xref: /qemu/target/sparc/translate.c (revision 2e8f72ac)
1 /*
2    SPARC translation
3 
4    Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
5    Copyright (C) 2003-2005 Fabrice Bellard
6 
7    This library is free software; you can redistribute it and/or
8    modify it under the terms of the GNU Lesser General Public
9    License as published by the Free Software Foundation; either
10    version 2.1 of the License, or (at your option) any later version.
11 
12    This library is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15    Lesser General Public License for more details.
16 
17    You should have received a copy of the GNU Lesser General Public
18    License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 
23 #include "cpu.h"
24 #include "disas/disas.h"
25 #include "exec/helper-proto.h"
26 #include "exec/exec-all.h"
27 #include "tcg/tcg-op.h"
28 #include "exec/cpu_ldst.h"
29 
30 #include "exec/helper-gen.h"
31 
32 #include "trace-tcg.h"
33 #include "exec/translator.h"
34 #include "exec/log.h"
35 #include "asi.h"
36 
37 
38 #define DEBUG_DISAS
39 
40 #define DYNAMIC_PC  1 /* dynamic pc value */
41 #define JUMP_PC     2 /* dynamic pc value which takes only two values
42                          according to jump_pc[T2] */
43 
44 #define DISAS_EXIT  DISAS_TARGET_0
45 
46 /* global register indexes */
47 static TCGv_ptr cpu_regwptr;
48 static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst;
49 static TCGv_i32 cpu_cc_op;
50 static TCGv_i32 cpu_psr;
51 static TCGv cpu_fsr, cpu_pc, cpu_npc;
52 static TCGv cpu_regs[32];
53 static TCGv cpu_y;
54 #ifndef CONFIG_USER_ONLY
55 static TCGv cpu_tbr;
56 #endif
57 static TCGv cpu_cond;
58 #ifdef TARGET_SPARC64
59 static TCGv_i32 cpu_xcc, cpu_fprs;
60 static TCGv cpu_gsr;
61 static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
62 static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
63 #else
64 static TCGv cpu_wim;
65 #endif
66 /* Floating point registers */
67 static TCGv_i64 cpu_fpr[TARGET_DPREGS];
68 
69 #include "exec/gen-icount.h"
70 
71 typedef struct DisasContext {
72     DisasContextBase base;
73     target_ulong pc;    /* current Program Counter: integer or DYNAMIC_PC */
74     target_ulong npc;   /* next PC: integer or DYNAMIC_PC or JUMP_PC */
75     target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
76     int mem_idx;
77     bool fpu_enabled;
78     bool address_mask_32bit;
79 #ifndef CONFIG_USER_ONLY
80     bool supervisor;
81 #ifdef TARGET_SPARC64
82     bool hypervisor;
83 #endif
84 #endif
85 
86     uint32_t cc_op;  /* current CC operation */
87     sparc_def_t *def;
88     TCGv_i32 t32[3];
89     TCGv ttl[5];
90     int n_t32;
91     int n_ttl;
92 #ifdef TARGET_SPARC64
93     int fprs_dirty;
94     int asi;
95 #endif
96 } DisasContext;
97 
98 typedef struct {
99     TCGCond cond;
100     bool is_bool;
101     bool g1, g2;
102     TCGv c1, c2;
103 } DisasCompare;
104 
105 // This function uses non-native bit order
106 #define GET_FIELD(X, FROM, TO)                                  \
107     ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
108 
109 // This function uses the order in the manuals, i.e. bit 0 is 2^0
110 #define GET_FIELD_SP(X, FROM, TO)               \
111     GET_FIELD(X, 31 - (TO), 31 - (FROM))
112 
113 #define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1)
114 #define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), ((b) - (a) + 1))
115 
116 #ifdef TARGET_SPARC64
117 #define DFPREG(r) (((r & 1) << 5) | (r & 0x1e))
118 #define QFPREG(r) (((r & 1) << 5) | (r & 0x1c))
119 #else
120 #define DFPREG(r) (r & 0x1e)
121 #define QFPREG(r) (r & 0x1c)
122 #endif
123 
124 #define UA2005_HTRAP_MASK 0xff
125 #define V8_TRAP_MASK 0x7f
126 
127 static int sign_extend(int x, int len)
128 {
129     len = 32 - len;
130     return (x << len) >> len;
131 }
132 
133 #define IS_IMM (insn & (1<<13))
134 
135 static inline TCGv_i32 get_temp_i32(DisasContext *dc)
136 {
137     TCGv_i32 t;
138     assert(dc->n_t32 < ARRAY_SIZE(dc->t32));
139     dc->t32[dc->n_t32++] = t = tcg_temp_new_i32();
140     return t;
141 }
142 
143 static inline TCGv get_temp_tl(DisasContext *dc)
144 {
145     TCGv t;
146     assert(dc->n_ttl < ARRAY_SIZE(dc->ttl));
147     dc->ttl[dc->n_ttl++] = t = tcg_temp_new();
148     return t;
149 }
150 
151 static inline void gen_update_fprs_dirty(DisasContext *dc, int rd)
152 {
153 #if defined(TARGET_SPARC64)
154     int bit = (rd < 32) ? 1 : 2;
155     /* If we know we've already set this bit within the TB,
156        we can avoid setting it again.  */
157     if (!(dc->fprs_dirty & bit)) {
158         dc->fprs_dirty |= bit;
159         tcg_gen_ori_i32(cpu_fprs, cpu_fprs, bit);
160     }
161 #endif
162 }
163 
164 /* floating point registers moves */
165 static TCGv_i32 gen_load_fpr_F(DisasContext *dc, unsigned int src)
166 {
167 #if TCG_TARGET_REG_BITS == 32
168     if (src & 1) {
169         return TCGV_LOW(cpu_fpr[src / 2]);
170     } else {
171         return TCGV_HIGH(cpu_fpr[src / 2]);
172     }
173 #else
174     TCGv_i32 ret = get_temp_i32(dc);
175     if (src & 1) {
176         tcg_gen_extrl_i64_i32(ret, cpu_fpr[src / 2]);
177     } else {
178         tcg_gen_extrh_i64_i32(ret, cpu_fpr[src / 2]);
179     }
180     return ret;
181 #endif
182 }
183 
184 static void gen_store_fpr_F(DisasContext *dc, unsigned int dst, TCGv_i32 v)
185 {
186 #if TCG_TARGET_REG_BITS == 32
187     if (dst & 1) {
188         tcg_gen_mov_i32(TCGV_LOW(cpu_fpr[dst / 2]), v);
189     } else {
190         tcg_gen_mov_i32(TCGV_HIGH(cpu_fpr[dst / 2]), v);
191     }
192 #else
193     TCGv_i64 t = (TCGv_i64)v;
194     tcg_gen_deposit_i64(cpu_fpr[dst / 2], cpu_fpr[dst / 2], t,
195                         (dst & 1 ? 0 : 32), 32);
196 #endif
197     gen_update_fprs_dirty(dc, dst);
198 }
199 
200 static TCGv_i32 gen_dest_fpr_F(DisasContext *dc)
201 {
202     return get_temp_i32(dc);
203 }
204 
205 static TCGv_i64 gen_load_fpr_D(DisasContext *dc, unsigned int src)
206 {
207     src = DFPREG(src);
208     return cpu_fpr[src / 2];
209 }
210 
211 static void gen_store_fpr_D(DisasContext *dc, unsigned int dst, TCGv_i64 v)
212 {
213     dst = DFPREG(dst);
214     tcg_gen_mov_i64(cpu_fpr[dst / 2], v);
215     gen_update_fprs_dirty(dc, dst);
216 }
217 
218 static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
219 {
220     return cpu_fpr[DFPREG(dst) / 2];
221 }
222 
223 static void gen_op_load_fpr_QT0(unsigned int src)
224 {
225     tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
226                    offsetof(CPU_QuadU, ll.upper));
227     tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
228                    offsetof(CPU_QuadU, ll.lower));
229 }
230 
231 static void gen_op_load_fpr_QT1(unsigned int src)
232 {
233     tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt1) +
234                    offsetof(CPU_QuadU, ll.upper));
235     tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt1) +
236                    offsetof(CPU_QuadU, ll.lower));
237 }
238 
239 static void gen_op_store_QT0_fpr(unsigned int dst)
240 {
241     tcg_gen_ld_i64(cpu_fpr[dst / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
242                    offsetof(CPU_QuadU, ll.upper));
243     tcg_gen_ld_i64(cpu_fpr[dst/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
244                    offsetof(CPU_QuadU, ll.lower));
245 }
246 
247 static void gen_store_fpr_Q(DisasContext *dc, unsigned int dst,
248                             TCGv_i64 v1, TCGv_i64 v2)
249 {
250     dst = QFPREG(dst);
251 
252     tcg_gen_mov_i64(cpu_fpr[dst / 2], v1);
253     tcg_gen_mov_i64(cpu_fpr[dst / 2 + 1], v2);
254     gen_update_fprs_dirty(dc, dst);
255 }
256 
257 #ifdef TARGET_SPARC64
258 static TCGv_i64 gen_load_fpr_Q0(DisasContext *dc, unsigned int src)
259 {
260     src = QFPREG(src);
261     return cpu_fpr[src / 2];
262 }
263 
264 static TCGv_i64 gen_load_fpr_Q1(DisasContext *dc, unsigned int src)
265 {
266     src = QFPREG(src);
267     return cpu_fpr[src / 2 + 1];
268 }
269 
270 static void gen_move_Q(DisasContext *dc, unsigned int rd, unsigned int rs)
271 {
272     rd = QFPREG(rd);
273     rs = QFPREG(rs);
274 
275     tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
276     tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
277     gen_update_fprs_dirty(dc, rd);
278 }
279 #endif
280 
281 /* moves */
282 #ifdef CONFIG_USER_ONLY
283 #define supervisor(dc) 0
284 #ifdef TARGET_SPARC64
285 #define hypervisor(dc) 0
286 #endif
287 #else
288 #ifdef TARGET_SPARC64
289 #define hypervisor(dc) (dc->hypervisor)
290 #define supervisor(dc) (dc->supervisor | dc->hypervisor)
291 #else
292 #define supervisor(dc) (dc->supervisor)
293 #endif
294 #endif
295 
296 #ifdef TARGET_SPARC64
297 #ifndef TARGET_ABI32
298 #define AM_CHECK(dc) ((dc)->address_mask_32bit)
299 #else
300 #define AM_CHECK(dc) (1)
301 #endif
302 #endif
303 
304 static inline void gen_address_mask(DisasContext *dc, TCGv addr)
305 {
306 #ifdef TARGET_SPARC64
307     if (AM_CHECK(dc))
308         tcg_gen_andi_tl(addr, addr, 0xffffffffULL);
309 #endif
310 }
311 
312 static inline TCGv gen_load_gpr(DisasContext *dc, int reg)
313 {
314     if (reg > 0) {
315         assert(reg < 32);
316         return cpu_regs[reg];
317     } else {
318         TCGv t = get_temp_tl(dc);
319         tcg_gen_movi_tl(t, 0);
320         return t;
321     }
322 }
323 
324 static inline void gen_store_gpr(DisasContext *dc, int reg, TCGv v)
325 {
326     if (reg > 0) {
327         assert(reg < 32);
328         tcg_gen_mov_tl(cpu_regs[reg], v);
329     }
330 }
331 
332 static inline TCGv gen_dest_gpr(DisasContext *dc, int reg)
333 {
334     if (reg > 0) {
335         assert(reg < 32);
336         return cpu_regs[reg];
337     } else {
338         return get_temp_tl(dc);
339     }
340 }
341 
342 static inline bool use_goto_tb(DisasContext *s, target_ulong pc,
343                                target_ulong npc)
344 {
345     if (unlikely(s->base.singlestep_enabled || singlestep)) {
346         return false;
347     }
348 
349 #ifndef CONFIG_USER_ONLY
350     return (pc & TARGET_PAGE_MASK) == (s->base.tb->pc & TARGET_PAGE_MASK) &&
351            (npc & TARGET_PAGE_MASK) == (s->base.tb->pc & TARGET_PAGE_MASK);
352 #else
353     return true;
354 #endif
355 }
356 
357 static inline void gen_goto_tb(DisasContext *s, int tb_num,
358                                target_ulong pc, target_ulong npc)
359 {
360     if (use_goto_tb(s, pc, npc))  {
361         /* jump to same page: we can use a direct jump */
362         tcg_gen_goto_tb(tb_num);
363         tcg_gen_movi_tl(cpu_pc, pc);
364         tcg_gen_movi_tl(cpu_npc, npc);
365         tcg_gen_exit_tb(s->base.tb, tb_num);
366     } else {
367         /* jump to another page: currently not optimized */
368         tcg_gen_movi_tl(cpu_pc, pc);
369         tcg_gen_movi_tl(cpu_npc, npc);
370         tcg_gen_exit_tb(NULL, 0);
371     }
372 }
373 
374 // XXX suboptimal
375 static inline void gen_mov_reg_N(TCGv reg, TCGv_i32 src)
376 {
377     tcg_gen_extu_i32_tl(reg, src);
378     tcg_gen_extract_tl(reg, reg, PSR_NEG_SHIFT, 1);
379 }
380 
381 static inline void gen_mov_reg_Z(TCGv reg, TCGv_i32 src)
382 {
383     tcg_gen_extu_i32_tl(reg, src);
384     tcg_gen_extract_tl(reg, reg, PSR_ZERO_SHIFT, 1);
385 }
386 
387 static inline void gen_mov_reg_V(TCGv reg, TCGv_i32 src)
388 {
389     tcg_gen_extu_i32_tl(reg, src);
390     tcg_gen_extract_tl(reg, reg, PSR_OVF_SHIFT, 1);
391 }
392 
393 static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
394 {
395     tcg_gen_extu_i32_tl(reg, src);
396     tcg_gen_extract_tl(reg, reg, PSR_CARRY_SHIFT, 1);
397 }
398 
399 static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
400 {
401     tcg_gen_mov_tl(cpu_cc_src, src1);
402     tcg_gen_mov_tl(cpu_cc_src2, src2);
403     tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
404     tcg_gen_mov_tl(dst, cpu_cc_dst);
405 }
406 
407 static TCGv_i32 gen_add32_carry32(void)
408 {
409     TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
410 
411     /* Carry is computed from a previous add: (dst < src)  */
412 #if TARGET_LONG_BITS == 64
413     cc_src1_32 = tcg_temp_new_i32();
414     cc_src2_32 = tcg_temp_new_i32();
415     tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_dst);
416     tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src);
417 #else
418     cc_src1_32 = cpu_cc_dst;
419     cc_src2_32 = cpu_cc_src;
420 #endif
421 
422     carry_32 = tcg_temp_new_i32();
423     tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
424 
425 #if TARGET_LONG_BITS == 64
426     tcg_temp_free_i32(cc_src1_32);
427     tcg_temp_free_i32(cc_src2_32);
428 #endif
429 
430     return carry_32;
431 }
432 
433 static TCGv_i32 gen_sub32_carry32(void)
434 {
435     TCGv_i32 carry_32, cc_src1_32, cc_src2_32;
436 
437     /* Carry is computed from a previous borrow: (src1 < src2)  */
438 #if TARGET_LONG_BITS == 64
439     cc_src1_32 = tcg_temp_new_i32();
440     cc_src2_32 = tcg_temp_new_i32();
441     tcg_gen_extrl_i64_i32(cc_src1_32, cpu_cc_src);
442     tcg_gen_extrl_i64_i32(cc_src2_32, cpu_cc_src2);
443 #else
444     cc_src1_32 = cpu_cc_src;
445     cc_src2_32 = cpu_cc_src2;
446 #endif
447 
448     carry_32 = tcg_temp_new_i32();
449     tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);
450 
451 #if TARGET_LONG_BITS == 64
452     tcg_temp_free_i32(cc_src1_32);
453     tcg_temp_free_i32(cc_src2_32);
454 #endif
455 
456     return carry_32;
457 }
458 
459 static void gen_op_addx_int(DisasContext *dc, TCGv dst, TCGv src1,
460                             TCGv src2, int update_cc)
461 {
462     TCGv_i32 carry_32;
463     TCGv carry;
464 
465     switch (dc->cc_op) {
466     case CC_OP_DIV:
467     case CC_OP_LOGIC:
468         /* Carry is known to be zero.  Fall back to plain ADD.  */
469         if (update_cc) {
470             gen_op_add_cc(dst, src1, src2);
471         } else {
472             tcg_gen_add_tl(dst, src1, src2);
473         }
474         return;
475 
476     case CC_OP_ADD:
477     case CC_OP_TADD:
478     case CC_OP_TADDTV:
479         if (TARGET_LONG_BITS == 32) {
480             /* We can re-use the host's hardware carry generation by using
481                an ADD2 opcode.  We discard the low part of the output.
482                Ideally we'd combine this operation with the add that
483                generated the carry in the first place.  */
484             carry = tcg_temp_new();
485             tcg_gen_add2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
486             tcg_temp_free(carry);
487             goto add_done;
488         }
489         carry_32 = gen_add32_carry32();
490         break;
491 
492     case CC_OP_SUB:
493     case CC_OP_TSUB:
494     case CC_OP_TSUBTV:
495         carry_32 = gen_sub32_carry32();
496         break;
497 
498     default:
499         /* We need external help to produce the carry.  */
500         carry_32 = tcg_temp_new_i32();
501         gen_helper_compute_C_icc(carry_32, cpu_env);
502         break;
503     }
504 
505 #if TARGET_LONG_BITS == 64
506     carry = tcg_temp_new();
507     tcg_gen_extu_i32_i64(carry, carry_32);
508 #else
509     carry = carry_32;
510 #endif
511 
512     tcg_gen_add_tl(dst, src1, src2);
513     tcg_gen_add_tl(dst, dst, carry);
514 
515     tcg_temp_free_i32(carry_32);
516 #if TARGET_LONG_BITS == 64
517     tcg_temp_free(carry);
518 #endif
519 
520  add_done:
521     if (update_cc) {
522         tcg_gen_mov_tl(cpu_cc_src, src1);
523         tcg_gen_mov_tl(cpu_cc_src2, src2);
524         tcg_gen_mov_tl(cpu_cc_dst, dst);
525         tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
526         dc->cc_op = CC_OP_ADDX;
527     }
528 }
529 
530 static inline void gen_op_sub_cc(TCGv dst, TCGv src1, TCGv src2)
531 {
532     tcg_gen_mov_tl(cpu_cc_src, src1);
533     tcg_gen_mov_tl(cpu_cc_src2, src2);
534     tcg_gen_sub_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
535     tcg_gen_mov_tl(dst, cpu_cc_dst);
536 }
537 
538 static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
539                             TCGv src2, int update_cc)
540 {
541     TCGv_i32 carry_32;
542     TCGv carry;
543 
544     switch (dc->cc_op) {
545     case CC_OP_DIV:
546     case CC_OP_LOGIC:
547         /* Carry is known to be zero.  Fall back to plain SUB.  */
548         if (update_cc) {
549             gen_op_sub_cc(dst, src1, src2);
550         } else {
551             tcg_gen_sub_tl(dst, src1, src2);
552         }
553         return;
554 
555     case CC_OP_ADD:
556     case CC_OP_TADD:
557     case CC_OP_TADDTV:
558         carry_32 = gen_add32_carry32();
559         break;
560 
561     case CC_OP_SUB:
562     case CC_OP_TSUB:
563     case CC_OP_TSUBTV:
564         if (TARGET_LONG_BITS == 32) {
565             /* We can re-use the host's hardware carry generation by using
566                a SUB2 opcode.  We discard the low part of the output.
567                Ideally we'd combine this operation with the add that
568                generated the carry in the first place.  */
569             carry = tcg_temp_new();
570             tcg_gen_sub2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
571             tcg_temp_free(carry);
572             goto sub_done;
573         }
574         carry_32 = gen_sub32_carry32();
575         break;
576 
577     default:
578         /* We need external help to produce the carry.  */
579         carry_32 = tcg_temp_new_i32();
580         gen_helper_compute_C_icc(carry_32, cpu_env);
581         break;
582     }
583 
584 #if TARGET_LONG_BITS == 64
585     carry = tcg_temp_new();
586     tcg_gen_extu_i32_i64(carry, carry_32);
587 #else
588     carry = carry_32;
589 #endif
590 
591     tcg_gen_sub_tl(dst, src1, src2);
592     tcg_gen_sub_tl(dst, dst, carry);
593 
594     tcg_temp_free_i32(carry_32);
595 #if TARGET_LONG_BITS == 64
596     tcg_temp_free(carry);
597 #endif
598 
599  sub_done:
600     if (update_cc) {
601         tcg_gen_mov_tl(cpu_cc_src, src1);
602         tcg_gen_mov_tl(cpu_cc_src2, src2);
603         tcg_gen_mov_tl(cpu_cc_dst, dst);
604         tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUBX);
605         dc->cc_op = CC_OP_SUBX;
606     }
607 }
608 
609 static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
610 {
611     TCGv r_temp, zero, t0;
612 
613     r_temp = tcg_temp_new();
614     t0 = tcg_temp_new();
615 
616     /* old op:
617     if (!(env->y & 1))
618         T1 = 0;
619     */
620     zero = tcg_const_tl(0);
621     tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
622     tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
623     tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
624     tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
625                        zero, cpu_cc_src2);
626     tcg_temp_free(zero);
627 
628     // b2 = T0 & 1;
629     // env->y = (b2 << 31) | (env->y >> 1);
630     tcg_gen_extract_tl(t0, cpu_y, 1, 31);
631     tcg_gen_deposit_tl(cpu_y, t0, cpu_cc_src, 31, 1);
632 
633     // b1 = N ^ V;
634     gen_mov_reg_N(t0, cpu_psr);
635     gen_mov_reg_V(r_temp, cpu_psr);
636     tcg_gen_xor_tl(t0, t0, r_temp);
637     tcg_temp_free(r_temp);
638 
639     // T0 = (b1 << 31) | (T0 >> 1);
640     // src1 = T0;
641     tcg_gen_shli_tl(t0, t0, 31);
642     tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
643     tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
644     tcg_temp_free(t0);
645 
646     tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
647 
648     tcg_gen_mov_tl(dst, cpu_cc_dst);
649 }
650 
651 static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
652 {
653 #if TARGET_LONG_BITS == 32
654     if (sign_ext) {
655         tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
656     } else {
657         tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
658     }
659 #else
660     TCGv t0 = tcg_temp_new_i64();
661     TCGv t1 = tcg_temp_new_i64();
662 
663     if (sign_ext) {
664         tcg_gen_ext32s_i64(t0, src1);
665         tcg_gen_ext32s_i64(t1, src2);
666     } else {
667         tcg_gen_ext32u_i64(t0, src1);
668         tcg_gen_ext32u_i64(t1, src2);
669     }
670 
671     tcg_gen_mul_i64(dst, t0, t1);
672     tcg_temp_free(t0);
673     tcg_temp_free(t1);
674 
675     tcg_gen_shri_i64(cpu_y, dst, 32);
676 #endif
677 }
678 
679 static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
680 {
681     /* zero-extend truncated operands before multiplication */
682     gen_op_multiply(dst, src1, src2, 0);
683 }
684 
685 static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
686 {
687     /* sign-extend truncated operands before multiplication */
688     gen_op_multiply(dst, src1, src2, 1);
689 }
690 
691 // 1
692 static inline void gen_op_eval_ba(TCGv dst)
693 {
694     tcg_gen_movi_tl(dst, 1);
695 }
696 
697 // Z
698 static inline void gen_op_eval_be(TCGv dst, TCGv_i32 src)
699 {
700     gen_mov_reg_Z(dst, src);
701 }
702 
703 // Z | (N ^ V)
704 static inline void gen_op_eval_ble(TCGv dst, TCGv_i32 src)
705 {
706     TCGv t0 = tcg_temp_new();
707     gen_mov_reg_N(t0, src);
708     gen_mov_reg_V(dst, src);
709     tcg_gen_xor_tl(dst, dst, t0);
710     gen_mov_reg_Z(t0, src);
711     tcg_gen_or_tl(dst, dst, t0);
712     tcg_temp_free(t0);
713 }
714 
715 // N ^ V
716 static inline void gen_op_eval_bl(TCGv dst, TCGv_i32 src)
717 {
718     TCGv t0 = tcg_temp_new();
719     gen_mov_reg_V(t0, src);
720     gen_mov_reg_N(dst, src);
721     tcg_gen_xor_tl(dst, dst, t0);
722     tcg_temp_free(t0);
723 }
724 
725 // C | Z
726 static inline void gen_op_eval_bleu(TCGv dst, TCGv_i32 src)
727 {
728     TCGv t0 = tcg_temp_new();
729     gen_mov_reg_Z(t0, src);
730     gen_mov_reg_C(dst, src);
731     tcg_gen_or_tl(dst, dst, t0);
732     tcg_temp_free(t0);
733 }
734 
735 // C
736 static inline void gen_op_eval_bcs(TCGv dst, TCGv_i32 src)
737 {
738     gen_mov_reg_C(dst, src);
739 }
740 
741 // V
742 static inline void gen_op_eval_bvs(TCGv dst, TCGv_i32 src)
743 {
744     gen_mov_reg_V(dst, src);
745 }
746 
747 // 0
748 static inline void gen_op_eval_bn(TCGv dst)
749 {
750     tcg_gen_movi_tl(dst, 0);
751 }
752 
753 // N
754 static inline void gen_op_eval_bneg(TCGv dst, TCGv_i32 src)
755 {
756     gen_mov_reg_N(dst, src);
757 }
758 
759 // !Z
760 static inline void gen_op_eval_bne(TCGv dst, TCGv_i32 src)
761 {
762     gen_mov_reg_Z(dst, src);
763     tcg_gen_xori_tl(dst, dst, 0x1);
764 }
765 
766 // !(Z | (N ^ V))
767 static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
768 {
769     gen_op_eval_ble(dst, src);
770     tcg_gen_xori_tl(dst, dst, 0x1);
771 }
772 
773 // !(N ^ V)
774 static inline void gen_op_eval_bge(TCGv dst, TCGv_i32 src)
775 {
776     gen_op_eval_bl(dst, src);
777     tcg_gen_xori_tl(dst, dst, 0x1);
778 }
779 
780 // !(C | Z)
781 static inline void gen_op_eval_bgu(TCGv dst, TCGv_i32 src)
782 {
783     gen_op_eval_bleu(dst, src);
784     tcg_gen_xori_tl(dst, dst, 0x1);
785 }
786 
787 // !C
788 static inline void gen_op_eval_bcc(TCGv dst, TCGv_i32 src)
789 {
790     gen_mov_reg_C(dst, src);
791     tcg_gen_xori_tl(dst, dst, 0x1);
792 }
793 
794 // !N
795 static inline void gen_op_eval_bpos(TCGv dst, TCGv_i32 src)
796 {
797     gen_mov_reg_N(dst, src);
798     tcg_gen_xori_tl(dst, dst, 0x1);
799 }
800 
801 // !V
802 static inline void gen_op_eval_bvc(TCGv dst, TCGv_i32 src)
803 {
804     gen_mov_reg_V(dst, src);
805     tcg_gen_xori_tl(dst, dst, 0x1);
806 }
807 
808 /*
809   FPSR bit field FCC1 | FCC0:
810    0 =
811    1 <
812    2 >
813    3 unordered
814 */
815 static inline void gen_mov_reg_FCC0(TCGv reg, TCGv src,
816                                     unsigned int fcc_offset)
817 {
818     tcg_gen_shri_tl(reg, src, FSR_FCC0_SHIFT + fcc_offset);
819     tcg_gen_andi_tl(reg, reg, 0x1);
820 }
821 
822 static inline void gen_mov_reg_FCC1(TCGv reg, TCGv src,
823                                     unsigned int fcc_offset)
824 {
825     tcg_gen_shri_tl(reg, src, FSR_FCC1_SHIFT + fcc_offset);
826     tcg_gen_andi_tl(reg, reg, 0x1);
827 }
828 
829 // !0: FCC0 | FCC1
830 static inline void gen_op_eval_fbne(TCGv dst, TCGv src,
831                                     unsigned int fcc_offset)
832 {
833     TCGv t0 = tcg_temp_new();
834     gen_mov_reg_FCC0(dst, src, fcc_offset);
835     gen_mov_reg_FCC1(t0, src, fcc_offset);
836     tcg_gen_or_tl(dst, dst, t0);
837     tcg_temp_free(t0);
838 }
839 
840 // 1 or 2: FCC0 ^ FCC1
841 static inline void gen_op_eval_fblg(TCGv dst, TCGv src,
842                                     unsigned int fcc_offset)
843 {
844     TCGv t0 = tcg_temp_new();
845     gen_mov_reg_FCC0(dst, src, fcc_offset);
846     gen_mov_reg_FCC1(t0, src, fcc_offset);
847     tcg_gen_xor_tl(dst, dst, t0);
848     tcg_temp_free(t0);
849 }
850 
851 // 1 or 3: FCC0
852 static inline void gen_op_eval_fbul(TCGv dst, TCGv src,
853                                     unsigned int fcc_offset)
854 {
