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qcow2: try load bitmaps only once
[qemu/kevin.git] / tcg / tcg-op.c
blob34b96d68f3c9b50293f38cdf4edfe852f155bf58
1 /*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu-common.h"
27 #include "cpu.h"
28 #include "exec/exec-all.h"
29 #include "tcg.h"
30 #include "tcg-op.h"
31 #include "tcg-mo.h"
32 #include "trace-tcg.h"
33 #include "trace/mem.h"
34
35 /* Reduce the number of ifdefs below. This assumes that all uses of
36 TCGV_HIGH and TCGV_LOW are properly protected by a conditional that
37 the compiler can eliminate. */
38 #if TCG_TARGET_REG_BITS == 64
39 extern TCGv_i32 TCGV_LOW_link_error(TCGv_i64);
40 extern TCGv_i32 TCGV_HIGH_link_error(TCGv_i64);
41 #define TCGV_LOW TCGV_LOW_link_error
42 #define TCGV_HIGH TCGV_HIGH_link_error
43 #endif
44
45 void tcg_gen_op1(TCGOpcode opc, TCGArg a1)
46 {
47 TCGOp *op = tcg_emit_op(opc);
48 op->args[0] = a1;
49 }
50
51 void tcg_gen_op2(TCGOpcode opc, TCGArg a1, TCGArg a2)
52 {
53 TCGOp *op = tcg_emit_op(opc);
54 op->args[0] = a1;
55 op->args[1] = a2;
56 }
57
58 void tcg_gen_op3(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3)
59 {
60 TCGOp *op = tcg_emit_op(opc);
61 op->args[0] = a1;
62 op->args[1] = a2;
63 op->args[2] = a3;
64 }
65
66 void tcg_gen_op4(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, TCGArg a4)
67 {
68 TCGOp *op = tcg_emit_op(opc);
69 op->args[0] = a1;
70 op->args[1] = a2;
71 op->args[2] = a3;
72 op->args[3] = a4;
73 }
74
75 void tcg_gen_op5(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3,
76 TCGArg a4, TCGArg a5)
77 {
78 TCGOp *op = tcg_emit_op(opc);
79 op->args[0] = a1;
80 op->args[1] = a2;
81 op->args[2] = a3;
82 op->args[3] = a4;
83 op->args[4] = a5;
84 }
85
86 void tcg_gen_op6(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3,
87 TCGArg a4, TCGArg a5, TCGArg a6)
88 {
89 TCGOp *op = tcg_emit_op(opc);
90 op->args[0] = a1;
91 op->args[1] = a2;
92 op->args[2] = a3;
93 op->args[3] = a4;
94 op->args[4] = a5;
95 op->args[5] = a6;
96 }
97
98 void tcg_gen_mb(TCGBar mb_type)
99 {
100 if (tcg_ctx->tb_cflags & CF_PARALLEL) {
101 tcg_gen_op1(INDEX_op_mb, mb_type);
102 }
103 }
104
105 /* 32 bit ops */
106
107 void tcg_gen_addi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
108 {
109 /* some cases can be optimized here */
110 if (arg2 == 0) {
111 tcg_gen_mov_i32(ret, arg1);
112 } else {
113 TCGv_i32 t0 = tcg_const_i32(arg2);
114 tcg_gen_add_i32(ret, arg1, t0);
115 tcg_temp_free_i32(t0);
116 }
117 }
118
119 void tcg_gen_subfi_i32(TCGv_i32 ret, int32_t arg1, TCGv_i32 arg2)
120 {
121 if (arg1 == 0 && TCG_TARGET_HAS_neg_i32) {
122 /* Don't recurse with tcg_gen_neg_i32. */
123 tcg_gen_op2_i32(INDEX_op_neg_i32, ret, arg2);
124 } else {
125 TCGv_i32 t0 = tcg_const_i32(arg1);
126 tcg_gen_sub_i32(ret, t0, arg2);
127 tcg_temp_free_i32(t0);
128 }
129 }
130
131 void tcg_gen_subi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
132 {
133 /* some cases can be optimized here */
134 if (arg2 == 0) {
135 tcg_gen_mov_i32(ret, arg1);
136 } else {
137 TCGv_i32 t0 = tcg_const_i32(arg2);
138 tcg_gen_sub_i32(ret, arg1, t0);
139 tcg_temp_free_i32(t0);
140 }
141 }
142
143 void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
144 {
145 TCGv_i32 t0;
146 /* Some cases can be optimized here. */
147 switch (arg2) {
148 case 0:
149 tcg_gen_movi_i32(ret, 0);
150 return;
151 case -1:
152 tcg_gen_mov_i32(ret, arg1);
153 return;
154 case 0xff:
155 /* Don't recurse with tcg_gen_ext8u_i32. */
156 if (TCG_TARGET_HAS_ext8u_i32) {
157 tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg1);
158 return;
159 }
160 break;
161 case 0xffff:
162 if (TCG_TARGET_HAS_ext16u_i32) {
163 tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg1);
164 return;
165 }
166 break;
167 }
168 t0 = tcg_const_i32(arg2);
169 tcg_gen_and_i32(ret, arg1, t0);
170 tcg_temp_free_i32(t0);
171 }
172
173 void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
174 {
175 /* Some cases can be optimized here. */
176 if (arg2 == -1) {
177 tcg_gen_movi_i32(ret, -1);
178 } else if (arg2 == 0) {
179 tcg_gen_mov_i32(ret, arg1);
180 } else {
181 TCGv_i32 t0 = tcg_const_i32(arg2);
182 tcg_gen_or_i32(ret, arg1, t0);
183 tcg_temp_free_i32(t0);
184 }
185 }
186
187 void tcg_gen_xori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
188 {
189 /* Some cases can be optimized here. */
190 if (arg2 == 0) {
191 tcg_gen_mov_i32(ret, arg1);
192 } else if (arg2 == -1 && TCG_TARGET_HAS_not_i32) {
193 /* Don't recurse with tcg_gen_not_i32. */
194 tcg_gen_op2_i32(INDEX_op_not_i32, ret, arg1);
195 } else {
196 TCGv_i32 t0 = tcg_const_i32(arg2);
197 tcg_gen_xor_i32(ret, arg1, t0);
198 tcg_temp_free_i32(t0);
199 }
200 }
201
202 void tcg_gen_shli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
203 {
204 tcg_debug_assert(arg2 >= 0 && arg2 < 32);
205 if (arg2 == 0) {
206 tcg_gen_mov_i32(ret, arg1);
207 } else {
208 TCGv_i32 t0 = tcg_const_i32(arg2);
209 tcg_gen_shl_i32(ret, arg1, t0);
210 tcg_temp_free_i32(t0);
211 }
212 }
213
214 void tcg_gen_shri_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
215 {
216 tcg_debug_assert(arg2 >= 0 && arg2 < 32);
217 if (arg2 == 0) {
218 tcg_gen_mov_i32(ret, arg1);
219 } else {
220 TCGv_i32 t0 = tcg_const_i32(arg2);
221 tcg_gen_shr_i32(ret, arg1, t0);
222 tcg_temp_free_i32(t0);
223 }
224 }
225
226 void tcg_gen_sari_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
227 {
228 tcg_debug_assert(arg2 >= 0 && arg2 < 32);
229 if (arg2 == 0) {
230 tcg_gen_mov_i32(ret, arg1);
231 } else {
232 TCGv_i32 t0 = tcg_const_i32(arg2);
233 tcg_gen_sar_i32(ret, arg1, t0);
234 tcg_temp_free_i32(t0);
235 }
236 }
237
238 void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1, TCGv_i32 arg2, TCGLabel *l)
239 {
240 if (cond == TCG_COND_ALWAYS) {
241 tcg_gen_br(l);
242 } else if (cond != TCG_COND_NEVER) {
243 tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_arg(l));
244 }
245 }
246
247 void tcg_gen_brcondi_i32(TCGCond cond, TCGv_i32 arg1, int32_t arg2, TCGLabel *l)
248 {
249 if (cond == TCG_COND_ALWAYS) {
250 tcg_gen_br(l);
251 } else if (cond != TCG_COND_NEVER) {
252 TCGv_i32 t0 = tcg_const_i32(arg2);
253 tcg_gen_brcond_i32(cond, arg1, t0, l);
254 tcg_temp_free_i32(t0);
255 }
256 }
257
258 void tcg_gen_setcond_i32(TCGCond cond, TCGv_i32 ret,
259 TCGv_i32 arg1, TCGv_i32 arg2)
260 {
261 if (cond == TCG_COND_ALWAYS) {
262 tcg_gen_movi_i32(ret, 1);
263 } else if (cond == TCG_COND_NEVER) {
264 tcg_gen_movi_i32(ret, 0);
265 } else {
266 tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond);
267 }
268 }
269
270 void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret,
271 TCGv_i32 arg1, int32_t arg2)
272 {
273 TCGv_i32 t0 = tcg_const_i32(arg2);
274 tcg_gen_setcond_i32(cond, ret, arg1, t0);
275 tcg_temp_free_i32(t0);
276 }
277
278 void tcg_gen_muli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
279 {
280 if (arg2 == 0) {
281 tcg_gen_movi_i32(ret, 0);
282 } else if (is_power_of_2(arg2)) {
283 tcg_gen_shli_i32(ret, arg1, ctz32(arg2));
284 } else {
285 TCGv_i32 t0 = tcg_const_i32(arg2);
286 tcg_gen_mul_i32(ret, arg1, t0);
287 tcg_temp_free_i32(t0);
288 }
289 }
290
291 void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
292 {
293 if (TCG_TARGET_HAS_div_i32) {
294 tcg_gen_op3_i32(INDEX_op_div_i32, ret, arg1, arg2);
295 } else if (TCG_TARGET_HAS_div2_i32) {
296 TCGv_i32 t0 = tcg_temp_new_i32();
297 tcg_gen_sari_i32(t0, arg1, 31);
298 tcg_gen_op5_i32(INDEX_op_div2_i32, ret, t0, arg1, t0, arg2);
299 tcg_temp_free_i32(t0);
300 } else {
301 gen_helper_div_i32(ret, arg1, arg2);
302 }
303 }
304
305 void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
306 {
307 if (TCG_TARGET_HAS_rem_i32) {
308 tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2);
309 } else if (TCG_TARGET_HAS_div_i32) {
310 TCGv_i32 t0 = tcg_temp_new_i32();
311 tcg_gen_op3_i32(INDEX_op_div_i32, t0, arg1, arg2);
312 tcg_gen_mul_i32(t0, t0, arg2);
313 tcg_gen_sub_i32(ret, arg1, t0);
314 tcg_temp_free_i32(t0);
315 } else if (TCG_TARGET_HAS_div2_i32) {
316 TCGv_i32 t0 = tcg_temp_new_i32();
317 tcg_gen_sari_i32(t0, arg1, 31);
318 tcg_gen_op5_i32(INDEX_op_div2_i32, t0, ret, arg1, t0, arg2);
319 tcg_temp_free_i32(t0);
320 } else {
321 gen_helper_rem_i32(ret, arg1, arg2);
322 }
323 }
324
325 void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
326 {
327 if (TCG_TARGET_HAS_div_i32) {
328 tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);
329 } else if (TCG_TARGET_HAS_div2_i32) {
330 TCGv_i32 t0 = tcg_temp_new_i32();
331 tcg_gen_movi_i32(t0, 0);
332 tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, t0, arg2);
333 tcg_temp_free_i32(t0);
334 } else {
335 gen_helper_divu_i32(ret, arg1, arg2);
336 }
337 }
338
339 void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
340 {
341 if (TCG_TARGET_HAS_rem_i32) {
342 tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);
343 } else if (TCG_TARGET_HAS_div_i32) {
344 TCGv_i32 t0 = tcg_temp_new_i32();
345 tcg_gen_op3_i32(INDEX_op_divu_i32, t0, arg1, arg2);
346 tcg_gen_mul_i32(t0, t0, arg2);
347 tcg_gen_sub_i32(ret, arg1, t0);
348 tcg_temp_free_i32(t0);
349 } else if (TCG_TARGET_HAS_div2_i32) {
350 TCGv_i32 t0 = tcg_temp_new_i32();
351 tcg_gen_movi_i32(t0, 0);
352 tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, t0, arg2);
353 tcg_temp_free_i32(t0);
354 } else {
355 gen_helper_remu_i32(ret, arg1, arg2);
356 }
357 }
358
359 void tcg_gen_andc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
360 {
361 if (TCG_TARGET_HAS_andc_i32) {
362 tcg_gen_op3_i32(INDEX_op_andc_i32, ret, arg1, arg2);
363 } else {
364 TCGv_i32 t0 = tcg_temp_new_i32();
365 tcg_gen_not_i32(t0, arg2);
366 tcg_gen_and_i32(ret, arg1, t0);
367 tcg_temp_free_i32(t0);
368 }
369 }
370
371 void tcg_gen_eqv_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
372 {
373 if (TCG_TARGET_HAS_eqv_i32) {
374 tcg_gen_op3_i32(INDEX_op_eqv_i32, ret, arg1, arg2);
