1 /*
2 * Stack-less Just-In-Time compiler
3 *
4 * Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without modification, are
7 * permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this list of
10 * conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
13 * of conditions and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19 * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
sljit_get_platform_name(void)27 SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void)
28 {
29 return "SPARC" SLJIT_CPUINFO;
30 }
31
32 /* Length of an instruction word
33 Both for sparc-32 and sparc-64 */
34 typedef sljit_u32 sljit_ins;
35
36 #if (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL)
37
sparc_cache_flush(sljit_ins * from,sljit_ins * to)38 static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
39 {
40 #if defined(__SUNPRO_C) && __SUNPRO_C < 0x590
41 __asm (
42 /* if (from == to) return */
43 "cmp %i0, %i1\n"
44 "be .leave\n"
45 "nop\n"
46
47 /* loop until from >= to */
48 ".mainloop:\n"
49 "flush %i0\n"
50 "add %i0, 8, %i0\n"
51 "cmp %i0, %i1\n"
52 "bcs .mainloop\n"
53 "nop\n"
54
55 /* The comparison was done above. */
56 "bne .leave\n"
57 /* nop is not necessary here, since the
58 sub operation has no side effect. */
59 "sub %i0, 4, %i0\n"
60 "flush %i0\n"
61 ".leave:"
62 );
63 #else
64 if (SLJIT_UNLIKELY(from == to))
65 return;
66
67 do {
68 __asm__ volatile (
69 "flush %0\n"
70 : : "r"(from)
71 );
72 /* Operates at least on doubleword. */
73 from += 2;
74 } while (from < to);
75
76 if (from == to) {
77 /* Flush the last word. */
78 from --;
79 __asm__ volatile (
80 "flush %0\n"
81 : : "r"(from)
82 );
83 }
84 #endif
85 }
86
87 #endif /* (defined SLJIT_CACHE_FLUSH_OWN_IMPL && SLJIT_CACHE_FLUSH_OWN_IMPL) */
88
89 /* TMP_REG2 is not used by getput_arg */
90 #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2)
91 #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3)
92 #define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4)
93 /* This register is modified by calls, which affects the instruction
94 in the delay slot if it is used as a source register. */
95 #define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5)
96
97 #define TMP_FREG1 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1)
98 #define TMP_FREG2 (SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2)
99
100 static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
101 0, 8, 9, 10, 11, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 12, 13, 15
102 };
103
104 static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = {
105 0, 0, 2, 4, 6, 8, 10, 12, 14
106 };
107
108 /* --------------------------------------------------------------------- */
109 /* Instrucion forms */
110 /* --------------------------------------------------------------------- */
111
112 #define D(d) (reg_map[d] << 25)
113 #define FD(d) (freg_map[d] << 25)
114 #define FDN(d) ((freg_map[d] | 0x1) << 25)
115 #define DA(d) ((d) << 25)
116 #define S1(s1) (reg_map[s1] << 14)
117 #define FS1(s1) (freg_map[s1] << 14)
118 #define S1A(s1) ((s1) << 14)
119 #define S2(s2) (reg_map[s2])
120 #define FS2(s2) (freg_map[s2])
121 #define FS2N(s2) (freg_map[s2] | 0x1)
122 #define S2A(s2) (s2)
123 #define IMM_ARG 0x2000
124 #define DOP(op) ((op) << 5)
125 #define IMM(imm) (((imm) & 0x1fff) | IMM_ARG)
126
127 #define DR(dr) (reg_map[dr])
128 #define OPC1(opcode) ((opcode) << 30)
129 #define OPC2(opcode) ((opcode) << 22)
130 #define OPC3(opcode) ((opcode) << 19)
131 #define SET_FLAGS OPC3(0x10)
132
133 #define ADD (OPC1(0x2) | OPC3(0x00))
134 #define ADDC (OPC1(0x2) | OPC3(0x08))
135 #define AND (OPC1(0x2) | OPC3(0x01))
136 #define ANDN (OPC1(0x2) | OPC3(0x05))
137 #define CALL (OPC1(0x1))
138 #define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
139 #define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
140 #define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
141 #define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
142 #define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
143 #define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
144 #define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
145 #define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
146 #define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
147 #define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
148 #define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
149 #define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
150 #define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
151 #define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
152 #define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
153 #define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
154 #define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
155 #define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
156 #define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
157 #define JMPL (OPC1(0x2) | OPC3(0x38))
158 #define LDD (OPC1(0x3) | OPC3(0x03))
159 #define LDUW (OPC1(0x3) | OPC3(0x00))
160 #define NOP (OPC1(0x0) | OPC2(0x04))
161 #define OR (OPC1(0x2) | OPC3(0x02))
162 #define ORN (OPC1(0x2) | OPC3(0x06))
163 #define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0))
164 #define RESTORE (OPC1(0x2) | OPC3(0x3d))
165 #define SAVE (OPC1(0x2) | OPC3(0x3c))
166 #define SETHI (OPC1(0x0) | OPC2(0x04))
167 #define SLL (OPC1(0x2) | OPC3(0x25))
168 #define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12))
169 #define SRA (OPC1(0x2) | OPC3(0x27))
170 #define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12))
171 #define SRL (OPC1(0x2) | OPC3(0x26))
172 #define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12))
173 #define STDF (OPC1(0x3) | OPC3(0x27))
174 #define STF (OPC1(0x3) | OPC3(0x24))
175 #define STW (OPC1(0x3) | OPC3(0x04))
176 #define SUB (OPC1(0x2) | OPC3(0x04))
177 #define SUBC (OPC1(0x2) | OPC3(0x0c))
178 #define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
179 #define WRY (OPC1(0x2) | OPC3(0x30) | DA(0))
180 #define XOR (OPC1(0x2) | OPC3(0x03))
181 #define XNOR (OPC1(0x2) | OPC3(0x07))
182
183 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
184 #define MAX_DISP (0x1fffff)
185 #define MIN_DISP (-0x200000)
186 #define DISP_MASK (0x3fffff)