855     gen_mov_reg_FCC0(dst, src, fcc_offset);
856 }
857 
858 // 1: FCC0 & !FCC1
859 static inline void gen_op_eval_fbl(TCGv dst, TCGv src,
860                                     unsigned int fcc_offset)
861 {
862     TCGv t0 = tcg_temp_new();
863     gen_mov_reg_FCC0(dst, src, fcc_offset);
864     gen_mov_reg_FCC1(t0, src, fcc_offset);
865     tcg_gen_andc_tl(dst, dst, t0);
866     tcg_temp_free(t0);
867 }
868 
869 // 2 or 3: FCC1
870 static inline void gen_op_eval_fbug(TCGv dst, TCGv src,
871                                     unsigned int fcc_offset)
872 {
873     gen_mov_reg_FCC1(dst, src, fcc_offset);
874 }
875 
876 // 2: !FCC0 & FCC1
877 static inline void gen_op_eval_fbg(TCGv dst, TCGv src,
878                                     unsigned int fcc_offset)
879 {
880     TCGv t0 = tcg_temp_new();
881     gen_mov_reg_FCC0(dst, src, fcc_offset);
882     gen_mov_reg_FCC1(t0, src, fcc_offset);
883     tcg_gen_andc_tl(dst, t0, dst);
884     tcg_temp_free(t0);
885 }
886 
887 // 3: FCC0 & FCC1
888 static inline void gen_op_eval_fbu(TCGv dst, TCGv src,
889                                     unsigned int fcc_offset)
890 {
891     TCGv t0 = tcg_temp_new();
892     gen_mov_reg_FCC0(dst, src, fcc_offset);
893     gen_mov_reg_FCC1(t0, src, fcc_offset);
894     tcg_gen_and_tl(dst, dst, t0);
895     tcg_temp_free(t0);
896 }
897 
898 // 0: !(FCC0 | FCC1)
899 static inline void gen_op_eval_fbe(TCGv dst, TCGv src,
900                                     unsigned int fcc_offset)
901 {
902     TCGv t0 = tcg_temp_new();
903     gen_mov_reg_FCC0(dst, src, fcc_offset);
904     gen_mov_reg_FCC1(t0, src, fcc_offset);
905     tcg_gen_or_tl(dst, dst, t0);
906     tcg_gen_xori_tl(dst, dst, 0x1);
907     tcg_temp_free(t0);
908 }
909 
910 // 0 or 3: !(FCC0 ^ FCC1)
911 static inline void gen_op_eval_fbue(TCGv dst, TCGv src,
912                                     unsigned int fcc_offset)
913 {
914     TCGv t0 = tcg_temp_new();
915     gen_mov_reg_FCC0(dst, src, fcc_offset);
916     gen_mov_reg_FCC1(t0, src, fcc_offset);
917     tcg_gen_xor_tl(dst, dst, t0);
918     tcg_gen_xori_tl(dst, dst, 0x1);
919     tcg_temp_free(t0);
920 }
921 
922 // 0 or 2: !FCC0
923 static inline void gen_op_eval_fbge(TCGv dst, TCGv src,
924                                     unsigned int fcc_offset)
925 {
926     gen_mov_reg_FCC0(dst, src, fcc_offset);
927     tcg_gen_xori_tl(dst, dst, 0x1);
928 }
929 
930 // !1: !(FCC0 & !FCC1)
931 static inline void gen_op_eval_fbuge(TCGv dst, TCGv src,
932                                     unsigned int fcc_offset)
933 {
934     TCGv t0 = tcg_temp_new();
935     gen_mov_reg_FCC0(dst, src, fcc_offset);
936     gen_mov_reg_FCC1(t0, src, fcc_offset);
937     tcg_gen_andc_tl(dst, dst, t0);
938     tcg_gen_xori_tl(dst, dst, 0x1);
939     tcg_temp_free(t0);
940 }
941 
942 // 0 or 1: !FCC1
943 static inline void gen_op_eval_fble(TCGv dst, TCGv src,
944                                     unsigned int fcc_offset)
945 {
946     gen_mov_reg_FCC1(dst, src, fcc_offset);
947     tcg_gen_xori_tl(dst, dst, 0x1);
948 }
949 
950 // !2: !(!FCC0 & FCC1)
951 static inline void gen_op_eval_fbule(TCGv dst, TCGv src,
952                                     unsigned int fcc_offset)
953 {
954     TCGv t0 = tcg_temp_new();
955     gen_mov_reg_FCC0(dst, src, fcc_offset);
956     gen_mov_reg_FCC1(t0, src, fcc_offset);
957     tcg_gen_andc_tl(dst, t0, dst);
958     tcg_gen_xori_tl(dst, dst, 0x1);
959     tcg_temp_free(t0);
960 }
961 
962 // !3: !(FCC0 & FCC1)
963 static inline void gen_op_eval_fbo(TCGv dst, TCGv src,
964                                     unsigned int fcc_offset)
965 {
966     TCGv t0 = tcg_temp_new();
967     gen_mov_reg_FCC0(dst, src, fcc_offset);
968     gen_mov_reg_FCC1(t0, src, fcc_offset);
969     tcg_gen_and_tl(dst, dst, t0);
970     tcg_gen_xori_tl(dst, dst, 0x1);
971     tcg_temp_free(t0);
972 }
973 
974 static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
975                                target_ulong pc2, TCGv r_cond)
976 {
977     TCGLabel *l1 = gen_new_label();
978 
979     tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);
980 
981     gen_goto_tb(dc, 0, pc1, pc1 + 4);
982 
983     gen_set_label(l1);
984     gen_goto_tb(dc, 1, pc2, pc2 + 4);
985 }
986 
987 static void gen_branch_a(DisasContext *dc, target_ulong pc1)
988 {
989     TCGLabel *l1 = gen_new_label();
990     target_ulong npc = dc->npc;
991 
992     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
993 
994     gen_goto_tb(dc, 0, npc, pc1);
995 
996     gen_set_label(l1);
997     gen_goto_tb(dc, 1, npc + 4, npc + 8);
998 
999     dc->base.is_jmp = DISAS_NORETURN;
1000 }
1001 
1002 static void gen_branch_n(DisasContext *dc, target_ulong pc1)
1003 {
1004     target_ulong npc = dc->npc;
1005 
1006     if (likely(npc != DYNAMIC_PC)) {
1007         dc->pc = npc;
1008         dc->jump_pc[0] = pc1;
1009         dc->jump_pc[1] = npc + 4;
1010         dc->npc = JUMP_PC;
1011     } else {
1012         TCGv t, z;
1013 
1014         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1015 
1016         tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1017         t = tcg_const_tl(pc1);
1018         z = tcg_const_tl(0);
1019         tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, z, t, cpu_npc);
1020         tcg_temp_free(t);
1021         tcg_temp_free(z);
1022 
1023         dc->pc = DYNAMIC_PC;
1024     }
1025 }
1026 
1027 static inline void gen_generic_branch(DisasContext *dc)
1028 {
1029     TCGv npc0 = tcg_const_tl(dc->jump_pc[0]);
1030     TCGv npc1 = tcg_const_tl(dc->jump_pc[1]);
1031     TCGv zero = tcg_const_tl(0);
1032 
1033     tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);
1034 
1035     tcg_temp_free(npc0);
1036     tcg_temp_free(npc1);
1037     tcg_temp_free(zero);
1038 }
1039 
1040 /* call this function before using the condition register as it may
1041    have been set for a jump */
1042 static inline void flush_cond(DisasContext *dc)
1043 {
1044     if (dc->npc == JUMP_PC) {
1045         gen_generic_branch(dc);
1046         dc->npc = DYNAMIC_PC;
1047     }
1048 }
1049 
1050 static inline void save_npc(DisasContext *dc)
1051 {
1052     if (dc->npc == JUMP_PC) {
1053         gen_generic_branch(dc);
1054         dc->npc = DYNAMIC_PC;
1055     } else if (dc->npc != DYNAMIC_PC) {
1056         tcg_gen_movi_tl(cpu_npc, dc->npc);
1057     }
1058 }
1059 
1060 static inline void update_psr(DisasContext *dc)
1061 {
1062     if (dc->cc_op != CC_OP_FLAGS) {
1063         dc->cc_op = CC_OP_FLAGS;
1064         gen_helper_compute_psr(cpu_env);
1065     }
1066 }
1067 
1068 static inline void save_state(DisasContext *dc)
1069 {
1070     tcg_gen_movi_tl(cpu_pc, dc->pc);
1071     save_npc(dc);
1072 }
1073 
1074 static void gen_exception(DisasContext *dc, int which)
1075 {
1076     TCGv_i32 t;
1077 
1078     save_state(dc);
1079     t = tcg_const_i32(which);
1080     gen_helper_raise_exception(cpu_env, t);
1081     tcg_temp_free_i32(t);
1082     dc->base.is_jmp = DISAS_NORETURN;
1083 }
1084 
1085 static void gen_check_align(TCGv addr, int mask)
1086 {
1087     TCGv_i32 r_mask = tcg_const_i32(mask);
1088     gen_helper_check_align(cpu_env, addr, r_mask);
1089     tcg_temp_free_i32(r_mask);
1090 }
1091 
1092 static inline void gen_mov_pc_npc(DisasContext *dc)
1093 {
1094     if (dc->npc == JUMP_PC) {
1095         gen_generic_branch(dc);
1096         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1097         dc->pc = DYNAMIC_PC;
1098     } else if (dc->npc == DYNAMIC_PC) {
1099         tcg_gen_mov_tl(cpu_pc, cpu_npc);
1100         dc->pc = DYNAMIC_PC;
1101     } else {
1102         dc->pc = dc->npc;
1103     }
1104 }
1105 
1106 static inline void gen_op_next_insn(void)
1107 {
1108     tcg_gen_mov_tl(cpu_pc, cpu_npc);
1109     tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
1110 }
1111 
1112 static void free_compare(DisasCompare *cmp)
1113 {
1114     if (!cmp->g1) {
1115         tcg_temp_free(cmp->c1);
1116     }
1117     if (!cmp->g2) {
1118         tcg_temp_free(cmp->c2);
1119     }
1120 }
1121 
1122 static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
1123                         DisasContext *dc)
1124 {
1125     static int subcc_cond[16] = {
1126         TCG_COND_NEVER,
1127         TCG_COND_EQ,
1128         TCG_COND_LE,
1129         TCG_COND_LT,
1130         TCG_COND_LEU,
1131         TCG_COND_LTU,
1132         -1, /* neg */
1133         -1, /* overflow */
1134         TCG_COND_ALWAYS,
1135         TCG_COND_NE,
1136         TCG_COND_GT,
1137         TCG_COND_GE,
1138         TCG_COND_GTU,
1139         TCG_COND_GEU,
1140         -1, /* pos */
1141         -1, /* no overflow */
1142     };
1143 
1144     static int logic_cond[16] = {
1145         TCG_COND_NEVER,
1146         TCG_COND_EQ,     /* eq:  Z */
1147         TCG_COND_LE,     /* le:  Z | (N ^ V) -> Z | N */
1148         TCG_COND_LT,     /* lt:  N ^ V -> N */
1149         TCG_COND_EQ,     /* leu: C | Z -> Z */
1150         TCG_COND_NEVER,  /* ltu: C -> 0 */
1151         TCG_COND_LT,     /* neg: N */
1152         TCG_COND_NEVER,  /* vs:  V -> 0 */
1153         TCG_COND_ALWAYS,
1154         TCG_COND_NE,     /* ne:  !Z */
1155         TCG_COND_GT,     /* gt:  !(Z | (N ^ V)) -> !(Z | N) */
1156         TCG_COND_GE,     /* ge:  !(N ^ V) -> !N */
1157         TCG_COND_NE,     /* gtu: !(C | Z) -> !Z */
1158         TCG_COND_ALWAYS, /* geu: !C -> 1 */
1159         TCG_COND_GE,     /* pos: !N */
1160         TCG_COND_ALWAYS, /* vc:  !V -> 1 */
1161     };
1162 
1163     TCGv_i32 r_src;
1164     TCGv r_dst;
1165 
1166 #ifdef TARGET_SPARC64
1167     if (xcc) {
1168         r_src = cpu_xcc;
1169     } else {
1170         r_src = cpu_psr;
1171     }
1172 #else
1173     r_src = cpu_psr;
1174 #endif
1175 
1176     switch (dc->cc_op) {
1177     case CC_OP_LOGIC:
1178         cmp->cond = logic_cond[cond];
1179     do_compare_dst_0:
1180         cmp->is_bool = false;
1181         cmp->g2 = false;
1182         cmp->c2 = tcg_const_tl(0);
1183 #ifdef TARGET_SPARC64
1184         if (!xcc) {
1185             cmp->g1 = false;
1186             cmp->c1 = tcg_temp_new();
1187             tcg_gen_ext32s_tl(cmp->c1, cpu_cc_dst);
1188             break;
1189         }
1190 #endif
1191         cmp->g1 = true;
1192         cmp->c1 = cpu_cc_dst;
1193         break;
1194 
1195     case CC_OP_SUB:
1196         switch (cond) {
1197         case 6:  /* neg */
1198         case 14: /* pos */
1199             cmp->cond = (cond == 6 ? TCG_COND_LT : TCG_COND_GE);
1200             goto do_compare_dst_0;
1201 
1202         case 7: /* overflow */
1203         case 15: /* !overflow */
1204             goto do_dynamic;
1205 
1206         default:
1207             cmp->cond = subcc_cond[cond];
1208             cmp->is_bool = false;
1209 #ifdef TARGET_SPARC64
1210             if (!xcc) {
1211                 /* Note that sign-extension works for unsigned compares as
1212                    long as both operands are sign-extended.  */
1213                 cmp->g1 = cmp->g2 = false;
1214                 cmp->c1 = tcg_temp_new();
1215                 cmp->c2 = tcg_temp_new();
1216                 tcg_gen_ext32s_tl(cmp->c1, cpu_cc_src);
1217                 tcg_gen_ext32s_tl(cmp->c2, cpu_cc_src2);
1218                 break;
1219             }
1220 #endif
1221             cmp->g1 = cmp->g2 = true;
1222             cmp->c1 = cpu_cc_src;
1223             cmp->c2 = cpu_cc_src2;
1224             break;
1225         }
1226         break;
1227 
1228     default:
1229     do_dynamic:
1230         gen_helper_compute_psr(cpu_env);
1231         dc->cc_op = CC_OP_FLAGS;
1232         /* FALLTHRU */
1233 
1234     case CC_OP_FLAGS:
1235         /* We're going to generate a boolean result.  */
1236         cmp->cond = TCG_COND_NE;
1237         cmp->is_bool = true;
1238         cmp->g1 = cmp->g2 = false;
1239         cmp->c1 = r_dst = tcg_temp_new();
1240         cmp->c2 = tcg_const_tl(0);
1241 
1242         switch (cond) {
1243         case 0x0:
1244             gen_op_eval_bn(r_dst);
1245             break;
1246         case 0x1:
1247             gen_op_eval_be(r_dst, r_src);
1248             break;
1249         case 0x2:
1250             gen_op_eval_ble(r_dst, r_src);
1251             break;
1252         case 0x3:
1253             gen_op_eval_bl(r_dst, r_src);
1254             break;
1255         case 0x4:
1256             gen_op_eval_bleu(r_dst, r_src);
1257             break;
1258         case 0x5:
1259             gen_op_eval_bcs(r_dst, r_src);
1260             break;
1261         case 0x6:
1262             gen_op_eval_bneg(r_dst, r_src);
1263             break;
1264         case 0x7:
1265             gen_op_eval_bvs(r_dst, r_src);
1266             break;
1267         case 0x8:
1268             gen_op_eval_ba(r_dst);
1269             break;
1270         case 0x9:
1271             gen_op_eval_bne(r_dst, r_src);
1272             break;
1273         case 0xa:
1274             gen_op_eval_bg(r_dst, r_src);
1275             break;
1276         case 0xb:
1277             gen_op_eval_bge(r_dst, r_src);
1278             break;
1279         case 0xc:
1280             gen_op_eval_bgu(r_dst, r_src);
1281             break;
1282         case 0xd:
1283             gen_op_eval_bcc(r_dst, r_src);
1284             break;
1285         case 0xe:
1286             gen_op_eval_bpos(r_dst, r_src);
1287             break;
1288         case 0xf:
1289             gen_op_eval_bvc(r_dst, r_src);
1290             break;
1291         }
1292         break;
1293     }
1294 }
1295 
1296 static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
1297 {
1298     unsigned int offset;
1299     TCGv r_dst;
1300 
1301     /* For now we still generate a straight boolean result.  */
1302     cmp->cond = TCG_COND_NE;
1303     cmp->is_bool = true;
1304     cmp->g1 = cmp->g2 = false;
1305     cmp->c1 = r_dst = tcg_temp_new();
1306     cmp->c2 = tcg_const_tl(0);
1307 
1308     switch (cc) {
1309     default:
1310     case 0x0:
1311         offset = 0;
1312         break;
1313     case 0x1:
1314         offset = 32 - 10;
1315         break;
1316     case 0x2:
1317         offset = 34 - 10;
1318         break;
1319     case 0x3:
1320         offset = 36 - 10;
1321         break;
1322     }
1323 
1324     switch (cond) {
1325     case 0x0:
1326         gen_op_eval_bn(r_dst);
1327         break;
1328     case 0x1:
1329         gen_op_eval_fbne(r_dst, cpu_fsr, offset);
1330         break;
1331     case 0x2:
1332         gen_op_eval_fblg(r_dst, cpu_fsr, offset);
1333         break;
1334     case 0x3:
1335         gen_op_eval_fbul(r_dst, cpu_fsr, offset);
1336         break;
1337     case 0x4:
1338         gen_op_eval_fbl(r_dst, cpu_fsr, offset);
1339         break;
1340     case 0x5:
1341         gen_op_eval_fbug(r_dst, cpu_fsr, offset);
1342         break;
1343     case 0x6:
1344         gen_op_eval_fbg(r_dst, cpu_fsr, offset);
1345         break;
1346     case 0x7:
1347         gen_op_eval_fbu(r_dst, cpu_fsr, offset);
1348         break;
1349     case 0x8:
1350         gen_op_eval_ba(r_dst);
1351         break;
1352     case 0x9:
1353         gen_op_eval_fbe(r_dst, cpu_fsr, offset);
1354         break;
1355     case 0xa:
1356         gen_op_eval_fbue(r_dst, cpu_fsr, offset);
1357         break;
1358     case 0xb:
1359         gen_op_eval_fbge(r_dst, cpu_fsr, offset);
1360         break;
1361     case 0xc:
1362         gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
1363         break;
1364     case 0xd:
1365         gen_op_eval_fble(r_dst, cpu_fsr, offset);
1366         break;
1367     case 0xe:
1368         gen_op_eval_fbule(r_dst, cpu_fsr, offset);
1369         break;
1370     case 0xf:
1371         gen_op_eval_fbo(r_dst, cpu_fsr, offset);
1372         break;
1373     }
1374 }
1375 
1376 static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
1377                      DisasContext *dc)
1378 {
1379     DisasCompare cmp;
1380     gen_compare(&cmp, cc, cond, dc);
1381 
1382     /* The interface is to return a boolean in r_dst.  */
1383     if (cmp.is_bool) {
1384         tcg_gen_mov_tl(r_dst, cmp.c1);
1385     } else {
1386         tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1387     }
1388 
1389     free_compare(&cmp);
1390 }
1391 
1392 static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
1393 {
1394     DisasCompare cmp;
1395     gen_fcompare(&cmp, cc, cond);
1396 
1397     /* The interface is to return a boolean in r_dst.  */
1398     if (cmp.is_bool) {
1399         tcg_gen_mov_tl(r_dst, cmp.c1);
1400     } else {
1401         tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1402     }
1403 
1404     free_compare(&cmp);
1405 }
1406 
1407 #ifdef TARGET_SPARC64
1408 // Inverted logic
1409 static const int gen_tcg_cond_reg[8] = {
1410     -1,
1411     TCG_COND_NE,
1412     TCG_COND_GT,
1413     TCG_COND_GE,
1414     -1,
1415     TCG_COND_EQ,
1416     TCG_COND_LE,
1417     TCG_COND_LT,
1418 };
1419 
1420 static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
1421 {
1422     cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
1423     cmp->is_bool = false;
1424     cmp->g1 = true;
1425     cmp->g2 = false;
1426     cmp->c1 = r_src;
1427     cmp->c2 = tcg_const_tl(0);
1428 }
1429 
1430 static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
1431 {
1432     DisasCompare cmp;
1433     gen_compare_reg(&cmp, cond, r_src);
1434 
1435     /* The interface is to return a boolean in r_dst.  */
1436     tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
1437 
1438     free_compare(&cmp);
1439 }
1440 #endif
1441 
1442 static void do_branch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1443 {
1444     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1445     target_ulong target = dc->pc + offset;
1446 
1447 #ifdef TARGET_SPARC64
1448     if (unlikely(AM_CHECK(dc))) {
1449         target &= 0xffffffffULL;
1450     }
1451 #endif
1452     if (cond == 0x0) {
1453         /* unconditional not taken */
1454         if (a) {
1455             dc->pc = dc->npc + 4;
1456             dc->npc = dc->pc + 4;
1457         } else {
1458             dc->pc = dc->npc;
1459             dc->npc = dc->pc + 4;
1460         }
1461     } else if (cond == 0x8) {
1462         /* unconditional taken */
1463         if (a) {
1464             dc->pc = target;
1465             dc->npc = dc->pc + 4;
1466         } else {
1467             dc->pc = dc->npc;
1468             dc->npc = target;
1469             tcg_gen_mov_tl(cpu_pc, cpu_npc);
1470         }
1471     } else {
1472         flush_cond(dc);
1473         gen_cond(cpu_cond, cc, cond, dc);
1474         if (a) {
1475             gen_branch_a(dc, target);
1476         } else {
1477             gen_branch_n(dc, target);
1478         }
1479     }
1480 }
1481 
1482 static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
1483 {
1484     unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
1485     target_ulong target = dc->pc + offset;
1486 
1487 #ifdef TARGET_SPARC64
1488     if (unlikely(AM_CHECK(dc))) {
1489         target &= 0xffffffffULL;
1490     }
1491 #endif
1492     if (cond == 0x0) {
1493         /* unconditional not taken */
1494         if (a) {
1495             dc->pc = dc->npc + 4;
1496             dc->npc = dc->pc + 4;
1497         } else {
1498             dc->pc = dc->npc;
1499             dc->npc = dc->pc + 4;
1500         }
1501     } else if (cond == 0x8) {
1502         /* unconditional taken */
1503         if (a) {
1504             dc->pc = target;
1505             dc->npc = dc->pc + 4;
1506         } else {
1507             dc->pc = dc->npc;
1508             dc->npc = target;
1509             tcg_gen_mov_tl(cpu_pc, cpu_npc);
1510         }
1511     } else {
1512         flush_cond(dc);
1513         gen_fcond(cpu_cond, cc, cond);
1514         if (a) {
1515             gen_branch_a(dc, target);
1516         } else {
1517             gen_branch_n(dc, target);
1518         }
1519     }
1520 }
1521 
1522 #ifdef TARGET_SPARC64
1523 static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
1524                           TCGv r_reg)
1525 {
1526     unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
1527     target_ulong target = dc->pc + offset;
1528 
1529     if (unlikely(AM_CHECK(dc))) {
1530         target &= 0xffffffffULL;
1531     }
1532     flush_cond(dc);
1533     gen_cond_reg(cpu_cond, cond, r_reg);
1534     if (a) {
1535         gen_branch_a(dc, target);
1536     } else {
1537         gen_branch_n(dc, target);
1538     }
1539 }
1540 
1541 static inline void gen_op_fcmps(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1542 {
1543     switch (fccno) {
1544     case 0:
1545         gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1546         break;
1547     case 1:
1548         gen_helper_fcmps_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1549         break;
1550     case 2:
1551         gen_helper_fcmps_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1552         break;
1553     case 3:
1554         gen_helper_fcmps_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1555         break;
1556     }
1557 }
1558 
1559 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1560 {
1561     switch (fccno) {
1562     case 0:
1563         gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1564         break;
1565     case 1:
1566         gen_helper_fcmpd_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1567         break;
1568     case 2:
1569         gen_helper_fcmpd_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1570         break;
1571     case 3:
1572         gen_helper_fcmpd_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1573         break;
1574     }
1575 }
1576 
1577 static inline void gen_op_fcmpq(int fccno)
1578 {
1579     switch (fccno) {
1580     case 0:
1581         gen_helper_fcmpq(cpu_fsr, cpu_env);
1582         break;
1583     case 1:
1584         gen_helper_fcmpq_fcc1(cpu_fsr, cpu_env);
1585         break;
1586     case 2:
1587         gen_helper_fcmpq_fcc2(cpu_fsr, cpu_env);
1588         break;
1589     case 3:
1590         gen_helper_fcmpq_fcc3(cpu_fsr, cpu_env);
1591         break;
1592     }
1593 }
1594 
1595 static inline void gen_op_fcmpes(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
1596 {
1597     switch (fccno) {
1598     case 0:
1599         gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1600         break;
1601     case 1:
1602         gen_helper_fcmpes_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1603         break;
1604     case 2:
1605         gen_helper_fcmpes_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1606         break;
1607     case 3:
1608         gen_helper_fcmpes_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1609         break;
1610     }
1611 }
1612 
1613 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1614 {
1615     switch (fccno) {
1616     case 0:
1617         gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1618         break;
1619     case 1:
1620         gen_helper_fcmped_fcc1(cpu_fsr, cpu_env, r_rs1, r_rs2);
1621         break;
1622     case 2:
1623         gen_helper_fcmped_fcc2(cpu_fsr, cpu_env, r_rs1, r_rs2);
1624         break;
1625     case 3:
1626         gen_helper_fcmped_fcc3(cpu_fsr, cpu_env, r_rs1, r_rs2);
1627         break;
1628     }
1629 }
1630 
1631 static inline void gen_op_fcmpeq(int fccno)
1632 {
1633     switch (fccno) {
1634     case 0:
1635         gen_helper_fcmpeq(cpu_fsr, cpu_env);
1636         break;
1637     case 1:
1638         gen_helper_fcmpeq_fcc1(cpu_fsr, cpu_env);
1639         break;
1640     case 2:
1641         gen_helper_fcmpeq_fcc2(cpu_fsr, cpu_env);
1642         break;
1643     case 3:
1644         gen_helper_fcmpeq_fcc3(cpu_fsr, cpu_env);
1645         break;
1646     }
1647 }
1648 
1649 #else
1650 
1651 static inline void gen_op_fcmps(int fccno, TCGv r_rs1, TCGv r_rs2)
1652 {
1653     gen_helper_fcmps(cpu_fsr, cpu_env, r_rs1, r_rs2);
1654 }
1655 
1656 static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1657 {
1658     gen_helper_fcmpd(cpu_fsr, cpu_env, r_rs1, r_rs2);
1659 }
1660 
1661 static inline void gen_op_fcmpq(int fccno)
1662 {
1663     gen_helper_fcmpq(cpu_fsr, cpu_env);
1664 }
1665 
1666 static inline void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
1667 {
1668     gen_helper_fcmpes(cpu_fsr, cpu_env, r_rs1, r_rs2);
1669 }
1670 
1671 static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
1672 {
1673     gen_helper_fcmped(cpu_fsr, cpu_env, r_rs1, r_rs2);
1674 }
1675 
1676 static inline void gen_op_fcmpeq(int fccno)
1677 {
1678     gen_helper_fcmpeq(cpu_fsr, cpu_env);
1679 }
1680 #endif
1681 
1682 static void gen_op_fpexception_im(DisasContext *dc, int fsr_flags)
1683 {
1684     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
1685     tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
1686     gen_exception(dc, TT_FP_EXCP);
1687 }
1688 
