1 /* src/vm/jit/mips/codegen.h - code generation macros and definitions for MIPS
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Andreas Krall
29 $Id: codegen.h 3993 2005-12-22 13:59:41Z twisti $
40 #include "vm/jit/jit.h"
43 /* some defines ***************************************************************/
45 #define PATCHER_CALL_SIZE 2 * 4 /* size in bytes of a patcher call */
48 /* additional functions and macros to generate code ***************************/
50 /* gen_nullptr_check(objreg) */
52 #define gen_nullptr_check(objreg) \
54 M_BEQZ((objreg), 0); \
55 codegen_addxnullrefs(cd, mcodeptr); \
59 #define gen_bound_check \
61 M_ILD(REG_ITMP3, s1, OFFSET(java_arrayheader, size)); \
62 M_CMPULT(s2, REG_ITMP3, REG_ITMP3); \
63 M_BEQZ(REG_ITMP3, 0); \
64 codegen_addxboundrefs(cd, mcodeptr, s2); \
68 #define gen_div_check(r) \
70 codegen_addxdivrefs(cd, mcodeptr); \
74 /* MCODECHECK(icnt) */
76 #define MCODECHECK(icnt) \
77 if ((mcodeptr + (icnt)) > cd->mcodeend) \
78 mcodeptr = codegen_increase(cd, (u1 *) mcodeptr)
81 #define ALIGNCODENOP \
82 if ((int) ((long) mcodeptr & 7)) { \
88 generates an integer-move from register a to b.
89 if a and b are the same int-register, no code will be generated.
92 #define M_INTMOVE(a,b) if (a != b) { M_MOV(a, b); }
96 generates a floating-point-move from register a to b.
97 if a and b are the same float-register, no code will be generated
100 #define M_FLTMOVE(a,b) if (a != b) { M_DMOV(a, b); }
102 #define M_TFLTMOVE(t,a,b) \
105 if ((t) == TYPE_DBL) { \
112 #define M_TFLD(t,a,b,disp) \
113 if ((t) == TYPE_DBL) { \
119 #define M_TFST(t,a,b,disp) \
125 #define M_CCFLTMOVE(t1,t2,a,b) \
127 {M_TFLTMOVE(t1,a,b);} \
129 if ((t1)==TYPE_DBL) \
134 #define M_CCFLD(t1,t2,a,b,disp) \
138 M_DLD(REG_FTMP1,b,disp); \
139 if ((t1)==TYPE_DBL) \
140 {M_CVTDF(REG_FTMP1,a);} \
142 {M_CVTFD(REG_FTMP1,a);} \
145 #define M_CCFST(t1,t2,a,b,disp) \
149 if ((t1)==TYPE_DBL) \
150 {M_CVTDF(a,REG_FTMP1);} \
152 {M_CVTFD(a,REG_FTMP1);} \
153 M_DST(REG_FTMP1,b,disp); \
158 this function generates code to fetch data from a pseudo-register
159 into a real register.
160 If the pseudo-register has actually been assigned to a real
161 register, no code will be emitted, since following operations
162 can use this register directly.
164 v: pseudoregister to be fetched from
165 tempregnum: temporary register to be used if v is actually spilled to ram
167 return: the register number, where the operand can be found after
168 fetching (this wil be either tempregnum or the register
169 number allready given to v)
172 #define var_to_reg_int(regnr,v,tempnr) { \
173 if ((v)->flags & INMEMORY) { \
175 M_LLD(tempnr, REG_SP, 8 * (v)->regoff); \
177 } else regnr = (v)->regoff; \
181 #define var_to_reg_flt(regnr,v,tempnr) { \
182 if ((v)->flags & INMEMORY) { \
184 M_DLD(tempnr, REG_SP, 8 * (v)->regoff); \
186 } else regnr = (v)->regoff; \
190 /* store_reg_to_var_xxx:
191 This function generates the code to store the result of an operation
192 back into a spilled pseudo-variable.
193 If the pseudo-variable has not been spilled in the first place, this
194 function will generate nothing.
