1 /* vm/jit/alpha/codegen.h - code generation macros and definitions for Alpha
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
30 Changes: Christian Thalinger
32 $Id: codegen.h 5071 2006-07-03 13:49:14Z twisti $
43 #include "vm/jit/jit.h"
46 /* additional functions and macros to generate code ***************************/
48 /* gen_nullptr_check(objreg) */
50 #define gen_nullptr_check(objreg) \
52 M_BEQZ((objreg), 0); \
53 codegen_add_nullpointerexception_ref(cd); \
56 #define gen_bound_check \
58 M_ILD(REG_ITMP3, s1, OFFSET(java_arrayheader, size));\
59 M_CMPULT(s2, REG_ITMP3, REG_ITMP3);\
60 M_BEQZ(REG_ITMP3, 0);\
61 codegen_add_arrayindexoutofboundsexception_ref(cd, s2); \
65 /* MCODECHECK(icnt) */
67 #define MCODECHECK(icnt) \
69 if ((cd->mcodeptr + (icnt) * 4) > cd->mcodeend) \
70 codegen_increase(cd); \
74 #define ALIGNCODENOP \
75 if ((s4) ((ptrint) cd->mcodeptr & 7)) { \
81 generates an integer-move from register a to b.
82 if a and b are the same int-register, no code will be generated.
85 #define M_INTMOVE(a,b) \
93 generates a floating-point-move from register a to b.
94 if a and b are the same float-register, no code will be generated
97 #define M_FLTMOVE(a,b) \
104 #define M_COPY(s,d) emit_copy(jd, iptr, (s), (d))
105 #define ICONST(d,c) emit_iconst(cd, (d), (c))
106 #define LCONST(d,c) emit_lconst(cd, (d), (c))
109 /* macros to create code ******************************************************/
114 /* 3-address-operations: M_OP3
116 fu ..... function-number
117 a ..... register number source 1
118 b ..... register number or constant integer source 2
119 c ..... register number destination
120 const .. switch to use b as constant integer
121 (REG means: use b as register number)
122 (CONST means: use b as constant 8-bit-integer)
125 #define M_OP3(op,fu,a,b,c,const) \
127 *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 26) | ((a) << 21) | ((b) << (16 - 3 * (const))) | ((const) << 12) | ((fu) << 5) | ((c))); \
132 /* 3-address-floating-point-operation: M_FOP3
134 fu .... function-number
135 a,b ... source floating-point registers
136 c ..... destination register
139 #define M_FOP3(op,fu,a,b,c) \
141 *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 26) | ((a) << 21) | ((b) << 16) | ((fu) << 5) | (c)); \
146 /* branch instructions: M_BRA
148 a ...... register to be tested
149 disp ... relative address to be jumped to (divided by 4)
