CACAO
codegen.hpp
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1 /* src/vm/jit/alpha/codegen.hpp - code generation macros and definitions for Alpha
2 
3  Copyright (C) 1996-2013
4  CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
5  Copyright (C) 2008 Theobroma Systems Ltd.
6 
7  This file is part of CACAO.
8 
9  This program is free software; you can redistribute it and/or
10  modify it under the terms of the GNU General Public License as
11  published by the Free Software Foundation; either version 2, or (at
12  your option) any later version.
13 
14  This program is distributed in the hope that it will be useful, but
15  WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  General Public License for more details.
18 
19  You should have received a copy of the GNU General Public License
20  along with this program; if not, write to the Free Software
21  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22  02110-1301, USA.
23 
24 */
25 
26 
27 #ifndef CODEGEN_HPP_
28 #define CODEGEN_HPP_ 1
29 
30 #include "config.h"
31 #include "vm/types.hpp"
32 
33 #include "vm/jit/jit.hpp"
34 
35 
36 /* additional functions and macros to generate code ***************************/
37 
38 #define gen_bound_check \
39  if (checkbounds) { \
40  M_ILD(REG_ITMP3, s1, OFFSET(java_arrayheader, size));\
41  M_CMPULT(s2, REG_ITMP3, REG_ITMP3);\
42  M_BEQZ(REG_ITMP3, 0);\
43  codegen_add_arrayindexoutofboundsexception_ref(cd, s2); \
44  }
45 
46 
47 /* MCODECHECK(icnt) */
48 
49 #define MCODECHECK(icnt) \
50  do { \
51  if ((cd->mcodeptr + (icnt) * 4) > cd->mcodeend) \
52  codegen_increase(cd); \
53  } while (0)
54 
55 
56 #define ALIGNCODENOP \
57  if ((s4) ((ptrint) cd->mcodeptr & 7)) { \
58  M_NOP; \
59  }
60 
61 
62 #define ICONST(d,c) emit_iconst(cd, (d), (c))
63 #define LCONST(d,c) emit_lconst(cd, (d), (c))
64 
65 
66 /* branch defines *************************************************************/
67 
68 #define BRANCH_NOPS \
69  do { \
70  M_NOP; \
71  } while (0)
72 
73 
74 /* patcher defines ************************************************************/
75 
76 #define PATCHER_CALL_SIZE 1 * 4 /* an instruction is 4-bytes long */
77 
78 #define PATCHER_NOPS \
79  do { \
80  M_NOP; \
81  } while (0)
82 
83 
84 /* macros to create code ******************************************************/
85 
86 /* M_MEM - memory instruction format *******************************************
87 
88  Opcode ........ opcode
89  Ra ............ source/target register for memory access
90  Rb ............ base register
91  Memory_disp ... memory displacement (16 bit signed) to be added to Rb
92 
93 *******************************************************************************/
94 
95 #define M_MEM(Opcode,Ra,Rb,Memory_disp) \
96  do { \
