xref: /openbmc/qemu/target/hexagon/genptr.c (revision b14df228)
1 /*
2  *  Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Reserved.
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include "qemu/osdep.h"
19 #include "cpu.h"
20 #include "internal.h"
21 #include "tcg/tcg-op.h"
22 #include "tcg/tcg-op-gvec.h"
23 #include "insn.h"
24 #include "opcodes.h"
25 #include "translate.h"
26 #define QEMU_GENERATE       /* Used internally by macros.h */
27 #include "macros.h"
28 #include "mmvec/macros.h"
29 #undef QEMU_GENERATE
30 #include "gen_tcg.h"
31 #include "gen_tcg_hvx.h"
32 
33 static inline void gen_log_predicated_reg_write(int rnum, TCGv val, int slot)
34 {
35     TCGv zero = tcg_constant_tl(0);
36     TCGv slot_mask = tcg_temp_new();
37 
38     tcg_gen_andi_tl(slot_mask, hex_slot_cancelled, 1 << slot);
39     tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum], slot_mask, zero,
40                            val, hex_new_value[rnum]);
41     if (HEX_DEBUG) {
42         /*
43          * Do this so HELPER(debug_commit_end) will know
44          *
45          * Note that slot_mask indicates the value is not written
46          * (i.e., slot was cancelled), so we create a true/false value before
47          * or'ing with hex_reg_written[rnum].
48          */
49         tcg_gen_setcond_tl(TCG_COND_EQ, slot_mask, slot_mask, zero);
50         tcg_gen_or_tl(hex_reg_written[rnum], hex_reg_written[rnum], slot_mask);
51     }
52 
53     tcg_temp_free(slot_mask);
54 }
55 
56 static inline void gen_log_reg_write(int rnum, TCGv val)
57 {
58     tcg_gen_mov_tl(hex_new_value[rnum], val);
59     if (HEX_DEBUG) {
60         /* Do this so HELPER(debug_commit_end) will know */
61         tcg_gen_movi_tl(hex_reg_written[rnum], 1);
62     }
63 }
64 
65 static void gen_log_predicated_reg_write_pair(int rnum, TCGv_i64 val, int slot)
66 {
67     TCGv val32 = tcg_temp_new();
68     TCGv zero = tcg_constant_tl(0);
69     TCGv slot_mask = tcg_temp_new();
70 
71     tcg_gen_andi_tl(slot_mask, hex_slot_cancelled, 1 << slot);
72     /* Low word */
73     tcg_gen_extrl_i64_i32(val32, val);
74     tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum],
75                        slot_mask, zero,
76                        val32, hex_new_value[rnum]);
77     /* High word */
78     tcg_gen_extrh_i64_i32(val32, val);
79     tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum + 1],
80                        slot_mask, zero,
81                        val32, hex_new_value[rnum + 1]);
82     if (HEX_DEBUG) {
83         /*
84          * Do this so HELPER(debug_commit_end) will know
85          *
86          * Note that slot_mask indicates the value is not written
87          * (i.e., slot was cancelled), so we create a true/false value before
88          * or'ing with hex_reg_written[rnum].
89          */
90         tcg_gen_setcond_tl(TCG_COND_EQ, slot_mask, slot_mask, zero);
91         tcg_gen_or_tl(hex_reg_written[rnum], hex_reg_written[rnum], slot_mask);
92         tcg_gen_or_tl(hex_reg_written[rnum + 1], hex_reg_written[rnum + 1],
93                       slot_mask);
94     }
95 
96     tcg_temp_free(val32);
97     tcg_temp_free(slot_mask);
98 }
99 
100 static void gen_log_reg_write_pair(int rnum, TCGv_i64 val)
101 {
102     /* Low word */
103     tcg_gen_extrl_i64_i32(hex_new_value[rnum], val);
104     if (HEX_DEBUG) {
105         /* Do this so HELPER(debug_commit_end) will know */
106         tcg_gen_movi_tl(hex_reg_written[rnum], 1);
107     }
108 
109     /* High word */
110     tcg_gen_extrh_i64_i32(hex_new_value[rnum + 1], val);
111     if (HEX_DEBUG) {
112         /* Do this so HELPER(debug_commit_end) will know */
113         tcg_gen_movi_tl(hex_reg_written[rnum + 1], 1);
114     }
115 }
116 
117 static inline void gen_log_pred_write(DisasContext *ctx, int pnum, TCGv val)
118 {
119     TCGv base_val = tcg_temp_new();
120 
121     tcg_gen_andi_tl(base_val, val, 0xff);
122 
123     /*
124      * Section 6.1.3 of the Hexagon V67 Programmer's Reference Manual
125      *
126      * Multiple writes to the same preg are and'ed together
127      * If this is the first predicate write in the packet, do a
128      * straight assignment.  Otherwise, do an and.