152 #define M_BRA(op,a,disp) \
154 *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 26) | ((a) << 21) | ((disp) & 0x1fffff)); \
159 /* memory operations: M_MEM
161 a ...... source/target register for memory access
162 b ...... base register
163 disp ... displacement (16 bit signed) to be added to b
166 #define M_MEM(op,a,b,disp) \
168 *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 26) | ((a) << 21) | ((b) << 16) | ((disp) & 0xffff)); \
173 /* macros for all used commands (see an Alpha-manual for description) *********/
175 #define M_LDA_INTERN(a,b,disp) M_MEM(0x08,a,b,disp) /* low const */
177 #define M_LDA(a,b,disp) \
179 s4 lo = (short) (disp); \
180 s4 hi = (short) (((disp) - lo) >> 16); \
182 M_LDA_INTERN(a,b,lo); \
185 M_LDA_INTERN(a,a,lo); \
189 #define M_LDAH(a,b,disp) M_MEM (0x09,a,b,disp) /* high const */
191 #define M_BLDU(a,b,disp) M_MEM (0x0a,a,b,disp) /* 8 load */
192 #define M_SLDU(a,b,disp) M_MEM (0x0c,a,b,disp) /* 16 load */
194 #define M_ILD_INTERN(a,b,disp) M_MEM(0x28,a,b,disp) /* 32 load */
195 #define M_LLD_INTERN(a,b,disp) M_MEM(0x29,a,b,disp) /* 64 load */
197 #define M_ILD(a,b,disp) \
199 s4 lo = (short) (disp); \
200 s4 hi = (short) (((disp) - lo) >> 16); \
202 M_ILD_INTERN(a,b,lo); \
205 M_ILD_INTERN(a,a,lo); \
209 #define M_LLD(a,b,disp) \
211 s4 lo = (short) (disp); \
212 s4 hi = (short) (((disp) - lo) >> 16); \
214 M_LLD_INTERN(a,b,lo); \
217 M_LLD_INTERN(a,a,lo); \
221 #define M_ALD(a,b,disp) M_LLD(a,b,disp) /* addr load */
223 #define M_BST(a,b,disp) M_MEM(0x0e,a,b,disp) /* 8 store */
224 #define M_SST(a,b,disp) M_MEM(0x0d,a,b,disp) /* 16 store */
226 #define M_IST_INTERN(a,b,disp) M_MEM(0x2c,a,b,disp) /* 32 store */
227 #define M_LST_INTERN(a,b,disp) M_MEM(0x2d,a,b,disp) /* 64 store */
229 /* Stores with displacement overflow should only happen with PUTFIELD or on */
230 /* the stack. The PUTFIELD instruction does not use REG_ITMP3 and a */
231 /* reg_of_var call should not use REG_ITMP3!!! */
233 #define M_IST(a,b,disp) \
235 s4 lo = (short) (disp); \
236 s4 hi = (short) (((disp) - lo) >> 16); \
238 M_IST_INTERN(a,b,lo); \
240 M_LDAH(REG_ITMP3,b,hi); \
241 M_IST_INTERN(a,REG_ITMP3,lo); \
245 #define M_LST(a,b,disp) \
247 s4 lo = (short) (disp); \
248 s4 hi = (short) (((disp) - lo) >> 16); \
250 M_LST_INTERN(a,b,lo); \
252 M_LDAH(REG_ITMP3,b,hi); \
253 M_LST_INTERN(a,REG_ITMP3,lo); \
