1 /* src/vm/jit/mips/codegen.h - code generation macros and definitions for MIPS
3 Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, 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., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Andreas Krall
29 $Id: codegen.h 5632 2006-10-02 13:43:15Z edwin $
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 #define gen_nullptr_check(objreg) \
53 codegen_add_nullpointerexception_ref(cd); \
57 #define gen_bound_check \
59 M_ILD(REG_ITMP3, s1, OFFSET(java_arrayheader, size)); \
60 M_CMPULT(s2, REG_ITMP3, REG_ITMP3); \
61 M_BEQZ(REG_ITMP3, 0); \
62 codegen_add_arrayindexoutofboundsexception_ref(cd, s2); \
66 #define gen_div_check(r) \
69 codegen_add_arithmeticexception_ref(cd); \
74 /* MCODECHECK(icnt) */
76 #define MCODECHECK(icnt) \
78 if ((cd->mcodeptr + (icnt) * 4) > cd->mcodeend) \
79 codegen_increase(cd); \
83 #define ALIGNCODENOP \
84 if ((s4) ((ptrint) cd->mcodeptr & 7)) { \
89 #define M_INTMOVE(a,b) if (a != b) { M_MOV(a, b); }
91 #define M_FLTMOVE(a,b) \
97 #define M_DBLMOVE(a,b) \
103 #define ICONST(r,c) emit_iconst(cd, (r), (c))
104 #define LCONST(r,c) emit_lconst(cd, (r), (c))
107 /* macros to create code ******************************************************/
109 /* code generation macros operands:
111 fu ..... function-number
112 rs ..... register number source 1
113 rt ..... register number or constant integer source 2
114 rd ..... register number destination
115 imm .... immediate/offset
116 sa ..... shift amount
120 #define M_ITYPE(op,rs,rt,imm) \
122 *((u4 *) cd->mcodeptr) = (((op) << 26) | ((rs) << 21) | ((rt) << 16) | ((imm) & 0xffff)); \
126 #define M_JTYPE(op,imm) \
128 *((u4 *) cd->mcodeptr) = (((op) << 26) | ((off) & 0x3ffffff)); \
132 #define M_RTYPE(op,rs,rt,rd,sa,fu) \
134 *((u4 *) cd->mcodeptr) = (((op) << 26) | ((rs) << 21) | ((rt) << 16) | ((rd) << 11) | ((sa) << 6) | (fu)); \
138 #define M_FP2(fu, fmt, fs, fd) M_RTYPE(0x11, fmt, 0, fs, fd, fu)
139 #define M_FP3(fu, fmt, fs, ft, fd) M_RTYPE(0x11, fmt, ft, fs, fd, fu)
147 /* macros for all used commands (see a MIPS-manual for description) ***********/
149 /* load/store macros use the form OPERATION(source/dest, base, offset) */
151 #define M_LDA(a,b,disp) \
153 s4 lo = (short) (disp); \
154 s4 hi = (short) (((disp) - lo) >> 16); \
156 M_AADD_IMM(b,lo,a); \
158 M_LUI(REG_ITMP3,hi); \
159 M_AADD_IMM(REG_ITMP3,lo,REG_ITMP3); \
160 M_AADD(REG_ITMP3,b,a); \
164 #define M_BLDS(a,b,disp) M_ITYPE(0x20,b,a,disp) /* 8 load */
165 #define M_BLDU(a,b,disp) M_ITYPE(0x24,b,a,disp) /* 8 load */