1689 static int gen_trap_ifnofpu(DisasContext *dc)
1690 {
1691 #if !defined(CONFIG_USER_ONLY)
1692     if (!dc->fpu_enabled) {
1693         gen_exception(dc, TT_NFPU_INSN);
1694         return 1;
1695     }
1696 #endif
1697     return 0;
1698 }
1699 
1700 static inline void gen_op_clear_ieee_excp_and_FTT(void)
1701 {
1702     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_CEXC_NMASK);
1703 }
1704 
1705 static inline void gen_fop_FF(DisasContext *dc, int rd, int rs,
1706                               void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
1707 {
1708     TCGv_i32 dst, src;
1709 
1710     src = gen_load_fpr_F(dc, rs);
1711     dst = gen_dest_fpr_F(dc);
1712 
1713     gen(dst, cpu_env, src);
1714     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1715 
1716     gen_store_fpr_F(dc, rd, dst);
1717 }
1718 
1719 static inline void gen_ne_fop_FF(DisasContext *dc, int rd, int rs,
1720                                  void (*gen)(TCGv_i32, TCGv_i32))
1721 {
1722     TCGv_i32 dst, src;
1723 
1724     src = gen_load_fpr_F(dc, rs);
1725     dst = gen_dest_fpr_F(dc);
1726 
1727     gen(dst, src);
1728 
1729     gen_store_fpr_F(dc, rd, dst);
1730 }
1731 
1732 static inline void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1733                         void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
1734 {
1735     TCGv_i32 dst, src1, src2;
1736 
1737     src1 = gen_load_fpr_F(dc, rs1);
1738     src2 = gen_load_fpr_F(dc, rs2);
1739     dst = gen_dest_fpr_F(dc);
1740 
1741     gen(dst, cpu_env, src1, src2);
1742     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1743 
1744     gen_store_fpr_F(dc, rd, dst);
1745 }
1746 
1747 #ifdef TARGET_SPARC64
1748 static inline void gen_ne_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
1749                                   void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
1750 {
1751     TCGv_i32 dst, src1, src2;
1752 
1753     src1 = gen_load_fpr_F(dc, rs1);
1754     src2 = gen_load_fpr_F(dc, rs2);
1755     dst = gen_dest_fpr_F(dc);
1756 
1757     gen(dst, src1, src2);
1758 
1759     gen_store_fpr_F(dc, rd, dst);
1760 }
1761 #endif
1762 
1763 static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
1764                               void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64))
1765 {
1766     TCGv_i64 dst, src;
1767 
1768     src = gen_load_fpr_D(dc, rs);
1769     dst = gen_dest_fpr_D(dc, rd);
1770 
1771     gen(dst, cpu_env, src);
1772     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1773 
1774     gen_store_fpr_D(dc, rd, dst);
1775 }
1776 
1777 #ifdef TARGET_SPARC64
1778 static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
1779                                  void (*gen)(TCGv_i64, TCGv_i64))
1780 {
1781     TCGv_i64 dst, src;
1782 
1783     src = gen_load_fpr_D(dc, rs);
1784     dst = gen_dest_fpr_D(dc, rd);
1785 
1786     gen(dst, src);
1787 
1788     gen_store_fpr_D(dc, rd, dst);
1789 }
1790 #endif
1791 
1792 static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1793                         void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64))
1794 {
1795     TCGv_i64 dst, src1, src2;
1796 
1797     src1 = gen_load_fpr_D(dc, rs1);
1798     src2 = gen_load_fpr_D(dc, rs2);
1799     dst = gen_dest_fpr_D(dc, rd);
1800 
1801     gen(dst, cpu_env, src1, src2);
1802     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1803 
1804     gen_store_fpr_D(dc, rd, dst);
1805 }
1806 
1807 #ifdef TARGET_SPARC64
1808 static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1809                                   void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
1810 {
1811     TCGv_i64 dst, src1, src2;
1812 
1813     src1 = gen_load_fpr_D(dc, rs1);
1814     src2 = gen_load_fpr_D(dc, rs2);
1815     dst = gen_dest_fpr_D(dc, rd);
1816 
1817     gen(dst, src1, src2);
1818 
1819     gen_store_fpr_D(dc, rd, dst);
1820 }
1821 
1822 static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
1823                            void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1824 {
1825     TCGv_i64 dst, src1, src2;
1826 
1827     src1 = gen_load_fpr_D(dc, rs1);
1828     src2 = gen_load_fpr_D(dc, rs2);
1829     dst = gen_dest_fpr_D(dc, rd);
1830 
1831     gen(dst, cpu_gsr, src1, src2);
1832 
1833     gen_store_fpr_D(dc, rd, dst);
1834 }
1835 
1836 static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
1837                            void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
1838 {
1839     TCGv_i64 dst, src0, src1, src2;
1840 
1841     src1 = gen_load_fpr_D(dc, rs1);
1842     src2 = gen_load_fpr_D(dc, rs2);
1843     src0 = gen_load_fpr_D(dc, rd);
1844     dst = gen_dest_fpr_D(dc, rd);
1845 
1846     gen(dst, src0, src1, src2);
1847 
1848     gen_store_fpr_D(dc, rd, dst);
1849 }
1850 #endif
1851 
1852 static inline void gen_fop_QQ(DisasContext *dc, int rd, int rs,
1853                               void (*gen)(TCGv_ptr))
1854 {
1855     gen_op_load_fpr_QT1(QFPREG(rs));
1856 
1857     gen(cpu_env);
1858     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1859 
1860     gen_op_store_QT0_fpr(QFPREG(rd));
1861     gen_update_fprs_dirty(dc, QFPREG(rd));
1862 }
1863 
1864 #ifdef TARGET_SPARC64
1865 static inline void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
1866                                  void (*gen)(TCGv_ptr))
1867 {
1868     gen_op_load_fpr_QT1(QFPREG(rs));
1869 
1870     gen(cpu_env);
1871 
1872     gen_op_store_QT0_fpr(QFPREG(rd));
1873     gen_update_fprs_dirty(dc, QFPREG(rd));
1874 }
1875 #endif
1876 
1877 static inline void gen_fop_QQQ(DisasContext *dc, int rd, int rs1, int rs2,
1878                                void (*gen)(TCGv_ptr))
1879 {
1880     gen_op_load_fpr_QT0(QFPREG(rs1));
1881     gen_op_load_fpr_QT1(QFPREG(rs2));
1882 
1883     gen(cpu_env);
1884     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1885 
1886     gen_op_store_QT0_fpr(QFPREG(rd));
1887     gen_update_fprs_dirty(dc, QFPREG(rd));
1888 }
1889 
1890 static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
1891                         void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32))
1892 {
1893     TCGv_i64 dst;
1894     TCGv_i32 src1, src2;
1895 
1896     src1 = gen_load_fpr_F(dc, rs1);
1897     src2 = gen_load_fpr_F(dc, rs2);
1898     dst = gen_dest_fpr_D(dc, rd);
1899 
1900     gen(dst, cpu_env, src1, src2);
1901     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1902 
1903     gen_store_fpr_D(dc, rd, dst);
1904 }
1905 
1906 static inline void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2,
1907                                void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64))
1908 {
1909     TCGv_i64 src1, src2;
1910 
1911     src1 = gen_load_fpr_D(dc, rs1);
1912     src2 = gen_load_fpr_D(dc, rs2);
1913 
1914     gen(cpu_env, src1, src2);
1915     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1916 
1917     gen_op_store_QT0_fpr(QFPREG(rd));
1918     gen_update_fprs_dirty(dc, QFPREG(rd));
1919 }
1920 
1921 #ifdef TARGET_SPARC64
1922 static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
1923                               void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1924 {
1925     TCGv_i64 dst;
1926     TCGv_i32 src;
1927 
1928     src = gen_load_fpr_F(dc, rs);
1929     dst = gen_dest_fpr_D(dc, rd);
1930 
1931     gen(dst, cpu_env, src);
1932     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1933 
1934     gen_store_fpr_D(dc, rd, dst);
1935 }
1936 #endif
1937 
1938 static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
1939                                  void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
1940 {
1941     TCGv_i64 dst;
1942     TCGv_i32 src;
1943 
1944     src = gen_load_fpr_F(dc, rs);
1945     dst = gen_dest_fpr_D(dc, rd);
1946 
1947     gen(dst, cpu_env, src);
1948 
1949     gen_store_fpr_D(dc, rd, dst);
1950 }
1951 
1952 static inline void gen_fop_FD(DisasContext *dc, int rd, int rs,
1953                               void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i64))
1954 {
1955     TCGv_i32 dst;
1956     TCGv_i64 src;
1957 
1958     src = gen_load_fpr_D(dc, rs);
1959     dst = gen_dest_fpr_F(dc);
1960 
1961     gen(dst, cpu_env, src);
1962     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1963 
1964     gen_store_fpr_F(dc, rd, dst);
1965 }
1966 
1967 static inline void gen_fop_FQ(DisasContext *dc, int rd, int rs,
1968                               void (*gen)(TCGv_i32, TCGv_ptr))
1969 {
1970     TCGv_i32 dst;
1971 
1972     gen_op_load_fpr_QT1(QFPREG(rs));
1973     dst = gen_dest_fpr_F(dc);
1974 
1975     gen(dst, cpu_env);
1976     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1977 
1978     gen_store_fpr_F(dc, rd, dst);
1979 }
1980 
1981 static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
1982                               void (*gen)(TCGv_i64, TCGv_ptr))
1983 {
1984     TCGv_i64 dst;
1985 
1986     gen_op_load_fpr_QT1(QFPREG(rs));
1987     dst = gen_dest_fpr_D(dc, rd);
1988 
1989     gen(dst, cpu_env);
1990     gen_helper_check_ieee_exceptions(cpu_fsr, cpu_env);
1991 
1992     gen_store_fpr_D(dc, rd, dst);
1993 }
1994 
1995 static inline void gen_ne_fop_QF(DisasContext *dc, int rd, int rs,
1996                                  void (*gen)(TCGv_ptr, TCGv_i32))
1997 {
1998     TCGv_i32 src;
1999 
2000     src = gen_load_fpr_F(dc, rs);
2001 
2002     gen(cpu_env, src);
2003 
2004     gen_op_store_QT0_fpr(QFPREG(rd));
2005     gen_update_fprs_dirty(dc, QFPREG(rd));
2006 }
2007 
2008 static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
2009                                  void (*gen)(TCGv_ptr, TCGv_i64))
2010 {
2011     TCGv_i64 src;
2012 
2013     src = gen_load_fpr_D(dc, rs);
2014 
2015     gen(cpu_env, src);
2016 
2017     gen_op_store_QT0_fpr(QFPREG(rd));
2018     gen_update_fprs_dirty(dc, QFPREG(rd));
2019 }
2020 
2021 static void gen_swap(DisasContext *dc, TCGv dst, TCGv src,
2022                      TCGv addr, int mmu_idx, MemOp memop)
2023 {
2024     gen_address_mask(dc, addr);
2025     tcg_gen_atomic_xchg_tl(dst, addr, src, mmu_idx, memop);
2026 }
2027 
2028 static void gen_ldstub(DisasContext *dc, TCGv dst, TCGv addr, int mmu_idx)
2029 {
2030     TCGv m1 = tcg_const_tl(0xff);
2031     gen_address_mask(dc, addr);
2032     tcg_gen_atomic_xchg_tl(dst, addr, m1, mmu_idx, MO_UB);
2033     tcg_temp_free(m1);
2034 }
2035 
2036 /* asi moves */
2037 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
2038 typedef enum {
2039     GET_ASI_HELPER,
2040     GET_ASI_EXCP,
2041     GET_ASI_DIRECT,
2042     GET_ASI_DTWINX,
2043     GET_ASI_BLOCK,
2044     GET_ASI_SHORT,
2045     GET_ASI_BCOPY,
2046     GET_ASI_BFILL,
2047 } ASIType;
2048 
2049 typedef struct {
2050     ASIType type;
2051     int asi;
2052     int mem_idx;
2053     MemOp memop;
2054 } DisasASI;
2055 
2056 static DisasASI get_asi(DisasContext *dc, int insn, MemOp memop)
2057 {
2058     int asi = GET_FIELD(insn, 19, 26);
2059     ASIType type = GET_ASI_HELPER;
2060     int mem_idx = dc->mem_idx;
2061 
2062 #ifndef TARGET_SPARC64
2063     /* Before v9, all asis are immediate and privileged.  */
2064     if (IS_IMM) {
2065         gen_exception(dc, TT_ILL_INSN);
2066         type = GET_ASI_EXCP;
2067     } else if (supervisor(dc)
2068                /* Note that LEON accepts ASI_USERDATA in user mode, for
2069                   use with CASA.  Also note that previous versions of
2070                   QEMU allowed (and old versions of gcc emitted) ASI_P
2071                   for LEON, which is incorrect.  */
2072                || (asi == ASI_USERDATA
2073                    && (dc->def->features & CPU_FEATURE_CASA))) {
2074         switch (asi) {
2075         case ASI_USERDATA:   /* User data access */
2076             mem_idx = MMU_USER_IDX;
2077             type = GET_ASI_DIRECT;
2078             break;
2079         case ASI_KERNELDATA: /* Supervisor data access */
2080             mem_idx = MMU_KERNEL_IDX;
2081             type = GET_ASI_DIRECT;
2082             break;
2083         case ASI_M_BYPASS:    /* MMU passthrough */
2084         case ASI_LEON_BYPASS: /* LEON MMU passthrough */
2085             mem_idx = MMU_PHYS_IDX;
2086             type = GET_ASI_DIRECT;
2087             break;
2088         case ASI_M_BCOPY: /* Block copy, sta access */
2089             mem_idx = MMU_KERNEL_IDX;
2090             type = GET_ASI_BCOPY;
2091             break;
2092         case ASI_M_BFILL: /* Block fill, stda access */
2093             mem_idx = MMU_KERNEL_IDX;
2094             type = GET_ASI_BFILL;
2095             break;
2096         }
2097 
2098         /* MMU_PHYS_IDX is used when the MMU is disabled to passthrough the
2099          * permissions check in get_physical_address(..).
2100          */
2101         mem_idx = (dc->mem_idx == MMU_PHYS_IDX) ? MMU_PHYS_IDX : mem_idx;
2102     } else {
2103         gen_exception(dc, TT_PRIV_INSN);
2104         type = GET_ASI_EXCP;
2105     }
2106 #else
2107     if (IS_IMM) {
2108         asi = dc->asi;
2109     }
2110     /* With v9, all asis below 0x80 are privileged.  */
2111     /* ??? We ought to check cpu_has_hypervisor, but we didn't copy
2112        down that bit into DisasContext.  For the moment that's ok,
2113        since the direct implementations below doesn't have any ASIs
2114        in the restricted [0x30, 0x7f] range, and the check will be
2115        done properly in the helper.  */
2116     if (!supervisor(dc) && asi < 0x80) {
2117         gen_exception(dc, TT_PRIV_ACT);
2118         type = GET_ASI_EXCP;
2119     } else {
2120         switch (asi) {
2121         case ASI_REAL:      /* Bypass */
2122         case ASI_REAL_IO:   /* Bypass, non-cacheable */
2123         case ASI_REAL_L:    /* Bypass LE */
2124         case ASI_REAL_IO_L: /* Bypass, non-cacheable LE */
2125         case ASI_TWINX_REAL:   /* Real address, twinx */
2126         case ASI_TWINX_REAL_L: /* Real address, twinx, LE */
2127         case ASI_QUAD_LDD_PHYS:
2128         case ASI_QUAD_LDD_PHYS_L:
2129             mem_idx = MMU_PHYS_IDX;
2130             break;
2131         case ASI_N:  /* Nucleus */
2132         case ASI_NL: /* Nucleus LE */
2133         case ASI_TWINX_N:
2134         case ASI_TWINX_NL:
2135         case ASI_NUCLEUS_QUAD_LDD:
2136         case ASI_NUCLEUS_QUAD_LDD_L:
2137             if (hypervisor(dc)) {
2138                 mem_idx = MMU_PHYS_IDX;
2139             } else {
2140                 mem_idx = MMU_NUCLEUS_IDX;
2141             }
2142             break;
2143         case ASI_AIUP:  /* As if user primary */
2144         case ASI_AIUPL: /* As if user primary LE */
2145         case ASI_TWINX_AIUP:
2146         case ASI_TWINX_AIUP_L:
2147         case ASI_BLK_AIUP_4V:
2148         case ASI_BLK_AIUP_L_4V:
2149         case ASI_BLK_AIUP:
2150         case ASI_BLK_AIUPL:
2151             mem_idx = MMU_USER_IDX;
2152             break;
2153         case ASI_AIUS:  /* As if user secondary */
2154         case ASI_AIUSL: /* As if user secondary LE */
2155         case ASI_TWINX_AIUS:
2156         case ASI_TWINX_AIUS_L:
2157         case ASI_BLK_AIUS_4V:
2158         case ASI_BLK_AIUS_L_4V:
2159         case ASI_BLK_AIUS:
2160         case ASI_BLK_AIUSL:
2161             mem_idx = MMU_USER_SECONDARY_IDX;
2162             break;
2163         case ASI_S:  /* Secondary */
2164         case ASI_SL: /* Secondary LE */
2165         case ASI_TWINX_S:
2166         case ASI_TWINX_SL:
2167         case ASI_BLK_COMMIT_S:
2168         case ASI_BLK_S:
2169         case ASI_BLK_SL:
2170         case ASI_FL8_S:
2171         case ASI_FL8_SL:
2172         case ASI_FL16_S:
2173         case ASI_FL16_SL:
2174             if (mem_idx == MMU_USER_IDX) {
2175                 mem_idx = MMU_USER_SECONDARY_IDX;
2176             } else if (mem_idx == MMU_KERNEL_IDX) {
2177                 mem_idx = MMU_KERNEL_SECONDARY_IDX;
2178             }
2179             break;
2180         case ASI_P:  /* Primary */
2181         case ASI_PL: /* Primary LE */
2182         case ASI_TWINX_P:
2183         case ASI_TWINX_PL:
2184         case ASI_BLK_COMMIT_P:
2185         case ASI_BLK_P:
2186         case ASI_BLK_PL:
2187         case ASI_FL8_P:
2188         case ASI_FL8_PL:
2189         case ASI_FL16_P:
2190         case ASI_FL16_PL:
2191             break;
2192         }
2193         switch (asi) {
2194         case ASI_REAL:
2195         case ASI_REAL_IO:
2196         case ASI_REAL_L:
2197         case ASI_REAL_IO_L:
2198         case ASI_N:
2199         case ASI_NL:
2200         case ASI_AIUP:
2201         case ASI_AIUPL:
2202         case ASI_AIUS:
2203         case ASI_AIUSL:
2204         case ASI_S:
2205         case ASI_SL:
2206         case ASI_P:
2207         case ASI_PL:
2208             type = GET_ASI_DIRECT;
2209             break;
2210         case ASI_TWINX_REAL:
2211         case ASI_TWINX_REAL_L:
2212         case ASI_TWINX_N:
2213         case ASI_TWINX_NL:
2214         case ASI_TWINX_AIUP:
2215         case ASI_TWINX_AIUP_L:
2216         case ASI_TWINX_AIUS:
2217         case ASI_TWINX_AIUS_L:
2218         case ASI_TWINX_P:
2219         case ASI_TWINX_PL:
2220         case ASI_TWINX_S:
2221         case ASI_TWINX_SL:
2222         case ASI_QUAD_LDD_PHYS:
2223         case ASI_QUAD_LDD_PHYS_L:
2224         case ASI_NUCLEUS_QUAD_LDD:
2225         case ASI_NUCLEUS_QUAD_LDD_L:
2226             type = GET_ASI_DTWINX;
2227             break;
2228         case ASI_BLK_COMMIT_P:
2229         case ASI_BLK_COMMIT_S:
2230         case ASI_BLK_AIUP_4V:
2231         case ASI_BLK_AIUP_L_4V:
2232         case ASI_BLK_AIUP:
2233         case ASI_BLK_AIUPL:
2234         case ASI_BLK_AIUS_4V:
2235         case ASI_BLK_AIUS_L_4V:
2236         case ASI_BLK_AIUS:
2237         case ASI_BLK_AIUSL:
2238         case ASI_BLK_S:
2239         case ASI_BLK_SL:
2240         case ASI_BLK_P:
2241         case ASI_BLK_PL:
2242             type = GET_ASI_BLOCK;
2243             break;
2244         case ASI_FL8_S:
2245         case ASI_FL8_SL:
2246         case ASI_FL8_P:
2247         case ASI_FL8_PL:
2248             memop = MO_UB;
2249             type = GET_ASI_SHORT;
2250             break;
2251         case ASI_FL16_S:
2252         case ASI_FL16_SL:
2253         case ASI_FL16_P:
2254         case ASI_FL16_PL:
2255             memop = MO_TEUW;
2256             type = GET_ASI_SHORT;
2257             break;
2258         }
2259         /* The little-endian asis all have bit 3 set.  */
2260         if (asi & 8) {
2261             memop ^= MO_BSWAP;
2262         }
2263     }
2264 #endif
2265 
2266     return (DisasASI){ type, asi, mem_idx, memop };
2267 }
2268 
2269 static void gen_ld_asi(DisasContext *dc, TCGv dst, TCGv addr,
2270                        int insn, MemOp memop)
2271 {
2272     DisasASI da = get_asi(dc, insn, memop);
2273 
2274     switch (da.type) {
2275     case GET_ASI_EXCP:
2276         break;
2277     case GET_ASI_DTWINX: /* Reserved for ldda.  */
2278         gen_exception(dc, TT_ILL_INSN);
2279         break;
2280     case GET_ASI_DIRECT:
2281         gen_address_mask(dc, addr);
2282         tcg_gen_qemu_ld_tl(dst, addr, da.mem_idx, da.memop);
2283         break;
2284     default:
2285         {
2286             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2287             TCGv_i32 r_mop = tcg_const_i32(memop);
2288 
2289             save_state(dc);
2290 #ifdef TARGET_SPARC64
2291             gen_helper_ld_asi(dst, cpu_env, addr, r_asi, r_mop);
2292 #else
2293             {
2294                 TCGv_i64 t64 = tcg_temp_new_i64();
2295                 gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2296                 tcg_gen_trunc_i64_tl(dst, t64);
2297                 tcg_temp_free_i64(t64);
2298             }
2299 #endif
2300             tcg_temp_free_i32(r_mop);
2301             tcg_temp_free_i32(r_asi);
2302         }
2303         break;
2304     }
2305 }
2306 
2307 static void gen_st_asi(DisasContext *dc, TCGv src, TCGv addr,
2308                        int insn, MemOp memop)
2309 {
2310     DisasASI da = get_asi(dc, insn, memop);
2311 
2312     switch (da.type) {
2313     case GET_ASI_EXCP:
2314         break;
2315     case GET_ASI_DTWINX: /* Reserved for stda.  */
2316 #ifndef TARGET_SPARC64
2317         gen_exception(dc, TT_ILL_INSN);
2318         break;
2319 #else
2320         if (!(dc->def->features & CPU_FEATURE_HYPV)) {
2321             /* Pre OpenSPARC CPUs don't have these */
2322             gen_exception(dc, TT_ILL_INSN);
2323             return;
2324         }
2325         /* in OpenSPARC T1+ CPUs TWINX ASIs in store instructions
2326          * are ST_BLKINIT_ ASIs */
2327 #endif
2328         /* fall through */
2329     case GET_ASI_DIRECT:
2330         gen_address_mask(dc, addr);
2331         tcg_gen_qemu_st_tl(src, addr, da.mem_idx, da.memop);
2332         break;
2333 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
2334     case GET_ASI_BCOPY:
2335         /* Copy 32 bytes from the address in SRC to ADDR.  */
2336         /* ??? The original qemu code suggests 4-byte alignment, dropping
2337            the low bits, but the only place I can see this used is in the
2338            Linux kernel with 32 byte alignment, which would make more sense
2339            as a cacheline-style operation.  */
2340         {
2341             TCGv saddr = tcg_temp_new();
2342             TCGv daddr = tcg_temp_new();
2343             TCGv four = tcg_const_tl(4);
2344             TCGv_i32 tmp = tcg_temp_new_i32();
2345             int i;
2346 
2347             tcg_gen_andi_tl(saddr, src, -4);
2348             tcg_gen_andi_tl(daddr, addr, -4);
2349             for (i = 0; i < 32; i += 4) {
2350                 /* Since the loads and stores are paired, allow the
2351                    copy to happen in the host endianness.  */
2352                 tcg_gen_qemu_ld_i32(tmp, saddr, da.mem_idx, MO_UL);
2353                 tcg_gen_qemu_st_i32(tmp, daddr, da.mem_idx, MO_UL);
2354                 tcg_gen_add_tl(saddr, saddr, four);
2355                 tcg_gen_add_tl(daddr, daddr, four);
2356             }
2357 
2358             tcg_temp_free(saddr);
2359             tcg_temp_free(daddr);
2360             tcg_temp_free(four);
2361             tcg_temp_free_i32(tmp);
2362         }
2363         break;
2364 #endif
2365     default:
2366         {
2367             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2368             TCGv_i32 r_mop = tcg_const_i32(memop & MO_SIZE);
2369 
2370             save_state(dc);
2371 #ifdef TARGET_SPARC64
2372             gen_helper_st_asi(cpu_env, addr, src, r_asi, r_mop);
2373 #else
2374             {
2375                 TCGv_i64 t64 = tcg_temp_new_i64();
2376                 tcg_gen_extu_tl_i64(t64, src);
2377                 gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2378                 tcg_temp_free_i64(t64);
2379             }
2380 #endif
2381             tcg_temp_free_i32(r_mop);
2382             tcg_temp_free_i32(r_asi);
2383 
2384             /* A write to a TLB register may alter page maps.  End the TB. */
2385             dc->npc = DYNAMIC_PC;
2386         }
2387         break;
2388     }
2389 }
2390 
2391 static void gen_swap_asi(DisasContext *dc, TCGv dst, TCGv src,
2392                          TCGv addr, int insn)
2393 {
2394     DisasASI da = get_asi(dc, insn, MO_TEUL);
2395 
2396     switch (da.type) {
2397     case GET_ASI_EXCP:
2398         break;
2399     case GET_ASI_DIRECT:
2400         gen_swap(dc, dst, src, addr, da.mem_idx, da.memop);
2401         break;
2402     default:
2403         /* ??? Should be DAE_invalid_asi.  */
2404         gen_exception(dc, TT_DATA_ACCESS);
2405         break;
2406     }
2407 }
2408 
2409 static void gen_cas_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2410                         int insn, int rd)
2411 {
2412     DisasASI da = get_asi(dc, insn, MO_TEUL);
2413     TCGv oldv;
2414 
2415     switch (da.type) {
2416     case GET_ASI_EXCP:
2417         return;
2418     case GET_ASI_DIRECT:
2419         oldv = tcg_temp_new();
2420         tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2421                                   da.mem_idx, da.memop);
2422         gen_store_gpr(dc, rd, oldv);
2423         tcg_temp_free(oldv);
2424         break;
2425     default:
2426         /* ??? Should be DAE_invalid_asi.  */
2427         gen_exception(dc, TT_DATA_ACCESS);
2428         break;
2429     }
2430 }
2431 
2432 static void gen_ldstub_asi(DisasContext *dc, TCGv dst, TCGv addr, int insn)
2433 {
2434     DisasASI da = get_asi(dc, insn, MO_UB);
2435 
2436     switch (da.type) {
2437     case GET_ASI_EXCP:
2438         break;
2439     case GET_ASI_DIRECT:
2440         gen_ldstub(dc, dst, addr, da.mem_idx);
2441         break;
2442     default:
2443         /* ??? In theory, this should be raise DAE_invalid_asi.
