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