_op: | |
3881 | LPAREN RNDH RPAREN | |
3882 | { | |
3883 | $$.r0 = 1; /* HL. */ | |
3884 | $$.s0 = 0; /* s. */ | |
3885 | $$.x0 = 0; /* x. */ | |
3886 | $$.aop = 0; /* aop. */ | |
3887 | } | |
3888 | ||
3889 | | LPAREN TH RPAREN | |
3890 | { | |
3891 | $$.r0 = 1; /* HL. */ | |
3892 | $$.s0 = 0; /* s. */ | |
3893 | $$.x0 = 0; /* x. */ | |
3894 | $$.aop = 1; /* aop. */ | |
3895 | } | |
3896 | ||
3897 | | LPAREN RNDL RPAREN | |
3898 | { | |
3899 | $$.r0 = 0; /* HL. */ | |
3900 | $$.s0 = 0; /* s. */ | |
3901 | $$.x0 = 0; /* x. */ | |
3902 | $$.aop = 0; /* aop. */ | |
3903 | } | |
3904 | ||
3905 | | LPAREN TL RPAREN | |
3906 | { | |
3907 | $$.r0 = 0; /* HL. */ | |
3908 | $$.s0 = 0; /* s. */ | |
3909 | $$.x0 = 0; /* x. */ | |
3910 | $$.aop = 1; | |
3911 | } | |
3912 | ||
3913 | | LPAREN RNDH COMMA R RPAREN | |
3914 | { | |
3915 | $$.r0 = 1; /* HL. */ | |
3916 | $$.s0 = 1; /* s. */ | |
3917 | $$.x0 = 0; /* x. */ | |
3918 | $$.aop = 0; /* aop. */ | |
3919 | } | |
3920 | | LPAREN TH COMMA R RPAREN | |
3921 | { | |
3922 | $$.r0 = 1; /* HL. */ | |
3923 | $$.s0 = 1; /* s. */ | |
3924 | $$.x0 = 0; /* x. */ | |
3925 | $$.aop = 1; /* aop. */ | |
3926 | } | |
3927 | | LPAREN RNDL COMMA R RPAREN | |
3928 | { | |
3929 | $$.r0 = 0; /* HL. */ | |
3930 | $$.s0 = 1; /* s. */ | |
3931 | $$.x0 = 0; /* x. */ | |
3932 | $$.aop = 0; /* aop. */ | |
3933 | } | |
3934 | ||
3935 | | LPAREN TL COMMA R RPAREN | |
3936 | { | |
3937 | $$.r0 = 0; /* HL. */ | |
3938 | $$.s0 = 1; /* s. */ | |
3939 | $$.x0 = 0; /* x. */ | |
3940 | $$.aop = 1; /* aop. */ | |
3941 | } | |
3942 | ; | |
3943 | ||
3944 | b3_op: | |
3945 | LPAREN LO RPAREN | |
3946 | { | |
3947 | $$.s0 = 0; /* s. */ | |
3948 | $$.x0 = 0; /* HL. */ | |
3949 | } | |
3950 | | LPAREN HI RPAREN | |
3951 | { | |
3952 | $$.s0 = 0; /* s. */ | |
3953 | $$.x0 = 1; /* HL. */ | |
3954 | } | |
3955 | | LPAREN LO COMMA R RPAREN | |
3956 | { | |
3957 | $$.s0 = 1; /* s. */ | |
3958 | $$.x0 = 0; /* HL. */ | |
3959 | } | |
3960 | | LPAREN HI COMMA R RPAREN | |
3961 | { | |
3962 | $$.s0 = 1; /* s. */ | |
3963 | $$.x0 = 1; /* HL. */ | |
3964 | } | |
3965 | ; | |
3966 | ||
3967 | post_op: | |
3968 | { | |
3969 | $$.x0 = 2; | |
3970 | } | |
3971 | | _PLUS_PLUS | |
3972 | { | |
3973 | $$.x0 = 0; | |
3974 | } | |
3975 | | _MINUS_MINUS | |
3976 | { | |
3977 | $$.x0 = 1; | |
3978 | } | |
3979 | ; | |
3980 | ||
3981 | /* Assignments, Macfuncs. */ | |
3982 | ||
3983 | a_assign: | |
3984 | REG_A ASSIGN | |
3985 | { | |
3986 | $$ = $1; | |
3987 | } | |
3988 | ; | |
3989 | ||