196 v ............ Pseudovariable
197 tempregnum ... Number of the temporary registers as returned by
201 #define store_reg_to_var_int(sptr, tempregnum) { \
202 if ((sptr)->flags & INMEMORY) { \
204 M_LST(tempregnum, REG_SP, 8 * (sptr)->regoff); \
208 #define store_reg_to_var_flt(sptr, tempregnum) { \
209 if ((sptr)->flags & INMEMORY) { \
211 M_DST(tempregnum, REG_SP, 8 * (sptr)->regoff); \
216 #define M_COPY(from,to) \
217 d = reg_of_var(rd, to, REG_IFTMP); \
218 if ((from->regoff != to->regoff) || \
219 ((from->flags ^ to->flags) & INMEMORY)) { \
220 if (IS_FLT_DBL_TYPE(from->type)) { \
221 var_to_reg_flt(s1, from, d); \
222 M_TFLTMOVE(from->type, s1, d); \
223 store_reg_to_var_flt(to, d); \
225 var_to_reg_int(s1, from, d); \
227 store_reg_to_var_int(to, d); \
232 #define ICONST(r,c) \
233 if ((c) >= -32768 && (c) <= 32767) { \
234 M_IADD_IMM(REG_ZERO, (c), (r)); \
235 } else if ((c) >= 0 && (c) <= 0xffff) { \
236 M_OR_IMM(REG_ZERO, (c), (r)); \
238 disp = dseg_adds4(cd, (c)); \
239 M_ILD((r), REG_PV, disp); \
242 #define LCONST(r,c) \
243 if ((c) >= -32768 && (c) <= 32767) { \
244 M_LADD_IMM(REG_ZERO, (c), (r)); \
245 } else if ((c) >= 0 && (c) <= 0xffff) { \
246 M_OR_IMM(REG_ZERO, (c), (r)); \
248 disp = dseg_adds8(cd, (c)); \
249 M_LLD((r), REG_PV, disp); \
253 /* macros to create code ******************************************************/
255 /* code generation macros operands:
257 fu ..... function-number
258 rs ..... register number source 1
259 rt ..... register number or constant integer source 2
260 rd ..... register number destination
261 imm .... immediate/offset
262 sa ..... shift amount
266 #define M_ITYPE(op,rs,rt,imm) \
267 *(mcodeptr++) = (((op) << 26) | ((rs) << 21) | ((rt) << 16) | ((imm) & 0xffff))
269 #define M_JTYPE(op,imm) \
270 *(mcodeptr++) = (((op) << 26) | ((off) & 0x3ffffff))
272 #define M_RTYPE(op,rs,rt,rd,sa,fu) \
273 *(mcodeptr++) = (((op) << 26) | ((rs) << 21) | ((rt) << 16) | ((rd) << 11) | ((sa) << 6) | (fu))
275 #define M_FP2(fu, fmt, fs, fd) M_RTYPE(0x11, fmt, 0, fs, fd, fu)
276 #define M_FP3(fu, fmt, fs, ft, fd) M_RTYPE(0x11, fmt, ft, fs, fd, fu)
284 /* macros for all used commands (see a MIPS-manual for description) ***********/
286 /* load/store macros use the form OPERATION(source/dest, base, offset) */
288 #define M_LDA(a,b,disp) \
290 s4 lo = (short) (disp); \
291 s4 hi = (short) (((disp) - lo) >> 16); \
293 M_AADD_IMM(b,lo,a); \
295 M_LUI(REG_ITMP3,hi); \
296 M_AADD_IMM(REG_ITMP3,lo,REG_ITMP3); \
297 M_AADD(REG_ITMP3,b,a); \
301 #define M_BLDS(a,b,disp) M_ITYPE(0x20,b,a,disp) /* 8 load */
