1 /* src/vm/jit/sparc64/codegen.h - code generation macros and definitions for
4 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
5 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
6 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
7 J. Wenninger, Institut f. Computersprachen - TU Wien
9 This file is part of CACAO.
11 This program is free software; you can redistribute it and/or
12 modify it under the terms of the GNU General Public License as
13 published by the Free Software Foundation; either version 2, or (at
14 your option) any later version.
16 This program is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 $Id: codegen.h 4722 2006-04-03 15:36:00Z twisti $
36 #include "vm/jit/jit.h"
38 #include "md-abi.h" /* for INT_NATARG_CNT */
43 s4 nat_argintregs[INT_NATARG_CNT];
45 /* branch defines *************************************************************/
54 /* patcher defines ************************************************************/
56 #define PATCHER_CALL_INSTRUCTIONS 2 /* number of instructions */
57 #define PATCHER_CALL_SIZE 2 * 4 /* size in bytes of a patcher call */
59 #define EXCEPTION_CHECK_INSTRUCTIONS 3 /* number of instructions */
60 #define EXCEPTION_CHECK_SIZE 3 * 4 /* byte size of an exception check */
62 #define PATCHER_NOPS \
69 /* stub defines ***************************************************************/
71 #define COMPILERSTUB_CODESIZE 4 * 4
74 /* additional functions and macros to generate code ***************************/
77 /* MCODECHECK(icnt) */
79 #define MCODECHECK(icnt) \
81 if ((cd->mcodeptr + (icnt) * 4) > cd->mcodeend) \
82 codegen_increase(cd); \
86 #define ALIGNCODENOP \
87 if ((s4) ((ptrint) cd->mcodeptr & 7)) { \
93 generates an integer-move from register rs to rd.
94 if rs and rd are the same int-register, no code will be generated.
97 #define M_INTMOVE(rs,rd) if (rs != rd) { M_MOV(rs, rd); }
101 generates a double floating-point-move from register (pair) rs to rd.
102 if rs and rd are the same double-register, no code will be generated
105 #define M_DBLMOVE(rs, rd) if (rs != rd) { M_DMOV (rs, rd); }
109 generates a double floating-point-move from pseudo register rs to rd.
110 (ie. lower register of double rs pair to lower register of double rd pair)
111 if rs and rd are the same double-register, no code will be generated
113 #define M_FLTMOVE(rs, rd) if (rs != rd) { M_FMOV (rs, rd); }
117 #define M_COPY(s,d) emit_copy(jd, iptr, (s), (d))
118 #define ICONST(d,c) emit_iconst(cd, (d), (c))
119 #define LCONST(d,c) emit_lconst(cd, (d), (c))
124 /********************** instruction formats ***********************************/
129 /* 3-address-operations: M_OP3
131 * op3 ..... operation
132 * rs1 ..... register number source 1
133 * rs2 ..... register number or constant integer source 2
134 * rd ..... register number destination
135 * imm ..... switch to use rs2 as constant 13bit integer
136 * (REG means: use b as register number)
137 * (IMM means: use b as signed immediate value)