3990 | a_minusassign: | |
3991 | REG_A _MINUS_ASSIGN | |
3992 | { | |
3993 | $$ = $1; | |
3994 | } | |
3995 | ; | |
3996 | ||
3997 | a_plusassign: | |
3998 | REG_A _PLUS_ASSIGN | |
3999 | { | |
4000 | $$ = $1; | |
4001 | } | |
4002 | ; | |
4003 | ||
4004 | assign_macfunc: | |
4005 | REG ASSIGN REG_A | |
4006 | { | |
ee171c8f BS |
4007 | if (IS_A1 ($3) && IS_EVEN ($1)) |
4008 | return yyerror ("Cannot move A1 to even register"); | |
4009 | else if (!IS_A1 ($3) && !IS_EVEN ($1)) | |
4010 | return yyerror ("Cannot move A0 to odd register"); | |
4011 | ||
07c1b327 CM |
4012 | $$.w = 1; |
4013 | $$.P = 1; | |
4014 | $$.n = IS_A1 ($3); | |
4015 | $$.op = 3; | |
4016 | $$.dst = $1; | |
4017 | $$.s0.regno = 0; | |
4018 | $$.s1.regno = 0; | |
07c1b327 CM |
4019 | } |
4020 | | a_macfunc | |
4021 | { | |
4022 | $$ = $1; | |
4023 | $$.w = 0; $$.P = 0; | |
4024 | $$.dst.regno = 0; | |
4025 | } | |
4026 | | REG ASSIGN LPAREN a_macfunc RPAREN | |
4027 | { | |
ee171c8f BS |
4028 | if ($4.n && IS_EVEN ($1)) |
4029 | return yyerror ("Cannot move A1 to even register"); | |
4030 | else if (!$4.n && !IS_EVEN ($1)) | |
4031 | return yyerror ("Cannot move A0 to odd register"); | |
4032 | ||
07c1b327 CM |
4033 | $$ = $4; |
4034 | $$.w = 1; | |
4035 | $$.P = 1; | |
4036 | $$.dst = $1; | |
4037 | } | |
4038 | ||
4039 | | HALF_REG ASSIGN LPAREN a_macfunc RPAREN | |
4040 | { | |
ee171c8f BS |
4041 | if ($4.n && !IS_H ($1)) |
4042 | return yyerror ("Cannot move A1 to low half of register"); | |
4043 | else if (!$4.n && IS_H ($1)) | |
4044 | return yyerror ("Cannot move A0 to high half of register"); | |
4045 | ||
07c1b327 CM |
4046 | $$ = $4; |
4047 | $$.w = 1; | |
4048 | $$.P = 0; | |
4049 | $$.dst = $1; | |
4050 | } | |
4051 | ||
4052 | | HALF_REG ASSIGN REG_A | |
4053 | { | |
ee171c8f BS |
4054 | if (IS_A1 ($3) && !IS_H ($1)) |
4055 | return yyerror ("Cannot move A1 to low half of register"); | |
4056 | else if (!IS_A1 ($3) && IS_H ($1)) | |
4057 | return yyerror ("Cannot move A0 to high half of register"); | |
4058 | ||
07c1b327 CM |
4059 | $$.w = 1; |
4060 | $$.P = 0; | |
4061 | $$.n = IS_A1 ($3); | |
4062 | $$.op = 3; | |
4063 | $$.dst = $1; | |
4064 | $$.s0.regno = 0; | |
4065 | $$.s1.regno = 0; | |
07c1b327 CM |
4066 | } |
4067 | ; | |
4068 | ||
4069 | a_macfunc: | |
4070 | a_assign multiply_halfregs | |
4071 | { | |
4072 | $$.n = IS_A1 ($1); | |
4073 | $$.op = 0; | |
4074 | $$.s0 = $2.s0; | |
4075 | $$.s1 = $2.s1; | |
4076 | } | |
4077 | | a_plusassign multiply_halfregs | |
4078 | { | |
