2 * Stack-less Just-In-Time compiler
4 * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
6 * Redistribution and use in source and binary forms, with or without modification, are
7 * permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice, this list of
10 * conditions and the following disclaimer.
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.
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.
27 /* mips 64-bit arch dependent functions. */
29 static sljit_si load_immediate(struct sljit_compiler *compiler, sljit_si dst_ar, sljit_sw imm)
38 return push_inst(compiler, ORI | SA(0) | TA(dst_ar) | IMM(imm), dst_ar);
40 if (imm < 0 && imm >= SIMM_MIN)
41 return push_inst(compiler, ADDIU | SA(0) | TA(dst_ar) | IMM(imm), dst_ar);
43 if (imm <= 0x7fffffffl && imm >= -0x80000000l) {
44 FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(imm >> 16), dst_ar));
45 return (imm & 0xffff) ? push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar) : SLJIT_SUCCESS;
48 /* Zero extended number. */
55 while (!(uimm & 0xff00000000000000l)) {
60 if (!(uimm & 0xf000000000000000l)) {
65 if (!(uimm & 0xc000000000000000l)) {
70 if ((sljit_sw)uimm < 0) {
74 SLJIT_ASSERT(((uimm & 0xc000000000000000l) == 0x4000000000000000l) && (shift > 0) && (shift <= 32));
79 FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(uimm >> 48), dst_ar));
80 if (uimm & 0x0000ffff00000000l)
81 FAIL_IF(push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(uimm >> 32), dst_ar));
83 imm &= (1l << shift) - 1;
84 if (!(imm & ~0xffff)) {
85 ins = (shift == 32) ? DSLL32 : DSLL;
88 FAIL_IF(push_inst(compiler, ins | TA(dst_ar) | DA(dst_ar), dst_ar));
89 return !(imm & 0xffff) ? SLJIT_SUCCESS : push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar);
92 /* Double shifts needs to be performed. */
96 while (!(uimm & 0xf000000000000000l)) {
101 if (!(uimm & 0xc000000000000000l)) {
106 if (!(uimm & 0x8000000000000000l)) {
111 SLJIT_ASSERT((uimm & 0x8000000000000000l) && (shift2 > 0) && (shift2 <= 16));
113 FAIL_IF(push_inst(compiler, DSLL | TA(dst_ar) | DA(dst_ar) | SH_IMM(shift - shift2), dst_ar));
114 FAIL_IF(push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(uimm >> 48), dst_ar));
115 FAIL_IF(push_inst(compiler, DSLL | TA(dst_ar) | DA(dst_ar) | SH_IMM(shift2), dst_ar));
117 imm &= (1l << shift2) - 1;
118 return !(imm & 0xffff) ? SLJIT_SUCCESS : push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar);
121 #define SELECT_OP(a, b) \
122 (!(op & SLJIT_INT_OP) ? a : b)
124 #define EMIT_LOGICAL(op_imm, op_norm) \
125 if (flags & SRC2_IMM) { \
126 if (op & SLJIT_SET_E) \
127 FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \
128 if (CHECK_FLAGS(SLJIT_SET_E)) \
129 FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \
132 if (op & SLJIT_SET_E) \
133 FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
134 if (CHECK_FLAGS(SLJIT_SET_E)) \
135 FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | D(dst), DR(dst))); \
138 #define EMIT_SHIFT(op_dimm, op_dimm32, op_imm, op_dv, op_v) \
139 if (flags & SRC2_IMM) { \
141 SLJIT_ASSERT(!(op & SLJIT_INT_OP)); \
146 ins = (op & SLJIT_INT_OP) ? op_imm : op_dimm; \
147 if (op & SLJIT_SET_E) \
148 FAIL_IF(push_inst(compiler, ins | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \
149 if (CHECK_FLAGS(SLJIT_SET_E)) \
150 FAIL_IF(push_inst(compiler, ins | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \
153 ins = (op & SLJIT_INT_OP) ? op_v : op_dv; \
154 if (op & SLJIT_SET_E) \
155 FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
156 if (CHECK_FLAGS(SLJIT_SET_E)) \
157 FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | D(dst), DR(dst))); \
160 static SLJIT_INLINE sljit_si emit_single_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
161 sljit_si dst, sljit_si src1, sljit_sw src2)
165 switch (GET_OPCODE(op)) {
168 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
170 return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(dst), DR(dst));
171 return SLJIT_SUCCESS;
175 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
176 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
177 if (op == SLJIT_MOV_SB) {
178 FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(24), DR(dst)));
179 return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(24), DR(dst));
181 return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst));
183 else if (dst != src2)
185 return SLJIT_SUCCESS;
189 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
190 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
191 if (op == SLJIT_MOV_SH) {
192 FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(16), DR(dst)));
193 return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(16), DR(dst));
195 return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst));
197 else if (dst != src2)
199 return SLJIT_SUCCESS;
202 SLJIT_ASSERT(!(op & SLJIT_INT_OP));
203 FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(0), DR(dst)));
204 return push_inst(compiler, DSRL32 | T(dst) | D(dst) | SH_IMM(0), DR(dst));
207 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