2444            But the SS-20 roms do ldstuba [%l0] #ASI_M_CTL, %o1.  */
2445         if (tb_cflags(dc->base.tb) & CF_PARALLEL) {
2446             gen_helper_exit_atomic(cpu_env);
2447         } else {
2448             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2449             TCGv_i32 r_mop = tcg_const_i32(MO_UB);
2450             TCGv_i64 s64, t64;
2451 
2452             save_state(dc);
2453             t64 = tcg_temp_new_i64();
2454             gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2455 
2456             s64 = tcg_const_i64(0xff);
2457             gen_helper_st_asi(cpu_env, addr, s64, r_asi, r_mop);
2458             tcg_temp_free_i64(s64);
2459             tcg_temp_free_i32(r_mop);
2460             tcg_temp_free_i32(r_asi);
2461 
2462             tcg_gen_trunc_i64_tl(dst, t64);
2463             tcg_temp_free_i64(t64);
2464 
2465             /* End the TB.  */
2466             dc->npc = DYNAMIC_PC;
2467         }
2468         break;
2469     }
2470 }
2471 #endif
2472 
2473 #ifdef TARGET_SPARC64
2474 static void gen_ldf_asi(DisasContext *dc, TCGv addr,
2475                         int insn, int size, int rd)
2476 {
2477     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
2478     TCGv_i32 d32;
2479     TCGv_i64 d64;
2480 
2481     switch (da.type) {
2482     case GET_ASI_EXCP:
2483         break;
2484 
2485     case GET_ASI_DIRECT:
2486         gen_address_mask(dc, addr);
2487         switch (size) {
2488         case 4:
2489             d32 = gen_dest_fpr_F(dc);
2490             tcg_gen_qemu_ld_i32(d32, addr, da.mem_idx, da.memop);
2491             gen_store_fpr_F(dc, rd, d32);
2492             break;
2493         case 8:
2494             tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2495                                 da.memop | MO_ALIGN_4);
2496             break;
2497         case 16:
2498             d64 = tcg_temp_new_i64();
2499             tcg_gen_qemu_ld_i64(d64, addr, da.mem_idx, da.memop | MO_ALIGN_4);
2500             tcg_gen_addi_tl(addr, addr, 8);
2501             tcg_gen_qemu_ld_i64(cpu_fpr[rd/2+1], addr, da.mem_idx,
2502                                 da.memop | MO_ALIGN_4);
2503             tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2504             tcg_temp_free_i64(d64);
2505             break;
2506         default:
2507             g_assert_not_reached();
2508         }
2509         break;
2510 
2511     case GET_ASI_BLOCK:
2512         /* Valid for lddfa on aligned registers only.  */
2513         if (size == 8 && (rd & 7) == 0) {
2514             MemOp memop;
2515             TCGv eight;
2516             int i;
2517 
2518             gen_address_mask(dc, addr);
2519 
2520             /* The first operation checks required alignment.  */
2521             memop = da.memop | MO_ALIGN_64;
2522             eight = tcg_const_tl(8);
2523             for (i = 0; ; ++i) {
2524                 tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2 + i], addr,
2525                                     da.mem_idx, memop);
2526                 if (i == 7) {
2527                     break;
2528                 }
2529                 tcg_gen_add_tl(addr, addr, eight);
2530                 memop = da.memop;
2531             }
2532             tcg_temp_free(eight);
2533         } else {
2534             gen_exception(dc, TT_ILL_INSN);
2535         }
2536         break;
2537 
2538     case GET_ASI_SHORT:
2539         /* Valid for lddfa only.  */
2540         if (size == 8) {
2541             gen_address_mask(dc, addr);
2542             tcg_gen_qemu_ld_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2543         } else {
2544             gen_exception(dc, TT_ILL_INSN);
2545         }
2546         break;
2547 
2548     default:
2549         {
2550             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2551             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2552 
2553             save_state(dc);
2554             /* According to the table in the UA2011 manual, the only
2555                other asis that are valid for ldfa/lddfa/ldqfa are
2556                the NO_FAULT asis.  We still need a helper for these,
2557                but we can just use the integer asi helper for them.  */
2558             switch (size) {
2559             case 4:
2560                 d64 = tcg_temp_new_i64();
2561                 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2562                 d32 = gen_dest_fpr_F(dc);
2563                 tcg_gen_extrl_i64_i32(d32, d64);
2564                 tcg_temp_free_i64(d64);
2565                 gen_store_fpr_F(dc, rd, d32);
2566                 break;
2567             case 8:
2568                 gen_helper_ld_asi(cpu_fpr[rd / 2], cpu_env, addr, r_asi, r_mop);
2569                 break;
2570             case 16:
2571                 d64 = tcg_temp_new_i64();
2572                 gen_helper_ld_asi(d64, cpu_env, addr, r_asi, r_mop);
2573                 tcg_gen_addi_tl(addr, addr, 8);
2574                 gen_helper_ld_asi(cpu_fpr[rd/2+1], cpu_env, addr, r_asi, r_mop);
2575                 tcg_gen_mov_i64(cpu_fpr[rd / 2], d64);
2576                 tcg_temp_free_i64(d64);
2577                 break;
2578             default:
2579                 g_assert_not_reached();
2580             }
2581             tcg_temp_free_i32(r_mop);
2582             tcg_temp_free_i32(r_asi);
2583         }
2584         break;
2585     }
2586 }
2587 
2588 static void gen_stf_asi(DisasContext *dc, TCGv addr,
2589                         int insn, int size, int rd)
2590 {
2591     DisasASI da = get_asi(dc, insn, (size == 4 ? MO_TEUL : MO_TEQ));
2592     TCGv_i32 d32;
2593 
2594     switch (da.type) {
2595     case GET_ASI_EXCP:
2596         break;
2597 
2598     case GET_ASI_DIRECT:
2599         gen_address_mask(dc, addr);
2600         switch (size) {
2601         case 4:
2602             d32 = gen_load_fpr_F(dc, rd);
2603             tcg_gen_qemu_st_i32(d32, addr, da.mem_idx, da.memop);
2604             break;
2605         case 8:
2606             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2607                                 da.memop | MO_ALIGN_4);
2608             break;
2609         case 16:
2610             /* Only 4-byte alignment required.  However, it is legal for the
2611                cpu to signal the alignment fault, and the OS trap handler is
2612                required to fix it up.  Requiring 16-byte alignment here avoids
2613                having to probe the second page before performing the first
2614                write.  */
2615             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx,
2616                                 da.memop | MO_ALIGN_16);
2617             tcg_gen_addi_tl(addr, addr, 8);
2618             tcg_gen_qemu_st_i64(cpu_fpr[rd/2+1], addr, da.mem_idx, da.memop);
2619             break;
2620         default:
2621             g_assert_not_reached();
2622         }
2623         break;
2624 
2625     case GET_ASI_BLOCK:
2626         /* Valid for stdfa on aligned registers only.  */
2627         if (size == 8 && (rd & 7) == 0) {
2628             MemOp memop;
2629             TCGv eight;
2630             int i;
2631 
2632             gen_address_mask(dc, addr);
2633 
2634             /* The first operation checks required alignment.  */
2635             memop = da.memop | MO_ALIGN_64;
2636             eight = tcg_const_tl(8);
2637             for (i = 0; ; ++i) {
2638                 tcg_gen_qemu_st_i64(cpu_fpr[rd / 2 + i], addr,
2639                                     da.mem_idx, memop);
2640                 if (i == 7) {
2641                     break;
2642                 }
2643                 tcg_gen_add_tl(addr, addr, eight);
2644                 memop = da.memop;
2645             }
2646             tcg_temp_free(eight);
2647         } else {
2648             gen_exception(dc, TT_ILL_INSN);
2649         }
2650         break;
2651 
2652     case GET_ASI_SHORT:
2653         /* Valid for stdfa only.  */
2654         if (size == 8) {
2655             gen_address_mask(dc, addr);
2656             tcg_gen_qemu_st_i64(cpu_fpr[rd / 2], addr, da.mem_idx, da.memop);
2657         } else {
2658             gen_exception(dc, TT_ILL_INSN);
2659         }
2660         break;
2661 
2662     default:
2663         /* According to the table in the UA2011 manual, the only
2664            other asis that are valid for ldfa/lddfa/ldqfa are
2665            the PST* asis, which aren't currently handled.  */
2666         gen_exception(dc, TT_ILL_INSN);
2667         break;
2668     }
2669 }
2670 
2671 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2672 {
2673     DisasASI da = get_asi(dc, insn, MO_TEQ);
2674     TCGv_i64 hi = gen_dest_gpr(dc, rd);
2675     TCGv_i64 lo = gen_dest_gpr(dc, rd + 1);
2676 
2677     switch (da.type) {
2678     case GET_ASI_EXCP:
2679         return;
2680 
2681     case GET_ASI_DTWINX:
2682         gen_address_mask(dc, addr);
2683         tcg_gen_qemu_ld_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2684         tcg_gen_addi_tl(addr, addr, 8);
2685         tcg_gen_qemu_ld_i64(lo, addr, da.mem_idx, da.memop);
2686         break;
2687 
2688     case GET_ASI_DIRECT:
2689         {
2690             TCGv_i64 tmp = tcg_temp_new_i64();
2691 
2692             gen_address_mask(dc, addr);
2693             tcg_gen_qemu_ld_i64(tmp, addr, da.mem_idx, da.memop);
2694 
2695             /* Note that LE ldda acts as if each 32-bit register
2696                result is byte swapped.  Having just performed one
2697                64-bit bswap, we need now to swap the writebacks.  */
2698             if ((da.memop & MO_BSWAP) == MO_TE) {
2699                 tcg_gen_extr32_i64(lo, hi, tmp);
2700             } else {
2701                 tcg_gen_extr32_i64(hi, lo, tmp);
2702             }
2703             tcg_temp_free_i64(tmp);
2704         }
2705         break;
2706 
2707     default:
2708         /* ??? In theory we've handled all of the ASIs that are valid
2709            for ldda, and this should raise DAE_invalid_asi.  However,
2710            real hardware allows others.  This can be seen with e.g.
2711            FreeBSD 10.3 wrt ASI_IC_TAG.  */
2712         {
2713             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2714             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2715             TCGv_i64 tmp = tcg_temp_new_i64();
2716 
2717             save_state(dc);
2718             gen_helper_ld_asi(tmp, cpu_env, addr, r_asi, r_mop);
2719             tcg_temp_free_i32(r_asi);
2720             tcg_temp_free_i32(r_mop);
2721 
2722             /* See above.  */
2723             if ((da.memop & MO_BSWAP) == MO_TE) {
2724                 tcg_gen_extr32_i64(lo, hi, tmp);
2725             } else {
2726                 tcg_gen_extr32_i64(hi, lo, tmp);
2727             }
2728             tcg_temp_free_i64(tmp);
2729         }
2730         break;
2731     }
2732 
2733     gen_store_gpr(dc, rd, hi);
2734     gen_store_gpr(dc, rd + 1, lo);
2735 }
2736 
2737 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2738                          int insn, int rd)
2739 {
2740     DisasASI da = get_asi(dc, insn, MO_TEQ);
2741     TCGv lo = gen_load_gpr(dc, rd + 1);
2742 
2743     switch (da.type) {
2744     case GET_ASI_EXCP:
2745         break;
2746 
2747     case GET_ASI_DTWINX:
2748         gen_address_mask(dc, addr);
2749         tcg_gen_qemu_st_i64(hi, addr, da.mem_idx, da.memop | MO_ALIGN_16);
2750         tcg_gen_addi_tl(addr, addr, 8);
2751         tcg_gen_qemu_st_i64(lo, addr, da.mem_idx, da.memop);
2752         break;
2753 
2754     case GET_ASI_DIRECT:
2755         {
2756             TCGv_i64 t64 = tcg_temp_new_i64();
2757 
2758             /* Note that LE stda acts as if each 32-bit register result is
2759                byte swapped.  We will perform one 64-bit LE store, so now
2760                we must swap the order of the construction.  */
2761             if ((da.memop & MO_BSWAP) == MO_TE) {
2762                 tcg_gen_concat32_i64(t64, lo, hi);
2763             } else {
2764                 tcg_gen_concat32_i64(t64, hi, lo);
2765             }
2766             gen_address_mask(dc, addr);
2767             tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2768             tcg_temp_free_i64(t64);
2769         }
2770         break;
2771 
2772     default:
2773         /* ??? In theory we've handled all of the ASIs that are valid
2774            for stda, and this should raise DAE_invalid_asi.  */
2775         {
2776             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2777             TCGv_i32 r_mop = tcg_const_i32(da.memop);
2778             TCGv_i64 t64 = tcg_temp_new_i64();
2779 
2780             /* See above.  */
2781             if ((da.memop & MO_BSWAP) == MO_TE) {
2782                 tcg_gen_concat32_i64(t64, lo, hi);
2783             } else {
2784                 tcg_gen_concat32_i64(t64, hi, lo);
2785             }
2786 
2787             save_state(dc);
2788             gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2789             tcg_temp_free_i32(r_mop);
2790             tcg_temp_free_i32(r_asi);
2791             tcg_temp_free_i64(t64);
2792         }
2793         break;
2794     }
2795 }
2796 
2797 static void gen_casx_asi(DisasContext *dc, TCGv addr, TCGv cmpv,
2798                          int insn, int rd)
2799 {
2800     DisasASI da = get_asi(dc, insn, MO_TEQ);
2801     TCGv oldv;
2802 
2803     switch (da.type) {
2804     case GET_ASI_EXCP:
2805         return;
2806     case GET_ASI_DIRECT:
2807         oldv = tcg_temp_new();
2808         tcg_gen_atomic_cmpxchg_tl(oldv, addr, cmpv, gen_load_gpr(dc, rd),
2809                                   da.mem_idx, da.memop);
2810         gen_store_gpr(dc, rd, oldv);
2811         tcg_temp_free(oldv);
2812         break;
2813     default:
2814         /* ??? Should be DAE_invalid_asi.  */
2815         gen_exception(dc, TT_DATA_ACCESS);
2816         break;
2817     }
2818 }
2819 
2820 #elif !defined(CONFIG_USER_ONLY)
2821 static void gen_ldda_asi(DisasContext *dc, TCGv addr, int insn, int rd)
2822 {
2823     /* ??? Work around an apparent bug in Ubuntu gcc 4.8.2-10ubuntu2+12,
2824        whereby "rd + 1" elicits "error: array subscript is above array".
2825        Since we have already asserted that rd is even, the semantics
2826        are unchanged.  */
2827     TCGv lo = gen_dest_gpr(dc, rd | 1);
2828     TCGv hi = gen_dest_gpr(dc, rd);
2829     TCGv_i64 t64 = tcg_temp_new_i64();
2830     DisasASI da = get_asi(dc, insn, MO_TEQ);
2831 
2832     switch (da.type) {
2833     case GET_ASI_EXCP:
2834         tcg_temp_free_i64(t64);
2835         return;
2836     case GET_ASI_DIRECT:
2837         gen_address_mask(dc, addr);
2838         tcg_gen_qemu_ld_i64(t64, addr, da.mem_idx, da.memop);
2839         break;
2840     default:
2841         {
2842             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2843             TCGv_i32 r_mop = tcg_const_i32(MO_Q);
2844 
2845             save_state(dc);
2846             gen_helper_ld_asi(t64, cpu_env, addr, r_asi, r_mop);
2847             tcg_temp_free_i32(r_mop);
2848             tcg_temp_free_i32(r_asi);
2849         }
2850         break;
2851     }
2852 
2853     tcg_gen_extr_i64_i32(lo, hi, t64);
2854     tcg_temp_free_i64(t64);
2855     gen_store_gpr(dc, rd | 1, lo);
2856     gen_store_gpr(dc, rd, hi);
2857 }
2858 
2859 static void gen_stda_asi(DisasContext *dc, TCGv hi, TCGv addr,
2860                          int insn, int rd)
2861 {
2862     DisasASI da = get_asi(dc, insn, MO_TEQ);
2863     TCGv lo = gen_load_gpr(dc, rd + 1);
2864     TCGv_i64 t64 = tcg_temp_new_i64();
2865 
2866     tcg_gen_concat_tl_i64(t64, lo, hi);
2867 
2868     switch (da.type) {
2869     case GET_ASI_EXCP:
2870         break;
2871     case GET_ASI_DIRECT:
2872         gen_address_mask(dc, addr);
2873         tcg_gen_qemu_st_i64(t64, addr, da.mem_idx, da.memop);
2874         break;
2875     case GET_ASI_BFILL:
2876         /* Store 32 bytes of T64 to ADDR.  */
2877         /* ??? The original qemu code suggests 8-byte alignment, dropping
2878            the low bits, but the only place I can see this used is in the
2879            Linux kernel with 32 byte alignment, which would make more sense
2880            as a cacheline-style operation.  */
2881         {
2882             TCGv d_addr = tcg_temp_new();
2883             TCGv eight = tcg_const_tl(8);
2884             int i;
2885 
2886             tcg_gen_andi_tl(d_addr, addr, -8);
2887             for (i = 0; i < 32; i += 8) {
2888                 tcg_gen_qemu_st_i64(t64, d_addr, da.mem_idx, da.memop);
2889                 tcg_gen_add_tl(d_addr, d_addr, eight);
2890             }
2891 
2892             tcg_temp_free(d_addr);
2893             tcg_temp_free(eight);
2894         }
2895         break;
2896     default:
2897         {
2898             TCGv_i32 r_asi = tcg_const_i32(da.asi);
2899             TCGv_i32 r_mop = tcg_const_i32(MO_Q);
2900 
2901             save_state(dc);
2902             gen_helper_st_asi(cpu_env, addr, t64, r_asi, r_mop);
2903             tcg_temp_free_i32(r_mop);
2904             tcg_temp_free_i32(r_asi);
2905         }
2906         break;
2907     }
2908 
2909     tcg_temp_free_i64(t64);
2910 }
2911 #endif
2912 
2913 static TCGv get_src1(DisasContext *dc, unsigned int insn)
2914 {
2915     unsigned int rs1 = GET_FIELD(insn, 13, 17);
2916     return gen_load_gpr(dc, rs1);
2917 }
2918 
2919 static TCGv get_src2(DisasContext *dc, unsigned int insn)
2920 {
2921     if (IS_IMM) { /* immediate */
2922         target_long simm = GET_FIELDs(insn, 19, 31);
2923         TCGv t = get_temp_tl(dc);
2924         tcg_gen_movi_tl(t, simm);
2925         return t;
2926     } else {      /* register */
2927         unsigned int rs2 = GET_FIELD(insn, 27, 31);
2928         return gen_load_gpr(dc, rs2);
2929     }
2930 }
2931 
2932 #ifdef TARGET_SPARC64
2933 static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2934 {
2935     TCGv_i32 c32, zero, dst, s1, s2;
2936 
2937     /* We have two choices here: extend the 32 bit data and use movcond_i64,
2938        or fold the comparison down to 32 bits and use movcond_i32.  Choose
2939        the later.  */
2940     c32 = tcg_temp_new_i32();
2941     if (cmp->is_bool) {
2942         tcg_gen_extrl_i64_i32(c32, cmp->c1);
2943     } else {
2944         TCGv_i64 c64 = tcg_temp_new_i64();
2945         tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
2946         tcg_gen_extrl_i64_i32(c32, c64);
2947         tcg_temp_free_i64(c64);
2948     }
2949 
2950     s1 = gen_load_fpr_F(dc, rs);
2951     s2 = gen_load_fpr_F(dc, rd);
2952     dst = gen_dest_fpr_F(dc);
2953     zero = tcg_const_i32(0);
2954 
2955     tcg_gen_movcond_i32(TCG_COND_NE, dst, c32, zero, s1, s2);
2956 
2957     tcg_temp_free_i32(c32);
2958     tcg_temp_free_i32(zero);
2959     gen_store_fpr_F(dc, rd, dst);
2960 }
2961 
2962 static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2963 {
2964     TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
2965     tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
2966                         gen_load_fpr_D(dc, rs),
2967                         gen_load_fpr_D(dc, rd));
2968     gen_store_fpr_D(dc, rd, dst);
2969 }
2970 
2971 static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
2972 {
2973     int qd = QFPREG(rd);
2974     int qs = QFPREG(rs);
2975 
2976     tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
2977                         cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
2978     tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
2979                         cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
2980 
2981     gen_update_fprs_dirty(dc, qd);
2982 }
2983 
2984 #ifndef CONFIG_USER_ONLY
2985 static inline void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_env cpu_env)
2986 {
2987     TCGv_i32 r_tl = tcg_temp_new_i32();
2988 
2989     /* load env->tl into r_tl */
2990     tcg_gen_ld_i32(r_tl, cpu_env, offsetof(CPUSPARCState, tl));
2991 
2992     /* tl = [0 ... MAXTL_MASK] where MAXTL_MASK must be power of 2 */
2993     tcg_gen_andi_i32(r_tl, r_tl, MAXTL_MASK);
2994 
2995     /* calculate offset to current trap state from env->ts, reuse r_tl */
2996     tcg_gen_muli_i32(r_tl, r_tl, sizeof (trap_state));
2997     tcg_gen_addi_ptr(r_tsptr, cpu_env, offsetof(CPUSPARCState, ts));
2998 
2999     /* tsptr = env->ts[env->tl & MAXTL_MASK] */
3000     {
3001         TCGv_ptr r_tl_tmp = tcg_temp_new_ptr();
3002         tcg_gen_ext_i32_ptr(r_tl_tmp, r_tl);
3003         tcg_gen_add_ptr(r_tsptr, r_tsptr, r_tl_tmp);
3004         tcg_temp_free_ptr(r_tl_tmp);
3005     }
3006 
3007     tcg_temp_free_i32(r_tl);
3008 }
3009 #endif
3010 
3011 static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2,
3012                      int width, bool cc, bool left)
3013 {
3014     TCGv lo1, lo2, t1, t2;
3015     uint64_t amask, tabl, tabr;
3016     int shift, imask, omask;
3017 
3018     if (cc) {
3019         tcg_gen_mov_tl(cpu_cc_src, s1);
3020         tcg_gen_mov_tl(cpu_cc_src2, s2);
3021         tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
3022         tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
3023         dc->cc_op = CC_OP_SUB;
3024     }
3025 
3026     /* Theory of operation: there are two tables, left and right (not to
3027        be confused with the left and right versions of the opcode).  These
3028        are indexed by the low 3 bits of the inputs.  To make things "easy",
3029        these tables are loaded into two constants, TABL and TABR below.
3030        The operation index = (input & imask) << shift calculates the index
3031        into the constant, while val = (table >> index) & omask calculates
3032        the value we're looking for.  */
3033     switch (width) {
3034     case 8:
3035         imask = 0x7;
3036         shift = 3;
3037         omask = 0xff;
3038         if (left) {
3039             tabl = 0x80c0e0f0f8fcfeffULL;
3040             tabr = 0xff7f3f1f0f070301ULL;
3041         } else {
3042             tabl = 0x0103070f1f3f7fffULL;
3043             tabr = 0xfffefcf8f0e0c080ULL;
3044         }
3045         break;
3046     case 16:
3047         imask = 0x6;
3048         shift = 1;
3049         omask = 0xf;
3050         if (left) {
3051             tabl = 0x8cef;
3052             tabr = 0xf731;
3053         } else {
3054             tabl = 0x137f;
3055             tabr = 0xfec8;
3056         }
3057         break;
3058     case 32:
3059         imask = 0x4;
3060         shift = 0;
3061         omask = 0x3;
3062         if (left) {
3063             tabl = (2 << 2) | 3;
3064             tabr = (3 << 2) | 1;
3065         } else {
3066             tabl = (1 << 2) | 3;
3067             tabr = (3 << 2) | 2;
3068         }
3069         break;
3070     default:
3071         abort();
3072     }
3073 
3074     lo1 = tcg_temp_new();
3075     lo2 = tcg_temp_new();
3076     tcg_gen_andi_tl(lo1, s1, imask);
3077     tcg_gen_andi_tl(lo2, s2, imask);
3078     tcg_gen_shli_tl(lo1, lo1, shift);
3079     tcg_gen_shli_tl(lo2, lo2, shift);
3080 
3081     t1 = tcg_const_tl(tabl);
3082     t2 = tcg_const_tl(tabr);
3083     tcg_gen_shr_tl(lo1, t1, lo1);
3084     tcg_gen_shr_tl(lo2, t2, lo2);
3085     tcg_gen_andi_tl(dst, lo1, omask);
3086     tcg_gen_andi_tl(lo2, lo2, omask);
3087 
3088     amask = -8;
3089     if (AM_CHECK(dc)) {
3090         amask &= 0xffffffffULL;
3091     }
3092     tcg_gen_andi_tl(s1, s1, amask);
3093     tcg_gen_andi_tl(s2, s2, amask);
3094 
3095     /* We want to compute
3096         dst = (s1 == s2 ? lo1 : lo1 & lo2).