187
188 #define BICC (OPC1(0x0) | OPC2(0x2))
189 #define FBFCC (OPC1(0x0) | OPC2(0x6))
190 #define SLL_W SLL
191 #define SDIV (OPC1(0x2) | OPC3(0x0f))
192 #define SMUL (OPC1(0x2) | OPC3(0x0b))
193 #define UDIV (OPC1(0x2) | OPC3(0x0e))
194 #define UMUL (OPC1(0x2) | OPC3(0x0a))
195 #else
196 #define SLL_W SLLX
197 #endif
198
199 #define SIMM_MAX (0x0fff)
200 #define SIMM_MIN (-0x1000)
201
202 /* dest_reg is the absolute name of the register
203 Useful for reordering instructions in the delay slot. */
push_inst(struct sljit_compiler * compiler,sljit_ins ins,sljit_s32 delay_slot)204 static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
205 {
206 sljit_ins *ptr;
207 SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
208 || (delay_slot & DST_INS_MASK) == MOVABLE_INS
209 || (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
210 ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
211 FAIL_IF(!ptr);
212 *ptr = ins;
213 compiler->size++;
214 compiler->delay_slot = delay_slot;
215 return SLJIT_SUCCESS;
216 }
217
detect_jump_type(struct sljit_jump * jump,sljit_ins * code_ptr,sljit_ins * code,sljit_sw executable_offset)218 static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset)
219 {
220 sljit_sw diff;
221 sljit_uw target_addr;
222 sljit_ins *inst;
223 sljit_ins saved_inst;
224
225 if (jump->flags & SLJIT_REWRITABLE_JUMP)
226 return code_ptr;
227
228 if (jump->flags & JUMP_ADDR)
229 target_addr = jump->u.target;
230 else {
231 SLJIT_ASSERT(jump->flags & JUMP_LABEL);
232 target_addr = (sljit_uw)(code + jump->u.label->size) + (sljit_uw)executable_offset;
233 }
234 inst = (sljit_ins*)jump->addr;
235
236 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
237 if (jump->flags & IS_CALL) {
238 /* Call is always patchable on sparc 32. */
239 jump->flags |= PATCH_CALL;
240 if (jump->flags & IS_MOVABLE) {
241 inst[0] = inst[-1];
242 inst[-1] = CALL;
243 jump->addr -= sizeof(sljit_ins);
244 return inst;
245 }
246 inst[0] = CALL;
247 inst[1] = NOP;
248 return inst + 1;
249 }
250 #else
251 /* Both calls and BPr instructions shall not pass this point. */
252 #error "Implementation required"
253 #endif
254
255 if (jump->flags & IS_COND)
256 inst--;
257
258 diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1) - executable_offset) >> 2;
259
260 if (jump->flags & IS_MOVABLE) {
261 if (diff <= MAX_DISP && diff >= MIN_DISP) {
262 jump->flags |= PATCH_B;
263 inst--;
264 if (jump->flags & IS_COND) {
265 saved_inst = inst[0];
266 inst[0] = inst[1] ^ (1 << 28);
267 inst[1] = saved_inst;
268 } else {
269 inst[1] = inst[0];
270 inst[0] = BICC | DA(0x8);
271 }
272 jump->addr = (sljit_uw)inst;
273 return inst + 1;
274 }
275 }
276
277 diff += sizeof(sljit_ins);
278
279 if (diff <= MAX_DISP && diff >= MIN_DISP) {
280 jump->flags |= PATCH_B;
281 if (jump->flags & IS_COND)
282 inst[0] ^= (1 << 28);
283 else
284 inst[0] = BICC | DA(0x8);
285 inst[1] = NOP;
286 jump->addr = (sljit_uw)inst;
287 return inst + 1;
288 }
289
290 return code_ptr;
291 }
292
sljit_generate_code(struct sljit_compiler * compiler)293 SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
294 {
295 struct sljit_memory_fragment *buf;
296 sljit_ins *code;
297 sljit_ins *code_ptr;
298 sljit_ins *buf_ptr;
299 sljit_ins *buf_end;
300 sljit_uw word_count;
301 sljit_sw executable_offset;
302 sljit_uw addr;
303
304 struct sljit_label *label;
305 struct sljit_jump *jump;
306 struct sljit_const *const_;
307
308 CHECK_ERROR_PTR();
309 CHECK_PTR(check_sljit_generate_code(compiler));
310 reverse_buf(compiler);
311
312 code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
313 PTR_FAIL_WITH_EXEC_IF(code);
314 buf = compiler->buf;
315
316 code_ptr = code;
317 word_count = 0;
318 executable_offset = SLJIT_EXEC_OFFSET(code);
319
320 label = compiler->labels;
321 jump = compiler->jumps;
322 const_ = compiler->consts;
323
324 do {
325 buf_ptr = (sljit_ins*)buf->memory;
326 buf_end = buf_ptr + (buf->used_size >> 2);
327 do {
328 *code_ptr = *buf_ptr++;
329 SLJIT_ASSERT(!label || label->size >= word_count);
330 SLJIT_ASSERT(!jump || jump->addr >= word_count);
331 SLJIT_ASSERT(!const_ || const_->addr >= word_count);
332 /* These structures are ordered by their address. */
333 if (label && label->size == word_count) {
334 /* Just recording the address. */
335 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
336 label->size = code_ptr - code;
337 label = label->next;
338 }
339 if (jump && jump->addr == word_count) {
340 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
341 jump->addr = (sljit_uw)(code_ptr - 3);
342 #else
343 jump->addr = (sljit_uw)(code_ptr - 6);
344 #endif
345 code_ptr = detect_jump_type(jump, code_ptr, code, executable_offset);
346 jump = jump->next;
347 }
348 if (const_ && const_->addr == word_count) {
349 /* Just recording the address. */
350 const_->addr = (sljit_uw)code_ptr;
351 const_ = const_->next;
352 }
353 code_ptr ++;
354 word_count ++;
355 } while (buf_ptr < buf_end);
356
357 buf = buf->next;
358 } while (buf);
359
360 if (label && label->size == word_count) {
361 label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
362 label->size = code_ptr - code;
363 label = label->next;
364 }
365
366 SLJIT_ASSERT(!label);
367 SLJIT_ASSERT(!jump);
368 SLJIT_ASSERT(!const_);
369 SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
370
371 jump = compiler->jumps;
372 while (jump) {
373 do {
374 addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
375 buf_ptr = (sljit_ins *)jump->addr;
376
377 if (jump->flags & PATCH_CALL) {
378 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
379 SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
380 buf_ptr[0] = CALL | (addr & 0x3fffffff);
381 break;
382 }
383 if (jump->flags & PATCH_B) {
384 addr = (sljit_sw)(addr - (sljit_uw)SLJIT_ADD_EXEC_OFFSET(buf_ptr, executable_offset)) >> 2;
385 SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
386 buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
387 break;
388 }
389
390 /* Set the fields of immediate loads. */
391 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
392 buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
393 buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
394 #else
395 #error "Implementation required"
396 #endif
397 } while (0);
398 jump = jump->next;
399 }