302 #define M_BLDU(a,b,disp) M_ITYPE(0x24,b,a,disp) /* 8 load */
303 #define M_SLDS(a,b,disp) M_ITYPE(0x21,b,a,disp) /* 16 load */
304 #define M_SLDU(a,b,disp) M_ITYPE(0x25,b,a,disp) /* 16 load */
306 #define M_ILD_INTERN(a,b,disp) M_ITYPE(0x23,b,a,disp) /* 32 load */
307 #define M_LLD_INTERN(a,b,disp) M_ITYPE(0x37,b,a,disp) /* 64 load */
309 #define M_ILD(a,b,disp) \
311 s4 lo = (short) (disp); \
312 s4 hi = (short) (((disp) - lo) >> 16); \
314 M_ILD_INTERN(a,b,lo); \
318 M_ILD_INTERN(a,a,lo); \
322 #define M_LLD(a,b,disp) \
324 s4 lo = (short) (disp); \
325 s4 hi = (short) (((disp) - lo) >> 16); \
327 M_LLD_INTERN(a,b,lo); \
331 M_LLD_INTERN(a,a,lo); \
335 #define M_BST(a,b,disp) M_ITYPE(0x28,b,a,disp) /* 8 store */
336 #define M_SST(a,b,disp) M_ITYPE(0x29,b,a,disp) /* 16 store */
338 #define M_IST_INTERN(a,b,disp) M_ITYPE(0x2b,b,a,disp) /* 32 store */
339 #define M_LST_INTERN(a,b,disp) M_ITYPE(0x3f,b,a,disp) /* 64 store */
341 #define M_IST(a,b,disp) \
343 s4 lo = (short) (disp); \
344 s4 hi = (short) (((disp) - lo) >> 16); \
346 M_IST_INTERN(a,b,lo); \
348 M_LUI(REG_ITMP3, hi); \
349 M_AADD(b, REG_ITMP3, REG_ITMP3); \
350 M_IST_INTERN(a,REG_ITMP3,lo); \
354 #define M_LST(a,b,disp) \
356 s4 lo = (short) (disp); \
357 s4 hi = (short) (((disp) - lo) >> 16); \
359 M_LST_INTERN(a,b,lo); \
361 M_LUI(REG_ITMP3, hi); \
362 M_AADD(b, REG_ITMP3, REG_ITMP3); \
363 M_LST_INTERN(a,REG_ITMP3,lo); \
367 #define M_FLD_INTERN(a,b,disp) M_ITYPE(0x31,b,a,disp) /* load flt */
368 #define M_DLD_INTERN(a,b,disp) M_ITYPE(0x35,b,a,disp) /* load dbl */
370 #define M_FLD(a,b,disp) \
372 s4 lo = (short) (disp); \
373 s4 hi = (short) (((disp) - lo) >> 16); \
375 M_FLD_INTERN(a,b,lo); \
377 M_LUI(REG_ITMP3,hi); \
378 M_AADD(b,REG_ITMP3,REG_ITMP3); \
379 M_FLD_INTERN(a,REG_ITMP3,lo); \
383 #define M_DLD(a,b,disp) \
385 s4 lo = (short) (disp); \
386 s4 hi = (short) (((disp) - lo) >> 16); \
388 M_DLD_INTERN(a,b,lo); \
390 M_LUI(REG_ITMP3,hi); \
391 M_AADD(b,REG_ITMP3,REG_ITMP3); \
392 M_DLD_INTERN(a,REG_ITMP3,lo); \
396 #define M_FST_INTERN(a,b,disp) M_ITYPE(0x39,b,a,disp) /* store flt */
397 #define M_DST_INTERN(a,b,disp) M_ITYPE(0x3d,b,a,disp) /* store dbl */
399 #define M_FST(a,b,disp) \
401 s4 lo = (short) (disp); \
402 s4 hi = (short) (((disp) - lo) >> 16); \
404 M_FST_INTERN(a,b,lo); \
406 M_LUI(REG_ITMP3, hi); \
407 M_AADD(b, REG_ITMP3, REG_ITMP3); \
408 M_FST_INTERN(a,REG_ITMP3,lo); \
412 #define M_DST(a,b,disp) \
414 s4 lo = (short) (disp); \
415 s4 hi = (short) (((disp) - lo) >> 16); \
417 M_DST_INTERN(a,b,lo); \
419 M_LUI(REG_ITMP3, hi); \