129      */
130     if (!test_bit(pnum, ctx->pregs_written)) {
131         tcg_gen_mov_tl(hex_new_pred_value[pnum], base_val);
132     } else {
133         tcg_gen_and_tl(hex_new_pred_value[pnum],
134                        hex_new_pred_value[pnum], base_val);
135     }
136     tcg_gen_ori_tl(hex_pred_written, hex_pred_written, 1 << pnum);
137 
138     tcg_temp_free(base_val);
139 }
140 
141 static inline void gen_read_p3_0(TCGv control_reg)
142 {
143     tcg_gen_movi_tl(control_reg, 0);
144     for (int i = 0; i < NUM_PREGS; i++) {
145         tcg_gen_deposit_tl(control_reg, control_reg, hex_pred[i], i * 8, 8);
146     }
147 }
148 
149 /*
150  * Certain control registers require special handling on read
151  *     HEX_REG_P3_0          aliased to the predicate registers
152  *                           -> concat the 4 predicate registers together
153  *     HEX_REG_PC            actual value stored in DisasContext
154  *                           -> assign from ctx->base.pc_next
155  *     HEX_REG_QEMU_*_CNT    changes in current TB in DisasContext
156  *                           -> add current TB changes to existing reg value
157  */
158 static inline void gen_read_ctrl_reg(DisasContext *ctx, const int reg_num,
159                                      TCGv dest)
160 {
161     if (reg_num == HEX_REG_P3_0) {
162         gen_read_p3_0(dest);
163     } else if (reg_num == HEX_REG_PC) {
164         tcg_gen_movi_tl(dest, ctx->base.pc_next);
165     } else if (reg_num == HEX_REG_QEMU_PKT_CNT) {
166         tcg_gen_addi_tl(dest, hex_gpr[HEX_REG_QEMU_PKT_CNT],
167                         ctx->num_packets);
168     } else if (reg_num == HEX_REG_QEMU_INSN_CNT) {
169         tcg_gen_addi_tl(dest, hex_gpr[HEX_REG_QEMU_INSN_CNT],
170                         ctx->num_insns);
171     } else if (reg_num == HEX_REG_QEMU_HVX_CNT) {
172         tcg_gen_addi_tl(dest, hex_gpr[HEX_REG_QEMU_HVX_CNT],
173                         ctx->num_hvx_insns);
174     } else {
175         tcg_gen_mov_tl(dest, hex_gpr[reg_num]);
176     }
177 }
178 
179 static inline void gen_read_ctrl_reg_pair(DisasContext *ctx, const int reg_num,
180                                           TCGv_i64 dest)
181 {
182     if (reg_num == HEX_REG_P3_0) {
183         TCGv p3_0 = tcg_temp_new();
184         gen_read_p3_0(p3_0);
185         tcg_gen_concat_i32_i64(dest, p3_0, hex_gpr[reg_num + 1]);
186         tcg_temp_free(p3_0);
187     } else if (reg_num == HEX_REG_PC - 1) {
188         TCGv pc = tcg_constant_tl(ctx->base.pc_next);
189         tcg_gen_concat_i32_i64(dest, hex_gpr[reg_num], pc);
190     } else if (reg_num == HEX_REG_QEMU_PKT_CNT) {
191         TCGv pkt_cnt = tcg_temp_new();
192         TCGv insn_cnt = tcg_temp_new();
193         tcg_gen_addi_tl(pkt_cnt, hex_gpr[HEX_REG_QEMU_PKT_CNT],
194                         ctx->num_packets);
195         tcg_gen_addi_tl(insn_cnt, hex_gpr[HEX_REG_QEMU_INSN_CNT],
196                         ctx->num_insns);
197         tcg_gen_concat_i32_i64(dest, pkt_cnt, insn_cnt);
198         tcg_temp_free(pkt_cnt);
199         tcg_temp_free(insn_cnt);
200     } else if (reg_num == HEX_REG_QEMU_HVX_CNT) {
201         TCGv hvx_cnt = tcg_temp_new();