166 #define M_SLDS(a,b,disp) M_ITYPE(0x21,b,a,disp) /* 16 load */
167 #define M_SLDU(a,b,disp) M_ITYPE(0x25,b,a,disp) /* 16 load */
169 #define M_ILD_INTERN(a,b,disp) M_ITYPE(0x23,b,a,disp) /* 32 load */
170 #define M_LLD_INTERN(a,b,disp) M_ITYPE(0x37,b,a,disp) /* 64 load */
172 #define M_ILD(a,b,disp) \
174 s4 lo = (short) (disp); \
175 s4 hi = (short) (((disp) - lo) >> 16); \
177 M_ILD_INTERN(a,b,lo); \
181 M_ILD_INTERN(a,a,lo); \
185 #define M_LLD(a,b,disp) \
187 s4 lo = (short) (disp); \
188 s4 hi = (short) (((disp) - lo) >> 16); \
190 M_LLD_INTERN(a,b,lo); \
194 M_LLD_INTERN(a,a,lo); \
198 #define M_BST(a,b,disp) M_ITYPE(0x28,b,a,disp) /* 8 store */
199 #define M_SST(a,b,disp) M_ITYPE(0x29,b,a,disp) /* 16 store */
201 #define M_IST_INTERN(a,b,disp) M_ITYPE(0x2b,b,a,disp) /* 32 store */
202 #define M_LST_INTERN(a,b,disp) M_ITYPE(0x3f,b,a,disp) /* 64 store */
204 #define M_IST(a,b,disp) \
206 s4 lo = (short) (disp); \
207 s4 hi = (short) (((disp) - lo) >> 16); \
209 M_IST_INTERN(a,b,lo); \
211 M_LUI(REG_ITMP3, hi); \
212 M_AADD(b, REG_ITMP3, REG_ITMP3); \
213 M_IST_INTERN(a,REG_ITMP3,lo); \
217 #define M_LST(a,b,disp) \
219 s4 lo = (short) (disp); \
220 s4 hi = (short) (((disp) - lo) >> 16); \
222 M_LST_INTERN(a,b,lo); \
224 M_LUI(REG_ITMP3, hi); \
225 M_AADD(b, REG_ITMP3, REG_ITMP3); \
226 M_LST_INTERN(a,REG_ITMP3,lo); \
230 #define M_FLD_INTERN(a,b,disp) M_ITYPE(0x31,b,a,disp) /* load flt */
231 #define M_DLD_INTERN(a,b,disp) M_ITYPE(0x35,b,a,disp) /* load dbl */
233 #define M_FLD(a,b,disp) \
235 s4 lo = (short) (disp); \
236 s4 hi = (short) (((disp) - lo) >> 16); \
238 M_FLD_INTERN(a,b,lo); \
240 M_LUI(REG_ITMP3,hi); \
241 M_AADD(b,REG_ITMP3,REG_ITMP3); \
242 M_FLD_INTERN(a,REG_ITMP3,lo); \
246 #define M_DLD(a,b,disp) \
248 s4 lo = (short) (disp); \
249 s4 hi = (short) (((disp) - lo) >> 16); \
251 M_DLD_INTERN(a,b,lo); \
253 M_LUI(REG_ITMP3,hi); \
254 M_AADD(b,REG_ITMP3,REG_ITMP3); \
255 M_DLD_INTERN(a,REG_ITMP3,lo); \
259 #define M_FST_INTERN(a,b,disp) M_ITYPE(0x39,b,a,disp) /* store flt */
260 #define M_DST_INTERN(a,b,disp) M_ITYPE(0x3d,b,a,disp) /* store dbl */
262 #define M_FST(a,b,disp) \
264 s4 lo = (short) (disp); \
265 s4 hi = (short) (((disp) - lo) >> 16); \
267 M_FST_INTERN(a,b,lo); \
269 M_LUI(REG_ITMP3, hi); \
270 M_AADD(b, REG_ITMP3, REG_ITMP3); \
271 M_FST_INTERN(a,REG_ITMP3,lo); \
275 #define M_DST(a,b,disp) \
277 s4 lo = (short) (disp); \
278 s4 hi = (short) (((disp) - lo) >> 16); \
280 M_DST_INTERN(a,b,lo); \
282 M_LUI(REG_ITMP3, hi); \
283 M_AADD(b, REG_ITMP3, REG_ITMP3); \
284 M_DST_INTERN(a,REG_ITMP3,lo); \