3097        We've already done dst = lo1, so this reduces to
3098         dst &= (s1 == s2 ? -1 : lo2)
3099        Which we perform by
3100         lo2 |= -(s1 == s2)
3101         dst &= lo2
3102     */
3103     tcg_gen_setcond_tl(TCG_COND_EQ, t1, s1, s2);
3104     tcg_gen_neg_tl(t1, t1);
3105     tcg_gen_or_tl(lo2, lo2, t1);
3106     tcg_gen_and_tl(dst, dst, lo2);
3107 
3108     tcg_temp_free(lo1);
3109     tcg_temp_free(lo2);
3110     tcg_temp_free(t1);
3111     tcg_temp_free(t2);
3112 }
3113 
3114 static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
3115 {
3116     TCGv tmp = tcg_temp_new();
3117 
3118     tcg_gen_add_tl(tmp, s1, s2);
3119     tcg_gen_andi_tl(dst, tmp, -8);
3120     if (left) {
3121         tcg_gen_neg_tl(tmp, tmp);
3122     }
3123     tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, tmp, 0, 3);
3124 
3125     tcg_temp_free(tmp);
3126 }
3127 
3128 static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
3129 {
3130     TCGv t1, t2, shift;
3131 
3132     t1 = tcg_temp_new();
3133     t2 = tcg_temp_new();
3134     shift = tcg_temp_new();
3135 
3136     tcg_gen_andi_tl(shift, gsr, 7);
3137     tcg_gen_shli_tl(shift, shift, 3);
3138     tcg_gen_shl_tl(t1, s1, shift);
3139 
3140     /* A shift of 64 does not produce 0 in TCG.  Divide this into a
3141        shift of (up to 63) followed by a constant shift of 1.  */
3142     tcg_gen_xori_tl(shift, shift, 63);
3143     tcg_gen_shr_tl(t2, s2, shift);
3144     tcg_gen_shri_tl(t2, t2, 1);
3145 
3146     tcg_gen_or_tl(dst, t1, t2);
3147 
3148     tcg_temp_free(t1);
3149     tcg_temp_free(t2);
3150     tcg_temp_free(shift);
3151 }
3152 #endif
3153 
3154 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
3155     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
3156         goto illegal_insn;
3157 #define CHECK_FPU_FEATURE(dc, FEATURE)                     \
3158     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
3159         goto nfpu_insn;
3160 
3161 /* before an instruction, dc->pc must be static */
3162 static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
3163 {
3164     unsigned int opc, rs1, rs2, rd;
3165     TCGv cpu_src1, cpu_src2;
3166     TCGv_i32 cpu_src1_32, cpu_src2_32, cpu_dst_32;
3167     TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
3168     target_long simm;
3169 
3170     opc = GET_FIELD(insn, 0, 1);
3171     rd = GET_FIELD(insn, 2, 6);
3172 
3173     switch (opc) {
3174     case 0:                     /* branches/sethi */
3175         {
3176             unsigned int xop = GET_FIELD(insn, 7, 9);
3177             int32_t target;
3178             switch (xop) {
3179 #ifdef TARGET_SPARC64
3180             case 0x1:           /* V9 BPcc */
3181                 {
3182                     int cc;
3183 
3184                     target = GET_FIELD_SP(insn, 0, 18);
3185                     target = sign_extend(target, 19);
3186                     target <<= 2;
3187                     cc = GET_FIELD_SP(insn, 20, 21);
3188                     if (cc == 0)
3189                         do_branch(dc, target, insn, 0);
3190                     else if (cc == 2)
3191                         do_branch(dc, target, insn, 1);
3192                     else
3193                         goto illegal_insn;
3194                     goto jmp_insn;
3195                 }
3196             case 0x3:           /* V9 BPr */
3197                 {
3198                     target = GET_FIELD_SP(insn, 0, 13) |
3199                         (GET_FIELD_SP(insn, 20, 21) << 14);
3200                     target = sign_extend(target, 16);
3201                     target <<= 2;
3202                     cpu_src1 = get_src1(dc, insn);
3203                     do_branch_reg(dc, target, insn, cpu_src1);
3204                     goto jmp_insn;
3205                 }
3206             case 0x5:           /* V9 FBPcc */
3207                 {
3208                     int cc = GET_FIELD_SP(insn, 20, 21);
3209                     if (gen_trap_ifnofpu(dc)) {
3210                         goto jmp_insn;
3211                     }
3212                     target = GET_FIELD_SP(insn, 0, 18);
3213                     target = sign_extend(target, 19);
3214                     target <<= 2;
3215                     do_fbranch(dc, target, insn, cc);
3216                     goto jmp_insn;
3217                 }
3218 #else
3219             case 0x7:           /* CBN+x */
3220                 {
3221                     goto ncp_insn;
3222                 }
3223 #endif
3224             case 0x2:           /* BN+x */
3225                 {
3226                     target = GET_FIELD(insn, 10, 31);
3227                     target = sign_extend(target, 22);
3228                     target <<= 2;
3229                     do_branch(dc, target, insn, 0);
3230                     goto jmp_insn;
3231                 }
3232             case 0x6:           /* FBN+x */
3233                 {
3234                     if (gen_trap_ifnofpu(dc)) {
3235                         goto jmp_insn;
3236                     }
3237                     target = GET_FIELD(insn, 10, 31);
3238                     target = sign_extend(target, 22);
3239                     target <<= 2;
3240                     do_fbranch(dc, target, insn, 0);
3241                     goto jmp_insn;
3242                 }
3243             case 0x4:           /* SETHI */
3244                 /* Special-case %g0 because that's the canonical nop.  */
3245                 if (rd) {
3246                     uint32_t value = GET_FIELD(insn, 10, 31);
3247                     TCGv t = gen_dest_gpr(dc, rd);
3248                     tcg_gen_movi_tl(t, value << 10);
3249                     gen_store_gpr(dc, rd, t);
3250                 }
3251                 break;
3252             case 0x0:           /* UNIMPL */
3253             default:
3254                 goto illegal_insn;
3255             }
3256             break;
3257         }
3258         break;
3259     case 1:                     /*CALL*/
3260         {
3261             target_long target = GET_FIELDs(insn, 2, 31) << 2;
3262             TCGv o7 = gen_dest_gpr(dc, 15);
3263 
3264             tcg_gen_movi_tl(o7, dc->pc);
3265             gen_store_gpr(dc, 15, o7);
3266             target += dc->pc;
3267             gen_mov_pc_npc(dc);
3268 #ifdef TARGET_SPARC64
3269             if (unlikely(AM_CHECK(dc))) {
3270                 target &= 0xffffffffULL;
3271             }
3272 #endif
3273             dc->npc = target;
3274         }
3275         goto jmp_insn;
3276     case 2:                     /* FPU & Logical Operations */
3277         {
3278             unsigned int xop = GET_FIELD(insn, 7, 12);
3279             TCGv cpu_dst = get_temp_tl(dc);
3280             TCGv cpu_tmp0;
3281 
3282             if (xop == 0x3a) {  /* generate trap */
3283                 int cond = GET_FIELD(insn, 3, 6);
3284                 TCGv_i32 trap;
3285                 TCGLabel *l1 = NULL;
3286                 int mask;
3287 
3288                 if (cond == 0) {
3289                     /* Trap never.  */
3290                     break;
3291                 }
3292 
3293                 save_state(dc);
3294 
3295                 if (cond != 8) {
3296                     /* Conditional trap.  */
3297                     DisasCompare cmp;
3298 #ifdef TARGET_SPARC64
3299                     /* V9 icc/xcc */
3300                     int cc = GET_FIELD_SP(insn, 11, 12);
3301                     if (cc == 0) {
3302                         gen_compare(&cmp, 0, cond, dc);
3303                     } else if (cc == 2) {
3304                         gen_compare(&cmp, 1, cond, dc);
3305                     } else {
3306                         goto illegal_insn;
3307                     }
3308 #else
3309                     gen_compare(&cmp, 0, cond, dc);
3310 #endif
3311                     l1 = gen_new_label();
3312                     tcg_gen_brcond_tl(tcg_invert_cond(cmp.cond),
3313                                       cmp.c1, cmp.c2, l1);
3314                     free_compare(&cmp);
3315                 }
3316 
3317                 mask = ((dc->def->features & CPU_FEATURE_HYPV) && supervisor(dc)
3318                         ? UA2005_HTRAP_MASK : V8_TRAP_MASK);
3319 
3320                 /* Don't use the normal temporaries, as they may well have
3321                    gone out of scope with the branch above.  While we're
3322                    doing that we might as well pre-truncate to 32-bit.  */
3323                 trap = tcg_temp_new_i32();
3324 
3325                 rs1 = GET_FIELD_SP(insn, 14, 18);
3326                 if (IS_IMM) {
3327                     rs2 = GET_FIELD_SP(insn, 0, 7);
3328                     if (rs1 == 0) {
3329                         tcg_gen_movi_i32(trap, (rs2 & mask) + TT_TRAP);
3330                         /* Signal that the trap value is fully constant.  */
3331                         mask = 0;
3332                     } else {
3333                         TCGv t1 = gen_load_gpr(dc, rs1);
3334                         tcg_gen_trunc_tl_i32(trap, t1);
3335                         tcg_gen_addi_i32(trap, trap, rs2);
3336                     }
3337                 } else {
3338                     TCGv t1, t2;
3339                     rs2 = GET_FIELD_SP(insn, 0, 4);
3340                     t1 = gen_load_gpr(dc, rs1);
3341                     t2 = gen_load_gpr(dc, rs2);
3342                     tcg_gen_add_tl(t1, t1, t2);
3343                     tcg_gen_trunc_tl_i32(trap, t1);
3344                 }
3345                 if (mask != 0) {
3346                     tcg_gen_andi_i32(trap, trap, mask);
3347                     tcg_gen_addi_i32(trap, trap, TT_TRAP);
3348                 }
3349 
3350                 gen_helper_raise_exception(cpu_env, trap);
3351                 tcg_temp_free_i32(trap);
3352 
3353                 if (cond == 8) {
3354                     /* An unconditional trap ends the TB.  */
3355                     dc->base.is_jmp = DISAS_NORETURN;
3356                     goto jmp_insn;
3357                 } else {
3358                     /* A conditional trap falls through to the next insn.  */
3359                     gen_set_label(l1);
3360                     break;
3361                 }
3362             } else if (xop == 0x28) {
3363                 rs1 = GET_FIELD(insn, 13, 17);
3364                 switch(rs1) {
3365                 case 0: /* rdy */
3366 #ifndef TARGET_SPARC64
3367                 case 0x01 ... 0x0e: /* undefined in the SPARCv8
3368                                        manual, rdy on the microSPARC
3369                                        II */
3370                 case 0x0f:          /* stbar in the SPARCv8 manual,
3371                                        rdy on the microSPARC II */
3372                 case 0x10 ... 0x1f: /* implementation-dependent in the
3373                                        SPARCv8 manual, rdy on the
3374                                        microSPARC II */
3375                     /* Read Asr17 */
3376                     if (rs1 == 0x11 && dc->def->features & CPU_FEATURE_ASR17) {
3377                         TCGv t = gen_dest_gpr(dc, rd);
3378                         /* Read Asr17 for a Leon3 monoprocessor */
3379                         tcg_gen_movi_tl(t, (1 << 8) | (dc->def->nwindows - 1));
3380                         gen_store_gpr(dc, rd, t);
3381                         break;
3382                     }
3383 #endif
3384                     gen_store_gpr(dc, rd, cpu_y);
3385                     break;
3386 #ifdef TARGET_SPARC64
3387                 case 0x2: /* V9 rdccr */
3388                     update_psr(dc);
3389                     gen_helper_rdccr(cpu_dst, cpu_env);
3390                     gen_store_gpr(dc, rd, cpu_dst);
3391                     break;
3392                 case 0x3: /* V9 rdasi */
3393                     tcg_gen_movi_tl(cpu_dst, dc->asi);
3394                     gen_store_gpr(dc, rd, cpu_dst);
3395                     break;
3396                 case 0x4: /* V9 rdtick */
3397                     {
3398                         TCGv_ptr r_tickptr;
3399                         TCGv_i32 r_const;
3400 
3401                         r_tickptr = tcg_temp_new_ptr();
3402                         r_const = tcg_const_i32(dc->mem_idx);
3403                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3404                                        offsetof(CPUSPARCState, tick));
3405                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3406                             gen_io_start();
3407                         }
3408                         gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3409                                                   r_const);
3410                         tcg_temp_free_ptr(r_tickptr);
3411                         tcg_temp_free_i32(r_const);
3412                         gen_store_gpr(dc, rd, cpu_dst);
3413                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3414                             gen_io_end();
3415                         }
3416                     }
3417                     break;
3418                 case 0x5: /* V9 rdpc */
3419                     {
3420                         TCGv t = gen_dest_gpr(dc, rd);
3421                         if (unlikely(AM_CHECK(dc))) {
3422                             tcg_gen_movi_tl(t, dc->pc & 0xffffffffULL);
3423                         } else {
3424                             tcg_gen_movi_tl(t, dc->pc);
3425                         }
3426                         gen_store_gpr(dc, rd, t);
3427                     }
3428                     break;
3429                 case 0x6: /* V9 rdfprs */
3430                     tcg_gen_ext_i32_tl(cpu_dst, cpu_fprs);
3431                     gen_store_gpr(dc, rd, cpu_dst);
3432                     break;
3433                 case 0xf: /* V9 membar */
3434                     break; /* no effect */
3435                 case 0x13: /* Graphics Status */
3436                     if (gen_trap_ifnofpu(dc)) {
3437                         goto jmp_insn;
3438                     }
3439                     gen_store_gpr(dc, rd, cpu_gsr);
3440                     break;
3441                 case 0x16: /* Softint */
3442                     tcg_gen_ld32s_tl(cpu_dst, cpu_env,
3443                                      offsetof(CPUSPARCState, softint));
3444                     gen_store_gpr(dc, rd, cpu_dst);
3445                     break;
3446                 case 0x17: /* Tick compare */
3447                     gen_store_gpr(dc, rd, cpu_tick_cmpr);
3448                     break;
3449                 case 0x18: /* System tick */
3450                     {
3451                         TCGv_ptr r_tickptr;
3452                         TCGv_i32 r_const;
3453 
3454                         r_tickptr = tcg_temp_new_ptr();
3455                         r_const = tcg_const_i32(dc->mem_idx);
3456                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3457                                        offsetof(CPUSPARCState, stick));
3458                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3459                             gen_io_start();
3460                         }
3461                         gen_helper_tick_get_count(cpu_dst, cpu_env, r_tickptr,
3462                                                   r_const);
3463                         tcg_temp_free_ptr(r_tickptr);
3464                         tcg_temp_free_i32(r_const);
3465                         gen_store_gpr(dc, rd, cpu_dst);
3466                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3467                             gen_io_end();
3468                         }
3469                     }
3470                     break;
3471                 case 0x19: /* System tick compare */
3472                     gen_store_gpr(dc, rd, cpu_stick_cmpr);
3473                     break;
3474                 case 0x1a: /* UltraSPARC-T1 Strand status */
3475                     /* XXX HYPV check maybe not enough, UA2005 & UA2007 describe
3476                      * this ASR as impl. dep
3477                      */
3478                     CHECK_IU_FEATURE(dc, HYPV);
3479                     {
3480                         TCGv t = gen_dest_gpr(dc, rd);
3481                         tcg_gen_movi_tl(t, 1UL);
3482                         gen_store_gpr(dc, rd, t);
3483                     }
3484                     break;
3485                 case 0x10: /* Performance Control */
3486                 case 0x11: /* Performance Instrumentation Counter */
3487                 case 0x12: /* Dispatch Control */
3488                 case 0x14: /* Softint set, WO */
3489                 case 0x15: /* Softint clear, WO */
3490 #endif
3491                 default:
3492                     goto illegal_insn;
3493                 }
3494 #if !defined(CONFIG_USER_ONLY)
3495             } else if (xop == 0x29) { /* rdpsr / UA2005 rdhpr */
3496 #ifndef TARGET_SPARC64
3497                 if (!supervisor(dc)) {
3498                     goto priv_insn;
3499                 }
3500                 update_psr(dc);
3501                 gen_helper_rdpsr(cpu_dst, cpu_env);
3502 #else
3503                 CHECK_IU_FEATURE(dc, HYPV);
3504                 if (!hypervisor(dc))
3505                     goto priv_insn;
3506                 rs1 = GET_FIELD(insn, 13, 17);
3507                 switch (rs1) {
3508                 case 0: // hpstate
3509                     tcg_gen_ld_i64(cpu_dst, cpu_env,
3510                                    offsetof(CPUSPARCState, hpstate));
3511                     break;
3512                 case 1: // htstate
3513                     // gen_op_rdhtstate();
3514                     break;
3515                 case 3: // hintp
3516                     tcg_gen_mov_tl(cpu_dst, cpu_hintp);
3517                     break;
3518                 case 5: // htba
3519                     tcg_gen_mov_tl(cpu_dst, cpu_htba);
3520                     break;
3521                 case 6: // hver
3522                     tcg_gen_mov_tl(cpu_dst, cpu_hver);
3523                     break;
3524                 case 31: // hstick_cmpr
3525                     tcg_gen_mov_tl(cpu_dst, cpu_hstick_cmpr);
3526                     break;
3527                 default:
3528                     goto illegal_insn;
3529                 }
3530 #endif
3531                 gen_store_gpr(dc, rd, cpu_dst);
3532                 break;
3533             } else if (xop == 0x2a) { /* rdwim / V9 rdpr */
3534                 if (!supervisor(dc)) {
3535                     goto priv_insn;
3536                 }
3537                 cpu_tmp0 = get_temp_tl(dc);
3538 #ifdef TARGET_SPARC64
3539                 rs1 = GET_FIELD(insn, 13, 17);
3540                 switch (rs1) {
3541                 case 0: // tpc
3542                     {
3543                         TCGv_ptr r_tsptr;
3544 
3545                         r_tsptr = tcg_temp_new_ptr();
3546                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3547                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3548                                       offsetof(trap_state, tpc));
3549                         tcg_temp_free_ptr(r_tsptr);
3550                     }
3551                     break;
3552                 case 1: // tnpc
3553                     {
3554                         TCGv_ptr r_tsptr;
3555 
3556                         r_tsptr = tcg_temp_new_ptr();
3557                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3558                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3559                                       offsetof(trap_state, tnpc));
3560                         tcg_temp_free_ptr(r_tsptr);
3561                     }
3562                     break;
3563                 case 2: // tstate
3564                     {
3565                         TCGv_ptr r_tsptr;
3566 
3567                         r_tsptr = tcg_temp_new_ptr();
3568                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3569                         tcg_gen_ld_tl(cpu_tmp0, r_tsptr,
3570                                       offsetof(trap_state, tstate));
3571                         tcg_temp_free_ptr(r_tsptr);
3572                     }
3573                     break;
3574                 case 3: // tt
3575                     {
3576                         TCGv_ptr r_tsptr = tcg_temp_new_ptr();
3577 
3578                         gen_load_trap_state_at_tl(r_tsptr, cpu_env);
3579                         tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr,
3580                                          offsetof(trap_state, tt));
3581                         tcg_temp_free_ptr(r_tsptr);
3582                     }
3583                     break;
3584                 case 4: // tick
3585                     {
3586                         TCGv_ptr r_tickptr;
3587                         TCGv_i32 r_const;
3588 
3589                         r_tickptr = tcg_temp_new_ptr();
3590                         r_const = tcg_const_i32(dc->mem_idx);
3591                         tcg_gen_ld_ptr(r_tickptr, cpu_env,
3592                                        offsetof(CPUSPARCState, tick));
3593                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3594                             gen_io_start();
3595                         }
3596                         gen_helper_tick_get_count(cpu_tmp0, cpu_env,
3597                                                   r_tickptr, r_const);
3598                         tcg_temp_free_ptr(r_tickptr);
3599                         tcg_temp_free_i32(r_const);
3600                         if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
3601                             gen_io_end();
3602                         }
3603                     }
3604                     break;
3605                 case 5: // tba
3606                     tcg_gen_mov_tl(cpu_tmp0, cpu_tbr);
3607                     break;
3608                 case 6: // pstate
3609                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3610                                      offsetof(CPUSPARCState, pstate));
3611                     break;
3612                 case 7: // tl
3613                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3614                                      offsetof(CPUSPARCState, tl));
3615                     break;
3616                 case 8: // pil
3617                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3618                                      offsetof(CPUSPARCState, psrpil));
3619                     break;
3620                 case 9: // cwp
3621                     gen_helper_rdcwp(cpu_tmp0, cpu_env);
3622                     break;
3623                 case 10: // cansave
3624                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3625                                      offsetof(CPUSPARCState, cansave));
3626                     break;
3627                 case 11: // canrestore
3628                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3629                                      offsetof(CPUSPARCState, canrestore));
3630                     break;
3631                 case 12: // cleanwin
3632                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3633                                      offsetof(CPUSPARCState, cleanwin));
3634                     break;
3635                 case 13: // otherwin
3636                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3637                                      offsetof(CPUSPARCState, otherwin));
3638                     break;
3639                 case 14: // wstate
3640                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3641                                      offsetof(CPUSPARCState, wstate));
3642                     break;
3643                 case 16: // UA2005 gl
3644                     CHECK_IU_FEATURE(dc, GL);
3645                     tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
3646                                      offsetof(CPUSPARCState, gl));
3647                     break;
3648                 case 26: // UA2005 strand status
3649                     CHECK_IU_FEATURE(dc, HYPV);
3650                     if (!hypervisor(dc))
3651                         goto priv_insn;
3652                     tcg_gen_mov_tl(cpu_tmp0, cpu_ssr);
3653                     break;
3654                 case 31: // ver
3655                     tcg_gen_mov_tl(cpu_tmp0, cpu_ver);
3656                     break;
3657                 case 15: // fq
3658                 default:
3659                     goto illegal_insn;
3660                 }
3661 #else
3662                 tcg_gen_ext_i32_tl(cpu_tmp0, cpu_wim);
3663 #endif
3664                 gen_store_gpr(dc, rd, cpu_tmp0);
3665                 break;
3666 #endif
3667 #if defined(TARGET_SPARC64) || !defined(CONFIG_USER_ONLY)
3668             } else if (xop == 0x2b) { /* rdtbr / V9 flushw */
3669 #ifdef TARGET_SPARC64
3670                 gen_helper_flushw(cpu_env);
3671 #else
3672                 if (!supervisor(dc))
3673                     goto priv_insn;
3674                 gen_store_gpr(dc, rd, cpu_tbr);
3675 #endif
3676                 break;
3677 #endif
3678             } else if (xop == 0x34) {   /* FPU Operations */
3679                 if (gen_trap_ifnofpu(dc)) {
3680                     goto jmp_insn;
3681                 }
3682                 gen_op_clear_ieee_excp_and_FTT();
3683                 rs1 = GET_FIELD(insn, 13, 17);
3684                 rs2 = GET_FIELD(insn, 27, 31);
3685                 xop = GET_FIELD(insn, 18, 26);
3686 
3687                 switch (xop) {
3688                 case 0x1: /* fmovs */
3689                     cpu_src1_32 = gen_load_fpr_F(dc, rs2);
3690                     gen_store_fpr_F(dc, rd, cpu_src1_32);
3691                     break;
3692                 case 0x5: /* fnegs */
3693                     gen_ne_fop_FF(dc, rd, rs2, gen_helper_fnegs);
3694                     break;
3695                 case 0x9: /* fabss */
3696                     gen_ne_fop_FF(dc, rd, rs2, gen_helper_fabss);
3697                     break;
3698                 case 0x29: /* fsqrts */
3699                     CHECK_FPU_FEATURE(dc, FSQRT);
3700                     gen_fop_FF(dc, rd, rs2, gen_helper_fsqrts);
3701                     break;
3702                 case 0x2a: /* fsqrtd */
3703                     CHECK_FPU_FEATURE(dc, FSQRT);
3704                     gen_fop_DD(dc, rd, rs2, gen_helper_fsqrtd);
3705                     break;
3706                 case 0x2b: /* fsqrtq */
3707                     CHECK_FPU_FEATURE(dc, FLOAT128);
3708                     gen_fop_QQ(dc, rd, rs2, gen_helper_fsqrtq);
3709                     break;
3710                 case 0x41: /* fadds */
3711                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fadds);
3712                     break;
3713                 case 0x42: /* faddd */
3714                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_faddd);
3715                     break;
3716                 case 0x43: /* faddq */
3717                     CHECK_FPU_FEATURE(dc, FLOAT128);
3718                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_faddq);
3719                     break;
3720                 case 0x45: /* fsubs */
3721                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fsubs);
3722                     break;
3723                 case 0x46: /* fsubd */
3724                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fsubd);
3725                     break;
3726                 case 0x47: /* fsubq */
3727                     CHECK_FPU_FEATURE(dc, FLOAT128);
3728                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fsubq);
3729                     break;
3730                 case 0x49: /* fmuls */
3731                     CHECK_FPU_FEATURE(dc, FMUL);
3732                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fmuls);
3733                     break;
3734                 case 0x4a: /* fmuld */
3735                     CHECK_FPU_FEATURE(dc, FMUL);
3736                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld);
3737                     break;
3738                 case 0x4b: /* fmulq */
3739                     CHECK_FPU_FEATURE(dc, FLOAT128);
3740                     CHECK_FPU_FEATURE(dc, FMUL);
3741                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fmulq);
3742                     break;
3743                 case 0x4d: /* fdivs */
3744                     gen_fop_FFF(dc, rd, rs1, rs2, gen_helper_fdivs);
3745                     break;
3746                 case 0x4e: /* fdivd */
3747                     gen_fop_DDD(dc, rd, rs1, rs2, gen_helper_fdivd);
3748                     break;
3749                 case 0x4f: /* fdivq */
3750                     CHECK_FPU_FEATURE(dc, FLOAT128);
3751                     gen_fop_QQQ(dc, rd, rs1, rs2, gen_helper_fdivq);
3752                     break;
3753                 case 0x69: /* fsmuld */
3754                     CHECK_FPU_FEATURE(dc, FSMULD);
3755                     gen_fop_DFF(dc, rd, rs1, rs2, gen_helper_fsmuld);
3756                     break;
3757                 case 0x6e: /* fdmulq */
3758                     CHECK_FPU_FEATURE(dc, FLOAT128);
3759                     gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);
3760                     break;
3761                 case 0xc4: /* fitos */
3762                     gen_fop_FF(dc, rd, rs2, gen_helper_fitos);
3763                     break;
3764                 case 0xc6: /* fdtos */
3765                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtos);
3766                     break;
3767                 case 0xc7: /* fqtos */
3768                     CHECK_FPU_FEATURE(dc, FLOAT128);
3769                     gen_fop_FQ(dc, rd, rs2, gen_helper_fqtos);
3770                     break;
3771                 case 0xc8: /* fitod */
3772                     gen_ne_fop_DF(dc, rd, rs2, gen_helper_fitod);
3773                     break;
3774                 case 0xc9: /* fstod */
3775                     gen_ne_fop_DF(dc, rd, rs2, gen_helper_fstod);
3776                     break;
3777                 case 0xcb: /* fqtod */
3778                     CHECK_FPU_FEATURE(dc, FLOAT128);
3779                     gen_fop_DQ(dc, rd, rs2, gen_helper_fqtod);
3780                     break;
3781                 case 0xcc: /* fitoq */
3782                     CHECK_FPU_FEATURE(dc, FLOAT128);
3783                     gen_ne_fop_QF(dc, rd, rs2, gen_helper_fitoq);
3784                     break;
3785                 case 0xcd: /* fstoq */
3786                     CHECK_FPU_FEATURE(dc, FLOAT128);
3787                     gen_ne_fop_QF(dc, rd, rs2, gen_helper_fstoq);
3788                     break;
3789                 case 0xce: /* fdtoq */
3790                     CHECK_FPU_FEATURE(dc, FLOAT128);
3791                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fdtoq);
3792                     break;
3793                 case 0xd1: /* fstoi */
3794                     gen_fop_FF(dc, rd, rs2, gen_helper_fstoi);
3795                     break;
3796                 case 0xd2: /* fdtoi */
3797                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtoi);
3798                     break;
3799                 case 0xd3: /* fqtoi */
3800                     CHECK_FPU_FEATURE(dc, FLOAT128);
3801                     gen_fop_FQ(dc, rd, rs2, gen_helper_fqtoi);
3802                     break;
3803 #ifdef TARGET_SPARC64
3804                 case 0x2: /* V9 fmovd */
3805                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
3806                     gen_store_fpr_D(dc, rd, cpu_src1_64);
3807                     break;
3808                 case 0x3: /* V9 fmovq */
3809                     CHECK_FPU_FEATURE(dc, FLOAT128);
3810                     gen_move_Q(dc, rd, rs2);
3811                     break;
3812                 case 0x6: /* V9 fnegd */
3813                     gen_ne_fop_DD(dc, rd, rs2, gen_helper_fnegd);
3814                     break;
3815                 case 0x7: /* V9 fnegq */
3816                     CHECK_FPU_FEATURE(dc, FLOAT128);
3817                     gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fnegq);
3818                     break;
3819                 case 0xa: /* V9 fabsd */
3820                     gen_ne_fop_DD(dc, rd, rs2, gen_helper_fabsd);
3821                     break;
3822                 case 0xb: /* V9 fabsq */
3823                     CHECK_FPU_FEATURE(dc, FLOAT128);
3824                     gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fabsq);
3825                     break;
3826                 case 0x81: /* V9 fstox */
3827                     gen_fop_DF(dc, rd, rs2, gen_helper_fstox);
3828                     break;
3829                 case 0x82: /* V9 fdtox */
3830                     gen_fop_DD(dc, rd, rs2, gen_helper_fdtox);
3831                     break;
3832                 case 0x83: /* V9 fqtox */
3833                     CHECK_FPU_FEATURE(dc, FLOAT128);
3834                     gen_fop_DQ(dc, rd, rs2, gen_helper_fqtox);
3835                     break;
3836                 case 0x84: /* V9 fxtos */
3837                     gen_fop_FD(dc, rd, rs2, gen_helper_fxtos);
3838                     break;
3839                 case 0x88: /* V9 fxtod */
3840                     gen_fop_DD(dc, rd, rs2, gen_helper_fxtod);
3841                     break;
3842                 case 0x8c: /* V9 fxtoq */
3843                     CHECK_FPU_FEATURE(dc, FLOAT128);
3844                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fxtoq);
3845                     break;
3846 #endif
3847                 default:
3848                     goto illegal_insn;
3849                 }
3850             } else if (xop == 0x35) {   /* FPU Operations */
3851 #ifdef TARGET_SPARC64
3852                 int cond;
3853 #endif
3854                 if (gen_trap_ifnofpu(dc)) {
3855                     goto jmp_insn;
3856                 }
3857                 gen_op_clear_ieee_excp_and_FTT();
3858                 rs1 = GET_FIELD(insn, 13, 17);
3859                 rs2 = GET_FIELD(insn, 27, 31);
3860                 xop = GET_FIELD(insn, 18, 26);
3861 
3862 #ifdef TARGET_SPARC64
3863 #define FMOVR(sz)                                                  \
3864                 do {                                               \
3865                     DisasCompare cmp;                              \
3866                     cond = GET_FIELD_SP(insn, 10, 12);             \
3867                     cpu_src1 = get_src1(dc, insn);                 \
3868                     gen_compare_reg(&cmp, cond, cpu_src1);         \
3869                     gen_fmov##sz(dc, &cmp, rd, rs2);               \
3870                     free_compare(&cmp);                            \
3871                 } while (0)
3872 
3873                 if ((xop & 0x11f) == 0x005) { /* V9 fmovsr */
3874                     FMOVR(s);
3875                     break;
3876                 } else if ((xop & 0x11f) == 0x006) { // V9 fmovdr
3877                     FMOVR(d);
3878                     break;
3879                 } else if ((xop & 0x11f) == 0x007) { // V9 fmovqr
3880                     CHECK_FPU_FEATURE(dc, FLOAT128);
3881                     FMOVR(q);
3882                     break;
3883                 }
3884 #undef FMOVR
3885 #endif
3886                 switch (xop) {
3887 #ifdef TARGET_SPARC64
3888 #define FMOVCC(fcc, sz)                                                 \
3889                     do {                                                \
3890                         DisasCompare cmp;                               \
3891                         cond = GET_FIELD_SP(insn, 14, 17);              \
3892                         gen_fcompare(&cmp, fcc, cond);                  \
3893                         gen_fmov##sz(dc, &cmp, rd, rs2);                \
3894                         free_compare(&cmp);                             \
3895                     } while (0)
3896 
3897                     case 0x001: /* V9 fmovscc %fcc0 */
3898                         FMOVCC(0, s);
3899                         break;
3900                     case 0x002: /* V9 fmovdcc %fcc0 */
3901                         FMOVCC(0, d);
3902                         break;
3903                     case 0x003: /* V9 fmovqcc %fcc0 */
3904                         CHECK_FPU_FEATURE(dc, FLOAT128);
3905                         FMOVCC(0, q);
3906                         break;
3907                     case 0x041: /* V9 fmovscc %fcc1 */
