xref: /qemu/target/i386/tcg/emit.c.inc (revision 8b7b9c5c)
1/*
2 * New-style TCG opcode generator for i386 instructions
3 *
4 *  Copyright (c) 2022 Red Hat, Inc.
5 *
6 * Author: Paolo Bonzini <pbonzini@redhat.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 */
21
22#define ZMM_OFFSET(reg) offsetof(CPUX86State, xmm_regs[reg])
23
24typedef void (*SSEFunc_i_ep)(TCGv_i32 val, TCGv_ptr env, TCGv_ptr reg);
25typedef void (*SSEFunc_l_ep)(TCGv_i64 val, TCGv_ptr env, TCGv_ptr reg);
26typedef void (*SSEFunc_0_epp)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b);
27typedef void (*SSEFunc_0_eppp)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
28                               TCGv_ptr reg_c);
29typedef void (*SSEFunc_0_epppp)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
30                                TCGv_ptr reg_c, TCGv_ptr reg_d);
31typedef void (*SSEFunc_0_eppi)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
32                               TCGv_i32 val);
33typedef void (*SSEFunc_0_epppi)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
34                                TCGv_ptr reg_c, TCGv_i32 val);
35typedef void (*SSEFunc_0_ppi)(TCGv_ptr reg_a, TCGv_ptr reg_b, TCGv_i32 val);
36typedef void (*SSEFunc_0_pppi)(TCGv_ptr reg_a, TCGv_ptr reg_b, TCGv_ptr reg_c,
37                               TCGv_i32 val);
38typedef void (*SSEFunc_0_eppt)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
39                               TCGv val);
40typedef void (*SSEFunc_0_epppti)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
41                                 TCGv_ptr reg_c, TCGv a0, TCGv_i32 scale);
42typedef void (*SSEFunc_0_eppppi)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
43                                  TCGv_ptr reg_c, TCGv_ptr reg_d, TCGv_i32 flags);
44typedef void (*SSEFunc_0_eppppii)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
45                                  TCGv_ptr reg_c, TCGv_ptr reg_d, TCGv_i32 even,
46                                  TCGv_i32 odd);
47
48static inline TCGv_i32 tcg_constant8u_i32(uint8_t val)
49{
50    return tcg_constant_i32(val);
51}
52
53static void gen_NM_exception(DisasContext *s)
54{
55    gen_exception(s, EXCP07_PREX);
56}
57
58static void gen_illegal(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
59{
60    gen_illegal_opcode(s);
61}
62
63static void gen_load_ea(DisasContext *s, AddressParts *mem, bool is_vsib)
64{
65    TCGv ea = gen_lea_modrm_1(s, *mem, is_vsib);
66    gen_lea_v_seg(s, s->aflag, ea, mem->def_seg, s->override);
67}
68
69static inline int mmx_offset(MemOp ot)
70{
71    switch (ot) {
72    case MO_8:
73        return offsetof(MMXReg, MMX_B(0));
74    case MO_16:
75        return offsetof(MMXReg, MMX_W(0));
76    case MO_32:
77        return offsetof(MMXReg, MMX_L(0));
78    case MO_64:
79        return offsetof(MMXReg, MMX_Q(0));
80    default:
81        g_assert_not_reached();
82    }
83}
84
85static inline int xmm_offset(MemOp ot)
86{
87    switch (ot) {
88    case MO_8:
89        return offsetof(ZMMReg, ZMM_B(0));
90    case MO_16:
91        return offsetof(ZMMReg, ZMM_W(0));
92    case MO_32:
93        return offsetof(ZMMReg, ZMM_L(0));
94    case MO_64:
95        return offsetof(ZMMReg, ZMM_Q(0));
96    case MO_128:
97        return offsetof(ZMMReg, ZMM_X(0));
98    case MO_256:
99        return offsetof(ZMMReg, ZMM_Y(0));
100    default:
101        g_assert_not_reached();
102    }
103}
104
105static int vector_reg_offset(X86DecodedOp *op)
106{
107    assert(op->unit == X86_OP_MMX || op->unit == X86_OP_SSE);
108
109    if (op->unit == X86_OP_MMX) {
110        return op->offset - mmx_offset(op->ot);
111    } else {
112        return op->offset - xmm_offset(op->ot);
113    }
114}
115
116static int vector_elem_offset(X86DecodedOp *op, MemOp ot, int n)
117{
118    int base_ofs = vector_reg_offset(op);
119    switch(ot) {
120    case MO_8:
121        if (op->unit == X86_OP_MMX) {
122            return base_ofs + offsetof(MMXReg, MMX_B(n));
123        } else {
124            return base_ofs + offsetof(ZMMReg, ZMM_B(n));
125        }
126    case MO_16:
127        if (op->unit == X86_OP_MMX) {
128            return base_ofs + offsetof(MMXReg, MMX_W(n));
129        } else {
130            return base_ofs + offsetof(ZMMReg, ZMM_W(n));
131        }
132    case MO_32:
133        if (op->unit == X86_OP_MMX) {
134            return base_ofs + offsetof(MMXReg, MMX_L(n));
135        } else {
136            return base_ofs + offsetof(ZMMReg, ZMM_L(n));
137        }
138    case MO_64:
139        if (op->unit == X86_OP_MMX) {
140            return base_ofs;
141        } else {
142            return base_ofs + offsetof(ZMMReg, ZMM_Q(n));
143        }
144    case MO_128:
145        assert(op->unit == X86_OP_SSE);
146        return base_ofs + offsetof(ZMMReg, ZMM_X(n));
147    case MO_256:
148        assert(op->unit == X86_OP_SSE);
149        return base_ofs + offsetof(ZMMReg, ZMM_Y(n));
150    default:
151        g_assert_not_reached();
152    }
153}
154
155static void compute_mmx_offset(X86DecodedOp *op)
156{
157    if (!op->has_ea) {
158        op->offset = offsetof(CPUX86State, fpregs[op->n].mmx) + mmx_offset(op->ot);
159    } else {
160        op->offset = offsetof(CPUX86State, mmx_t0) + mmx_offset(op->ot);
161    }
162}
163
164static void compute_xmm_offset(X86DecodedOp *op)
165{
166    if (!op->has_ea) {
167        op->offset = ZMM_OFFSET(op->n) + xmm_offset(op->ot);
168    } else {
169        op->offset = offsetof(CPUX86State, xmm_t0) + xmm_offset(op->ot);
170    }
171}
172
173static void gen_load_sse(DisasContext *s, TCGv temp, MemOp ot, int dest_ofs, bool aligned)
174{
175    switch(ot) {
176    case MO_8:
177        gen_op_ld_v(s, MO_8, temp, s->A0);
178        tcg_gen_st8_tl(temp, tcg_env, dest_ofs);
179        break;
180    case MO_16:
181        gen_op_ld_v(s, MO_16, temp, s->A0);
182        tcg_gen_st16_tl(temp, tcg_env, dest_ofs);
183        break;
184    case MO_32:
185        gen_op_ld_v(s, MO_32, temp, s->A0);
186        tcg_gen_st32_tl(temp, tcg_env, dest_ofs);
187        break;
188    case MO_64:
189        gen_ldq_env_A0(s, dest_ofs);
190        break;
191    case MO_128:
192        gen_ldo_env_A0(s, dest_ofs, aligned);
193        break;
194    case MO_256:
195        gen_ldy_env_A0(s, dest_ofs, aligned);
196        break;
197    default:
198        g_assert_not_reached();
199    }
200}
201
202static bool sse_needs_alignment(DisasContext *s, X86DecodedInsn *decode, MemOp ot)
203{
204    switch (decode->e.vex_class) {
205    case 2:
206    case 4:
207        if ((s->prefix & PREFIX_VEX) ||
208            decode->e.vex_special == X86_VEX_SSEUnaligned) {
209            /* MOST legacy SSE instructions require aligned memory operands, but not all.  */
210            return false;
211        }
212        /* fall through */
213    case 1:
214        return ot >= MO_128;
215
216    default:
217        return false;
218    }
219}
220
221static void gen_load(DisasContext *s, X86DecodedInsn *decode, int opn, TCGv v)
222{
223    X86DecodedOp *op = &decode->op[opn];
224
225    switch (op->unit) {
226    case X86_OP_SKIP:
227        return;
228    case X86_OP_SEG:
229        tcg_gen_ld32u_tl(v, tcg_env,
230                         offsetof(CPUX86State,segs[op->n].selector));
231        break;
232    case X86_OP_CR:
233        tcg_gen_ld_tl(v, tcg_env, offsetof(CPUX86State, cr[op->n]));
234        break;
235    case X86_OP_DR:
236        tcg_gen_ld_tl(v, tcg_env, offsetof(CPUX86State, dr[op->n]));
237        break;
238    case X86_OP_INT:
239        if (op->has_ea) {
240            gen_op_ld_v(s, op->ot, v, s->A0);
241        } else {
242            gen_op_mov_v_reg(s, op->ot, v, op->n);
243        }
244        break;
245    case X86_OP_IMM:
246        tcg_gen_movi_tl(v, decode->immediate);
247        break;
248
249    case X86_OP_MMX:
250        compute_mmx_offset(op);
251        goto load_vector;
252
253    case X86_OP_SSE:
254        compute_xmm_offset(op);
255    load_vector:
256        if (op->has_ea) {
257            bool aligned = sse_needs_alignment(s, decode, op->ot);
258            gen_load_sse(s, v, op->ot, op->offset, aligned);
259        }
260        break;
261
262    default:
263        g_assert_not_reached();
264    }
265}
266
267static TCGv_ptr op_ptr(X86DecodedInsn *decode, int opn)
268{
269    X86DecodedOp *op = &decode->op[opn];
270    if (op->v_ptr) {
271        return op->v_ptr;
272    }
273    op->v_ptr = tcg_temp_new_ptr();
274
275    /* The temporary points to the MMXReg or ZMMReg.  */
276    tcg_gen_addi_ptr(op->v_ptr, tcg_env, vector_reg_offset(op));
277    return op->v_ptr;
278}
279
280#define OP_PTR0 op_ptr(decode, 0)
281#define OP_PTR1 op_ptr(decode, 1)
282#define OP_PTR2 op_ptr(decode, 2)
283
284static void gen_writeback(DisasContext *s, X86DecodedInsn *decode, int opn, TCGv v)
285{
286    X86DecodedOp *op = &decode->op[opn];
287    switch (op->unit) {
288    case X86_OP_SKIP:
289        break;
290    case X86_OP_SEG:
291        /* Note that gen_movl_seg_T0 takes care of interrupt shadow and TF.  */
292        gen_movl_seg_T0(s, op->n);
293        break;
294    case X86_OP_INT:
295        if (op->has_ea) {
296            gen_op_st_v(s, op->ot, v, s->A0);
297        } else {
298            gen_op_mov_reg_v(s, op->ot, op->n, v);
299        }
300        break;
301    case X86_OP_MMX:
302        break;
303    case X86_OP_SSE:
304        if (!op->has_ea && (s->prefix & PREFIX_VEX) && op->ot <= MO_128) {
305            tcg_gen_gvec_dup_imm(MO_64,
306                                 offsetof(CPUX86State, xmm_regs[op->n].ZMM_X(1)),
307                                 16, 16, 0);
308        }
309        break;
310    case X86_OP_CR:
311    case X86_OP_DR:
312    default:
313        g_assert_not_reached();
314    }
315}
316
317static inline int vector_len(DisasContext *s, X86DecodedInsn *decode)
318{
319    if (decode->e.special == X86_SPECIAL_MMX &&
320        !(s->prefix & (PREFIX_DATA | PREFIX_REPZ | PREFIX_REPNZ))) {
321        return 8;
322    }
323    return s->vex_l ? 32 : 16;
324}
325
326static void gen_store_sse(DisasContext *s, X86DecodedInsn *decode, int src_ofs)
327{
328    MemOp ot = decode->op[0].ot;
329    int vec_len = vector_len(s, decode);
330    bool aligned = sse_needs_alignment(s, decode, ot);
331