288 #define M_BEQ(a,b,disp) M_ITYPE(0x04,a,b,disp) /* br a == b */
289 #define M_BNE(a,b,disp) M_ITYPE(0x05,a,b,disp) /* br a != b */
290 #define M_BEQZ(a,disp) M_ITYPE(0x04,a,0,disp) /* br a == 0 */
291 #define M_BLTZ(a,disp) M_ITYPE(0x01,a,0,disp) /* br a < 0 */
292 #define M_BLEZ(a,disp) M_ITYPE(0x06,a,0,disp) /* br a <= 0 */
293 #define M_BNEZ(a,disp) M_ITYPE(0x05,a,0,disp) /* br a != 0 */
294 #define M_BGEZ(a,disp) M_ITYPE(0x01,a,1,disp) /* br a >= 0 */
295 #define M_BGTZ(a,disp) M_ITYPE(0x07,a,0,disp) /* br a > 0 */
297 #define M_BEQL(a,b,disp) M_ITYPE(0x14,a,b,disp) /* br a == b */
298 #define M_BNEL(a,b,disp) M_ITYPE(0x15,a,b,disp) /* br a != b */
299 #define M_BEQZL(a,disp) M_ITYPE(0x14,a,0,disp) /* br a == 0 */
300 #define M_BLTZL(a,disp) M_ITYPE(0x01,a,2,disp) /* br a < 0 */
301 #define M_BLEZL(a,disp) M_ITYPE(0x16,a,0,disp) /* br a <= 0 */
302 #define M_BNEZL(a,disp) M_ITYPE(0x15,a,0,disp) /* br a != 0 */
303 #define M_BGEZL(a,disp) M_ITYPE(0x01,a,3,disp) /* br a >= 0 */
304 #define M_BGTZL(a,disp) M_ITYPE(0x17,a,0,disp) /* br a > 0 */
306 #define M_BR(disp) M_ITYPE(0x04,0,0,disp) /* branch */
307 #define M_BRS(disp) M_ITYPE(0x01,0,17,disp) /* branch sbr */
309 #define M_JMP(a) M_RTYPE(0,a,0,0,0,0x08) /* jump */
310 #define M_JSR(r,a) M_RTYPE(0,a,0,r,0,0x09) /* call */
311 #define M_RET(a) M_RTYPE(0,a,0,0,0,0x08) /* return */
313 #define M_TGE(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x30) /* trp a >= b */
314 #define M_TGEU(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x31) /* trp a >= b */
315 #define M_TLT(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x32) /* trp a < b */
316 #define M_TLTU(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x33) /* trp a < b */
317 #define M_TEQ(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x34) /* trp a == b */
318 #define M_TNE(a,b,code) M_RTYPE(0,a,b,0,code&3ff,0x36) /* trp a != b */
319 #define M_TLE(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x30) /* trp a <= b */
320 #define M_TLEU(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x31) /* trp a <= b */
321 #define M_TGT(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x32) /* trp a > b */
322 #define M_TGTU(a,b,code) M_RTYPE(0,b,a,0,code&3ff,0x33) /* trp a > b */
324 #define M_TGE_IMM(a,b) M_ITYPE(1,a,0x08,b) /* trp a >= b */
325 #define M_TGEU_IMM(a,b) M_ITYPE(1,a,0x09,b) /* trp a >= b */
326 #define M_TLT_IMM(a,b) M_ITYPE(1,a,0x0a,b) /* trp a < b */
327 #define M_TLTU_IMM(a,b) M_ITYPE(1,a,0x0b,b) /* trp a < b */
328 #define M_TEQ_IMM(a,b) M_ITYPE(1,a,0x0c,b) /* trp a == b */