97  *((uint32_t *) cd->mcodeptr) = ((((Opcode)) << 26) | ((Ra) << 21) | ((Rb) << 16) | ((Memory_disp) & 0xffff)); \
98  cd->mcodeptr += 4; \
99  } while (0)
100 
101 #define M_MEM_GET_Opcode(x) ( (((x) >> 26) & 0x3f ))
102 #define M_MEM_GET_Ra(x) ( (((x) >> 21) & 0x1f ))
103 #define M_MEM_GET_Rb(x) ( (((x) >> 16) & 0x1f ))
104 #define M_MEM_GET_Memory_disp(x) ((int16_t) ( (x) & 0xffff))
105 
106 
107 /* M_BRA - branch instruction format *******************************************
108 
109  Opcode ........ opcode
110  Ra ............ register to be tested
111  Branch_disp ... relative address to be jumped to (divided by 4)
112 
113 *******************************************************************************/
114 
115 #define M_BRA(Opcode,Ra,Branch_disp) \
116  do { \
117  *((uint32_t *) cd->mcodeptr) = ((((Opcode)) << 26) | ((Ra) << 21) | ((Branch_disp) & 0x1fffff)); \
118  cd->mcodeptr += 4; \
119  } while (0)
120 
121 
122 #define REG 0
123 #define CONST 1
124 
125 /* 3-address-operations: M_OP3
126  op ..... opcode
127  fu ..... function-number
128  a ..... register number source 1
129  b ..... register number or constant integer source 2
130  c ..... register number destination
131  const .. switch to use b as constant integer
132  (REG means: use b as register number)
133  (CONST means: use b as constant 8-bit-integer)
134 */
135 
136 #define M_OP3(op,fu,a,b,c,const) \
137  do { \
138  *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 26) | ((a) << 21) | ((b) << (16 - 3 * (const))) | ((const) << 12) | ((fu) << 5) | ((c))); \
139  cd->mcodeptr += 4; \
140  } while (0)
141 
142 #define M_OP3_GET_Opcode(x) ( (((x) >> 26) & 0x3f ))
143 
144 
145 /* 3-address-floating-point-operation: M_FOP3
146  op .... opcode
147  fu .... function-number
148  a,b ... source floating-point registers
149  c ..... destination register
150 */
151 
152 #define M_FOP3(op,fu,a,b,c) \
153  do { \
154  *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 26) | ((a) << 21) | ((b) << 16) | ((fu) << 5) | (c)); \
155  cd->mcodeptr += 4; \
156  } while (0)
157 
158 
159 /* macros for all used commands (see an Alpha-manual for description) *********/
160 
161 #define M_LDA_INTERN(a,b,disp) M_MEM(0x08,a,b,disp) /* low const */
162 
163 #define M_LDA(a,b,disp) \
164  do { \
165  s4 lo = (short) (disp); \
166  s4 hi = (short) (((disp) - lo) >> 16); \
167  if (hi == 0) { \
168  M_LDA_INTERN(a,b,lo); \
169  } else { \
170  M_LDAH(a,b,hi); \
171  M_LDA_INTERN(a,a,lo); \
172  } \
173  } while (0)
174 
175 #define M_LDAH(a,b,disp) M_MEM (0x09,a,b,disp) /* high const */
176 
177 #define M_BLDU(a,b,disp) M_MEM (0x0a,a,b,disp) /* 8 load */
178 #define M_SLDU(a,b,disp) M_MEM (0x0c,a,b,disp) /* 16 load */
179 