3908                         FMOVCC(1, s);
3909                         break;
3910                     case 0x042: /* V9 fmovdcc %fcc1 */
3911                         FMOVCC(1, d);
3912                         break;
3913                     case 0x043: /* V9 fmovqcc %fcc1 */
3914                         CHECK_FPU_FEATURE(dc, FLOAT128);
3915                         FMOVCC(1, q);
3916                         break;
3917                     case 0x081: /* V9 fmovscc %fcc2 */
3918                         FMOVCC(2, s);
3919                         break;
3920                     case 0x082: /* V9 fmovdcc %fcc2 */
3921                         FMOVCC(2, d);
3922                         break;
3923                     case 0x083: /* V9 fmovqcc %fcc2 */
3924                         CHECK_FPU_FEATURE(dc, FLOAT128);
3925                         FMOVCC(2, q);
3926                         break;
3927                     case 0x0c1: /* V9 fmovscc %fcc3 */
3928                         FMOVCC(3, s);
3929                         break;
3930                     case 0x0c2: /* V9 fmovdcc %fcc3 */
3931                         FMOVCC(3, d);
3932                         break;
3933                     case 0x0c3: /* V9 fmovqcc %fcc3 */
3934                         CHECK_FPU_FEATURE(dc, FLOAT128);
3935                         FMOVCC(3, q);
3936                         break;
3937 #undef FMOVCC
3938 #define FMOVCC(xcc, sz)                                                 \
3939                     do {                                                \
3940                         DisasCompare cmp;                               \
3941                         cond = GET_FIELD_SP(insn, 14, 17);              \
3942                         gen_compare(&cmp, xcc, cond, dc);               \
3943                         gen_fmov##sz(dc, &cmp, rd, rs2);                \
3944                         free_compare(&cmp);                             \
3945                     } while (0)
3946 
3947                     case 0x101: /* V9 fmovscc %icc */
3948                         FMOVCC(0, s);
3949                         break;
3950                     case 0x102: /* V9 fmovdcc %icc */
3951                         FMOVCC(0, d);
3952                         break;
3953                     case 0x103: /* V9 fmovqcc %icc */
3954                         CHECK_FPU_FEATURE(dc, FLOAT128);
3955                         FMOVCC(0, q);
3956                         break;
3957                     case 0x181: /* V9 fmovscc %xcc */
3958                         FMOVCC(1, s);
3959                         break;
3960                     case 0x182: /* V9 fmovdcc %xcc */
3961                         FMOVCC(1, d);
3962                         break;
3963                     case 0x183: /* V9 fmovqcc %xcc */
3964                         CHECK_FPU_FEATURE(dc, FLOAT128);
3965                         FMOVCC(1, q);
3966                         break;
3967 #undef FMOVCC
3968 #endif
3969                     case 0x51: /* fcmps, V9 %fcc */
3970                         cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3971                         cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3972                         gen_op_fcmps(rd & 3, cpu_src1_32, cpu_src2_32);
3973                         break;
3974                     case 0x52: /* fcmpd, V9 %fcc */
3975                         cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3976                         cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3977                         gen_op_fcmpd(rd & 3, cpu_src1_64, cpu_src2_64);
3978                         break;
3979                     case 0x53: /* fcmpq, V9 %fcc */
3980                         CHECK_FPU_FEATURE(dc, FLOAT128);
3981                         gen_op_load_fpr_QT0(QFPREG(rs1));
3982                         gen_op_load_fpr_QT1(QFPREG(rs2));
3983                         gen_op_fcmpq(rd & 3);
3984                         break;
3985                     case 0x55: /* fcmpes, V9 %fcc */
3986                         cpu_src1_32 = gen_load_fpr_F(dc, rs1);
3987                         cpu_src2_32 = gen_load_fpr_F(dc, rs2);
3988                         gen_op_fcmpes(rd & 3, cpu_src1_32, cpu_src2_32);
3989                         break;
3990                     case 0x56: /* fcmped, V9 %fcc */
3991                         cpu_src1_64 = gen_load_fpr_D(dc, rs1);
3992                         cpu_src2_64 = gen_load_fpr_D(dc, rs2);
3993                         gen_op_fcmped(rd & 3, cpu_src1_64, cpu_src2_64);
3994                         break;
3995                     case 0x57: /* fcmpeq, V9 %fcc */
3996                         CHECK_FPU_FEATURE(dc, FLOAT128);
3997                         gen_op_load_fpr_QT0(QFPREG(rs1));
3998                         gen_op_load_fpr_QT1(QFPREG(rs2));
3999                         gen_op_fcmpeq(rd & 3);
4000                         break;
4001                     default:
4002                         goto illegal_insn;
4003                 }
4004             } else if (xop == 0x2) {
4005                 TCGv dst = gen_dest_gpr(dc, rd);
4006                 rs1 = GET_FIELD(insn, 13, 17);
4007                 if (rs1 == 0) {
4008                     /* clr/mov shortcut : or %g0, x, y -> mov x, y */
4009                     if (IS_IMM) {       /* immediate */
4010                         simm = GET_FIELDs(insn, 19, 31);
4011                         tcg_gen_movi_tl(dst, simm);
4012                         gen_store_gpr(dc, rd, dst);
4013                     } else {            /* register */
4014                         rs2 = GET_FIELD(insn, 27, 31);
4015                         if (rs2 == 0) {
4016                             tcg_gen_movi_tl(dst, 0);
4017                             gen_store_gpr(dc, rd, dst);
4018                         } else {
4019                             cpu_src2 = gen_load_gpr(dc, rs2);
4020                             gen_store_gpr(dc, rd, cpu_src2);
4021                         }
4022                     }
4023                 } else {
4024                     cpu_src1 = get_src1(dc, insn);
4025                     if (IS_IMM) {       /* immediate */
4026                         simm = GET_FIELDs(insn, 19, 31);
4027                         tcg_gen_ori_tl(dst, cpu_src1, simm);
4028                         gen_store_gpr(dc, rd, dst);
4029                     } else {            /* register */
4030                         rs2 = GET_FIELD(insn, 27, 31);
4031                         if (rs2 == 0) {
4032                             /* mov shortcut:  or x, %g0, y -> mov x, y */
4033                             gen_store_gpr(dc, rd, cpu_src1);
4034                         } else {
4035                             cpu_src2 = gen_load_gpr(dc, rs2);
4036                             tcg_gen_or_tl(dst, cpu_src1, cpu_src2);
4037                             gen_store_gpr(dc, rd, dst);
4038                         }
4039                     }
4040                 }
4041 #ifdef TARGET_SPARC64
4042             } else if (xop == 0x25) { /* sll, V9 sllx */
4043                 cpu_src1 = get_src1(dc, insn);
4044                 if (IS_IMM) {   /* immediate */
4045                     simm = GET_FIELDs(insn, 20, 31);
4046                     if (insn & (1 << 12)) {
4047                         tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x3f);
4048                     } else {
4049                         tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x1f);
4050                     }
4051                 } else {                /* register */
4052                     rs2 = GET_FIELD(insn, 27, 31);
4053                     cpu_src2 = gen_load_gpr(dc, rs2);
4054                     cpu_tmp0 = get_temp_tl(dc);
4055                     if (insn & (1 << 12)) {
4056                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4057                     } else {
4058                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4059                     }
4060                     tcg_gen_shl_i64(cpu_dst, cpu_src1, cpu_tmp0);
4061                 }
4062                 gen_store_gpr(dc, rd, cpu_dst);
4063             } else if (xop == 0x26) { /* srl, V9 srlx */
4064                 cpu_src1 = get_src1(dc, insn);
4065                 if (IS_IMM) {   /* immediate */
4066                     simm = GET_FIELDs(insn, 20, 31);
4067                     if (insn & (1 << 12)) {
4068                         tcg_gen_shri_i64(cpu_dst, cpu_src1, simm & 0x3f);
4069                     } else {
4070                         tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4071                         tcg_gen_shri_i64(cpu_dst, cpu_dst, simm & 0x1f);
4072                     }
4073                 } else {                /* register */
4074                     rs2 = GET_FIELD(insn, 27, 31);
4075                     cpu_src2 = gen_load_gpr(dc, rs2);
4076                     cpu_tmp0 = get_temp_tl(dc);
4077                     if (insn & (1 << 12)) {
4078                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4079                         tcg_gen_shr_i64(cpu_dst, cpu_src1, cpu_tmp0);
4080                     } else {
4081                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4082                         tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
4083                         tcg_gen_shr_i64(cpu_dst, cpu_dst, cpu_tmp0);
4084                     }
4085                 }
4086                 gen_store_gpr(dc, rd, cpu_dst);
4087             } else if (xop == 0x27) { /* sra, V9 srax */
4088                 cpu_src1 = get_src1(dc, insn);
4089                 if (IS_IMM) {   /* immediate */
4090                     simm = GET_FIELDs(insn, 20, 31);
4091                     if (insn & (1 << 12)) {
4092                         tcg_gen_sari_i64(cpu_dst, cpu_src1, simm & 0x3f);
4093                     } else {
4094                         tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4095                         tcg_gen_sari_i64(cpu_dst, cpu_dst, simm & 0x1f);
4096                     }
4097                 } else {                /* register */
4098                     rs2 = GET_FIELD(insn, 27, 31);
4099                     cpu_src2 = gen_load_gpr(dc, rs2);
4100                     cpu_tmp0 = get_temp_tl(dc);
4101                     if (insn & (1 << 12)) {
4102                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
4103                         tcg_gen_sar_i64(cpu_dst, cpu_src1, cpu_tmp0);
4104                     } else {
4105                         tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
4106                         tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
4107                         tcg_gen_sar_i64(cpu_dst, cpu_dst, cpu_tmp0);
4108                     }
4109                 }
4110                 gen_store_gpr(dc, rd, cpu_dst);
4111 #endif
4112             } else if (xop < 0x36) {
4113                 if (xop < 0x20) {
4114                     cpu_src1 = get_src1(dc, insn);
4115                     cpu_src2 = get_src2(dc, insn);
4116                     switch (xop & ~0x10) {
4117                     case 0x0: /* add */
4118                         if (xop & 0x10) {
4119                             gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4120                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4121                             dc->cc_op = CC_OP_ADD;
4122                         } else {
4123                             tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4124                         }
4125                         break;
4126                     case 0x1: /* and */
4127                         tcg_gen_and_tl(cpu_dst, cpu_src1, cpu_src2);
4128                         if (xop & 0x10) {
4129                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4130                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4131                             dc->cc_op = CC_OP_LOGIC;
4132                         }
4133                         break;
4134                     case 0x2: /* or */
4135                         tcg_gen_or_tl(cpu_dst, cpu_src1, cpu_src2);
4136                         if (xop & 0x10) {
4137                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4138                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4139                             dc->cc_op = CC_OP_LOGIC;
4140                         }
4141                         break;
4142                     case 0x3: /* xor */
4143                         tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
4144                         if (xop & 0x10) {
4145                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4146                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4147                             dc->cc_op = CC_OP_LOGIC;
4148                         }
4149                         break;
4150                     case 0x4: /* sub */
4151                         if (xop & 0x10) {
4152                             gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4153                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
4154                             dc->cc_op = CC_OP_SUB;
4155                         } else {
4156                             tcg_gen_sub_tl(cpu_dst, cpu_src1, cpu_src2);
4157                         }
4158                         break;
4159                     case 0x5: /* andn */
4160                         tcg_gen_andc_tl(cpu_dst, cpu_src1, cpu_src2);
4161                         if (xop & 0x10) {
4162                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4163                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4164                             dc->cc_op = CC_OP_LOGIC;
4165                         }
4166                         break;
4167                     case 0x6: /* orn */
4168                         tcg_gen_orc_tl(cpu_dst, cpu_src1, cpu_src2);
4169                         if (xop & 0x10) {
4170                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4171                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4172                             dc->cc_op = CC_OP_LOGIC;
4173                         }
4174                         break;
4175                     case 0x7: /* xorn */
4176                         tcg_gen_eqv_tl(cpu_dst, cpu_src1, cpu_src2);
4177                         if (xop & 0x10) {
4178                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4179                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4180                             dc->cc_op = CC_OP_LOGIC;
4181                         }
4182                         break;
4183                     case 0x8: /* addx, V9 addc */
4184                         gen_op_addx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4185                                         (xop & 0x10));
4186                         break;
4187 #ifdef TARGET_SPARC64
4188                     case 0x9: /* V9 mulx */
4189                         tcg_gen_mul_i64(cpu_dst, cpu_src1, cpu_src2);
4190                         break;
4191 #endif
4192                     case 0xa: /* umul */
4193                         CHECK_IU_FEATURE(dc, MUL);
4194                         gen_op_umul(cpu_dst, cpu_src1, cpu_src2);
4195                         if (xop & 0x10) {
4196                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4197                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4198                             dc->cc_op = CC_OP_LOGIC;
4199                         }
4200                         break;
4201                     case 0xb: /* smul */
4202                         CHECK_IU_FEATURE(dc, MUL);
4203                         gen_op_smul(cpu_dst, cpu_src1, cpu_src2);
4204                         if (xop & 0x10) {
4205                             tcg_gen_mov_tl(cpu_cc_dst, cpu_dst);
4206                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
4207                             dc->cc_op = CC_OP_LOGIC;
4208                         }
4209                         break;
4210                     case 0xc: /* subx, V9 subc */
4211                         gen_op_subx_int(dc, cpu_dst, cpu_src1, cpu_src2,
4212                                         (xop & 0x10));
4213                         break;
4214 #ifdef TARGET_SPARC64
4215                     case 0xd: /* V9 udivx */
4216                         gen_helper_udivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4217                         break;
4218 #endif
4219                     case 0xe: /* udiv */
4220                         CHECK_IU_FEATURE(dc, DIV);
4221                         if (xop & 0x10) {
4222                             gen_helper_udiv_cc(cpu_dst, cpu_env, cpu_src1,
4223                                                cpu_src2);
4224                             dc->cc_op = CC_OP_DIV;
4225                         } else {
4226                             gen_helper_udiv(cpu_dst, cpu_env, cpu_src1,
4227                                             cpu_src2);
4228                         }
4229                         break;
4230                     case 0xf: /* sdiv */
4231                         CHECK_IU_FEATURE(dc, DIV);
4232                         if (xop & 0x10) {
4233                             gen_helper_sdiv_cc(cpu_dst, cpu_env, cpu_src1,
4234                                                cpu_src2);
4235                             dc->cc_op = CC_OP_DIV;
4236                         } else {
4237                             gen_helper_sdiv(cpu_dst, cpu_env, cpu_src1,
4238                                             cpu_src2);
4239                         }
4240                         break;
4241                     default:
4242                         goto illegal_insn;
4243                     }
4244                     gen_store_gpr(dc, rd, cpu_dst);
4245                 } else {
4246                     cpu_src1 = get_src1(dc, insn);
4247                     cpu_src2 = get_src2(dc, insn);
4248                     switch (xop) {
4249                     case 0x20: /* taddcc */
4250                         gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
4251                         gen_store_gpr(dc, rd, cpu_dst);
4252                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
4253                         dc->cc_op = CC_OP_TADD;
4254                         break;
4255                     case 0x21: /* tsubcc */
4256                         gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
4257                         gen_store_gpr(dc, rd, cpu_dst);
4258                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
4259                         dc->cc_op = CC_OP_TSUB;
4260                         break;
4261                     case 0x22: /* taddcctv */
4262                         gen_helper_taddcctv(cpu_dst, cpu_env,
4263                                             cpu_src1, cpu_src2);
4264                         gen_store_gpr(dc, rd, cpu_dst);
4265                         dc->cc_op = CC_OP_TADDTV;
4266                         break;
4267                     case 0x23: /* tsubcctv */
4268                         gen_helper_tsubcctv(cpu_dst, cpu_env,
4269                                             cpu_src1, cpu_src2);
4270                         gen_store_gpr(dc, rd, cpu_dst);
4271                         dc->cc_op = CC_OP_TSUBTV;
4272                         break;
4273                     case 0x24: /* mulscc */
4274                         update_psr(dc);
4275                         gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
4276                         gen_store_gpr(dc, rd, cpu_dst);
4277                         tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
4278                         dc->cc_op = CC_OP_ADD;
4279                         break;
4280 #ifndef TARGET_SPARC64
4281                     case 0x25:  /* sll */
4282                         if (IS_IMM) { /* immediate */
4283                             simm = GET_FIELDs(insn, 20, 31);
4284                             tcg_gen_shli_tl(cpu_dst, cpu_src1, simm & 0x1f);
4285                         } else { /* register */
4286                             cpu_tmp0 = get_temp_tl(dc);
4287                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4288                             tcg_gen_shl_tl(cpu_dst, cpu_src1, cpu_tmp0);
4289                         }
4290                         gen_store_gpr(dc, rd, cpu_dst);
4291                         break;
4292                     case 0x26:  /* srl */
4293                         if (IS_IMM) { /* immediate */
4294                             simm = GET_FIELDs(insn, 20, 31);
4295                             tcg_gen_shri_tl(cpu_dst, cpu_src1, simm & 0x1f);
4296                         } else { /* register */
4297                             cpu_tmp0 = get_temp_tl(dc);
4298                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4299                             tcg_gen_shr_tl(cpu_dst, cpu_src1, cpu_tmp0);
4300                         }
4301                         gen_store_gpr(dc, rd, cpu_dst);
4302                         break;
4303                     case 0x27:  /* sra */
4304                         if (IS_IMM) { /* immediate */
4305                             simm = GET_FIELDs(insn, 20, 31);
4306                             tcg_gen_sari_tl(cpu_dst, cpu_src1, simm & 0x1f);
4307                         } else { /* register */
4308                             cpu_tmp0 = get_temp_tl(dc);
4309                             tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
4310                             tcg_gen_sar_tl(cpu_dst, cpu_src1, cpu_tmp0);
4311                         }
4312                         gen_store_gpr(dc, rd, cpu_dst);
4313                         break;
4314 #endif
4315                     case 0x30:
4316                         {
4317                             cpu_tmp0 = get_temp_tl(dc);
4318                             switch(rd) {
4319                             case 0: /* wry */
4320                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4321                                 tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
4322                                 break;
4323 #ifndef TARGET_SPARC64
4324                             case 0x01 ... 0x0f: /* undefined in the
4325                                                    SPARCv8 manual, nop
4326                                                    on the microSPARC
4327                                                    II */
4328                             case 0x10 ... 0x1f: /* implementation-dependent
4329                                                    in the SPARCv8
4330                                                    manual, nop on the
4331                                                    microSPARC II */
4332                                 if ((rd == 0x13) && (dc->def->features &
4333                                                      CPU_FEATURE_POWERDOWN)) {
4334                                     /* LEON3 power-down */
4335                                     save_state(dc);
4336                                     gen_helper_power_down(cpu_env);
4337                                 }
4338                                 break;
4339 #else
4340                             case 0x2: /* V9 wrccr */
4341                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4342                                 gen_helper_wrccr(cpu_env, cpu_tmp0);
4343                                 tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4344                                 dc->cc_op = CC_OP_FLAGS;
4345                                 break;
4346                             case 0x3: /* V9 wrasi */
4347                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4348                                 tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xff);
4349                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4350                                                 offsetof(CPUSPARCState, asi));
4351                                 /* End TB to notice changed ASI.  */
4352                                 save_state(dc);
4353                                 gen_op_next_insn();
4354                                 tcg_gen_exit_tb(NULL, 0);
4355                                 dc->base.is_jmp = DISAS_NORETURN;
4356                                 break;
4357                             case 0x6: /* V9 wrfprs */
4358                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4359                                 tcg_gen_trunc_tl_i32(cpu_fprs, cpu_tmp0);
4360                                 dc->fprs_dirty = 0;
4361                                 save_state(dc);
4362                                 gen_op_next_insn();
4363                                 tcg_gen_exit_tb(NULL, 0);
4364                                 dc->base.is_jmp = DISAS_NORETURN;
4365                                 break;
4366                             case 0xf: /* V9 sir, nop if user */
4367 #if !defined(CONFIG_USER_ONLY)
4368                                 if (supervisor(dc)) {
4369                                     ; // XXX
4370                                 }
4371 #endif
4372                                 break;
4373                             case 0x13: /* Graphics Status */
4374                                 if (gen_trap_ifnofpu(dc)) {
4375                                     goto jmp_insn;
4376                                 }
4377                                 tcg_gen_xor_tl(cpu_gsr, cpu_src1, cpu_src2);
4378                                 break;
4379                             case 0x14: /* Softint set */
4380                                 if (!supervisor(dc))
4381                                     goto illegal_insn;
4382                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4383                                 gen_helper_set_softint(cpu_env, cpu_tmp0);
4384                                 break;
4385                             case 0x15: /* Softint clear */
4386                                 if (!supervisor(dc))
4387                                     goto illegal_insn;
4388                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4389                                 gen_helper_clear_softint(cpu_env, cpu_tmp0);
4390                                 break;
4391                             case 0x16: /* Softint write */
4392                                 if (!supervisor(dc))
4393                                     goto illegal_insn;
4394                                 tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4395                                 gen_helper_write_softint(cpu_env, cpu_tmp0);
4396                                 break;
4397                             case 0x17: /* Tick compare */
4398 #if !defined(CONFIG_USER_ONLY)
4399                                 if (!supervisor(dc))
4400                                     goto illegal_insn;
4401 #endif
4402                                 {
4403                                     TCGv_ptr r_tickptr;
4404 
4405                                     tcg_gen_xor_tl(cpu_tick_cmpr, cpu_src1,
4406                                                    cpu_src2);
4407                                     r_tickptr = tcg_temp_new_ptr();
4408                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4409                                                    offsetof(CPUSPARCState, tick));
4410                                     if (tb_cflags(dc->base.tb) &
4411                                            CF_USE_ICOUNT) {
4412                                         gen_io_start();
4413                                     }
4414                                     gen_helper_tick_set_limit(r_tickptr,
4415                                                               cpu_tick_cmpr);
4416                                     tcg_temp_free_ptr(r_tickptr);
4417                                     /* End TB to handle timer interrupt */
4418                                     dc->base.is_jmp = DISAS_EXIT;
4419                                 }
4420                                 break;
4421                             case 0x18: /* System tick */
4422 #if !defined(CONFIG_USER_ONLY)
4423                                 if (!supervisor(dc))
4424                                     goto illegal_insn;
4425 #endif
4426                                 {
4427                                     TCGv_ptr r_tickptr;
4428 
4429                                     tcg_gen_xor_tl(cpu_tmp0, cpu_src1,
4430                                                    cpu_src2);
4431                                     r_tickptr = tcg_temp_new_ptr();
4432                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4433                                                    offsetof(CPUSPARCState, stick));
4434                                     if (tb_cflags(dc->base.tb) &
4435                                            CF_USE_ICOUNT) {
4436                                         gen_io_start();
4437                                     }
4438                                     gen_helper_tick_set_count(r_tickptr,
4439                                                               cpu_tmp0);
4440                                     tcg_temp_free_ptr(r_tickptr);
4441                                     /* End TB to handle timer interrupt */
4442                                     dc->base.is_jmp = DISAS_EXIT;
4443                                 }
4444                                 break;
4445                             case 0x19: /* System tick compare */
4446 #if !defined(CONFIG_USER_ONLY)
4447                                 if (!supervisor(dc))
4448                                     goto illegal_insn;
4449 #endif
4450                                 {
4451                                     TCGv_ptr r_tickptr;
4452 
4453                                     tcg_gen_xor_tl(cpu_stick_cmpr, cpu_src1,
4454                                                    cpu_src2);
4455                                     r_tickptr = tcg_temp_new_ptr();
4456                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4457                                                    offsetof(CPUSPARCState, stick));
4458                                     if (tb_cflags(dc->base.tb) &
4459                                            CF_USE_ICOUNT) {
4460                                         gen_io_start();
4461                                     }
4462                                     gen_helper_tick_set_limit(r_tickptr,
4463                                                               cpu_stick_cmpr);
4464                                     tcg_temp_free_ptr(r_tickptr);
4465                                     /* End TB to handle timer interrupt */
4466                                     dc->base.is_jmp = DISAS_EXIT;
4467                                 }
4468                                 break;
4469 
4470                             case 0x10: /* Performance Control */
4471                             case 0x11: /* Performance Instrumentation
4472                                           Counter */
4473                             case 0x12: /* Dispatch Control */
4474 #endif
4475                             default:
4476                                 goto illegal_insn;
4477                             }
4478                         }
4479                         break;
4480 #if !defined(CONFIG_USER_ONLY)
4481                     case 0x31: /* wrpsr, V9 saved, restored */
4482                         {
4483                             if (!supervisor(dc))
4484                                 goto priv_insn;
4485 #ifdef TARGET_SPARC64
4486                             switch (rd) {
4487                             case 0:
4488                                 gen_helper_saved(cpu_env);
4489                                 break;
4490                             case 1:
4491                                 gen_helper_restored(cpu_env);
4492                                 break;
4493                             case 2: /* UA2005 allclean */
4494                             case 3: /* UA2005 otherw */
4495                             case 4: /* UA2005 normalw */
4496                             case 5: /* UA2005 invalw */
4497                                 // XXX
4498                             default:
4499                                 goto illegal_insn;
4500                             }
4501 #else
4502                             cpu_tmp0 = get_temp_tl(dc);
4503                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4504                             gen_helper_wrpsr(cpu_env, cpu_tmp0);
4505                             tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
4506                             dc->cc_op = CC_OP_FLAGS;
4507                             save_state(dc);
4508                             gen_op_next_insn();
4509                             tcg_gen_exit_tb(NULL, 0);
4510                             dc->base.is_jmp = DISAS_NORETURN;
4511 #endif
4512                         }
4513                         break;
4514                     case 0x32: /* wrwim, V9 wrpr */
4515                         {
4516                             if (!supervisor(dc))
4517                                 goto priv_insn;
4518                             cpu_tmp0 = get_temp_tl(dc);
4519                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4520 #ifdef TARGET_SPARC64
4521                             switch (rd) {
4522                             case 0: // tpc
4523                                 {
4524                                     TCGv_ptr r_tsptr;
4525 
4526                                     r_tsptr = tcg_temp_new_ptr();
4527                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4528                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4529                                                   offsetof(trap_state, tpc));
4530                                     tcg_temp_free_ptr(r_tsptr);
4531                                 }
4532                                 break;
4533                             case 1: // tnpc
4534                                 {
4535                                     TCGv_ptr r_tsptr;
4536 
4537                                     r_tsptr = tcg_temp_new_ptr();
4538                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4539                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4540                                                   offsetof(trap_state, tnpc));
4541                                     tcg_temp_free_ptr(r_tsptr);
4542                                 }
4543                                 break;
4544                             case 2: // tstate
4545                                 {
4546                                     TCGv_ptr r_tsptr;
4547 
4548                                     r_tsptr = tcg_temp_new_ptr();
4549                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4550                                     tcg_gen_st_tl(cpu_tmp0, r_tsptr,
4551                                                   offsetof(trap_state,
4552                                                            tstate));
4553                                     tcg_temp_free_ptr(r_tsptr);
4554                                 }
4555                                 break;
4556                             case 3: // tt
4557                                 {
4558                                     TCGv_ptr r_tsptr;
4559 
4560                                     r_tsptr = tcg_temp_new_ptr();
4561                                     gen_load_trap_state_at_tl(r_tsptr, cpu_env);
4562                                     tcg_gen_st32_tl(cpu_tmp0, r_tsptr,
4563                                                     offsetof(trap_state, tt));
4564                                     tcg_temp_free_ptr(r_tsptr);
4565                                 }
4566                                 break;
4567                             case 4: // tick
4568                                 {
4569                                     TCGv_ptr r_tickptr;
4570 
4571                                     r_tickptr = tcg_temp_new_ptr();
4572                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4573                                                    offsetof(CPUSPARCState, tick));
4574                                     if (tb_cflags(dc->base.tb) &