329 #define M_TNE_IMM(a,b) M_ITYPE(1,a,0x0e,b) /* trp a != b */
331 #define M_TGT_IMM(a,b) M_ITYPE(1,a,0x08,b+1) /* trp a > b */
332 #define M_TGTU_IMM(a,b) M_ITYPE(1,a,0x09,b+1) /* trp a > b */
333 #define M_TLE_IMM(a,b) M_ITYPE(1,a,0x0a,b+1) /* trp a <= b */
334 #define M_TLEU_IMM(a,b) M_ITYPE(1,a,0x0b,b+1) /* trp a <= b */
337 /* arithmetic macros use the form OPERATION(source, source/immediate, dest) */
339 #define M_IADD(a,b,c) M_RTYPE(0,a,b,c,0,0x21) /* 32 add */
340 #define M_LADD(a,b,c) M_RTYPE(0,a,b,c,0,0x2d) /* 64 add */
341 #define M_ISUB(a,b,c) M_RTYPE(0,a,b,c,0,0x23) /* 32 sub */
342 #define M_LSUB(a,b,c) M_RTYPE(0,a,b,c,0,0x2f) /* 64 sub */
343 #define M_IMUL(a,b) M_ITYPE(0,a,b,0x18) /* 32 mul */
344 #define M_LMUL(a,b) M_ITYPE(0,a,b,0x1c) /* 64 mul */
345 #define M_IDIV(a,b) M_ITYPE(0,a,b,0x1a) /* 32 div */
346 #define M_LDIV(a,b) M_ITYPE(0,a,b,0x1e) /* 64 div */
348 #define M_MFLO(a) M_RTYPE(0,0,0,a,0,0x12) /* quotient */
349 #define M_MFHI(a) M_RTYPE(0,0,0,a,0,0x10) /* remainder */
351 #define M_IADD_IMM(a,b,c) M_ITYPE(0x09,a,c,b) /* 32 add */
352 #define M_LADD_IMM(a,b,c) M_ITYPE(0x19,a,c,b) /* 64 add */
353 #define M_ISUB_IMM(a,b,c) M_ITYPE(0x09,a,c,-(b)) /* 32 sub */
354 #define M_LSUB_IMM(a,b,c) M_ITYPE(0x19,a,c,-(b)) /* 64 sub */
356 #define M_LUI(a,imm) M_ITYPE(0x0f,0,a,imm) /* a = imm<<16*/
358 #define M_CMPLT(a,b,c) M_RTYPE(0,a,b,c,0,0x2a) /* c = a < b */
359 #define M_CMPGT(a,b,c) M_RTYPE(0,b,a,c,0,0x2a) /* c = a > b */
361 #define M_CMPULT(a,b,c) M_RTYPE(0,a,b,c,0,0x2b) /* c = a < b */
362 #define M_CMPUGT(a,b,c) M_RTYPE(0,b,a,c,0,0x2b) /* c = a > b */
364 #define M_CMPLT_IMM(a,b,c) M_ITYPE(0x0a,a,c,b) /* c = a < b */
365 #define M_CMPULT_IMM(a,b,c) M_ITYPE(0x0b,a,c,b) /* c = a < b */
367 #define M_AND(a,b,c) M_RTYPE(0,a,b,c,0,0x24) /* c = a & b */
368 #define M_OR( a,b,c) M_RTYPE(0,a,b,c,0,0x25) /* c = a | b */
369 #define M_XOR(a,b,c) M_RTYPE(0,a,b,c,0,0x26) /* c = a ^ b */
371 #define M_AND_IMM(a,b,c) M_ITYPE(0x0c,a,c,b) /* c = a & b */
372 #define M_OR_IMM( a,b,c) M_ITYPE(0x0d,a,c,b) /* c = a | b */
373 #define M_XOR_IMM(a,b,c) M_ITYPE(0x0e,a,c,b) /* c = a ^ b */
375 #define M_CZEXT(a,c) M_AND_IMM(a,0xffff,c) /* c = zext(a)*/
377 #define M_ISLL(a,b,c) M_RTYPE(0,b,a,c,0,0x04) /* c = a << b */
378 #define M_ISRL(a,b,c) M_RTYPE(0,b,a,c,0,0x06) /* c = a >>>b */
379 #define M_ISRA(a,b,c) M_RTYPE(0,b,a,c,0,0x07) /* c = a >> b */
380 #define M_LSLL(a,b,c) M_RTYPE(0,b,a,c,0,0x14) /* c = a << b */
381 #define M_LSRL(a,b,c) M_RTYPE(0,b,a,c,0,0x16) /* c = a >>>b */