332    if (!decode->op[0].has_ea) {
333        tcg_gen_gvec_mov(MO_64, decode->op[0].offset, src_ofs, vec_len, vec_len);
334        return;
335    }
336
337    switch (ot) {
338    case MO_64:
339        gen_stq_env_A0(s, src_ofs);
340        break;
341    case MO_128:
342        gen_sto_env_A0(s, src_ofs, aligned);
343        break;
344    case MO_256:
345        gen_sty_env_A0(s, src_ofs, aligned);
346        break;
347    default:
348        g_assert_not_reached();
349    }
350}
351
352static void gen_helper_pavgusb(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b)
353{
354    gen_helper_pavgb_mmx(env, reg_a, reg_a, reg_b);
355}
356
357#define FN_3DNOW_MOVE ((SSEFunc_0_epp) (uintptr_t) 1)
358static const SSEFunc_0_epp fns_3dnow[] = {
359    [0x0c] = gen_helper_pi2fw,
360    [0x0d] = gen_helper_pi2fd,
361    [0x1c] = gen_helper_pf2iw,
362    [0x1d] = gen_helper_pf2id,
363    [0x8a] = gen_helper_pfnacc,
364    [0x8e] = gen_helper_pfpnacc,
365    [0x90] = gen_helper_pfcmpge,
366    [0x94] = gen_helper_pfmin,
367    [0x96] = gen_helper_pfrcp,
368    [0x97] = gen_helper_pfrsqrt,
369    [0x9a] = gen_helper_pfsub,
370    [0x9e] = gen_helper_pfadd,
371    [0xa0] = gen_helper_pfcmpgt,
372    [0xa4] = gen_helper_pfmax,
373    [0xa6] = FN_3DNOW_MOVE, /* PFRCPIT1; no need to actually increase precision */
374    [0xa7] = FN_3DNOW_MOVE, /* PFRSQIT1 */
375    [0xb6] = FN_3DNOW_MOVE, /* PFRCPIT2 */
376    [0xaa] = gen_helper_pfsubr,
377    [0xae] = gen_helper_pfacc,
378    [0xb0] = gen_helper_pfcmpeq,
379    [0xb4] = gen_helper_pfmul,
380    [0xb7] = gen_helper_pmulhrw_mmx,
381    [0xbb] = gen_helper_pswapd,
382    [0xbf] = gen_helper_pavgusb,
383};
384
385static void gen_3dnow(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
386{
387    uint8_t b = decode->immediate;
388    SSEFunc_0_epp fn = b < ARRAY_SIZE(fns_3dnow) ? fns_3dnow[b] : NULL;
389
390    if (!fn) {
391        gen_illegal_opcode(s);
392        return;
393    }
394    if (s->flags & HF_TS_MASK) {
395        gen_NM_exception(s);
396        return;
397    }
398    if (s->flags & HF_EM_MASK) {
399        gen_illegal_opcode(s);
400        return;
401    }
402
403    gen_helper_enter_mmx(tcg_env);
404    if (fn == FN_3DNOW_MOVE) {
405       tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[1].offset);
406       tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset);
407    } else {
408       fn(tcg_env, OP_PTR0, OP_PTR1);
409    }
410}
411
412/*
413 * 00 = v*ps Vps, Hps, Wpd
414 * 66 = v*pd Vpd, Hpd, Wps
415 * f3 = v*ss Vss, Hss, Wps
416 * f2 = v*sd Vsd, Hsd, Wps
417 */
418static inline void gen_unary_fp_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
419                              SSEFunc_0_epp pd_xmm, SSEFunc_0_epp ps_xmm,
420                              SSEFunc_0_epp pd_ymm, SSEFunc_0_epp ps_ymm,
421                              SSEFunc_0_eppp sd, SSEFunc_0_eppp ss)
422{
423    if ((s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) != 0) {
424        SSEFunc_0_eppp fn = s->prefix & PREFIX_REPZ ? ss : sd;
425        if (!fn) {
426            gen_illegal_opcode(s);
427            return;
428        }
429        fn(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
430    } else {
431        SSEFunc_0_epp ps, pd, fn;
432        ps = s->vex_l ? ps_ymm : ps_xmm;
433        pd = s->vex_l ? pd_ymm : pd_xmm;
434        fn = s->prefix & PREFIX_DATA ? pd : ps;
435        if (!fn) {
436            gen_illegal_opcode(s);
437            return;
438        }
439        fn(tcg_env, OP_PTR0, OP_PTR2);
440    }
441}
442#define UNARY_FP_SSE(uname, lname)                                                 \
443static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
444{                                                                                  \
445    gen_unary_fp_sse(s, env, decode,                                               \
446                     gen_helper_##lname##pd_xmm,                                   \
447                     gen_helper_##lname##ps_xmm,                                   \
448                     gen_helper_##lname##pd_ymm,                                   \
449                     gen_helper_##lname##ps_ymm,                                   \
450                     gen_helper_##lname##sd,                                       \
451                     gen_helper_##lname##ss);                                      \
452}
453UNARY_FP_SSE(VSQRT, sqrt)
454
455/*
456 * 00 = v*ps Vps, Hps, Wpd
457 * 66 = v*pd Vpd, Hpd, Wps
458 * f3 = v*ss Vss, Hss, Wps
459 * f2 = v*sd Vsd, Hsd, Wps
460 */
461static inline void gen_fp_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
462                              SSEFunc_0_eppp pd_xmm, SSEFunc_0_eppp ps_xmm,
463                              SSEFunc_0_eppp pd_ymm, SSEFunc_0_eppp ps_ymm,
464                              SSEFunc_0_eppp sd, SSEFunc_0_eppp ss)
465{
466    SSEFunc_0_eppp ps, pd, fn;
467    if ((s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) != 0) {
468        fn = s->prefix & PREFIX_REPZ ? ss : sd;
469    } else {
470        ps = s->vex_l ? ps_ymm : ps_xmm;
471        pd = s->vex_l ? pd_ymm : pd_xmm;
472        fn = s->prefix & PREFIX_DATA ? pd : ps;
473    }
474    if (fn) {
475        fn(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
476    } else {
477        gen_illegal_opcode(s);
478    }
479}
480
481#define FP_SSE(uname, lname)                                                       \
482static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
483{                                                                                  \
484    gen_fp_sse(s, env, decode,                                                     \
485               gen_helper_##lname##pd_xmm,                                         \
486               gen_helper_##lname##ps_xmm,                                         \
487               gen_helper_##lname##pd_ymm,                                         \
488               gen_helper_##lname##ps_ymm,                                         \
489               gen_helper_##lname##sd,                                             \
490               gen_helper_##lname##ss);                                            \
491}
492FP_SSE(VADD, add)
493FP_SSE(VMUL, mul)
494FP_SSE(VSUB, sub)
495FP_SSE(VMIN, min)
496FP_SSE(VDIV, div)
497FP_SSE(VMAX, max)
498
499#define FMA_SSE_PACKED(uname, ptr0, ptr1, ptr2, even, odd)                         \
500static void gen_##uname##Px(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
501{                                                                                  \
502    SSEFunc_0_eppppii xmm = s->vex_w ? gen_helper_fma4pd_xmm : gen_helper_fma4ps_xmm; \
503    SSEFunc_0_eppppii ymm = s->vex_w ? gen_helper_fma4pd_ymm : gen_helper_fma4ps_ymm; \
504    SSEFunc_0_eppppii fn = s->vex_l ? ymm : xmm;                                   \
505                                                                                   \
506    fn(tcg_env, OP_PTR0, ptr0, ptr1, ptr2,                                         \
507       tcg_constant_i32(even),                                                     \
508       tcg_constant_i32((even) ^ (odd)));                                          \
509}
510
511#define FMA_SSE(uname, ptr0, ptr1, ptr2, flags)                                    \
512FMA_SSE_PACKED(uname, ptr0, ptr1, ptr2, flags, flags)                              \
513static void gen_##uname##Sx(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
514{                                                                                  \
515    SSEFunc_0_eppppi fn = s->vex_w ? gen_helper_fma4sd : gen_helper_fma4ss;        \
516                                                                                   \
517    fn(tcg_env, OP_PTR0, ptr0, ptr1, ptr2,                                         \
518       tcg_constant_i32(flags));                                                   \
519}                                                                                  \
520
521FMA_SSE(VFMADD231,  OP_PTR1, OP_PTR2, OP_PTR0, 0)
522FMA_SSE(VFMADD213,  OP_PTR1, OP_PTR0, OP_PTR2, 0)
523FMA_SSE(VFMADD132,  OP_PTR0, OP_PTR2, OP_PTR1, 0)
524
525FMA_SSE(VFNMADD231, OP_PTR1, OP_PTR2, OP_PTR0, float_muladd_negate_product)
526FMA_SSE(VFNMADD213, OP_PTR1, OP_PTR0, OP_PTR2, float_muladd_negate_product)
527FMA_SSE(VFNMADD132, OP_PTR0, OP_PTR2, OP_PTR1, float_muladd_negate_product)
528
529FMA_SSE(VFMSUB231,  OP_PTR1, OP_PTR2, OP_PTR0, float_muladd_negate_c)
530FMA_SSE(VFMSUB213,  OP_PTR1, OP_PTR0, OP_PTR2, float_muladd_negate_c)
531FMA_SSE(VFMSUB132,  OP_PTR0, OP_PTR2, OP_PTR1, float_muladd_negate_c)
532
533FMA_SSE(VFNMSUB231, OP_PTR1, OP_PTR2, OP_PTR0, float_muladd_negate_c|float_muladd_negate_product)
534FMA_SSE(VFNMSUB213, OP_PTR1, OP_PTR0, OP_PTR2, float_muladd_negate_c|float_muladd_negate_product)
535FMA_SSE(VFNMSUB132, OP_PTR0, OP_PTR2, OP_PTR1, float_muladd_negate_c|float_muladd_negate_product)
536
537FMA_SSE_PACKED(VFMADDSUB231, OP_PTR1, OP_PTR2, OP_PTR0, float_muladd_negate_c, 0)
538FMA_SSE_PACKED(VFMADDSUB213, OP_PTR1, OP_PTR0, OP_PTR2, float_muladd_negate_c, 0)
539FMA_SSE_PACKED(VFMADDSUB132, OP_PTR0, OP_PTR2, OP_PTR1, float_muladd_negate_c, 0)
540
541FMA_SSE_PACKED(VFMSUBADD231, OP_PTR1, OP_PTR2, OP_PTR0, 0, float_muladd_negate_c)
542FMA_SSE_PACKED(VFMSUBADD213, OP_PTR1, OP_PTR0, OP_PTR2, 0, float_muladd_negate_c)
543FMA_SSE_PACKED(VFMSUBADD132, OP_PTR0, OP_PTR2, OP_PTR1, 0, float_muladd_negate_c)
544
545#define FP_UNPACK_SSE(uname, lname)                                                \
546static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
547{                                                                                  \
548    /* PS maps to the DQ integer instruction, PD maps to QDQ.  */                  \
549    gen_fp_sse(s, env, decode,                                                     \
550               gen_helper_##lname##qdq_xmm,                                        \
551               gen_helper_##lname##dq_xmm,                                         \
552               gen_helper_##lname##qdq_ymm,                                        \
553               gen_helper_##lname##dq_ymm,                                         \
554               NULL, NULL);                                                        \