375 } else {
376 tcg_gen_xor_i32(ret, arg1, arg2);
377 tcg_gen_not_i32(ret, ret);
378 }
379 }
380
381 void tcg_gen_nand_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
382 {
383 if (TCG_TARGET_HAS_nand_i32) {
384 tcg_gen_op3_i32(INDEX_op_nand_i32, ret, arg1, arg2);
385 } else {
386 tcg_gen_and_i32(ret, arg1, arg2);
387 tcg_gen_not_i32(ret, ret);
388 }
389 }
390
391 void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
392 {
393 if (TCG_TARGET_HAS_nor_i32) {
394 tcg_gen_op3_i32(INDEX_op_nor_i32, ret, arg1, arg2);
395 } else {
396 tcg_gen_or_i32(ret, arg1, arg2);
397 tcg_gen_not_i32(ret, ret);
398 }
399 }
400
401 void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
402 {
403 if (TCG_TARGET_HAS_orc_i32) {
404 tcg_gen_op3_i32(INDEX_op_orc_i32, ret, arg1, arg2);
405 } else {
406 TCGv_i32 t0 = tcg_temp_new_i32();
407 tcg_gen_not_i32(t0, arg2);
408 tcg_gen_or_i32(ret, arg1, t0);
409 tcg_temp_free_i32(t0);
410 }
411 }
412
413 void tcg_gen_clz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
414 {
415 if (TCG_TARGET_HAS_clz_i32) {
416 tcg_gen_op3_i32(INDEX_op_clz_i32, ret, arg1, arg2);
417 } else if (TCG_TARGET_HAS_clz_i64) {
418 TCGv_i64 t1 = tcg_temp_new_i64();
419 TCGv_i64 t2 = tcg_temp_new_i64();
420 tcg_gen_extu_i32_i64(t1, arg1);
421 tcg_gen_extu_i32_i64(t2, arg2);
422 tcg_gen_addi_i64(t2, t2, 32);
423 tcg_gen_clz_i64(t1, t1, t2);
424 tcg_gen_extrl_i64_i32(ret, t1);
425 tcg_temp_free_i64(t1);
426 tcg_temp_free_i64(t2);
427 tcg_gen_subi_i32(ret, ret, 32);
428 } else {
429 gen_helper_clz_i32(ret, arg1, arg2);
430 }
431 }
432
433 void tcg_gen_clzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2)
434 {
435 TCGv_i32 t = tcg_const_i32(arg2);
436 tcg_gen_clz_i32(ret, arg1, t);
437 tcg_temp_free_i32(t);
438 }
439
440 void tcg_gen_ctz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
441 {
442 if (TCG_TARGET_HAS_ctz_i32) {
443 tcg_gen_op3_i32(INDEX_op_ctz_i32, ret, arg1, arg2);
444 } else if (TCG_TARGET_HAS_ctz_i64) {
445 TCGv_i64 t1 = tcg_temp_new_i64();
446 TCGv_i64 t2 = tcg_temp_new_i64();
447 tcg_gen_extu_i32_i64(t1, arg1);
448 tcg_gen_extu_i32_i64(t2, arg2);
449 tcg_gen_ctz_i64(t1, t1, t2);
450 tcg_gen_extrl_i64_i32(ret, t1);
451 tcg_temp_free_i64(t1);
452 tcg_temp_free_i64(t2);
453 } else if (TCG_TARGET_HAS_ctpop_i32
454 || TCG_TARGET_HAS_ctpop_i64
455 || TCG_TARGET_HAS_clz_i32
456 || TCG_TARGET_HAS_clz_i64) {
457 TCGv_i32 z, t = tcg_temp_new_i32();
458
459 if (TCG_TARGET_HAS_ctpop_i32 || TCG_TARGET_HAS_ctpop_i64) {
460 tcg_gen_subi_i32(t, arg1, 1);
461 tcg_gen_andc_i32(t, t, arg1);
462 tcg_gen_ctpop_i32(t, t);
463 } else {
464 /* Since all non-x86 hosts have clz(0) == 32, don't fight it. */
465 tcg_gen_neg_i32(t, arg1);
466 tcg_gen_and_i32(t, t, arg1);
467 tcg_gen_clzi_i32(t, t, 32);
468 tcg_gen_xori_i32(t, t, 31);
469 }
470 z = tcg_const_i32(0);
471 tcg_gen_movcond_i32(TCG_COND_EQ, ret, arg1, z, arg2, t);
472 tcg_temp_free_i32(t);
473 tcg_temp_free_i32(z);
474 } else {
475 gen_helper_ctz_i32(ret, arg1, arg2);
476 }
477 }
478
479 void tcg_gen_ctzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2)
480 {
481 if (!TCG_TARGET_HAS_ctz_i32 && TCG_TARGET_HAS_ctpop_i32 && arg2 == 32) {
482 /* This equivalence has the advantage of not requiring a fixup. */
483 TCGv_i32 t = tcg_temp_new_i32();
484 tcg_gen_subi_i32(t, arg1, 1);
485 tcg_gen_andc_i32(t, t, arg1);
486 tcg_gen_ctpop_i32(ret, t);
487 tcg_temp_free_i32(t);
488 } else {
489 TCGv_i32 t = tcg_const_i32(arg2);
490 tcg_gen_ctz_i32(ret, arg1, t);
491 tcg_temp_free_i32(t);
492 }
493 }
494
495 void tcg_gen_clrsb_i32(TCGv_i32 ret, TCGv_i32 arg)
496 {
497 if (TCG_TARGET_HAS_clz_i32) {
498 TCGv_i32 t = tcg_temp_new_i32();
499 tcg_gen_sari_i32(t, arg, 31);
500 tcg_gen_xor_i32(t, t, arg);
501 tcg_gen_clzi_i32(t, t, 32);
502 tcg_gen_subi_i32(ret, t, 1);
503 tcg_temp_free_i32(t);
504 } else {
505 gen_helper_clrsb_i32(ret, arg);
506 }
507 }
508
509 void tcg_gen_ctpop_i32(TCGv_i32 ret, TCGv_i32 arg1)
510 {
511 if (TCG_TARGET_HAS_ctpop_i32) {
512 tcg_gen_op2_i32(INDEX_op_ctpop_i32, ret, arg1);
513 } else if (TCG_TARGET_HAS_ctpop_i64) {
514 TCGv_i64 t = tcg_temp_new_i64();
515 tcg_gen_extu_i32_i64(t, arg1);
516 tcg_gen_ctpop_i64(t, t);
517 tcg_gen_extrl_i64_i32(ret, t);
518 tcg_temp_free_i64(t);
519 } else {
520 gen_helper_ctpop_i32(ret, arg1);
521 }
522 }
523
524 void tcg_gen_rotl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
525 {
526 if (TCG_TARGET_HAS_rot_i32) {
527 tcg_gen_op3_i32(INDEX_op_rotl_i32, ret, arg1, arg2);
528 } else {
529 TCGv_i32 t0, t1;
530
531 t0 = tcg_temp_new_i32();
532 t1 = tcg_temp_new_i32();
533 tcg_gen_shl_i32(t0, arg1, arg2);
534 tcg_gen_subfi_i32(t1, 32, arg2);
535 tcg_gen_shr_i32(t1, arg1, t1);
536 tcg_gen_or_i32(ret, t0, t1);
537 tcg_temp_free_i32(t0);
538 tcg_temp_free_i32(t1);
539 }
540 }
541
542 void tcg_gen_rotli_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
543 {
544 tcg_debug_assert(arg2 < 32);
545 /* some cases can be optimized here */
546 if (arg2 == 0) {
547 tcg_gen_mov_i32(ret, arg1);
548 } else if (TCG_TARGET_HAS_rot_i32) {
549 TCGv_i32 t0 = tcg_const_i32(arg2);
550 tcg_gen_rotl_i32(ret, arg1, t0);
551 tcg_temp_free_i32(t0);
552 } else {
553 TCGv_i32 t0, t1;
554 t0 = tcg_temp_new_i32();
555 t1 = tcg_temp_new_i32();
556 tcg_gen_shli_i32(t0, arg1, arg2);
557 tcg_gen_shri_i32(t1, arg1, 32 - arg2);
558 tcg_gen_or_i32(ret, t0, t1);
559 tcg_temp_free_i32(t0);
560 tcg_temp_free_i32(t1);
561 }
562 }
563
564 void tcg_gen_rotr_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
565 {
566 if (TCG_TARGET_HAS_rot_i32) {
567 tcg_gen_op3_i32(INDEX_op_rotr_i32, ret, arg1, arg2);
568 } else {
569 TCGv_i32 t0, t1;
570
571 t0 = tcg_temp_new_i32();
572 t1 = tcg_temp_new_i32();
573 tcg_gen_shr_i32(t0, arg1, arg2);
574 tcg_gen_subfi_i32(t1, 32, arg2);
575 tcg_gen_shl_i32(t1, arg1, t1);
576 tcg_gen_or_i32(ret, t0, t1);
577 tcg_temp_free_i32(t0);
578 tcg_temp_free_i32(t1);
579 }
580 }
581
582 void tcg_gen_rotri_i32(TCGv_i32 ret, TCGv_i32 arg1, unsigned arg2)
583 {
584 tcg_debug_assert(arg2 < 32);
585 /* some cases can be optimized here */
586 if (arg2 == 0) {
587 tcg_gen_mov_i32(ret, arg1);
588 } else {
589 tcg_gen_rotli_i32(ret, arg1, 32 - arg2);
590 }
591 }
592
593 void tcg_gen_deposit_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2,
594 unsigned int ofs, unsigned int len)
595 {
596 uint32_t mask;
597 TCGv_i32 t1;
598
599 tcg_debug_assert(ofs < 32);
600 tcg_debug_assert(len > 0);
601 tcg_debug_assert(len <= 32);
602 tcg_debug_assert(ofs + len <= 32);
603
604 if (len == 32) {
605 tcg_gen_mov_i32(ret, arg2);
606 return;
607 }
608 if (TCG_TARGET_HAS_deposit_i32 && TCG_TARGET_deposit_i32_valid(ofs, len)) {
609 tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, arg1, arg2, ofs, len);
610 return;
611 }
612
613 mask = (1u << len) - 1;
614 t1 = tcg_temp_new_i32();
615
616 if (ofs + len < 32) {
617 tcg_gen_andi_i32(t1, arg2, mask);
618 tcg_gen_shli_i32(t1, t1, ofs);
619 } else {
620 tcg_gen_shli_i32(t1, arg2, ofs);
621 }
622 tcg_gen_andi_i32(ret, arg1, ~(mask << ofs));
623 tcg_gen_or_i32(ret, ret, t1);
624
625 tcg_temp_free_i32(t1);
626 }
627
628 void tcg_gen_deposit_z_i32(TCGv_i32 ret, TCGv_i32 arg,
629 unsigned int ofs, unsigned int len)
630 {
631 tcg_debug_assert(ofs < 32);
632 tcg_debug_assert(len > 0);
633 tcg_debug_assert(len <= 32);
634 tcg_debug_assert(ofs + len <= 32);
635
636 if (ofs + len == 32) {
637 tcg_gen_shli_i32(ret, arg, ofs);
638 } else if (ofs == 0) {
639 tcg_gen_andi_i32(ret, arg, (1u << len) - 1);
640 } else if (TCG_TARGET_HAS_deposit_i32
641 && TCG_TARGET_deposit_i32_valid(ofs, len)) {
642 TCGv_i32 zero = tcg_const_i32(0);
643 tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, zero, arg, ofs, len);
644 tcg_temp_free_i32(zero);
645 } else {
646 /* To help two-operand hosts we prefer to zero-extend first,
647 which allows ARG to stay live. */
648 switch (len) {
649 case 16:
650 if (TCG_TARGET_HAS_ext16u_i32) {
651 tcg_gen_ext16u_i32(ret, arg);
652 tcg_gen_shli_i32(ret, ret, ofs);
653 return;
654 }
655 break;
656 case 8:
657 if (TCG_TARGET_HAS_ext8u_i32) {
658 tcg_gen_ext8u_i32(ret, arg);
659 tcg_gen_shli_i32(ret, ret, ofs);
660 return;
661 }
662 break;
663 }
664 /* Otherwise prefer zero-extension over AND for code size. */
665 switch (ofs + len) {
666 case 16:
667 if (TCG_TARGET_HAS_ext16u_i32) {
668 tcg_gen_shli_i32(ret, arg, ofs);
669 tcg_gen_ext16u_i32(ret, ret);
670 return;
671 }
672 break;
673 case 8:
674 if (TCG_TARGET_HAS_ext8u_i32) {
675 tcg_gen_shli_i32(ret, arg, ofs);
676 tcg_gen_ext8u_i32(ret, ret);
677 return;
678 }
679 break;
680 }
681 tcg_gen_andi_i32(ret, arg, (1u << len) - 1);
682 tcg_gen_shli_i32(ret, ret, ofs);
683 }
684 }
685
686 void tcg_gen_extract_i32(TCGv_i32 ret, TCGv_i32 arg,
687 unsigned int ofs, unsigned int len)
688 {
689 tcg_debug_assert(ofs < 32);
690 tcg_debug_assert(len > 0);
691 tcg_debug_assert(len <= 32);
692 tcg_debug_assert(ofs + len <= 32);
693
694 /* Canonicalize certain special cases, even if extract is supported. */
695 if (ofs + len == 32) {
696 tcg_gen_shri_i32(ret, arg, 32 - len);
697 return;
698 }
699 if (ofs == 0) {
700 tcg_gen_andi_i32(ret, arg, (1u << len) - 1);
701 return;
702 }
703
704 if (TCG_TARGET_HAS_extract_i32
705 && TCG_TARGET_extract_i32_valid(ofs, len)) {
706 tcg_gen_op4ii_i32(INDEX_op_extract_i32, ret, arg, ofs, len);
707 return;
708 }
709
710 /* Assume that zero-extension, if available, is cheaper than a shift. */
711 switch (ofs + len) {
712 case 16:
713 if (TCG_TARGET_HAS_ext16u_i32) {
714 tcg_gen_ext16u_i32(ret, arg);
715 tcg_gen_shri_i32(ret, ret, ofs);
716 return;
717 }
718 break;
719 case 8:
720 if (TCG_TARGET_HAS_ext8u_i32) {
721 tcg_gen_ext8u_i32(ret, arg);
722 tcg_gen_shri_i32(ret, ret, ofs);
723 return;
724 }
725 break;
726 }
727
728 /* ??? Ideally we'd know what values are available for immediate AND.