420 M_AADD(b, REG_ITMP3, REG_ITMP3); \
421 M_DST_INTERN(a,REG_ITMP3,lo); \
425 #define M_BEQ(a,b,disp) M_ITYPE(0x04,a,b,disp) /* br a == b */
426 #define M_BNE(a,b,disp) M_ITYPE(0x05,a,b,disp) /* br a != b */
427 #define M_BEQZ(a,disp) M_ITYPE(0x04,a,0,disp) /* br a == 0 */
428 #define M_BLTZ(a,disp) M_ITYPE(0x01,a,0,disp) /* br a < 0 */
429 #define M_BLEZ(a,disp) M_ITYPE(0x06,a,0,disp) /* br a <= 0 */
430 #define M_BNEZ(a,disp) M_ITYPE(0x05,a,0,disp) /* br a != 0 */
431 #define M_BGEZ(a,disp) M_ITYPE(0x01,a,1,disp) /* br a >= 0 */
432 #define M_BGTZ(a,disp) M_ITYPE(0x07,a,0,disp) /* br a > 0 */
434 #define M_BEQL(a,b,disp) M_ITYPE(0x14,a,b,disp) /* br a == b */
435 #define M_BNEL(a,b,disp) M_ITYPE(0x15,a,b,disp) /* br a != b */
436 #define M_BEQZL(a,disp) M_ITYPE(0x14,a,0,disp) /* br a == 0 */
437 #define M_BLTZL(a,disp) M_ITYPE(0x01,a,2,disp) /* br a < 0 */
438 #define M_BLEZL(a,disp) M_ITYPE(0x16,a,0,disp) /* br a <= 0 */
439 #define M_BNEZL(a,disp) M_ITYPE(0x15,a,0,disp) /* br a != 0 */
440 #define M_BGEZL(a,disp) M_ITYPE(0x01,a,3,disp) /* br a >= 0 */
441 #define M_BGTZL(a,disp) M_ITYPE(0x17,a,0,disp) /* br a > 0 */
443 #define M_BR(disp) M_ITYPE(0x04,0,0,disp) /* branch */
444 #define M_BRS(disp) M_ITYPE(0x01,0,17,disp) /* branch sbr */
446 #define M_JMP(a) M_RTYPE(0,a,0,0,0,0x08) /* jump */
447 #define M_JSR(r,a) M_RTYPE(0,a,0,r,0,0x09) /* call */
448 #define M_RET(a) M_RTYPE(0,a,0,0,0,0x08) /* return */
450 #define M_TGE(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x30) /* trp a >= b */
451 #define M_TGEU(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x31) /* trp a >= b */
452 #define M_TLT(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x32) /* trp a < b */
453 #define M_TLTU(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x33) /* trp a < b */
454 #define M_TEQ(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x34) /* trp a == b */
455 #define M_TNE(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x36) /* trp a != b */
456 #define M_TLE(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x30) /* trp a <= b */
457 #define M_TLEU(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x31) /* trp a <= b */
458 #define M_TGT(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x32) /* trp a > b */
459 #define M_TGTU(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x33) /* trp a > b */
461 #define M_TGE_IMM(a,b) M_ITYPE(1,a,0x08,b) /* trp a >= b */
462 #define M_TGEU_IMM(a,b) M_ITYPE(1,a,0x09,b) /* trp a >= b */
463 #define M_TLT_IMM(a,b) M_ITYPE(1,a,0x0a,b) /* trp a < b */
464 #define M_TLTU_IMM(a,b) M_ITYPE(1,a,0x0b,b) /* trp a < b */