180 #define M_ILD_INTERN(a,b,disp) M_MEM(0x28,a,b,disp) /* 32 load */
181 #define M_LLD_INTERN(a,b,disp) M_MEM(0x29,a,b,disp) /* 64 load */
182 
183 #define M_ILD(a,b,disp) \
184  do { \
185  s4 lo = (short) (disp); \
186  s4 hi = (short) (((disp) - lo) >> 16); \
187  if (hi == 0) { \
188  M_ILD_INTERN(a,b,lo); \
189  } else { \
190  M_LDAH(a,b,hi); \
191  M_ILD_INTERN(a,a,lo); \
192  } \
193  } while (0)
194 
195 #define M_LLD(a,b,disp) \
196  do { \
197  s4 lo = (short) (disp); \
198  s4 hi = (short) (((disp) - lo) >> 16); \
199  if (hi == 0) { \
200  M_LLD_INTERN(a,b,lo); \
201  } else { \
202  M_LDAH(a,b,hi); \
203  M_LLD_INTERN(a,a,lo); \
204  } \
205  } while (0)
206 
207 #define M_ALD_INTERN(a,b,disp) M_LLD_INTERN(a,b,disp)
208 #define M_ALD(a,b,disp) M_LLD(a,b,disp) /* addr load */
209 #define M_ALD_DSEG(a,disp) M_LLD(a,REG_PV,disp)
210 
211 #define M_BST(a,b,disp) M_MEM(0x0e,a,b,disp) /* 8 store */
212 #define M_SST(a,b,disp) M_MEM(0x0d,a,b,disp) /* 16 store */
213 
214 #define M_IST_INTERN(a,b,disp) M_MEM(0x2c,a,b,disp) /* 32 store */
215 #define M_LST_INTERN(a,b,disp) M_MEM(0x2d,a,b,disp) /* 64 store */
216 
217 /* Stores with displacement overflow should only happen with PUTFIELD or on */
218 /* the stack. The PUTFIELD instruction does not use REG_ITMP3 and a */
219 /* reg_of_var call should not use REG_ITMP3!!! */
220 
221 #define M_IST(a,b,disp) \
222  do { \
223  s4 lo = (short) (disp); \
224  s4 hi = (short) (((disp) - lo) >> 16); \
225  if (hi == 0) { \
226  M_IST_INTERN(a,b,lo); \
227  } else { \
228  M_LDAH(REG_ITMP3,b,hi); \
229  M_IST_INTERN(a,REG_ITMP3,lo); \
230  } \
231  } while (0)
232 
233 #define M_LST(a,b,disp) \
234  do { \
235  s4 lo = (short) (disp); \
236  s4 hi = (short) (((disp) - lo) >> 16); \
237  if (hi == 0) { \
238  M_LST_INTERN(a,b,lo); \
239  } else { \
240  M_LDAH(REG_ITMP3,b,hi); \
241  M_LST_INTERN(a,REG_ITMP3,lo); \
242  } \
243  } while (0)
244 
245 #define M_AST(a,b,disp) M_LST(a,b,disp) /* addr store */
246 
247 #define M_BSEXT(b,c) M_OP3 (0x1c,0x0,REG_ZERO,b,c,0) /* 8 signext */
248 #define M_SSEXT(b,c) M_OP3 (0x1c,0x1,REG_ZERO,b,c,0) /* 16 signext */
249 
250 #define M_BR(disp) M_BRA (0x30,REG_ZERO,disp) /* branch */
251 #define M_BSR(ra,disp) M_BRA (0x34,ra,disp) /* branch sbr */
252 #define M_BEQZ(a,disp) M_BRA (0x39,a,disp) /* br a == 0 */
253 #define M_BLTZ(a,disp) M_BRA (0x3a,a,disp) /* br a < 0 */
254 #define M_BLEZ(a,disp) M_BRA (0x3b,a,disp) /* br a <= 0 */
255 #define M_BNEZ(a,disp) M_BRA (0x3d,a,disp) /* br a != 0 */
256 #define M_BGEZ(a,disp) M_BRA (0x3e,a,disp) /* br a >= 0 */
257 #define M_BGTZ(a,disp) M_BRA (0x3f,a,disp) /* br a > 0 */
258 
259 #define M_JMP(a,b) M_MEM (0x1a,a,b,0x0000) /* jump */
260 #define M_JSR(a,b) M_MEM (0x1a,a,b,0x4000) /* call sbr */