4079 | $$.n = IS_A1 ($1); | |
4080 | $$.op = 1; | |
4081 | $$.s0 = $2.s0; | |
4082 | $$.s1 = $2.s1; | |
4083 | } | |
4084 | | a_minusassign multiply_halfregs | |
4085 | { | |
4086 | $$.n = IS_A1 ($1); | |
4087 | $$.op = 2; | |
4088 | $$.s0 = $2.s0; | |
4089 | $$.s1 = $2.s1; | |
4090 | } | |
4091 | ; | |
4092 | ||
4093 | multiply_halfregs: | |
4094 | HALF_REG STAR HALF_REG | |
4095 | { | |
4096 | if (IS_DREG ($1) && IS_DREG ($3)) | |
4097 | { | |
4098 | $$.s0 = $1; | |
4099 | $$.s1 = $3; | |
4100 | } | |
4101 | else | |
4102 | return yyerror ("Dregs expected"); | |
4103 | } | |
4104 | ; | |
4105 | ||
4106 | cc_op: | |
4107 | ASSIGN | |
4108 | { | |
4109 | $$.r0 = 0; | |
4110 | } | |
4111 | | _BAR_ASSIGN | |
4112 | { | |
4113 | $$.r0 = 1; | |
4114 | } | |
4115 | | _AMPERSAND_ASSIGN | |
4116 | { | |
4117 | $$.r0 = 2; | |
4118 | } | |
4119 | | _CARET_ASSIGN | |
4120 | { | |
4121 | $$.r0 = 3; | |
4122 | } | |
4123 | ; | |
4124 | ||
4125 | ccstat: | |
4126 | CCREG cc_op STATUS_REG | |
4127 | { | |
4128 | $$.r0 = $3.regno; | |
4129 | $$.x0 = $2.r0; | |
4130 | $$.s0 = 0; | |
4131 | } | |
4132 | | CCREG cc_op V | |
4133 | { | |
4134 | $$.r0 = 0x18; | |
4135 | $$.x0 = $2.r0; | |
4136 | $$.s0 = 0; | |
4137 | } | |
4138 | | STATUS_REG cc_op CCREG | |
4139 | { | |
4140 | $$.r0 = $1.regno; | |
4141 | $$.x0 = $2.r0; | |
4142 | $$.s0 = 1; | |
4143 | } | |
4144 | | V cc_op CCREG | |
4145 | { | |
4146 | $$.r0 = 0x18; | |
4147 | $$.x0 = $2.r0; | |
4148 | $$.s0 = 1; | |
4149 | } | |
4150 | ; | |
4151 | ||
4152 | /* Expressions and Symbols. */ | |
4153 | ||
4154 | symbol: SYMBOL | |
4155 | { | |
4156 | Expr_Node_Value val; | |
4157 | val.s_value = S_GET_NAME($1); | |
4158 | $$ = Expr_Node_Create (Expr_Node_Reloc, val, NULL, NULL); | |
4159 | } | |
4160 | ; | |
4161 | ||
1ac4baed BS |
4162 | any_gotrel: |
4163 | GOT | |
4164 | { $$ = BFD_RELOC_BFIN_GOT; } | |
4165 | | GOT17M4 | |
4166 | { $$ = BFD_RELOC_BFIN_GOT17M4; } | |
4167 | | FUNCDESC_GOT17M4 | |
4168 | { $$ = BFD_RELOC_BFIN_FUNCDESC_GOT17M4; } | |
4169 | ; | |
4170 | ||
4171 | got: symbol AT any_gotrel | |
07c1b327 | 4172 | { |
1ac4baed BS |
4173 | Expr_Node_Value val; |
4174 | val.i_value = $3; | |
4175 | $$ = Expr_Node_Create (Expr_Node_GOT_Reloc, val, $1, NULL); | |
07c1b327 CM |
4176 | } |
4177 | ; | |
4178 | ||
4179 | got_or_expr: got | |
4180 | { | |
4181 | $$ = $1; | |
4182 | } | |
4183 | | expr | |
4184 | { | |
4185 | $$ = $1; | |
4186 | } | |
4187 | ; | |
4188 | ||
4189 | pltpc : | |
4190 | symbol AT PLTPC | |
4191 | { | |
4192 | $$ = $1; | |