729 Assume that 8 bits are available, plus the special case of 16,
730 so that we get ext8u, ext16u. */
731 switch (len) {
732 case 1 ... 8: case 16:
733 tcg_gen_shri_i32(ret, arg, ofs);
734 tcg_gen_andi_i32(ret, ret, (1u << len) - 1);
735 break;
736 default:
737 tcg_gen_shli_i32(ret, arg, 32 - len - ofs);
738 tcg_gen_shri_i32(ret, ret, 32 - len);
739 break;
740 }
741 }
742
743 void tcg_gen_sextract_i32(TCGv_i32 ret, TCGv_i32 arg,
744 unsigned int ofs, unsigned int len)
745 {
746 tcg_debug_assert(ofs < 32);
747 tcg_debug_assert(len > 0);
748 tcg_debug_assert(len <= 32);
749 tcg_debug_assert(ofs + len <= 32);
750
751 /* Canonicalize certain special cases, even if extract is supported. */
752 if (ofs + len == 32) {
753 tcg_gen_sari_i32(ret, arg, 32 - len);
754 return;
755 }
756 if (ofs == 0) {
757 switch (len) {
758 case 16:
759 tcg_gen_ext16s_i32(ret, arg);
760 return;
761 case 8:
762 tcg_gen_ext8s_i32(ret, arg);
763 return;
764 }
765 }
766
767 if (TCG_TARGET_HAS_sextract_i32
768 && TCG_TARGET_extract_i32_valid(ofs, len)) {
769 tcg_gen_op4ii_i32(INDEX_op_sextract_i32, ret, arg, ofs, len);
770 return;
771 }
772
773 /* Assume that sign-extension, if available, is cheaper than a shift. */
774 switch (ofs + len) {
775 case 16:
776 if (TCG_TARGET_HAS_ext16s_i32) {
777 tcg_gen_ext16s_i32(ret, arg);
778 tcg_gen_sari_i32(ret, ret, ofs);
779 return;
780 }
781 break;
782 case 8:
783 if (TCG_TARGET_HAS_ext8s_i32) {
784 tcg_gen_ext8s_i32(ret, arg);
785 tcg_gen_sari_i32(ret, ret, ofs);
786 return;
787 }
788 break;
789 }
790 switch (len) {
791 case 16:
792 if (TCG_TARGET_HAS_ext16s_i32) {
793 tcg_gen_shri_i32(ret, arg, ofs);
794 tcg_gen_ext16s_i32(ret, ret);
795 return;
796 }
797 break;
798 case 8:
799 if (TCG_TARGET_HAS_ext8s_i32) {
800 tcg_gen_shri_i32(ret, arg, ofs);
801 tcg_gen_ext8s_i32(ret, ret);
802 return;
803 }
804 break;
805 }
806
807 tcg_gen_shli_i32(ret, arg, 32 - len - ofs);
808 tcg_gen_sari_i32(ret, ret, 32 - len);
809 }
810
811 void tcg_gen_movcond_i32(TCGCond cond, TCGv_i32 ret, TCGv_i32 c1,
812 TCGv_i32 c2, TCGv_i32 v1, TCGv_i32 v2)
813 {
814 if (cond == TCG_COND_ALWAYS) {
815 tcg_gen_mov_i32(ret, v1);
816 } else if (cond == TCG_COND_NEVER) {
817 tcg_gen_mov_i32(ret, v2);
818 } else if (TCG_TARGET_HAS_movcond_i32) {
819 tcg_gen_op6i_i32(INDEX_op_movcond_i32, ret, c1, c2, v1, v2, cond);
820 } else {
821 TCGv_i32 t0 = tcg_temp_new_i32();
822 TCGv_i32 t1 = tcg_temp_new_i32();
823 tcg_gen_setcond_i32(cond, t0, c1, c2);
824 tcg_gen_neg_i32(t0, t0);
825 tcg_gen_and_i32(t1, v1, t0);
826 tcg_gen_andc_i32(ret, v2, t0);
827 tcg_gen_or_i32(ret, ret, t1);
828 tcg_temp_free_i32(t0);
829 tcg_temp_free_i32(t1);
830 }
831 }
832
833 void tcg_gen_add2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
834 TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh)
835 {
836 if (TCG_TARGET_HAS_add2_i32) {
837 tcg_gen_op6_i32(INDEX_op_add2_i32, rl, rh, al, ah, bl, bh);
838 } else {
839 TCGv_i64 t0 = tcg_temp_new_i64();
840 TCGv_i64 t1 = tcg_temp_new_i64();
841 tcg_gen_concat_i32_i64(t0, al, ah);
842 tcg_gen_concat_i32_i64(t1, bl, bh);
843 tcg_gen_add_i64(t0, t0, t1);
844 tcg_gen_extr_i64_i32(rl, rh, t0);
845 tcg_temp_free_i64(t0);
846 tcg_temp_free_i64(t1);
847 }
848 }
849
850 void tcg_gen_sub2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
851 TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh)
852 {
853 if (TCG_TARGET_HAS_sub2_i32) {
854 tcg_gen_op6_i32(INDEX_op_sub2_i32, rl, rh, al, ah, bl, bh);
855 } else {
856 TCGv_i64 t0 = tcg_temp_new_i64();
857 TCGv_i64 t1 = tcg_temp_new_i64();
858 tcg_gen_concat_i32_i64(t0, al, ah);
859 tcg_gen_concat_i32_i64(t1, bl, bh);
860 tcg_gen_sub_i64(t0, t0, t1);
861 tcg_gen_extr_i64_i32(rl, rh, t0);
862 tcg_temp_free_i64(t0);
863 tcg_temp_free_i64(t1);
864 }
865 }
866
867 void tcg_gen_mulu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
868 {
869 if (TCG_TARGET_HAS_mulu2_i32) {
870 tcg_gen_op4_i32(INDEX_op_mulu2_i32, rl, rh, arg1, arg2);
871 } else if (TCG_TARGET_HAS_muluh_i32) {
872 TCGv_i32 t = tcg_temp_new_i32();
873 tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2);
874 tcg_gen_op3_i32(INDEX_op_muluh_i32, rh, arg1, arg2);
875 tcg_gen_mov_i32(rl, t);
876 tcg_temp_free_i32(t);
877 } else {
878 TCGv_i64 t0 = tcg_temp_new_i64();
879 TCGv_i64 t1 = tcg_temp_new_i64();
880 tcg_gen_extu_i32_i64(t0, arg1);
881 tcg_gen_extu_i32_i64(t1, arg2);
882 tcg_gen_mul_i64(t0, t0, t1);
883 tcg_gen_extr_i64_i32(rl, rh, t0);
884 tcg_temp_free_i64(t0);
885 tcg_temp_free_i64(t1);
886 }
887 }
888
889 void tcg_gen_muls2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
890 {
891 if (TCG_TARGET_HAS_muls2_i32) {
892 tcg_gen_op4_i32(INDEX_op_muls2_i32, rl, rh, arg1, arg2);
893 } else if (TCG_TARGET_HAS_mulsh_i32) {
894 TCGv_i32 t = tcg_temp_new_i32();
895 tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2);
896 tcg_gen_op3_i32(INDEX_op_mulsh_i32, rh, arg1, arg2);
897 tcg_gen_mov_i32(rl, t);
898 tcg_temp_free_i32(t);
899 } else if (TCG_TARGET_REG_BITS == 32) {
900 TCGv_i32 t0 = tcg_temp_new_i32();
901 TCGv_i32 t1 = tcg_temp_new_i32();
902 TCGv_i32 t2 = tcg_temp_new_i32();
903 TCGv_i32 t3 = tcg_temp_new_i32();
904 tcg_gen_mulu2_i32(t0, t1, arg1, arg2);
905 /* Adjust for negative inputs. */
906 tcg_gen_sari_i32(t2, arg1, 31);
907 tcg_gen_sari_i32(t3, arg2, 31);
908 tcg_gen_and_i32(t2, t2, arg2);
909 tcg_gen_and_i32(t3, t3, arg1);
910 tcg_gen_sub_i32(rh, t1, t2);
911 tcg_gen_sub_i32(rh, rh, t3);
912 tcg_gen_mov_i32(rl, t0);
913 tcg_temp_free_i32(t0);
914 tcg_temp_free_i32(t1);
915 tcg_temp_free_i32(t2);
916 tcg_temp_free_i32(t3);
917 } else {
918 TCGv_i64 t0 = tcg_temp_new_i64();
919 TCGv_i64 t1 = tcg_temp_new_i64();
920 tcg_gen_ext_i32_i64(t0, arg1);
921 tcg_gen_ext_i32_i64(t1, arg2);
922 tcg_gen_mul_i64(t0, t0, t1);
923 tcg_gen_extr_i64_i32(rl, rh, t0);
924 tcg_temp_free_i64(t0);
925 tcg_temp_free_i64(t1);
926 }
927 }
928
929 void tcg_gen_mulsu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
930 {
931 if (TCG_TARGET_REG_BITS == 32) {
932 TCGv_i32 t0 = tcg_temp_new_i32();
933 TCGv_i32 t1 = tcg_temp_new_i32();
934 TCGv_i32 t2 = tcg_temp_new_i32();
935 tcg_gen_mulu2_i32(t0, t1, arg1, arg2);
936 /* Adjust for negative input for the signed arg1. */
937 tcg_gen_sari_i32(t2, arg1, 31);
938 tcg_gen_and_i32(t2, t2, arg2);
939 tcg_gen_sub_i32(rh, t1, t2);
940 tcg_gen_mov_i32(rl, t0);
941 tcg_temp_free_i32(t0);
942 tcg_temp_free_i32(t1);
943 tcg_temp_free_i32(t2);
944 } else {
945 TCGv_i64 t0 = tcg_temp_new_i64();
946 TCGv_i64 t1 = tcg_temp_new_i64();
947 tcg_gen_ext_i32_i64(t0, arg1);
948 tcg_gen_extu_i32_i64(t1, arg2);
949 tcg_gen_mul_i64(t0, t0, t1);
950 tcg_gen_extr_i64_i32(rl, rh, t0);
951 tcg_temp_free_i64(t0);
952 tcg_temp_free_i64(t1);
953 }
954 }
955
956 void tcg_gen_ext8s_i32(TCGv_i32 ret, TCGv_i32 arg)
957 {
958 if (TCG_TARGET_HAS_ext8s_i32) {
959 tcg_gen_op2_i32(INDEX_op_ext8s_i32, ret, arg);
960 } else {
961 tcg_gen_shli_i32(ret, arg, 24);
962 tcg_gen_sari_i32(ret, ret, 24);
963 }
964 }
965
966 void tcg_gen_ext16s_i32(TCGv_i32 ret, TCGv_i32 arg)
967 {
968 if (TCG_TARGET_HAS_ext16s_i32) {
969 tcg_gen_op2_i32(INDEX_op_ext16s_i32, ret, arg);
970 } else {
971 tcg_gen_shli_i32(ret, arg, 16);
972 tcg_gen_sari_i32(ret, ret, 16);
973 }
974 }
975
976 void tcg_gen_ext8u_i32(TCGv_i32 ret, TCGv_i32 arg)
977 {
978 if (TCG_TARGET_HAS_ext8u_i32) {
979 tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg);
980 } else {
981 tcg_gen_andi_i32(ret, arg, 0xffu);
982 }
983 }
984
985 void tcg_gen_ext16u_i32(TCGv_i32 ret, TCGv_i32 arg)
986 {
987 if (TCG_TARGET_HAS_ext16u_i32) {
988 tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg);
989 } else {
990 tcg_gen_andi_i32(ret, arg, 0xffffu);
991 }
992 }
993
994 /* Note: we assume the two high bytes are set to zero */
995 void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg)
996 {
997 if (TCG_TARGET_HAS_bswap16_i32) {
998 tcg_gen_op2_i32(INDEX_op_bswap16_i32, ret, arg);
999 } else {
1000 TCGv_i32 t0 = tcg_temp_new_i32();
1001
1002 tcg_gen_ext8u_i32(t0, arg);
1003 tcg_gen_shli_i32(t0, t0, 8);
1004 tcg_gen_shri_i32(ret, arg, 8);
1005 tcg_gen_or_i32(ret, ret, t0);
1006 tcg_temp_free_i32(t0);
1007 }
1008 }
1009
1010 void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
1011 {
1012 if (TCG_TARGET_HAS_bswap32_i32) {
1013 tcg_gen_op2_i32(INDEX_op_bswap32_i32, ret, arg);
1014 } else {
1015 TCGv_i32 t0, t1;
1016 t0 = tcg_temp_new_i32();
1017 t1 = tcg_temp_new_i32();
1018
1019 tcg_gen_shli_i32(t0, arg, 24);
1020
1021 tcg_gen_andi_i32(t1, arg, 0x0000ff00);
1022 tcg_gen_shli_i32(t1, t1, 8);
1023 tcg_gen_or_i32(t0, t0, t1);
1024
1025 tcg_gen_shri_i32(t1, arg, 8);
1026 tcg_gen_andi_i32(t1, t1, 0x0000ff00);
1027 tcg_gen_or_i32(t0, t0, t1);
1028
1029 tcg_gen_shri_i32(t1, arg, 24);
1030 tcg_gen_or_i32(ret, t0, t1);
1031 tcg_temp_free_i32(t0);
1032 tcg_temp_free_i32(t1);
1033 }
1034 }
1035
1036 /* 64-bit ops */
1037
1038 #if TCG_TARGET_REG_BITS == 32
1039 /* These are all inline for TCG_TARGET_REG_BITS == 64. */
1040
1041 void tcg_gen_discard_i64(TCGv_i64 arg)
1042 {
1043 tcg_gen_discard_i32(TCGV_LOW(arg));
1044 tcg_gen_discard_i32(TCGV_HIGH(arg));
1045 }
1046
1047 void tcg_gen_mov_i64(TCGv_i64 ret, TCGv_i64 arg)
1048 {
1049 tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1050 tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
1051 }
1052
1053 void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg)
1054 {
1055 tcg_gen_movi_i32(TCGV_LOW(ret), arg);
1056 tcg_gen_movi_i32(TCGV_HIGH(ret), arg >> 32);
1057 }
1058
1059 void tcg_gen_ld8u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1060 {
1061 tcg_gen_ld8u_i32(TCGV_LOW(ret), arg2, offset);
1062 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1063 }
1064
1065 void tcg_gen_ld8s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1066 {
1067 tcg_gen_ld8s_i32(TCGV_LOW(ret), arg2, offset);
1068 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
1069 }
1070
1071 void tcg_gen_ld16u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1072 {
1073 tcg_gen_ld16u_i32(TCGV_LOW(ret), arg2, offset);
1074 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1075 }
1076
1077 void tcg_gen_ld16s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1078 {
1079 tcg_gen_ld16s_i32(TCGV_LOW(ret), arg2, offset);
1080 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
1081 }
1082
1083 void tcg_gen_ld32u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1084 {
1085 tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
1086 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1087 }
1088
1089 void tcg_gen_ld32s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1090 {
1091 tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
1092 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
1093 }
1094
1095 void tcg_gen_ld_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
1096 {
1097 /* Since arg2 and ret have different types,
1098 they cannot be the same temporary */
1099 #ifdef HOST_WORDS_BIGENDIAN
1100 tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset);
1101 tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset + 4);
1102 #else
1103 tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
1104 tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset + 4);
1105 #endif
1106 }
1107
1108 void tcg_gen_st_i64(TCGv_i64 arg1, TCGv_ptr arg2, tcg_target_long offset)
1109 {
1110 #ifdef HOST_WORDS_BIGENDIAN
1111 tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset);
1112 tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset + 4);
1113 #else
1114 tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset);
1115 tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset + 4);
1116 #endif
1117 }
1118
1119 void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1120 {
1121 tcg_gen_and_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1122 tcg_gen_and_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1123 }
