2 * Stack-less Just-In-Time compiler
4 * Copyright 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_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 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_I32_OP) ? a : b)
124 #define EMIT_LOGICAL(op_imm, op_norm) \
125 if (flags & SRC2_IMM) { \
126 if (op & SLJIT_SET_Z) \
127 FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \
128 if (!(flags & UNUSED_DEST)) \
129 FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \
132 if (op & SLJIT_SET_Z) \
133 FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
134 if (!(flags & UNUSED_DEST)) \
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_I32_OP)); \
146 ins = (op & SLJIT_I32_OP) ? op_imm : op_dimm; \
147 if (op & SLJIT_SET_Z) \
148 FAIL_IF(push_inst(compiler, ins | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \
149 if (!(flags & UNUSED_DEST)) \
150 FAIL_IF(push_inst(compiler, ins | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \
153 ins = (op & SLJIT_I32_OP) ? op_v : op_dv; \
154 if (op & SLJIT_SET_Z) \
155 FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
156 if (!(flags & UNUSED_DEST)) \
157 FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | D(dst), DR(dst))); \
160 static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
161 sljit_s32 dst, sljit_s32 src1, sljit_sw src2)
164 sljit_s32 is_overflow, is_carry, is_handled;
166 switch (GET_OPCODE(op)) {
169 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
171 return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(dst), DR(dst));
172 return SLJIT_SUCCESS;
176 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
177 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
178 if (op == SLJIT_MOV_S8) {
179 FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(24), DR(dst)));
180 return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(24), DR(dst));
182 return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst));
185 SLJIT_ASSERT(dst == src2);
187 return SLJIT_SUCCESS;
191 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
192 if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
193 if (op == SLJIT_MOV_S16) {
194 FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(16), DR(dst)));
195 return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(16), DR(dst));
197 return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst));
200 SLJIT_ASSERT(dst == src2);
202 return SLJIT_SUCCESS;
205 SLJIT_ASSERT(!(op & SLJIT_I32_OP));
206 FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(0), DR(dst)));
207 return push_inst(compiler, DSRL32 | T(dst) | D(dst) | SH_IMM(0), DR(dst));
210 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
211 return push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(0), DR(dst));
214 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
215 if (op & SLJIT_SET_Z)
216 FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
217 if (!(flags & UNUSED_DEST))
218 FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | D(dst), DR(dst)));
219 return SLJIT_SUCCESS;
222 SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
223 #if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1)
224 if (op & SLJIT_SET_Z)
225 FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
226 if (!(flags & UNUSED_DEST))
227 FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | T(dst) | D(dst), DR(dst)));
229 if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) {
230 FAIL_IF(push_inst(compiler, SELECT_OP(DSRL32, SRL) | T(src2) | DA(EQUAL_FLAG) | SH_IMM(31), EQUAL_FLAG));
231 return push_inst(compiler, XORI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG);
233 /* Nearly all instructions are unmovable in the following sequence. */
234 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(TMP_REG1), DR(TMP_REG1)));
236 FAIL_IF(push_inst(compiler, BEQ | S(TMP_REG1) | TA(0) | IMM(5), UNMOVABLE_INS));
237 FAIL_IF(push_inst(compiler, ORI | SA(0) | T(dst) | IMM((op & SLJIT_I32_OP) ? 32 : 64), UNMOVABLE_INS));
238 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | T(dst) | IMM(-1), DR(dst)));
239 /* Loop for searching the highest bit. */
240 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(dst) | T(dst) | IMM(1), DR(dst)));
241 FAIL_IF(push_inst(compiler, BGEZ | S(TMP_REG1) | IMM(-2), UNMOVABLE_INS));
242 FAIL_IF(push_inst(compiler, SELECT_OP(DSLL, SLL) | T(TMP_REG1) | D(TMP_REG1) | SH_IMM(1), UNMOVABLE_INS));
244 return SLJIT_SUCCESS;
247 is_overflow = GET_FLAG_TYPE(op) == SLJIT_OVERFLOW;
248 is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY);
250 if (flags & SRC2_IMM) {
253 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG));
255 FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG));
257 else if (op & SLJIT_SET_Z)
258 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
260 if (is_overflow || is_carry) {
262 FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG));
264 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG));
265 FAIL_IF(push_inst(compiler, OR | S(src1) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG));
268 /* dst may be the same as src1 or src2. */
269 if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK))
270 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst)));
274 FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
275 else if (op & SLJIT_SET_Z)
276 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
278 if (is_overflow || is_carry)
279 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG));
280 /* dst may be the same as src1 or src2. */
281 if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK))
282 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst)));