4193 | } | |
4194 | ; | |
4195 | ||
4196 | eterm: NUMBER | |
4197 | { | |
4198 | Expr_Node_Value val; | |
4199 | val.i_value = $1; | |
4200 | $$ = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL); | |
4201 | } | |
4202 | | symbol | |
4203 | { | |
4204 | $$ = $1; | |
4205 | } | |
4206 | | LPAREN expr_1 RPAREN | |
4207 | { | |
4208 | $$ = $2; | |
4209 | } | |
4210 | | TILDA expr_1 | |
4211 | { | |
4212 | $$ = unary (Expr_Op_Type_COMP, $2); | |
4213 | } | |
4214 | | MINUS expr_1 %prec TILDA | |
4215 | { | |
4216 | $$ = unary (Expr_Op_Type_NEG, $2); | |
4217 | } | |
4218 | ; | |
4219 | ||
4220 | expr: expr_1 | |
4221 | { | |
4222 | $$ = $1; | |
4223 | } | |
4224 | ; | |
4225 | ||
4226 | expr_1: expr_1 STAR expr_1 | |
4227 | { | |
4228 | $$ = binary (Expr_Op_Type_Mult, $1, $3); | |
4229 | } | |
4230 | | expr_1 SLASH expr_1 | |
4231 | { | |
4232 | $$ = binary (Expr_Op_Type_Div, $1, $3); | |
4233 | } | |
4234 | | expr_1 PERCENT expr_1 | |
4235 | { | |
4236 | $$ = binary (Expr_Op_Type_Mod, $1, $3); | |
4237 | } | |
4238 | | expr_1 PLUS expr_1 | |
4239 | { | |
4240 | $$ = binary (Expr_Op_Type_Add, $1, $3); | |
4241 | } | |
4242 | | expr_1 MINUS expr_1 | |
4243 | { | |
4244 | $$ = binary (Expr_Op_Type_Sub, $1, $3); | |
4245 | } | |
4246 | | expr_1 LESS_LESS expr_1 | |
4247 | { | |
4248 | $$ = binary (Expr_Op_Type_Lshift, $1, $3); | |
4249 | } | |
4250 | | expr_1 GREATER_GREATER expr_1 | |
4251 | { | |
4252 | $$ = binary (Expr_Op_Type_Rshift, $1, $3); | |
4253 | } | |
4254 | | expr_1 AMPERSAND expr_1 | |
4255 | { | |
4256 | $$ = binary (Expr_Op_Type_BAND, $1, $3); | |
4257 | } | |
4258 | | expr_1 CARET expr_1 | |
4259 | { | |
4260 | $$ = binary (Expr_Op_Type_LOR, $1, $3); | |
4261 | } | |
4262 | | expr_1 BAR expr_1 | |
4263 | { | |
4264 | $$ = binary (Expr_Op_Type_BOR, $1, $3); | |
4265 | } | |
4266 | | eterm | |
4267 | { | |
4268 | $$ = $1; | |
4269 | } | |
4270 | ; | |
4271 | ||
4272 | ||
4273 | %% | |
4274 | ||
4275 | EXPR_T | |
4276 | mkexpr (int x, SYMBOL_T s) | |
4277 | { | |
4278 | EXPR_T e = (EXPR_T) ALLOCATE (sizeof (struct expression_cell)); | |
4279 | e->value = x; | |
4280 | EXPR_SYMBOL(e) = s; | |
4281 | return e; | |
4282 | } | |
4283 | ||
4284 | static int | |
4285 | value_match (Expr_Node *expr, int sz, int sign, int mul, int issigned) | |
4286 | { | |
4287 | long umax = (1L << sz) - 1; | |
4288 | long min = -1L << (sz - 1); | |
4289 | long max = (1L << (sz - 1)) - 1; | |
4290 | ||
4291 | long v = EXPR_VALUE (expr); | |
4292 | ||
4293 | if ((v % mul) != 0) | |