400
401
402 compiler->error = SLJIT_ERR_COMPILED;
403 compiler->executable_offset = executable_offset;
404 compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
405
406 code = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset);
407 code_ptr = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset);
408
409 SLJIT_CACHE_FLUSH(code, code_ptr);
410 return code;
411 }
412
sljit_has_cpu_feature(sljit_s32 feature_type)413 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type)
414 {
415 switch (feature_type) {
416 case SLJIT_HAS_FPU:
417 #ifdef SLJIT_IS_FPU_AVAILABLE
418 return SLJIT_IS_FPU_AVAILABLE;
419 #else
420 /* Available by default. */
421 return 1;
422 #endif
423
424 #if (defined SLJIT_CONFIG_SPARC_64 && SLJIT_CONFIG_SPARC_64)
425 case SLJIT_HAS_CMOV:
426 return 1;
427 #endif
428
429 default:
430 return 0;
431 }
432 }
433
434 /* --------------------------------------------------------------------- */
435 /* Entry, exit */
436 /* --------------------------------------------------------------------- */
437
438 /* Creates an index in data_transfer_insts array. */
439 #define LOAD_DATA 0x01
440 #define WORD_DATA 0x00
441 #define BYTE_DATA 0x02
442 #define HALF_DATA 0x04
443 #define INT_DATA 0x06
444 #define SIGNED_DATA 0x08
445 /* Separates integer and floating point registers */
446 #define GPR_REG 0x0f
447 #define DOUBLE_DATA 0x10
448 #define SINGLE_DATA 0x12
449
450 #define MEM_MASK 0x1f
451
452 #define ARG_TEST 0x00020
453 #define ALT_KEEP_CACHE 0x00040
454 #define CUMULATIVE_OP 0x00080
455 #define IMM_OP 0x00100
456 #define SRC2_IMM 0x00200
457
458 #define REG_DEST 0x00400
459 #define REG2_SOURCE 0x00800
460 #define SLOW_SRC1 0x01000
461 #define SLOW_SRC2 0x02000
462 #define SLOW_DEST 0x04000
463
464 /* SET_FLAGS (0x10 << 19) also belong here! */
465
466 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
467 #include "sljitNativeSPARC_32.c"
468 #else
469 #include "sljitNativeSPARC_64.c"
470 #endif
471
sljit_emit_enter(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)472 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
473 sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
474 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
475 {
476 CHECK_ERROR();
477 CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
478 set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
479
480 local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
481 compiler->local_size = local_size;
482
483 if (local_size <= SIMM_MAX) {
484 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
485 }
486 else {
487 FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
488 FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
489 }
490
491 /* Arguments are in their appropriate registers. */
492
493 return SLJIT_SUCCESS;
494 }
495
sljit_set_context(struct sljit_compiler * compiler,sljit_s32 options,sljit_s32 arg_types,sljit_s32 scratches,sljit_s32 saveds,sljit_s32 fscratches,sljit_s32 fsaveds,sljit_s32 local_size)496 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
497 sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds,
498 sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
499 {
500 CHECK_ERROR();
501 CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size));
502 set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size);
503
504 compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
505 return SLJIT_SUCCESS;
506 }
507
sljit_emit_return(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src,sljit_sw srcw)508 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
509 {
510 CHECK_ERROR();
511 CHECK(check_sljit_emit_return(compiler, op, src, srcw));
512
513 if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
514 FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
515 src = SLJIT_R0;
516 }
517
518 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
519 return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
520 }
521
522 /* --------------------------------------------------------------------- */
523 /* Operators */
524 /* --------------------------------------------------------------------- */
525
526 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
527 #define ARCH_32_64(a, b) a
528 #else
529 #define ARCH_32_64(a, b) b
530 #endif
531
532 static const sljit_ins data_transfer_insts[16 + 4] = {
533 /* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
534 /* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
535 /* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
536 /* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
537 /* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
538 /* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
539 /* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
540 /* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
541
542 /* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
543 /* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
544 /* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
545 /* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
546 /* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
547 /* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
548 /* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
549 /* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
550
551 /* d s */ OPC1(3) | OPC3(0x27),
552 /* d l */ OPC1(3) | OPC3(0x23),
553 /* s s */ OPC1(3) | OPC3(0x24),
554 /* s l */ OPC1(3) | OPC3(0x20),
555 };
556
557 #undef ARCH_32_64
558
559 /* Can perform an operation using at most 1 instruction. */
getput_arg_fast(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw)560 static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
561 {
562 SLJIT_ASSERT(arg & SLJIT_MEM);
563
564 if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
565 || ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
566 /* Works for both absoulte and relative addresses (immediate case). */
567 if (SLJIT_UNLIKELY(flags & ARG_TEST))
568 return 1;
569 FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
570 | ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg))
571 | S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
572 ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
573 return -1;
574 }
575 return 0;
576 }
577
578 /* See getput_arg below.