555}
556FP_UNPACK_SSE(VUNPCKLPx, punpckl)
557FP_UNPACK_SSE(VUNPCKHPx, punpckh)
558
559/*
560 * 00 = v*ps Vps, Wpd
561 * f3 = v*ss Vss, Wps
562 */
563static inline void gen_unary_fp32_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
564                                      SSEFunc_0_epp ps_xmm,
565                                      SSEFunc_0_epp ps_ymm,
566                                      SSEFunc_0_eppp ss)
567{
568    if ((s->prefix & (PREFIX_DATA | PREFIX_REPNZ)) != 0) {
569        goto illegal_op;
570    } else if (s->prefix & PREFIX_REPZ) {
571        if (!ss) {
572            goto illegal_op;
573        }
574        ss(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
575    } else {
576        SSEFunc_0_epp fn = s->vex_l ? ps_ymm : ps_xmm;
577        if (!fn) {
578            goto illegal_op;
579        }
580        fn(tcg_env, OP_PTR0, OP_PTR2);
581    }
582    return;
583
584illegal_op:
585    gen_illegal_opcode(s);
586}
587#define UNARY_FP32_SSE(uname, lname)                                               \
588static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
589{                                                                                  \
590    gen_unary_fp32_sse(s, env, decode,                                             \
591                       gen_helper_##lname##ps_xmm,                                 \
592                       gen_helper_##lname##ps_ymm,                                 \
593                       gen_helper_##lname##ss);                                    \
594}
595UNARY_FP32_SSE(VRSQRT, rsqrt)
596UNARY_FP32_SSE(VRCP, rcp)
597
598/*
599 * 66 = v*pd Vpd, Hpd, Wpd
600 * f2 = v*ps Vps, Hps, Wps
601 */
602static inline void gen_horizontal_fp_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
603                                         SSEFunc_0_eppp pd_xmm, SSEFunc_0_eppp ps_xmm,
604                                         SSEFunc_0_eppp pd_ymm, SSEFunc_0_eppp ps_ymm)
605{
606    SSEFunc_0_eppp ps, pd, fn;
607    ps = s->vex_l ? ps_ymm : ps_xmm;
608    pd = s->vex_l ? pd_ymm : pd_xmm;
609    fn = s->prefix & PREFIX_DATA ? pd : ps;
610    fn(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
611}
612#define HORIZONTAL_FP_SSE(uname, lname)                                            \
613static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
614{                                                                                  \
615    gen_horizontal_fp_sse(s, env, decode,                                          \
616                          gen_helper_##lname##pd_xmm, gen_helper_##lname##ps_xmm,  \
617                          gen_helper_##lname##pd_ymm, gen_helper_##lname##ps_ymm); \
618}
619HORIZONTAL_FP_SSE(VHADD, hadd)
620HORIZONTAL_FP_SSE(VHSUB, hsub)
621HORIZONTAL_FP_SSE(VADDSUB, addsub)
622
623static inline void gen_ternary_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
624                                   int op3, SSEFunc_0_epppp xmm, SSEFunc_0_epppp ymm)
625{
626    SSEFunc_0_epppp fn = s->vex_l ? ymm : xmm;
627    TCGv_ptr ptr3 = tcg_temp_new_ptr();
628
629    /* The format of the fourth input is Lx */
630    tcg_gen_addi_ptr(ptr3, tcg_env, ZMM_OFFSET(op3));
631    fn(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, ptr3);
632}
633#define TERNARY_SSE(uname, uvname, lname)                                          \
634static void gen_##uvname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
635{                                                                                  \
636    gen_ternary_sse(s, env, decode, (uint8_t)decode->immediate >> 4,               \
637                    gen_helper_##lname##_xmm, gen_helper_##lname##_ymm);           \
638}                                                                                  \
639static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
640{                                                                                  \
641    gen_ternary_sse(s, env, decode, 0,                                             \
642                  gen_helper_##lname##_xmm, gen_helper_##lname##_ymm);             \
643}
644TERNARY_SSE(BLENDVPS, VBLENDVPS, blendvps)
645TERNARY_SSE(BLENDVPD, VBLENDVPD, blendvpd)
646TERNARY_SSE(PBLENDVB, VPBLENDVB, pblendvb)
647
648static inline void gen_binary_imm_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
649                                      SSEFunc_0_epppi xmm, SSEFunc_0_epppi ymm)
650{
651    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
652    if (!s->vex_l) {
653        xmm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
654    } else {
655        ymm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
656    }
657}
658
659#define BINARY_IMM_SSE(uname, lname)                                               \
660static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
661{                                                                                  \
662    gen_binary_imm_sse(s, env, decode,                                             \
663                       gen_helper_##lname##_xmm,                                   \
664                       gen_helper_##lname##_ymm);                                  \
665}
666
667BINARY_IMM_SSE(VBLENDPD,   blendpd)
668BINARY_IMM_SSE(VBLENDPS,   blendps)
669BINARY_IMM_SSE(VPBLENDW,   pblendw)
670BINARY_IMM_SSE(VDDPS,      dpps)
671#define gen_helper_dppd_ymm NULL
672BINARY_IMM_SSE(VDDPD,      dppd)
673BINARY_IMM_SSE(VMPSADBW,   mpsadbw)
674BINARY_IMM_SSE(PCLMULQDQ,  pclmulqdq)
675
676
677#define UNARY_INT_GVEC(uname, func, ...)                                           \
678static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
679{                                                                                  \
680    int vec_len = vector_len(s, decode);                                          \
681                                                                                   \
682    func(__VA_ARGS__, decode->op[0].offset,                                        \
683         decode->op[2].offset, vec_len, vec_len);                                  \
684}
685UNARY_INT_GVEC(PABSB,          tcg_gen_gvec_abs, MO_8)
686UNARY_INT_GVEC(PABSW,          tcg_gen_gvec_abs, MO_16)
687UNARY_INT_GVEC(PABSD,          tcg_gen_gvec_abs, MO_32)
688UNARY_INT_GVEC(VBROADCASTx128, tcg_gen_gvec_dup_mem, MO_128)
689UNARY_INT_GVEC(VPBROADCASTB,   tcg_gen_gvec_dup_mem, MO_8)
690UNARY_INT_GVEC(VPBROADCASTW,   tcg_gen_gvec_dup_mem, MO_16)
691UNARY_INT_GVEC(VPBROADCASTD,   tcg_gen_gvec_dup_mem, MO_32)
692UNARY_INT_GVEC(VPBROADCASTQ,   tcg_gen_gvec_dup_mem, MO_64)
693
694
695#define BINARY_INT_GVEC(uname, func, ...)                                          \
696static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
697{                                                                                  \
698    int vec_len = vector_len(s, decode);                                          \
699                                                                                   \
700    func(__VA_ARGS__,                                                              \
701         decode->op[0].offset, decode->op[1].offset,                               \
702         decode->op[2].offset, vec_len, vec_len);                                  \
703}
704
705BINARY_INT_GVEC(PADDB,   tcg_gen_gvec_add, MO_8)
706BINARY_INT_GVEC(PADDW,   tcg_gen_gvec_add, MO_16)
707BINARY_INT_GVEC(PADDD,   tcg_gen_gvec_add, MO_32)
708BINARY_INT_GVEC(PADDQ,   tcg_gen_gvec_add, MO_64)
709BINARY_INT_GVEC(PADDSB,  tcg_gen_gvec_ssadd, MO_8)
710BINARY_INT_GVEC(PADDSW,  tcg_gen_gvec_ssadd, MO_16)
711BINARY_INT_GVEC(PADDUSB, tcg_gen_gvec_usadd, MO_8)
712BINARY_INT_GVEC(PADDUSW, tcg_gen_gvec_usadd, MO_16)
713BINARY_INT_GVEC(PAND,    tcg_gen_gvec_and, MO_64)
714BINARY_INT_GVEC(PCMPEQB, tcg_gen_gvec_cmp, TCG_COND_EQ, MO_8)
715BINARY_INT_GVEC(PCMPEQD, tcg_gen_gvec_cmp, TCG_COND_EQ, MO_32)
716BINARY_INT_GVEC(PCMPEQW, tcg_gen_gvec_cmp, TCG_COND_EQ, MO_16)
717BINARY_INT_GVEC(PCMPEQQ, tcg_gen_gvec_cmp, TCG_COND_EQ, MO_64)
718BINARY_INT_GVEC(PCMPGTB, tcg_gen_gvec_cmp, TCG_COND_GT, MO_8)
719BINARY_INT_GVEC(PCMPGTW, tcg_gen_gvec_cmp, TCG_COND_GT, MO_16)
720BINARY_INT_GVEC(PCMPGTD, tcg_gen_gvec_cmp, TCG_COND_GT, MO_32)
721BINARY_INT_GVEC(PCMPGTQ, tcg_gen_gvec_cmp, TCG_COND_GT, MO_64)
722BINARY_INT_GVEC(PMAXSB,  tcg_gen_gvec_smax, MO_8)
723BINARY_INT_GVEC(PMAXSW,  tcg_gen_gvec_smax, MO_16)
724BINARY_INT_GVEC(PMAXSD,  tcg_gen_gvec_smax, MO_32)
725BINARY_INT_GVEC(PMAXUB,  tcg_gen_gvec_umax, MO_8)
726BINARY_INT_GVEC(PMAXUW,  tcg_gen_gvec_umax, MO_16)
727BINARY_INT_GVEC(PMAXUD,  tcg_gen_gvec_umax, MO_32)
728BINARY_INT_GVEC(PMINSB,  tcg_gen_gvec_smin, MO_8)
729BINARY_INT_GVEC(PMINSW,  tcg_gen_gvec_smin, MO_16)
730BINARY_INT_GVEC(PMINSD,  tcg_gen_gvec_smin, MO_32)
731BINARY_INT_GVEC(PMINUB,  tcg_gen_gvec_umin, MO_8)
732BINARY_INT_GVEC(PMINUW,  tcg_gen_gvec_umin, MO_16)
733BINARY_INT_GVEC(PMINUD,  tcg_gen_gvec_umin, MO_32)
734BINARY_INT_GVEC(PMULLW,  tcg_gen_gvec_mul, MO_16)
735BINARY_INT_GVEC(PMULLD,  tcg_gen_gvec_mul, MO_32)
736BINARY_INT_GVEC(POR,     tcg_gen_gvec_or, MO_64)
737BINARY_INT_GVEC(PSUBB,   tcg_gen_gvec_sub, MO_8)
738BINARY_INT_GVEC(PSUBW,   tcg_gen_gvec_sub, MO_16)
739BINARY_INT_GVEC(PSUBD,   tcg_gen_gvec_sub, MO_32)
740BINARY_INT_GVEC(PSUBQ,   tcg_gen_gvec_sub, MO_64)
741BINARY_INT_GVEC(PSUBSB,  tcg_gen_gvec_sssub, MO_8)
742BINARY_INT_GVEC(PSUBSW,  tcg_gen_gvec_sssub, MO_16)
743BINARY_INT_GVEC(PSUBUSB, tcg_gen_gvec_ussub, MO_8)
744BINARY_INT_GVEC(PSUBUSW, tcg_gen_gvec_ussub, MO_16)
745BINARY_INT_GVEC(PXOR,    tcg_gen_gvec_xor, MO_64)
746
747
748/*
749 * 00 = p*  Pq, Qq (if mmx not NULL; no VEX)
750 * 66 = vp* Vx, Hx, Wx
751 *
752 * These are really the same encoding, because 1) V is the same as P when VEX.V
753 * is not present 2) P and Q are the same as H and W apart from MM/XMM
754 */
755static inline void gen_binary_int_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
756                                      SSEFunc_0_eppp mmx, SSEFunc_0_eppp xmm, SSEFunc_0_eppp ymm)
757{
758    assert(!!mmx == !!(decode->e.special == X86_SPECIAL_MMX));
759
760    if (mmx && (s->prefix & PREFIX_VEX) && !(s->prefix & PREFIX_DATA)) {
761        /* VEX encoding is not applicable to MMX instructions.  */
762        gen_illegal_opcode(s);