261 #define M_RET(a,b) M_MEM (0x1a,a,b,0x8000) /* return */
262 
263 #define M_IADD(a,b,c) M_OP3 (0x10,0x0, a,b,c,0) /* 32 add */
264 #define M_LADD(a,b,c) M_OP3 (0x10,0x20, a,b,c,0) /* 64 add */
265 #define M_ISUB(a,b,c) M_OP3 (0x10,0x09, a,b,c,0) /* 32 sub */
266 #define M_LSUB(a,b,c) M_OP3 (0x10,0x29, a,b,c,0) /* 64 sub */
267 #define M_IMUL(a,b,c) M_OP3 (0x13,0x00, a,b,c,0) /* 32 mul */
268 #define M_LMUL(a,b,c) M_OP3 (0x13,0x20, a,b,c,0) /* 64 mul */
269 
270 #define M_IADD_IMM(a,b,c) M_OP3 (0x10,0x0, a,b,c,1) /* 32 add */
271 #define M_LADD_IMM(a,b,c) M_OP3 (0x10,0x20, a,b,c,1) /* 64 add */
272 #define M_ISUB_IMM(a,b,c) M_OP3 (0x10,0x09, a,b,c,1) /* 32 sub */
273 #define M_LSUB_IMM(a,b,c) M_OP3 (0x10,0x29, a,b,c,1) /* 64 sub */
274 #define M_IMUL_IMM(a,b,c) M_OP3 (0x13,0x00, a,b,c,1) /* 32 mul */
275 #define M_LMUL_IMM(a,b,c) M_OP3 (0x13,0x20, a,b,c,1) /* 64 mul */
276 
277 #define M_AADD_IMM(a,b,c) M_LADD_IMM(a,b,c)
278 #define M_ASUB_IMM(a,b,c) M_LSUB_IMM(a,b,c)
279 
280 #define M_CMPEQ(a,b,c) M_OP3 (0x10,0x2d, a,b,c,0) /* c = a == b */
281 #define M_CMPLT(a,b,c) M_OP3 (0x10,0x4d, a,b,c,0) /* c = a < b */
282 #define M_CMPLE(a,b,c) M_OP3 (0x10,0x6d, a,b,c,0) /* c = a <= b */
283 
284 #define M_CMPULE(a,b,c) M_OP3 (0x10,0x3d, a,b,c,0) /* c = a <= b */
285 #define M_CMPULT(a,b,c) M_OP3 (0x10,0x1d, a,b,c,0) /* c = a <= b */
286 
287 #define M_CMPEQ_IMM(a,b,c) M_OP3 (0x10,0x2d, a,b,c,1) /* c = a == b */
288 #define M_CMPLT_IMM(a,b,c) M_OP3 (0x10,0x4d, a,b,c,1) /* c = a < b */
289 #define M_CMPLE_IMM(a,b,c) M_OP3 (0x10,0x6d, a,b,c,1) /* c = a <= b */
290 
291 #define M_CMPULE_IMM(a,b,c) M_OP3 (0x10,0x3d, a,b,c,1) /* c = a <= b */
292 #define M_CMPULT_IMM(a,b,c) M_OP3 (0x10,0x1d, a,b,c,1) /* c = a <= b */
293 
294 #define M_AND(a,b,c) M_OP3 (0x11,0x00, a,b,c,0) /* c = a & b */
295 #define M_OR( a,b,c) M_OP3 (0x11,0x20, a,b,c,0) /* c = a | b */
296 #define M_XOR(a,b,c) M_OP3 (0x11,0x40, a,b,c,0) /* c = a ^ b */
297 
298 #define M_AND_IMM(a,b,c) M_OP3 (0x11,0x00, a,b,c,1) /* c = a & b */
299 #define M_OR_IMM( a,b,c) M_OP3 (0x11,0x20, a,b,c,1) /* c = a | b */
300 #define M_XOR_IMM(a,b,c) M_OP3 (0x11,0x40, a,b,c,1) /* c = a ^ b */
301 
302 #define M_MOV(a,c) M_OR (a,a,c) /* c = a */
303 #define M_CLR(c) M_OR (31,31,c) /* c = 0 */
304 #define M_NOP M_OR (31,31,31) /* ; */
305 
306 #define M_SLL(a,b,c) M_OP3 (0x12,0x39, a,b,c,0) /* c = a << b */
307 #define M_SRA(a,b,c) M_OP3 (0x12,0x3c, a,b,c,0) /* c = a >> b */
308 #define M_SRL(a,b,c) M_OP3 (0x12,0x34, a,b,c,0) /* c = a >>>b */
309 
310 #define M_SLL_IMM(a,b,c) M_OP3 (0x12,0x39, a,b,c,1) /* c = a << b */
311 #define M_SRA_IMM(a,b,c) M_OP3 (0x12,0x3c, a,b,c,1) /* c = a >> b */
312 #define M_SRL_IMM(a,b,c) M_OP3 (0x12,0x34, a,b,c,1) /* c = a >>>b */
313 
314 #define M_FLD_INTERN(a,b,disp) M_MEM(0x22,a,b,disp) /* load flt */