139 #define M_OP3(op,op3,rd,rs1,rs2,imm) \
141 *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 30) | ((rd) << 25) | ((op3) << 19) | ((rs1) << 14) | ((imm)<<13) | (imm?((rs2)&0x1fff):(rs2)) ); \
146 #define M_OP3_GET_RD(x) (((x) >> 25) & 0x1f)
147 #define M_OP3_GET_RS(x) (((x) >> 14) & 0x1f)
148 #define M_OP3_GET_IMM(x) ( (x) & 0x1fff)
150 /* 3-address-operations: M_OP3C
151 * rcond ... condition opcode
152 * rs2 ..... register number or 10bit signed immediate
155 #define M_OP3C(op,op3,rcond,rd,rs1,rs2,imm) \
157 *((u4 *) cd->mcodeptr) = ((((s4) (op)) << 30) | ((rd) << 25) | ((op3) << 19) | ((rs1) << 14) | ((imm)<<13) | \
158 ((rcond) << 10) | (imm?((rs2)&0x3ff):(rs2)) ); \
166 * rs1 .... source reg 1
167 * rs2 .... source reg 2 or immediate shift count (5 or 6 bits long depending whether 32 or 64 bit shift)
169 * imm .... switch for constant
170 * x ...... 0 => 32, 1 => 64 bit shift
172 #define M_SHFT(op,op3,rs1,rs2,rd,imm,x) \
174 *((u4 *) cd->mcodeptr) = ( (((s4)(op)) << 30) | ((op3) << 19) | ((rd) << 25) | ((rs1) << 14) | ((imm) << 13) | \
175 ((x) << 12) | (((imm) && (x))?((rs2) & 0x3f):((rs2) & 0x1f)) ); \
183 * cond ... condition opcode
184 * rs2 .... source 2 or signed 11-bit constant
186 * imm .... switch for constant
187 * cc{0-2} 32-bit 64-bit or fp condition
189 #define M_FMT4(op,op3,rd,rs2,cond,cc2,cc1,cc0,imm) \
191 *((u4 *) cd->mcodeptr) = ( (((s4)(op)) << 30) | ((op3) << 19) | ((rd) << 25) | ((cc2) << 18) | ((cond) << 14) | \
192 ((imm) << 13) | ((cc1) << 12) | ((cc0) << 11) | ((rs2) & 0x7ff) ); \
197 #define FR_X(r) (((r)<<1) + 1) /* transpose macro for floats which reside in upper half of double word */
198 #define DR_X(r) ((((r)*2)|(((r)*2)>>5)) & 0x1f) /* transpose & pack double, see SPARC spec. */
200 /* 3-address-floating-point-operation
202 * op3,opf .... function-number
204 * rs1 ... source reg (-1 signals unused)
209 #define M_FOP3(op,op3,opf,rd,rs1,rs2) \
211 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | ((rd)<<25) | ((op3)<<19) | ((((rs1)==-1)?0:(rs1)) << 14) | \
212 ((opf)<<5) | (rs2) ); \
215 /* float addressing */
216 #define M_FOP3_FX(op,op3,opf,rd,rs1,rs2) \
218 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | (FR_X(rd)<<25) | ((op3)<<19) | ((((rs1)==-1)?0:FR_X(rs1)) << 14) | \
219 ((opf)<<5) | FR_X(rs2) ); \
222 /* double addressing */
223 #define M_FOP3_DX(op,op3,opf,rd,rs1,rs2) \
225 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | (DR_X(rd)<<25) | ((op3)<<19) | ((((rs1)==-1)?0:DR_X(rs1)) << 14) | \
226 ((opf)<<5) | DR_X(rs2) ); \
230 /* 3-address-floating-point-compare-operation
232 * op3,opf .... function-number
233 * fcc ... floating point condition code (fcc0 - fcc3)
239 #define M_FCMP_DX(op,op3,opf,fcc,rs1,rs2) \
241 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | ((fcc)<<25) | ((op3)<<19) | (DR_X(rs1) << 14) | \
242 ((opf)<<5) | DR_X(rs2) ); \
246 #define M_FCMP_FX(op,op3,opf,fcc,rs1,rs2) \
248 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | ((fcc)<<25) | ((op3)<<19) | (FR_X(rs1) << 14) | \