763        return;
764    }
765    if (!(s->prefix & PREFIX_DATA)) {
766        mmx(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
767    } else if (!s->vex_l) {
768        xmm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
769    } else {
770        ymm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
771    }
772}
773
774
775#define BINARY_INT_MMX(uname, lname)                                               \
776static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
777{                                                                                  \
778    gen_binary_int_sse(s, env, decode,                                             \
779                          gen_helper_##lname##_mmx,                                \
780                          gen_helper_##lname##_xmm,                                \
781                          gen_helper_##lname##_ymm);                               \
782}
783BINARY_INT_MMX(PUNPCKLBW,  punpcklbw)
784BINARY_INT_MMX(PUNPCKLWD,  punpcklwd)
785BINARY_INT_MMX(PUNPCKLDQ,  punpckldq)
786BINARY_INT_MMX(PACKSSWB,   packsswb)
787BINARY_INT_MMX(PACKUSWB,   packuswb)
788BINARY_INT_MMX(PUNPCKHBW,  punpckhbw)
789BINARY_INT_MMX(PUNPCKHWD,  punpckhwd)
790BINARY_INT_MMX(PUNPCKHDQ,  punpckhdq)
791BINARY_INT_MMX(PACKSSDW,   packssdw)
792
793BINARY_INT_MMX(PAVGB,   pavgb)
794BINARY_INT_MMX(PAVGW,   pavgw)
795BINARY_INT_MMX(PMADDWD, pmaddwd)
796BINARY_INT_MMX(PMULHUW, pmulhuw)
797BINARY_INT_MMX(PMULHW,  pmulhw)
798BINARY_INT_MMX(PMULUDQ, pmuludq)
799BINARY_INT_MMX(PSADBW,  psadbw)
800
801BINARY_INT_MMX(PSLLW_r, psllw)
802BINARY_INT_MMX(PSLLD_r, pslld)
803BINARY_INT_MMX(PSLLQ_r, psllq)
804BINARY_INT_MMX(PSRLW_r, psrlw)
805BINARY_INT_MMX(PSRLD_r, psrld)
806BINARY_INT_MMX(PSRLQ_r, psrlq)
807BINARY_INT_MMX(PSRAW_r, psraw)
808BINARY_INT_MMX(PSRAD_r, psrad)
809
810BINARY_INT_MMX(PHADDW,    phaddw)
811BINARY_INT_MMX(PHADDSW,   phaddsw)
812BINARY_INT_MMX(PHADDD,    phaddd)
813BINARY_INT_MMX(PHSUBW,    phsubw)
814BINARY_INT_MMX(PHSUBSW,   phsubsw)
815BINARY_INT_MMX(PHSUBD,    phsubd)
816BINARY_INT_MMX(PMADDUBSW, pmaddubsw)
817BINARY_INT_MMX(PSHUFB,    pshufb)
818BINARY_INT_MMX(PSIGNB,    psignb)
819BINARY_INT_MMX(PSIGNW,    psignw)
820BINARY_INT_MMX(PSIGND,    psignd)
821BINARY_INT_MMX(PMULHRSW,  pmulhrsw)
822
823/* Instructions with no MMX equivalent.  */
824#define BINARY_INT_SSE(uname, lname)                                               \
825static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
826{                                                                                  \
827    gen_binary_int_sse(s, env, decode,                                             \
828                          NULL,                                                    \
829                          gen_helper_##lname##_xmm,                                \
830                          gen_helper_##lname##_ymm);                               \
831}
832
833/* Instructions with no MMX equivalent.  */
834BINARY_INT_SSE(PUNPCKLQDQ, punpcklqdq)
835BINARY_INT_SSE(PUNPCKHQDQ, punpckhqdq)
836BINARY_INT_SSE(VPACKUSDW,  packusdw)
837BINARY_INT_SSE(VPERMILPS,  vpermilps)
838BINARY_INT_SSE(VPERMILPD,  vpermilpd)
839BINARY_INT_SSE(VMASKMOVPS, vpmaskmovd)
840BINARY_INT_SSE(VMASKMOVPD, vpmaskmovq)
841
842BINARY_INT_SSE(PMULDQ,    pmuldq)
843
844BINARY_INT_SSE(VAESDEC, aesdec)
845BINARY_INT_SSE(VAESDECLAST, aesdeclast)
846BINARY_INT_SSE(VAESENC, aesenc)
847BINARY_INT_SSE(VAESENCLAST, aesenclast)
848
849#define UNARY_CMP_SSE(uname, lname)                                                \
850static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
851{                                                                                  \
852    if (!s->vex_l) {                                                               \
853        gen_helper_##lname##_xmm(tcg_env, OP_PTR1, OP_PTR2);                       \
854    } else {                                                                       \
855        gen_helper_##lname##_ymm(tcg_env, OP_PTR1, OP_PTR2);                       \
856    }                                                                              \
857    set_cc_op(s, CC_OP_EFLAGS);                                                    \
858}
859UNARY_CMP_SSE(VPTEST,     ptest)
860UNARY_CMP_SSE(VTESTPS,    vtestps)
861UNARY_CMP_SSE(VTESTPD,    vtestpd)
862
863static inline void gen_unary_int_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
864                                     SSEFunc_0_epp xmm, SSEFunc_0_epp ymm)
865{
866    if (!s->vex_l) {
867        xmm(tcg_env, OP_PTR0, OP_PTR2);
868    } else {
869        ymm(tcg_env, OP_PTR0, OP_PTR2);
870    }
871}
872
873#define UNARY_INT_SSE(uname, lname)                                                \
874static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
875{                                                                                  \
876    gen_unary_int_sse(s, env, decode,                                              \
877                      gen_helper_##lname##_xmm,                                    \
878                      gen_helper_##lname##_ymm);                                   \
879}
880
881UNARY_INT_SSE(VPMOVSXBW,    pmovsxbw)
882UNARY_INT_SSE(VPMOVSXBD,    pmovsxbd)
883UNARY_INT_SSE(VPMOVSXBQ,    pmovsxbq)
884UNARY_INT_SSE(VPMOVSXWD,    pmovsxwd)
885UNARY_INT_SSE(VPMOVSXWQ,    pmovsxwq)
886UNARY_INT_SSE(VPMOVSXDQ,    pmovsxdq)
887
888UNARY_INT_SSE(VPMOVZXBW,    pmovzxbw)
889UNARY_INT_SSE(VPMOVZXBD,    pmovzxbd)
890UNARY_INT_SSE(VPMOVZXBQ,    pmovzxbq)
891UNARY_INT_SSE(VPMOVZXWD,    pmovzxwd)
892UNARY_INT_SSE(VPMOVZXWQ,    pmovzxwq)
893UNARY_INT_SSE(VPMOVZXDQ,    pmovzxdq)
894
895UNARY_INT_SSE(VMOVSLDUP,    pmovsldup)
896UNARY_INT_SSE(VMOVSHDUP,    pmovshdup)
897UNARY_INT_SSE(VMOVDDUP,     pmovdldup)
898
899UNARY_INT_SSE(VCVTDQ2PD, cvtdq2pd)
900UNARY_INT_SSE(VCVTPD2DQ, cvtpd2dq)
901UNARY_INT_SSE(VCVTTPD2DQ, cvttpd2dq)
902UNARY_INT_SSE(VCVTDQ2PS, cvtdq2ps)
903UNARY_INT_SSE(VCVTPS2DQ, cvtps2dq)
904UNARY_INT_SSE(VCVTTPS2DQ, cvttps2dq)
905UNARY_INT_SSE(VCVTPH2PS, cvtph2ps)
906
907
908static inline void gen_unary_imm_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
909                                     SSEFunc_0_ppi xmm, SSEFunc_0_ppi ymm)
910{
911    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
912    if (!s->vex_l) {
913        xmm(OP_PTR0, OP_PTR1, imm);
914    } else {
915        ymm(OP_PTR0, OP_PTR1, imm);
916    }
917}
918
919#define UNARY_IMM_SSE(uname, lname)                                                \
920static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
921{                                                                                  \
922    gen_unary_imm_sse(s, env, decode,                                              \
923                      gen_helper_##lname##_xmm,                                    \
924                      gen_helper_##lname##_ymm);                                   \
925}
926
927UNARY_IMM_SSE(PSHUFD,     pshufd)
928UNARY_IMM_SSE(PSHUFHW,    pshufhw)
929UNARY_IMM_SSE(PSHUFLW,    pshuflw)
930#define gen_helper_vpermq_xmm NULL
931UNARY_IMM_SSE(VPERMQ,      vpermq)
932UNARY_IMM_SSE(VPERMILPS_i, vpermilps_imm)
933UNARY_IMM_SSE(VPERMILPD_i, vpermilpd_imm)
934
935static inline void gen_unary_imm_fp_sse(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
936                                        SSEFunc_0_eppi xmm, SSEFunc_0_eppi ymm)
937{
938    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
939    if (!s->vex_l) {
940        xmm(tcg_env, OP_PTR0, OP_PTR1, imm);
941    } else {
942        ymm(tcg_env, OP_PTR0, OP_PTR1, imm);
943    }
944}
945
946#define UNARY_IMM_FP_SSE(uname, lname)                                             \
947static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
948{                                                                                  \
949    gen_unary_imm_fp_sse(s, env, decode,                                           \
950                      gen_helper_##lname##_xmm,                                    \
951                      gen_helper_##lname##_ymm);                                   \
952}
953
954UNARY_IMM_FP_SSE(VROUNDPS,    roundps)
955UNARY_IMM_FP_SSE(VROUNDPD,    roundpd)
956
957static inline void gen_vexw_avx(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
958                                SSEFunc_0_eppp d_xmm, SSEFunc_0_eppp q_xmm,
959                                SSEFunc_0_eppp d_ymm, SSEFunc_0_eppp q_ymm)
960{
961    SSEFunc_0_eppp d = s->vex_l ? d_ymm : d_xmm;
962    SSEFunc_0_eppp q = s->vex_l ? q_ymm : q_xmm;
963    SSEFunc_0_eppp fn = s->vex_w ? q : d;
964    fn(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
965}
966
967/* VEX.W affects whether to operate on 32- or 64-bit elements.  */
968#define VEXW_AVX(uname, lname)                                                     \
969static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
970{                                                                                  \
971    gen_vexw_avx(s, env, decode,                                                   \
972                 gen_helper_##lname##d_xmm, gen_helper_##lname##q_xmm,             \
973                 gen_helper_##lname##d_ymm, gen_helper_##lname##q_ymm);            \
974}
975VEXW_AVX(VPSLLV,    vpsllv)
976VEXW_AVX(VPSRLV,    vpsrlv)
977VEXW_AVX(VPSRAV,    vpsrav)
978VEXW_AVX(VPMASKMOV, vpmaskmov)
979
980/* Same as above, but with extra arguments to the helper.  */
981static inline void gen_vsib_avx(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
982                                SSEFunc_0_epppti d_xmm, SSEFunc_0_epppti q_xmm,
983                                SSEFunc_0_epppti d_ymm, SSEFunc_0_epppti q_ymm)
984{
985    SSEFunc_0_epppti d = s->vex_l ? d_ymm : d_xmm;
986    SSEFunc_0_epppti q = s->vex_l ? q_ymm : q_xmm;
987    SSEFunc_0_epppti fn = s->vex_w ? q : d;
988    TCGv_i32 scale = tcg_constant_i32(decode->mem.scale);
989    TCGv_ptr index = tcg_temp_new_ptr();
990
991    /* Pass third input as (index, base, scale) */
992    tcg_gen_addi_ptr(index, tcg_env, ZMM_OFFSET(decode->mem.index));
993    fn(tcg_env, OP_PTR0, OP_PTR1, index, s->A0, scale);
994
995    /*
996     * There are two output operands, so zero OP1's high 128 bits
997     * in the VEX.128 case.