315 #define M_DLD_INTERN(a,b,disp) M_MEM(0x23,a,b,disp) /* load dbl */
316 
317 #define M_FLD(a,b,disp) \
318  do { \
319  s4 lo = (short) (disp); \
320  s4 hi = (short) (((disp) - lo) >> 16); \
321  if (hi == 0) { \
322  M_FLD_INTERN(a,b,lo); \
323  } else { \
324  M_LDAH(REG_ITMP3,b,hi); \
325  M_FLD_INTERN(a,REG_ITMP3,lo); \
326  } \
327  } while (0)
328 
329 #define M_DLD(a,b,disp) \
330  do { \
331  s4 lo = (short) (disp); \
332  s4 hi = (short) (((disp) - lo) >> 16); \
333  if (hi == 0) { \
334  M_DLD_INTERN(a,b,lo); \
335  } else { \
336  M_LDAH(REG_ITMP3,b,hi); \
337  M_DLD_INTERN(a,REG_ITMP3,lo); \
338  } \
339  } while (0)
340 
341 #define M_FST_INTERN(a,b,disp) M_MEM(0x26,a,b,disp) /* store flt */
342 #define M_DST_INTERN(a,b,disp) M_MEM(0x27,a,b,disp) /* store dbl */
343 
344 /* Stores with displacement overflow should only happen with PUTFIELD or on */
345 /* the stack. The PUTFIELD instruction does not use REG_ITMP3 and a */
346 /* reg_of_var call should not use REG_ITMP3!!! */
347 
348 #define M_FST(a,b,disp) \
349  do { \
350  s4 lo = (short) (disp); \
351  s4 hi = (short) (((disp) - lo) >> 16); \
352  if (hi == 0) { \
353  M_FST_INTERN(a,b,lo); \
354  } else { \
355  M_LDAH(REG_ITMP3,b,hi); \
356  M_FST_INTERN(a,REG_ITMP3,lo); \
357  } \
358  } while (0)
359 
360 #define M_DST(a,b,disp) \
361  do { \
362  s4 lo = (short) (disp); \
363  s4 hi = (short) (((disp) - lo) >> 16); \
364  if (hi == 0) { \
365  M_DST_INTERN(a,b,lo); \
366  } else { \
367  M_LDAH(REG_ITMP3,b,hi); \
368  M_DST_INTERN(a,REG_ITMP3,lo); \
369  } \
370  } while (0)
371 
372 
373 #define M_FADD(a,b,c) M_FOP3 (0x16, 0x080, a,b,c) /* flt add */
374 #define M_DADD(a,b,c) M_FOP3 (0x16, 0x0a0, a,b,c) /* dbl add */
375 #define M_FSUB(a,b,c) M_FOP3 (0x16, 0x081, a,b,c) /* flt sub */
376 #define M_DSUB(a,b,c) M_FOP3 (0x16, 0x0a1, a,b,c) /* dbl sub */
377 #define M_FMUL(a,b,c) M_FOP3 (0x16, 0x082, a,b,c) /* flt mul */
378 #define M_DMUL(a,b,c) M_FOP3 (0x16, 0x0a2, a,b,c) /* dbl mul */
379 #define M_FDIV(a,b,c) M_FOP3 (0x16, 0x083, a,b,c) /* flt div */
380 #define M_DDIV(a,b,c) M_FOP3 (0x16, 0x0a3, a,b,c) /* dbl div */
381 
382 #define M_FADDS(a,b,c) M_FOP3 (0x16, 0x580, a,b,c) /* flt add */
383 #define M_DADDS(a,b,c) M_FOP3 (0x16, 0x5a0, a,b,c) /* dbl add */
384 #define M_FSUBS(a,b,c) M_FOP3 (0x16, 0x581, a,b,c) /* flt sub */
385 #define M_DSUBS(a,b,c) M_FOP3 (0x16, 0x5a1, a,b,c) /* dbl sub */
386 #define M_FMULS(a,b,c) M_FOP3 (0x16, 0x582, a,b,c) /* flt mul */
387 #define M_DMULS(a,b,c) M_FOP3 (0x16, 0x5a2, a,b,c) /* dbl mul */
388 #define M_FDIVS(a,b,c) M_FOP3 (0x16, 0x583, a,b,c) /* flt div */
389 #define M_DDIVS(a,b,c) M_FOP3 (0x16, 0x5a3, a,b,c) /* dbl div */
390 
391 #define M_CVTDF(b,c) M_FOP3 (0x16, 0x0ac, 31,b,c) /* dbl2flt */