4575                                            CF_USE_ICOUNT) {
4576                                         gen_io_start();
4577                                     }
4578                                     gen_helper_tick_set_count(r_tickptr,
4579                                                               cpu_tmp0);
4580                                     tcg_temp_free_ptr(r_tickptr);
4581                                     /* End TB to handle timer interrupt */
4582                                     dc->base.is_jmp = DISAS_EXIT;
4583                                 }
4584                                 break;
4585                             case 5: // tba
4586                                 tcg_gen_mov_tl(cpu_tbr, cpu_tmp0);
4587                                 break;
4588                             case 6: // pstate
4589                                 save_state(dc);
4590                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4591                                     gen_io_start();
4592                                 }
4593                                 gen_helper_wrpstate(cpu_env, cpu_tmp0);
4594                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4595                                     gen_io_end();
4596                                 }
4597                                 dc->npc = DYNAMIC_PC;
4598                                 break;
4599                             case 7: // tl
4600                                 save_state(dc);
4601                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4602                                                offsetof(CPUSPARCState, tl));
4603                                 dc->npc = DYNAMIC_PC;
4604                                 break;
4605                             case 8: // pil
4606                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4607                                     gen_io_start();
4608                                 }
4609                                 gen_helper_wrpil(cpu_env, cpu_tmp0);
4610                                 if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
4611                                     gen_io_end();
4612                                 }
4613                                 break;
4614                             case 9: // cwp
4615                                 gen_helper_wrcwp(cpu_env, cpu_tmp0);
4616                                 break;
4617                             case 10: // cansave
4618                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4619                                                 offsetof(CPUSPARCState,
4620                                                          cansave));
4621                                 break;
4622                             case 11: // canrestore
4623                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4624                                                 offsetof(CPUSPARCState,
4625                                                          canrestore));
4626                                 break;
4627                             case 12: // cleanwin
4628                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4629                                                 offsetof(CPUSPARCState,
4630                                                          cleanwin));
4631                                 break;
4632                             case 13: // otherwin
4633                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4634                                                 offsetof(CPUSPARCState,
4635                                                          otherwin));
4636                                 break;
4637                             case 14: // wstate
4638                                 tcg_gen_st32_tl(cpu_tmp0, cpu_env,
4639                                                 offsetof(CPUSPARCState,
4640                                                          wstate));
4641                                 break;
4642                             case 16: // UA2005 gl
4643                                 CHECK_IU_FEATURE(dc, GL);
4644                                 gen_helper_wrgl(cpu_env, cpu_tmp0);
4645                                 break;
4646                             case 26: // UA2005 strand status
4647                                 CHECK_IU_FEATURE(dc, HYPV);
4648                                 if (!hypervisor(dc))
4649                                     goto priv_insn;
4650                                 tcg_gen_mov_tl(cpu_ssr, cpu_tmp0);
4651                                 break;
4652                             default:
4653                                 goto illegal_insn;
4654                             }
4655 #else
4656                             tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0);
4657                             if (dc->def->nwindows != 32) {
4658                                 tcg_gen_andi_tl(cpu_wim, cpu_wim,
4659                                                 (1 << dc->def->nwindows) - 1);
4660                             }
4661 #endif
4662                         }
4663                         break;
4664                     case 0x33: /* wrtbr, UA2005 wrhpr */
4665                         {
4666 #ifndef TARGET_SPARC64
4667                             if (!supervisor(dc))
4668                                 goto priv_insn;
4669                             tcg_gen_xor_tl(cpu_tbr, cpu_src1, cpu_src2);
4670 #else
4671                             CHECK_IU_FEATURE(dc, HYPV);
4672                             if (!hypervisor(dc))
4673                                 goto priv_insn;
4674                             cpu_tmp0 = get_temp_tl(dc);
4675                             tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
4676                             switch (rd) {
4677                             case 0: // hpstate
4678                                 tcg_gen_st_i64(cpu_tmp0, cpu_env,
4679                                                offsetof(CPUSPARCState,
4680                                                         hpstate));
4681                                 save_state(dc);
4682                                 gen_op_next_insn();
4683                                 tcg_gen_exit_tb(NULL, 0);
4684                                 dc->base.is_jmp = DISAS_NORETURN;
4685                                 break;
4686                             case 1: // htstate
4687                                 // XXX gen_op_wrhtstate();
4688                                 break;
4689                             case 3: // hintp
4690                                 tcg_gen_mov_tl(cpu_hintp, cpu_tmp0);
4691                                 break;
4692                             case 5: // htba
4693                                 tcg_gen_mov_tl(cpu_htba, cpu_tmp0);
4694                                 break;
4695                             case 31: // hstick_cmpr
4696                                 {
4697                                     TCGv_ptr r_tickptr;
4698 
4699                                     tcg_gen_mov_tl(cpu_hstick_cmpr, cpu_tmp0);
4700                                     r_tickptr = tcg_temp_new_ptr();
4701                                     tcg_gen_ld_ptr(r_tickptr, cpu_env,
4702                                                    offsetof(CPUSPARCState, hstick));
4703                                     if (tb_cflags(dc->base.tb) &
4704                                            CF_USE_ICOUNT) {
4705                                         gen_io_start();
4706                                     }
4707                                     gen_helper_tick_set_limit(r_tickptr,
4708                                                               cpu_hstick_cmpr);
4709                                     tcg_temp_free_ptr(r_tickptr);
4710                                     if (tb_cflags(dc->base.tb) &
4711                                            CF_USE_ICOUNT) {
4712                                         gen_io_end();
4713                                     }
4714                                     /* End TB to handle timer interrupt */
4715                                     dc->base.is_jmp = DISAS_EXIT;
4716                                 }
4717                                 break;
4718                             case 6: // hver readonly
4719                             default:
4720                                 goto illegal_insn;
4721                             }
4722 #endif
4723                         }
4724                         break;
4725 #endif
4726 #ifdef TARGET_SPARC64
4727                     case 0x2c: /* V9 movcc */
4728                         {
4729                             int cc = GET_FIELD_SP(insn, 11, 12);
4730                             int cond = GET_FIELD_SP(insn, 14, 17);
4731                             DisasCompare cmp;
4732                             TCGv dst;
4733 
4734                             if (insn & (1 << 18)) {
4735                                 if (cc == 0) {
4736                                     gen_compare(&cmp, 0, cond, dc);
4737                                 } else if (cc == 2) {
4738                                     gen_compare(&cmp, 1, cond, dc);
4739                                 } else {
4740                                     goto illegal_insn;
4741                                 }
4742                             } else {
4743                                 gen_fcompare(&cmp, cc, cond);
4744                             }
4745 
4746                             /* The get_src2 above loaded the normal 13-bit
4747                                immediate field, not the 11-bit field we have
4748                                in movcc.  But it did handle the reg case.  */
4749                             if (IS_IMM) {
4750                                 simm = GET_FIELD_SPs(insn, 0, 10);
4751                                 tcg_gen_movi_tl(cpu_src2, simm);
4752                             }
4753 
4754                             dst = gen_load_gpr(dc, rd);
4755                             tcg_gen_movcond_tl(cmp.cond, dst,
4756                                                cmp.c1, cmp.c2,
4757                                                cpu_src2, dst);
4758                             free_compare(&cmp);
4759                             gen_store_gpr(dc, rd, dst);
4760                             break;
4761                         }
4762                     case 0x2d: /* V9 sdivx */
4763                         gen_helper_sdivx(cpu_dst, cpu_env, cpu_src1, cpu_src2);
4764                         gen_store_gpr(dc, rd, cpu_dst);
4765                         break;
4766                     case 0x2e: /* V9 popc */
4767                         tcg_gen_ctpop_tl(cpu_dst, cpu_src2);
4768                         gen_store_gpr(dc, rd, cpu_dst);
4769                         break;
4770                     case 0x2f: /* V9 movr */
4771                         {
4772                             int cond = GET_FIELD_SP(insn, 10, 12);
4773                             DisasCompare cmp;
4774                             TCGv dst;
4775 
4776                             gen_compare_reg(&cmp, cond, cpu_src1);
4777 
4778                             /* The get_src2 above loaded the normal 13-bit
4779                                immediate field, not the 10-bit field we have
4780                                in movr.  But it did handle the reg case.  */
4781                             if (IS_IMM) {
4782                                 simm = GET_FIELD_SPs(insn, 0, 9);
4783                                 tcg_gen_movi_tl(cpu_src2, simm);
4784                             }
4785 
4786                             dst = gen_load_gpr(dc, rd);
4787                             tcg_gen_movcond_tl(cmp.cond, dst,
4788                                                cmp.c1, cmp.c2,
4789                                                cpu_src2, dst);
4790                             free_compare(&cmp);
4791                             gen_store_gpr(dc, rd, dst);
4792                             break;
4793                         }
4794 #endif
4795                     default:
4796                         goto illegal_insn;
4797                     }
4798                 }
4799             } else if (xop == 0x36) { /* UltraSparc shutdown, VIS, V8 CPop1 */
4800 #ifdef TARGET_SPARC64
4801                 int opf = GET_FIELD_SP(insn, 5, 13);
4802                 rs1 = GET_FIELD(insn, 13, 17);
4803                 rs2 = GET_FIELD(insn, 27, 31);
4804                 if (gen_trap_ifnofpu(dc)) {
4805                     goto jmp_insn;
4806                 }
4807 
4808                 switch (opf) {
4809                 case 0x000: /* VIS I edge8cc */
4810                     CHECK_FPU_FEATURE(dc, VIS1);
4811                     cpu_src1 = gen_load_gpr(dc, rs1);
4812                     cpu_src2 = gen_load_gpr(dc, rs2);
4813                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 0);
4814                     gen_store_gpr(dc, rd, cpu_dst);
4815                     break;
4816                 case 0x001: /* VIS II edge8n */
4817                     CHECK_FPU_FEATURE(dc, VIS2);
4818                     cpu_src1 = gen_load_gpr(dc, rs1);
4819                     cpu_src2 = gen_load_gpr(dc, rs2);
4820                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 0);
4821                     gen_store_gpr(dc, rd, cpu_dst);
4822                     break;
4823                 case 0x002: /* VIS I edge8lcc */
4824                     CHECK_FPU_FEATURE(dc, VIS1);
4825                     cpu_src1 = gen_load_gpr(dc, rs1);
4826                     cpu_src2 = gen_load_gpr(dc, rs2);
4827                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 1);
4828                     gen_store_gpr(dc, rd, cpu_dst);
4829                     break;
4830                 case 0x003: /* VIS II edge8ln */
4831                     CHECK_FPU_FEATURE(dc, VIS2);
4832                     cpu_src1 = gen_load_gpr(dc, rs1);
4833                     cpu_src2 = gen_load_gpr(dc, rs2);
4834                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 1);
4835                     gen_store_gpr(dc, rd, cpu_dst);
4836                     break;
4837                 case 0x004: /* VIS I edge16cc */
4838                     CHECK_FPU_FEATURE(dc, VIS1);
4839                     cpu_src1 = gen_load_gpr(dc, rs1);
4840                     cpu_src2 = gen_load_gpr(dc, rs2);
4841                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 0);
4842                     gen_store_gpr(dc, rd, cpu_dst);
4843                     break;
4844                 case 0x005: /* VIS II edge16n */
4845                     CHECK_FPU_FEATURE(dc, VIS2);
4846                     cpu_src1 = gen_load_gpr(dc, rs1);
4847                     cpu_src2 = gen_load_gpr(dc, rs2);
4848                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 0);
4849                     gen_store_gpr(dc, rd, cpu_dst);
4850                     break;
4851                 case 0x006: /* VIS I edge16lcc */
4852                     CHECK_FPU_FEATURE(dc, VIS1);
4853                     cpu_src1 = gen_load_gpr(dc, rs1);
4854                     cpu_src2 = gen_load_gpr(dc, rs2);
4855                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 1);
4856                     gen_store_gpr(dc, rd, cpu_dst);
4857                     break;
4858                 case 0x007: /* VIS II edge16ln */
4859                     CHECK_FPU_FEATURE(dc, VIS2);
4860                     cpu_src1 = gen_load_gpr(dc, rs1);
4861                     cpu_src2 = gen_load_gpr(dc, rs2);
4862                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 1);
4863                     gen_store_gpr(dc, rd, cpu_dst);
4864                     break;
4865                 case 0x008: /* VIS I edge32cc */
4866                     CHECK_FPU_FEATURE(dc, VIS1);
4867                     cpu_src1 = gen_load_gpr(dc, rs1);
4868                     cpu_src2 = gen_load_gpr(dc, rs2);
4869                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 0);
4870                     gen_store_gpr(dc, rd, cpu_dst);
4871                     break;
4872                 case 0x009: /* VIS II edge32n */
4873                     CHECK_FPU_FEATURE(dc, VIS2);
4874                     cpu_src1 = gen_load_gpr(dc, rs1);
4875                     cpu_src2 = gen_load_gpr(dc, rs2);
4876                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 0);
4877                     gen_store_gpr(dc, rd, cpu_dst);
4878                     break;
4879                 case 0x00a: /* VIS I edge32lcc */
4880                     CHECK_FPU_FEATURE(dc, VIS1);
4881                     cpu_src1 = gen_load_gpr(dc, rs1);
4882                     cpu_src2 = gen_load_gpr(dc, rs2);
4883                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 1);
4884                     gen_store_gpr(dc, rd, cpu_dst);
4885                     break;
4886                 case 0x00b: /* VIS II edge32ln */
4887                     CHECK_FPU_FEATURE(dc, VIS2);
4888                     cpu_src1 = gen_load_gpr(dc, rs1);
4889                     cpu_src2 = gen_load_gpr(dc, rs2);
4890                     gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 1);
4891                     gen_store_gpr(dc, rd, cpu_dst);
4892                     break;
4893                 case 0x010: /* VIS I array8 */
4894                     CHECK_FPU_FEATURE(dc, VIS1);
4895                     cpu_src1 = gen_load_gpr(dc, rs1);
4896                     cpu_src2 = gen_load_gpr(dc, rs2);
4897                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4898                     gen_store_gpr(dc, rd, cpu_dst);
4899                     break;
4900                 case 0x012: /* VIS I array16 */
4901                     CHECK_FPU_FEATURE(dc, VIS1);
4902                     cpu_src1 = gen_load_gpr(dc, rs1);
4903                     cpu_src2 = gen_load_gpr(dc, rs2);
4904                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4905                     tcg_gen_shli_i64(cpu_dst, cpu_dst, 1);
4906                     gen_store_gpr(dc, rd, cpu_dst);
4907                     break;
4908                 case 0x014: /* VIS I array32 */
4909                     CHECK_FPU_FEATURE(dc, VIS1);
4910                     cpu_src1 = gen_load_gpr(dc, rs1);
4911                     cpu_src2 = gen_load_gpr(dc, rs2);
4912                     gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
4913                     tcg_gen_shli_i64(cpu_dst, cpu_dst, 2);
4914                     gen_store_gpr(dc, rd, cpu_dst);
4915                     break;
4916                 case 0x018: /* VIS I alignaddr */
4917                     CHECK_FPU_FEATURE(dc, VIS1);
4918                     cpu_src1 = gen_load_gpr(dc, rs1);
4919                     cpu_src2 = gen_load_gpr(dc, rs2);
4920                     gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 0);
4921                     gen_store_gpr(dc, rd, cpu_dst);
4922                     break;
4923                 case 0x01a: /* VIS I alignaddrl */
4924                     CHECK_FPU_FEATURE(dc, VIS1);
4925                     cpu_src1 = gen_load_gpr(dc, rs1);
4926                     cpu_src2 = gen_load_gpr(dc, rs2);
4927                     gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 1);
4928                     gen_store_gpr(dc, rd, cpu_dst);
4929                     break;
4930                 case 0x019: /* VIS II bmask */
4931                     CHECK_FPU_FEATURE(dc, VIS2);
4932                     cpu_src1 = gen_load_gpr(dc, rs1);
4933                     cpu_src2 = gen_load_gpr(dc, rs2);
4934                     tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
4935                     tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, cpu_dst, 32, 32);
4936                     gen_store_gpr(dc, rd, cpu_dst);
4937                     break;
4938                 case 0x020: /* VIS I fcmple16 */
4939                     CHECK_FPU_FEATURE(dc, VIS1);
4940                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4941                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4942                     gen_helper_fcmple16(cpu_dst, cpu_src1_64, cpu_src2_64);
4943                     gen_store_gpr(dc, rd, cpu_dst);
4944                     break;
4945                 case 0x022: /* VIS I fcmpne16 */
4946                     CHECK_FPU_FEATURE(dc, VIS1);
4947                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4948                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4949                     gen_helper_fcmpne16(cpu_dst, cpu_src1_64, cpu_src2_64);
4950                     gen_store_gpr(dc, rd, cpu_dst);
4951                     break;
4952                 case 0x024: /* VIS I fcmple32 */
4953                     CHECK_FPU_FEATURE(dc, VIS1);
4954                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4955                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4956                     gen_helper_fcmple32(cpu_dst, cpu_src1_64, cpu_src2_64);
4957                     gen_store_gpr(dc, rd, cpu_dst);
4958                     break;
4959                 case 0x026: /* VIS I fcmpne32 */
4960                     CHECK_FPU_FEATURE(dc, VIS1);
4961                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4962                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4963                     gen_helper_fcmpne32(cpu_dst, cpu_src1_64, cpu_src2_64);
4964                     gen_store_gpr(dc, rd, cpu_dst);
4965                     break;
4966                 case 0x028: /* VIS I fcmpgt16 */
4967                     CHECK_FPU_FEATURE(dc, VIS1);
4968                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4969                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4970                     gen_helper_fcmpgt16(cpu_dst, cpu_src1_64, cpu_src2_64);
4971                     gen_store_gpr(dc, rd, cpu_dst);
4972                     break;
4973                 case 0x02a: /* VIS I fcmpeq16 */
4974                     CHECK_FPU_FEATURE(dc, VIS1);
4975                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4976                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4977                     gen_helper_fcmpeq16(cpu_dst, cpu_src1_64, cpu_src2_64);
4978                     gen_store_gpr(dc, rd, cpu_dst);
4979                     break;
4980                 case 0x02c: /* VIS I fcmpgt32 */
4981                     CHECK_FPU_FEATURE(dc, VIS1);
4982                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4983                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4984                     gen_helper_fcmpgt32(cpu_dst, cpu_src1_64, cpu_src2_64);
4985                     gen_store_gpr(dc, rd, cpu_dst);
4986                     break;
4987                 case 0x02e: /* VIS I fcmpeq32 */
4988                     CHECK_FPU_FEATURE(dc, VIS1);
4989                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
4990                     cpu_src2_64 = gen_load_fpr_D(dc, rs2);
4991                     gen_helper_fcmpeq32(cpu_dst, cpu_src1_64, cpu_src2_64);
4992                     gen_store_gpr(dc, rd, cpu_dst);
4993                     break;
4994                 case 0x031: /* VIS I fmul8x16 */
4995                     CHECK_FPU_FEATURE(dc, VIS1);
4996                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16);
4997                     break;
4998                 case 0x033: /* VIS I fmul8x16au */
4999                     CHECK_FPU_FEATURE(dc, VIS1);
5000                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16au);
5001                     break;
5002                 case 0x035: /* VIS I fmul8x16al */
5003                     CHECK_FPU_FEATURE(dc, VIS1);
5004                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8x16al);
5005                     break;
5006                 case 0x036: /* VIS I fmul8sux16 */
5007                     CHECK_FPU_FEATURE(dc, VIS1);
5008                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8sux16);
5009                     break;
5010                 case 0x037: /* VIS I fmul8ulx16 */
5011                     CHECK_FPU_FEATURE(dc, VIS1);
5012                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmul8ulx16);
5013                     break;
5014                 case 0x038: /* VIS I fmuld8sux16 */
5015                     CHECK_FPU_FEATURE(dc, VIS1);
5016                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8sux16);
5017                     break;
5018                 case 0x039: /* VIS I fmuld8ulx16 */
5019                     CHECK_FPU_FEATURE(dc, VIS1);
5020                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fmuld8ulx16);
5021                     break;
5022                 case 0x03a: /* VIS I fpack32 */
5023                     CHECK_FPU_FEATURE(dc, VIS1);
5024                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpack32);
5025                     break;
5026                 case 0x03b: /* VIS I fpack16 */
5027                     CHECK_FPU_FEATURE(dc, VIS1);
5028                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5029                     cpu_dst_32 = gen_dest_fpr_F(dc);
5030                     gen_helper_fpack16(cpu_dst_32, cpu_gsr, cpu_src1_64);
5031                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5032                     break;
5033                 case 0x03d: /* VIS I fpackfix */
5034                     CHECK_FPU_FEATURE(dc, VIS1);
5035                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5036                     cpu_dst_32 = gen_dest_fpr_F(dc);
5037                     gen_helper_fpackfix(cpu_dst_32, cpu_gsr, cpu_src1_64);
5038                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5039                     break;
5040                 case 0x03e: /* VIS I pdist */
5041                     CHECK_FPU_FEATURE(dc, VIS1);
5042                     gen_ne_fop_DDDD(dc, rd, rs1, rs2, gen_helper_pdist);
5043                     break;
5044                 case 0x048: /* VIS I faligndata */
5045                     CHECK_FPU_FEATURE(dc, VIS1);
5046                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_faligndata);
5047                     break;
5048                 case 0x04b: /* VIS I fpmerge */
5049                     CHECK_FPU_FEATURE(dc, VIS1);
5050                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpmerge);
5051                     break;
5052                 case 0x04c: /* VIS II bshuffle */
5053                     CHECK_FPU_FEATURE(dc, VIS2);
5054                     gen_gsr_fop_DDD(dc, rd, rs1, rs2, gen_helper_bshuffle);
5055                     break;
5056                 case 0x04d: /* VIS I fexpand */
5057                     CHECK_FPU_FEATURE(dc, VIS1);
5058                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fexpand);
5059                     break;
5060                 case 0x050: /* VIS I fpadd16 */
5061                     CHECK_FPU_FEATURE(dc, VIS1);
5062                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd16);
5063                     break;
5064                 case 0x051: /* VIS I fpadd16s */
5065                     CHECK_FPU_FEATURE(dc, VIS1);
5066                     gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpadd16s);
5067                     break;
5068                 case 0x052: /* VIS I fpadd32 */
5069                     CHECK_FPU_FEATURE(dc, VIS1);
5070                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpadd32);
5071                     break;
5072                 case 0x053: /* VIS I fpadd32s */
5073                     CHECK_FPU_FEATURE(dc, VIS1);
5074                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_add_i32);
5075                     break;
5076                 case 0x054: /* VIS I fpsub16 */
5077                     CHECK_FPU_FEATURE(dc, VIS1);
5078                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub16);
5079                     break;
5080                 case 0x055: /* VIS I fpsub16s */
5081                     CHECK_FPU_FEATURE(dc, VIS1);
5082                     gen_ne_fop_FFF(dc, rd, rs1, rs2, gen_helper_fpsub16s);
5083                     break;
5084                 case 0x056: /* VIS I fpsub32 */
5085                     CHECK_FPU_FEATURE(dc, VIS1);
5086                     gen_ne_fop_DDD(dc, rd, rs1, rs2, gen_helper_fpsub32);
5087                     break;
5088                 case 0x057: /* VIS I fpsub32s */
5089                     CHECK_FPU_FEATURE(dc, VIS1);
5090                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_sub_i32);
5091                     break;
5092                 case 0x060: /* VIS I fzero */
5093                     CHECK_FPU_FEATURE(dc, VIS1);
5094                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5095                     tcg_gen_movi_i64(cpu_dst_64, 0);
5096                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5097                     break;
5098                 case 0x061: /* VIS I fzeros */
5099                     CHECK_FPU_FEATURE(dc, VIS1);
5100                     cpu_dst_32 = gen_dest_fpr_F(dc);
5101                     tcg_gen_movi_i32(cpu_dst_32, 0);
5102                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5103                     break;
5104                 case 0x062: /* VIS I fnor */
5105                     CHECK_FPU_FEATURE(dc, VIS1);
5106                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nor_i64);
5107                     break;
5108                 case 0x063: /* VIS I fnors */
5109                     CHECK_FPU_FEATURE(dc, VIS1);
5110                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nor_i32);
5111                     break;
5112                 case 0x064: /* VIS I fandnot2 */
5113                     CHECK_FPU_FEATURE(dc, VIS1);
5114                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_andc_i64);
5115                     break;
5116                 case 0x065: /* VIS I fandnot2s */
5117                     CHECK_FPU_FEATURE(dc, VIS1);
5118                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_andc_i32);
5119                     break;
5120                 case 0x066: /* VIS I fnot2 */
5121                     CHECK_FPU_FEATURE(dc, VIS1);
5122                     gen_ne_fop_DD(dc, rd, rs2, tcg_gen_not_i64);
5123                     break;
5124                 case 0x067: /* VIS I fnot2s */
5125                     CHECK_FPU_FEATURE(dc, VIS1);
5126                     gen_ne_fop_FF(dc, rd, rs2, tcg_gen_not_i32);
5127                     break;
5128                 case 0x068: /* VIS I fandnot1 */
5129                     CHECK_FPU_FEATURE(dc, VIS1);
5130                     gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_andc_i64);
5131                     break;
5132                 case 0x069: /* VIS I fandnot1s */
5133                     CHECK_FPU_FEATURE(dc, VIS1);
5134                     gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_andc_i32);
5135                     break;
5136                 case 0x06a: /* VIS I fnot1 */
5137                     CHECK_FPU_FEATURE(dc, VIS1);
5138                     gen_ne_fop_DD(dc, rd, rs1, tcg_gen_not_i64);
5139                     break;
5140                 case 0x06b: /* VIS I fnot1s */
5141                     CHECK_FPU_FEATURE(dc, VIS1);
5142                     gen_ne_fop_FF(dc, rd, rs1, tcg_gen_not_i32);
5143                     break;
5144                 case 0x06c: /* VIS I fxor */
5145                     CHECK_FPU_FEATURE(dc, VIS1);
5146                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_xor_i64);
5147                     break;
5148                 case 0x06d: /* VIS I fxors */
5149                     CHECK_FPU_FEATURE(dc, VIS1);
5150                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_xor_i32);
5151                     break;
5152                 case 0x06e: /* VIS I fnand */
5153                     CHECK_FPU_FEATURE(dc, VIS1);
5154                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_nand_i64);
5155                     break;
5156                 case 0x06f: /* VIS I fnands */
5157                     CHECK_FPU_FEATURE(dc, VIS1);
5158                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_nand_i32);
5159                     break;
5160                 case 0x070: /* VIS I fand */
5161                     CHECK_FPU_FEATURE(dc, VIS1);
5162                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_and_i64);
5163                     break;
5164                 case 0x071: /* VIS I fands */
5165                     CHECK_FPU_FEATURE(dc, VIS1);
5166                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_and_i32);
5167                     break;
5168                 case 0x072: /* VIS I fxnor */
5169                     CHECK_FPU_FEATURE(dc, VIS1);
5170                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_eqv_i64);
5171                     break;
5172                 case 0x073: /* VIS I fxnors */
5173                     CHECK_FPU_FEATURE(dc, VIS1);
5174                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_eqv_i32);
5175                     break;
5176                 case 0x074: /* VIS I fsrc1 */
5177                     CHECK_FPU_FEATURE(dc, VIS1);
5178                     cpu_src1_64 = gen_load_fpr_D(dc, rs1);
5179                     gen_store_fpr_D(dc, rd, cpu_src1_64);
5180                     break;
5181                 case 0x075: /* VIS I fsrc1s */
5182                     CHECK_FPU_FEATURE(dc, VIS1);
5183                     cpu_src1_32 = gen_load_fpr_F(dc, rs1);
5184                     gen_store_fpr_F(dc, rd, cpu_src1_32);
5185                     break;
5186                 case 0x076: /* VIS I fornot2 */
5187                     CHECK_FPU_FEATURE(dc, VIS1);
5188                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_orc_i64);
5189                     break;
5190                 case 0x077: /* VIS I fornot2s */
5191                     CHECK_FPU_FEATURE(dc, VIS1);
5192                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_orc_i32);
5193                     break;
5194                 case 0x078: /* VIS I fsrc2 */
5195                     CHECK_FPU_FEATURE(dc, VIS1);
5196                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
5197                     gen_store_fpr_D(dc, rd, cpu_src1_64);
5198                     break;
5199                 case 0x079: /* VIS I fsrc2s */
5200                     CHECK_FPU_FEATURE(dc, VIS1);
5201                     cpu_src1_32 = gen_load_fpr_F(dc, rs2);
5202                     gen_store_fpr_F(dc, rd, cpu_src1_32);
5203                     break;
5204                 case 0x07a: /* VIS I fornot1 */
5205                     CHECK_FPU_FEATURE(dc, VIS1);
5206                     gen_ne_fop_DDD(dc, rd, rs2, rs1, tcg_gen_orc_i64);
5207                     break;
5208                 case 0x07b: /* VIS I fornot1s */
5209                     CHECK_FPU_FEATURE(dc, VIS1);
5210                     gen_ne_fop_FFF(dc, rd, rs2, rs1, tcg_gen_orc_i32);
5211                     break;
5212                 case 0x07c: /* VIS I for */
5213                     CHECK_FPU_FEATURE(dc, VIS1);
5214                     gen_ne_fop_DDD(dc, rd, rs1, rs2, tcg_gen_or_i64);
5215                     break;
5216                 case 0x07d: /* VIS I fors */
5217                     CHECK_FPU_FEATURE(dc, VIS1);
5218                     gen_ne_fop_FFF(dc, rd, rs1, rs2, tcg_gen_or_i32);
5219                     break;
5220                 case 0x07e: /* VIS I fone */
5221                     CHECK_FPU_FEATURE(dc, VIS1);
5222                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5223                     tcg_gen_movi_i64(cpu_dst_64, -1);
5224                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5225                     break;
5226                 case 0x07f: /* VIS I fones */
5227                     CHECK_FPU_FEATURE(dc, VIS1);
5228                     cpu_dst_32 = gen_dest_fpr_F(dc);
5229                     tcg_gen_movi_i32(cpu_dst_32, -1);
5230                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5231                     break;
5232                 case 0x080: /* VIS I shutdown */
5233                 case 0x081: /* VIS II siam */
5234                     // XXX
5235                     goto illegal_insn;