998     */
999    if (!s->vex_l) {
1000        int ymmh_ofs = vector_elem_offset(&decode->op[1], MO_128, 1);
1001        tcg_gen_gvec_dup_imm(MO_64, ymmh_ofs, 16, 16, 0);
1002    }
1003}
1004#define VSIB_AVX(uname, lname)                                                     \
1005static void gen_##uname(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode) \
1006{                                                                                  \
1007    gen_vsib_avx(s, env, decode,                                                   \
1008                 gen_helper_##lname##d_xmm, gen_helper_##lname##q_xmm,             \
1009                 gen_helper_##lname##d_ymm, gen_helper_##lname##q_ymm);            \
1010}
1011VSIB_AVX(VPGATHERD, vpgatherd)
1012VSIB_AVX(VPGATHERQ, vpgatherq)
1013
1014static void gen_ADCOX(DisasContext *s, CPUX86State *env, MemOp ot, int cc_op)
1015{
1016    int opposite_cc_op;
1017    TCGv carry_in = NULL;
1018    TCGv carry_out = (cc_op == CC_OP_ADCX ? cpu_cc_dst : cpu_cc_src2);
1019    TCGv zero;
1020
1021    if (cc_op == s->cc_op || s->cc_op == CC_OP_ADCOX) {
1022        /* Re-use the carry-out from a previous round.  */
1023        carry_in = carry_out;
1024    } else {
1025        /* We don't have a carry-in, get it out of EFLAGS.  */
1026        if (s->cc_op != CC_OP_ADCX && s->cc_op != CC_OP_ADOX) {
1027            gen_compute_eflags(s);
1028        }
1029        carry_in = s->tmp0;
1030        tcg_gen_extract_tl(carry_in, cpu_cc_src,
1031            ctz32(cc_op == CC_OP_ADCX ? CC_C : CC_O), 1);
1032    }
1033
1034    switch (ot) {
1035#ifdef TARGET_X86_64
1036    case MO_32:
1037        /* If TL is 64-bit just do everything in 64-bit arithmetic.  */
1038        tcg_gen_ext32u_tl(s->T0, s->T0);
1039        tcg_gen_ext32u_tl(s->T1, s->T1);
1040        tcg_gen_add_i64(s->T0, s->T0, s->T1);
1041        tcg_gen_add_i64(s->T0, s->T0, carry_in);
1042        tcg_gen_shri_i64(carry_out, s->T0, 32);
1043        break;
1044#endif
1045    default:
1046        zero = tcg_constant_tl(0);
1047        tcg_gen_add2_tl(s->T0, carry_out, s->T0, zero, carry_in, zero);
1048        tcg_gen_add2_tl(s->T0, carry_out, s->T0, carry_out, s->T1, zero);
1049        break;
1050    }
1051
1052    opposite_cc_op = cc_op == CC_OP_ADCX ? CC_OP_ADOX : CC_OP_ADCX;
1053    if (s->cc_op == CC_OP_ADCOX || s->cc_op == opposite_cc_op) {
1054        /* Merge with the carry-out from the opposite instruction.  */
1055        set_cc_op(s, CC_OP_ADCOX);
1056    } else {
1057        set_cc_op(s, cc_op);
1058    }
1059}
1060
1061static void gen_ADCX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1062{
1063    gen_ADCOX(s, env, decode->op[0].ot, CC_OP_ADCX);
1064}
1065
1066static void gen_ADOX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1067{
1068    gen_ADCOX(s, env, decode->op[0].ot, CC_OP_ADOX);
1069}
1070
1071static void gen_ANDN(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1072{
1073    MemOp ot = decode->op[0].ot;
1074
1075    tcg_gen_andc_tl(s->T0, s->T1, s->T0);
1076    gen_op_update1_cc(s);
1077    set_cc_op(s, CC_OP_LOGICB + ot);
1078}
1079
1080static void gen_BEXTR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1081{
1082    MemOp ot = decode->op[0].ot;
1083    TCGv bound = tcg_constant_tl(ot == MO_64 ? 63 : 31);
1084    TCGv zero = tcg_constant_tl(0);
1085    TCGv mone = tcg_constant_tl(-1);
1086
1087    /*
1088     * Extract START, and shift the operand.
1089     * Shifts larger than operand size get zeros.
1090     */
1091    tcg_gen_ext8u_tl(s->A0, s->T1);
1092    if (TARGET_LONG_BITS == 64 && ot == MO_32) {
1093        tcg_gen_ext32u_tl(s->T0, s->T0);
1094    }
1095    tcg_gen_shr_tl(s->T0, s->T0, s->A0);
1096
1097    tcg_gen_movcond_tl(TCG_COND_LEU, s->T0, s->A0, bound, s->T0, zero);
1098
1099    /*
1100     * Extract the LEN into an inverse mask.  Lengths larger than
1101     * operand size get all zeros, length 0 gets all ones.
1102     */
1103    tcg_gen_extract_tl(s->A0, s->T1, 8, 8);
1104    tcg_gen_shl_tl(s->T1, mone, s->A0);
1105    tcg_gen_movcond_tl(TCG_COND_LEU, s->T1, s->A0, bound, s->T1, zero);
1106    tcg_gen_andc_tl(s->T0, s->T0, s->T1);
1107
1108    gen_op_update1_cc(s);
1109    set_cc_op(s, CC_OP_LOGICB + ot);
1110}
1111
1112static void gen_BLSI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1113{
1114    MemOp ot = decode->op[0].ot;
1115
1116    tcg_gen_mov_tl(cpu_cc_src, s->T0);
1117    tcg_gen_neg_tl(s->T1, s->T0);
1118    tcg_gen_and_tl(s->T0, s->T0, s->T1);
1119    tcg_gen_mov_tl(cpu_cc_dst, s->T0);
1120    set_cc_op(s, CC_OP_BMILGB + ot);
1121}
1122
1123static void gen_BLSMSK(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1124{
1125    MemOp ot = decode->op[0].ot;
1126
1127    tcg_gen_mov_tl(cpu_cc_src, s->T0);
1128    tcg_gen_subi_tl(s->T1, s->T0, 1);
1129    tcg_gen_xor_tl(s->T0, s->T0, s->T1);
1130    tcg_gen_mov_tl(cpu_cc_dst, s->T0);
1131    set_cc_op(s, CC_OP_BMILGB + ot);
1132}
1133
1134static void gen_BLSR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1135{
1136    MemOp ot = decode->op[0].ot;
1137
1138    tcg_gen_mov_tl(cpu_cc_src, s->T0);
1139    tcg_gen_subi_tl(s->T1, s->T0, 1);
1140    tcg_gen_and_tl(s->T0, s->T0, s->T1);
1141    tcg_gen_mov_tl(cpu_cc_dst, s->T0);
1142    set_cc_op(s, CC_OP_BMILGB + ot);
1143}
1144
1145static void gen_BZHI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1146{
1147    MemOp ot = decode->op[0].ot;
1148    TCGv bound = tcg_constant_tl(ot == MO_64 ? 63 : 31);
1149    TCGv zero = tcg_constant_tl(0);
1150    TCGv mone = tcg_constant_tl(-1);
1151
1152    tcg_gen_ext8u_tl(s->T1, s->T1);
1153
1154    /*
1155     * Note that since we're using BMILG (in order to get O
1156     * cleared) we need to store the inverse into C.