249 ((opf)<<5) | FR_X(rs2) ); \
253 /**** format 2 operations ********/
255 /* branch on integer reg instruction
257 rcond ...... condition to be tested
258 disp16 ... 16-bit relative address to be jumped to (divided by 4)
259 rs1 ..... register to be tested
260 p ..... prediction bit
261 anul .... annullment bit
263 #define M_BRAREG(op,rcond,rs1,disp16,p,anul) \
265 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | ((anul)<<29) | (0<<28) | ((rcond)<<25) | (3<<22) | \
266 ( ((disp16)& 0xC000) << 6 ) | (p << 19) | ((rs1) << 14) | ((disp16)&0x3fff) ); \
271 /* branch on integer reg instruction
273 cond ...... condition to be tested
274 disp19 ... 19-bit relative address to be jumped to (divided by 4)
275 ccx ..... 32(0) or 64(2) bit test
276 p ..... prediction bit
277 anul .... annullment bit
279 #define M_BRACC(op,op2,cond,disp19,ccx,p,anul) \
281 *((u4 *) cd->mcodeptr) = ( (((s4)(op))<<30) | ((anul)<<29) | ((cond)<<25) | (op2<<22) | (ccx<<20) | \
282 (p << 19 ) | ((disp19) & 0x007ffff) ); \
287 /************** end-user instructions (see a SPARC asm manual) ***************/
289 #define M_SETHI(imm22, rd) \
291 *((u4 *) cd->mcodeptr) = ((((s4)(0x00)) << 30) | ((rd) << 25) | ((0x04)<<22) | ((imm22)&0x3FFFFF) ); \
295 #define M_NOP M_SETHI(0,0) /* nop */
297 #define M_AND(rs1,rs2,rd) M_OP3(0x02,0x01,rd,rs1,rs2,REG) /* 64b c = a & b */
298 #define M_AND_IMM(rs1,rs2,rd) M_OP3(0x02,0x01,rd,rs1,rs2,IMM)
299 #define M_ANDCC(rs1,rs2,rd) M_OP3(0x02,0x11,rd,rs1,rs2,REG)
300 #define M_ANDCC_IMM(rs1,rs2,rd) M_OP3(0x02,0x11,rd,rs1,rs2,IMM)
302 #define M_OR(rs1,rs2,rd) M_OP3(0x02,0x02,rd,rs1,rs2,REG) /* rd = rs1 | rs2 */
303 #define M_OR_IMM(rs1,rs2,rd) M_OP3(0x02,0x02,rd,rs1,rs2,IMM)
304 #define M_XOR(rs1,rs2,rd) M_OP3(0x02,0x03,rd,rs1,rs2,REG) /* rd = rs1 ^ rs2 */
305 #define M_XOR_IMM(rs1,rs2,rd) M_OP3(0x02,0x03,rd,rs1,rs2,IMM)
307 #define M_MOV(rs,rd) M_OR(REG_ZERO, rs, rd) /* rd = rs */
308 #define M_CLR(rd) M_OR(REG_ZERO,REG_ZERO,rd) /* rd = 0 */
312 #define M_SLLX(rs1,rs2,rd) M_SHFT(0x02,0x25,rs1,rs2,rd,REG,1) /* 64b rd = rs << rs2 */
313 #define M_SLLX_IMM(rs1,rs2,rd) M_SHFT(0x02,0x25,rs1,rs2,rd,IMM,1)
314 #define M_SLL(rs1,rs2,rd) M_SHFT(0x02,0x25,rs1,rs2,rd,REG,0) /* 32b rd = rs << rs2 */
315 #define M_SLL_IMM(rs1,rs2,rd) M_SHFT(0x02,0x25,rs1,rs2,rd,IMM,0)
316 #define M_SRLX(rs1,rs2,rd) M_SHFT(0x02,0x26,rs1,rs2,rd,REG,1) /* 64b rd = rs >>>rs2 */
317 #define M_SRLX_IMM(rs1,rs2,rd) M_SHFT(0x02,0x26,rs1,rs2,rd,IMM,1)
318 #define M_SRL(rs1,rs2,rd) M_SHFT(0x02,0x26,rs1,rs2,rd,REG,0) /* 32b rd = rs >>>rs2 */
319 #define M_SRL_IMM(rs1,rs2,rd) M_SHFT(0x02,0x26,rs1,rs2,rd,IMM,0)
320 #define M_SRAX(rs1,rs2,rd) M_SHFT(0x02,0x27,rs1,rs2,rd,REG,1) /* 64b rd = rs >> rs2 */
321 #define M_SRAX_IMM(rs1,rs2,rd) M_SHFT(0x02,0x27,rs1,rs2,rd,IMM,1)
322 #define M_SRA(rs1,rs2,rd) M_SHFT(0x02,0x27,rs1,rs2,rd,REG,0) /* 32b rd = rs >> rs2 */
323 #define M_SRA_IMM(rs1,rs2,rd) M_SHFT(0x02,0x27,rs1,rs2,rd,IMM,0)