465 #define M_TEQ_IMM(a,b) M_ITYPE(1,a,0x0c,b) /* trp a == b */
466 #define M_TNE_IMM(a,b) M_ITYPE(1,a,0x0e,b) /* trp a != b */
468 #define M_TGT_IMM(a,b) M_ITYPE(1,a,0x08,b+1) /* trp a > b */
469 #define M_TGTU_IMM(a,b) M_ITYPE(1,a,0x09,b+1) /* trp a > b */
470 #define M_TLE_IMM(a,b) M_ITYPE(1,a,0x0a,b+1) /* trp a <= b */
471 #define M_TLEU_IMM(a,b) M_ITYPE(1,a,0x0b,b+1) /* trp a <= b */
474 /* arithmetic macros use the form OPERATION(source, source/immediate, dest) */
476 #define M_IADD(a,b,c) M_RTYPE(0,a,b,c,0,0x21) /* 32 add */
477 #define M_LADD(a,b,c) M_RTYPE(0,a,b,c,0,0x2d) /* 64 add */
478 #define M_ISUB(a,b,c) M_RTYPE(0,a,b,c,0,0x23) /* 32 sub */
479 #define M_LSUB(a,b,c) M_RTYPE(0,a,b,c,0,0x2f) /* 64 sub */
480 #define M_IMUL(a,b) M_ITYPE(0,a,b,0x18) /* 32 mul */
481 #define M_LMUL(a,b) M_ITYPE(0,a,b,0x1c) /* 64 mul */
482 #define M_IDIV(a,b) M_ITYPE(0,a,b,0x1a) /* 32 div */
483 #define M_LDIV(a,b) M_ITYPE(0,a,b,0x1e) /* 64 div */
485 #define M_MFLO(a) M_RTYPE(0,0,0,a,0,0x12) /* quotient */
486 #define M_MFHI(a) M_RTYPE(0,0,0,a,0,0x10) /* remainder */
488 #define M_IADD_IMM(a,b,c) M_ITYPE(0x09,a,c,b) /* 32 add */
489 #define M_LADD_IMM(a,b,c) M_ITYPE(0x19,a,c,b) /* 64 add */
490 #define M_ISUB_IMM(a,b,c) M_ITYPE(0x09,a,c,-(b)) /* 32 sub */
491 #define M_LSUB_IMM(a,b,c) M_ITYPE(0x19,a,c,-(b)) /* 64 sub */
493 #define M_LUI(a,imm) M_ITYPE(0x0f,0,a,imm) /* a = imm<<16*/
495 #define M_CMPLT(a,b,c) M_RTYPE(0,a,b,c,0,0x2a) /* c = a < b */
496 #define M_CMPGT(a,b,c) M_RTYPE(0,b,a,c,0,0x2a) /* c = a > b */
498 #define M_CMPULT(a,b,c) M_RTYPE(0,a,b,c,0,0x2b) /* c = a < b */
499 #define M_CMPUGT(a,b,c) M_RTYPE(0,b,a,c,0,0x2b) /* c = a > b */
501 #define M_CMPLT_IMM(a,b,c) M_ITYPE(0x0a,a,c,b) /* c = a < b */
502 #define M_CMPULT_IMM(a,b,c) M_ITYPE(0x0b,a,c,b) /* c = a < b */
504 #define M_AND(a,b,c) M_RTYPE(0,a,b,c,0,0x24) /* c = a & b */
505 #define M_OR( a,b,c) M_RTYPE(0,a,b,c,0,0x25) /* c = a | b */
506 #define M_XOR(a,b,c) M_RTYPE(0,a,b,c,0,0x26) /* c = a ^ b */
508 #define M_AND_IMM(a,b,c) M_ITYPE(0x0c,a,c,b) /* c = a & b */
509 #define M_OR_IMM( a,b,c) M_ITYPE(0x0d,a,c,b) /* c = a | b */
510 #define M_XOR_IMM(a,b,c) M_ITYPE(0x0e,a,c,b) /* c = a ^ b */
512 #define M_CZEXT(a,c) M_AND_IMM(a,0xffff,c) /* c = zext(a)*/
514 #define M_ISLL(a,b,c) M_RTYPE(0,b,a,c,0,0x04) /* c = a << b */
515 #define M_ISRL(a,b,c) M_RTYPE(0,b,a,c,0,0x06) /* c = a >>>b */
516 #define M_ISRA(a,b,c) M_RTYPE(0,b,a,c,0,0x07) /* c = a >> b */
517 #define M_LSLL(a,b,c) M_RTYPE(0,b,a,c,0,0x14) /* c = a << b */