208 return push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(0), DR(dst));
211 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
212 if (op & SLJIT_SET_E)
213 FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
214 if (CHECK_FLAGS(SLJIT_SET_E))
215 FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | D(dst), DR(dst)));
216 return SLJIT_SUCCESS;
219 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
220 #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
221 if (op & SLJIT_SET_E)
222 FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
223 if (CHECK_FLAGS(SLJIT_SET_E))
224 FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | T(dst) | D(dst), DR(dst)));
226 if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) {
227 FAIL_IF(push_inst(compiler, SELECT_OP(DSRL32, SRL) | T(src2) | DA(EQUAL_FLAG) | SH_IMM(31), EQUAL_FLAG));
228 return push_inst(compiler, XORI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG);
230 /* Nearly all instructions are unmovable in the following sequence. */
231 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(TMP_REG1), DR(TMP_REG1)));
233 FAIL_IF(push_inst(compiler, BEQ | S(TMP_REG1) | TA(0) | IMM(5), UNMOVABLE_INS));
234 FAIL_IF(push_inst(compiler, ORI | SA(0) | T(dst) | IMM((op & SLJIT_INT_OP) ? 32 : 64), UNMOVABLE_INS));
235 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | T(dst) | IMM(-1), DR(dst)));
236 /* Loop for searching the highest bit. */
237 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(dst) | T(dst) | IMM(1), DR(dst)));
238 FAIL_IF(push_inst(compiler, BGEZ | S(TMP_REG1) | IMM(-2), UNMOVABLE_INS));
239 FAIL_IF(push_inst(compiler, SELECT_OP(DSLL, SLL) | T(TMP_REG1) | D(TMP_REG1) | SH_IMM(1), UNMOVABLE_INS));
240 if (op & SLJIT_SET_E)
241 return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG);
243 return SLJIT_SUCCESS;
246 if (flags & SRC2_IMM) {
247 if (op & SLJIT_SET_O) {
249 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(TMP_EREG1), TMP_EREG1));
251 FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(TMP_EREG1), TMP_EREG1));
253 if (op & SLJIT_SET_E)
254 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
255 if (op & (SLJIT_SET_C | SLJIT_SET_O)) {
257 FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
259 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
260 FAIL_IF(push_inst(compiler, OR | S(src1) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
263 /* dst may be the same as src1 or src2. */
264 if (CHECK_FLAGS(SLJIT_SET_E))
265 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst)));
268 if (op & SLJIT_SET_O)
269 FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
270 if (op & SLJIT_SET_E)
271 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
272 if (op & (SLJIT_SET_C | SLJIT_SET_O))
273 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG));
274 /* dst may be the same as src1 or src2. */
275 if (CHECK_FLAGS(SLJIT_SET_E))
276 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst)));
279 /* a + b >= a | b (otherwise, the carry should be set to 1). */
280 if (op & (SLJIT_SET_C | SLJIT_SET_O))
281 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
282 if (!(op & SLJIT_SET_O))
283 return SLJIT_SUCCESS;
284 FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(ULESS_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG));
285 FAIL_IF(push_inst(compiler, XOR | SA(TMP_EREG1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
286 FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
287 return push_inst(compiler, SELECT_OP(DSRL32, SLL) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG);
290 if (flags & SRC2_IMM) {
291 if (op & SLJIT_SET_C) {
293 FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(TMP_EREG1) | IMM(src2), TMP_EREG1));
295 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(TMP_EREG1) | IMM(src2), TMP_EREG1));
296 FAIL_IF(push_inst(compiler, OR | S(src1) | TA(TMP_EREG1) | DA(TMP_EREG1), TMP_EREG1));
299 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst)));
301 if (op & SLJIT_SET_C)
302 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
303 /* dst may be the same as src1 or src2. */
304 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst)));
306 if (op & SLJIT_SET_C)
307 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(TMP_EREG1) | DA(TMP_EREG1), TMP_EREG1));
309 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst)));
310 if (!(op & SLJIT_SET_C))
311 return SLJIT_SUCCESS;
313 /* Set ULESS_FLAG (dst == 0) && (ULESS_FLAG == 1). */
314 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
315 /* Set carry flag. */
316 return push_inst(compiler, OR | SA(ULESS_FLAG) | TA(TMP_EREG1) | DA(ULESS_FLAG), ULESS_FLAG);
319 if ((flags & SRC2_IMM) && ((op & (SLJIT_SET_U | SLJIT_SET_S)) || src2 == SIMM_MIN)) {
320 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
325 if (flags & SRC2_IMM) {
326 if (op & SLJIT_SET_O) {
328 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(TMP_EREG1), TMP_EREG1));
330 FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(TMP_EREG1), TMP_EREG1));
332 if (op & SLJIT_SET_E)