285 /* a + b >= a | b (otherwise, the carry should be set to 1). */
286 if (is_overflow || is_carry)
287 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG));
289 return SLJIT_SUCCESS;
290 FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(OTHER_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1)));
291 FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
292 FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG));
293 if (op & SLJIT_SET_Z)
294 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG));
295 return push_inst(compiler, SELECT_OP(DSRL32, SRL) | TA(OTHER_FLAG) | DA(OTHER_FLAG) | SH_IMM(31), OTHER_FLAG);
298 is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY);
300 if (flags & SRC2_IMM) {
303 FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
305 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
306 FAIL_IF(push_inst(compiler, OR | S(src1) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
309 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst)));
312 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
313 /* dst may be the same as src1 or src2. */
314 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst)));
317 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
319 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(OTHER_FLAG) | D(dst), DR(dst)));
321 return SLJIT_SUCCESS;
323 /* Set ULESS_FLAG (dst == 0) && (OTHER_FLAG == 1). */
324 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG));
325 /* Set carry flag. */
326 return push_inst(compiler, OR | SA(OTHER_FLAG) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG);
329 if ((flags & SRC2_IMM) && src2 == SIMM_MIN) {
330 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
337 if (flags & SRC2_IMM) {
338 if (GET_FLAG_TYPE(op) == SLJIT_LESS || GET_FLAG_TYPE(op) == SLJIT_GREATER_EQUAL) {
339 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG));
342 else if (GET_FLAG_TYPE(op) == SLJIT_SIG_LESS || GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER_EQUAL) {
343 FAIL_IF(push_inst(compiler, SLTI | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG));
348 if (!is_handled && GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) {
351 if (flags & SRC2_IMM) {
352 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
357 if (GET_FLAG_TYPE(op) == SLJIT_LESS || GET_FLAG_TYPE(op) == SLJIT_GREATER_EQUAL) {
358 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG));
360 else if (GET_FLAG_TYPE(op) == SLJIT_GREATER || GET_FLAG_TYPE(op) == SLJIT_LESS_EQUAL)
362 FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(OTHER_FLAG), OTHER_FLAG));
364 else if (GET_FLAG_TYPE(op) == SLJIT_SIG_LESS || GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER_EQUAL) {
365 FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG));
367 else if (GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER || GET_FLAG_TYPE(op) == SLJIT_SIG_LESS_EQUAL)
369 FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(OTHER_FLAG), OTHER_FLAG));
374 if (flags & SRC2_IMM) {
375 if (op & SLJIT_SET_Z)
376 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG));
377 if (!(flags & UNUSED_DEST))
378 return push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst));
381 if (op & SLJIT_SET_Z)
382 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
383 if (!(flags & UNUSED_DEST))
384 return push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst));
386 return SLJIT_SUCCESS;
389 is_overflow = GET_FLAG_TYPE(op) == SLJIT_OVERFLOW;
390 is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY);
392 if (flags & SRC2_IMM) {
395 FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG));
397 FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG));
399 else if (op & SLJIT_SET_Z)
400 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG));
402 if (is_overflow || is_carry)
403 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG));
404 /* dst may be the same as src1 or src2. */
405 if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK))
406 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst)));
410 FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
411 else if (op & SLJIT_SET_Z)
412 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
414 if (is_overflow || is_carry)
415 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG));
416 /* dst may be the same as src1 or src2. */
417 if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK))
418 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst)));
422 return SLJIT_SUCCESS;
423 FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(OTHER_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1)));
424 FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
425 FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG));
426 if (op & SLJIT_SET_Z)
427 FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG));
428 return push_inst(compiler, SELECT_OP(DSRL32, SRL) | TA(OTHER_FLAG) | DA(OTHER_FLAG) | SH_IMM(31), OTHER_FLAG);
431 if ((flags & SRC2_IMM) && src2 == SIMM_MIN) {
432 FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
437 is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY);
439 if (flags & SRC2_IMM) {
441 FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
442 /* dst may be the same as src1 or src2. */
443 FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst)));
447 FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
448 /* dst may be the same as src1 or src2. */
449 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst)));
453 FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OTHER_FLAG) | D(TMP_REG1), DR(TMP_REG1)));