382 #define M_LSRA(a,b,c) M_RTYPE(0,b,a,c,0,0x17) /* c = a >> b */
384 #define M_ISLL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x00) /* c = a << b */
385 #define M_ISRL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x02) /* c = a >>>b */
386 #define M_ISRA_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x03) /* c = a >> b */
387 #define M_LSLL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x38+((b)>>3&4)) /*c = a << b*/
388 #define M_LSRL_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x3a+((b)>>3&4)) /*c = a >>>b*/
389 #define M_LSRA_IMM(a,b,c) M_RTYPE(0,0,a,c,(b)&31,0x3b+((b)>>3&4)) /*c = a >> b*/
391 #define M_MOV(a,c) M_OR(a,0,c) /* c = a */
392 #define M_CLR(c) M_OR(0,0,c) /* c = 0 */
393 #define M_NOP M_ISLL_IMM(0,0,0) /* ; */
395 /* floating point macros use the form OPERATION(source, source, dest) */
397 #define M_FADD(a,b,c) M_FP3(0x00,FMT_F,a,b,c) /* flt add */
398 #define M_DADD(a,b,c) M_FP3(0x00,FMT_D,a,b,c) /* dbl add */
399 #define M_FSUB(a,b,c) M_FP3(0x01,FMT_F,a,b,c) /* flt sub */
400 #define M_DSUB(a,b,c) M_FP3(0x01,FMT_D,a,b,c) /* dbl sub */
401 #define M_FMUL(a,b,c) M_FP3(0x02,FMT_F,a,b,c) /* flt mul */
402 #define M_DMUL(a,b,c) M_FP3(0x02,FMT_D,a,b,c) /* dbl mul */
403 #define M_FDIV(a,b,c) M_FP3(0x03,FMT_F,a,b,c) /* flt div */
404 #define M_DDIV(a,b,c) M_FP3(0x03,FMT_D,a,b,c) /* dbl div */
406 #define M_FSQRT(a,c) M_FP2(0x04,FMT_F,a,c) /* flt sqrt */
407 #define M_DSQRT(a,c) M_FP2(0x04,FMT_D,a,c) /* dbl sqrt */
408 #define M_FABS(a,c) M_FP2(0x05,FMT_F,a,c) /* flt abs */
409 #define M_DABS(a,c) M_FP2(0x05,FMT_D,a,c) /* dbl abs */
410 #define M_FMOV(a,c) M_FP2(0x06,FMT_F,a,c) /* flt mov */
411 #define M_DMOV(a,c) M_FP2(0x06,FMT_D,a,c) /* dbl mov */
412 #define M_FNEG(a,c) M_FP2(0x07,FMT_F,a,c) /* flt neg */
413 #define M_DNEG(a,c) M_FP2(0x07,FMT_D,a,c) /* dbl neg */
415 #define M_ROUNDFI(a,c) M_FP2(0x0c,FMT_F,a,c) /* flt roundi */
416 #define M_ROUNDDI(a,c) M_FP2(0x0c,FMT_D,a,c) /* dbl roundi */
417 #define M_TRUNCFI(a,c) M_FP2(0x0d,FMT_F,a,c) /* flt trunci */
418 #define M_TRUNCDI(a,c) M_FP2(0x0d,FMT_D,a,c) /* dbl trunci */
419 #define M_CEILFI(a,c) M_FP2(0x0e,FMT_F,a,c) /* flt ceili */
420 #define M_CEILDI(a,c) M_FP2(0x0e,FMT_D,a,c) /* dbl ceili */
421 #define M_FLOORFI(a,c) M_FP2(0x0f,FMT_F,a,c) /* flt trunci */
422 #define M_FLOORDI(a,c) M_FP2(0x0f,FMT_D,a,c) /* dbl trunci */
424 #define M_ROUNDFL(a,c) M_FP2(0x08,FMT_F,a,c) /* flt roundl */
425 #define M_ROUNDDL(a,c) M_FP2(0x08,FMT_D,a,c) /* dbl roundl */
426 #define M_TRUNCFL(a,c) M_FP2(0x09,FMT_F,a,c) /* flt truncl */