202         tcg_gen_addi_tl(hvx_cnt, hex_gpr[HEX_REG_QEMU_HVX_CNT],
203                         ctx->num_hvx_insns);
204         tcg_gen_concat_i32_i64(dest, hvx_cnt, hex_gpr[reg_num + 1]);
205         tcg_temp_free(hvx_cnt);
206     } else {
207         tcg_gen_concat_i32_i64(dest,
208             hex_gpr[reg_num],
209             hex_gpr[reg_num + 1]);
210     }
211 }
212 
213 static void gen_write_p3_0(DisasContext *ctx, TCGv control_reg)
214 {
215     TCGv hex_p8 = tcg_temp_new();
216     for (int i = 0; i < NUM_PREGS; i++) {
217         tcg_gen_extract_tl(hex_p8, control_reg, i * 8, 8);
218         gen_log_pred_write(ctx, i, hex_p8);
219         ctx_log_pred_write(ctx, i);
220     }
221     tcg_temp_free(hex_p8);
222 }
223 
224 /*
225  * Certain control registers require special handling on write
226  *     HEX_REG_P3_0          aliased to the predicate registers
227  *                           -> break the value across 4 predicate registers
228  *     HEX_REG_QEMU_*_CNT    changes in current TB in DisasContext
229  *                            -> clear the changes
230  */
231 static inline void gen_write_ctrl_reg(DisasContext *ctx, int reg_num,
232                                       TCGv val)
233 {
234     if (reg_num == HEX_REG_P3_0) {
235         gen_write_p3_0(ctx, val);
236     } else {
237         gen_log_reg_write(reg_num, val);
238         ctx_log_reg_write(ctx, reg_num);
239         if (reg_num == HEX_REG_QEMU_PKT_CNT) {
240             ctx->num_packets = 0;
241         }
242         if (reg_num == HEX_REG_QEMU_INSN_CNT) {
243             ctx->num_insns = 0;
244         }
245         if (reg_num == HEX_REG_QEMU_HVX_CNT) {
246             ctx->num_hvx_insns = 0;
247         }
248     }
249 }
250 
251 static inline void gen_write_ctrl_reg_pair(DisasContext *ctx, int reg_num,
252                                            TCGv_i64 val)
253 {
254     if (reg_num == HEX_REG_P3_0) {
255         TCGv val32 = tcg_temp_new();
256         tcg_gen_extrl_i64_i32(val32, val);
257         gen_write_p3_0(ctx, val32);
258         tcg_gen_extrh_i64_i32(val32, val);
259         gen_log_reg_write(reg_num + 1, val32);
260         tcg_temp_free(val32);
261         ctx_log_reg_write(ctx, reg_num + 1);
262     } else {
263         gen_log_reg_write_pair(reg_num, val);
264         ctx_log_reg_write_pair(ctx, reg_num);
265         if (reg_num == HEX_REG_QEMU_PKT_CNT) {
266             ctx->num_packets = 0;
267             ctx->num_insns = 0;
268         }
269         if (reg_num == HEX_REG_QEMU_HVX_CNT) {
270             ctx->num_hvx_insns = 0;
271         }
272     }
273 }
274 
275 static TCGv gen_get_byte(TCGv result, int N, TCGv src, bool sign)
276 {
277     if (sign) {
278         tcg_gen_sextract_tl(result, src, N * 8, 8);
279     } else {
280         tcg_gen_extract_tl(result, src, N * 8, 8);
281     }
282     return result;
283 }
284 
285 static TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i64 src, bool sign)
286 {
287     TCGv_i64 res64 = tcg_temp_new_i64();
288     if (sign) {
289         tcg_gen_sextract_i64(res64, src, N * 8, 8);
290     } else {
291         tcg_gen_extract_i64(res64, src, N * 8, 8);
292     }
293     tcg_gen_extrl_i64_i32(result, res64);
294     tcg_temp_free_i64(res64);