1124
1125 void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1126 {
1127 tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1128 tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1129 }
1130
1131 void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1132 {
1133 tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1134 tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1135 }
1136
1137 void tcg_gen_shl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1138 {
1139 gen_helper_shl_i64(ret, arg1, arg2);
1140 }
1141
1142 void tcg_gen_shr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1143 {
1144 gen_helper_shr_i64(ret, arg1, arg2);
1145 }
1146
1147 void tcg_gen_sar_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1148 {
1149 gen_helper_sar_i64(ret, arg1, arg2);
1150 }
1151
1152 void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1153 {
1154 TCGv_i64 t0;
1155 TCGv_i32 t1;
1156
1157 t0 = tcg_temp_new_i64();
1158 t1 = tcg_temp_new_i32();
1159
1160 tcg_gen_mulu2_i32(TCGV_LOW(t0), TCGV_HIGH(t0),
1161 TCGV_LOW(arg1), TCGV_LOW(arg2));
1162
1163 tcg_gen_mul_i32(t1, TCGV_LOW(arg1), TCGV_HIGH(arg2));
1164 tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
1165 tcg_gen_mul_i32(t1, TCGV_HIGH(arg1), TCGV_LOW(arg2));
1166 tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
1167
1168 tcg_gen_mov_i64(ret, t0);
1169 tcg_temp_free_i64(t0);
1170 tcg_temp_free_i32(t1);
1171 }
1172 #endif /* TCG_TARGET_REG_SIZE == 32 */
1173
1174 void tcg_gen_addi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1175 {
1176 /* some cases can be optimized here */
1177 if (arg2 == 0) {
1178 tcg_gen_mov_i64(ret, arg1);
1179 } else {
1180 TCGv_i64 t0 = tcg_const_i64(arg2);
1181 tcg_gen_add_i64(ret, arg1, t0);
1182 tcg_temp_free_i64(t0);
1183 }
1184 }
1185
1186 void tcg_gen_subfi_i64(TCGv_i64 ret, int64_t arg1, TCGv_i64 arg2)
1187 {
1188 if (arg1 == 0 && TCG_TARGET_HAS_neg_i64) {
1189 /* Don't recurse with tcg_gen_neg_i64. */
1190 tcg_gen_op2_i64(INDEX_op_neg_i64, ret, arg2);
1191 } else {
1192 TCGv_i64 t0 = tcg_const_i64(arg1);
1193 tcg_gen_sub_i64(ret, t0, arg2);
1194 tcg_temp_free_i64(t0);
1195 }
1196 }
1197
1198 void tcg_gen_subi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1199 {
1200 /* some cases can be optimized here */
1201 if (arg2 == 0) {
1202 tcg_gen_mov_i64(ret, arg1);
1203 } else {
1204 TCGv_i64 t0 = tcg_const_i64(arg2);
1205 tcg_gen_sub_i64(ret, arg1, t0);
1206 tcg_temp_free_i64(t0);
1207 }
1208 }
1209
1210 void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1211 {
1212 TCGv_i64 t0;
1213
1214 if (TCG_TARGET_REG_BITS == 32) {
1215 tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
1216 tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
1217 return;
1218 }
1219
1220 /* Some cases can be optimized here. */
1221 switch (arg2) {
1222 case 0:
1223 tcg_gen_movi_i64(ret, 0);
1224 return;
1225 case -1:
1226 tcg_gen_mov_i64(ret, arg1);
1227 return;
1228 case 0xff:
1229 /* Don't recurse with tcg_gen_ext8u_i64. */
1230 if (TCG_TARGET_HAS_ext8u_i64) {
1231 tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg1);
1232 return;
1233 }
1234 break;
1235 case 0xffff:
1236 if (TCG_TARGET_HAS_ext16u_i64) {
1237 tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg1);
1238 return;
1239 }
1240 break;
1241 case 0xffffffffu:
1242 if (TCG_TARGET_HAS_ext32u_i64) {
1243 tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg1);
1244 return;
1245 }
1246 break;
1247 }
1248 t0 = tcg_const_i64(arg2);
1249 tcg_gen_and_i64(ret, arg1, t0);
1250 tcg_temp_free_i64(t0);
1251 }
1252
1253 void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1254 {
1255 if (TCG_TARGET_REG_BITS == 32) {
1256 tcg_gen_ori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
1257 tcg_gen_ori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
1258 return;
1259 }
1260 /* Some cases can be optimized here. */
1261 if (arg2 == -1) {
1262 tcg_gen_movi_i64(ret, -1);
1263 } else if (arg2 == 0) {
1264 tcg_gen_mov_i64(ret, arg1);
1265 } else {
1266 TCGv_i64 t0 = tcg_const_i64(arg2);
1267 tcg_gen_or_i64(ret, arg1, t0);
1268 tcg_temp_free_i64(t0);
1269 }
1270 }
1271
1272 void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1273 {
1274 if (TCG_TARGET_REG_BITS == 32) {
1275 tcg_gen_xori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
1276 tcg_gen_xori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
1277 return;
1278 }
1279 /* Some cases can be optimized here. */
1280 if (arg2 == 0) {
1281 tcg_gen_mov_i64(ret, arg1);
1282 } else if (arg2 == -1 && TCG_TARGET_HAS_not_i64) {
1283 /* Don't recurse with tcg_gen_not_i64. */
1284 tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg1);
1285 } else {
1286 TCGv_i64 t0 = tcg_const_i64(arg2);
1287 tcg_gen_xor_i64(ret, arg1, t0);
1288 tcg_temp_free_i64(t0);
1289 }
1290 }
1291
1292 static inline void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
1293 unsigned c, bool right, bool arith)
1294 {
1295 tcg_debug_assert(c < 64);
1296 if (c == 0) {
1297 tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
1298 tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
1299 } else if (c >= 32) {
1300 c -= 32;
1301 if (right) {
1302 if (arith) {
1303 tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
1304 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), 31);
1305 } else {
1306 tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
1307 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1308 }
1309 } else {
1310 tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c);
1311 tcg_gen_movi_i32(TCGV_LOW(ret), 0);
1312 }
1313 } else {
1314 TCGv_i32 t0, t1;
1315
1316 t0 = tcg_temp_new_i32();
1317 t1 = tcg_temp_new_i32();
1318 if (right) {
1319 tcg_gen_shli_i32(t0, TCGV_HIGH(arg1), 32 - c);
1320 if (arith) {
1321 tcg_gen_sari_i32(t1, TCGV_HIGH(arg1), c);
1322 } else {
1323 tcg_gen_shri_i32(t1, TCGV_HIGH(arg1), c);
1324 }
1325 tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c);
1326 tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t0);
1327 tcg_gen_mov_i32(TCGV_HIGH(ret), t1);
1328 } else {
1329 tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c);
1330 /* Note: ret can be the same as arg1, so we use t1 */
1331 tcg_gen_shli_i32(t1, TCGV_LOW(arg1), c);
1332 tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c);
1333 tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t0);
1334 tcg_gen_mov_i32(TCGV_LOW(ret), t1);
1335 }
1336 tcg_temp_free_i32(t0);
1337 tcg_temp_free_i32(t1);
1338 }
1339 }
1340
1341 void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1342 {
1343 tcg_debug_assert(arg2 >= 0 && arg2 < 64);
1344 if (TCG_TARGET_REG_BITS == 32) {
1345 tcg_gen_shifti_i64(ret, arg1, arg2, 0, 0);
1346 } else if (arg2 == 0) {
1347 tcg_gen_mov_i64(ret, arg1);
1348 } else {
1349 TCGv_i64 t0 = tcg_const_i64(arg2);
1350 tcg_gen_shl_i64(ret, arg1, t0);
1351 tcg_temp_free_i64(t0);
1352 }
1353 }
1354
1355 void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1356 {
1357 tcg_debug_assert(arg2 >= 0 && arg2 < 64);
1358 if (TCG_TARGET_REG_BITS == 32) {
1359 tcg_gen_shifti_i64(ret, arg1, arg2, 1, 0);
1360 } else if (arg2 == 0) {
1361 tcg_gen_mov_i64(ret, arg1);
1362 } else {
1363 TCGv_i64 t0 = tcg_const_i64(arg2);
1364 tcg_gen_shr_i64(ret, arg1, t0);
1365 tcg_temp_free_i64(t0);
1366 }
1367 }
1368
1369 void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1370 {
1371 tcg_debug_assert(arg2 >= 0 && arg2 < 64);
1372 if (TCG_TARGET_REG_BITS == 32) {
1373 tcg_gen_shifti_i64(ret, arg1, arg2, 1, 1);
1374 } else if (arg2 == 0) {
1375 tcg_gen_mov_i64(ret, arg1);
1376 } else {
1377 TCGv_i64 t0 = tcg_const_i64(arg2);
1378 tcg_gen_sar_i64(ret, arg1, t0);
1379 tcg_temp_free_i64(t0);
1380 }
1381 }
1382
1383 void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1, TCGv_i64 arg2, TCGLabel *l)
1384 {
1385 if (cond == TCG_COND_ALWAYS) {
1386 tcg_gen_br(l);
1387 } else if (cond != TCG_COND_NEVER) {
1388 if (TCG_TARGET_REG_BITS == 32) {
1389 tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1),
1390 TCGV_HIGH(arg1), TCGV_LOW(arg2),
1391 TCGV_HIGH(arg2), cond, label_arg(l));
1392 } else {
1393 tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond,
1394 label_arg(l));
1395 }
1396 }
1397 }
1398
1399 void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1, int64_t arg2, TCGLabel *l)
1400 {
1401 if (cond == TCG_COND_ALWAYS) {
1402 tcg_gen_br(l);
1403 } else if (cond != TCG_COND_NEVER) {
1404 TCGv_i64 t0 = tcg_const_i64(arg2);
1405 tcg_gen_brcond_i64(cond, arg1, t0, l);
1406 tcg_temp_free_i64(t0);
1407 }
1408 }
1409
1410 void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
1411 TCGv_i64 arg1, TCGv_i64 arg2)
1412 {
1413 if (cond == TCG_COND_ALWAYS) {
1414 tcg_gen_movi_i64(ret, 1);
1415 } else if (cond == TCG_COND_NEVER) {
1416 tcg_gen_movi_i64(ret, 0);
1417 } else {
1418 if (TCG_TARGET_REG_BITS == 32) {
1419 tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
1420 TCGV_LOW(arg1), TCGV_HIGH(arg1),
1421 TCGV_LOW(arg2), TCGV_HIGH(arg2), cond);
1422 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1423 } else {
1424 tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond);
1425 }
1426 }
1427 }
1428
1429 void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
1430 TCGv_i64 arg1, int64_t arg2)
1431 {
1432 TCGv_i64 t0 = tcg_const_i64(arg2);
1433 tcg_gen_setcond_i64(cond, ret, arg1, t0);
1434 tcg_temp_free_i64(t0);
1435 }
1436
1437 void tcg_gen_muli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
1438 {
1439 if (arg2 == 0) {
1440 tcg_gen_movi_i64(ret, 0);
1441 } else if (is_power_of_2(arg2)) {
1442 tcg_gen_shli_i64(ret, arg1, ctz64(arg2));
1443 } else {
1444 TCGv_i64 t0 = tcg_const_i64(arg2);
1445 tcg_gen_mul_i64(ret, arg1, t0);
1446 tcg_temp_free_i64(t0);
1447 }
1448 }
1449
1450 void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1451 {
1452 if (TCG_TARGET_HAS_div_i64) {
1453 tcg_gen_op3_i64(INDEX_op_div_i64, ret, arg1, arg2);
1454 } else if (TCG_TARGET_HAS_div2_i64) {
1455 TCGv_i64 t0 = tcg_temp_new_i64();
1456 tcg_gen_sari_i64(t0, arg1, 63);
1457 tcg_gen_op5_i64(INDEX_op_div2_i64, ret, t0, arg1, t0, arg2);
1458 tcg_temp_free_i64(t0);
1459 } else {
1460 gen_helper_div_i64(ret, arg1, arg2);
1461 }
1462 }
1463
1464 void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1465 {
1466 if (TCG_TARGET_HAS_rem_i64) {
1467 tcg_gen_op3_i64(INDEX_op_rem_i64, ret, arg1, arg2);
1468 } else if (TCG_TARGET_HAS_div_i64) {
1469 TCGv_i64 t0 = tcg_temp_new_i64();
1470 tcg_gen_op3_i64(INDEX_op_div_i64, t0, arg1, arg2);
1471 tcg_gen_mul_i64(t0, t0, arg2);
1472 tcg_gen_sub_i64(ret, arg1, t0);
1473 tcg_temp_free_i64(t0);
1474 } else if (TCG_TARGET_HAS_div2_i64) {
1475 TCGv_i64 t0 = tcg_temp_new_i64();
1476 tcg_gen_sari_i64(t0, arg1, 63);
1477 tcg_gen_op5_i64(INDEX_op_div2_i64, t0, ret, arg1, t0, arg2);
1478 tcg_temp_free_i64(t0);
1479 } else {
1480 gen_helper_rem_i64(ret, arg1, arg2);
1481 }
1482 }
1483
1484 void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1485 {
1486 if (TCG_TARGET_HAS_div_i64) {
1487 tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2);
1488 } else if (TCG_TARGET_HAS_div2_i64) {
1489 TCGv_i64 t0 = tcg_temp_new_i64();
1490 tcg_gen_movi_i64(t0, 0);
1491 tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2);
1492 tcg_temp_free_i64(t0);
1493 } else {
1494 gen_helper_divu_i64(ret, arg1, arg2);
1495 }
1496 }
1497
1498 void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1499 {
1500 if (TCG_TARGET_HAS_rem_i64) {
1501 tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2);
1502 } else if (TCG_TARGET_HAS_div_i64) {
1503 TCGv_i64 t0 = tcg_temp_new_i64();
1504 tcg_gen_op3_i64(INDEX_op_divu_i64, t0, arg1, arg2);
1505 tcg_gen_mul_i64(t0, t0, arg2);
1506 tcg_gen_sub_i64(ret, arg1, t0);
1507 tcg_temp_free_i64(t0);
1508 } else if (TCG_TARGET_HAS_div2_i64) {
1509 TCGv_i64 t0 = tcg_temp_new_i64();
1510 tcg_gen_movi_i64(t0, 0);