427 #define M_TRUNCDL(a,c) M_FP2(0x09,FMT_D,a,c) /* dbl truncl */
428 #define M_CEILFL(a,c) M_FP2(0x0a,FMT_F,a,c) /* flt ceill */
429 #define M_CEILDL(a,c) M_FP2(0x0a,FMT_D,a,c) /* dbl ceill */
430 #define M_FLOORFL(a,c) M_FP2(0x0b,FMT_F,a,c) /* flt truncl */
431 #define M_FLOORDL(a,c) M_FP2(0x0b,FMT_D,a,c) /* dbl truncl */
433 #define M_CVTDF(a,c) M_FP2(0x20,FMT_D,a,c) /* dbl2flt */
434 #define M_CVTIF(a,c) M_FP2(0x20,FMT_I,a,c) /* int2flt */
435 #define M_CVTLF(a,c) M_FP2(0x20,FMT_L,a,c) /* long2flt */
436 #define M_CVTFD(a,c) M_FP2(0x21,FMT_F,a,c) /* flt2dbl */
437 #define M_CVTID(a,c) M_FP2(0x21,FMT_I,a,c) /* int2dbl */
438 #define M_CVTLD(a,c) M_FP2(0x21,FMT_L,a,c) /* long2dbl */
439 #define M_CVTFI(a,c) M_FP2(0x24,FMT_F,a,c) /* flt2int */
440 #define M_CVTDI(a,c) M_FP2(0x24,FMT_D,a,c) /* dbl2int */
441 #define M_CVTFL(a,c) M_FP2(0x25,FMT_F,a,c) /* flt2long */
442 #define M_CVTDL(a,c) M_FP2(0x25,FMT_D,a,c) /* dbl2long */
444 #define M_MOVDI(d,i) M_FP3(0,0,d,i,0) /* i = d */
445 #define M_MOVDL(d,l) M_FP3(0,1,d,l,0) /* l = d */
446 #define M_MOVID(i,d) M_FP3(0,4,d,i,0) /* d = i */
447 #define M_MOVLD(l,d) M_FP3(0,5,d,l,0) /* d = l */
449 #define M_DMFC1(l,f) M_FP3(0,1,f,l,0)
450 #define M_DMTC1(l,f) M_FP3(0,5,f,l,0)
452 #define M_FCMPFF(a,b) M_FP3(0x30,FMT_F,a,b,0) /* c = a == b */
453 #define M_FCMPFD(a,b) M_FP3(0x30,FMT_D,a,b,0) /* c = a == b */
454 #define M_FCMPUNF(a,b) M_FP3(0x31,FMT_F,a,b,0) /* c = a == b */
455 #define M_FCMPUND(a,b) M_FP3(0x31,FMT_D,a,b,0) /* c = a == b */
456 #define M_FCMPEQF(a,b) M_FP3(0x32,FMT_F,a,b,0) /* c = a == b */
457 #define M_FCMPEQD(a,b) M_FP3(0x32,FMT_D,a,b,0) /* c = a == b */
458 #define M_FCMPUEQF(a,b) M_FP3(0x33,FMT_F,a,b,0) /* c = a == b */
459 #define M_FCMPUEQD(a,b) M_FP3(0x33,FMT_D,a,b,0) /* c = a == b */
460 #define M_FCMPOLTF(a,b) M_FP3(0x34,FMT_F,a,b,0) /* c = a < b */
461 #define M_FCMPOLTD(a,b) M_FP3(0x34,FMT_D,a,b,0) /* c = a < b */
462 #define M_FCMPULTF(a,b) M_FP3(0x35,FMT_F,a,b,0) /* c = a < b */
463 #define M_FCMPULTD(a,b) M_FP3(0x35,FMT_D,a,b,0) /* c = a < b */
464 #define M_FCMPOLEF(a,b) M_FP3(0x36,FMT_F,a,b,0) /* c = a <= b */
465 #define M_FCMPOLED(a,b) M_FP3(0x36,FMT_D,a,b,0) /* c = a <= b */
466 #define M_FCMPULEF(a,b) M_FP3(0x37,FMT_F,a,b,0) /* c = a <= b */
467 #define M_FCMPULED(a,b) M_FP3(0x37,FMT_D,a,b,0) /* c = a <= b */
469 #define M_FBF(disp) M_ITYPE(0x11,8,0,disp) /* br false */
470 #define M_FBT(disp) M_ITYPE(0x11,8,1,disp) /* br true */
471 #define M_FBFL(disp) M_ITYPE(0x11,8,2,disp) /* br false */
472 #define M_FBTL(disp) M_ITYPE(0x11,8,3,disp) /* br true */