325 #define M_ISEXT(rs,rd) M_SRA(rs,REG_ZERO,rd) /* sign extend 32 bits*/
328 #define M_ADD(rs1,rs2,rd) M_OP3(0x02,0x00,rd,rs1,rs2,REG) /* 64b rd = rs1 + rs2 */
329 #define M_ADD_IMM(rs1,rs2,rd) M_OP3(0x02,0x00,rd,rs1,rs2,IMM)
330 #define M_SUB(rs1,rs2,rd) M_OP3(0x02,0x04,rd,rs1,rs2,REG) /* 64b rd = rs1 - rs2 */
331 #define M_SUB_IMM(rs1,rs2,rd) M_OP3(0x02,0x04,rd,rs1,rs2,IMM)
332 #define M_MULX(rs1,rs2,rd) M_OP3(0x02,0x09,rd,rs1,rs2,REG) /* 64b rd = rs1 * rs2 */
333 #define M_MULX_IMM(rs1,rs2,rd) M_OP3(0x02,0x09,rd,rs1,rs2,IMM)
334 #define M_DIVX(rs1,rs2,rd) M_OP3(0x02,0x2d,rd,rs1,rs2,REG) /* 64b rd = rs1 / rs2 */
336 #define M_SUBcc(rs1,rs2,rd) M_OP3(0x02,0x14,rd,rs1,rs2,REG) /* sets xcc and icc */
337 #define M_SUBcc_IMM(rs1,rs2,rd) M_OP3(0x02,0x14,rd,rs1,rs2,IMM) /* sets xcc and icc */
341 /**** compare and conditional ALU operations ***********/
343 #define M_CMP(rs1,rs2) M_SUBcc(rs1,rs2,REG_ZERO)
344 #define M_CMP_IMM(rs1,rs2) M_SUBcc_IMM(rs1,rs2,REG_ZERO)
347 /* move integer register on (64-bit) condition */
349 #define M_XCMOVEQ(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x1,1,1,0,REG) /* a==b ? rd=rs */
350 #define M_XCMOVNE(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x9,1,1,0,REG) /* a!=b ? rd=rs */
351 #define M_XCMOVLT(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x3,1,1,0,REG) /* a<b ? rd=rs */
352 #define M_XCMOVGE(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0xb,1,1,0,REG) /* a>=b ? rd=rs */
353 #define M_XCMOVLE(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x2,1,1,0,REG) /* a<=b ? rd=rs */
354 #define M_XCMOVGT(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0xa,1,1,0,REG) /* a>b ? rd=rs */
355 #define M_XCMOVULE(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x4,1,1,0,REG) /* a<=b ? rd=rs (u)*/
357 #define M_XCMOVEQ_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x1,1,1,0,IMM) /* a==b ? rd=rs */
358 #define M_XCMOVNE_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x9,1,1,0,IMM) /* a!=b ? rd=rs */
359 #define M_XCMOVLT_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x3,1,1,0,IMM) /* a<b ? rd=rs */
360 #define M_XCMOVGE_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0xb,1,1,0,IMM) /* a>=b ? rd=rs */
361 #define M_XCMOVLE_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x2,1,1,0,IMM) /* a<=b ? rd=rs */
362 #define M_XCMOVGT_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0xa,1,1,0,IMM) /* a>b ? rd=rs */
363 #define M_XCMOVULE_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x4,1,1,0,IMM) /* a<=b ? rd=rs (u)*/
365 /* move integer register on (fcc0) floating point condition */
367 #define M_CMOVFGT_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x6,0,0,0,IMM) /* fa>fb ? rd=rs */
368 #define M_CMOVFLT_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x4,0,0,0,IMM) /* fa<fb ? rd=rs */
369 #define M_CMOVFEQ_IMM(rs,rd) M_FMT4(0x2,0x2c,rd,rs,0x9,0,0,0,IMM) /* fa==fb ? rd=rs */
371 /* move integer register on (32-bit) condition */
375 /* move integer register on register condition */