1511 tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2);
1512 tcg_temp_free_i64(t0);
1513 } else {
1514 gen_helper_remu_i64(ret, arg1, arg2);
1515 }
1516 }
1517
1518 void tcg_gen_ext8s_i64(TCGv_i64 ret, TCGv_i64 arg)
1519 {
1520 if (TCG_TARGET_REG_BITS == 32) {
1521 tcg_gen_ext8s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1522 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
1523 } else if (TCG_TARGET_HAS_ext8s_i64) {
1524 tcg_gen_op2_i64(INDEX_op_ext8s_i64, ret, arg);
1525 } else {
1526 tcg_gen_shli_i64(ret, arg, 56);
1527 tcg_gen_sari_i64(ret, ret, 56);
1528 }
1529 }
1530
1531 void tcg_gen_ext16s_i64(TCGv_i64 ret, TCGv_i64 arg)
1532 {
1533 if (TCG_TARGET_REG_BITS == 32) {
1534 tcg_gen_ext16s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1535 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
1536 } else if (TCG_TARGET_HAS_ext16s_i64) {
1537 tcg_gen_op2_i64(INDEX_op_ext16s_i64, ret, arg);
1538 } else {
1539 tcg_gen_shli_i64(ret, arg, 48);
1540 tcg_gen_sari_i64(ret, ret, 48);
1541 }
1542 }
1543
1544 void tcg_gen_ext32s_i64(TCGv_i64 ret, TCGv_i64 arg)
1545 {
1546 if (TCG_TARGET_REG_BITS == 32) {
1547 tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1548 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
1549 } else if (TCG_TARGET_HAS_ext32s_i64) {
1550 tcg_gen_op2_i64(INDEX_op_ext32s_i64, ret, arg);
1551 } else {
1552 tcg_gen_shli_i64(ret, arg, 32);
1553 tcg_gen_sari_i64(ret, ret, 32);
1554 }
1555 }
1556
1557 void tcg_gen_ext8u_i64(TCGv_i64 ret, TCGv_i64 arg)
1558 {
1559 if (TCG_TARGET_REG_BITS == 32) {
1560 tcg_gen_ext8u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1561 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1562 } else if (TCG_TARGET_HAS_ext8u_i64) {
1563 tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg);
1564 } else {
1565 tcg_gen_andi_i64(ret, arg, 0xffu);
1566 }
1567 }
1568
1569 void tcg_gen_ext16u_i64(TCGv_i64 ret, TCGv_i64 arg)
1570 {
1571 if (TCG_TARGET_REG_BITS == 32) {
1572 tcg_gen_ext16u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1573 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1574 } else if (TCG_TARGET_HAS_ext16u_i64) {
1575 tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg);
1576 } else {
1577 tcg_gen_andi_i64(ret, arg, 0xffffu);
1578 }
1579 }
1580
1581 void tcg_gen_ext32u_i64(TCGv_i64 ret, TCGv_i64 arg)
1582 {
1583 if (TCG_TARGET_REG_BITS == 32) {
1584 tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1585 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1586 } else if (TCG_TARGET_HAS_ext32u_i64) {
1587 tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg);
1588 } else {
1589 tcg_gen_andi_i64(ret, arg, 0xffffffffu);
1590 }
1591 }
1592
1593 /* Note: we assume the six high bytes are set to zero */
1594 void tcg_gen_bswap16_i64(TCGv_i64 ret, TCGv_i64 arg)
1595 {
1596 if (TCG_TARGET_REG_BITS == 32) {
1597 tcg_gen_bswap16_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1598 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1599 } else if (TCG_TARGET_HAS_bswap16_i64) {
1600 tcg_gen_op2_i64(INDEX_op_bswap16_i64, ret, arg);
1601 } else {
1602 TCGv_i64 t0 = tcg_temp_new_i64();
1603
1604 tcg_gen_ext8u_i64(t0, arg);
1605 tcg_gen_shli_i64(t0, t0, 8);
1606 tcg_gen_shri_i64(ret, arg, 8);
1607 tcg_gen_or_i64(ret, ret, t0);
1608 tcg_temp_free_i64(t0);
1609 }
1610 }
1611
1612 /* Note: we assume the four high bytes are set to zero */
1613 void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg)
1614 {
1615 if (TCG_TARGET_REG_BITS == 32) {
1616 tcg_gen_bswap32_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1617 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1618 } else if (TCG_TARGET_HAS_bswap32_i64) {
1619 tcg_gen_op2_i64(INDEX_op_bswap32_i64, ret, arg);
1620 } else {
1621 TCGv_i64 t0, t1;
1622 t0 = tcg_temp_new_i64();
1623 t1 = tcg_temp_new_i64();
1624
1625 tcg_gen_shli_i64(t0, arg, 24);
1626 tcg_gen_ext32u_i64(t0, t0);
1627
1628 tcg_gen_andi_i64(t1, arg, 0x0000ff00);
1629 tcg_gen_shli_i64(t1, t1, 8);
1630 tcg_gen_or_i64(t0, t0, t1);
1631
1632 tcg_gen_shri_i64(t1, arg, 8);
1633 tcg_gen_andi_i64(t1, t1, 0x0000ff00);
1634 tcg_gen_or_i64(t0, t0, t1);
1635
1636 tcg_gen_shri_i64(t1, arg, 24);
1637 tcg_gen_or_i64(ret, t0, t1);
1638 tcg_temp_free_i64(t0);
1639 tcg_temp_free_i64(t1);
1640 }
1641 }
1642
1643 void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg)
1644 {
1645 if (TCG_TARGET_REG_BITS == 32) {
1646 TCGv_i32 t0, t1;
1647 t0 = tcg_temp_new_i32();
1648 t1 = tcg_temp_new_i32();
1649
1650 tcg_gen_bswap32_i32(t0, TCGV_LOW(arg));
1651 tcg_gen_bswap32_i32(t1, TCGV_HIGH(arg));
1652 tcg_gen_mov_i32(TCGV_LOW(ret), t1);
1653 tcg_gen_mov_i32(TCGV_HIGH(ret), t0);
1654 tcg_temp_free_i32(t0);
1655 tcg_temp_free_i32(t1);
1656 } else if (TCG_TARGET_HAS_bswap64_i64) {
1657 tcg_gen_op2_i64(INDEX_op_bswap64_i64, ret, arg);
1658 } else {
1659 TCGv_i64 t0 = tcg_temp_new_i64();
1660 TCGv_i64 t1 = tcg_temp_new_i64();
1661
1662 tcg_gen_shli_i64(t0, arg, 56);
1663
1664 tcg_gen_andi_i64(t1, arg, 0x0000ff00);
1665 tcg_gen_shli_i64(t1, t1, 40);
1666 tcg_gen_or_i64(t0, t0, t1);
1667
1668 tcg_gen_andi_i64(t1, arg, 0x00ff0000);
1669 tcg_gen_shli_i64(t1, t1, 24);
1670 tcg_gen_or_i64(t0, t0, t1);
1671
1672 tcg_gen_andi_i64(t1, arg, 0xff000000);
1673 tcg_gen_shli_i64(t1, t1, 8);
1674 tcg_gen_or_i64(t0, t0, t1);
1675
1676 tcg_gen_shri_i64(t1, arg, 8);
1677 tcg_gen_andi_i64(t1, t1, 0xff000000);
1678 tcg_gen_or_i64(t0, t0, t1);
1679
1680 tcg_gen_shri_i64(t1, arg, 24);
1681 tcg_gen_andi_i64(t1, t1, 0x00ff0000);
1682 tcg_gen_or_i64(t0, t0, t1);
1683
1684 tcg_gen_shri_i64(t1, arg, 40);
1685 tcg_gen_andi_i64(t1, t1, 0x0000ff00);
1686 tcg_gen_or_i64(t0, t0, t1);
1687
1688 tcg_gen_shri_i64(t1, arg, 56);
1689 tcg_gen_or_i64(ret, t0, t1);
1690 tcg_temp_free_i64(t0);
1691 tcg_temp_free_i64(t1);
1692 }
1693 }
1694
1695 void tcg_gen_not_i64(TCGv_i64 ret, TCGv_i64 arg)
1696 {
1697 if (TCG_TARGET_REG_BITS == 32) {
1698 tcg_gen_not_i32(TCGV_LOW(ret), TCGV_LOW(arg));
1699 tcg_gen_not_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
1700 } else if (TCG_TARGET_HAS_not_i64) {
1701 tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg);
1702 } else {
1703 tcg_gen_xori_i64(ret, arg, -1);
1704 }
1705 }
1706
1707 void tcg_gen_andc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1708 {
1709 if (TCG_TARGET_REG_BITS == 32) {
1710 tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1711 tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1712 } else if (TCG_TARGET_HAS_andc_i64) {
1713 tcg_gen_op3_i64(INDEX_op_andc_i64, ret, arg1, arg2);
1714 } else {
1715 TCGv_i64 t0 = tcg_temp_new_i64();
1716 tcg_gen_not_i64(t0, arg2);
1717 tcg_gen_and_i64(ret, arg1, t0);
1718 tcg_temp_free_i64(t0);
1719 }
1720 }
1721
1722 void tcg_gen_eqv_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1723 {
1724 if (TCG_TARGET_REG_BITS == 32) {
1725 tcg_gen_eqv_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1726 tcg_gen_eqv_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1727 } else if (TCG_TARGET_HAS_eqv_i64) {
1728 tcg_gen_op3_i64(INDEX_op_eqv_i64, ret, arg1, arg2);
1729 } else {
1730 tcg_gen_xor_i64(ret, arg1, arg2);
1731 tcg_gen_not_i64(ret, ret);
1732 }
1733 }
1734
1735 void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1736 {
1737 if (TCG_TARGET_REG_BITS == 32) {
1738 tcg_gen_nand_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1739 tcg_gen_nand_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1740 } else if (TCG_TARGET_HAS_nand_i64) {
1741 tcg_gen_op3_i64(INDEX_op_nand_i64, ret, arg1, arg2);
1742 } else {
1743 tcg_gen_and_i64(ret, arg1, arg2);
1744 tcg_gen_not_i64(ret, ret);
1745 }
1746 }
1747
1748 void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1749 {
1750 if (TCG_TARGET_REG_BITS == 32) {
1751 tcg_gen_nor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1752 tcg_gen_nor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1753 } else if (TCG_TARGET_HAS_nor_i64) {
1754 tcg_gen_op3_i64(INDEX_op_nor_i64, ret, arg1, arg2);
1755 } else {
1756 tcg_gen_or_i64(ret, arg1, arg2);
1757 tcg_gen_not_i64(ret, ret);
1758 }
1759 }
1760
1761 void tcg_gen_orc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1762 {
1763 if (TCG_TARGET_REG_BITS == 32) {
1764 tcg_gen_orc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
1765 tcg_gen_orc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
1766 } else if (TCG_TARGET_HAS_orc_i64) {
1767 tcg_gen_op3_i64(INDEX_op_orc_i64, ret, arg1, arg2);
1768 } else {
1769 TCGv_i64 t0 = tcg_temp_new_i64();
1770 tcg_gen_not_i64(t0, arg2);
1771 tcg_gen_or_i64(ret, arg1, t0);
1772 tcg_temp_free_i64(t0);
1773 }
1774 }
1775
1776 void tcg_gen_clz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1777 {
1778 if (TCG_TARGET_HAS_clz_i64) {
1779 tcg_gen_op3_i64(INDEX_op_clz_i64, ret, arg1, arg2);
1780 } else {
1781 gen_helper_clz_i64(ret, arg1, arg2);
1782 }
1783 }
1784
1785 void tcg_gen_clzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2)
1786 {
1787 if (TCG_TARGET_REG_BITS == 32
1788 && TCG_TARGET_HAS_clz_i32
1789 && arg2 <= 0xffffffffu) {
1790 TCGv_i32 t = tcg_const_i32((uint32_t)arg2 - 32);
1791 tcg_gen_clz_i32(t, TCGV_LOW(arg1), t);
1792 tcg_gen_addi_i32(t, t, 32);
1793 tcg_gen_clz_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), t);
1794 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1795 tcg_temp_free_i32(t);
1796 } else {
1797 TCGv_i64 t = tcg_const_i64(arg2);
1798 tcg_gen_clz_i64(ret, arg1, t);
1799 tcg_temp_free_i64(t);
1800 }
1801 }
1802
1803 void tcg_gen_ctz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1804 {
1805 if (TCG_TARGET_HAS_ctz_i64) {
1806 tcg_gen_op3_i64(INDEX_op_ctz_i64, ret, arg1, arg2);
1807 } else if (TCG_TARGET_HAS_ctpop_i64 || TCG_TARGET_HAS_clz_i64) {
1808 TCGv_i64 z, t = tcg_temp_new_i64();
1809
1810 if (TCG_TARGET_HAS_ctpop_i64) {
1811 tcg_gen_subi_i64(t, arg1, 1);
1812 tcg_gen_andc_i64(t, t, arg1);
1813 tcg_gen_ctpop_i64(t, t);
1814 } else {
1815 /* Since all non-x86 hosts have clz(0) == 64, don't fight it. */
1816 tcg_gen_neg_i64(t, arg1);
1817 tcg_gen_and_i64(t, t, arg1);
1818 tcg_gen_clzi_i64(t, t, 64);
1819 tcg_gen_xori_i64(t, t, 63);
1820 }
1821 z = tcg_const_i64(0);
1822 tcg_gen_movcond_i64(TCG_COND_EQ, ret, arg1, z, arg2, t);
1823 tcg_temp_free_i64(t);
1824 tcg_temp_free_i64(z);
1825 } else {
1826 gen_helper_ctz_i64(ret, arg1, arg2);
1827 }
1828 }
1829
1830 void tcg_gen_ctzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2)
1831 {
1832 if (TCG_TARGET_REG_BITS == 32
1833 && TCG_TARGET_HAS_ctz_i32
1834 && arg2 <= 0xffffffffu) {
1835 TCGv_i32 t32 = tcg_const_i32((uint32_t)arg2 - 32);
1836 tcg_gen_ctz_i32(t32, TCGV_HIGH(arg1), t32);
1837 tcg_gen_addi_i32(t32, t32, 32);
1838 tcg_gen_ctz_i32(TCGV_LOW(ret), TCGV_LOW(arg1), t32);
1839 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1840 tcg_temp_free_i32(t32);
1841 } else if (!TCG_TARGET_HAS_ctz_i64
1842 && TCG_TARGET_HAS_ctpop_i64
1843 && arg2 == 64) {
1844 /* This equivalence has the advantage of not requiring a fixup. */
1845 TCGv_i64 t = tcg_temp_new_i64();
1846 tcg_gen_subi_i64(t, arg1, 1);
1847 tcg_gen_andc_i64(t, t, arg1);
1848 tcg_gen_ctpop_i64(ret, t);
1849 tcg_temp_free_i64(t);
1850 } else {
1851 TCGv_i64 t64 = tcg_const_i64(arg2);
1852 tcg_gen_ctz_i64(ret, arg1, t64);
1853 tcg_temp_free_i64(t64);
1854 }
1855 }
1856
1857 void tcg_gen_clrsb_i64(TCGv_i64 ret, TCGv_i64 arg)
1858 {
1859 if (TCG_TARGET_HAS_clz_i64 || TCG_TARGET_HAS_clz_i32) {
1860 TCGv_i64 t = tcg_temp_new_i64();
1861 tcg_gen_sari_i64(t, arg, 63);
1862 tcg_gen_xor_i64(t, t, arg);
1863 tcg_gen_clzi_i64(t, t, 64);
1864 tcg_gen_subi_i64(ret, t, 1);
1865 tcg_temp_free_i64(t);
1866 } else {
1867 gen_helper_clrsb_i64(ret, arg);
1868 }
1869 }
1870
1871 void tcg_gen_ctpop_i64(TCGv_i64 ret, TCGv_i64 arg1)
1872 {
1873 if (TCG_TARGET_HAS_ctpop_i64) {
1874 tcg_gen_op2_i64(INDEX_op_ctpop_i64, ret, arg1);