1157     */
1158    tcg_gen_setcond_tl(TCG_COND_LEU, cpu_cc_src, s->T1, bound);
1159
1160    tcg_gen_shl_tl(s->A0, mone, s->T1);
1161    tcg_gen_movcond_tl(TCG_COND_LEU, s->A0, s->T1, bound, s->A0, zero);
1162    tcg_gen_andc_tl(s->T0, s->T0, s->A0);
1163
1164    gen_op_update1_cc(s);
1165    set_cc_op(s, CC_OP_BMILGB + ot);
1166}
1167
1168static void gen_CRC32(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1169{
1170    MemOp ot = decode->op[2].ot;
1171
1172    tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0);
1173    gen_helper_crc32(s->T0, s->tmp2_i32, s->T1, tcg_constant_i32(8 << ot));
1174}
1175
1176static void gen_CVTPI2Px(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1177{
1178    gen_helper_enter_mmx(tcg_env);
1179    if (s->prefix & PREFIX_DATA) {
1180        gen_helper_cvtpi2pd(tcg_env, OP_PTR0, OP_PTR2);
1181    } else {
1182        gen_helper_cvtpi2ps(tcg_env, OP_PTR0, OP_PTR2);
1183    }
1184}
1185
1186static void gen_CVTPx2PI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1187{
1188    gen_helper_enter_mmx(tcg_env);
1189    if (s->prefix & PREFIX_DATA) {
1190        gen_helper_cvtpd2pi(tcg_env, OP_PTR0, OP_PTR2);
1191    } else {
1192        gen_helper_cvtps2pi(tcg_env, OP_PTR0, OP_PTR2);
1193    }
1194}
1195
1196static void gen_CVTTPx2PI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1197{
1198    gen_helper_enter_mmx(tcg_env);
1199    if (s->prefix & PREFIX_DATA) {
1200        gen_helper_cvttpd2pi(tcg_env, OP_PTR0, OP_PTR2);
1201    } else {
1202        gen_helper_cvttps2pi(tcg_env, OP_PTR0, OP_PTR2);
1203    }
1204}
1205
1206static void gen_EMMS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1207{
1208    gen_helper_emms(tcg_env);
1209}
1210
1211static void gen_EXTRQ_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1212{
1213    TCGv_i32 length = tcg_constant_i32(decode->immediate & 63);
1214    TCGv_i32 index = tcg_constant_i32((decode->immediate >> 8) & 63);
1215
1216    gen_helper_extrq_i(tcg_env, OP_PTR0, index, length);
1217}
1218
1219static void gen_EXTRQ_r(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1220{
1221    gen_helper_extrq_r(tcg_env, OP_PTR0, OP_PTR2);
1222}
1223
1224static void gen_INSERTQ_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1225{
1226    TCGv_i32 length = tcg_constant_i32(decode->immediate & 63);
1227    TCGv_i32 index = tcg_constant_i32((decode->immediate >> 8) & 63);
1228
1229    gen_helper_insertq_i(tcg_env, OP_PTR0, OP_PTR1, index, length);
1230}
1231
1232static void gen_INSERTQ_r(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1233{
1234    gen_helper_insertq_r(tcg_env, OP_PTR0, OP_PTR2);
1235}
1236
1237static void gen_LDMXCSR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1238{
1239    if (s->vex_l) {
1240        gen_illegal_opcode(s);
1241        return;
1242    }
1243    tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T1);
1244    gen_helper_ldmxcsr(tcg_env, s->tmp2_i32);
1245}
1246
1247static void gen_MASKMOV(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1248{
1249    tcg_gen_mov_tl(s->A0, cpu_regs[R_EDI]);
1250    gen_extu(s->aflag, s->A0);
1251    gen_add_A0_ds_seg(s);
1252
1253    if (s->prefix & PREFIX_DATA) {
1254        gen_helper_maskmov_xmm(tcg_env, OP_PTR1, OP_PTR2, s->A0);
1255    } else {
1256        gen_helper_maskmov_mmx(tcg_env, OP_PTR1, OP_PTR2, s->A0);
1257    }
1258}
1259
1260static void gen_MOVBE(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1261{
1262    MemOp ot = decode->op[0].ot;
1263
1264    /* M operand type does not load/store */
1265    if (decode->e.op0 == X86_TYPE_M) {
1266        tcg_gen_qemu_st_tl(s->T0, s->A0, s->mem_index, ot | MO_BE);
1267    } else {
1268        tcg_gen_qemu_ld_tl(s->T0, s->A0, s->mem_index, ot | MO_BE);
1269    }
1270}
1271
1272static void gen_MOVD_from(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1273{
1274    MemOp ot = decode->op[2].ot;
1275
1276    switch (ot) {
1277    case MO_32:
1278#ifdef TARGET_X86_64
1279        tcg_gen_ld32u_tl(s->T0, tcg_env, decode->op[2].offset);
1280        break;
1281    case MO_64:
1282#endif
1283        tcg_gen_ld_tl(s->T0, tcg_env, decode->op[2].offset);
1284        break;
1285    default:
1286        abort();
1287    }
1288}
1289
1290static void gen_MOVD_to(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1291{
1292    MemOp ot = decode->op[2].ot;
1293    int vec_len = vector_len(s, decode);
1294    int lo_ofs = vector_elem_offset(&decode->op[0], ot, 0);
1295
1296    tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1297
1298    switch (ot) {
1299    case MO_32:
1300#ifdef TARGET_X86_64
1301        tcg_gen_st32_tl(s->T1, tcg_env, lo_ofs);
1302        break;
1303    case MO_64:
1304#endif
1305        tcg_gen_st_tl(s->T1, tcg_env, lo_ofs);
1306        break;
1307    default:
1308        g_assert_not_reached();
1309    }
1310}
1311
1312static void gen_MOVDQ(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1313{
1314    gen_store_sse(s, decode, decode->op[2].offset);
1315}
1316
1317static void gen_MOVMSK(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1318{
1319    typeof(gen_helper_movmskps_ymm) *ps, *pd, *fn;
1320    ps = s->vex_l ? gen_helper_movmskps_ymm : gen_helper_movmskps_xmm;
1321    pd = s->vex_l ? gen_helper_movmskpd_ymm : gen_helper_movmskpd_xmm;
1322    fn = s->prefix & PREFIX_DATA ? pd : ps;
1323    fn(s->tmp2_i32, tcg_env, OP_PTR2);
1324    tcg_gen_extu_i32_tl(s->T0, s->tmp2_i32);
1325}
1326
1327static void gen_MOVQ(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1328{
1329    int vec_len = vector_len(s, decode);
1330    int lo_ofs = vector_elem_offset(&decode->op[0], MO_64, 0);
1331
1332    tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[2].offset);
1333    if (decode->op[0].has_ea) {
1334        tcg_gen_qemu_st_i64(s->tmp1_i64, s->A0, s->mem_index, MO_LEUQ);
1335    } else {
1336        /*
1337         * tcg_gen_gvec_dup_i64(MO_64, op0.offset, 8, vec_len, s->tmp1_64) would
1338         * seem to work, but it does not on big-endian platforms; the cleared parts
1339         * are always at higher addresses, but cross-endian emulation inverts the
1340         * byte order so that the cleared parts need to be at *lower* addresses.
1341         * Because oprsz is 8, we see this here even for SSE; but more in general,
1342         * it disqualifies using oprsz < maxsz to emulate VEX128.
1343         */
1344        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1345        tcg_gen_st_i64(s->tmp1_i64, tcg_env, lo_ofs);
1346    }
1347}
1348
1349static void gen_MOVq_dq(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1350{
1351    gen_helper_enter_mmx(tcg_env);
1352    /* Otherwise the same as any other movq.  */
1353    return gen_MOVQ(s, env, decode);
1354}
1355
1356static void gen_MULX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1357{
1358    MemOp ot = decode->op[0].ot;
1359
1360    /* low part of result in VEX.vvvv, high in MODRM */
1361    switch (ot) {
1362    default:
1363        tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0);
1364        tcg_gen_trunc_tl_i32(s->tmp3_i32, s->T1);
1365        tcg_gen_mulu2_i32(s->tmp2_i32, s->tmp3_i32,
1366                          s->tmp2_i32, s->tmp3_i32);
1367        tcg_gen_extu_i32_tl(cpu_regs[s->vex_v], s->tmp2_i32);
1368        tcg_gen_extu_i32_tl(s->T0, s->tmp3_i32);
1369        break;
1370#ifdef TARGET_X86_64
1371    case MO_64:
1372        tcg_gen_mulu2_i64(cpu_regs[s->vex_v], s->T0, s->T0, s->T1);
1373        break;
1374#endif
1375    }
1376
1377}
1378
1379static void gen_PALIGNR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1380{
1381    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1382    if (!(s->prefix & PREFIX_DATA)) {
1383        gen_helper_palignr_mmx(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
1384    } else if (!s->vex_l) {
1385        gen_helper_palignr_xmm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
1386    } else {
1387        gen_helper_palignr_ymm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
1388    }
1389}
1390
1391static void gen_PANDN(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1392{
1393    int vec_len = vector_len(s, decode);
1394
1395    /* Careful, operand order is reversed!  */
1396    tcg_gen_gvec_andc(MO_64,
1397                      decode->op[0].offset, decode->op[2].offset,
1398                      decode->op[1].offset, vec_len, vec_len);
1399}
1400
1401static void gen_PCMPESTRI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1402{
1403    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1404    gen_helper_pcmpestri_xmm(tcg_env, OP_PTR1, OP_PTR2, imm);
1405    set_cc_op(s, CC_OP_EFLAGS);
1406}
1407
1408static void gen_PCMPESTRM(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1409{
1410    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1411    gen_helper_pcmpestrm_xmm(tcg_env, OP_PTR1, OP_PTR2, imm);
1412    set_cc_op(s, CC_OP_EFLAGS);
1413    if ((s->prefix & PREFIX_VEX) && !s->vex_l) {
1414        tcg_gen_gvec_dup_imm(MO_64, offsetof(CPUX86State, xmm_regs[0].ZMM_X(1)),
1415                             16, 16, 0);
1416    }
1417}
1418
1419static void gen_PCMPISTRI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1420{
1421    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1422    gen_helper_pcmpistri_xmm(tcg_env, OP_PTR1, OP_PTR2, imm);
1423    set_cc_op(s, CC_OP_EFLAGS);
1424}
1425
1426static void gen_PCMPISTRM(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1427{
1428    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1429    gen_helper_pcmpistrm_xmm(tcg_env, OP_PTR1, OP_PTR2, imm);
1430    set_cc_op(s, CC_OP_EFLAGS);
1431    if ((s->prefix & PREFIX_VEX) && !s->vex_l) {
1432        tcg_gen_gvec_dup_imm(MO_64, offsetof(CPUX86State, xmm_regs[0].ZMM_X(1)),
1433                             16, 16, 0);
1434    }
1435}
1436
1437static void gen_PDEP(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1438{
1439    MemOp ot = decode->op[1].ot;
1440    if (ot < MO_64) {
1441        tcg_gen_ext32u_tl(s->T0, s->T0);
1442    }
1443    gen_helper_pdep(s->T0, s->T0, s->T1);
1444}
1445
1446static void gen_PEXT(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1447{
1448    MemOp ot = decode->op[1].ot;
1449    if (ot < MO_64) {
1450        tcg_gen_ext32u_tl(s->T0, s->T0);
1451    }
1452    gen_helper_pext(s->T0, s->T0, s->T1);
1453}
1454
1455static inline void gen_pextr(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode, MemOp ot)
1456{
1457    int vec_len = vector_len(s, decode);
1458    int mask = (vec_len >> ot) - 1;
1459    int val = decode->immediate & mask;
1460
1461    switch (ot) {
1462    case MO_8:
1463        tcg_gen_ld8u_tl(s->T0, tcg_env, vector_elem_offset(&decode->op[1], ot, val));
1464        break;
1465    case MO_16:
1466        tcg_gen_ld16u_tl(s->T0, tcg_env, vector_elem_offset(&decode->op[1], ot, val));
1467        break;
1468    case MO_32:
1469#ifdef TARGET_X86_64
1470        tcg_gen_ld32u_tl(s->T0, tcg_env, vector_elem_offset(&decode->op[1], ot, val));
1471        break;
1472    case MO_64:
1473#endif
1474        tcg_gen_ld_tl(s->T0, tcg_env, vector_elem_offset(&decode->op[1], ot, val));
1475        break;
1476    default:
1477        abort();
1478    }
1479}
1480
1481static void gen_PEXTRB(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1482{
1483    gen_pextr(s, env, decode, MO_8);
1484}
1485
1486static void gen_PEXTRW(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1487{
1488    gen_pextr(s, env, decode, MO_16);
1489}
1490
1491static void gen_PEXTR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1492{
1493    MemOp ot = decode->op[0].ot;
1494    gen_pextr(s, env, decode, ot);
1495}
1496
1497static inline void gen_pinsr(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode, MemOp ot)
1498{
1499    int vec_len = vector_len(s, decode);
1500    int mask = (vec_len >> ot) - 1;
1501    int val = decode->immediate & mask;
1502
1503    if (decode->op[1].offset != decode->op[0].offset) {
1504        assert(vec_len == 16);
1505        gen_store_sse(s, decode, decode->op[1].offset);
1506    }
1507
1508    switch (ot) {
1509    case MO_8:
1510        tcg_gen_st8_tl(s->T1, tcg_env, vector_elem_offset(&decode->op[0], ot, val));
1511        break;
1512    case MO_16:
1513        tcg_gen_st16_tl(s->T1, tcg_env, vector_elem_offset(&decode->op[0], ot, val));
1514        break;
1515    case MO_32:
1516#ifdef TARGET_X86_64
1517        tcg_gen_st32_tl(s->T1, tcg_env, vector_elem_offset(&decode->op[0], ot, val));
1518        break;
1519    case MO_64:
1520#endif
1521        tcg_gen_st_tl(s->T1, tcg_env, vector_elem_offset(&decode->op[0], ot, val));
1522        break;
1523    default:
1524        abort();
1525    }
1526}
1527
1528static void gen_PINSRB(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1529{
1530    gen_pinsr(s, env, decode, MO_8);
1531}
1532
1533static void gen_PINSRW(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1534{
1535    gen_pinsr(s, env, decode, MO_16);
1536}
1537
1538static void gen_PINSR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1539{
1540    gen_pinsr(s, env, decode, decode->op[2].ot);
1541}
1542
1543static void gen_pmovmskb_i64(TCGv_i64 d, TCGv_i64 s)
1544{
1545    TCGv_i64 t = tcg_temp_new_i64();
1546
1547    tcg_gen_andi_i64(d, s, 0x8080808080808080ull);
1548
1549    /*
1550     * After each shift+or pair:
1551     * 0:  a.......b.......c.......d.......e.......f.......g.......h.......
1552     * 7:  ab......bc......cd......de......ef......fg......gh......h.......
1553     * 14: abcd....bcde....cdef....defg....efgh....fgh.....gh......h.......