295 
296     return result;
297 }
298 
299 static inline TCGv gen_get_half(TCGv result, int N, TCGv src, bool sign)
300 {
301     if (sign) {
302         tcg_gen_sextract_tl(result, src, N * 16, 16);
303     } else {
304         tcg_gen_extract_tl(result, src, N * 16, 16);
305     }
306     return result;
307 }
308 
309 static inline void gen_set_half(int N, TCGv result, TCGv src)
310 {
311     tcg_gen_deposit_tl(result, result, src, N * 16, 16);
312 }
313 
314 static inline void gen_set_half_i64(int N, TCGv_i64 result, TCGv src)
315 {
316     TCGv_i64 src64 = tcg_temp_new_i64();
317     tcg_gen_extu_i32_i64(src64, src);
318     tcg_gen_deposit_i64(result, result, src64, N * 16, 16);
319     tcg_temp_free_i64(src64);
320 }
321 
322 static void gen_set_byte_i64(int N, TCGv_i64 result, TCGv src)
323 {
324     TCGv_i64 src64 = tcg_temp_new_i64();
325     tcg_gen_extu_i32_i64(src64, src);
326     tcg_gen_deposit_i64(result, result, src64, N * 8, 8);
327     tcg_temp_free_i64(src64);
328 }
329 
330 static inline void gen_load_locked4u(TCGv dest, TCGv vaddr, int mem_index)
331 {
332     tcg_gen_qemu_ld32u(dest, vaddr, mem_index);
333     tcg_gen_mov_tl(hex_llsc_addr, vaddr);
334     tcg_gen_mov_tl(hex_llsc_val, dest);
335 }
336 
337 static inline void gen_load_locked8u(TCGv_i64 dest, TCGv vaddr, int mem_index)
338 {
339     tcg_gen_qemu_ld64(dest, vaddr, mem_index);
340     tcg_gen_mov_tl(hex_llsc_addr, vaddr);
341     tcg_gen_mov_i64(hex_llsc_val_i64, dest);
342 }
343 
344 static inline void gen_store_conditional4(DisasContext *ctx,
345                                           TCGv pred, TCGv vaddr, TCGv src)
346 {
347     TCGLabel *fail = gen_new_label();
348     TCGLabel *done = gen_new_label();
349     TCGv one, zero, tmp;
350 
351     tcg_gen_brcond_tl(TCG_COND_NE, vaddr, hex_llsc_addr, fail);
352 
353     one = tcg_constant_tl(0xff);
354     zero = tcg_constant_tl(0);
355     tmp = tcg_temp_new();
356     tcg_gen_atomic_cmpxchg_tl(tmp, hex_llsc_addr, hex_llsc_val, src,
357                               ctx->mem_idx, MO_32);
358     tcg_gen_movcond_tl(TCG_COND_EQ, pred, tmp, hex_llsc_val,
359                        one, zero);
360     tcg_temp_free(tmp);
361     tcg_gen_br(done);
362 
363     gen_set_label(fail);
364     tcg_gen_movi_tl(pred, 0);
365 
366     gen_set_label(done);
367     tcg_gen_movi_tl(hex_llsc_addr, ~0);
368 }
369 
370 static inline void gen_store_conditional8(DisasContext *ctx,
371                                           TCGv pred, TCGv vaddr, TCGv_i64 src)
372 {
373     TCGLabel *fail = gen_new_label();
374     TCGLabel *done = gen_new_label();
375     TCGv_i64 one, zero, tmp;
376 
377     tcg_gen_brcond_tl(TCG_COND_NE, vaddr, hex_llsc_addr, fail);
378 
379     one = tcg_constant_i64(0xff);
380     zero = tcg_constant_i64(0);
381     tmp = tcg_temp_new_i64();
382     tcg_gen_atomic_cmpxchg_i64(tmp, hex_llsc_addr, hex_llsc_val_i64, src,
383                                ctx->mem_idx, MO_64);
384     tcg_gen_movcond_i64(TCG_COND_EQ, tmp, tmp, hex_llsc_val_i64,
385                         one, zero);
386     tcg_gen_extrl_i64_i32(pred, tmp);
387     tcg_temp_free_i64(tmp);
388     tcg_gen_br(done);
389 
390     gen_set_label(fail);