455 FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(dst) | TA(OTHER_FLAG) | D(dst), DR(dst)));
456 return (is_carry) ? push_inst(compiler, OR | SA(EQUAL_FLAG) | T(TMP_REG1) | DA(OTHER_FLAG), OTHER_FLAG) : SLJIT_SUCCESS;
459 SLJIT_ASSERT(!(flags & SRC2_IMM));
461 if (GET_FLAG_TYPE(op) != SLJIT_MUL_OVERFLOW) {
462 #if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1)
463 if (op & SLJIT_I32_OP)
464 return push_inst(compiler, MUL | S(src1) | T(src2) | D(dst), DR(dst));
465 FAIL_IF(push_inst(compiler, DMULT | S(src1) | T(src2), MOVABLE_INS));
466 return push_inst(compiler, MFLO | D(dst), DR(dst));
468 FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS));
469 return push_inst(compiler, MFLO | D(dst), DR(dst));
472 FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS));
473 FAIL_IF(push_inst(compiler, MFHI | DA(EQUAL_FLAG), EQUAL_FLAG));
474 FAIL_IF(push_inst(compiler, MFLO | D(dst), DR(dst)));
475 FAIL_IF(push_inst(compiler, SELECT_OP(DSRA32, SRA) | T(dst) | DA(OTHER_FLAG) | SH_IMM(31), OTHER_FLAG));
476 return push_inst(compiler, SELECT_OP(DSUBU, SUBU) | SA(EQUAL_FLAG) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG);
479 EMIT_LOGICAL(ANDI, AND);
480 return SLJIT_SUCCESS;
483 EMIT_LOGICAL(ORI, OR);
484 return SLJIT_SUCCESS;
487 EMIT_LOGICAL(XORI, XOR);
488 return SLJIT_SUCCESS;
491 EMIT_SHIFT(DSLL, DSLL32, SLL, DSLLV, SLLV);
492 return SLJIT_SUCCESS;
495 EMIT_SHIFT(DSRL, DSRL32, SRL, DSRLV, SRLV);
496 return SLJIT_SUCCESS;
499 EMIT_SHIFT(DSRA, DSRA32, SRA, DSRAV, SRAV);
500 return SLJIT_SUCCESS;
504 return SLJIT_SUCCESS;
507 static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw init_value)
509 FAIL_IF(push_inst(compiler, LUI | T(dst) | IMM(init_value >> 48), DR(dst)));
510 FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 32), DR(dst)));
511 FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst)));
512 FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 16), DR(dst)));
513 FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst)));
514 return push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value), DR(dst));
517 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
519 sljit_ins *inst = (sljit_ins *)addr;
521 inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 48) & 0xffff);
522 inst[1] = (inst[1] & 0xffff0000) | ((new_target >> 32) & 0xffff);
523 inst[3] = (inst[3] & 0xffff0000) | ((new_target >> 16) & 0xffff);
524 inst[5] = (inst[5] & 0xffff0000) | (new_target & 0xffff);
525 inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
526 SLJIT_CACHE_FLUSH(inst, inst + 6);
529 SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
531 sljit_ins *inst = (sljit_ins *)addr;
533 inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff);
534 inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff);
535 inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
536 inst[5] = (inst[5] & 0xffff0000) | (new_constant & 0xffff);
537 inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
538 SLJIT_CACHE_FLUSH(inst, inst + 6);
541 static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_ins *ins_ptr)
543 sljit_s32 arg_count = 0;
544 sljit_s32 word_arg_count = 0;
545 sljit_s32 float_arg_count = 0;
547 sljit_ins prev_ins = NOP;
550 SLJIT_ASSERT(reg_map[TMP_REG1] == 4 && freg_map[TMP_FREG1] == 12);
552 arg_types >>= SLJIT_DEF_SHIFT;
555 types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK);
557 switch (arg_types & SLJIT_DEF_MASK) {
558 case SLJIT_ARG_TYPE_F32:
559 case SLJIT_ARG_TYPE_F64:
569 arg_types >>= SLJIT_DEF_SHIFT;
573 switch (types & SLJIT_DEF_MASK) {
574 case SLJIT_ARG_TYPE_F32:
575 if (arg_count != float_arg_count)
576 ins = MOV_S | FMT_S | FS(float_arg_count) | FD(arg_count);
577 else if (arg_count == 1)
578 ins = MOV_S | FMT_S | FS(SLJIT_FR0) | FD(TMP_FREG1);
582 case SLJIT_ARG_TYPE_F64:
583 if (arg_count != float_arg_count)
584 ins = MOV_S | FMT_D | FS(float_arg_count) | FD(arg_count);
585 else if (arg_count == 1)
586 ins = MOV_S | FMT_D | FS(SLJIT_FR0) | FD(TMP_FREG1);
591 if (arg_count != word_arg_count)
592 ins = DADDU | S(word_arg_count) | TA(0) | D(arg_count);
593 else if (arg_count == 1)
594 ins = DADDU | S(SLJIT_R0) | TA(0) | DA(4);
602 FAIL_IF(push_inst(compiler, prev_ins, MOVABLE_INS));
607 types >>= SLJIT_DEF_SHIFT;
612 return SLJIT_SUCCESS;
615 SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
618 struct sljit_jump *jump;
622 CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
624 jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
626 set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
629 PTR_FAIL_IF(call_with_args(compiler, arg_types, &ins));
631 SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2);
633 PTR_FAIL_IF(emit_const(compiler, PIC_ADDR_REG, 0));
635 jump->flags |= IS_JAL | IS_CALL;
636 PTR_FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
637 jump->addr = compiler->size;
638 PTR_FAIL_IF(push_inst(compiler, ins, UNMOVABLE_INS));
643 SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
645 sljit_s32 src, sljit_sw srcw)
650 CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
652 SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2);
655 FAIL_IF(load_immediate(compiler, DR(PIC_ADDR_REG), srcw));
656 else if (FAST_IS_REG(src))
657 FAIL_IF(push_inst(compiler, DADDU | S(src) | TA(0) | D(PIC_ADDR_REG), DR(PIC_ADDR_REG)));
658 else if (src & SLJIT_MEM) {
659 ADJUST_LOCAL_OFFSET(src, srcw);
660 FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, DR(PIC_ADDR_REG), src, srcw));
663 FAIL_IF(call_with_args(compiler, arg_types, &ins));
665 /* Register input. */
666 FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
667 return push_inst(compiler, ins, UNMOVABLE_INS);