377 #define M_CMOVREQ(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x1,rd,rs1,rs2,REG) /* rs1==0 ? rd=rs2 */
378 #define M_CMOVRNE(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x5,rd,rs1,rs2,REG) /* rs1!=0 ? rd=rs2 */
379 #define M_CMOVRLE(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x2,rd,rs1,rs2,REG) /* rs1<=0 ? rd=rs2 */
380 #define M_CMOVRLT(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x3,rd,rs1,rs2,REG) /* rs1<0 ? rd=rs2 */
381 #define M_CMOVRGT(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x6,rd,rs1,rs2,REG) /* rs1>0 ? rd=rs2 */
382 #define M_CMOVRGE(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x7,rd,rs1,rs2,REG) /* rs1>=0 ? rd=rs2 */
384 #define M_CMOVREQ_IMM(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x1,rd,rs1,rs2,IMM) /* rs1==0 ? rd=rs2 */
385 #define M_CMOVRNE_IMM(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x5,rd,rs1,rs2,IMM) /* rs1!=0 ? rd=rs2 */
386 #define M_CMOVRLE_IMM(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x2,rd,rs1,rs2,IMM) /* rs1<=0 ? rd=rs2 */
387 #define M_CMOVRLT_IMM(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x3,rd,rs1,rs2,IMM) /* rs1<0 ? rd=rs2 */
388 #define M_CMOVRGT_IMM(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x6,rd,rs1,rs2,IMM) /* rs1>0 ? rd=rs2 */
389 #define M_CMOVRGE_IMM(rs1,rs2,rd) M_OP3C(0x2,0x2f,0x7,rd,rs1,rs2,IMM) /* rs1>=0 ? rd=rs2 */
392 /**** big constant helpers *********/
394 /* #define FITS_13BIT_IMM(x) ((x >= -4096) && (x <= 4095)) */
396 bool fits_13(s4 disp);
397 s4 get_lopart_disp(s4 disp);
399 #define abs(x) ((x) < 0 ? (-(x)) : (x))
401 #define sethi_part(x) ((x)>>10)
402 #define setlo_part(x) ((x) & 0x3ff)
404 #define DO_SETHI_REG(c,rd) \
407 M_SETHI(sethi_part(c), rd); \
408 if (setlo_part(c)) { \
409 M_OR_IMM(rd, setlo_part(c), rd); \
413 M_SETHI(sethi_part(~c), rd); \
414 M_XOR_IMM(rd, setlo_part(c) | 0xffffffffffff1c00, rd); \
418 #define DO_SETHI_PART(c,rs,rd) \
421 M_SETHI(sethi_part(c), rd); \
425 M_SETHI(sethi_part(-c), rd); \
427 assert(sethi_part(c) != 0xf); \
434 #define M_LDA(rd,rs,disp) \
436 if (fits_13(disp)) { \
437 M_AADD_IMM(rs,disp,rd); \
440 DO_SETHI_REG(disp,rd); \
445 /**** load/store operations ********/
447 #define M_SLDU(rd,rs,disp) M_OP3(0x03,0x02,rd,rs,disp,IMM) /* 16-bit load, uns*/
448 #define M_SLDS(rd,rs,disp) M_OP3(0x03,0x0a,rd,rs,disp,IMM) /* 16-bit load, sig*/
449 #define M_BLDS(rd,rs,disp) M_OP3(0x03,0x09,rd,rs,disp,IMM) /* 8-bit load, sig */
452 #define M_LDX_INTERN(rd,rs,disp) M_OP3(0x03,0x0b,rd,rs,disp,IMM) /* 64-bit load, sig*/
453 #define M_LDX(rd,rs,disp) \
455 if (fits_13(disp)) { \
456 M_LDX_INTERN(rd,rs,disp); \
459 DO_SETHI_PART(disp,rs,rd); \
460 M_LDX_INTERN(rd,rd,get_lopart_disp(disp)); \
464 #define M_ILD_INTERN(rd,rs,disp) M_OP3(0x03,0x08,rd,rs,disp,IMM) /* 32-bit load, sig */
465 #define M_ILD(rd,rs,disp) \
467 if (fits_13(disp)) { \
468 M_ILD_INTERN(rd,rs,disp); \
471 DO_SETHI_PART(disp,rs,rd); \
472 M_ILD_INTERN(rd,rd,get_lopart_disp(disp)); \