333 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG));
334 if (op & (SLJIT_SET_C | SLJIT_SET_O))
335 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
336 /* dst may be the same as src1 or src2. */
337 if (CHECK_FLAGS(SLJIT_SET_E))
338 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst)));
341 if (op & SLJIT_SET_O)
342 FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
343 if (op & SLJIT_SET_E)
344 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
345 if (op & (SLJIT_SET_U | SLJIT_SET_C | SLJIT_SET_O))
346 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG));
347 if (op & SLJIT_SET_U)
348 FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(UGREATER_FLAG), UGREATER_FLAG));
349 if (op & SLJIT_SET_S) {
350 FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(LESS_FLAG), LESS_FLAG));
351 FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(GREATER_FLAG), GREATER_FLAG));
353 /* dst may be the same as src1 or src2. */
354 if (CHECK_FLAGS(SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))
355 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst)));
358 if (!(op & SLJIT_SET_O))
359 return SLJIT_SUCCESS;
360 FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(ULESS_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG));
361 FAIL_IF(push_inst(compiler, XOR | SA(TMP_EREG1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
362 FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
363 return push_inst(compiler, SELECT_OP(DSRL32, SRL) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG);
366 if ((flags & SRC2_IMM) && src2 == SIMM_MIN) {
367 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
372 if (flags & SRC2_IMM) {
373 if (op & SLJIT_SET_C)
374 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(TMP_EREG1) | IMM(src2), TMP_EREG1));
375 /* dst may be the same as src1 or src2. */
376 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst)));
379 if (op & SLJIT_SET_C)
380 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(TMP_EREG1), TMP_EREG1));
381 /* dst may be the same as src1 or src2. */
382 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst)));
385 if (op & SLJIT_SET_C)
386 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(TMP_EREG2), TMP_EREG2));
388 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst)));
389 return (op & SLJIT_SET_C) ? push_inst(compiler, OR | SA(TMP_EREG1) | TA(TMP_EREG2) | DA(ULESS_FLAG), ULESS_FLAG) : SLJIT_SUCCESS;
392 SLJIT_ASSERT(!(flags & SRC2_IMM));
393 if (!(op & SLJIT_SET_O)) {
394 #if (defined SLJIT_MIPS_32_64 && SLJIT_MIPS_32_64)
395 if (op & SLJIT_INT_OP)
396 return push_inst(compiler, MUL | S(src1) | T(src2) | D(dst), DR(dst));
397 FAIL_IF(push_inst(compiler, DMULT | S(src1) | T(src2), MOVABLE_INS));
398 return push_inst(compiler, MFLO | D(dst), DR(dst));
400 FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS));
401 return push_inst(compiler, MFLO | D(dst), DR(dst));
404 FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS));
405 FAIL_IF(push_inst(compiler, MFHI | DA(TMP_EREG1), TMP_EREG1));
406 FAIL_IF(push_inst(compiler, MFLO | D(dst), DR(dst)));
407 FAIL_IF(push_inst(compiler, SELECT_OP(DSRA32, SRA) | T(dst) | DA(TMP_EREG2) | SH_IMM(31), TMP_EREG2));
408 return push_inst(compiler, SELECT_OP(DSUBU, SUBU) | SA(TMP_EREG1) | TA(TMP_EREG2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG);
411 EMIT_LOGICAL(ANDI, AND);
412 return SLJIT_SUCCESS;
415 EMIT_LOGICAL(ORI, OR);
416 return SLJIT_SUCCESS;
419 EMIT_LOGICAL(XORI, XOR);
420 return SLJIT_SUCCESS;
423 EMIT_SHIFT(DSLL, DSLL32, SLL, DSLLV, SLLV);
424 return SLJIT_SUCCESS;
427 EMIT_SHIFT(DSRL, DSRL32, SRL, DSRLV, SRLV);
428 return SLJIT_SUCCESS;
431 EMIT_SHIFT(DSRA, DSRA32, SRA, DSRAV, SRAV);
432 return SLJIT_SUCCESS;
436 return SLJIT_SUCCESS;
439 static SLJIT_INLINE sljit_si emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw init_value)
441 FAIL_IF(push_inst(compiler, LUI | T(dst) | IMM(init_value >> 48), DR(dst)));
442 FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 32), DR(dst)));
443 FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst)));
444 FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 16), DR(dst)));
445 FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst)));
446 return push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value), DR(dst));
449 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
451 sljit_ins *inst = (sljit_ins*)addr;
453 inst[0] = (inst[0] & 0xffff0000) | ((new_addr >> 48) & 0xffff);
454 inst[1] = (inst[1] & 0xffff0000) | ((new_addr >> 32) & 0xffff);
455 inst[3] = (inst[3] & 0xffff0000) | ((new_addr >> 16) & 0xffff);
456 inst[5] = (inst[5] & 0xffff0000) | (new_addr & 0xffff);
457 SLJIT_CACHE_FLUSH(inst, inst + 6);
460 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
462 sljit_ins *inst = (sljit_ins*)addr;
464 inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff);
465 inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff);
466 inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
467 inst[5] = (inst[5] & 0xffff0000) | (new_constant & 0xffff);
468 SLJIT_CACHE_FLUSH(inst, inst + 6);