518 #define M_LSRL(a,b,c) M_RTYPE(0,b,a,c,0,0x16) /* c = a >>>b */
519 #define M_LSRA(a,b,c) M_RTYPE(0,b,a,c,0,0x17) /* c = a >> b */
521 #define M_ISLL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x00) /* c = a << b */
522 #define M_ISRL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x02) /* c = a >>>b */
523 #define M_ISRA_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x03) /* c = a >> b */
524 #define M_LSLL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x38+((b)>>3&4)) /*c = a << b*/
525 #define M_LSRL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x3a+((b)>>3&4)) /*c = a >>>b*/
526 #define M_LSRA_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x3b+((b)>>3&4)) /*c = a >> b*/
528 #define M_MOV(a,c) M_OR(a,0,c) /* c = a */
529 #define M_CLR(c) M_OR(0,0,c) /* c = 0 */
530 #define M_NOP M_ISLL_IMM(0,0,0) /* ; */
532 /* floating point macros use the form OPERATION(source, source, dest) */
534 #define M_FADD(a,b,c) M_FP3(0x00,FMT_F,a,b,c) /* flt add */
535 #define M_DADD(a,b,c) M_FP3(0x00,FMT_D,a,b,c) /* dbl add */
536 #define M_FSUB(a,b,c) M_FP3(0x01,FMT_F,a,b,c) /* flt sub */
537 #define M_DSUB(a,b,c) M_FP3(0x01,FMT_D,a,b,c) /* dbl sub */
538 #define M_FMUL(a,b,c) M_FP3(0x02,FMT_F,a,b,c) /* flt mul */
539 #define M_DMUL(a,b,c) M_FP3(0x02,FMT_D,a,b,c) /* dbl mul */
540 #define M_FDIV(a,b,c) M_FP3(0x03,FMT_F,a,b,c) /* flt div */
541 #define M_DDIV(a,b,c) M_FP3(0x03,FMT_D,a,b,c) /* dbl div */
543 #define M_FSQRT(a,c) M_FP2(0x04,FMT_F,a,c) /* flt sqrt */
544 #define M_DSQRT(a,c) M_FP2(0x04,FMT_D,a,c) /* dbl sqrt */
545 #define M_FABS(a,c) M_FP2(0x05,FMT_F,a,c) /* flt abs */
546 #define M_DABS(a,c) M_FP2(0x05,FMT_D,a,c) /* dbl abs */
547 #define M_FMOV(a,c) M_FP2(0x06,FMT_F,a,c) /* flt mov */
548 #define M_DMOV(a,c) M_FP2(0x06,FMT_D,a,c) /* dbl mov */
549 #define M_FNEG(a,c) M_FP2(0x07,FMT_F,a,c) /* flt neg */
550 #define M_DNEG(a,c) M_FP2(0x07,FMT_D,a,c) /* dbl neg */
552 #define M_ROUNDFI(a,c) M_FP2(0x0c,FMT_F,a,c) /* flt roundi */
553 #define M_ROUNDDI(a,c) M_FP2(0x0c,FMT_D,a,c) /* dbl roundi */
554 #define M_TRUNCFI(a,c) M_FP2(0x0d,FMT_F,a,c) /* flt trunci */
555 #define M_TRUNCDI(a,c) M_FP2(0x0d,FMT_D,a,c) /* dbl trunci */
556 #define M_CEILFI(a,c) M_FP2(0x0e,FMT_F,a,c) /* flt ceili */
557 #define M_CEILDI(a,c) M_FP2(0x0e,FMT_D,a,c) /* dbl ceili */
558 #define M_FLOORFI(a,c) M_FP2(0x0f,FMT_F,a,c) /* flt trunci */
559 #define M_FLOORDI(a,c) M_FP2(0x0f,FMT_D,a,c) /* dbl trunci */
561 #define M_ROUNDFL(a,c) M_FP2(0x08,FMT_F,a,c) /* flt roundl */
562 #define M_ROUNDDL(a,c) M_FP2(0x08,FMT_D,a,c) /* dbl roundl */