4294 | { | |
39cd1c76 | 4295 | error ("%s:%d: Value Error -- Must align to %d\n", __FILE__, __LINE__, mul); |
07c1b327 CM |
4296 | return 0; |
4297 | } | |
4298 | ||
4299 | v /= mul; | |
4300 | ||
4301 | if (sign) | |
4302 | v = -v; | |
4303 | ||
4304 | if (issigned) | |
4305 | { | |
4306 | if (v >= min && v <= max) return 1; | |
4307 | ||
4308 | #ifdef DEBUG | |
4309 | fprintf(stderr, "signed value %lx out of range\n", v * mul); | |
4310 | #endif | |
4311 | return 0; | |
4312 | } | |
4313 | if (v <= umax && v >= 0) | |
4314 | return 1; | |
4315 | #ifdef DEBUG | |
4316 | fprintf(stderr, "unsigned value %lx out of range\n", v * mul); | |
4317 | #endif | |
4318 | return 0; | |
4319 | } | |
4320 | ||
4321 | /* Return the expression structure that allows symbol operations. | |
4322 | If the left and right children are constants, do the operation. */ | |
4323 | static Expr_Node * | |
4324 | binary (Expr_Op_Type op, Expr_Node *x, Expr_Node *y) | |
4325 | { | |
c4ae04ce BS |
4326 | Expr_Node_Value val; |
4327 | ||
07c1b327 CM |
4328 | if (x->type == Expr_Node_Constant && y->type == Expr_Node_Constant) |
4329 | { | |
4330 | switch (op) | |
4331 | { | |
4332 | case Expr_Op_Type_Add: | |
4333 | x->value.i_value += y->value.i_value; | |
4334 | break; | |
4335 | case Expr_Op_Type_Sub: | |
4336 | x->value.i_value -= y->value.i_value; | |
4337 | break; | |
4338 | case Expr_Op_Type_Mult: | |
4339 | x->value.i_value *= y->value.i_value; | |
4340 | break; | |
4341 | case Expr_Op_Type_Div: | |
4342 | if (y->value.i_value == 0) | |
4343 | error ("Illegal Expression: Division by zero."); | |
4344 | else | |
4345 | x->value.i_value /= y->value.i_value; | |
4346 | break; | |
4347 | case Expr_Op_Type_Mod: | |
4348 | x->value.i_value %= y->value.i_value; | |
4349 | break; | |
4350 | case Expr_Op_Type_Lshift: | |
4351 | x->value.i_value <<= y->value.i_value; | |
4352 | break; | |
4353 | case Expr_Op_Type_Rshift: | |
4354 | x->value.i_value >>= y->value.i_value; | |
4355 | break; | |
4356 | case Expr_Op_Type_BAND: | |
4357 | x->value.i_value &= y->value.i_value; | |
4358 | break; | |
4359 | case Expr_Op_Type_BOR: | |
4360 | x->value.i_value |= y->value.i_value; | |
4361 | break; | |
4362 | case Expr_Op_Type_BXOR: | |
4363 | x->value.i_value ^= y->value.i_value; | |
4364 | break; | |
4365 | case Expr_Op_Type_LAND: | |
4366 | x->value.i_value = x->value.i_value && y->value.i_value; | |
4367 | break; | |
4368 | case Expr_Op_Type_LOR: | |
4369 | x->value.i_value = x->value.i_value || y->value.i_value; | |
