/[pcre]/code/trunk/sljit/sljitNativeMIPS_32.c
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Contents of /code/trunk/sljit/sljitNativeMIPS_32.c

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Revision 1195 - (show annotations)
Thu Nov 1 15:21:27 2012 UTC (6 years, 10 months ago) by zherczeg
File MIME type: text/plain
File size: 16304 byte(s)
Error occurred while calculating annotation data.
Another huge JIT compiler update.
1 /*
2 * Stack-less Just-In-Time compiler
3 *
4 * Copyright 2009-2012 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
27 /* mips 32-bit arch dependent functions. */
28
29 static sljit_si load_immediate(struct sljit_compiler *compiler, sljit_si dst_ar, sljit_sw imm)
30 {
31 if (!(imm & ~0xffff))
32 return push_inst(compiler, ORI | SA(0) | TA(dst_ar) | IMM(imm), dst_ar);
33
34 if (imm < 0 && imm >= SIMM_MIN)
35 return push_inst(compiler, ADDIU | SA(0) | TA(dst_ar) | IMM(imm), dst_ar);
36
37 FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(imm >> 16), dst_ar));
38 return (imm & 0xffff) ? push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar) : SLJIT_SUCCESS;
39 }
40
41 #define EMIT_LOGICAL(op_imm, op_norm) \
42 if (flags & SRC2_IMM) { \
43 if (op & SLJIT_SET_E) \
44 FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \
45 if (CHECK_FLAGS(SLJIT_SET_E)) \
46 FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \
47 } \
48 else { \
49 if (op & SLJIT_SET_E) \
50 FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
51 if (CHECK_FLAGS(SLJIT_SET_E)) \
52 FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | D(dst), DR(dst))); \
53 }
54
55 #define EMIT_SHIFT(op_imm, op_norm) \
56 if (flags & SRC2_IMM) { \
57 if (op & SLJIT_SET_E) \
58 FAIL_IF(push_inst(compiler, op_imm | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \
59 if (CHECK_FLAGS(SLJIT_SET_E)) \
60 FAIL_IF(push_inst(compiler, op_imm | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \
61 } \
62 else { \
63 if (op & SLJIT_SET_E) \
64 FAIL_IF(push_inst(compiler, op_norm | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
65 if (CHECK_FLAGS(SLJIT_SET_E)) \
66 FAIL_IF(push_inst(compiler, op_norm | S(src2) | T(src1) | D(dst), DR(dst))); \
67 }
68
69 static SLJIT_INLINE sljit_si emit_single_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
70 sljit_si dst, sljit_si src1, sljit_sw src2)
71 {
72 sljit_si overflow_ra = 0;
73
74 switch (GET_OPCODE(op)) {
75 case SLJIT_MOV:
76 case SLJIT_MOV_UI:
77 case SLJIT_MOV_SI:
78 case SLJIT_MOV_P:
79 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
80 if (dst != src2)
81 return push_inst(compiler, ADDU | S(src2) | TA(0) | D(dst), DR(dst));
82 return SLJIT_SUCCESS;
83
84 case SLJIT_MOV_UB:
85 case SLJIT_MOV_SB:
86 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
87 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
88 if (op == SLJIT_MOV_SB) {
89 #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
90 return push_inst(compiler, SEB | T(src2) | D(dst), DR(dst));
91 #else
92 FAIL_IF(push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(24), DR(dst)));
93 return push_inst(compiler, SRA | T(dst) | D(dst) | SH_IMM(24), DR(dst));
94 #endif
95 }
96 return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst));
97 }
98 else if (dst != src2)
99 SLJIT_ASSERT_STOP();
100 return SLJIT_SUCCESS;
101
102 case SLJIT_MOV_UH:
103 case SLJIT_MOV_SH:
104 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
105 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
106 if (op == SLJIT_MOV_SH) {
107 #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
108 return push_inst(compiler, SEH | T(src2) | D(dst), DR(dst));
109 #else
110 FAIL_IF(push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(16), DR(dst)));
111 return push_inst(compiler, SRA | T(dst) | D(dst) | SH_IMM(16), DR(dst));
112 #endif
113 }
114 return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst));
115 }