1554     * 28: abcdefghbcdefgh.cdefgh..defgh...efgh....fgh.....gh......h.......
1555     * The result is left in the high bits of the word.
1556     */
1557    tcg_gen_shli_i64(t, d, 7);
1558    tcg_gen_or_i64(d, d, t);
1559    tcg_gen_shli_i64(t, d, 14);
1560    tcg_gen_or_i64(d, d, t);
1561    tcg_gen_shli_i64(t, d, 28);
1562    tcg_gen_or_i64(d, d, t);
1563}
1564
1565static void gen_pmovmskb_vec(unsigned vece, TCGv_vec d, TCGv_vec s)
1566{
1567    TCGv_vec t = tcg_temp_new_vec_matching(d);
1568    TCGv_vec m = tcg_constant_vec_matching(d, MO_8, 0x80);
1569
1570    /* See above */
1571    tcg_gen_and_vec(vece, d, s, m);
1572    tcg_gen_shli_vec(vece, t, d, 7);
1573    tcg_gen_or_vec(vece, d, d, t);
1574    tcg_gen_shli_vec(vece, t, d, 14);
1575    tcg_gen_or_vec(vece, d, d, t);
1576    tcg_gen_shli_vec(vece, t, d, 28);
1577    tcg_gen_or_vec(vece, d, d, t);
1578}
1579
1580#ifdef TARGET_X86_64
1581#define TCG_TARGET_HAS_extract2_tl TCG_TARGET_HAS_extract2_i64
1582#else
1583#define TCG_TARGET_HAS_extract2_tl TCG_TARGET_HAS_extract2_i32
1584#endif
1585
1586static void gen_PMOVMSKB(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1587{
1588    static const TCGOpcode vecop_list[] = { INDEX_op_shli_vec, 0 };
1589    static const GVecGen2 g = {
1590        .fni8 = gen_pmovmskb_i64,
1591        .fniv = gen_pmovmskb_vec,
1592        .opt_opc = vecop_list,
1593        .vece = MO_64,
1594        .prefer_i64 = TCG_TARGET_REG_BITS == 64
1595    };
1596    MemOp ot = decode->op[2].ot;
1597    int vec_len = vector_len(s, decode);
1598    TCGv t = tcg_temp_new();
1599
1600    tcg_gen_gvec_2(offsetof(CPUX86State, xmm_t0) + xmm_offset(ot), decode->op[2].offset,
1601                   vec_len, vec_len, &g);
1602    tcg_gen_ld8u_tl(s->T0, tcg_env, offsetof(CPUX86State, xmm_t0.ZMM_B(vec_len - 1)));
1603    while (vec_len > 8) {
1604        vec_len -= 8;
1605        if (TCG_TARGET_HAS_extract2_tl) {
1606            /*
1607             * Load the next byte of the result into the high byte of T.
1608             * TCG does a similar expansion of deposit to shl+extract2; by
1609             * loading the whole word, the shift left is avoided.
1610             */
1611#ifdef TARGET_X86_64
1612            tcg_gen_ld_tl(t, tcg_env, offsetof(CPUX86State, xmm_t0.ZMM_Q((vec_len - 1) / 8)));
1613#else
1614            tcg_gen_ld_tl(t, tcg_env, offsetof(CPUX86State, xmm_t0.ZMM_L((vec_len - 1) / 4)));
1615#endif
1616
1617            tcg_gen_extract2_tl(s->T0, t, s->T0, TARGET_LONG_BITS - 8);
1618        } else {
1619            /*
1620             * The _previous_ value is deposited into bits 8 and higher of t.  Because
1621             * those bits are known to be zero after ld8u, this becomes a shift+or
1622             * if deposit is not available.
1623             */
1624            tcg_gen_ld8u_tl(t, tcg_env, offsetof(CPUX86State, xmm_t0.ZMM_B(vec_len - 1)));
1625            tcg_gen_deposit_tl(s->T0, t, s->T0, 8, TARGET_LONG_BITS - 8);
1626        }
1627    }
1628}
1629
1630static void gen_PSHUFW(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1631{
1632    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1633    gen_helper_pshufw_mmx(OP_PTR0, OP_PTR1, imm);
1634}
1635
1636static void gen_PSRLW_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1637{
1638    int vec_len = vector_len(s, decode);
1639
1640    if (decode->immediate >= 16) {
1641        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1642    } else {
1643        tcg_gen_gvec_shri(MO_16,
1644                          decode->op[0].offset, decode->op[1].offset,
1645                          decode->immediate, vec_len, vec_len);
1646    }
1647}
1648
1649static void gen_PSLLW_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1650{
1651    int vec_len = vector_len(s, decode);
1652
1653    if (decode->immediate >= 16) {
1654        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1655    } else {
1656        tcg_gen_gvec_shli(MO_16,
1657                          decode->op[0].offset, decode->op[1].offset,
1658                          decode->immediate, vec_len, vec_len);
1659    }
1660}
1661
1662static void gen_PSRAW_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1663{
1664    int vec_len = vector_len(s, decode);
1665
1666    if (decode->immediate >= 16) {
1667        decode->immediate = 15;
1668    }
1669    tcg_gen_gvec_sari(MO_16,
1670                      decode->op[0].offset, decode->op[1].offset,
1671                      decode->immediate, vec_len, vec_len);
1672}
1673
1674static void gen_PSRLD_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1675{
1676    int vec_len = vector_len(s, decode);
1677
1678    if (decode->immediate >= 32) {
1679        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1680    } else {
1681        tcg_gen_gvec_shri(MO_32,
1682                          decode->op[0].offset, decode->op[1].offset,
1683                          decode->immediate, vec_len, vec_len);
1684    }
1685}
1686
1687static void gen_PSLLD_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1688{
1689    int vec_len = vector_len(s, decode);
1690
1691    if (decode->immediate >= 32) {
1692        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1693    } else {
1694        tcg_gen_gvec_shli(MO_32,
1695                          decode->op[0].offset, decode->op[1].offset,
1696                          decode->immediate, vec_len, vec_len);
1697    }
1698}
1699
1700static void gen_PSRAD_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1701{
1702    int vec_len = vector_len(s, decode);
1703
1704    if (decode->immediate >= 32) {
1705        decode->immediate = 31;
1706    }
1707    tcg_gen_gvec_sari(MO_32,
1708                      decode->op[0].offset, decode->op[1].offset,
1709                      decode->immediate, vec_len, vec_len);
1710}
1711
1712static void gen_PSRLQ_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1713{
1714    int vec_len = vector_len(s, decode);
1715
1716    if (decode->immediate >= 64) {
1717        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1718    } else {
1719        tcg_gen_gvec_shri(MO_64,
1720                          decode->op[0].offset, decode->op[1].offset,
1721                          decode->immediate, vec_len, vec_len);
1722    }
1723}
1724
1725static void gen_PSLLQ_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1726{
1727    int vec_len = vector_len(s, decode);
1728
1729    if (decode->immediate >= 64) {
1730        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
1731    } else {
1732        tcg_gen_gvec_shli(MO_64,
1733                          decode->op[0].offset, decode->op[1].offset,
1734                          decode->immediate, vec_len, vec_len);
1735    }
1736}
1737
1738static TCGv_ptr make_imm8u_xmm_vec(uint8_t imm, int vec_len)
1739{
1740    MemOp ot = vec_len == 16 ? MO_128 : MO_256;
1741    TCGv_i32 imm_v = tcg_constant8u_i32(imm);
1742    TCGv_ptr ptr = tcg_temp_new_ptr();
1743
1744    tcg_gen_gvec_dup_imm(MO_64, offsetof(CPUX86State, xmm_t0) + xmm_offset(ot),
1745                         vec_len, vec_len, 0);
1746
1747    tcg_gen_addi_ptr(ptr, tcg_env, offsetof(CPUX86State, xmm_t0));
1748    tcg_gen_st_i32(imm_v, tcg_env, offsetof(CPUX86State, xmm_t0.ZMM_L(0)));
1749    return ptr;
1750}
1751
1752static void gen_PSRLDQ_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1753{
1754    int vec_len = vector_len(s, decode);
1755    TCGv_ptr imm_vec = make_imm8u_xmm_vec(decode->immediate, vec_len);
1756
1757    if (s->vex_l) {
1758        gen_helper_psrldq_ymm(tcg_env, OP_PTR0, OP_PTR1, imm_vec);
1759    } else {
1760        gen_helper_psrldq_xmm(tcg_env, OP_PTR0, OP_PTR1, imm_vec);
1761    }
1762}
1763
1764static void gen_PSLLDQ_i(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1765{
1766    int vec_len = vector_len(s, decode);
1767    TCGv_ptr imm_vec = make_imm8u_xmm_vec(decode->immediate, vec_len);
1768
1769    if (s->vex_l) {
1770        gen_helper_pslldq_ymm(tcg_env, OP_PTR0, OP_PTR1, imm_vec);
1771    } else {
1772        gen_helper_pslldq_xmm(tcg_env, OP_PTR0, OP_PTR1, imm_vec);
1773    }
1774}
1775
1776static void gen_RORX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1777{
1778    MemOp ot = decode->op[0].ot;
1779    int b = decode->immediate;
1780
1781    if (ot == MO_64) {
1782        tcg_gen_rotri_tl(s->T0, s->T0, b & 63);
1783    } else {
1784        tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0);
1785        tcg_gen_rotri_i32(s->tmp2_i32, s->tmp2_i32, b & 31);
1786        tcg_gen_extu_i32_tl(s->T0, s->tmp2_i32);
1787    }
1788}
1789
1790static void gen_SARX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1791{
1792    MemOp ot = decode->op[0].ot;
1793    int mask;
1794
1795    mask = ot == MO_64 ? 63 : 31;
1796    tcg_gen_andi_tl(s->T1, s->T1, mask);
1797    if (ot != MO_64) {
1798        tcg_gen_ext32s_tl(s->T0, s->T0);
1799    }
1800    tcg_gen_sar_tl(s->T0, s->T0, s->T1);
1801}
1802
1803static void gen_SHLX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1804{
1805    MemOp ot = decode->op[0].ot;
1806    int mask;
1807
1808    mask = ot == MO_64 ? 63 : 31;
1809    tcg_gen_andi_tl(s->T1, s->T1, mask);
1810    tcg_gen_shl_tl(s->T0, s->T0, s->T1);
1811}
1812
1813static void gen_SHRX(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1814{
1815    MemOp ot = decode->op[0].ot;
1816    int mask;
1817
1818    mask = ot == MO_64 ? 63 : 31;
1819    tcg_gen_andi_tl(s->T1, s->T1, mask);
1820    if (ot != MO_64) {
1821        tcg_gen_ext32u_tl(s->T0, s->T0);
1822    }
1823    tcg_gen_shr_tl(s->T0, s->T0, s->T1);
1824}
1825
1826static void gen_VAESKEYGEN(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1827{
1828    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
1829    assert(!s->vex_l);
1830    gen_helper_aeskeygenassist_xmm(tcg_env, OP_PTR0, OP_PTR1, imm);
1831}
1832
1833static void gen_STMXCSR(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1834{