579 Note: can_cache is called only for binary operators. Those
580 operators always uses word arguments without write back. */
can_cache(sljit_s32 arg,sljit_sw argw,sljit_s32 next_arg,sljit_sw next_argw)581 static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
582 {
583 SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
584
585 /* Simple operation except for updates. */
586 if (arg & OFFS_REG_MASK) {
587 argw &= 0x3;
588 SLJIT_ASSERT(argw);
589 next_argw &= 0x3;
590 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
591 return 1;
592 return 0;
593 }
594
595 if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
596 return 1;
597 return 0;
598 }
599
600 /* Emit the necessary instructions. See can_cache above. */
getput_arg(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw,sljit_s32 next_arg,sljit_sw next_argw)601 static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
602 {
603 sljit_s32 base, arg2, delay_slot;
604 sljit_ins dest;
605
606 SLJIT_ASSERT(arg & SLJIT_MEM);
607 if (!(next_arg & SLJIT_MEM)) {
608 next_arg = 0;
609 next_argw = 0;
610 }
611
612 base = arg & REG_MASK;
613 if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
614 argw &= 0x3;
615
616 /* Using the cache. */
617 if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
618 arg2 = TMP_REG3;
619 else {
620 if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
621 compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
622 compiler->cache_argw = argw;
623 arg2 = TMP_REG3;
624 }
625 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
626 arg2 = reg;
627 else /* It must be a mov operation, so tmp1 must be free to use. */
628 arg2 = TMP_REG1;
629 FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
630 }
631 }
632 else {
633 /* Using the cache. */
634 if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
635 if (argw != compiler->cache_argw) {
636 FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
637 compiler->cache_argw = argw;
638 }
639 arg2 = TMP_REG3;
640 } else {
641 if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
642 compiler->cache_arg = SLJIT_MEM;
643 compiler->cache_argw = argw;
644 arg2 = TMP_REG3;
645 }
646 else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
647 arg2 = reg;
648 else /* It must be a mov operation, so tmp1 must be free to use. */
649 arg2 = TMP_REG1;
650 FAIL_IF(load_immediate(compiler, arg2, argw));
651 }
652 }
653
654 dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : FD(reg));
655 delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
656 if (!base)
657 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
658 return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
659 }
660
emit_op_mem(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg,sljit_sw argw)661 static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
662 {
663 if (getput_arg_fast(compiler, flags, reg, arg, argw))
664 return compiler->error;
665 compiler->cache_arg = 0;
666 compiler->cache_argw = 0;
667 return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
668 }
669
emit_op_mem2(struct sljit_compiler * compiler,sljit_s32 flags,sljit_s32 reg,sljit_s32 arg1,sljit_sw arg1w,sljit_s32 arg2,sljit_sw arg2w)670 static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w)
671 {
672 if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
673 return compiler->error;
674 return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
675 }
676
emit_op(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 flags,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)677 static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
678 sljit_s32 dst, sljit_sw dstw,
679 sljit_s32 src1, sljit_sw src1w,
680 sljit_s32 src2, sljit_sw src2w)
681 {
682 /* arg1 goes to TMP_REG1 or src reg
683 arg2 goes to TMP_REG2, imm or src reg
684 TMP_REG3 can be used for caching
685 result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
686 sljit_s32 dst_r = TMP_REG2;
687 sljit_s32 src1_r;
688 sljit_sw src2_r = 0;
689 sljit_s32 sugg_src2_r = TMP_REG2;
690
691 if (!(flags & ALT_KEEP_CACHE)) {
692 compiler->cache_arg = 0;
693 compiler->cache_argw = 0;
694 }
695
696 if (dst != SLJIT_UNUSED) {
697 if (FAST_IS_REG(dst)) {
698 dst_r = dst;
699 flags |= REG_DEST;
700 if (op >= SLJIT_MOV && op <= SLJIT_MOV_P)
701 sugg_src2_r = dst_r;
702 }
703 else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
704 flags |= SLOW_DEST;
705 }
706
707 if (flags & IMM_OP) {
708 if ((src2 & SLJIT_IMM) && src2w) {
709 if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
710 flags |= SRC2_IMM;
711 src2_r = src2w;
712 }
713 }
714 if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
715 if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
716 flags |= SRC2_IMM;
717 src2_r = src1w;
718
719 /* And swap arguments. */
720 src1 = src2;
721 src1w = src2w;
722 src2 = SLJIT_IMM;
723 /* src2w = src2_r unneeded. */
724 }
725 }
726 }
727
728 /* Source 1. */
729 if (FAST_IS_REG(src1))
730 src1_r = src1;
731 else if (src1 & SLJIT_IMM) {
732 if (src1w) {
733 FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
734 src1_r = TMP_REG1;
735 }
736 else
737 src1_r = 0;
738 }
739 else {
740 if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
741 FAIL_IF(compiler->error);
742 else
743 flags |= SLOW_SRC1;
744 src1_r = TMP_REG1;
745 }
746
747 /* Source 2. */
748 if (FAST_IS_REG(src2)) {
749 src2_r = src2;
750 flags |= REG2_SOURCE;
751 if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOV_P)
752 dst_r = src2_r;
753 }
754 else if (src2 & SLJIT_IMM) {
755 if (!(flags & SRC2_IMM)) {
756 if (src2w) {
757 FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
758 src2_r = sugg_src2_r;
759 }
760 else {
761 src2_r = 0;
762 if ((op >= SLJIT_MOV && op <= SLJIT_MOV_P) && (dst & SLJIT_MEM))