257 #define M_AST(a,b,disp) M_LST(a,b,disp) /* addr store */
259 #define M_BSEXT(b,c) M_OP3 (0x1c,0x0,REG_ZERO,b,c,0) /* 8 signext */
260 #define M_SSEXT(b,c) M_OP3 (0x1c,0x1,REG_ZERO,b,c,0) /* 16 signext */
262 #define M_BR(disp) M_BRA (0x30,REG_ZERO,disp) /* branch */
263 #define M_BSR(ra,disp) M_BRA (0x34,ra,disp) /* branch sbr */
264 #define M_BEQZ(a,disp) M_BRA (0x39,a,disp) /* br a == 0 */
265 #define M_BLTZ(a,disp) M_BRA (0x3a,a,disp) /* br a < 0 */
266 #define M_BLEZ(a,disp) M_BRA (0x3b,a,disp) /* br a <= 0 */
267 #define M_BNEZ(a,disp) M_BRA (0x3d,a,disp) /* br a != 0 */
268 #define M_BGEZ(a,disp) M_BRA (0x3e,a,disp) /* br a >= 0 */
269 #define M_BGTZ(a,disp) M_BRA (0x3f,a,disp) /* br a > 0 */
271 #define M_JMP(a,b) M_MEM (0x1a,a,b,0x0000) /* jump */
272 #define M_JSR(a,b) M_MEM (0x1a,a,b,0x4000) /* call sbr */
273 #define M_RET(a,b) M_MEM (0x1a,a,b,0x8000) /* return */
275 #define M_IADD(a,b,c) M_OP3 (0x10,0x0, a,b,c,0) /* 32 add */
276 #define M_LADD(a,b,c) M_OP3 (0x10,0x20, a,b,c,0) /* 64 add */
277 #define M_ISUB(a,b,c) M_OP3 (0x10,0x09, a,b,c,0) /* 32 sub */
278 #define M_LSUB(a,b,c) M_OP3 (0x10,0x29, a,b,c,0) /* 64 sub */
279 #define M_IMUL(a,b,c) M_OP3 (0x13,0x00, a,b,c,0) /* 32 mul */
280 #define M_LMUL(a,b,c) M_OP3 (0x13,0x20, a,b,c,0) /* 64 mul */
282 #define M_IADD_IMM(a,b,c) M_OP3 (0x10,0x0, a,b,c,1) /* 32 add */
283 #define M_LADD_IMM(a,b,c) M_OP3 (0x10,0x20, a,b,c,1) /* 64 add */
284 #define M_ISUB_IMM(a,b,c) M_OP3 (0x10,0x09, a,b,c,1) /* 32 sub */
285 #define M_LSUB_IMM(a,b,c) M_OP3 (0x10,0x29, a,b,c,1) /* 64 sub */
286 #define M_IMUL_IMM(a,b,c) M_OP3 (0x13,0x00, a,b,c,1) /* 32 mul */
287 #define M_LMUL_IMM(a,b,c) M_OP3 (0x13,0x20, a,b,c,1) /* 64 mul */
289 #define M_AADD_IMM(a,b,c) M_LADD_IMM(a,b,c)
290 #define M_ASUB_IMM(a,b,c) M_LSUB_IMM(a,b,c)
292 #define M_CMPEQ(a,b,c) M_OP3 (0x10,0x2d, a,b,c,0) /* c = a == b */
293 #define M_CMPLT(a,b,c) M_OP3 (0x10,0x4d, a,b,c,0) /* c = a < b */
294 #define M_CMPLE(a,b,c) M_OP3 (0x10,0x6d, a,b,c,0) /* c = a <= b */
296 #define M_CMPULE(a,b,c) M_OP3 (0x10,0x3d, a,b,c,0) /* c = a <= b */
297 #define M_CMPULT(a,b,c) M_OP3 (0x10,0x1d, a,b,c,0) /* c = a <= b */
299 #define M_CMPEQ_IMM(a,b,c) M_OP3 (0x10,0x2d, a,b,c,1) /* c = a == b */
300 #define M_CMPLT_IMM(a,b,c) M_OP3 (0x10,0x4d, a,b,c,1) /* c = a < b */
301 #define M_CMPLE_IMM(a,b,c) M_OP3 (0x10,0x6d, a,b,c,1) /* c = a <= b */