392 #define M_CVTLF(b,c) M_FOP3 (0x16, 0x0bc, 31,b,c) /* long2flt */
393 #define M_CVTLD(b,c) M_FOP3 (0x16, 0x0be, 31,b,c) /* long2dbl */
394 #define M_CVTDL(b,c) M_FOP3 (0x16, 0x1af, 31,b,c) /* dbl2long */
395 #define M_CVTDL_C(b,c) M_FOP3 (0x16, 0x12f, 31,b,c) /* dbl2long */
396 #define M_CVTLI(b,c) M_FOP3 (0x17, 0x130, 31,b,c) /* long2int */
397 
398 #define M_CVTDFS(b,c) M_FOP3 (0x16, 0x5ac, 31,b,c) /* dbl2flt */
399 #define M_CVTFDS(b,c) M_FOP3 (0x16, 0x6ac, 31,b,c) /* flt2dbl */
400 #define M_CVTDLS(b,c) M_FOP3 (0x16, 0x5af, 31,b,c) /* dbl2long */
401 #define M_CVTDL_CS(b,c) M_FOP3 (0x16, 0x52f, 31,b,c) /* dbl2long */
402 #define M_CVTLIS(b,c) M_FOP3 (0x17, 0x530, 31,b,c) /* long2int */
403 
404 #define M_FCMPEQ(a,b,c) M_FOP3 (0x16, 0x0a5, a,b,c) /* c = a==b */
405 #define M_FCMPLT(a,b,c) M_FOP3 (0x16, 0x0a6, a,b,c) /* c = a<b */
406 
407 #define M_FCMPEQS(a,b,c) M_FOP3 (0x16, 0x5a5, a,b,c) /* c = a==b */
408 #define M_FCMPLTS(a,b,c) M_FOP3 (0x16, 0x5a6, a,b,c) /* c = a<b */
409 
410 #define M_FMOV(fa,fb) M_FOP3 (0x17, 0x020, fa,fa,fb) /* b = a */
411 #define M_DMOV(fa,fb) M_FMOV (fa,fb)
412 #define M_FMOVN(fa,fb) M_FOP3 (0x17, 0x021, fa,fa,fb) /* b = -a */
413 
414 #define M_FNOP M_FMOV (31,31)
415 
416 #define M_FBEQZ(fa,disp) M_BRA (0x31,fa,disp) /* br a == 0.0*/
417 
418 /* macros for special commands (see an Alpha-manual for description) **********/
419 
420 #define M_TRAPB M_MEM (0x18,0,0,0x0000) /* trap barrier*/
421 
422 #define M_S4ADDL(a,b,c) M_OP3 (0x10,0x02, a,b,c,0) /* c = a*4 + b */
423 #define M_S4ADDQ(a,b,c) M_OP3 (0x10,0x22, a,b,c,0) /* c = a*4 + b */
424 #define M_S4SUBL(a,b,c) M_OP3 (0x10,0x0b, a,b,c,0) /* c = a*4 - b */
425 #define M_S4SUBQ(a,b,c) M_OP3 (0x10,0x2b, a,b,c,0) /* c = a*4 - b */
426 #define M_S8ADDL(a,b,c) M_OP3 (0x10,0x12, a,b,c,0) /* c = a*8 + b */
427 #define M_S8ADDQ(a,b,c) M_OP3 (0x10,0x32, a,b,c,0) /* c = a*8 + b */
428 #define M_S8SUBL(a,b,c) M_OP3 (0x10,0x1b, a,b,c,0) /* c = a*8 - b */
429 #define M_S8SUBQ(a,b,c) M_OP3 (0x10,0x3b, a,b,c,0) /* c = a*8 - b */
430 #define M_SAADDQ(a,b,c) M_S8ADDQ(a,b,c) /* c = a*8 + b */
431 
432 #define M_S4ADDL_IMM(a,b,c) M_OP3 (0x10,0x02, a,b,c,1) /* c = a*4 + b */
433 #define M_S4ADDQ_IMM(a,b,c) M_OP3 (0x10,0x22, a,b,c,1) /* c = a*4 + b */
434 #define M_S4SUBL_IMM(a,b,c) M_OP3 (0x10,0x0b, a,b,c,1) /* c = a*4 - b */
435 #define M_S4SUBQ_IMM(a,b,c) M_OP3 (0x10,0x2b, a,b,c,1) /* c = a*4 - b */
436 #define M_S8ADDL_IMM(a,b,c) M_OP3 (0x10,0x12, a,b,c,1) /* c = a*8 + b */
437 #define M_S8ADDQ_IMM(a,b,c) M_OP3 (0x10,0x32, a,b,c,1) /* c = a*8 + b */
438 #define M_S8SUBL_IMM(a,b,c) M_OP3 (0x10,0x1b, a,b,c,1) /* c = a*8 - b */
439 #define M_S8SUBQ_IMM(a,b,c) M_OP3 (0x10,0x3b, a,b,c,1) /* c = a*8 - b */
440 