763 dst_r = 0;
764 }
765 }
766 }
767 else {
768 if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
769 FAIL_IF(compiler->error);
770 else
771 flags |= SLOW_SRC2;
772 src2_r = sugg_src2_r;
773 }
774
775 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
776 SLJIT_ASSERT(src2_r == TMP_REG2);
777 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
778 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
779 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
780 }
781 else {
782 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
783 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
784 }
785 }
786 else if (flags & SLOW_SRC1)
787 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
788 else if (flags & SLOW_SRC2)
789 FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
790
791 FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
792
793 if (dst & SLJIT_MEM) {
794 if (!(flags & SLOW_DEST)) {
795 getput_arg_fast(compiler, flags, dst_r, dst, dstw);
796 return compiler->error;
797 }
798 return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
799 }
800
801 return SLJIT_SUCCESS;
802 }
803
sljit_emit_op0(struct sljit_compiler * compiler,sljit_s32 op)804 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
805 {
806 CHECK_ERROR();
807 CHECK(check_sljit_emit_op0(compiler, op));
808
809 op = GET_OPCODE(op);
810 switch (op) {
811 case SLJIT_BREAKPOINT:
812 return push_inst(compiler, TA, UNMOVABLE_INS);
813 case SLJIT_NOP:
814 return push_inst(compiler, NOP, UNMOVABLE_INS);
815 case SLJIT_LMUL_UW:
816 case SLJIT_LMUL_SW:
817 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
818 FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
819 return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
820 #else
821 #error "Implementation required"
822 #endif
823 case SLJIT_DIVMOD_UW:
824 case SLJIT_DIVMOD_SW:
825 case SLJIT_DIV_UW:
826 case SLJIT_DIV_SW:
827 SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
828 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
829 if ((op | 0x2) == SLJIT_DIV_UW)
830 FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
831 else {
832 FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
833 FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
834 }
835 if (op <= SLJIT_DIVMOD_SW)
836 FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
837 FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
838 if (op >= SLJIT_DIV_UW)
839 return SLJIT_SUCCESS;
840 FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
841 return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
842 #else
843 #error "Implementation required"
844 #endif
845 }
846
847 return SLJIT_SUCCESS;
848 }
849
sljit_emit_op1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)850 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
851 sljit_s32 dst, sljit_sw dstw,
852 sljit_s32 src, sljit_sw srcw)
853 {
854 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
855
856 CHECK_ERROR();
857 CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
858 ADJUST_LOCAL_OFFSET(dst, dstw);
859 ADJUST_LOCAL_OFFSET(src, srcw);
860
861 if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
862 return SLJIT_SUCCESS;
863
864 op = GET_OPCODE(op);
865 switch (op) {
866 case SLJIT_MOV:
867 case SLJIT_MOV_P:
868 return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
869
870 case SLJIT_MOV_U32:
871 return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
872
873 case SLJIT_MOV_S32:
874 return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
875
876 case SLJIT_MOV_U8:
877 return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
878
879 case SLJIT_MOV_S8:
880 return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw);
881
882 case SLJIT_MOV_U16:
883 return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
884
885 case SLJIT_MOV_S16:
886 return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw);
887
888 case SLJIT_NOT:
889 case SLJIT_CLZ:
890 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
891
892 case SLJIT_NEG:
893 return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
894 }
895
896 return SLJIT_SUCCESS;
897 }
898
sljit_emit_op2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)899 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
900 sljit_s32 dst, sljit_sw dstw,
901 sljit_s32 src1, sljit_sw src1w,
902 sljit_s32 src2, sljit_sw src2w)
903 {
904 sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
905
906 CHECK_ERROR();
907 CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
908 ADJUST_LOCAL_OFFSET(dst, dstw);
909 ADJUST_LOCAL_OFFSET(src1, src1w);
910 ADJUST_LOCAL_OFFSET(src2, src2w);
911
912 if (dst == SLJIT_UNUSED && !HAS_FLAGS(op))
913 return SLJIT_SUCCESS;
914
915 op = GET_OPCODE(op);
916 switch (op) {
917 case SLJIT_ADD:
918 case SLJIT_ADDC:
919 case SLJIT_MUL:
920 case SLJIT_AND:
921 case SLJIT_OR:
922 case SLJIT_XOR:
923 return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
924
925 case SLJIT_SUB:
926 case SLJIT_SUBC:
927 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
928
929 case SLJIT_SHL:
930 case SLJIT_LSHR:
931 case SLJIT_ASHR:
932 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
933 if (src2 & SLJIT_IMM)
934 src2w &= 0x1f;
935 #else
936 SLJIT_UNREACHABLE();
937 #endif
938 return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
939 }
940
941 return SLJIT_SUCCESS;
942 }
943
sljit_get_register_index(sljit_s32 reg)944 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
945 {
946 CHECK_REG_INDEX(check_sljit_get_register_index(reg));
947 return reg_map[reg];
948 }
949
sljit_get_float_register_index(sljit_s32 reg)950 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
951 {
952 CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
953 return freg_map[reg];
954 }
955