303 #define M_CMPULE_IMM(a,b,c) M_OP3 (0x10,0x3d, a,b,c,1) /* c = a <= b */
304 #define M_CMPULT_IMM(a,b,c) M_OP3 (0x10,0x1d, a,b,c,1) /* c = a <= b */
306 #define M_AND(a,b,c) M_OP3 (0x11,0x00, a,b,c,0) /* c = a & b */
307 #define M_OR( a,b,c) M_OP3 (0x11,0x20, a,b,c,0) /* c = a | b */
308 #define M_XOR(a,b,c) M_OP3 (0x11,0x40, a,b,c,0) /* c = a ^ b */
310 #define M_AND_IMM(a,b,c) M_OP3 (0x11,0x00, a,b,c,1) /* c = a & b */
311 #define M_OR_IMM( a,b,c) M_OP3 (0x11,0x20, a,b,c,1) /* c = a | b */
312 #define M_XOR_IMM(a,b,c) M_OP3 (0x11,0x40, a,b,c,1) /* c = a ^ b */
314 #define M_MOV(a,c) M_OR (a,a,c) /* c = a */
315 #define M_CLR(c) M_OR (31,31,c) /* c = 0 */
316 #define M_NOP M_OR (31,31,31) /* ; */
318 #define M_SLL(a,b,c) M_OP3 (0x12,0x39, a,b,c,0) /* c = a << b */
319 #define M_SRA(a,b,c) M_OP3 (0x12,0x3c, a,b,c,0) /* c = a >> b */
320 #define M_SRL(a,b,c) M_OP3 (0x12,0x34, a,b,c,0) /* c = a >>>b */
322 #define M_SLL_IMM(a,b,c) M_OP3 (0x12,0x39, a,b,c,1) /* c = a << b */
323 #define M_SRA_IMM(a,b,c) M_OP3 (0x12,0x3c, a,b,c,1) /* c = a >> b */
324 #define M_SRL_IMM(a,b,c) M_OP3 (0x12,0x34, a,b,c,1) /* c = a >>>b */
326 #define M_FLD_INTERN(a,b,disp) M_MEM(0x22,a,b,disp) /* load flt */
327 #define M_DLD_INTERN(a,b,disp) M_MEM(0x23,a,b,disp) /* load dbl */
329 #define M_FLD(a,b,disp) \
331 s4 lo = (short) (disp); \
332 s4 hi = (short) (((disp) - lo) >> 16); \
334 M_FLD_INTERN(a,b,lo); \
336 M_LDAH(REG_ITMP3,b,hi); \
337 M_FLD_INTERN(a,REG_ITMP3,lo); \
341 #define M_DLD(a,b,disp) \
343 s4 lo = (short) (disp); \
344 s4 hi = (short) (((disp) - lo) >> 16); \
346 M_DLD_INTERN(a,b,lo); \
348 M_LDAH(REG_ITMP3,b,hi); \
349 M_DLD_INTERN(a,REG_ITMP3,lo); \
353 #define M_FST_INTERN(a,b,disp) M_MEM(0x26,a,b,disp) /* store flt */
354 #define M_DST_INTERN(a,b,disp) M_MEM(0x27,a,b,disp) /* store dbl */
356 /* Stores with displacement overflow should only happen with PUTFIELD or on */
357 /* the stack. The PUTFIELD instruction does not use REG_ITMP3 and a */
358 /* reg_of_var call should not use REG_ITMP3!!! */
360 #define M_FST(a,b,disp) \
362 s4 lo = (short) (disp); \
363 s4 hi = (short) (((disp) - lo) >> 16); \
365 M_FST_INTERN(a,b,lo); \
367 M_LDAH(REG_ITMP3,b,hi); \
368 M_FST_INTERN(a,REG_ITMP3,lo); \
372 #define M_DST(a,b,disp) \
374 s4 lo = (short) (disp); \
375 s4 hi = (short) (((disp) - lo) >> 16); \
377 M_DST_INTERN(a,b,lo); \
379 M_LDAH(REG_ITMP3,b,hi); \