391     tcg_gen_movi_tl(pred, 0);
392 
393     gen_set_label(done);
394     tcg_gen_movi_tl(hex_llsc_addr, ~0);
395 }
396 
397 static inline void gen_store32(TCGv vaddr, TCGv src, int width, int slot)
398 {
399     tcg_gen_mov_tl(hex_store_addr[slot], vaddr);
400     tcg_gen_movi_tl(hex_store_width[slot], width);
401     tcg_gen_mov_tl(hex_store_val32[slot], src);
402 }
403 
404 static inline void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src,
405                               DisasContext *ctx, int slot)
406 {
407     gen_store32(vaddr, src, 1, slot);
408     ctx->store_width[slot] = 1;
409 }
410 
411 static inline void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src,
412                                DisasContext *ctx, int slot)
413 {
414     TCGv tmp = tcg_constant_tl(src);
415     gen_store1(cpu_env, vaddr, tmp, ctx, slot);
416 }
417 
418 static inline void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src,
419                               DisasContext *ctx, int slot)
420 {
421     gen_store32(vaddr, src, 2, slot);
422     ctx->store_width[slot] = 2;
423 }
424 
425 static inline void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src,
426                                DisasContext *ctx, int slot)
427 {
428     TCGv tmp = tcg_constant_tl(src);
429     gen_store2(cpu_env, vaddr, tmp, ctx, slot);
430 }
431 
432 static inline void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src,
433                               DisasContext *ctx, int slot)
434 {
435     gen_store32(vaddr, src, 4, slot);
436     ctx->store_width[slot] = 4;
437 }
438 
439 static inline void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src,
440                                DisasContext *ctx, int slot)
441 {
442     TCGv tmp = tcg_constant_tl(src);
443     gen_store4(cpu_env, vaddr, tmp, ctx, slot);
444 }
445 
446 static inline void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src,
447                               DisasContext *ctx, int slot)
448 {
449     tcg_gen_mov_tl(hex_store_addr[slot], vaddr);
450     tcg_gen_movi_tl(hex_store_width[slot], 8);
451     tcg_gen_mov_i64(hex_store_val64[slot], src);
452     ctx->store_width[slot] = 8;
453 }
454 
455 static inline void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src,
456                                DisasContext *ctx, int slot)
457 {
458     TCGv_i64 tmp = tcg_constant_i64(src);
459     gen_store8(cpu_env, vaddr, tmp, ctx, slot);
460 }
461 
462 static TCGv gen_8bitsof(TCGv result, TCGv value)
463 {
464     TCGv zero = tcg_constant_tl(0);
465     TCGv ones = tcg_constant_tl(0xff);
466     tcg_gen_movcond_tl(TCG_COND_NE, result, value, zero, ones, zero);
467 
468     return result;
469 }
470 
471 static intptr_t vreg_src_off(DisasContext *ctx, int num)
472 {
473     intptr_t offset = offsetof(CPUHexagonState, VRegs[num]);
474 
475     if (test_bit(num, ctx->vregs_select)) {
476         offset = ctx_future_vreg_off(ctx, num, 1, false);
477     }
478     if (test_bit(num, ctx->vregs_updated_tmp)) {
479         offset = ctx_tmp_vreg_off(ctx, num, 1, false);
480     }
481     return offset;
482 }
483 
484 static void gen_log_vreg_write(DisasContext *ctx, intptr_t srcoff, int num,