5236                 default:
5237                     goto illegal_insn;
5238                 }
5239 #else
5240                 goto ncp_insn;
5241 #endif
5242             } else if (xop == 0x37) { /* V8 CPop2, V9 impdep2 */
5243 #ifdef TARGET_SPARC64
5244                 goto illegal_insn;
5245 #else
5246                 goto ncp_insn;
5247 #endif
5248 #ifdef TARGET_SPARC64
5249             } else if (xop == 0x39) { /* V9 return */
5250                 save_state(dc);
5251                 cpu_src1 = get_src1(dc, insn);
5252                 cpu_tmp0 = get_temp_tl(dc);
5253                 if (IS_IMM) {   /* immediate */
5254                     simm = GET_FIELDs(insn, 19, 31);
5255                     tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5256                 } else {                /* register */
5257                     rs2 = GET_FIELD(insn, 27, 31);
5258                     if (rs2) {
5259                         cpu_src2 = gen_load_gpr(dc, rs2);
5260                         tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5261                     } else {
5262                         tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5263                     }
5264                 }
5265                 gen_helper_restore(cpu_env);
5266                 gen_mov_pc_npc(dc);
5267                 gen_check_align(cpu_tmp0, 3);
5268                 tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5269                 dc->npc = DYNAMIC_PC;
5270                 goto jmp_insn;
5271 #endif
5272             } else {
5273                 cpu_src1 = get_src1(dc, insn);
5274                 cpu_tmp0 = get_temp_tl(dc);
5275                 if (IS_IMM) {   /* immediate */
5276                     simm = GET_FIELDs(insn, 19, 31);
5277                     tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
5278                 } else {                /* register */
5279                     rs2 = GET_FIELD(insn, 27, 31);
5280                     if (rs2) {
5281                         cpu_src2 = gen_load_gpr(dc, rs2);
5282                         tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
5283                     } else {
5284                         tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
5285                     }
5286                 }
5287                 switch (xop) {
5288                 case 0x38:      /* jmpl */
5289                     {
5290                         TCGv t = gen_dest_gpr(dc, rd);
5291                         tcg_gen_movi_tl(t, dc->pc);
5292                         gen_store_gpr(dc, rd, t);
5293 
5294                         gen_mov_pc_npc(dc);
5295                         gen_check_align(cpu_tmp0, 3);
5296                         gen_address_mask(dc, cpu_tmp0);
5297                         tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5298                         dc->npc = DYNAMIC_PC;
5299                     }
5300                     goto jmp_insn;
5301 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5302                 case 0x39:      /* rett, V9 return */
5303                     {
5304                         if (!supervisor(dc))
5305                             goto priv_insn;
5306                         gen_mov_pc_npc(dc);
5307                         gen_check_align(cpu_tmp0, 3);
5308                         tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
5309                         dc->npc = DYNAMIC_PC;
5310                         gen_helper_rett(cpu_env);
5311                     }
5312                     goto jmp_insn;
5313 #endif
5314                 case 0x3b: /* flush */
5315                     if (!((dc)->def->features & CPU_FEATURE_FLUSH))
5316                         goto unimp_flush;
5317                     /* nop */
5318                     break;
5319                 case 0x3c:      /* save */
5320                     gen_helper_save(cpu_env);
5321                     gen_store_gpr(dc, rd, cpu_tmp0);
5322                     break;
5323                 case 0x3d:      /* restore */
5324                     gen_helper_restore(cpu_env);
5325                     gen_store_gpr(dc, rd, cpu_tmp0);
5326                     break;
5327 #if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
5328                 case 0x3e:      /* V9 done/retry */
5329                     {
5330                         switch (rd) {
5331                         case 0:
5332                             if (!supervisor(dc))
5333                                 goto priv_insn;
5334                             dc->npc = DYNAMIC_PC;
5335                             dc->pc = DYNAMIC_PC;
5336                             if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5337                                 gen_io_start();
5338                             }
5339                             gen_helper_done(cpu_env);
5340                             if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5341                                 gen_io_end();
5342                             }
5343                             goto jmp_insn;
5344                         case 1:
5345                             if (!supervisor(dc))
5346                                 goto priv_insn;
5347                             dc->npc = DYNAMIC_PC;
5348                             dc->pc = DYNAMIC_PC;
5349                             if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5350                                 gen_io_start();
5351                             }
5352                             gen_helper_retry(cpu_env);
5353                             if (tb_cflags(dc->base.tb) & CF_USE_ICOUNT) {
5354                                 gen_io_end();
5355                             }
5356                             goto jmp_insn;
5357                         default:
5358                             goto illegal_insn;
5359                         }
5360                     }
5361                     break;
5362 #endif
5363                 default:
5364                     goto illegal_insn;
5365                 }
5366             }
5367             break;
5368         }
5369         break;
5370     case 3:                     /* load/store instructions */
5371         {
5372             unsigned int xop = GET_FIELD(insn, 7, 12);
5373             /* ??? gen_address_mask prevents us from using a source
5374                register directly.  Always generate a temporary.  */
5375             TCGv cpu_addr = get_temp_tl(dc);
5376 
5377             tcg_gen_mov_tl(cpu_addr, get_src1(dc, insn));
5378             if (xop == 0x3c || xop == 0x3e) {
5379                 /* V9 casa/casxa : no offset */
5380             } else if (IS_IMM) {     /* immediate */
5381                 simm = GET_FIELDs(insn, 19, 31);
5382                 if (simm != 0) {
5383                     tcg_gen_addi_tl(cpu_addr, cpu_addr, simm);
5384                 }
5385             } else {            /* register */
5386                 rs2 = GET_FIELD(insn, 27, 31);
5387                 if (rs2 != 0) {
5388                     tcg_gen_add_tl(cpu_addr, cpu_addr, gen_load_gpr(dc, rs2));
5389                 }
5390             }
5391             if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) ||
5392                 (xop > 0x17 && xop <= 0x1d ) ||
5393                 (xop > 0x2c && xop <= 0x33) || xop == 0x1f || xop == 0x3d) {
5394                 TCGv cpu_val = gen_dest_gpr(dc, rd);
5395 
5396                 switch (xop) {
5397                 case 0x0:       /* ld, V9 lduw, load unsigned word */
5398                     gen_address_mask(dc, cpu_addr);
5399                     tcg_gen_qemu_ld32u(cpu_val, cpu_addr, dc->mem_idx);
5400                     break;
5401                 case 0x1:       /* ldub, load unsigned byte */
5402                     gen_address_mask(dc, cpu_addr);
5403                     tcg_gen_qemu_ld8u(cpu_val, cpu_addr, dc->mem_idx);
5404                     break;
5405                 case 0x2:       /* lduh, load unsigned halfword */
5406                     gen_address_mask(dc, cpu_addr);
5407                     tcg_gen_qemu_ld16u(cpu_val, cpu_addr, dc->mem_idx);
5408                     break;
5409                 case 0x3:       /* ldd, load double word */
5410                     if (rd & 1)
5411                         goto illegal_insn;
5412                     else {
5413                         TCGv_i64 t64;
5414 
5415                         gen_address_mask(dc, cpu_addr);
5416                         t64 = tcg_temp_new_i64();
5417                         tcg_gen_qemu_ld64(t64, cpu_addr, dc->mem_idx);
5418                         tcg_gen_trunc_i64_tl(cpu_val, t64);
5419                         tcg_gen_ext32u_tl(cpu_val, cpu_val);
5420                         gen_store_gpr(dc, rd + 1, cpu_val);
5421                         tcg_gen_shri_i64(t64, t64, 32);
5422                         tcg_gen_trunc_i64_tl(cpu_val, t64);
5423                         tcg_temp_free_i64(t64);
5424                         tcg_gen_ext32u_tl(cpu_val, cpu_val);
5425                     }
5426                     break;
5427                 case 0x9:       /* ldsb, load signed byte */
5428                     gen_address_mask(dc, cpu_addr);
5429                     tcg_gen_qemu_ld8s(cpu_val, cpu_addr, dc->mem_idx);
5430                     break;
5431                 case 0xa:       /* ldsh, load signed halfword */
5432                     gen_address_mask(dc, cpu_addr);
5433                     tcg_gen_qemu_ld16s(cpu_val, cpu_addr, dc->mem_idx);
5434                     break;
5435                 case 0xd:       /* ldstub */
5436                     gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
5437                     break;
5438                 case 0x0f:
5439                     /* swap, swap register with memory. Also atomically */
5440                     CHECK_IU_FEATURE(dc, SWAP);
5441                     cpu_src1 = gen_load_gpr(dc, rd);
5442                     gen_swap(dc, cpu_val, cpu_src1, cpu_addr,
5443                              dc->mem_idx, MO_TEUL);
5444                     break;
5445 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5446                 case 0x10:      /* lda, V9 lduwa, load word alternate */
5447                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5448                     break;
5449                 case 0x11:      /* lduba, load unsigned byte alternate */
5450                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5451                     break;
5452                 case 0x12:      /* lduha, load unsigned halfword alternate */
5453                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5454                     break;
5455                 case 0x13:      /* ldda, load double word alternate */
5456                     if (rd & 1) {
5457                         goto illegal_insn;
5458                     }
5459                     gen_ldda_asi(dc, cpu_addr, insn, rd);
5460                     goto skip_move;
5461                 case 0x19:      /* ldsba, load signed byte alternate */
5462                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_SB);
5463                     break;
5464                 case 0x1a:      /* ldsha, load signed halfword alternate */
5465                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESW);
5466                     break;
5467                 case 0x1d:      /* ldstuba -- XXX: should be atomically */
5468                     gen_ldstub_asi(dc, cpu_val, cpu_addr, insn);
5469                     break;
5470                 case 0x1f:      /* swapa, swap reg with alt. memory. Also
5471                                    atomically */
5472                     CHECK_IU_FEATURE(dc, SWAP);
5473                     cpu_src1 = gen_load_gpr(dc, rd);
5474                     gen_swap_asi(dc, cpu_val, cpu_src1, cpu_addr, insn);
5475                     break;
5476 
5477 #ifndef TARGET_SPARC64
5478                 case 0x30: /* ldc */
5479                 case 0x31: /* ldcsr */
5480                 case 0x33: /* lddc */
5481                     goto ncp_insn;
5482 #endif
5483 #endif
5484 #ifdef TARGET_SPARC64
5485                 case 0x08: /* V9 ldsw */
5486                     gen_address_mask(dc, cpu_addr);
5487                     tcg_gen_qemu_ld32s(cpu_val, cpu_addr, dc->mem_idx);
5488                     break;
5489                 case 0x0b: /* V9 ldx */
5490                     gen_address_mask(dc, cpu_addr);
5491                     tcg_gen_qemu_ld64(cpu_val, cpu_addr, dc->mem_idx);
5492                     break;
5493                 case 0x18: /* V9 ldswa */
5494                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESL);
5495                     break;
5496                 case 0x1b: /* V9 ldxa */
5497                     gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TEQ);
5498                     break;
5499                 case 0x2d: /* V9 prefetch, no effect */
5500                     goto skip_move;
5501                 case 0x30: /* V9 ldfa */
5502                     if (gen_trap_ifnofpu(dc)) {
5503                         goto jmp_insn;
5504                     }
5505                     gen_ldf_asi(dc, cpu_addr, insn, 4, rd);
5506                     gen_update_fprs_dirty(dc, rd);
5507                     goto skip_move;
5508                 case 0x33: /* V9 lddfa */
5509                     if (gen_trap_ifnofpu(dc)) {
5510                         goto jmp_insn;
5511                     }
5512                     gen_ldf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5513                     gen_update_fprs_dirty(dc, DFPREG(rd));
5514                     goto skip_move;
5515                 case 0x3d: /* V9 prefetcha, no effect */
5516                     goto skip_move;
5517                 case 0x32: /* V9 ldqfa */
5518                     CHECK_FPU_FEATURE(dc, FLOAT128);
5519                     if (gen_trap_ifnofpu(dc)) {
5520                         goto jmp_insn;
5521                     }
5522                     gen_ldf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5523                     gen_update_fprs_dirty(dc, QFPREG(rd));
5524                     goto skip_move;
5525 #endif
5526                 default:
5527                     goto illegal_insn;
5528                 }
5529                 gen_store_gpr(dc, rd, cpu_val);
5530 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5531             skip_move: ;
5532 #endif
5533             } else if (xop >= 0x20 && xop < 0x24) {
5534                 if (gen_trap_ifnofpu(dc)) {
5535                     goto jmp_insn;
5536                 }
5537                 switch (xop) {
5538                 case 0x20:      /* ldf, load fpreg */
5539                     gen_address_mask(dc, cpu_addr);
5540                     cpu_dst_32 = gen_dest_fpr_F(dc);
5541                     tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5542                                         dc->mem_idx, MO_TEUL);
5543                     gen_store_fpr_F(dc, rd, cpu_dst_32);
5544                     break;
5545                 case 0x21:      /* ldfsr, V9 ldxfsr */
5546 #ifdef TARGET_SPARC64
5547                     gen_address_mask(dc, cpu_addr);
5548                     if (rd == 1) {
5549                         TCGv_i64 t64 = tcg_temp_new_i64();
5550                         tcg_gen_qemu_ld_i64(t64, cpu_addr,
5551                                             dc->mem_idx, MO_TEQ);
5552                         gen_helper_ldxfsr(cpu_fsr, cpu_env, cpu_fsr, t64);
5553                         tcg_temp_free_i64(t64);
5554                         break;
5555                     }
5556 #endif
5557                     cpu_dst_32 = get_temp_i32(dc);
5558                     tcg_gen_qemu_ld_i32(cpu_dst_32, cpu_addr,
5559                                         dc->mem_idx, MO_TEUL);
5560                     gen_helper_ldfsr(cpu_fsr, cpu_env, cpu_fsr, cpu_dst_32);
5561                     break;
5562                 case 0x22:      /* ldqf, load quad fpreg */
5563                     CHECK_FPU_FEATURE(dc, FLOAT128);
5564                     gen_address_mask(dc, cpu_addr);
5565                     cpu_src1_64 = tcg_temp_new_i64();
5566                     tcg_gen_qemu_ld_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5567                                         MO_TEQ | MO_ALIGN_4);
5568                     tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5569                     cpu_src2_64 = tcg_temp_new_i64();
5570                     tcg_gen_qemu_ld_i64(cpu_src2_64, cpu_addr, dc->mem_idx,
5571                                         MO_TEQ | MO_ALIGN_4);
5572                     gen_store_fpr_Q(dc, rd, cpu_src1_64, cpu_src2_64);
5573                     tcg_temp_free_i64(cpu_src1_64);
5574                     tcg_temp_free_i64(cpu_src2_64);
5575                     break;
5576                 case 0x23:      /* lddf, load double fpreg */
5577                     gen_address_mask(dc, cpu_addr);
5578                     cpu_dst_64 = gen_dest_fpr_D(dc, rd);
5579                     tcg_gen_qemu_ld_i64(cpu_dst_64, cpu_addr, dc->mem_idx,
5580                                         MO_TEQ | MO_ALIGN_4);
5581                     gen_store_fpr_D(dc, rd, cpu_dst_64);
5582                     break;
5583                 default:
5584                     goto illegal_insn;
5585                 }
5586             } else if (xop < 8 || (xop >= 0x14 && xop < 0x18) ||
5587                        xop == 0xe || xop == 0x1e) {
5588                 TCGv cpu_val = gen_load_gpr(dc, rd);
5589 
5590                 switch (xop) {
5591                 case 0x4: /* st, store word */
5592                     gen_address_mask(dc, cpu_addr);
5593                     tcg_gen_qemu_st32(cpu_val, cpu_addr, dc->mem_idx);
5594                     break;
5595                 case 0x5: /* stb, store byte */
5596                     gen_address_mask(dc, cpu_addr);
5597                     tcg_gen_qemu_st8(cpu_val, cpu_addr, dc->mem_idx);
5598                     break;
5599                 case 0x6: /* sth, store halfword */
5600                     gen_address_mask(dc, cpu_addr);
5601                     tcg_gen_qemu_st16(cpu_val, cpu_addr, dc->mem_idx);
5602                     break;
5603                 case 0x7: /* std, store double word */
5604                     if (rd & 1)
5605                         goto illegal_insn;
5606                     else {
5607                         TCGv_i64 t64;
5608                         TCGv lo;
5609 
5610                         gen_address_mask(dc, cpu_addr);
5611                         lo = gen_load_gpr(dc, rd + 1);
5612                         t64 = tcg_temp_new_i64();
5613                         tcg_gen_concat_tl_i64(t64, lo, cpu_val);
5614                         tcg_gen_qemu_st64(t64, cpu_addr, dc->mem_idx);
5615                         tcg_temp_free_i64(t64);
5616                     }
5617                     break;
5618 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5619                 case 0x14: /* sta, V9 stwa, store word alternate */
5620                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
5621                     break;
5622                 case 0x15: /* stba, store byte alternate */
5623                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_UB);
5624                     break;
5625                 case 0x16: /* stha, store halfword alternate */
5626                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUW);
5627                     break;
5628                 case 0x17: /* stda, store double word alternate */
5629                     if (rd & 1) {
5630                         goto illegal_insn;
5631                     }
5632                     gen_stda_asi(dc, cpu_val, cpu_addr, insn, rd);
5633                     break;
5634 #endif
5635 #ifdef TARGET_SPARC64
5636                 case 0x0e: /* V9 stx */
5637                     gen_address_mask(dc, cpu_addr);
5638                     tcg_gen_qemu_st64(cpu_val, cpu_addr, dc->mem_idx);
5639                     break;
5640                 case 0x1e: /* V9 stxa */
5641                     gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEQ);
5642                     break;
5643 #endif
5644                 default:
5645                     goto illegal_insn;
5646                 }
5647             } else if (xop > 0x23 && xop < 0x28) {
5648                 if (gen_trap_ifnofpu(dc)) {
5649                     goto jmp_insn;
5650                 }
5651                 switch (xop) {
5652                 case 0x24: /* stf, store fpreg */
5653                     gen_address_mask(dc, cpu_addr);
5654                     cpu_src1_32 = gen_load_fpr_F(dc, rd);
5655                     tcg_gen_qemu_st_i32(cpu_src1_32, cpu_addr,
5656                                         dc->mem_idx, MO_TEUL);
5657                     break;
5658                 case 0x25: /* stfsr, V9 stxfsr */
5659                     {
5660 #ifdef TARGET_SPARC64
5661                         gen_address_mask(dc, cpu_addr);
5662                         if (rd == 1) {
5663                             tcg_gen_qemu_st64(cpu_fsr, cpu_addr, dc->mem_idx);
5664                             break;
5665                         }
5666 #endif
5667                         tcg_gen_qemu_st32(cpu_fsr, cpu_addr, dc->mem_idx);
5668                     }
5669                     break;
5670                 case 0x26:
5671 #ifdef TARGET_SPARC64
5672                     /* V9 stqf, store quad fpreg */
5673                     CHECK_FPU_FEATURE(dc, FLOAT128);
5674                     gen_address_mask(dc, cpu_addr);
5675                     /* ??? While stqf only requires 4-byte alignment, it is
5676                        legal for the cpu to signal the unaligned exception.
5677                        The OS trap handler is then required to fix it up.
5678                        For qemu, this avoids having to probe the second page
5679                        before performing the first write.  */
5680                     cpu_src1_64 = gen_load_fpr_Q0(dc, rd);
5681                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5682                                         dc->mem_idx, MO_TEQ | MO_ALIGN_16);
5683                     tcg_gen_addi_tl(cpu_addr, cpu_addr, 8);
5684                     cpu_src2_64 = gen_load_fpr_Q1(dc, rd);
5685                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr,
5686                                         dc->mem_idx, MO_TEQ);
5687                     break;
5688 #else /* !TARGET_SPARC64 */
5689                     /* stdfq, store floating point queue */
5690 #if defined(CONFIG_USER_ONLY)
5691                     goto illegal_insn;
5692 #else
5693                     if (!supervisor(dc))
5694                         goto priv_insn;
5695                     if (gen_trap_ifnofpu(dc)) {
5696                         goto jmp_insn;
5697                     }
5698                     goto nfq_insn;
5699 #endif
5700 #endif
5701                 case 0x27: /* stdf, store double fpreg */
5702                     gen_address_mask(dc, cpu_addr);
5703                     cpu_src1_64 = gen_load_fpr_D(dc, rd);
5704                     tcg_gen_qemu_st_i64(cpu_src1_64, cpu_addr, dc->mem_idx,
5705                                         MO_TEQ | MO_ALIGN_4);
5706                     break;
5707                 default:
5708                     goto illegal_insn;
5709                 }
5710             } else if (xop > 0x33 && xop < 0x3f) {
5711                 switch (xop) {
5712 #ifdef TARGET_SPARC64
5713                 case 0x34: /* V9 stfa */
5714                     if (gen_trap_ifnofpu(dc)) {
5715                         goto jmp_insn;
5716                     }
5717                     gen_stf_asi(dc, cpu_addr, insn, 4, rd);
5718                     break;
5719                 case 0x36: /* V9 stqfa */
5720                     {
5721                         CHECK_FPU_FEATURE(dc, FLOAT128);
5722                         if (gen_trap_ifnofpu(dc)) {
5723                             goto jmp_insn;
5724                         }
5725                         gen_stf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
5726                     }
5727                     break;
5728                 case 0x37: /* V9 stdfa */
5729                     if (gen_trap_ifnofpu(dc)) {
5730                         goto jmp_insn;
5731                     }
5732                     gen_stf_asi(dc, cpu_addr, insn, 8, DFPREG(rd));
5733                     break;
5734                 case 0x3e: /* V9 casxa */
5735                     rs2 = GET_FIELD(insn, 27, 31);
5736                     cpu_src2 = gen_load_gpr(dc, rs2);
5737                     gen_casx_asi(dc, cpu_addr, cpu_src2, insn, rd);
5738                     break;
5739 #else
5740                 case 0x34: /* stc */
5741                 case 0x35: /* stcsr */
5742                 case 0x36: /* stdcq */
5743                 case 0x37: /* stdc */
5744                     goto ncp_insn;
5745 #endif
5746 #if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
5747                 case 0x3c: /* V9 or LEON3 casa */
5748 #ifndef TARGET_SPARC64
5749                     CHECK_IU_FEATURE(dc, CASA);
5750 #endif
5751                     rs2 = GET_FIELD(insn, 27, 31);
5752                     cpu_src2 = gen_load_gpr(dc, rs2);
5753                     gen_cas_asi(dc, cpu_addr, cpu_src2, insn, rd);
5754                     break;
5755 #endif
5756                 default:
5757                     goto illegal_insn;
5758                 }
5759             } else {
5760                 goto illegal_insn;
5761             }
5762         }
5763         break;
5764     }
5765     /* default case for non jump instructions */
5766     if (dc->npc == DYNAMIC_PC) {
5767         dc->pc = DYNAMIC_PC;
5768         gen_op_next_insn();
5769     } else if (dc->npc == JUMP_PC) {
5770         /* we can do a static jump */
5771         gen_branch2(dc, dc->jump_pc[0], dc->jump_pc[1], cpu_cond);
5772         dc->base.is_jmp = DISAS_NORETURN;
5773     } else {
5774         dc->pc = dc->npc;
5775         dc->npc = dc->npc + 4;
5776     }
5777  jmp_insn:
5778     goto egress;
5779  illegal_insn:
5780     gen_exception(dc, TT_ILL_INSN);
5781     goto egress;
5782  unimp_flush:
5783     gen_exception(dc, TT_UNIMP_FLUSH);
5784     goto egress;
5785 #if !defined(CONFIG_USER_ONLY)
5786  priv_insn:
5787     gen_exception(dc, TT_PRIV_INSN);
5788     goto egress;
5789 #endif
5790  nfpu_insn:
5791     gen_op_fpexception_im(dc, FSR_FTT_UNIMPFPOP);
5792     goto egress;
5793 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
5794  nfq_insn:
5795     gen_op_fpexception_im(dc, FSR_FTT_SEQ_ERROR);
5796     goto egress;
5797 #endif
5798 #ifndef TARGET_SPARC64
5799  ncp_insn:
5800     gen_exception(dc, TT_NCP_INSN);
5801     goto egress;
5802 #endif
5803  egress:
5804     if (dc->n_t32 != 0) {
5805         int i;
5806         for (i = dc->n_t32 - 1; i >= 0; --i) {
5807             tcg_temp_free_i32(dc->t32[i]);
5808         }
5809         dc->n_t32 = 0;
5810     }
5811     if (dc->n_ttl != 0) {
5812         int i;
5813         for (i = dc->n_ttl - 1; i >= 0; --i) {
5814             tcg_temp_free(dc->ttl[i]);
5815         }
5816         dc->n_ttl = 0;
5817     }
5818 }
5819 
5820 static void sparc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
5821 {
5822     DisasContext *dc = container_of(dcbase, DisasContext, base);
5823     CPUSPARCState *env = cs->env_ptr;
5824     int bound;
5825 
5826     dc->pc = dc->base.pc_first;
5827     dc->npc = (target_ulong)dc->base.tb->cs_base;
5828     dc->cc_op = CC_OP_DYNAMIC;
5829     dc->mem_idx = dc->base.tb->flags & TB_FLAG_MMU_MASK;
5830     dc->def = &env->def;
5831     dc->fpu_enabled = tb_fpu_enabled(dc->base.tb->flags);
5832     dc->address_mask_32bit = tb_am_enabled(dc->base.tb->flags);
5833 #ifndef CONFIG_USER_ONLY
5834     dc->supervisor = (dc->base.tb->flags & TB_FLAG_SUPER) != 0;
5835 #endif
5836 #ifdef TARGET_SPARC64
5837     dc->fprs_dirty = 0;
5838     dc->asi = (dc->base.tb->flags >> TB_FLAG_ASI_SHIFT) & 0xff;
5839 #ifndef CONFIG_USER_ONLY
5840     dc->hypervisor = (dc->base.tb->flags & TB_FLAG_HYPER) != 0;
5841 #endif
5842 #endif
5843     /*
5844      * if we reach a page boundary, we stop generation so that the
5845      * PC of a TT_TFAULT exception is always in the right page
5846      */
5847     bound = -(dc->base.pc_first | TARGET_PAGE_MASK) / 4;
5848     dc->base.max_insns = MIN(dc->base.max_insns, bound);
5849 }
5850 
5851 static void sparc_tr_tb_start(DisasContextBase *db, CPUState *cs)
5852 {
5853 }
5854 
5855 static void sparc_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
5856 {
5857     DisasContext *dc = container_of(dcbase, DisasContext, base);
5858 
5859     if (dc->npc & JUMP_PC) {
5860         assert(dc->jump_pc[1] == dc->pc + 4);
5861         tcg_gen_insn_start(dc->pc, dc->jump_pc[0] | JUMP_PC);
5862     } else {
5863         tcg_gen_insn_start(dc->pc, dc->npc);
5864     }
5865 }
5866 
5867 static bool sparc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
5868                                       const CPUBreakpoint *bp)
5869 {
5870     DisasContext *dc = container_of(dcbase, DisasContext, base);
5871 
5872     if (dc->pc != dc->base.pc_first) {
5873         save_state(dc);
5874     }
5875     gen_helper_debug(cpu_env);
5876     tcg_gen_exit_tb(NULL, 0);
5877     dc->base.is_jmp = DISAS_NORETURN;
5878     /* update pc_next so that the current instruction is included in tb->size */
5879     dc->base.pc_next += 4;
5880     return true;
5881 }
5882 
5883 static void sparc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
5884 {
5885     DisasContext *dc = container_of(dcbase, DisasContext, base);
5886     CPUSPARCState *env = cs->env_ptr;
5887     unsigned int insn;
5888 
5889     insn = translator_ldl(env, dc->pc);
5890     dc->base.pc_next += 4;
5891     disas_sparc_insn(dc, insn);
5892 
5893     if (dc->base.is_jmp == DISAS_NORETURN) {
5894         return;
5895     }
5896     if (dc->pc != dc->base.pc_next) {
5897         dc->base.is_jmp = DISAS_TOO_MANY;
5898     }
5899 }
5900 
5901 static void sparc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
5902 {
5903     DisasContext *dc = container_of(dcbase, DisasContext, base);
5904 
5905     switch (dc->base.is_jmp) {
5906     case DISAS_NEXT:
5907     case DISAS_TOO_MANY:
5908         if (dc->pc != DYNAMIC_PC &&
5909             (dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
5910             /* static PC and NPC: we can use direct chaining */
5911             gen_goto_tb(dc, 0, dc->pc, dc->npc);
5912         } else {
5913             if (dc->pc != DYNAMIC_PC) {
5914                 tcg_gen_movi_tl(cpu_pc, dc->pc);
5915             }
5916             save_npc(dc);
5917             tcg_gen_exit_tb(NULL, 0);
5918         }
5919         break;
5920 
5921     case DISAS_NORETURN:
5922        break;
5923 
5924     case DISAS_EXIT:
5925         /* Exit TB */
5926         save_state(dc);
5927         tcg_gen_exit_tb(NULL, 0);
5928         break;
5929 
5930     default:
5931         g_assert_not_reached();
5932     }
5933 }
5934 
5935 static void sparc_tr_disas_log(const DisasContextBase *dcbase, CPUState *cpu)
5936 {
5937     qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first));
5938     log_target_disas(cpu, dcbase->pc_first, dcbase->tb->size);
5939 }
5940 
5941 static const TranslatorOps sparc_tr_ops = {
5942     .init_disas_context = sparc_tr_init_disas_context,
5943     .tb_start           = sparc_tr_tb_start,
5944     .insn_start         = sparc_tr_insn_start,
5945     .breakpoint_check   = sparc_tr_breakpoint_check,
5946     .translate_insn     = sparc_tr_translate_insn,
5947     .tb_stop            = sparc_tr_tb_stop,
5948     .disas_log          = sparc_tr_disas_log,
5949 };
5950 
5951 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
5952 {
5953     DisasContext dc = {};
5954 
5955     translator_loop(&sparc_tr_ops, &dc.base, cs, tb, max_insns);
5956 }
5957 
5958 void sparc_tcg_init(void)
5959 {
5960     static const char gregnames[32][4] = {
5961         "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
5962         "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
5963         "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
5964         "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
5965     };
5966     static const char fregnames[32][4] = {
5967         "f0", "f2", "f4", "f6", "f8", "f10", "f12", "f14",
5968         "f16", "f18", "f20", "f22", "f24", "f26", "f28", "f30",
5969         "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46",
5970         "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62",
5971     };
5972 
5973     static const struct { TCGv_i32 *ptr; int off; const char *name; } r32[] = {
5974 #ifdef TARGET_SPARC64
5975         { &cpu_xcc, offsetof(CPUSPARCState, xcc), "xcc" },
5976         { &cpu_fprs, offsetof(CPUSPARCState, fprs), "fprs" },
5977 #else
5978         { &cpu_wim, offsetof(CPUSPARCState, wim), "wim" },
5979 #endif
5980         { &cpu_cc_op, offsetof(CPUSPARCState, cc_op), "cc_op" },
5981         { &cpu_psr, offsetof(CPUSPARCState, psr), "psr" },
5982     };
5983 
5984     static const struct { TCGv *ptr; int off; const char *name; } rtl[] = {
5985 #ifdef TARGET_SPARC64
5986         { &cpu_gsr, offsetof(CPUSPARCState, gsr), "gsr" },
5987         { &cpu_tick_cmpr, offsetof(CPUSPARCState, tick_cmpr), "tick_cmpr" },
5988         { &cpu_stick_cmpr, offsetof(CPUSPARCState, stick_cmpr), "stick_cmpr" },
5989         { &cpu_hstick_cmpr, offsetof(CPUSPARCState, hstick_cmpr),
5990           "hstick_cmpr" },
5991         { &cpu_hintp, offsetof(CPUSPARCState, hintp), "hintp" },
5992         { &cpu_htba, offsetof(CPUSPARCState, htba), "htba" },
5993         { &cpu_hver, offsetof(CPUSPARCState, hver), "hver" },
5994         { &cpu_ssr, offsetof(CPUSPARCState, ssr), "ssr" },
5995         { &cpu_ver, offsetof(CPUSPARCState, version), "ver" },
5996 #endif
5997         { &cpu_cond, offsetof(CPUSPARCState, cond), "cond" },
5998         { &cpu_cc_src, offsetof(CPUSPARCState, cc_src), "cc_src" },
5999         { &cpu_cc_src2, offsetof(CPUSPARCState, cc_src2), "cc_src2" },
6000         { &cpu_cc_dst, offsetof(CPUSPARCState, cc_dst), "cc_dst" },
6001         { &cpu_fsr, offsetof(CPUSPARCState, fsr), "fsr" },
6002         { &cpu_pc, offsetof(CPUSPARCState, pc), "pc" },
6003         { &cpu_npc, offsetof(CPUSPARCState, npc), "npc" },
6004         { &cpu_y, offsetof(CPUSPARCState, y), "y" },
6005 #ifndef CONFIG_USER_ONLY
6006         { &cpu_tbr, offsetof(CPUSPARCState, tbr), "tbr" },
6007 #endif
6008     };
6009 
6010     unsigned int i;
6011 
6012     cpu_regwptr = tcg_global_mem_new_ptr(cpu_env,
6013                                          offsetof(CPUSPARCState, regwptr),
6014                                          "regwptr");
6015 
6016     for (i = 0; i < ARRAY_SIZE(r32); ++i) {
6017         *r32[i].ptr = tcg_global_mem_new_i32(cpu_env, r32[i].off, r32[i].name);
6018     }
6019 
6020     for (i = 0; i < ARRAY_SIZE(rtl); ++i) {
6021         *rtl[i].ptr = tcg_global_mem_new(cpu_env, rtl[i].off, rtl[i].name);
6022     }
6023 
6024     cpu_regs[0] = NULL;
6025     for (i = 1; i < 8; ++i) {
6026         cpu_regs[i] = tcg_global_mem_new(cpu_env,
6027                                          offsetof(CPUSPARCState, gregs[i]),
6028                                          gregnames[i]);
6029     }
6030 
6031     for (i = 8; i < 32; ++i) {
6032         cpu_regs[i] = tcg_global_mem_new(cpu_regwptr,
6033                                          (i - 8) * sizeof(target_ulong),
6034                                          gregnames[i]);
6035     }
6036 
6037     for (i = 0; i < TARGET_DPREGS; i++) {
6038         cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
6039                                             offsetof(CPUSPARCState, fpr[i]),
6040                                             fregnames[i]);
6041     }
6042 }
6043 
6044 void restore_state_to_opc(CPUSPARCState *env, TranslationBlock *tb,
6045                           target_ulong *data)
6046 {
6047     target_ulong pc = data[0];
6048     target_ulong npc = data[1];
6049 
6050     env->pc = pc;
6051     if (npc == DYNAMIC_PC) {
6052         /* dynamic NPC: already stored */
6053     } else if (npc & JUMP_PC) {
6054         /* jump PC: use 'cond' and the jump targets of the translation */
6055         if (env->cond) {
6056             env->npc = npc & ~3;
6057         } else {
6058             env->npc = pc + 4;
6059         }
6060     } else {
6061         env->npc = npc;
6062     }
6063 }
6064