4370 | break; | |
4371 | ||
4372 | default: | |
39cd1c76 | 4373 | error ("%s:%d: Internal compiler error\n", __FILE__, __LINE__); |
07c1b327 CM |
4374 | } |
4375 | return x; | |
4376 | } | |
c4ae04ce BS |
4377 | /* Canonicalize order to EXPR OP CONSTANT. */ |
4378 | if (x->type == Expr_Node_Constant) | |
4379 | { | |
4380 | Expr_Node *t = x; | |
4381 | x = y; | |
4382 | y = t; | |
4383 | } | |
73332571 BS |
4384 | /* Canonicalize subtraction of const to addition of negated const. */ |
4385 | if (op == Expr_Op_Type_Sub && y->type == Expr_Node_Constant) | |
4386 | { | |
4387 | op = Expr_Op_Type_Add; | |
4388 | y->value.i_value = -y->value.i_value; | |
4389 | } | |
c4ae04ce BS |
4390 | if (y->type == Expr_Node_Constant && x->type == Expr_Node_Binop |
4391 | && x->Right_Child->type == Expr_Node_Constant) | |
07c1b327 | 4392 | { |
c4ae04ce BS |
4393 | if (op == x->value.op_value && x->value.op_value == Expr_Op_Type_Add) |
4394 | { | |
4395 | x->Right_Child->value.i_value += y->value.i_value; | |
4396 | return x; | |
4397 | } | |
4398 | } | |
4399 | ||
4400 | /* Create a new expression structure. */ | |
4401 | val.op_value = op; | |
4402 | return Expr_Node_Create (Expr_Node_Binop, val, x, y); | |
07c1b327 CM |
4403 | } |
4404 | ||
4405 | static Expr_Node * | |
4406 | unary (Expr_Op_Type op, Expr_Node *x) | |
4407 | { | |
4408 | if (x->type == Expr_Node_Constant) | |
4409 | { | |
4410 | switch (op) | |
4411 | { | |
4412 | case Expr_Op_Type_NEG: | |
4413 | x->value.i_value = -x->value.i_value; | |
4414 | break; | |
4415 | case Expr_Op_Type_COMP: | |
4416 | x->value.i_value = ~x->value.i_value; | |
4417 | break; | |
4418 | default: | |
39cd1c76 | 4419 | error ("%s:%d: Internal compiler error\n", __FILE__, __LINE__); |
07c1b327 CM |
4420 | } |
4421 | return x; | |
4422 | } | |
4423 | else | |
4424 | { | |
4425 | /* Create a new expression structure. */ | |
4426 | Expr_Node_Value val; | |
4427 | val.op_value = op; | |
4428 | return Expr_Node_Create (Expr_Node_Unop, val, x, NULL); | |
4429 | } | |
4430 | } | |
4431 | ||
4432 | int debug_codeselection = 0; | |
4433 | static void | |
4434 | notethat (char *format, ...) | |
4435 | { | |
4436 | va_list ap; | |
4437 | va_start (ap, format); | |
4438 | if (debug_codeselection) | |
4439 | { | |
4440 | vfprintf (errorf, format, ap); | |
4441 | } | |
4442 | va_end (ap); | |
4443 | } | |
4444 | ||
4445 | #ifdef TEST | |
4446 | main (int argc, char **argv) | |
4447 | { | |
4448 | yyparse(); | |
4449 | } | |
4450 | #endif | |
4451 |