1875 } else if (TCG_TARGET_REG_BITS == 32 && TCG_TARGET_HAS_ctpop_i32) {
1876 tcg_gen_ctpop_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
1877 tcg_gen_ctpop_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
1878 tcg_gen_add_i32(TCGV_LOW(ret), TCGV_LOW(ret), TCGV_HIGH(ret));
1879 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
1880 } else {
1881 gen_helper_ctpop_i64(ret, arg1);
1882 }
1883 }
1884
1885 void tcg_gen_rotl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1886 {
1887 if (TCG_TARGET_HAS_rot_i64) {
1888 tcg_gen_op3_i64(INDEX_op_rotl_i64, ret, arg1, arg2);
1889 } else {
1890 TCGv_i64 t0, t1;
1891 t0 = tcg_temp_new_i64();
1892 t1 = tcg_temp_new_i64();
1893 tcg_gen_shl_i64(t0, arg1, arg2);
1894 tcg_gen_subfi_i64(t1, 64, arg2);
1895 tcg_gen_shr_i64(t1, arg1, t1);
1896 tcg_gen_or_i64(ret, t0, t1);
1897 tcg_temp_free_i64(t0);
1898 tcg_temp_free_i64(t1);
1899 }
1900 }
1901
1902 void tcg_gen_rotli_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
1903 {
1904 tcg_debug_assert(arg2 < 64);
1905 /* some cases can be optimized here */
1906 if (arg2 == 0) {
1907 tcg_gen_mov_i64(ret, arg1);
1908 } else if (TCG_TARGET_HAS_rot_i64) {
1909 TCGv_i64 t0 = tcg_const_i64(arg2);
1910 tcg_gen_rotl_i64(ret, arg1, t0);
1911 tcg_temp_free_i64(t0);
1912 } else {
1913 TCGv_i64 t0, t1;
1914 t0 = tcg_temp_new_i64();
1915 t1 = tcg_temp_new_i64();
1916 tcg_gen_shli_i64(t0, arg1, arg2);
1917 tcg_gen_shri_i64(t1, arg1, 64 - arg2);
1918 tcg_gen_or_i64(ret, t0, t1);
1919 tcg_temp_free_i64(t0);
1920 tcg_temp_free_i64(t1);
1921 }
1922 }
1923
1924 void tcg_gen_rotr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
1925 {
1926 if (TCG_TARGET_HAS_rot_i64) {
1927 tcg_gen_op3_i64(INDEX_op_rotr_i64, ret, arg1, arg2);
1928 } else {
1929 TCGv_i64 t0, t1;
1930 t0 = tcg_temp_new_i64();
1931 t1 = tcg_temp_new_i64();
1932 tcg_gen_shr_i64(t0, arg1, arg2);
1933 tcg_gen_subfi_i64(t1, 64, arg2);
1934 tcg_gen_shl_i64(t1, arg1, t1);
1935 tcg_gen_or_i64(ret, t0, t1);
1936 tcg_temp_free_i64(t0);
1937 tcg_temp_free_i64(t1);
1938 }
1939 }
1940
1941 void tcg_gen_rotri_i64(TCGv_i64 ret, TCGv_i64 arg1, unsigned arg2)
1942 {
1943 tcg_debug_assert(arg2 < 64);
1944 /* some cases can be optimized here */
1945 if (arg2 == 0) {
1946 tcg_gen_mov_i64(ret, arg1);
1947 } else {
1948 tcg_gen_rotli_i64(ret, arg1, 64 - arg2);
1949 }
1950 }
1951
1952 void tcg_gen_deposit_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2,
1953 unsigned int ofs, unsigned int len)
1954 {
1955 uint64_t mask;
1956 TCGv_i64 t1;
1957
1958 tcg_debug_assert(ofs < 64);
1959 tcg_debug_assert(len > 0);
1960 tcg_debug_assert(len <= 64);
1961 tcg_debug_assert(ofs + len <= 64);
1962
1963 if (len == 64) {
1964 tcg_gen_mov_i64(ret, arg2);
1965 return;
1966 }
1967 if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(ofs, len)) {
1968 tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, arg1, arg2, ofs, len);
1969 return;
1970 }
1971
1972 if (TCG_TARGET_REG_BITS == 32) {
1973 if (ofs >= 32) {
1974 tcg_gen_deposit_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1),
1975 TCGV_LOW(arg2), ofs - 32, len);
1976 tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
1977 return;
1978 }
1979 if (ofs + len <= 32) {
1980 tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(arg1),
1981 TCGV_LOW(arg2), ofs, len);
1982 tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
1983 return;
1984 }
1985 }
1986
1987 mask = (1ull << len) - 1;
1988 t1 = tcg_temp_new_i64();
1989
1990 if (ofs + len < 64) {
1991 tcg_gen_andi_i64(t1, arg2, mask);
1992 tcg_gen_shli_i64(t1, t1, ofs);
1993 } else {
1994 tcg_gen_shli_i64(t1, arg2, ofs);
1995 }
1996 tcg_gen_andi_i64(ret, arg1, ~(mask << ofs));
1997 tcg_gen_or_i64(ret, ret, t1);
1998
1999 tcg_temp_free_i64(t1);
2000 }
2001
2002 void tcg_gen_deposit_z_i64(TCGv_i64 ret, TCGv_i64 arg,
2003 unsigned int ofs, unsigned int len)
2004 {
2005 tcg_debug_assert(ofs < 64);
2006 tcg_debug_assert(len > 0);
2007 tcg_debug_assert(len <= 64);
2008 tcg_debug_assert(ofs + len <= 64);
2009
2010 if (ofs + len == 64) {
2011 tcg_gen_shli_i64(ret, arg, ofs);
2012 } else if (ofs == 0) {
2013 tcg_gen_andi_i64(ret, arg, (1ull << len) - 1);
2014 } else if (TCG_TARGET_HAS_deposit_i64
2015 && TCG_TARGET_deposit_i64_valid(ofs, len)) {
2016 TCGv_i64 zero = tcg_const_i64(0);
2017 tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, zero, arg, ofs, len);
2018 tcg_temp_free_i64(zero);
2019 } else {
2020 if (TCG_TARGET_REG_BITS == 32) {
2021 if (ofs >= 32) {
2022 tcg_gen_deposit_z_i32(TCGV_HIGH(ret), TCGV_LOW(arg),
2023 ofs - 32, len);
2024 tcg_gen_movi_i32(TCGV_LOW(ret), 0);
2025 return;
2026 }
2027 if (ofs + len <= 32) {
2028 tcg_gen_deposit_z_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len);
2029 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
2030 return;
2031 }
2032 }
2033 /* To help two-operand hosts we prefer to zero-extend first,
2034 which allows ARG to stay live. */
2035 switch (len) {
2036 case 32:
2037 if (TCG_TARGET_HAS_ext32u_i64) {
2038 tcg_gen_ext32u_i64(ret, arg);
2039 tcg_gen_shli_i64(ret, ret, ofs);
2040 return;
2041 }
2042 break;
2043 case 16:
2044 if (TCG_TARGET_HAS_ext16u_i64) {
2045 tcg_gen_ext16u_i64(ret, arg);
2046 tcg_gen_shli_i64(ret, ret, ofs);
2047 return;
2048 }
2049 break;
2050 case 8:
2051 if (TCG_TARGET_HAS_ext8u_i64) {
2052 tcg_gen_ext8u_i64(ret, arg);
2053 tcg_gen_shli_i64(ret, ret, ofs);
2054 return;
2055 }
2056 break;
2057 }
2058 /* Otherwise prefer zero-extension over AND for code size. */
2059 switch (ofs + len) {
2060 case 32:
2061 if (TCG_TARGET_HAS_ext32u_i64) {
2062 tcg_gen_shli_i64(ret, arg, ofs);
2063 tcg_gen_ext32u_i64(ret, ret);
2064 return;
2065 }
2066 break;
2067 case 16:
2068 if (TCG_TARGET_HAS_ext16u_i64) {
2069 tcg_gen_shli_i64(ret, arg, ofs);
2070 tcg_gen_ext16u_i64(ret, ret);
2071 return;
2072 }
2073 break;
2074 case 8:
2075 if (TCG_TARGET_HAS_ext8u_i64) {
2076 tcg_gen_shli_i64(ret, arg, ofs);
2077 tcg_gen_ext8u_i64(ret, ret);
2078 return;
2079 }
2080 break;
2081 }
2082 tcg_gen_andi_i64(ret, arg, (1ull << len) - 1);
2083 tcg_gen_shli_i64(ret, ret, ofs);
2084 }
2085 }
2086
2087 void tcg_gen_extract_i64(TCGv_i64 ret, TCGv_i64 arg,
2088 unsigned int ofs, unsigned int len)
2089 {
2090 tcg_debug_assert(ofs < 64);
2091 tcg_debug_assert(len > 0);
2092 tcg_debug_assert(len <= 64);
2093 tcg_debug_assert(ofs + len <= 64);
2094
2095 /* Canonicalize certain special cases, even if extract is supported. */
2096 if (ofs + len == 64) {
2097 tcg_gen_shri_i64(ret, arg, 64 - len);
2098 return;
2099 }
2100 if (ofs == 0) {
2101 tcg_gen_andi_i64(ret, arg, (1ull << len) - 1);
2102 return;
2103 }
2104
2105 if (TCG_TARGET_REG_BITS == 32) {
2106 /* Look for a 32-bit extract within one of the two words. */
2107 if (ofs >= 32) {
2108 tcg_gen_extract_i32(TCGV_LOW(ret), TCGV_HIGH(arg), ofs - 32, len);
2109 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
2110 return;
2111 }
2112 if (ofs + len <= 32) {
2113 tcg_gen_extract_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len);
2114 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
2115 return;
2116 }
2117 /* The field is split across two words. One double-word
2118 shift is better than two double-word shifts. */
2119 goto do_shift_and;
2120 }
2121
2122 if (TCG_TARGET_HAS_extract_i64
2123 && TCG_TARGET_extract_i64_valid(ofs, len)) {
2124 tcg_gen_op4ii_i64(INDEX_op_extract_i64, ret, arg, ofs, len);
2125 return;
2126 }
2127
2128 /* Assume that zero-extension, if available, is cheaper than a shift. */
2129 switch (ofs + len) {
2130 case 32:
2131 if (TCG_TARGET_HAS_ext32u_i64) {
2132 tcg_gen_ext32u_i64(ret, arg);
2133 tcg_gen_shri_i64(ret, ret, ofs);
2134 return;
2135 }
2136 break;
2137 case 16:
2138 if (TCG_TARGET_HAS_ext16u_i64) {
2139 tcg_gen_ext16u_i64(ret, arg);
2140 tcg_gen_shri_i64(ret, ret, ofs);
2141 return;
2142 }
2143 break;
2144 case 8:
2145 if (TCG_TARGET_HAS_ext8u_i64) {
2146 tcg_gen_ext8u_i64(ret, arg);
2147 tcg_gen_shri_i64(ret, ret, ofs);
2148 return;
2149 }
2150 break;
2151 }
2152
2153 /* ??? Ideally we'd know what values are available for immediate AND.
2154 Assume that 8 bits are available, plus the special cases of 16 and 32,
2155 so that we get ext8u, ext16u, and ext32u. */
2156 switch (len) {
2157 case 1 ... 8: case 16: case 32:
2158 do_shift_and:
2159 tcg_gen_shri_i64(ret, arg, ofs);
2160 tcg_gen_andi_i64(ret, ret, (1ull << len) - 1);
2161 break;
2162 default:
2163 tcg_gen_shli_i64(ret, arg, 64 - len - ofs);
2164 tcg_gen_shri_i64(ret, ret, 64 - len);
2165 break;
2166 }
2167 }
2168
2169 void tcg_gen_sextract_i64(TCGv_i64 ret, TCGv_i64 arg,
2170 unsigned int ofs, unsigned int len)
2171 {
2172 tcg_debug_assert(ofs < 64);
2173 tcg_debug_assert(len > 0);
2174 tcg_debug_assert(len <= 64);
2175 tcg_debug_assert(ofs + len <= 64);
2176
2177 /* Canonicalize certain special cases, even if sextract is supported. */
2178 if (ofs + len == 64) {
2179 tcg_gen_sari_i64(ret, arg, 64 - len);
2180 return;
2181 }
2182 if (ofs == 0) {
2183 switch (len) {
2184 case 32:
2185 tcg_gen_ext32s_i64(ret, arg);
2186 return;
2187 case 16:
2188 tcg_gen_ext16s_i64(ret, arg);
2189 return;
2190 case 8:
2191 tcg_gen_ext8s_i64(ret, arg);
2192 return;
2193 }
2194 }
2195
2196 if (TCG_TARGET_REG_BITS == 32) {
2197 /* Look for a 32-bit extract within one of the two words. */
2198 if (ofs >= 32) {
2199 tcg_gen_sextract_i32(TCGV_LOW(ret), TCGV_HIGH(arg), ofs - 32, len);
2200 } else if (ofs + len <= 32) {
2201 tcg_gen_sextract_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len);
2202 } else if (ofs == 0) {
2203 tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
2204 tcg_gen_sextract_i32(TCGV_HIGH(ret), TCGV_HIGH(arg), 0, len - 32);
2205 return;
2206 } else if (len > 32) {
2207 TCGv_i32 t = tcg_temp_new_i32();
2208 /* Extract the bits for the high word normally. */
2209 tcg_gen_sextract_i32(t, TCGV_HIGH(arg), ofs + 32, len - 32);
2210 /* Shift the field down for the low part. */
2211 tcg_gen_shri_i64(ret, arg, ofs);
2212 /* Overwrite the shift into the high part. */
2213 tcg_gen_mov_i32(TCGV_HIGH(ret), t);
2214 tcg_temp_free_i32(t);
2215 return;
2216 } else {
2217 /* Shift the field down for the low part, such that the
2218 field sits at the MSB. */
2219 tcg_gen_shri_i64(ret, arg, ofs + len - 32);
2220 /* Shift the field down from the MSB, sign extending. */
2221 tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_LOW(ret), 32 - len);
2222 }
2223 /* Sign-extend the field from 32 bits. */
2224 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
2225 return;
2226 }
2227
2228 if (TCG_TARGET_HAS_sextract_i64
2229 && TCG_TARGET_extract_i64_valid(ofs, len)) {
2230 tcg_gen_op4ii_i64(INDEX_op_sextract_i64, ret, arg, ofs, len);
2231 return;
2232 }
2233
2234 /* Assume that sign-extension, if available, is cheaper than a shift. */
2235 switch (ofs + len) {
2236 case 32:
2237 if (TCG_TARGET_HAS_ext32s_i64) {
2238 tcg_gen_ext32s_i64(ret, arg);
2239 tcg_gen_sari_i64(ret, ret, ofs);
2240 return;
2241 }
2242 break;
2243 case 16:
2244 if (TCG_TARGET_HAS_ext16s_i64) {
2245 tcg_gen_ext16s_i64(ret, arg);
2246 tcg_gen_sari_i64(ret, ret, ofs);
2247 return;
2248 }
2249 break;
2250 case 8:
2251 if (TCG_TARGET_HAS_ext8s_i64) {
2252 tcg_gen_ext8s_i64(ret, arg);
2253 tcg_gen_sari_i64(ret, ret, ofs);
2254 return;
2255 }
2256 break;
2257 }
2258 switch (len) {
2259 case 32:
2260 if (TCG_TARGET_HAS_ext32s_i64) {
2261 tcg_gen_shri_i64(ret, arg, ofs);
2262 tcg_gen_ext32s_i64(ret, ret);
2263 return;
2264 }
2265 break;
2266 case 16:
2267 if (TCG_TARGET_HAS_ext16s_i64) {
2268 tcg_gen_shri_i64(ret, arg, ofs);
2269 tcg_gen_ext16s_i64(ret, ret);
2270 return;
2271 }
2272 break;
2273 case 8:
2274 if (TCG_TARGET_HAS_ext8s_i64) {
2275 tcg_gen_shri_i64(ret, arg, ofs);
2276 tcg_gen_ext8s_i64(ret, ret);
2277 return;
2278 }
2279 break;
2280 }
2281 tcg_gen_shli_i64(ret, arg, 64 - len - ofs);