563 #define M_TRUNCFL(a,c) M_FP2(0x09,FMT_F,a,c) /* flt truncl */
564 #define M_TRUNCDL(a,c) M_FP2(0x09,FMT_D,a,c) /* dbl truncl */
565 #define M_CEILFL(a,c) M_FP2(0x0a,FMT_F,a,c) /* flt ceill */
566 #define M_CEILDL(a,c) M_FP2(0x0a,FMT_D,a,c) /* dbl ceill */
567 #define M_FLOORFL(a,c) M_FP2(0x0b,FMT_F,a,c) /* flt truncl */
568 #define M_FLOORDL(a,c) M_FP2(0x0b,FMT_D,a,c) /* dbl truncl */
570 #define M_CVTDF(a,c) M_FP2(0x20,FMT_D,a,c) /* dbl2flt */
571 #define M_CVTIF(a,c) M_FP2(0x20,FMT_I,a,c) /* int2flt */
572 #define M_CVTLF(a,c) M_FP2(0x20,FMT_L,a,c) /* long2flt */
573 #define M_CVTFD(a,c) M_FP2(0x21,FMT_F,a,c) /* flt2dbl */
574 #define M_CVTID(a,c) M_FP2(0x21,FMT_I,a,c) /* int2dbl */
575 #define M_CVTLD(a,c) M_FP2(0x21,FMT_L,a,c) /* long2dbl */
576 #define M_CVTFI(a,c) M_FP2(0x24,FMT_F,a,c) /* flt2int */
577 #define M_CVTDI(a,c) M_FP2(0x24,FMT_D,a,c) /* dbl2int */
578 #define M_CVTFL(a,c) M_FP2(0x25,FMT_F,a,c) /* flt2long */
579 #define M_CVTDL(a,c) M_FP2(0x25,FMT_D,a,c) /* dbl2long */
581 #define M_MOVDI(d,i) M_FP3(0,0,d,i,0) /* i = d */
582 #define M_MOVDL(d,l) M_FP3(0,1,d,l,0) /* l = d */
583 #define M_MOVID(i,d) M_FP3(0,4,d,i,0) /* d = i */
584 #define M_MOVLD(l,d) M_FP3(0,5,d,l,0) /* d = l */
586 #define M_DMFC1(l,f) M_FP3(0,1,f,l,0)
587 #define M_DMTC1(l,f) M_FP3(0,5,f,l,0)
589 #define M_FCMPFF(a,b) M_FP3(0x30,FMT_F,a,b,0) /* c = a == b */
590 #define M_FCMPFD(a,b) M_FP3(0x30,FMT_D,a,b,0) /* c = a == b */
591 #define M_FCMPUNF(a,b) M_FP3(0x31,FMT_F,a,b,0) /* c = a == b */
592 #define M_FCMPUND(a,b) M_FP3(0x31,FMT_D,a,b,0) /* c = a == b */
593 #define M_FCMPEQF(a,b) M_FP3(0x32,FMT_F,a,b,0) /* c = a == b */
594 #define M_FCMPEQD(a,b) M_FP3(0x32,FMT_D,a,b,0) /* c = a == b */
595 #define M_FCMPUEQF(a,b) M_FP3(0x33,FMT_F,a,b,0) /* c = a == b */
596 #define M_FCMPUEQD(a,b) M_FP3(0x33,FMT_D,a,b,0) /* c = a == b */
597 #define M_FCMPOLTF(a,b) M_FP3(0x34,FMT_F,a,b,0) /* c = a < b */
598 #define M_FCMPOLTD(a,b) M_FP3(0x34,FMT_D,a,b,0) /* c = a < b */
599 #define M_FCMPULTF(a,b) M_FP3(0x35,FMT_F,a,b,0) /* c = a < b */
600 #define M_FCMPULTD(a,b) M_FP3(0x35,FMT_D,a,b,0) /* c = a < b */
601 #define M_FCMPOLEF(a,b) M_FP3(0x36,FMT_F,a,b,0) /* c = a <= b */
602 #define M_FCMPOLED(a,b) M_FP3(0x36,FMT_D,a,b,0) /* c = a <= b */
603 #define M_FCMPULEF(a,b) M_FP3(0x37,FMT_F,a,b,0) /* c = a <= b */
604 #define M_FCMPULED(a,b) M_FP3(0x37,FMT_D,a,b,0) /* c = a <= b */
606 #define M_FBF(disp) M_ITYPE(0x11,8,0,disp) /* br false */
607 #define M_FBT(disp) M_ITYPE(0x11,8,1,disp) /* br true */
608 #define M_FBFL(disp) M_ITYPE(0x11,8,2,disp) /* br false */