116 else if (dst != src2)
117 SLJIT_ASSERT_STOP();
118 return SLJIT_SUCCESS;
119
120 case SLJIT_NOT:
121 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
122 if (op & SLJIT_SET_E)
123 FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
124 if (CHECK_FLAGS(SLJIT_SET_E))
125 FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | D(dst), DR(dst)));
126 return SLJIT_SUCCESS;
127
128 case SLJIT_CLZ:
129 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
130 #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
131 if (op & SLJIT_SET_E)
132 FAIL_IF(push_inst(compiler, CLZ | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
133 if (CHECK_FLAGS(SLJIT_SET_E))
134 FAIL_IF(push_inst(compiler, CLZ | S(src2) | T(dst) | D(dst), DR(dst)));
135 #else
136 if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) {
137 FAIL_IF(push_inst(compiler, SRL | T(src2) | DA(EQUAL_FLAG) | SH_IMM(31), EQUAL_FLAG));
138 return push_inst(compiler, XORI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG);
139 }
140 /* Nearly all instructions are unmovable in the following sequence. */
141 FAIL_IF(push_inst(compiler, ADDU_W | S(src2) | TA(0) | D(TMP_REG1), DR(TMP_REG1)));
142 /* Check zero. */
143 FAIL_IF(push_inst(compiler, BEQ | S(TMP_REG1) | TA(0) | IMM(5), UNMOVABLE_INS));
144 FAIL_IF(push_inst(compiler, ORI | SA(0) | T(dst) | IMM(32), UNMOVABLE_INS));
145 FAIL_IF(push_inst(compiler, ADDIU_W | SA(0) | T(dst) | IMM(-1), DR(dst)));
146 /* Loop for searching the highest bit. */
147 FAIL_IF(push_inst(compiler, ADDIU_W | S(dst) | T(dst) | IMM(1), DR(dst)));
148 FAIL_IF(push_inst(compiler, BGEZ | S(TMP_REG1) | IMM(-2), UNMOVABLE_INS));
149 FAIL_IF(push_inst(compiler, SLL | T(TMP_REG1) | D(TMP_REG1) | SH_IMM(1), UNMOVABLE_INS));
150 if (op & SLJIT_SET_E)
151 return push_inst(compiler, ADDU_W | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG);
152 #endif
153 return SLJIT_SUCCESS;
154
155 case SLJIT_ADD:
156 if (flags & SRC2_IMM) {
157 if (op & SLJIT_SET_O) {
158 FAIL_IF(push_inst(compiler, SRL | T(src1) | DA(TMP_EREG1) | SH_IMM(31), TMP_EREG1));
159 if (src2 < 0)
160 FAIL_IF(push_inst(compiler, XORI | SA(TMP_EREG1) | TA(TMP_EREG1) | IMM(1), TMP_EREG1));
161 }
162 if (op & SLJIT_SET_E)
163 FAIL_IF(push_inst(compiler, ADDIU | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
164 if (op & SLJIT_SET_C) {
165 if (src2 >= 0)
166 FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
167 else {
168 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
169 FAIL_IF(push_inst(compiler, OR | S(src1) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
170 }
171 }
172 /* dst may be the same as src1 or src2. */
173 if (CHECK_FLAGS(SLJIT_SET_E))
174 FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(src2), DR(dst)));
175 if (op & SLJIT_SET_O) {
176 FAIL_IF(push_inst(compiler, SRL | T(dst) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG));
177 if (src2 < 0)
178 FAIL_IF(push_inst(compiler, XORI | SA(OVERFLOW_FLAG) | TA(OVERFLOW_FLAG) | IMM(1), OVERFLOW_FLAG));
179 }
180 }
181 else {
182 if (op & SLJIT_SET_O) {
183 FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
184 FAIL_IF(push_inst(compiler, SRL | TA(TMP_EREG1) | DA(TMP_EREG1) | SH_IMM(31), TMP_EREG1));
185 if (src1 != dst)
186 overflow_ra = DR(src1);
187 else if (src2 != dst)
188 overflow_ra = DR(src2);
189 else {
190 /* Rare ocasion. */
191 FAIL_IF(push_inst(compiler, ADDU | S(src1) | TA(0) | DA(TMP_EREG2), TMP_EREG2));
192 overflow_ra = TMP_EREG2;
193 }
194 }
195 if (op & SLJIT_SET_E)
196 FAIL_IF(push_inst(compiler, ADDU | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
197 if (op & SLJIT_SET_C)
198 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG));
199 /* dst may be the same as src1 or src2. */
200 if (CHECK_FLAGS(SLJIT_SET_E))
201 FAIL_IF(push_inst(compiler, ADDU | S(src1) | T(src2) | D(dst), DR(dst)));
202 if (op & SLJIT_SET_O) {