441 #define M_LLD_U(a,b,disp) M_MEM (0x0b,a,b,disp) /* unalign ld */
442 #define M_LST_U(a,b,disp) M_MEM (0x0f,a,b,disp) /* unalign st */
443 
444 #define M_ZAP(a,b,c) M_OP3 (0x12,0x30, a,b,c,0)
445 #define M_ZAPNOT(a,b,c) M_OP3 (0x12,0x31, a,b,c,0)
446 
447 #define M_ZAP_IMM(a,b,c) M_OP3 (0x12,0x30, a,b,c,1)
448 #define M_ZAPNOT_IMM(a,b,c) M_OP3 (0x12,0x31, a,b,c,1)
449 
450 #define M_BZEXT(a,b) M_ZAPNOT_IMM(a, 0x01, b) /* 8 zeroext */
451 #define M_CZEXT(a,b) M_ZAPNOT_IMM(a, 0x03, b) /* 16 zeroext */
452 #define M_IZEXT(a,b) M_ZAPNOT_IMM(a, 0x0f, b) /* 32 zeroext */
453 
454 #define M_EXTBL(a,b,c) M_OP3 (0x12,0x06, a,b,c,0)
455 #define M_EXTWL(a,b,c) M_OP3 (0x12,0x16, a,b,c,0)
456 #define M_EXTLL(a,b,c) M_OP3 (0x12,0x26, a,b,c,0)
457 #define M_EXTQL(a,b,c) M_OP3 (0x12,0x36, a,b,c,0)
458 #define M_EXTWH(a,b,c) M_OP3 (0x12,0x5a, a,b,c,0)
459 #define M_EXTLH(a,b,c) M_OP3 (0x12,0x6a, a,b,c,0)
460 #define M_EXTQH(a,b,c) M_OP3 (0x12,0x7a, a,b,c,0)
461 #define M_INSBL(a,b,c) M_OP3 (0x12,0x0b, a,b,c,0)
462 #define M_INSWL(a,b,c) M_OP3 (0x12,0x1b, a,b,c,0)
463 #define M_INSLL(a,b,c) M_OP3 (0x12,0x2b, a,b,c,0)
464 #define M_INSQL(a,b,c) M_OP3 (0x12,0x3b, a,b,c,0)
465 #define M_INSWH(a,b,c) M_OP3 (0x12,0x57, a,b,c,0)
466 #define M_INSLH(a,b,c) M_OP3 (0x12,0x67, a,b,c,0)
467 #define M_INSQH(a,b,c) M_OP3 (0x12,0x77, a,b,c,0)
468 #define M_MSKBL(a,b,c) M_OP3 (0x12,0x02, a,b,c,0)
469 #define M_MSKWL(a,b,c) M_OP3 (0x12,0x12, a,b,c,0)
470 #define M_MSKLL(a,b,c) M_OP3 (0x12,0x22, a,b,c,0)
471 #define M_MSKQL(a,b,c) M_OP3 (0x12,0x32, a,b,c,0)
472 #define M_MSKWH(a,b,c) M_OP3 (0x12,0x52, a,b,c,0)
473 #define M_MSKLH(a,b,c) M_OP3 (0x12,0x62, a,b,c,0)
474 #define M_MSKQH(a,b,c) M_OP3 (0x12,0x72, a,b,c,0)
475 
476 #define M_EXTBL_IMM(a,b,c) M_OP3 (0x12,0x06, a,b,c,1)
477 #define M_EXTWL_IMM(a,b,c) M_OP3 (0x12,0x16, a,b,c,1)
478 #define M_EXTLL_IMM(a,b,c) M_OP3 (0x12,0x26, a,b,c,1)
479 #define M_EXTQL_IMM(a,b,c) M_OP3 (0x12,0x36, a,b,c,1)
480 #define M_EXTWH_IMM(a,b,c) M_OP3 (0x12,0x5a, a,b,c,1)
481 #define M_EXTLH_IMM(a,b,c) M_OP3 (0x12,0x6a, a,b,c,1)
482 #define M_EXTQH_IMM(a,b,c) M_OP3 (0x12,0x7a, a,b,c,1)
483 #define M_INSBL_IMM(a,b,c) M_OP3 (0x12,0x0b, a,b,c,1)
484 #define M_INSWL_IMM(a,b,c) M_OP3 (0x12,0x1b, a,b,c,1)
485 #define M_INSLL_IMM(a,b,c) M_OP3 (0x12,0x2b, a,b,c,1)
486 #define M_INSQL_IMM(a,b,c) M_OP3 (0x12,0x3b, a,b,c,1)
487 #define M_INSWH_IMM(a,b,c) M_OP3 (0x12,0x57, a,b,c,1)
488 #define M_INSLH_IMM(a,b,c) M_OP3 (0x12,0x67, a,b,c,1)
489 #define M_INSQH_IMM(a,b,c) M_OP3 (0x12,0x77, a,b,c,1)
490 #define M_MSKBL_IMM(a,b,c) M_OP3 (0x12,0x02, a,b,c,1)
491 #define M_MSKWL_IMM(a,b,c) M_OP3 (0x12,0x12, a,b,c,1)
492 #define M_MSKLL_IMM(a,b,c) M_OP3 (0x12,0x22, a,b,c,1)
493 #define M_MSKQL_IMM(a,b,c) M_OP3 (0x12,0x32, a,b,c,1)