478 #define M_SST(rd,rs,disp) M_OP3(0x03,0x06,rd,rs,disp,IMM) /* 16-bit store */
479 #define M_BST(rd,rs,disp) M_OP3(0x03,0x05,rd,rs,disp,IMM) /* 8-bit store */
481 /* Stores with displacement overflow should only happen with PUTFIELD or on */
482 /* the stack. The PUTFIELD instruction does not use REG_ITMP3 and a */
483 /* reg_of_var call should not use REG_ITMP3!!! */
485 #define M_STX_INTERN(rd,rs,disp) M_OP3(0x03,0x0e,rd,rs,disp,IMM) /* 64-bit store */
486 #define M_STX(rd,rs,disp) \
488 if (fits_13(disp)) { \
489 M_STX_INTERN(rd,rs,disp); \
492 DO_SETHI_PART(disp,rs,REG_ITMP3); \
493 M_STX_INTERN(rd,REG_ITMP3,setlo_part(disp)); \
499 #define M_IST_INTERN(rd,rs,disp) M_OP3(0x03,0x04,rd,rs,disp,IMM) /* 32-bit store */
500 #define M_IST(rd,rs,disp) \
502 if (fits_13(disp)) { \
503 M_IST_INTERN(rd,rs,disp); \
506 DO_SETHI_PART(disp,rs,REG_ITMP3); \
507 M_IST_INTERN(rd,REG_ITMP3,setlo_part(disp)); \
513 /**** branch operations ********/
514 /* XXX prediction and annul bits currently set to defaults, but could be used for optimizations */
516 /* branch on integer register */
518 #define M_BEQZ(r,disp) M_BRAREG(0x0,0x1,r,disp,1,0) /* br r == 0 */
519 #define M_BLEZ(r,disp) M_BRAREG(0x0,0x2,r,disp,1,0) /* br r <= 0 */
520 #define M_BLTZ(r,disp) M_BRAREG(0x0,0x3,r,disp,1,0) /* br r < 0 */
521 #define M_BNEZ(r,disp) M_BRAREG(0x0,0x5,r,disp,1,0) /* br r != 0 */
522 #define M_BGTZ(r,disp) M_BRAREG(0x0,0x6,r,disp,1,0) /* br r > 0 */
523 #define M_BGEZ(r,disp) M_BRAREG(0x0,0x7,r,disp,1,0) /* br r >= 0 */
526 /* branch on (64-bit) integer condition codes */
528 #define M_XBEQ(disp) M_BRACC(0x00,0x1,0x1,disp,2,1,0) /* branch a==b */
529 #define M_XBNE(disp) M_BRACC(0x00,0x1,0x9,disp,2,1,0) /* branch a!=b */
530 #define M_XBGT(disp) M_BRACC(0x00,0x1,0xa,disp,2,1,0) /* branch a>b */
531 #define M_XBLT(disp) M_BRACC(0x00,0x1,0x3,disp,2,1,0) /* branch a<b */
532 #define M_XBGE(disp) M_BRACC(0x00,0x1,0xb,disp,2,1,0) /* branch a>=b */
533 #define M_XBLE(disp) M_BRACC(0x00,0x1,0x2,disp,2,1,0) /* branch a<=b */
534 #define M_XBUGE(disp) M_BRACC(0x00,0x1,0xd,disp,2,1,0) /* br uns a>=b */
535 #define M_XBUGT(disp) M_BRACC(0x00,0x1,0xc,disp,2,1,0) /* br uns a>b */
536 #define M_XBULT(disp) M_BRACC(0x00,0x1,0x5,disp,2,1,0) /* br uns a<b */
538 /* branch on (32-bit) integer condition codes */
540 #define M_BR(disp) M_BRACC(0x00,0x1,0x8,disp,0,1,0) /* branch */
541 #define M_BEQ(disp) M_BRACC(0x00,0x1,0x1,disp,0,1,0) /* branch a==b */
542 #define M_BNE(disp) M_BRACC(0x00,0x1,0x9,disp,0,1,0) /* branch a!=b */
543 #define M_BGT(disp) M_BRACC(0x00,0x1,0xa,disp,0,1,0) /* branch a>b */
544 #define M_BLT(disp) M_BRACC(0x00,0x1,0x3,disp,0,1,0) /* branch a<b */
545 #define M_BGE(disp) M_BRACC(0x00,0x1,0xb,disp,0,1,0) /* branch a>=b */
546 #define M_BLE(disp) M_BRACC(0x00,0x1,0x2,disp,0,1,0) /* branch a<=b */
547 #define M_BULE(disp) M_BRACC(0x00,0x1,0x4,disp,0,1,0) /* br uns a<=b */
548 #define M_BUGT(disp) M_BRACC(0x00,0x1,0xc,disp,0,1,0) /* br uns a>b */