203 FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(overflow_ra) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
204 FAIL_IF(push_inst(compiler, SRL | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG));
205 }
206 }
207
208 /* a + b >= a | b (otherwise, the carry should be set to 1). */
209 if (op & SLJIT_SET_C)
210 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
211 if (op & SLJIT_SET_O)
212 return push_inst(compiler, MOVN | SA(0) | TA(TMP_EREG1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG);
213 return SLJIT_SUCCESS;
214
215 case SLJIT_ADDC:
216 if (flags & SRC2_IMM) {
217 if (op & SLJIT_SET_C) {
218 if (src2 >= 0)
219 FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(TMP_EREG1) | IMM(src2), TMP_EREG1));
220 else {
221 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | TA(TMP_EREG1) | IMM(src2), TMP_EREG1));
222 FAIL_IF(push_inst(compiler, OR | S(src1) | TA(TMP_EREG1) | DA(TMP_EREG1), TMP_EREG1));
223 }
224 }
225 FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(src2), DR(dst)));
226 } else {
227 if (op & SLJIT_SET_C)
228 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
229 /* dst may be the same as src1 or src2. */
230 FAIL_IF(push_inst(compiler, ADDU | S(src1) | T(src2) | D(dst), DR(dst)));
231 }
232 if (op & SLJIT_SET_C)
233 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(TMP_EREG1) | DA(TMP_EREG1), TMP_EREG1));
234
235 FAIL_IF(push_inst(compiler, ADDU | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst)));
236 if (!(op & SLJIT_SET_C))
237 return SLJIT_SUCCESS;
238
239 /* Set TMP_EREG2 (dst == 0) && (ULESS_FLAG == 1). */
240 FAIL_IF(push_inst(compiler, SLTIU | S(dst) | TA(TMP_EREG2) | IMM(1), TMP_EREG2));
241 FAIL_IF(push_inst(compiler, AND | SA(TMP_EREG2) | TA(ULESS_FLAG) | DA(TMP_EREG2), TMP_EREG2));
242 /* Set carry flag. */
243 return push_inst(compiler, OR | SA(TMP_EREG2) | TA(TMP_EREG1) | DA(ULESS_FLAG), ULESS_FLAG);
244
245 case SLJIT_SUB:
246 if ((flags & SRC2_IMM) && ((op & (SLJIT_SET_S | SLJIT_SET_U)) || src2 == SIMM_MIN)) {
247 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
248 src2 = TMP_REG2;
249 flags &= ~SRC2_IMM;
250 }
251
252 if (flags & SRC2_IMM) {
253 if (op & SLJIT_SET_O) {
254 FAIL_IF(push_inst(compiler, SRL | T(src1) | DA(TMP_EREG1) | SH_IMM(31), TMP_EREG1));
255 if (src2 < 0)
256 FAIL_IF(push_inst(compiler, XORI | SA(TMP_EREG1) | TA(TMP_EREG1) | IMM(1), TMP_EREG1));
257 if (src1 != dst)
258 overflow_ra = DR(src1);
259 else {
260 /* Rare ocasion. */
261 FAIL_IF(push_inst(compiler, ADDU | S(src1) | TA(0) | DA(TMP_EREG2), TMP_EREG2));
262 overflow_ra = TMP_EREG2;
263 }
264 }
265 if (op & SLJIT_SET_E)
266 FAIL_IF(push_inst(compiler, ADDIU | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG));
267 if (op & SLJIT_SET_C)
268 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
269 /* dst may be the same as src1 or src2. */
270 if (CHECK_FLAGS(SLJIT_SET_E))
271 FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(-src2), DR(dst)));
272 }
273 else {
274 if (op & SLJIT_SET_O) {
275 FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
276 FAIL_IF(push_inst(compiler, SRL | TA(TMP_EREG1) | DA(TMP_EREG1) | SH_IMM(31), TMP_EREG1));
277 if (src1 != dst)
278 overflow_ra = DR(src1);
279 else {
280 /* Rare ocasion. */
281 FAIL_IF(push_inst(compiler, ADDU | S(src1) | TA(0) | DA(TMP_EREG2), TMP_EREG2));
282 overflow_ra = TMP_EREG2;
283 }
284 }
285 if (op & SLJIT_SET_E)
286 FAIL_IF(push_inst(compiler, SUBU | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
287 if (op & (SLJIT_SET_U | SLJIT_SET_C))
288 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG));
289 if (op & SLJIT_SET_U)
290 FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(UGREATER_FLAG), UGREATER_FLAG));
291 if (op & SLJIT_SET_S) {
292 FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(LESS_FLAG), LESS_FLAG));
293 FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(GREATER_FLAG), GREATER_FLAG));
294 }