sljit_emit_op_custom(struct sljit_compiler * compiler,void * instruction,sljit_s32 size)956 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
957 void *instruction, sljit_s32 size)
958 {
959 CHECK_ERROR();
960 CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
961
962 return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
963 }
964
965 /* --------------------------------------------------------------------- */
966 /* Floating point operators */
967 /* --------------------------------------------------------------------- */
968
969 #define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
970 #define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
971 #define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
972
sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)973 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
974 sljit_s32 dst, sljit_sw dstw,
975 sljit_s32 src, sljit_sw srcw)
976 {
977 if (src & SLJIT_MEM) {
978 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
979 src = TMP_FREG1;
980 }
981
982 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | FD(TMP_FREG1) | FS2(src), MOVABLE_INS));
983
984 if (FAST_IS_REG(dst)) {
985 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET));
986 return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET);
987 }
988
989 /* Store the integer value from a VFP register. */
990 return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
991 }
992
sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)993 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
994 sljit_s32 dst, sljit_sw dstw,
995 sljit_s32 src, sljit_sw srcw)
996 {
997 sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
998
999 if (src & SLJIT_IMM) {
1000 #if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
1001 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
1002 srcw = (sljit_s32)srcw;
1003 #endif
1004 FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
1005 src = TMP_REG1;
1006 srcw = 0;
1007 }
1008
1009 if (FAST_IS_REG(src)) {
1010 FAIL_IF(emit_op_mem2(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET));
1011 src = SLJIT_MEM1(SLJIT_SP);
1012 srcw = FLOAT_TMP_MEM_OFFSET;
1013 }
1014
1015 FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
1016 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | FD(dst_r) | FS2(TMP_FREG1), MOVABLE_INS));
1017
1018 if (dst & SLJIT_MEM)
1019 return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
1020 return SLJIT_SUCCESS;
1021 }
1022
sljit_emit_fop1_cmp(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1023 static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
1024 sljit_s32 src1, sljit_sw src1w,
1025 sljit_s32 src2, sljit_sw src2w)
1026 {
1027 if (src1 & SLJIT_MEM) {
1028 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1029 src1 = TMP_FREG1;
1030 }
1031
1032 if (src2 & SLJIT_MEM) {
1033 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
1034 src2 = TMP_FREG2;
1035 }
1036
1037 return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | FS1(src1) | FS2(src2), FCC_IS_SET | MOVABLE_INS);
1038 }
1039
sljit_emit_fop1(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src,sljit_sw srcw)1040 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
1041 sljit_s32 dst, sljit_sw dstw,
1042 sljit_s32 src, sljit_sw srcw)
1043 {
1044 sljit_s32 dst_r;
1045
1046 CHECK_ERROR();
1047 compiler->cache_arg = 0;
1048 compiler->cache_argw = 0;
1049
1050 SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
1051 SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
1052
1053 if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
1054 op ^= SLJIT_F32_OP;
1055
1056 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1;
1057
1058 if (src & SLJIT_MEM) {
1059 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
1060 src = dst_r;
1061 }
1062
1063 switch (GET_OPCODE(op)) {
1064 case SLJIT_MOV_F64:
1065 if (src != dst_r) {
1066 if (dst_r != TMP_FREG1) {
1067 FAIL_IF(push_inst(compiler, FMOVS | FD(dst_r) | FS2(src), MOVABLE_INS));
1068 if (!(op & SLJIT_F32_OP))
1069 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1070 }
1071 else
1072 dst_r = src;
1073 }
1074 break;
1075 case SLJIT_NEG_F64:
1076 FAIL_IF(push_inst(compiler, FNEGS | FD(dst_r) | FS2(src), MOVABLE_INS));
1077 if (dst_r != src && !(op & SLJIT_F32_OP))
1078 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1079 break;
1080 case SLJIT_ABS_F64:
1081 FAIL_IF(push_inst(compiler, FABSS | FD(dst_r) | FS2(src), MOVABLE_INS));
1082 if (dst_r != src && !(op & SLJIT_F32_OP))
1083 FAIL_IF(push_inst(compiler, FMOVS | FDN(dst_r) | FS2N(src), MOVABLE_INS));
1084 break;
1085 case SLJIT_CONV_F64_FROM_F32:
1086 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | FD(dst_r) | FS2(src), MOVABLE_INS));
1087 op ^= SLJIT_F32_OP;
1088 break;
1089 }
1090
1091 if (dst & SLJIT_MEM)
1092 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
1093 return SLJIT_SUCCESS;
1094 }
1095
sljit_emit_fop2(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 src1,sljit_sw src1w,sljit_s32 src2,sljit_sw src2w)1096 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
1097 sljit_s32 dst, sljit_sw dstw,
1098 sljit_s32 src1, sljit_sw src1w,
1099 sljit_s32 src2, sljit_sw src2w)
1100 {
1101 sljit_s32 dst_r, flags = 0;
1102
1103 CHECK_ERROR();
1104 CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
1105 ADJUST_LOCAL_OFFSET(dst, dstw);
1106 ADJUST_LOCAL_OFFSET(src1, src1w);
1107 ADJUST_LOCAL_OFFSET(src2, src2w);
1108
1109 compiler->cache_arg = 0;
1110 compiler->cache_argw = 0;
1111
1112 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG2;
1113
1114 if (src1 & SLJIT_MEM) {
1115 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
1116 FAIL_IF(compiler->error);
1117 src1 = TMP_FREG1;
1118 } else
1119 flags |= SLOW_SRC1;