549 #define M_BULT(disp) M_BRACC(0x00,0x1,0x5,disp,0,1,0) /* br uns a<b */
551 /* branch on (fcc0) floating point condition codes */
553 #define M_FBR(disp) M_BRACC(0x00,0x5,0x8,disp,0,1,0) /* branch */
554 #define M_FBU(disp) M_BRACC(0x00,0x5,0x7,disp,0,1,0) /* unordered */
555 #define M_FBG(disp) M_BRACC(0x00,0x5,0x6,disp,0,1,0) /* branch a>b */
556 #define M_FBL(disp) M_BRACC(0x00,0x5,0x4,disp,0,1,0) /* branch a<b */
557 #define M_FBO(disp) M_BRACC(0x00,0x5,0xf,disp,0,1,0) /* br ordered */
561 #define M_SAVE(rs1,rs2,rd) M_OP3(0x02,0x3c,rd,rs1,rs2,IMM)
562 #define M_RESTORE(rs1,rs2,rd) M_OP3(0x02,0x3d,rd,rs1,rs2,IMM)
566 #define M_JMP(rd,rs1,rs2) M_OP3(0x02,0x38,rd, rs1,rs2,REG) /* jump to rs1+rs2, adr of instr. saved to rd */
567 #define M_JMP_IMM(rd,rs1,rs2) M_OP3(0x02,0x38,rd, rs1,rs2,IMM)
568 #define M_RET(rs1,imm) M_OP3(0x02,0x38,REG_ZERO,rs1,imm,IMM) /* a jump which discards the current pc */
570 #define M_RETURN(rs1,imm) M_OP3(0x02,0x39,0,rs1,imm,IMM) /* like ret, but does window restore */
572 /**** floating point operations **/
575 #define M_DMOV(rs,rd) M_FOP3_DX(0x02,0x34,0x02,rd,-1,rs) /* rd = rs */
576 #define M_FMOV(rs,rd) M_FOP3_FX(0x02,0x34,0x01,rd,-1,rs) /* rd = rs */
578 #define M_FMOV_INTERN(rs,rd) M_FOP3(0x02,0x34,0x01,rd,-1,rs) /* rd = rs */
580 #define M_FNEG(rs,rd) M_FOP3_FX(0x02,0x34,0x05,rd,-1,rs) /* rd = -rs */
581 #define M_DNEG(rs,rd) M_FOP3_DX(0x02,0x34,0x06,rd,-1,rs) /* rd = -rs */
583 #define M_FADD(rs1,rs2,rd) M_FOP3_FX(0x02,0x34,0x41,rd,rs1,rs2) /* float add */
584 #define M_DADD(rs1,rs2,rd) M_FOP3_DX(0x02,0x34,0x42,rd,rs1,rs2) /* double add */
585 #define M_FSUB(rs1,rs2,rd) M_FOP3_FX(0x02,0x34,0x045,rd,rs1,rs2) /* float sub */
586 #define M_DSUB(rs1,rs2,rd) M_FOP3_DX(0x02,0x34,0x046,rd,rs1,rs2) /* double sub */
587 #define M_FMUL(rs1,rs2,rd) M_FOP3_FX(0x02,0x34,0x049,rd,rs1,rs2) /* float mul */
588 #define M_DMUL(rs1,rs2,rd) M_FOP3_DX(0x02,0x34,0x04a,rd,rs1,rs2) /* double mul */
589 #define M_FDIV(rs1,rs2,rd) M_FOP3_FX(0x02,0x34,0x04d,rd,rs1,rs2) /* float div */
590 #define M_DDIV(rs1,rs2,rd) M_FOP3_DX(0x02,0x34,0x04e,rd,rs1,rs2) /* double div */
593 /**** compare and conditional FPU operations ***********/
595 /* rd field 0 ==> fcc target unit is fcc0 */
596 #define M_FCMP(rs1,rs2) M_FCMP_FX(0x02,0x35,0x051,0,rs1,rs2) /* compare flt */
597 #define M_DCMP(rs1,rs2) M_FCMP_DX(0x02,0x35,0x052,0,rs1,rs2) /* compare dbl */
599 /* conversion functions */
601 #define M_CVTIF(rs,rd) M_FOP3_FX(0x02,0x34,0x0c4,rd,-1,rs)/* int2flt */
602 #define M_CVTID(rs,rd) M_FOP3(0x02,0x34,0x0c8,DR_X(rd),-1,FR_X(rs)) /* int2dbl */
603 #define M_CVTLF(rs,rd) M_FOP3(0x02,0x34,0x084,FR_X(rd),-1,DR_X(rs)) /* long2flt */
604 #define M_CVTLD(rs,rd) M_FOP3_DX(0x02,0x34,0x088,rd,-1,rs) /* long2dbl */
606 #define M_CVTFI(rs,rd) M_FOP3_FX(0x02,0x34,0x0d1,rd,-1,rs) /* flt2int */
607 #define M_CVTDI(rs,rd) M_FOP3(0x02,0x34,0x0d2,FR_X(rd),-1,DR_X(rs)) /* dbl2int */
608 #define M_CVTFL(rs,rd) M_FOP3(0x02,0x34,0x081,DR_X(rd),-1,FR_X(rs)) /* flt2long */