2282 tcg_gen_sari_i64(ret, ret, 64 - len);
2283 }
2284
2285 void tcg_gen_movcond_i64(TCGCond cond, TCGv_i64 ret, TCGv_i64 c1,
2286 TCGv_i64 c2, TCGv_i64 v1, TCGv_i64 v2)
2287 {
2288 if (cond == TCG_COND_ALWAYS) {
2289 tcg_gen_mov_i64(ret, v1);
2290 } else if (cond == TCG_COND_NEVER) {
2291 tcg_gen_mov_i64(ret, v2);
2292 } else if (TCG_TARGET_REG_BITS == 32) {
2293 TCGv_i32 t0 = tcg_temp_new_i32();
2294 TCGv_i32 t1 = tcg_temp_new_i32();
2295 tcg_gen_op6i_i32(INDEX_op_setcond2_i32, t0,
2296 TCGV_LOW(c1), TCGV_HIGH(c1),
2297 TCGV_LOW(c2), TCGV_HIGH(c2), cond);
2298
2299 if (TCG_TARGET_HAS_movcond_i32) {
2300 tcg_gen_movi_i32(t1, 0);
2301 tcg_gen_movcond_i32(TCG_COND_NE, TCGV_LOW(ret), t0, t1,
2302 TCGV_LOW(v1), TCGV_LOW(v2));
2303 tcg_gen_movcond_i32(TCG_COND_NE, TCGV_HIGH(ret), t0, t1,
2304 TCGV_HIGH(v1), TCGV_HIGH(v2));
2305 } else {
2306 tcg_gen_neg_i32(t0, t0);
2307
2308 tcg_gen_and_i32(t1, TCGV_LOW(v1), t0);
2309 tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(v2), t0);
2310 tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t1);
2311
2312 tcg_gen_and_i32(t1, TCGV_HIGH(v1), t0);
2313 tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(v2), t0);
2314 tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t1);
2315 }
2316 tcg_temp_free_i32(t0);
2317 tcg_temp_free_i32(t1);
2318 } else if (TCG_TARGET_HAS_movcond_i64) {
2319 tcg_gen_op6i_i64(INDEX_op_movcond_i64, ret, c1, c2, v1, v2, cond);
2320 } else {
2321 TCGv_i64 t0 = tcg_temp_new_i64();
2322 TCGv_i64 t1 = tcg_temp_new_i64();
2323 tcg_gen_setcond_i64(cond, t0, c1, c2);
2324 tcg_gen_neg_i64(t0, t0);
2325 tcg_gen_and_i64(t1, v1, t0);
2326 tcg_gen_andc_i64(ret, v2, t0);
2327 tcg_gen_or_i64(ret, ret, t1);
2328 tcg_temp_free_i64(t0);
2329 tcg_temp_free_i64(t1);
2330 }
2331 }
2332
2333 void tcg_gen_add2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,
2334 TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh)
2335 {
2336 if (TCG_TARGET_HAS_add2_i64) {
2337 tcg_gen_op6_i64(INDEX_op_add2_i64, rl, rh, al, ah, bl, bh);
2338 } else {
2339 TCGv_i64 t0 = tcg_temp_new_i64();
2340 TCGv_i64 t1 = tcg_temp_new_i64();
2341 tcg_gen_add_i64(t0, al, bl);
2342 tcg_gen_setcond_i64(TCG_COND_LTU, t1, t0, al);
2343 tcg_gen_add_i64(rh, ah, bh);
2344 tcg_gen_add_i64(rh, rh, t1);
2345 tcg_gen_mov_i64(rl, t0);
2346 tcg_temp_free_i64(t0);
2347 tcg_temp_free_i64(t1);
2348 }
2349 }
2350
2351 void tcg_gen_sub2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,
2352 TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh)
2353 {
2354 if (TCG_TARGET_HAS_sub2_i64) {
2355 tcg_gen_op6_i64(INDEX_op_sub2_i64, rl, rh, al, ah, bl, bh);
2356 } else {
2357 TCGv_i64 t0 = tcg_temp_new_i64();
2358 TCGv_i64 t1 = tcg_temp_new_i64();
2359 tcg_gen_sub_i64(t0, al, bl);
2360 tcg_gen_setcond_i64(TCG_COND_LTU, t1, al, bl);
2361 tcg_gen_sub_i64(rh, ah, bh);
2362 tcg_gen_sub_i64(rh, rh, t1);
2363 tcg_gen_mov_i64(rl, t0);
2364 tcg_temp_free_i64(t0);
2365 tcg_temp_free_i64(t1);
2366 }
2367 }
2368
2369 void tcg_gen_mulu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
2370 {
2371 if (TCG_TARGET_HAS_mulu2_i64) {
2372 tcg_gen_op4_i64(INDEX_op_mulu2_i64, rl, rh, arg1, arg2);
2373 } else if (TCG_TARGET_HAS_muluh_i64) {
2374 TCGv_i64 t = tcg_temp_new_i64();
2375 tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2);
2376 tcg_gen_op3_i64(INDEX_op_muluh_i64, rh, arg1, arg2);
2377 tcg_gen_mov_i64(rl, t);
2378 tcg_temp_free_i64(t);
2379 } else {
2380 TCGv_i64 t0 = tcg_temp_new_i64();
2381 tcg_gen_mul_i64(t0, arg1, arg2);
2382 gen_helper_muluh_i64(rh, arg1, arg2);
2383 tcg_gen_mov_i64(rl, t0);
2384 tcg_temp_free_i64(t0);
2385 }
2386 }
2387
2388 void tcg_gen_muls2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
2389 {
2390 if (TCG_TARGET_HAS_muls2_i64) {
2391 tcg_gen_op4_i64(INDEX_op_muls2_i64, rl, rh, arg1, arg2);
2392 } else if (TCG_TARGET_HAS_mulsh_i64) {
2393 TCGv_i64 t = tcg_temp_new_i64();
2394 tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2);
2395 tcg_gen_op3_i64(INDEX_op_mulsh_i64, rh, arg1, arg2);
2396 tcg_gen_mov_i64(rl, t);
2397 tcg_temp_free_i64(t);
2398 } else if (TCG_TARGET_HAS_mulu2_i64 || TCG_TARGET_HAS_muluh_i64) {
2399 TCGv_i64 t0 = tcg_temp_new_i64();
2400 TCGv_i64 t1 = tcg_temp_new_i64();
2401 TCGv_i64 t2 = tcg_temp_new_i64();
2402 TCGv_i64 t3 = tcg_temp_new_i64();
2403 tcg_gen_mulu2_i64(t0, t1, arg1, arg2);
2404 /* Adjust for negative inputs. */
2405 tcg_gen_sari_i64(t2, arg1, 63);
2406 tcg_gen_sari_i64(t3, arg2, 63);
2407 tcg_gen_and_i64(t2, t2, arg2);
2408 tcg_gen_and_i64(t3, t3, arg1);
2409 tcg_gen_sub_i64(rh, t1, t2);
2410 tcg_gen_sub_i64(rh, rh, t3);
2411 tcg_gen_mov_i64(rl, t0);
2412 tcg_temp_free_i64(t0);
2413 tcg_temp_free_i64(t1);
2414 tcg_temp_free_i64(t2);
2415 tcg_temp_free_i64(t3);
2416 } else {
2417 TCGv_i64 t0 = tcg_temp_new_i64();
2418 tcg_gen_mul_i64(t0, arg1, arg2);
2419 gen_helper_mulsh_i64(rh, arg1, arg2);
2420 tcg_gen_mov_i64(rl, t0);
2421 tcg_temp_free_i64(t0);
2422 }
2423 }
2424
2425 void tcg_gen_mulsu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
2426 {
2427 TCGv_i64 t0 = tcg_temp_new_i64();
2428 TCGv_i64 t1 = tcg_temp_new_i64();
2429 TCGv_i64 t2 = tcg_temp_new_i64();
2430 tcg_gen_mulu2_i64(t0, t1, arg1, arg2);
2431 /* Adjust for negative input for the signed arg1. */
2432 tcg_gen_sari_i64(t2, arg1, 63);
2433 tcg_gen_and_i64(t2, t2, arg2);
2434 tcg_gen_sub_i64(rh, t1, t2);
2435 tcg_gen_mov_i64(rl, t0);
2436 tcg_temp_free_i64(t0);
2437 tcg_temp_free_i64(t1);
2438 tcg_temp_free_i64(t2);
2439 }
2440
2441 /* Size changing operations. */
2442
2443 void tcg_gen_extrl_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
2444 {
2445 if (TCG_TARGET_REG_BITS == 32) {
2446 tcg_gen_mov_i32(ret, TCGV_LOW(arg));
2447 } else if (TCG_TARGET_HAS_extrl_i64_i32) {
2448 tcg_gen_op2(INDEX_op_extrl_i64_i32,
2449 tcgv_i32_arg(ret), tcgv_i64_arg(arg));
2450 } else {
2451 tcg_gen_mov_i32(ret, (TCGv_i32)arg);
2452 }
2453 }
2454
2455 void tcg_gen_extrh_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
2456 {
2457 if (TCG_TARGET_REG_BITS == 32) {
2458 tcg_gen_mov_i32(ret, TCGV_HIGH(arg));
2459 } else if (TCG_TARGET_HAS_extrh_i64_i32) {
2460 tcg_gen_op2(INDEX_op_extrh_i64_i32,
2461 tcgv_i32_arg(ret), tcgv_i64_arg(arg));
2462 } else {
2463 TCGv_i64 t = tcg_temp_new_i64();
2464 tcg_gen_shri_i64(t, arg, 32);
2465 tcg_gen_mov_i32(ret, (TCGv_i32)t);
2466 tcg_temp_free_i64(t);
2467 }
2468 }
2469
2470 void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
2471 {
2472 if (TCG_TARGET_REG_BITS == 32) {
2473 tcg_gen_mov_i32(TCGV_LOW(ret), arg);
2474 tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
2475 } else {
2476 tcg_gen_op2(INDEX_op_extu_i32_i64,
2477 tcgv_i64_arg(ret), tcgv_i32_arg(arg));
2478 }
2479 }
2480
2481 void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
2482 {
2483 if (TCG_TARGET_REG_BITS == 32) {
2484 tcg_gen_mov_i32(TCGV_LOW(ret), arg);
2485 tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
2486 } else {
2487 tcg_gen_op2(INDEX_op_ext_i32_i64,
2488 tcgv_i64_arg(ret), tcgv_i32_arg(arg));
2489 }
2490 }
2491
2492 void tcg_gen_concat_i32_i64(TCGv_i64 dest, TCGv_i32 low, TCGv_i32 high)
2493 {
2494 TCGv_i64 tmp;
2495
2496 if (TCG_TARGET_REG_BITS == 32) {
2497 tcg_gen_mov_i32(TCGV_LOW(dest), low);
2498 tcg_gen_mov_i32(TCGV_HIGH(dest), high);
2499 return;
2500 }
2501
2502 tmp = tcg_temp_new_i64();
2503 /* These extensions are only needed for type correctness.
2504 We may be able to do better given target specific information. */
2505 tcg_gen_extu_i32_i64(tmp, high);
2506 tcg_gen_extu_i32_i64(dest, low);
2507 /* If deposit is available, use it. Otherwise use the extra
2508 knowledge that we have of the zero-extensions above. */
2509 if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(32, 32)) {
2510 tcg_gen_deposit_i64(dest, dest, tmp, 32, 32);
2511 } else {
2512 tcg_gen_shli_i64(tmp, tmp, 32);
2513 tcg_gen_or_i64(dest, dest, tmp);
2514 }
2515 tcg_temp_free_i64(tmp);
2516 }
2517
2518 void tcg_gen_extr_i64_i32(TCGv_i32 lo, TCGv_i32 hi, TCGv_i64 arg)
2519 {
2520 if (TCG_TARGET_REG_BITS == 32) {
2521 tcg_gen_mov_i32(lo, TCGV_LOW(arg));
2522 tcg_gen_mov_i32(hi, TCGV_HIGH(arg));
2523 } else {
2524 tcg_gen_extrl_i64_i32(lo, arg);
2525 tcg_gen_extrh_i64_i32(hi, arg);
2526 }
2527 }
2528
2529 void tcg_gen_extr32_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i64 arg)
2530 {
2531 tcg_gen_ext32u_i64(lo, arg);
2532 tcg_gen_shri_i64(hi, arg, 32);
2533 }
2534
2535 /* QEMU specific operations. */
2536
2537 void tcg_gen_goto_tb(unsigned idx)
2538 {
2539 /* We only support two chained exits. */
2540 tcg_debug_assert(idx <= 1);
2541 #ifdef CONFIG_DEBUG_TCG
2542 /* Verify that we havn't seen this numbered exit before. */
2543 tcg_debug_assert((tcg_ctx->goto_tb_issue_mask & (1 << idx)) == 0);
2544 tcg_ctx->goto_tb_issue_mask |= 1 << idx;
2545 #endif
2546 tcg_gen_op1i(INDEX_op_goto_tb, idx);
2547 }
2548
2549 void tcg_gen_lookup_and_goto_ptr(void)
2550 {
2551 if (TCG_TARGET_HAS_goto_ptr && !qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
2552 TCGv_ptr ptr = tcg_temp_new_ptr();
2553 gen_helper_lookup_tb_ptr(ptr, cpu_env);
2554 tcg_gen_op1i(INDEX_op_goto_ptr, tcgv_ptr_arg(ptr));
2555 tcg_temp_free_ptr(ptr);
2556 } else {
2557 tcg_gen_exit_tb(0);
2558 }
2559 }
2560
2561 static inline TCGMemOp tcg_canonicalize_memop(TCGMemOp op, bool is64, bool st)
2562 {
2563 /* Trigger the asserts within as early as possible. */
2564 (void)get_alignment_bits(op);
2565
2566 switch (op & MO_SIZE) {
2567 case MO_8:
2568 op &= ~MO_BSWAP;
2569 break;
2570 case MO_16:
2571 break;
2572 case MO_32:
2573 if (!is64) {
2574 op &= ~MO_SIGN;
2575 }
2576 break;
2577 case MO_64:
2578 if (!is64) {
2579 tcg_abort();
2580 }
2581 break;
2582 }
2583 if (st) {
2584 op &= ~MO_SIGN;
2585 }
2586 return op;
2587 }
2588
2589 static void gen_ldst_i32(TCGOpcode opc, TCGv_i32 val, TCGv addr,
2590 TCGMemOp memop, TCGArg idx)
2591 {
2592 TCGMemOpIdx oi = make_memop_idx(memop, idx);
2593 #if TARGET_LONG_BITS == 32
2594 tcg_gen_op3i_i32(opc, val, addr, oi);
2595 #else
2596 if (TCG_TARGET_REG_BITS == 32) {
2597 tcg_gen_op4i_i32(opc, val, TCGV_LOW(addr), TCGV_HIGH(addr), oi);
2598 } else {
2599 tcg_gen_op3(opc, tcgv_i32_arg(val), tcgv_i64_arg(addr), oi);
2600 }
2601 #endif
2602 }
2603
2604 static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 val, TCGv addr,
2605 TCGMemOp memop, TCGArg idx)
2606 {
2607 TCGMemOpIdx oi = make_memop_idx(memop, idx);
2608 #if TARGET_LONG_BITS == 32
2609 if (TCG_TARGET_REG_BITS == 32) {
2610 tcg_gen_op4i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val), addr, oi);
2611 } else {
2612 tcg_gen_op3(opc, tcgv_i64_arg(val), tcgv_i32_arg(addr), oi);
2613 }
2614 #else
2615 if (TCG_TARGET_REG_BITS == 32) {
2616 tcg_gen_op5i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val),
2617 TCGV_LOW(addr), TCGV_HIGH(addr), oi);
2618 } else {
2619 tcg_gen_op3i_i64(opc, val, addr, oi);
2620 }
2621 #endif
2622 }
2623
2624 static void tcg_gen_req_mo(TCGBar type)
2625 {
2626 #ifdef TCG_GUEST_DEFAULT_MO
2627 type &= TCG_GUEST_DEFAULT_MO;
2628 #endif
2629 type &= ~TCG_TARGET_DEFAULT_MO;
2630 if (type) {
2631 tcg_gen_mb(type | TCG_BAR_SC);
2632 }
2633 }
2634
2635 void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop)
2636 {
2637 tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
2638 memop = tcg_canonicalize_memop(memop, 0, 0);
2639 trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env,
2640 addr, trace_mem_get_info(memop, 0));
2641 gen_ldst_i32(INDEX_op_qemu_ld_i32, val, addr, memop, idx);
2642 }
2643
2644 void tcg_gen_qemu_st_i32(TCGv_i32 val, TCGv addr, TCGArg idx, TCGMemOp memop)
2645 {
2646 tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
2647 memop = tcg_canonicalize_memop(memop, 0, 1);
2648 trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env,
2649 addr, trace_mem_get_info(memop, 1));
2650 gen_ldst_i32(INDEX_op_qemu_st_i32, val, addr, memop, idx);