1120 }
1121
1122 if (src2 & SLJIT_MEM) {
1123 if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
1124 FAIL_IF(compiler->error);
1125 src2 = TMP_FREG2;
1126 } else
1127 flags |= SLOW_SRC2;
1128 }
1129
1130 if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
1131 if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
1132 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
1133 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1134 }
1135 else {
1136 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
1137 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1138 }
1139 }
1140 else if (flags & SLOW_SRC1)
1141 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
1142 else if (flags & SLOW_SRC2)
1143 FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
1144
1145 if (flags & SLOW_SRC1)
1146 src1 = TMP_FREG1;
1147 if (flags & SLOW_SRC2)
1148 src2 = TMP_FREG2;
1149
1150 switch (GET_OPCODE(op)) {
1151 case SLJIT_ADD_F64:
1152 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1153 break;
1154
1155 case SLJIT_SUB_F64:
1156 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1157 break;
1158
1159 case SLJIT_MUL_F64:
1160 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1161 break;
1162
1163 case SLJIT_DIV_F64:
1164 FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | FD(dst_r) | FS1(src1) | FS2(src2), MOVABLE_INS));
1165 break;
1166 }
1167
1168 if (dst_r == TMP_FREG2)
1169 FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
1170
1171 return SLJIT_SUCCESS;
1172 }
1173
1174 #undef FLOAT_DATA
1175 #undef SELECT_FOP
1176
1177 /* --------------------------------------------------------------------- */
1178 /* Other instructions */
1179 /* --------------------------------------------------------------------- */
1180
sljit_emit_fast_enter(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw)1181 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
1182 {
1183 CHECK_ERROR();
1184 CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
1185 ADJUST_LOCAL_OFFSET(dst, dstw);
1186
1187 if (FAST_IS_REG(dst))
1188 return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
1189
1190 /* Memory. */
1191 return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
1192 }
1193
sljit_emit_fast_return(struct sljit_compiler * compiler,sljit_s32 src,sljit_sw srcw)1194 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
1195 {
1196 CHECK_ERROR();
1197 CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
1198 ADJUST_LOCAL_OFFSET(src, srcw);
1199
1200 if (FAST_IS_REG(src))
1201 FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
1202 else
1203 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
1204
1205 FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
1206 return push_inst(compiler, NOP, UNMOVABLE_INS);
1207 }
1208
1209 /* --------------------------------------------------------------------- */
1210 /* Conditional instructions */
1211 /* --------------------------------------------------------------------- */
1212
sljit_emit_label(struct sljit_compiler * compiler)1213 SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
1214 {
1215 struct sljit_label *label;
1216
1217 CHECK_ERROR_PTR();
1218 CHECK_PTR(check_sljit_emit_label(compiler));
1219
1220 if (compiler->last_label && compiler->last_label->size == compiler->size)
1221 return compiler->last_label;
1222
1223 label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
1224 PTR_FAIL_IF(!label);
1225 set_label(label, compiler);
1226 compiler->delay_slot = UNMOVABLE_INS;
1227 return label;
1228 }
1229
get_cc(sljit_s32 type)1230 static sljit_ins get_cc(sljit_s32 type)
1231 {
1232 switch (type) {
1233 case SLJIT_EQUAL:
1234 case SLJIT_MUL_NOT_OVERFLOW:
1235 case SLJIT_NOT_EQUAL_F64: /* Unordered. */
1236 return DA(0x1);
1237
1238 case SLJIT_NOT_EQUAL:
1239 case SLJIT_MUL_OVERFLOW:
1240 case SLJIT_EQUAL_F64:
1241 return DA(0x9);
1242
1243 case SLJIT_LESS:
1244 case SLJIT_GREATER_F64: /* Unordered. */
1245 return DA(0x5);
1246
1247 case SLJIT_GREATER_EQUAL:
1248 case SLJIT_LESS_EQUAL_F64:
1249 return DA(0xd);
1250
1251 case SLJIT_GREATER:
1252 case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
1253 return DA(0xc);
1254
1255 case SLJIT_LESS_EQUAL:
1256 case SLJIT_LESS_F64:
1257 return DA(0x4);
1258
1259 case SLJIT_SIG_LESS:
1260 return DA(0x3);
1261
1262 case SLJIT_SIG_GREATER_EQUAL:
1263 return DA(0xb);
1264
1265 case SLJIT_SIG_GREATER:
1266 return DA(0xa);
1267
1268 case SLJIT_SIG_LESS_EQUAL:
1269 return DA(0x2);
1270
1271 case SLJIT_OVERFLOW:
1272 case SLJIT_UNORDERED_F64:
1273 return DA(0x7);
1274
1275 case SLJIT_NOT_OVERFLOW:
1276 case SLJIT_ORDERED_F64:
1277 return DA(0xf);
1278
1279 default:
1280 SLJIT_UNREACHABLE();
1281 return DA(0x8);
1282 }
1283 }
1284
sljit_emit_jump(struct sljit_compiler * compiler,sljit_s32 type)1285 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
1286 {
1287 struct sljit_jump *jump;
1288
1289 CHECK_ERROR_PTR();
1290 CHECK_PTR(check_sljit_emit_jump(compiler, type));
1291
1292 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1293 PTR_FAIL_IF(!jump);
1294 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
1295 type &= 0xff;
1296
1297 if (type < SLJIT_EQUAL_F64) {
1298 jump->flags |= IS_COND;
1299 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
1300 jump->flags |= IS_MOVABLE;
1301 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1302 PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1303 #else
1304 #error "Implementation required"
1305 #endif
1306 }
1307 else if (type < SLJIT_JUMP) {
1308 jump->flags |= IS_COND;
1309 if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
1310 jump->flags |= IS_MOVABLE;
1311 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1312 PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
1313 #else