609 #define M_CVTDL(rs,rd) M_FOP3_DX(0x02,0x34,0x082,rd,-1,rs) /* dbl2long */
611 #define M_CVTFD(rs,rd) M_FOP3(0x02,0x34,0x0c9,DR_X(rd),-1,FR_X(rs)) /* flt2dbl */
612 #define M_CVTDF(rs,rd) M_FOP3(0x02,0x34,0x0c6,FR_X(rd),-1,DR_X(rs)) /* dbl2float */
616 #define M_DLD_INTERN(rd,rs1,disp) M_OP3(0x03,0x23,DR_X(rd),rs1,disp,IMM) /* double (64-bit) load */
617 #define M_DLD(rd,rs,disp) \
619 s4 lo = (short) (disp); \
620 s4 hi = (short) (((disp) - lo) >> 13); \
622 M_DLD_INTERN(rd,rs,lo); \
624 M_SETHI(hi&0x3ffff8,rd); \
626 M_DLD_INTERN(rd,rd,lo); \
629 /* Note for SETHI: sethi has a 22bit imm, only set upper 19 bits */
631 #define M_FLD_INTERN(rd,rs1,disp) M_OP3(0x03,0x20,FR_X(rd),rs1,disp,IMM) /* float (32-bit) load */
632 #define M_FLD(rd,rs,disp) \
634 s4 lo = (short) (disp); \
635 s4 hi = (short) (((disp) - lo) >> 13); \
637 M_FLD_INTERN(rd,rs,lo); \
639 M_SETHI(hi&0x3ffff8,rd); \
641 M_FLD_INTERN(rd,rd,lo); \
646 #define M_FST_INTERN(rd,rs,disp) M_OP3(0x03,0x24,FR_X(rd),rs,disp,IMM) /* float (32-bit) store */
647 #define M_FST(rd,rs,disp) \
649 s4 lo = (short) (disp); \
650 s4 hi = (short) (((disp) - lo) >> 13); \
652 M_FST_INTERN(rd,rs,lo); \
654 M_SETHI(hi&0x3ffff8,REG_ITMP3); \
655 M_AADD(rs,REG_ITMP3,REG_ITMP3); \
656 M_FST_INTERN(rd,REG_ITMP3,lo); \
661 #define M_DST_INTERN(rd,rs1,disp) M_OP3(0x03,0x27,DR_X(rd),rs1,disp,IMM) /* double (64-bit) store */
662 #define M_DST(rd,rs,disp) \
664 s4 lo = (short) (disp); \
665 s4 hi = (short) (((disp) - lo) >> 13); \
667 M_DST_INTERN(rd,rs,lo); \
669 M_SETHI(hi&0x3ffff8,REG_ITMP3); \
670 M_AADD(rs,REG_ITMP3,REG_ITMP3); \
671 M_DST_INTERN(rd,REG_ITMP3,lo); \
678 * Address pseudo instruction
681 #define POINTERSHIFT 3 /* x8 */
684 #define M_ALD_INTERN(a,b,disp) M_LDX_INTERN(a,b,disp)
685 #define M_ALD(rd,rs,disp) M_LDX(rd,rs,disp)
686 #define M_AST_INTERN(a,b,disp) M_STX_INTERN(a,b,disp)
687 #define M_AST(a,b,disp) M_STX(a,b,disp)
688 #define M_AADD(a,b,c) M_ADD(a,b,c)
689 #define M_AADD_IMM(a,b,c) M_ADD_IMM(a,b,c)
690 #define M_ASUB_IMM(a,b,c) M_SUB_IMM(a,b,c)
691 #define M_ASLL_IMM(a,b,c) M_SLLX_IMM(a,b,c)
696 /* var_to_reg_xxx **************************************************************
698 This function generates code to fetch data from a pseudo-register
699 into a real register. If the pseudo-register has actually been
700 assigned to a real register, no code will be emitted, since
701 following operations can use this register directly.
703 v: pseudoregister to be fetched from
704 tempregnum: temporary register to be used if v is actually spilled to ram
706 return: the register number, where the operand can be found after
707 fetching (this wil be either tempregnum or the register
708 number allready given to v)
710 *******************************************************************************/
712 #define var_to_reg_int(regnr,v,tempnr) \
714 if ((v)->flags & INMEMORY) { \
716 M_LDX(tempnr, REG_SP, (v)->regoff * 8); \
719 regnr = (v)->regoff; \
726 #endif /* _CODEGEN_H */