2651 }
2652
2653 void tcg_gen_qemu_ld_i64(TCGv_i64 val, TCGv addr, TCGArg idx, TCGMemOp memop)
2654 {
2655 tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
2656 if (TCG_TARGET_REG_BITS == 32 && (memop & MO_SIZE) < MO_64) {
2657 tcg_gen_qemu_ld_i32(TCGV_LOW(val), addr, idx, memop);
2658 if (memop & MO_SIGN) {
2659 tcg_gen_sari_i32(TCGV_HIGH(val), TCGV_LOW(val), 31);
2660 } else {
2661 tcg_gen_movi_i32(TCGV_HIGH(val), 0);
2662 }
2663 return;
2664 }
2665
2666 memop = tcg_canonicalize_memop(memop, 1, 0);
2667 trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env,
2668 addr, trace_mem_get_info(memop, 0));
2669 gen_ldst_i64(INDEX_op_qemu_ld_i64, val, addr, memop, idx);
2670 }
2671
2672 void tcg_gen_qemu_st_i64(TCGv_i64 val, TCGv addr, TCGArg idx, TCGMemOp memop)
2673 {
2674 tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
2675 if (TCG_TARGET_REG_BITS == 32 && (memop & MO_SIZE) < MO_64) {
2676 tcg_gen_qemu_st_i32(TCGV_LOW(val), addr, idx, memop);
2677 return;
2678 }
2679
2680 memop = tcg_canonicalize_memop(memop, 1, 1);
2681 trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env,
2682 addr, trace_mem_get_info(memop, 1));
2683 gen_ldst_i64(INDEX_op_qemu_st_i64, val, addr, memop, idx);
2684 }
2685
2686 static void tcg_gen_ext_i32(TCGv_i32 ret, TCGv_i32 val, TCGMemOp opc)
2687 {
2688 switch (opc & MO_SSIZE) {
2689 case MO_SB:
2690 tcg_gen_ext8s_i32(ret, val);
2691 break;
2692 case MO_UB:
2693 tcg_gen_ext8u_i32(ret, val);
2694 break;
2695 case MO_SW:
2696 tcg_gen_ext16s_i32(ret, val);
2697 break;
2698 case MO_UW:
2699 tcg_gen_ext16u_i32(ret, val);
2700 break;
2701 default:
2702 tcg_gen_mov_i32(ret, val);
2703 break;
2704 }
2705 }
2706
2707 static void tcg_gen_ext_i64(TCGv_i64 ret, TCGv_i64 val, TCGMemOp opc)
2708 {
2709 switch (opc & MO_SSIZE) {
2710 case MO_SB:
2711 tcg_gen_ext8s_i64(ret, val);
2712 break;
2713 case MO_UB:
2714 tcg_gen_ext8u_i64(ret, val);
2715 break;
2716 case MO_SW:
2717 tcg_gen_ext16s_i64(ret, val);
2718 break;
2719 case MO_UW:
2720 tcg_gen_ext16u_i64(ret, val);
2721 break;
2722 case MO_SL:
2723 tcg_gen_ext32s_i64(ret, val);
2724 break;
2725 case MO_UL:
2726 tcg_gen_ext32u_i64(ret, val);
2727 break;
2728 default:
2729 tcg_gen_mov_i64(ret, val);
2730 break;
2731 }
2732 }
2733
2734 #ifdef CONFIG_SOFTMMU
2735 typedef void (*gen_atomic_cx_i32)(TCGv_i32, TCGv_env, TCGv,
2736 TCGv_i32, TCGv_i32, TCGv_i32);
2737 typedef void (*gen_atomic_cx_i64)(TCGv_i64, TCGv_env, TCGv,
2738 TCGv_i64, TCGv_i64, TCGv_i32);
2739 typedef void (*gen_atomic_op_i32)(TCGv_i32, TCGv_env, TCGv,
2740 TCGv_i32, TCGv_i32);
2741 typedef void (*gen_atomic_op_i64)(TCGv_i64, TCGv_env, TCGv,
2742 TCGv_i64, TCGv_i32);
2743 #else
2744 typedef void (*gen_atomic_cx_i32)(TCGv_i32, TCGv_env, TCGv, TCGv_i32, TCGv_i32);
2745 typedef void (*gen_atomic_cx_i64)(TCGv_i64, TCGv_env, TCGv, TCGv_i64, TCGv_i64);
2746 typedef void (*gen_atomic_op_i32)(TCGv_i32, TCGv_env, TCGv, TCGv_i32);
2747 typedef void (*gen_atomic_op_i64)(TCGv_i64, TCGv_env, TCGv, TCGv_i64);
2748 #endif
2749
2750 #ifdef CONFIG_ATOMIC64
2751 # define WITH_ATOMIC64(X) X,
2752 #else
2753 # define WITH_ATOMIC64(X)
2754 #endif
2755
2756 static void * const table_cmpxchg[16] = {
2757 [MO_8] = gen_helper_atomic_cmpxchgb,
2758 [MO_16 | MO_LE] = gen_helper_atomic_cmpxchgw_le,
2759 [MO_16 | MO_BE] = gen_helper_atomic_cmpxchgw_be,
2760 [MO_32 | MO_LE] = gen_helper_atomic_cmpxchgl_le,
2761 [MO_32 | MO_BE] = gen_helper_atomic_cmpxchgl_be,
2762 WITH_ATOMIC64([MO_64 | MO_LE] = gen_helper_atomic_cmpxchgq_le)
2763 WITH_ATOMIC64([MO_64 | MO_BE] = gen_helper_atomic_cmpxchgq_be)
2764 };
2765
2766 void tcg_gen_atomic_cmpxchg_i32(TCGv_i32 retv, TCGv addr, TCGv_i32 cmpv,
2767 TCGv_i32 newv, TCGArg idx, TCGMemOp memop)
2768 {
2769 memop = tcg_canonicalize_memop(memop, 0, 0);
2770
2771 if (!(tcg_ctx->tb_cflags & CF_PARALLEL)) {
2772 TCGv_i32 t1 = tcg_temp_new_i32();
2773 TCGv_i32 t2 = tcg_temp_new_i32();
2774
2775 tcg_gen_ext_i32(t2, cmpv, memop & MO_SIZE);
2776
2777 tcg_gen_qemu_ld_i32(t1, addr, idx, memop & ~MO_SIGN);
2778 tcg_gen_movcond_i32(TCG_COND_EQ, t2, t1, t2, newv, t1);
2779 tcg_gen_qemu_st_i32(t2, addr, idx, memop);
2780 tcg_temp_free_i32(t2);
2781
2782 if (memop & MO_SIGN) {
2783 tcg_gen_ext_i32(retv, t1, memop);
2784 } else {
2785 tcg_gen_mov_i32(retv, t1);
2786 }
2787 tcg_temp_free_i32(t1);
2788 } else {
2789 gen_atomic_cx_i32 gen;
2790
2791 gen = table_cmpxchg[memop & (MO_SIZE | MO_BSWAP)];
2792 tcg_debug_assert(gen != NULL);
2793
2794 #ifdef CONFIG_SOFTMMU
2795 {
2796 TCGv_i32 oi = tcg_const_i32(make_memop_idx(memop & ~MO_SIGN, idx));
2797 gen(retv, cpu_env, addr, cmpv, newv, oi);
2798 tcg_temp_free_i32(oi);
2799 }
2800 #else
2801 gen(retv, cpu_env, addr, cmpv, newv);
2802 #endif
2803
2804 if (memop & MO_SIGN) {
2805 tcg_gen_ext_i32(retv, retv, memop);
2806 }
2807 }
2808 }
2809
2810 void tcg_gen_atomic_cmpxchg_i64(TCGv_i64 retv, TCGv addr, TCGv_i64 cmpv,
2811 TCGv_i64 newv, TCGArg idx, TCGMemOp memop)
2812 {
2813 memop = tcg_canonicalize_memop(memop, 1, 0);
2814
2815 if (!(tcg_ctx->tb_cflags & CF_PARALLEL)) {
2816 TCGv_i64 t1 = tcg_temp_new_i64();
2817 TCGv_i64 t2 = tcg_temp_new_i64();
2818
2819 tcg_gen_ext_i64(t2, cmpv, memop & MO_SIZE);
2820
2821 tcg_gen_qemu_ld_i64(t1, addr, idx, memop & ~MO_SIGN);
2822 tcg_gen_movcond_i64(TCG_COND_EQ, t2, t1, t2, newv, t1);
2823 tcg_gen_qemu_st_i64(t2, addr, idx, memop);
2824 tcg_temp_free_i64(t2);
2825
2826 if (memop & MO_SIGN) {
2827 tcg_gen_ext_i64(retv, t1, memop);
2828 } else {
2829 tcg_gen_mov_i64(retv, t1);
2830 }
2831 tcg_temp_free_i64(t1);
2832 } else if ((memop & MO_SIZE) == MO_64) {
2833 #ifdef CONFIG_ATOMIC64
2834 gen_atomic_cx_i64 gen;
2835
2836 gen = table_cmpxchg[memop & (MO_SIZE | MO_BSWAP)];
2837 tcg_debug_assert(gen != NULL);
2838
2839 #ifdef CONFIG_SOFTMMU
2840 {
2841 TCGv_i32 oi = tcg_const_i32(make_memop_idx(memop, idx));
2842 gen(retv, cpu_env, addr, cmpv, newv, oi);
2843 tcg_temp_free_i32(oi);
2844 }
2845 #else
2846 gen(retv, cpu_env, addr, cmpv, newv);
2847 #endif
2848 #else
2849 gen_helper_exit_atomic(cpu_env);
2850 /* Produce a result, so that we have a well-formed opcode stream
2851 with respect to uses of the result in the (dead) code following. */
2852 tcg_gen_movi_i64(retv, 0);
2853 #endif /* CONFIG_ATOMIC64 */
2854 } else {
2855 TCGv_i32 c32 = tcg_temp_new_i32();
2856 TCGv_i32 n32 = tcg_temp_new_i32();
2857 TCGv_i32 r32 = tcg_temp_new_i32();
2858
2859 tcg_gen_extrl_i64_i32(c32, cmpv);
2860 tcg_gen_extrl_i64_i32(n32, newv);
2861 tcg_gen_atomic_cmpxchg_i32(r32, addr, c32, n32, idx, memop & ~MO_SIGN);
2862 tcg_temp_free_i32(c32);
2863 tcg_temp_free_i32(n32);
2864
2865 tcg_gen_extu_i32_i64(retv, r32);
2866 tcg_temp_free_i32(r32);
2867
2868 if (memop & MO_SIGN) {
2869 tcg_gen_ext_i64(retv, retv, memop);
2870 }
2871 }
2872 }
2873
2874 static void do_nonatomic_op_i32(TCGv_i32 ret, TCGv addr, TCGv_i32 val,
2875 TCGArg idx, TCGMemOp memop, bool new_val,
2876 void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
2877 {
2878 TCGv_i32 t1 = tcg_temp_new_i32();
2879 TCGv_i32 t2 = tcg_temp_new_i32();
2880
2881 memop = tcg_canonicalize_memop(memop, 0, 0);
2882
2883 tcg_gen_qemu_ld_i32(t1, addr, idx, memop & ~MO_SIGN);
2884 gen(t2, t1, val);
2885 tcg_gen_qemu_st_i32(t2, addr, idx, memop);
2886
2887 tcg_gen_ext_i32(ret, (new_val ? t2 : t1), memop);
2888 tcg_temp_free_i32(t1);
2889 tcg_temp_free_i32(t2);
2890 }
2891
2892 static void do_atomic_op_i32(TCGv_i32 ret, TCGv addr, TCGv_i32 val,
2893 TCGArg idx, TCGMemOp memop, void * const table[])
2894 {
2895 gen_atomic_op_i32 gen;
2896
2897 memop = tcg_canonicalize_memop(memop, 0, 0);
2898
2899 gen = table[memop & (MO_SIZE | MO_BSWAP)];
2900 tcg_debug_assert(gen != NULL);
2901
2902 #ifdef CONFIG_SOFTMMU
2903 {
2904 TCGv_i32 oi = tcg_const_i32(make_memop_idx(memop & ~MO_SIGN, idx));
2905 gen(ret, cpu_env, addr, val, oi);
2906 tcg_temp_free_i32(oi);
2907 }
2908 #else
2909 gen(ret, cpu_env, addr, val);
2910 #endif
2911
2912 if (memop & MO_SIGN) {
2913 tcg_gen_ext_i32(ret, ret, memop);
2914 }
2915 }
2916
2917 static void do_nonatomic_op_i64(TCGv_i64 ret, TCGv addr, TCGv_i64 val,
2918 TCGArg idx, TCGMemOp memop, bool new_val,
2919 void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
2920 {
2921 TCGv_i64 t1 = tcg_temp_new_i64();
2922 TCGv_i64 t2 = tcg_temp_new_i64();
2923
2924 memop = tcg_canonicalize_memop(memop, 1, 0);
2925
2926 tcg_gen_qemu_ld_i64(t1, addr, idx, memop & ~MO_SIGN);
2927 gen(t2, t1, val);
2928 tcg_gen_qemu_st_i64(t2, addr, idx, memop);
2929
2930 tcg_gen_ext_i64(ret, (new_val ? t2 : t1), memop);
2931 tcg_temp_free_i64(t1);
2932 tcg_temp_free_i64(t2);
2933 }
2934
2935 static void do_atomic_op_i64(TCGv_i64 ret, TCGv addr, TCGv_i64 val,
2936 TCGArg idx, TCGMemOp memop, void * const table[])
2937 {
2938 memop = tcg_canonicalize_memop(memop, 1, 0);
2939
2940 if ((memop & MO_SIZE) == MO_64) {
2941 #ifdef CONFIG_ATOMIC64
2942 gen_atomic_op_i64 gen;
2943
2944 gen = table[memop & (MO_SIZE | MO_BSWAP)];
2945 tcg_debug_assert(gen != NULL);
2946
2947 #ifdef CONFIG_SOFTMMU
2948 {
2949 TCGv_i32 oi = tcg_const_i32(make_memop_idx(memop & ~MO_SIGN, idx));
2950 gen(ret, cpu_env, addr, val, oi);
2951 tcg_temp_free_i32(oi);
2952 }
2953 #else
2954 gen(ret, cpu_env, addr, val);
2955 #endif
2956 #else
2957 gen_helper_exit_atomic(cpu_env);
2958 /* Produce a result, so that we have a well-formed opcode stream
2959 with respect to uses of the result in the (dead) code following. */
2960 tcg_gen_movi_i64(ret, 0);
2961 #endif /* CONFIG_ATOMIC64 */
2962 } else {
2963 TCGv_i32 v32 = tcg_temp_new_i32();
2964 TCGv_i32 r32 = tcg_temp_new_i32();
2965
2966 tcg_gen_extrl_i64_i32(v32, val);
2967 do_atomic_op_i32(r32, addr, v32, idx, memop & ~MO_SIGN, table);
2968 tcg_temp_free_i32(v32);
2969
2970 tcg_gen_extu_i32_i64(ret, r32);
2971 tcg_temp_free_i32(r32);
2972
2973 if (memop & MO_SIGN) {
2974 tcg_gen_ext_i64(ret, ret, memop);
2975 }
2976 }
2977 }
2978
2979 #define GEN_ATOMIC_HELPER(NAME, OP, NEW) \
2980 static void * const table_##NAME[16] = { \
2981 [MO_8] = gen_helper_atomic_##NAME##b, \
2982 [MO_16 | MO_LE] = gen_helper_atomic_##NAME##w_le, \
2983 [MO_16 | MO_BE] = gen_helper_atomic_##NAME##w_be, \
2984 [MO_32 | MO_LE] = gen_helper_atomic_##NAME##l_le, \
2985 [MO_32 | MO_BE] = gen_helper_atomic_##NAME##l_be, \
2986 WITH_ATOMIC64([MO_64 | MO_LE] = gen_helper_atomic_##NAME##q_le) \
2987 WITH_ATOMIC64([MO_64 | MO_BE] = gen_helper_atomic_##NAME##q_be) \
2988 }; \
2989 void tcg_gen_atomic_##NAME##_i32 \
2990 (TCGv_i32 ret, TCGv addr, TCGv_i32 val, TCGArg idx, TCGMemOp memop) \
2991 { \
2992 if (tcg_ctx->tb_cflags & CF_PARALLEL) { \
2993 do_atomic_op_i32(ret, addr, val, idx, memop, table_##NAME); \
2994 } else { \
2995 do_nonatomic_op_i32(ret, addr, val, idx, memop, NEW, \
2996 tcg_gen_##OP##_i32); \
2997 } \
2998 } \
2999 void tcg_gen_atomic_##NAME##_i64 \
3000 (TCGv_i64 ret, TCGv addr, TCGv_i64 val, TCGArg idx, TCGMemOp memop) \
3001 { \
3002 if (tcg_ctx->tb_cflags & CF_PARALLEL) { \
3003 do_atomic_op_i64(ret, addr, val, idx, memop, table_##NAME); \
3004 } else { \
3005 do_nonatomic_op_i64(ret, addr, val, idx, memop, NEW, \
3006 tcg_gen_##OP##_i64); \
3007 } \
3008 }
3009
3010 GEN_ATOMIC_HELPER(fetch_add, add, 0)
3011 GEN_ATOMIC_HELPER(fetch_and, and, 0)
3012 GEN_ATOMIC_HELPER(fetch_or, or, 0)
3013 GEN_ATOMIC_HELPER(fetch_xor, xor, 0)
3014
3015 GEN_ATOMIC_HELPER(add_fetch, add, 1)
3016 GEN_ATOMIC_HELPER(and_fetch, and, 1)
3017 GEN_ATOMIC_HELPER(or_fetch, or, 1)
3018 GEN_ATOMIC_HELPER(xor_fetch, xor, 1)
3019
3020 static void tcg_gen_mov2_i32(TCGv_i32 r, TCGv_i32 a, TCGv_i32 b)
3021 {
3022 tcg_gen_mov_i32(r, b);
3023 }
3024
3025 static void tcg_gen_mov2_i64(TCGv_i64 r, TCGv_i64 a, TCGv_i64 b)
3026 {
3027 tcg_gen_mov_i64(r, b);
3028 }
3029
3030 GEN_ATOMIC_HELPER(xchg, mov2, 0)
3031
3032 #undef GEN_ATOMIC_HELPER
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