609 #define M_FBTL(disp) M_ITYPE(0x11,8,3,disp) /* br true */
611 #define M_CMOVF(a,b) M_RTYPE(0x00,a,0,b,0,1)
612 #define M_CMOVT(a,b) M_RTYPE(0x00,a,1,b,0,1)
616 * Load Address pseudo instruction:
617 * -n32 addressing mode -> 32 bit addrs, -64 addressing mode -> 64 bit addrs
619 #if SIZEOF_VOID_P == 8
621 #define POINTERSHIFT 3
623 #define M_ALD_INTERN(a,b,disp) M_LLD_INTERN(a,b,disp)
624 #define M_ALD(a,b,disp) M_LLD(a,b,disp)
625 #define M_AST_INTERN(a,b,disp) M_LST_INTERN(a,b,disp)
626 #define M_AST(a,b,disp) M_LST(a,b,disp)
627 #define M_AADD(a,b,c) M_LADD(a,b,c)
628 #define M_AADD_IMM(a,b,c) M_LADD_IMM(a,b,c)
629 #define M_ASUB_IMM(a,b,c) M_LSUB_IMM(a,b,c)
630 #define M_ASLL_IMM(a,b,c) M_LSLL_IMM(a,b,c)
632 #else /* SIZEOF_VOID_P == 8 */
634 #define POINTERSHIFT 2
636 #define M_ALD_INTERN(a,b,disp) M_ILD_INTERN(a,b,disp)
637 #define M_ALD(a,b,disp) M_ILD(a,b,disp)
638 #define M_AST_INTERN(a,b,disp) M_IST_INTERN(a,b,disp)
639 #define M_AST(a,b,disp) M_IST(a,b,disp)
640 #define M_AADD(a,b,c) M_IADD(a,b,c)
641 #define M_AADD_IMM(a,b,c) M_IADD_IMM(a,b,c)
642 #define M_ASUB_IMM(a,b,c) M_ISUB_IMM(a,b,c)
643 #define M_ASLL_IMM(a,b,c) M_ISLL_IMM(a,b,c)
645 #endif /* SIZEOF_VOID_P == 8 */
648 /* function gen_resolvebranch **************************************************
650 backpatches a branch instruction; MIPS branch instructions are very
651 regular, so it is only necessary to overwrite some fixed bits in the
654 parameters: ip ... pointer to instruction after branch (void*)
655 so ... offset of instruction after branch (s4)
656 to ... offset of branch target (s4)
658 *******************************************************************************/
660 #define gen_resolvebranch(ip,so,to) \
664 offset = ((s4) (to) - (so)) >> 2; \
666 /* On the MIPS we can only branch signed 16-bit instruction words */ \
667 /* (signed 18-bit = 32KB = +/- 16KB). Check this! */ \
669 if ((offset < (s4) 0xffff8000) || (offset > (s4) 0x00007fff)) { \
670 throw_cacao_exception_exit(string_java_lang_InternalError, \
671 "Jump offset is out of range: %d > +/-%d", \
672 offset, 0x00007fff); \
675 ((s4 *) (ip))[-1] |= (offset & 0x0000ffff); \
679 /* function prototypes ********************************************************/
681 void docacheflush(u1 *p, long bytelen);
683 #endif /* _CODEGEN_H */
687 * These are local overrides for various environment variables in Emacs.
688 * Please do not remove this and leave it at the end of the file, where
689 * Emacs will automagically detect them.
690 * ---------------------------------------------------------------------
693 * indent-tabs-mode: t