485                                VRegWriteType type, int slot_num,
486                                bool is_predicated)
487 {
488     TCGLabel *label_end = NULL;
489     intptr_t dstoff;
490 
491     if (is_predicated) {
492         TCGv cancelled = tcg_temp_local_new();
493         label_end = gen_new_label();
494 
495         /* Don't do anything if the slot was cancelled */
496         tcg_gen_extract_tl(cancelled, hex_slot_cancelled, slot_num, 1);
497         tcg_gen_brcondi_tl(TCG_COND_NE, cancelled, 0, label_end);
498         tcg_temp_free(cancelled);
499     }
500 
501     if (type != EXT_TMP) {
502         dstoff = ctx_future_vreg_off(ctx, num, 1, true);
503         tcg_gen_gvec_mov(MO_64, dstoff, srcoff,
504                          sizeof(MMVector), sizeof(MMVector));
505         tcg_gen_ori_tl(hex_VRegs_updated, hex_VRegs_updated, 1 << num);
506     } else {
507         dstoff = ctx_tmp_vreg_off(ctx, num, 1, false);
508         tcg_gen_gvec_mov(MO_64, dstoff, srcoff,
509                          sizeof(MMVector), sizeof(MMVector));
510     }
511 
512     if (is_predicated) {
513         gen_set_label(label_end);
514     }
515 }
516 
517 static void gen_log_vreg_write_pair(DisasContext *ctx, intptr_t srcoff, int num,
518                                     VRegWriteType type, int slot_num,
519                                     bool is_predicated)
520 {
521     gen_log_vreg_write(ctx, srcoff, num ^ 0, type, slot_num, is_predicated);
522     srcoff += sizeof(MMVector);
523     gen_log_vreg_write(ctx, srcoff, num ^ 1, type, slot_num, is_predicated);
524 }
525 
526 static void gen_log_qreg_write(intptr_t srcoff, int num, int vnew,
527                                int slot_num, bool is_predicated)
528 {
529     TCGLabel *label_end = NULL;
530     intptr_t dstoff;
531 
532     if (is_predicated) {
533         TCGv cancelled = tcg_temp_local_new();
534         label_end = gen_new_label();
535 
536         /* Don't do anything if the slot was cancelled */
537         tcg_gen_extract_tl(cancelled, hex_slot_cancelled, slot_num, 1);
538         tcg_gen_brcondi_tl(TCG_COND_NE, cancelled, 0, label_end);
539         tcg_temp_free(cancelled);
540     }
541 
542     dstoff = offsetof(CPUHexagonState, future_QRegs[num]);
543     tcg_gen_gvec_mov(MO_64, dstoff, srcoff, sizeof(MMQReg), sizeof(MMQReg));
544 
545     if (is_predicated) {
546         tcg_gen_ori_tl(hex_QRegs_updated, hex_QRegs_updated, 1 << num);
547         gen_set_label(label_end);
548     }
549 }
550 
551 static void gen_vreg_load(DisasContext *ctx, intptr_t dstoff, TCGv src,
552                           bool aligned)
553 {
554     TCGv_i64 tmp = tcg_temp_new_i64();
555     if (aligned) {
556         tcg_gen_andi_tl(src, src, ~((int32_t)sizeof(MMVector) - 1));
557     }
558     for (int i = 0; i < sizeof(MMVector) / 8; i++) {
559         tcg_gen_qemu_ld64(tmp, src, ctx->mem_idx);
560         tcg_gen_addi_tl(src, src, 8);
561         tcg_gen_st_i64(tmp, cpu_env, dstoff + i * 8);
562     }
563     tcg_temp_free_i64(tmp);
564 }
565 
566 static void gen_vreg_store(DisasContext *ctx, Insn *insn, Packet *pkt,
567                            TCGv EA, intptr_t srcoff, int slot, bool aligned)