380 M_DST_INTERN(a,REG_ITMP3,lo); \
385 #define M_FADD(a,b,c) M_FOP3 (0x16, 0x080, a,b,c) /* flt add */
386 #define M_DADD(a,b,c) M_FOP3 (0x16, 0x0a0, a,b,c) /* dbl add */
387 #define M_FSUB(a,b,c) M_FOP3 (0x16, 0x081, a,b,c) /* flt sub */
388 #define M_DSUB(a,b,c) M_FOP3 (0x16, 0x0a1, a,b,c) /* dbl sub */
389 #define M_FMUL(a,b,c) M_FOP3 (0x16, 0x082, a,b,c) /* flt mul */
390 #define M_DMUL(a,b,c) M_FOP3 (0x16, 0x0a2, a,b,c) /* dbl mul */
391 #define M_FDIV(a,b,c) M_FOP3 (0x16, 0x083, a,b,c) /* flt div */
392 #define M_DDIV(a,b,c) M_FOP3 (0x16, 0x0a3, a,b,c) /* dbl div */
394 #define M_FADDS(a,b,c) M_FOP3 (0x16, 0x580, a,b,c) /* flt add */
395 #define M_DADDS(a,b,c) M_FOP3 (0x16, 0x5a0, a,b,c) /* dbl add */
396 #define M_FSUBS(a,b,c) M_FOP3 (0x16, 0x581, a,b,c) /* flt sub */
397 #define M_DSUBS(a,b,c) M_FOP3 (0x16, 0x5a1, a,b,c) /* dbl sub */
398 #define M_FMULS(a,b,c) M_FOP3 (0x16, 0x582, a,b,c) /* flt mul */
399 #define M_DMULS(a,b,c) M_FOP3 (0x16, 0x5a2, a,b,c) /* dbl mul */
400 #define M_FDIVS(a,b,c) M_FOP3 (0x16, 0x583, a,b,c) /* flt div */
401 #define M_DDIVS(a,b,c) M_FOP3 (0x16, 0x5a3, a,b,c) /* dbl div */
403 #define M_CVTDF(b,c) M_FOP3 (0x16, 0x0ac, 31,b,c) /* dbl2flt */
404 #define M_CVTLF(b,c) M_FOP3 (0x16, 0x0bc, 31,b,c) /* long2flt */
405 #define M_CVTLD(b,c) M_FOP3 (0x16, 0x0be, 31,b,c) /* long2dbl */
406 #define M_CVTDL(b,c) M_FOP3 (0x16, 0x1af, 31,b,c) /* dbl2long */
407 #define M_CVTDL_C(b,c) M_FOP3 (0x16, 0x12f, 31,b,c) /* dbl2long */
408 #define M_CVTLI(b,c) M_FOP3 (0x17, 0x130, 31,b,c) /* long2int */
410 #define M_CVTDFS(b,c) M_FOP3 (0x16, 0x5ac, 31,b,c) /* dbl2flt */
411 #define M_CVTFDS(b,c) M_FOP3 (0x16, 0x6ac, 31,b,c) /* flt2dbl */
412 #define M_CVTDLS(b,c) M_FOP3 (0x16, 0x5af, 31,b,c) /* dbl2long */
413 #define M_CVTDL_CS(b,c) M_FOP3 (0x16, 0x52f, 31,b,c) /* dbl2long */
414 #define M_CVTLIS(b,c) M_FOP3 (0x17, 0x530, 31,b,c) /* long2int */
416 #define M_FCMPEQ(a,b,c) M_FOP3 (0x16, 0x0a5, a,b,c) /* c = a==b */
417 #define M_FCMPLT(a,b,c) M_FOP3 (0x16, 0x0a6, a,b,c) /* c = a<b */
419 #define M_FCMPEQS(a,b,c) M_FOP3 (0x16, 0x5a5, a,b,c) /* c = a==b */
420 #define M_FCMPLTS(a,b,c) M_FOP3 (0x16, 0x5a6, a,b,c) /* c = a<b */
422 #define M_FMOV(fa,fb) M_FOP3 (0x17, 0x020, fa,fa,fb) /* b = a */
423 #define M_FMOVN(fa,fb) M_FOP3 (0x17, 0x021, fa,fa,fb) /* b = -a */
425 #define M_FNOP M_FMOV (31,31)