494 #define M_MSKWH_IMM(a,b,c) M_OP3 (0x12,0x52, a,b,c,1)
495 #define M_MSKLH_IMM(a,b,c) M_OP3 (0x12,0x62, a,b,c,1)
496 #define M_MSKQH_IMM(a,b,c) M_OP3 (0x12,0x72, a,b,c,1)
497 
498 #define M_UMULH(a,b,c) M_OP3 (0x13,0x30, a,b,c,0) /* 64 umulh */
499 
500 #define M_UMULH_IMM(a,b,c) M_OP3 (0x13,0x30, a,b,c,1) /* 64 umulh */
501 
502 #define M_CMOVEQ(a,b,c) M_OP3 (0x11,0x24, a,b,c,0) /* a==0 ? c=b */
503 #define M_CMOVNE(a,b,c) M_OP3 (0x11,0x26, a,b,c,0) /* a!=0 ? c=b */
504 #define M_CMOVLT(a,b,c) M_OP3 (0x11,0x44, a,b,c,0) /* a< 0 ? c=b */
505 #define M_CMOVGE(a,b,c) M_OP3 (0x11,0x46, a,b,c,0) /* a>=0 ? c=b */
506 #define M_CMOVLE(a,b,c) M_OP3 (0x11,0x64, a,b,c,0) /* a<=0 ? c=b */
507 #define M_CMOVGT(a,b,c) M_OP3 (0x11,0x66, a,b,c,0) /* a> 0 ? c=b */
508 
509 #define M_CMOVEQ_IMM(a,b,c) M_OP3 (0x11,0x24, a,b,c,1) /* a==0 ? c=b */
510 #define M_CMOVNE_IMM(a,b,c) M_OP3 (0x11,0x26, a,b,c,1) /* a!=0 ? c=b */
511 #define M_CMOVLT_IMM(a,b,c) M_OP3 (0x11,0x44, a,b,c,1) /* a< 0 ? c=b */
512 #define M_CMOVGE_IMM(a,b,c) M_OP3 (0x11,0x46, a,b,c,1) /* a>=0 ? c=b */
513 #define M_CMOVLE_IMM(a,b,c) M_OP3 (0x11,0x64, a,b,c,1) /* a<=0 ? c=b */
514 #define M_CMOVGT_IMM(a,b,c) M_OP3 (0x11,0x66, a,b,c,1) /* a> 0 ? c=b */
515 
516 // 0x04 seems to be the first undefined instruction which does not
517 // call PALcode.
518 #define M_UNDEFINED M_OP3(0x04, 0, 0, 0, 0, 0)
519 
520 /* macros for unused commands (see an Alpha-manual for description) ***********/
521 
522 #define M_ANDNOT(a,b,c,const) M_OP3 (0x11,0x08, a,b,c,const) /* c = a &~ b */
523 #define M_ORNOT(a,b,c,const) M_OP3 (0x11,0x28, a,b,c,const) /* c = a |~ b */
524 #define M_XORNOT(a,b,c,const) M_OP3 (0x11,0x48, a,b,c,const) /* c = a ^~ b */
525 
526 #define M_CMPBGE(a,b,c,const) M_OP3 (0x10,0x0f, a,b,c,const)
527 
528 #define M_FCMPUN(a,b,c) M_FOP3 (0x16, 0x0a4, a,b,c) /* unordered */
529 #define M_FCMPLE(a,b,c) M_FOP3 (0x16, 0x0a7, a,b,c) /* c = a<=b */
530 
531 #define M_FCMPUNS(a,b,c) M_FOP3 (0x16, 0x5a4, a,b,c) /* unordered */
532 #define M_FCMPLES(a,b,c) M_FOP3 (0x16, 0x5a7, a,b,c) /* c = a<=b */
533 
534 #define M_FBNEZ(fa,disp) M_BRA (0x35,fa,disp)
535 #define M_FBLEZ(fa,disp) M_BRA (0x33,fa,disp)
536 
537 #define M_JMP_CO(a,b) M_MEM (0x1a,a,b,0xc000) /* call cosub */
538 
539 #endif // CODEGEN_HPP_
540 
541 
542 /*
543  * These are local overrides for various environment variables in Emacs.
544  * Please do not remove this and leave it at the end of the file, where
545  * Emacs will automagically detect them.
546  * ---------------------------------------------------------------------
547  * Local variables:
548  * mode: c++
549  * indent-tabs-mode: t
550  * c-basic-offset: 4
551  * tab-width: 4
552  * End:
553  */
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