295 /* dst may be the same as src1 or src2. */
296 if (CHECK_FLAGS(SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_C))
297 FAIL_IF(push_inst(compiler, SUBU | S(src1) | T(src2) | D(dst), DR(dst)));
298 }
299
300 if (op & SLJIT_SET_O) {
301 FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(overflow_ra) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
302 FAIL_IF(push_inst(compiler, SRL | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG));
303 return push_inst(compiler, MOVZ | SA(0) | TA(TMP_EREG1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG);
304 }
305 return SLJIT_SUCCESS;
306
307 case SLJIT_SUBC:
308 if ((flags & SRC2_IMM) && src2 == SIMM_MIN) {
309 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
310 src2 = TMP_REG2;
311 flags &= ~SRC2_IMM;
312 }
313
314 if (flags & SRC2_IMM) {
315 if (op & SLJIT_SET_C)
316 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(TMP_EREG1) | IMM(-src2), TMP_EREG1));
317 /* dst may be the same as src1 or src2. */
318 FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(-src2), DR(dst)));
319 }
320 else {
321 if (op & SLJIT_SET_C)
322 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
323 /* dst may be the same as src1 or src2. */
324 FAIL_IF(push_inst(compiler, SUBU | S(src1) | T(src2) | D(dst), DR(dst)));
325 }
326
327 if (op & SLJIT_SET_C)
328 FAIL_IF(push_inst(compiler, MOVZ | SA(ULESS_FLAG) | T(dst) | DA(TMP_EREG1), TMP_EREG1));
329
330 FAIL_IF(push_inst(compiler, SUBU | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst)));
331
332 if (op & SLJIT_SET_C)
333 FAIL_IF(push_inst(compiler, ADDU | SA(TMP_EREG1) | TA(0) | DA(ULESS_FLAG), ULESS_FLAG));
334
335 return SLJIT_SUCCESS;
336
337 case SLJIT_MUL:
338 SLJIT_ASSERT(!(flags & SRC2_IMM));
339 if (!(op & SLJIT_SET_O)) {
340 #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
341 return push_inst(compiler, MUL | S(src1) | T(src2) | D(dst), DR(dst));
342 #else
343 FAIL_IF(push_inst(compiler, MULT | S(src1) | T(src2), MOVABLE_INS));
344 return push_inst(compiler, MFLO | D(dst), DR(dst));
345 #endif
346 }
347 FAIL_IF(push_inst(compiler, MULT | S(src1) | T(src2), MOVABLE_INS));
348 FAIL_IF(push_inst(compiler, MFHI | DA(TMP_EREG1), TMP_EREG1));
349 FAIL_IF(push_inst(compiler, MFLO | D(dst), DR(dst)));
350 FAIL_IF(push_inst(compiler, SRA | T(dst) | DA(TMP_EREG2) | SH_IMM(31), TMP_EREG2));
351 return push_inst(compiler, SUBU | SA(TMP_EREG1) | TA(TMP_EREG2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG);
352
353 case SLJIT_AND:
354 EMIT_LOGICAL(ANDI, AND);
355 return SLJIT_SUCCESS;
356
357 case SLJIT_OR:
358 EMIT_LOGICAL(ORI, OR);
359 return SLJIT_SUCCESS;
360
361 case SLJIT_XOR:
362 EMIT_LOGICAL(XORI, XOR);
363 return SLJIT_SUCCESS;
364
365 case SLJIT_SHL:
366 EMIT_SHIFT(SLL, SLLV);
367 return SLJIT_SUCCESS;
368
369 case SLJIT_LSHR:
370 EMIT_SHIFT(SRL, SRLV);
371 return SLJIT_SUCCESS;
372
373 case SLJIT_ASHR:
374 EMIT_SHIFT(SRA, SRAV);
375 return SLJIT_SUCCESS;
376 }
377
378 SLJIT_ASSERT_STOP();
379 return SLJIT_SUCCESS;
380 }
381
382 static SLJIT_INLINE sljit_si emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw init_value)
383 {
384 FAIL_IF(push_inst(compiler, LUI | T(dst) | IMM(init_value >> 16), DR(dst)));
385 return push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value), DR(dst));
386 }
387
388 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
389 {
390 sljit_ins *inst = (sljit_ins*)addr;
391
392 inst[0] = (inst[0] & 0xffff0000) | ((new_addr >> 16) & 0xffff);
393 inst[1] = (inst[1] & 0xffff0000) | (new_addr & 0xffff);
394 SLJIT_CACHE_FLUSH(inst, inst + 2);
395 }
396
397 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
398 {
399 sljit_ins *inst = (sljit_ins*)addr;
400
401 inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
402 inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff);
403 SLJIT_CACHE_FLUSH(inst, inst + 2);
404 }

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