427 #define M_FBEQZ(fa,disp) M_BRA (0x31,fa,disp) /* br a == 0.0*/
429 /* macros for special commands (see an Alpha-manual for description) **********/
431 #define M_TRAPB M_MEM (0x18,0,0,0x0000) /* trap barrier*/
433 #define M_S4ADDL(a,b,c) M_OP3 (0x10,0x02, a,b,c,0) /* c = a*4 + b */
434 #define M_S4ADDQ(a,b,c) M_OP3 (0x10,0x22, a,b,c,0) /* c = a*4 + b */
435 #define M_S4SUBL(a,b,c) M_OP3 (0x10,0x0b, a,b,c,0) /* c = a*4 - b */
436 #define M_S4SUBQ(a,b,c) M_OP3 (0x10,0x2b, a,b,c,0) /* c = a*4 - b */
437 #define M_S8ADDL(a,b,c) M_OP3 (0x10,0x12, a,b,c,0) /* c = a*8 + b */
438 #define M_S8ADDQ(a,b,c) M_OP3 (0x10,0x32, a,b,c,0) /* c = a*8 + b */
439 #define M_S8SUBL(a,b,c) M_OP3 (0x10,0x1b, a,b,c,0) /* c = a*8 - b */
440 #define M_S8SUBQ(a,b,c) M_OP3 (0x10,0x3b, a,b,c,0) /* c = a*8 - b */
441 #define M_SAADDQ(a,b,c) M_S8ADDQ(a,b,c) /* c = a*8 + b */
443 #define M_S4ADDL_IMM(a,b,c) M_OP3 (0x10,0x02, a,b,c,1) /* c = a*4 + b */
444 #define M_S4ADDQ_IMM(a,b,c) M_OP3 (0x10,0x22, a,b,c,1) /* c = a*4 + b */
445 #define M_S4SUBL_IMM(a,b,c) M_OP3 (0x10,0x0b, a,b,c,1) /* c = a*4 - b */
446 #define M_S4SUBQ_IMM(a,b,c) M_OP3 (0x10,0x2b, a,b,c,1) /* c = a*4 - b */
447 #define M_S8ADDL_IMM(a,b,c) M_OP3 (0x10,0x12, a,b,c,1) /* c = a*8 + b */
448 #define M_S8ADDQ_IMM(a,b,c) M_OP3 (0x10,0x32, a,b,c,1) /* c = a*8 + b */
449 #define M_S8SUBL_IMM(a,b,c) M_OP3 (0x10,0x1b, a,b,c,1) /* c = a*8 - b */
450 #define M_S8SUBQ_IMM(a,b,c) M_OP3 (0x10,0x3b, a,b,c,1) /* c = a*8 - b */
452 #define M_LLD_U(a,b,disp) M_MEM (0x0b,a,b,disp) /* unalign ld */
453 #define M_LST_U(a,b,disp) M_MEM (0x0f,a,b,disp) /* unalign st */
455 #define M_ZAP(a,b,c) M_OP3 (0x12,0x30, a,b,c,0)
456 #define M_ZAPNOT(a,b,c) M_OP3 (0x12,0x31, a,b,c,0)
458 #define M_ZAP_IMM(a,b,c) M_OP3 (0x12,0x30, a,b,c,1)
459 #define M_ZAPNOT_IMM(a,b,c) M_OP3 (0x12,0x31, a,b,c,1)
461 #define M_BZEXT(a,b) M_ZAPNOT_IMM(a, 0x01, b) /* 8 zeroext */
462 #define M_CZEXT(a,b) M_ZAPNOT_IMM(a, 0x03, b) /* 16 zeroext */
463 #define M_IZEXT(a,b) M_ZAPNOT_IMM(a, 0x0f, b) /* 32 zeroext */
465 #define M_EXTBL(a,b,c) M_OP3 (0x12,0x06, a,b,c,0)
466 #define M_EXTWL(a,b,c) M_OP3 (0x12,0x16, a,b,c,0)
467 #define M_EXTLL(a,b,c) M_OP3 (0x12,0x26, a,b,c,0)
468 #define M_EXTQL(a,b,c) M_OP3 (0x12,0x36, a,b,c,0)
469 #define M_EXTWH(a,b,c) M_OP3 (0x12,0x5a, a,b,c,0)
470 #define M_EXTLH(a,b,c) M_OP3 (0x12,0x6a, a,b,c,0)
471 #define M_EXTQH(a,b,c) M_OP3 (0x12,0x7a, a,b,c,0)