1314 #error "Implementation required"
1315 #endif
1316 }
1317 else {
1318 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1319 jump->flags |= IS_MOVABLE;
1320 if (type >= SLJIT_FAST_CALL)
1321 jump->flags |= IS_CALL;
1322 }
1323
1324 PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1325 PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG1) | IMM(0), UNMOVABLE_INS));
1326 jump->addr = compiler->size;
1327 PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
1328
1329 return jump;
1330 }
1331
sljit_emit_call(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types)1332 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
1333 sljit_s32 arg_types)
1334 {
1335 CHECK_ERROR_PTR();
1336 CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
1337
1338 PTR_FAIL_IF(call_with_args(compiler, arg_types, NULL));
1339
1340 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1341 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1342 compiler->skip_checks = 1;
1343 #endif
1344
1345 return sljit_emit_jump(compiler, type);
1346 }
1347
sljit_emit_ijump(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 src,sljit_sw srcw)1348 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
1349 {
1350 struct sljit_jump *jump = NULL;
1351 sljit_s32 src_r;
1352
1353 CHECK_ERROR();
1354 CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
1355 ADJUST_LOCAL_OFFSET(src, srcw);
1356
1357 if (FAST_IS_REG(src))
1358 src_r = src;
1359 else if (src & SLJIT_IMM) {
1360 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
1361 FAIL_IF(!jump);
1362 set_jump(jump, compiler, JUMP_ADDR);
1363 jump->u.target = srcw;
1364
1365 if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
1366 jump->flags |= IS_MOVABLE;
1367 if (type >= SLJIT_FAST_CALL)
1368 jump->flags |= IS_CALL;
1369
1370 FAIL_IF(emit_const(compiler, TMP_REG1, 0));
1371 src_r = TMP_REG1;
1372 }
1373 else {
1374 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1375 src_r = TMP_REG1;
1376 }
1377
1378 FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
1379 if (jump)
1380 jump->addr = compiler->size;
1381 return push_inst(compiler, NOP, UNMOVABLE_INS);
1382 }
1383
sljit_emit_icall(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 arg_types,sljit_s32 src,sljit_sw srcw)1384 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
1385 sljit_s32 arg_types,
1386 sljit_s32 src, sljit_sw srcw)
1387 {
1388 CHECK_ERROR();
1389 CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
1390
1391 if (src & SLJIT_MEM) {
1392 ADJUST_LOCAL_OFFSET(src, srcw);
1393 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw));
1394 src = TMP_REG1;
1395 }
1396
1397 FAIL_IF(call_with_args(compiler, arg_types, &src));
1398
1399 #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \
1400 || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS)
1401 compiler->skip_checks = 1;
1402 #endif
1403
1404 return sljit_emit_ijump(compiler, type, src, srcw);
1405 }
1406
sljit_emit_op_flags(struct sljit_compiler * compiler,sljit_s32 op,sljit_s32 dst,sljit_sw dstw,sljit_s32 type)1407 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
1408 sljit_s32 dst, sljit_sw dstw,
1409 sljit_s32 type)
1410 {
1411 sljit_s32 reg, flags = HAS_FLAGS(op) ? SET_FLAGS : 0;
1412
1413 CHECK_ERROR();
1414 CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type));
1415 ADJUST_LOCAL_OFFSET(dst, dstw);
1416
1417 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1418 op = GET_OPCODE(op);
1419 reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
1420
1421 compiler->cache_arg = 0;
1422 compiler->cache_argw = 0;
1423
1424 if (op >= SLJIT_ADD && (dst & SLJIT_MEM))
1425 FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, dst, dstw, dst, dstw));
1426
1427 type &= 0xff;
1428 if (type < SLJIT_EQUAL_F64)
1429 FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
1430 else
1431 FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
1432
1433 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
1434 FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
1435
1436 if (op >= SLJIT_ADD) {
1437 flags |= CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE;
1438 if (dst & SLJIT_MEM)
1439 return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
1440 return emit_op(compiler, op, flags, dst, 0, dst, 0, TMP_REG2, 0);
1441 }
1442
1443 if (!(dst & SLJIT_MEM))
1444 return SLJIT_SUCCESS;
1445
1446 return emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw);
1447 #else
1448 #error "Implementation required"
1449 #endif
1450 }
1451
sljit_emit_cmov(struct sljit_compiler * compiler,sljit_s32 type,sljit_s32 dst_reg,sljit_s32 src,sljit_sw srcw)1452 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type,
1453 sljit_s32 dst_reg,
1454 sljit_s32 src, sljit_sw srcw)
1455 {
1456 CHECK_ERROR();
1457 CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw));
1458
1459 #if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
1460 return sljit_emit_cmov_generic(compiler, type, dst_reg, src, srcw);;
1461 #else
1462 #error "Implementation required"
1463 #endif
1464 }
1465
sljit_emit_const(struct sljit_compiler * compiler,sljit_s32 dst,sljit_sw dstw,sljit_sw init_value)1466 SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
1467 {
1468 sljit_s32 reg;
1469 struct sljit_const *const_;
1470
1471 CHECK_ERROR_PTR();
1472 CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
1473 ADJUST_LOCAL_OFFSET(dst, dstw);
1474
1475 const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
1476 PTR_FAIL_IF(!const_);
1477 set_const(const_, compiler);
1478
1479 reg = FAST_IS_REG(dst) ? dst : TMP_REG2;
1480
1481 PTR_FAIL_IF(emit_const(compiler, reg, init_value));
1482
1483 if (dst & SLJIT_MEM)
1484 PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
1485 return const_;
1486 }
1487