568 {
569     intptr_t dstoff = offsetof(CPUHexagonState, vstore[slot].data);
570     intptr_t maskoff = offsetof(CPUHexagonState, vstore[slot].mask);
571 
572     if (is_gather_store_insn(insn, pkt)) {
573         TCGv sl = tcg_constant_tl(slot);
574         gen_helper_gather_store(cpu_env, EA, sl);
575         return;
576     }
577 
578     tcg_gen_movi_tl(hex_vstore_pending[slot], 1);
579     if (aligned) {
580         tcg_gen_andi_tl(hex_vstore_addr[slot], EA,
581                         ~((int32_t)sizeof(MMVector) - 1));
582     } else {
583         tcg_gen_mov_tl(hex_vstore_addr[slot], EA);
584     }
585     tcg_gen_movi_tl(hex_vstore_size[slot], sizeof(MMVector));
586 
587     /* Copy the data to the vstore buffer */
588     tcg_gen_gvec_mov(MO_64, dstoff, srcoff, sizeof(MMVector), sizeof(MMVector));
589     /* Set the mask to all 1's */
590     tcg_gen_gvec_dup_imm(MO_64, maskoff, sizeof(MMQReg), sizeof(MMQReg), ~0LL);
591 }
592 
593 static void gen_vreg_masked_store(DisasContext *ctx, TCGv EA, intptr_t srcoff,
594                                   intptr_t bitsoff, int slot, bool invert)
595 {
596     intptr_t dstoff = offsetof(CPUHexagonState, vstore[slot].data);
597     intptr_t maskoff = offsetof(CPUHexagonState, vstore[slot].mask);
598 
599     tcg_gen_movi_tl(hex_vstore_pending[slot], 1);
600     tcg_gen_andi_tl(hex_vstore_addr[slot], EA,
601                     ~((int32_t)sizeof(MMVector) - 1));
602     tcg_gen_movi_tl(hex_vstore_size[slot], sizeof(MMVector));
603 
604     /* Copy the data to the vstore buffer */
605     tcg_gen_gvec_mov(MO_64, dstoff, srcoff, sizeof(MMVector), sizeof(MMVector));
606     /* Copy the mask */
607     tcg_gen_gvec_mov(MO_64, maskoff, bitsoff, sizeof(MMQReg), sizeof(MMQReg));
608     if (invert) {
609         tcg_gen_gvec_not(MO_64, maskoff, maskoff,
610                          sizeof(MMQReg), sizeof(MMQReg));
611     }
612 }
613 
614 static void vec_to_qvec(size_t size, intptr_t dstoff, intptr_t srcoff)
615 {
616     TCGv_i64 tmp = tcg_temp_new_i64();
617     TCGv_i64 word = tcg_temp_new_i64();
618     TCGv_i64 bits = tcg_temp_new_i64();
619     TCGv_i64 mask = tcg_temp_new_i64();
620     TCGv_i64 zero = tcg_constant_i64(0);
621     TCGv_i64 ones = tcg_constant_i64(~0);
622 
623     for (int i = 0; i < sizeof(MMVector) / 8; i++) {
624         tcg_gen_ld_i64(tmp, cpu_env, srcoff + i * 8);
625         tcg_gen_movi_i64(mask, 0);
626 
627         for (int j = 0; j < 8; j += size) {
628             tcg_gen_extract_i64(word, tmp, j * 8, size * 8);
629             tcg_gen_movcond_i64(TCG_COND_NE, bits, word, zero, ones, zero);
630             tcg_gen_deposit_i64(mask, mask, bits, j, size);
631         }
632 
633         tcg_gen_st8_i64(mask, cpu_env, dstoff + i);
634     }
635     tcg_temp_free_i64(tmp);
636     tcg_temp_free_i64(word);
637     tcg_temp_free_i64(bits);
638     tcg_temp_free_i64(mask);
639 }
640 
641 static void probe_noshuf_load(TCGv va, int s, int mi)
642 {
643     TCGv size = tcg_constant_tl(s);
644     TCGv mem_idx = tcg_constant_tl(mi);
645     gen_helper_probe_noshuf_load(cpu_env, va, size, mem_idx);
646 }
647 
648 #include "tcg_funcs_generated.c.inc"
649 #include "tcg_func_table_generated.c.inc"
650