472 #define M_INSBL(a,b,c) M_OP3 (0x12,0x0b, a,b,c,0)
473 #define M_INSWL(a,b,c) M_OP3 (0x12,0x1b, a,b,c,0)
474 #define M_INSLL(a,b,c) M_OP3 (0x12,0x2b, a,b,c,0)
475 #define M_INSQL(a,b,c) M_OP3 (0x12,0x3b, a,b,c,0)
476 #define M_INSWH(a,b,c) M_OP3 (0x12,0x57, a,b,c,0)
477 #define M_INSLH(a,b,c) M_OP3 (0x12,0x67, a,b,c,0)
478 #define M_INSQH(a,b,c) M_OP3 (0x12,0x77, a,b,c,0)
479 #define M_MSKBL(a,b,c) M_OP3 (0x12,0x02, a,b,c,0)
480 #define M_MSKWL(a,b,c) M_OP3 (0x12,0x12, a,b,c,0)
481 #define M_MSKLL(a,b,c) M_OP3 (0x12,0x22, a,b,c,0)
482 #define M_MSKQL(a,b,c) M_OP3 (0x12,0x32, a,b,c,0)
483 #define M_MSKWH(a,b,c) M_OP3 (0x12,0x52, a,b,c,0)
484 #define M_MSKLH(a,b,c) M_OP3 (0x12,0x62, a,b,c,0)
485 #define M_MSKQH(a,b,c) M_OP3 (0x12,0x72, a,b,c,0)
487 #define M_EXTBL_IMM(a,b,c) M_OP3 (0x12,0x06, a,b,c,1)
488 #define M_EXTWL_IMM(a,b,c) M_OP3 (0x12,0x16, a,b,c,1)
489 #define M_EXTLL_IMM(a,b,c) M_OP3 (0x12,0x26, a,b,c,1)
490 #define M_EXTQL_IMM(a,b,c) M_OP3 (0x12,0x36, a,b,c,1)
491 #define M_EXTWH_IMM(a,b,c) M_OP3 (0x12,0x5a, a,b,c,1)
492 #define M_EXTLH_IMM(a,b,c) M_OP3 (0x12,0x6a, a,b,c,1)
493 #define M_EXTQH_IMM(a,b,c) M_OP3 (0x12,0x7a, a,b,c,1)
494 #define M_INSBL_IMM(a,b,c) M_OP3 (0x12,0x0b, a,b,c,1)
495 #define M_INSWL_IMM(a,b,c) M_OP3 (0x12,0x1b, a,b,c,1)
496 #define M_INSLL_IMM(a,b,c) M_OP3 (0x12,0x2b, a,b,c,1)
497 #define M_INSQL_IMM(a,b,c) M_OP3 (0x12,0x3b, a,b,c,1)
498 #define M_INSWH_IMM(a,b,c) M_OP3 (0x12,0x57, a,b,c,1)
499 #define M_INSLH_IMM(a,b,c) M_OP3 (0x12,0x67, a,b,c,1)
500 #define M_INSQH_IMM(a,b,c) M_OP3 (0x12,0x77, a,b,c,1)
501 #define M_MSKBL_IMM(a,b,c) M_OP3 (0x12,0x02, a,b,c,1)
502 #define M_MSKWL_IMM(a,b,c) M_OP3 (0x12,0x12, a,b,c,1)
503 #define M_MSKLL_IMM(a,b,c) M_OP3 (0x12,0x22, a,b,c,1)
504 #define M_MSKQL_IMM(a,b,c) M_OP3 (0x12,0x32, a,b,c,1)
505 #define M_MSKWH_IMM(a,b,c) M_OP3 (0x12,0x52, a,b,c,1)
506 #define M_MSKLH_IMM(a,b,c) M_OP3 (0x12,0x62, a,b,c,1)
507 #define M_MSKQH_IMM(a,b,c) M_OP3 (0x12,0x72, a,b,c,1)
509 #define M_UMULH(a,b,c) M_OP3 (0x13,0x30, a,b,c,0) /* 64 umulh */
511 #define M_UMULH_IMM(a,b,c) M_OP3 (0x13,0x30, a,b,c,1) /* 64 umulh */
513 #define M_CMOVEQ(a,b,c) M_OP3 (0x11,0x24, a,b,c,0) /* a==0 ? c=b */
514 #define M_CMOVNE(a,b,c) M_OP3 (0x11,0x26, a,b,c,0) /* a!=0 ? c=b */
515 #define M_CMOVLT(a,b,c) M_OP3 (0x11,0x44, a,b,c,0) /* a< 0 ? c=b */
516 #define M_CMOVGE(a,b,c) M_OP3 (0x11,0x46, a,b,c,0) /* a>=0 ? c=b */