474 #define M_CMOVF(a,b) M_RTYPE(0x00,a,0,b,0,1)
475 #define M_CMOVT(a,b) M_RTYPE(0x00,a,1,b,0,1)
479 * Load Address pseudo instruction:
480 * -n32 addressing mode -> 32 bit addrs, -64 addressing mode -> 64 bit addrs
482 #if SIZEOF_VOID_P == 8
484 #define POINTERSHIFT 3
486 #define M_ALD_INTERN(a,b,disp) M_LLD_INTERN(a,b,disp)
487 #define M_ALD(a,b,disp) M_LLD(a,b,disp)
488 #define M_AST_INTERN(a,b,disp) M_LST_INTERN(a,b,disp)
489 #define M_AST(a,b,disp) M_LST(a,b,disp)
490 #define M_AADD(a,b,c) M_LADD(a,b,c)
491 #define M_AADD_IMM(a,b,c) M_LADD_IMM(a,b,c)
492 #define M_ASUB_IMM(a,b,c) M_LSUB_IMM(a,b,c)
493 #define M_ASLL_IMM(a,b,c) M_LSLL_IMM(a,b,c)
495 #else /* SIZEOF_VOID_P == 8 */
497 #define POINTERSHIFT 2
499 #define M_ALD_INTERN(a,b,disp) M_ILD_INTERN(a,b,disp)
500 #define M_ALD(a,b,disp) M_ILD(a,b,disp)
501 #define M_AST_INTERN(a,b,disp) M_IST_INTERN(a,b,disp)
502 #define M_AST(a,b,disp) M_IST(a,b,disp)
503 #define M_AADD(a,b,c) M_IADD(a,b,c)
504 #define M_AADD_IMM(a,b,c) M_IADD_IMM(a,b,c)
505 #define M_ASUB_IMM(a,b,c) M_ISUB_IMM(a,b,c)
506 #define M_ASLL_IMM(a,b,c) M_ISLL_IMM(a,b,c)
508 #endif /* SIZEOF_VOID_P == 8 */
511 /* function gen_resolvebranch **************************************************
513 backpatches a branch instruction; MIPS branch instructions are very
514 regular, so it is only necessary to overwrite some fixed bits in the
517 parameters: ip ... pointer to instruction after branch (void*)
518 so ... offset of instruction after branch (s4)
519 to ... offset of branch target (s4)
521 *******************************************************************************/
523 #define gen_resolvebranch(ip,so,to) \
527 offset = ((s4) (to) - (so)) >> 2; \
529 /* On the MIPS we can only branch signed 16-bit instruction words */ \
530 /* (signed 18-bit = 32KB = +/- 16KB). Check this! */ \
532 if ((offset < (s4) 0xffff8000) || (offset > (s4) 0x00007fff)) { \
533 throw_cacao_exception_exit(string_java_lang_InternalError, \
534 "Jump offset is out of range: %d > +/-%d", \
535 offset, 0x00007fff); \
538 ((s4 *) (ip))[-1] |= (offset & 0x0000ffff); \
542 /* function prototypes ********************************************************/
544 void docacheflush(u1 *p, long bytelen);
546 #endif /* _CODEGEN_H */
550 * These are local overrides for various environment variables in Emacs.
551 * Please do not remove this and leave it at the end of the file, where
552 * Emacs will automagically detect them.
553 * ---------------------------------------------------------------------
556 * indent-tabs-mode: t