517 #define M_CMOVLE(a,b,c) M_OP3 (0x11,0x64, a,b,c,0) /* a<=0 ? c=b */
518 #define M_CMOVGT(a,b,c) M_OP3 (0x11,0x66, a,b,c,0) /* a> 0 ? c=b */
520 #define M_CMOVEQ_IMM(a,b,c) M_OP3 (0x11,0x24, a,b,c,1) /* a==0 ? c=b */
521 #define M_CMOVNE_IMM(a,b,c) M_OP3 (0x11,0x26, a,b,c,1) /* a!=0 ? c=b */
522 #define M_CMOVLT_IMM(a,b,c) M_OP3 (0x11,0x44, a,b,c,1) /* a< 0 ? c=b */
523 #define M_CMOVGE_IMM(a,b,c) M_OP3 (0x11,0x46, a,b,c,1) /* a>=0 ? c=b */
524 #define M_CMOVLE_IMM(a,b,c) M_OP3 (0x11,0x64, a,b,c,1) /* a<=0 ? c=b */
525 #define M_CMOVGT_IMM(a,b,c) M_OP3 (0x11,0x66, a,b,c,1) /* a> 0 ? c=b */
527 /* macros for unused commands (see an Alpha-manual for description) ***********/
529 #define M_ANDNOT(a,b,c,const) M_OP3 (0x11,0x08, a,b,c,const) /* c = a &~ b */
530 #define M_ORNOT(a,b,c,const) M_OP3 (0x11,0x28, a,b,c,const) /* c = a |~ b */
531 #define M_XORNOT(a,b,c,const) M_OP3 (0x11,0x48, a,b,c,const) /* c = a ^~ b */
533 #define M_CMPBGE(a,b,c,const) M_OP3 (0x10,0x0f, a,b,c,const)
535 #define M_FCMPUN(a,b,c) M_FOP3 (0x16, 0x0a4, a,b,c) /* unordered */
536 #define M_FCMPLE(a,b,c) M_FOP3 (0x16, 0x0a7, a,b,c) /* c = a<=b */
538 #define M_FCMPUNS(a,b,c) M_FOP3 (0x16, 0x5a4, a,b,c) /* unordered */
539 #define M_FCMPLES(a,b,c) M_FOP3 (0x16, 0x5a7, a,b,c) /* c = a<=b */
541 #define M_FBNEZ(fa,disp) M_BRA (0x35,fa,disp)
542 #define M_FBLEZ(fa,disp) M_BRA (0x33,fa,disp)
544 #define M_JMP_CO(a,b) M_MEM (0x1a,a,b,0xc000) /* call cosub */
547 /* gen_resolvebranch ***********************************************************
549 backpatches a branch instruction; Alpha branch instructions are very
550 regular, so it is only necessary to overwrite some fixed bits in the
553 parameters: ip ... pointer to instruction after branch (void*)
554 so ... offset of instruction after branch (s4)
555 to ... offset of branch target (s4)
557 *******************************************************************************/
559 #define gen_resolvebranch(ip,so,to) \
560 ((s4 *) (ip))[-1] |= ((s4) (to) - (so)) >> 2 & 0x1fffff
562 #endif /* _CODEGEN_H */
566 * These are local overrides for various environment variables in Emacs.
567 * Please do not remove this and leave it at the end of the file, where
568 * Emacs will automagically detect them.
569 * ---------------------------------------------------------------------
572 * indent-tabs-mode: t