1835    if (s->vex_l) {
1836        gen_illegal_opcode(s);
1837        return;
1838    }
1839    gen_helper_update_mxcsr(tcg_env);
1840    tcg_gen_ld32u_tl(s->T0, tcg_env, offsetof(CPUX86State, mxcsr));
1841}
1842
1843static void gen_VAESIMC(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1844{
1845    assert(!s->vex_l);
1846    gen_helper_aesimc_xmm(tcg_env, OP_PTR0, OP_PTR2);
1847}
1848
1849/*
1850 * 00 = v*ps Vps, Hps, Wpd
1851 * 66 = v*pd Vpd, Hpd, Wps
1852 * f3 = v*ss Vss, Hss, Wps
1853 * f2 = v*sd Vsd, Hsd, Wps
1854 */
1855#define SSE_CMP(x) { \
1856    gen_helper_ ## x ## ps ## _xmm, gen_helper_ ## x ## pd ## _xmm, \
1857    gen_helper_ ## x ## ss, gen_helper_ ## x ## sd, \
1858    gen_helper_ ## x ## ps ## _ymm, gen_helper_ ## x ## pd ## _ymm}
1859static const SSEFunc_0_eppp gen_helper_cmp_funcs[32][6] = {
1860    SSE_CMP(cmpeq),
1861    SSE_CMP(cmplt),
1862    SSE_CMP(cmple),
1863    SSE_CMP(cmpunord),
1864    SSE_CMP(cmpneq),
1865    SSE_CMP(cmpnlt),
1866    SSE_CMP(cmpnle),
1867    SSE_CMP(cmpord),
1868
1869    SSE_CMP(cmpequ),
1870    SSE_CMP(cmpnge),
1871    SSE_CMP(cmpngt),
1872    SSE_CMP(cmpfalse),
1873    SSE_CMP(cmpnequ),
1874    SSE_CMP(cmpge),
1875    SSE_CMP(cmpgt),
1876    SSE_CMP(cmptrue),
1877
1878    SSE_CMP(cmpeqs),
1879    SSE_CMP(cmpltq),
1880    SSE_CMP(cmpleq),
1881    SSE_CMP(cmpunords),
1882    SSE_CMP(cmpneqq),
1883    SSE_CMP(cmpnltq),
1884    SSE_CMP(cmpnleq),
1885    SSE_CMP(cmpords),
1886
1887    SSE_CMP(cmpequs),
1888    SSE_CMP(cmpngeq),
1889    SSE_CMP(cmpngtq),
1890    SSE_CMP(cmpfalses),
1891    SSE_CMP(cmpnequs),
1892    SSE_CMP(cmpgeq),
1893    SSE_CMP(cmpgtq),
1894    SSE_CMP(cmptrues),
1895};
1896#undef SSE_CMP
1897
1898static void gen_VCMP(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1899{
1900    int index = decode->immediate & (s->prefix & PREFIX_VEX ? 31 : 7);
1901    int b =
1902        s->prefix & PREFIX_REPZ  ? 2 /* ss */ :
1903        s->prefix & PREFIX_REPNZ ? 3 /* sd */ :
1904        !!(s->prefix & PREFIX_DATA) /* pd */ + (s->vex_l << 2);
1905
1906    gen_helper_cmp_funcs[index][b](tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
1907}
1908
1909static void gen_VCOMI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1910{
1911    SSEFunc_0_epp fn;
1912    fn = s->prefix & PREFIX_DATA ? gen_helper_comisd : gen_helper_comiss;
1913    fn(tcg_env, OP_PTR1, OP_PTR2);
1914    set_cc_op(s, CC_OP_EFLAGS);
1915}
1916
1917static void gen_VCVTPD2PS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1918{
1919    if (s->vex_l) {
1920        gen_helper_cvtpd2ps_ymm(tcg_env, OP_PTR0, OP_PTR2);
1921    } else {
1922        gen_helper_cvtpd2ps_xmm(tcg_env, OP_PTR0, OP_PTR2);
1923    }
1924}
1925
1926static void gen_VCVTPS2PD(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1927{
1928    if (s->vex_l) {
1929        gen_helper_cvtps2pd_ymm(tcg_env, OP_PTR0, OP_PTR2);
1930    } else {
1931        gen_helper_cvtps2pd_xmm(tcg_env, OP_PTR0, OP_PTR2);
1932    }
1933}
1934
1935static void gen_VCVTPS2PH(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1936{
1937    gen_unary_imm_fp_sse(s, env, decode,
1938                      gen_helper_cvtps2ph_xmm,
1939                      gen_helper_cvtps2ph_ymm);
1940    /*
1941     * VCVTPS2PH is the only instruction that performs an operation on a
1942     * register source and then *stores* into memory.
1943     */
1944    if (decode->op[0].has_ea) {
1945        gen_store_sse(s, decode, decode->op[0].offset);
1946    }
1947}
1948
1949static void gen_VCVTSD2SS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1950{
1951    gen_helper_cvtsd2ss(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
1952}
1953
1954static void gen_VCVTSS2SD(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1955{
1956    gen_helper_cvtss2sd(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2);
1957}
1958
1959static void gen_VCVTSI2Sx(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
1960{
1961    int vec_len = vector_len(s, decode);
1962    TCGv_i32 in;
1963
1964    tcg_gen_gvec_mov(MO_64, decode->op[0].offset, decode->op[1].offset, vec_len, vec_len);
1965
1966#ifdef TARGET_X86_64
1967    MemOp ot = decode->op[2].ot;
1968    if (ot == MO_64) {
1969        if (s->prefix & PREFIX_REPNZ) {
1970            gen_helper_cvtsq2sd(tcg_env, OP_PTR0, s->T1);
1971        } else {
1972            gen_helper_cvtsq2ss(tcg_env, OP_PTR0, s->T1);
1973        }
1974        return;
1975    }
1976    in = s->tmp2_i32;
1977    tcg_gen_trunc_tl_i32(in, s->T1);
1978#else
1979    in = s->T1;
1980#endif
1981
1982    if (s->prefix & PREFIX_REPNZ) {
1983        gen_helper_cvtsi2sd(tcg_env, OP_PTR0, in);
1984    } else {
1985        gen_helper_cvtsi2ss(tcg_env, OP_PTR0, in);
1986    }
1987}
1988
1989static inline void gen_VCVTtSx2SI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
1990                                  SSEFunc_i_ep ss2si, SSEFunc_l_ep ss2sq,
1991                                  SSEFunc_i_ep sd2si, SSEFunc_l_ep sd2sq)
1992{
1993    TCGv_i32 out;
1994
1995#ifdef TARGET_X86_64
1996    MemOp ot = decode->op[0].ot;
1997    if (ot == MO_64) {
1998        if (s->prefix & PREFIX_REPNZ) {
1999            sd2sq(s->T0, tcg_env, OP_PTR2);
2000        } else {
2001            ss2sq(s->T0, tcg_env, OP_PTR2);
2002        }
2003        return;
2004    }
2005
2006    out = s->tmp2_i32;
2007#else
2008    out = s->T0;
2009#endif
2010    if (s->prefix & PREFIX_REPNZ) {
2011        sd2si(out, tcg_env, OP_PTR2);
2012    } else {
2013        ss2si(out, tcg_env, OP_PTR2);
2014    }
2015#ifdef TARGET_X86_64
2016    tcg_gen_extu_i32_tl(s->T0, out);
2017#endif
2018}
2019
2020#ifndef TARGET_X86_64
2021#define gen_helper_cvtss2sq NULL
2022#define gen_helper_cvtsd2sq NULL
2023#define gen_helper_cvttss2sq NULL
2024#define gen_helper_cvttsd2sq NULL
2025#endif
2026
2027static void gen_VCVTSx2SI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2028{
2029    gen_VCVTtSx2SI(s, env, decode,
2030                   gen_helper_cvtss2si, gen_helper_cvtss2sq,
2031                   gen_helper_cvtsd2si, gen_helper_cvtsd2sq);
2032}
2033
2034static void gen_VCVTTSx2SI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2035{
2036    gen_VCVTtSx2SI(s, env, decode,
2037                   gen_helper_cvttss2si, gen_helper_cvttss2sq,
2038                   gen_helper_cvttsd2si, gen_helper_cvttsd2sq);
2039}
2040
2041static void gen_VEXTRACTx128(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2042{
2043    int mask = decode->immediate & 1;
2044    int src_ofs = vector_elem_offset(&decode->op[1], MO_128, mask);
2045    if (decode->op[0].has_ea) {
2046        /* VEX-only instruction, no alignment requirements.  */
2047        gen_sto_env_A0(s, src_ofs, false);
2048    } else {
2049        tcg_gen_gvec_mov(MO_64, decode->op[0].offset, src_ofs, 16, 16);
2050    }
2051}
2052
2053static void gen_VEXTRACTPS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2054{
2055    gen_pextr(s, env, decode, MO_32);
2056}
2057
2058static void gen_vinsertps(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2059{
2060    int val = decode->immediate;
2061    int dest_word = (val >> 4) & 3;
2062    int new_mask = (val & 15) | (1 << dest_word);
2063    int vec_len = 16;
2064
2065    assert(!s->vex_l);
2066
2067    if (new_mask == 15) {
2068        /* All zeroes except possibly for the inserted element */
2069        tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
2070    } else if (decode->op[1].offset != decode->op[0].offset) {
2071        gen_store_sse(s, decode, decode->op[1].offset);
2072    }
2073
2074    if (new_mask != (val & 15)) {
2075        tcg_gen_st_i32(s->tmp2_i32, tcg_env,
2076                       vector_elem_offset(&decode->op[0], MO_32, dest_word));
2077    }
2078
2079    if (new_mask != 15) {
2080        TCGv_i32 zero = tcg_constant_i32(0); /* float32_zero */
2081        int i;
2082        for (i = 0; i < 4; i++) {
2083            if ((val >> i) & 1) {
2084                tcg_gen_st_i32(zero, tcg_env,
2085                               vector_elem_offset(&decode->op[0], MO_32, i));
2086            }
2087        }
2088    }
2089}
2090
2091static void gen_VINSERTPS_r(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2092{
2093    int val = decode->immediate;
2094    tcg_gen_ld_i32(s->tmp2_i32, tcg_env,
2095                   vector_elem_offset(&decode->op[2], MO_32, (val >> 6) & 3));
2096    gen_vinsertps(s, env, decode);
2097}
2098
2099static void gen_VINSERTPS_m(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2100{
2101    tcg_gen_qemu_ld_i32(s->tmp2_i32, s->A0, s->mem_index, MO_LEUL);
2102    gen_vinsertps(s, env, decode);
2103}
2104
2105static void gen_VINSERTx128(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2106{
2107    int mask = decode->immediate & 1;
2108    tcg_gen_gvec_mov(MO_64,
2109                     decode->op[0].offset + offsetof(YMMReg, YMM_X(mask)),
2110                     decode->op[2].offset + offsetof(YMMReg, YMM_X(0)), 16, 16);
2111    tcg_gen_gvec_mov(MO_64,
2112                     decode->op[0].offset + offsetof(YMMReg, YMM_X(!mask)),
2113                     decode->op[1].offset + offsetof(YMMReg, YMM_X(!mask)), 16, 16);
2114}
2115
2116static inline void gen_maskmov(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode,
2117                               SSEFunc_0_eppt xmm, SSEFunc_0_eppt ymm)
2118{
2119    if (!s->vex_l) {
2120        xmm(tcg_env, OP_PTR2, OP_PTR1, s->A0);
2121    } else {
2122        ymm(tcg_env, OP_PTR2, OP_PTR1, s->A0);
2123    }
2124}
2125
2126static void gen_VMASKMOVPD_st(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2127{
2128    gen_maskmov(s, env, decode, gen_helper_vpmaskmovq_st_xmm, gen_helper_vpmaskmovq_st_ymm);
2129}
2130
2131static void gen_VMASKMOVPS_st(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2132{
2133    gen_maskmov(s, env, decode, gen_helper_vpmaskmovd_st_xmm, gen_helper_vpmaskmovd_st_ymm);
2134}
2135
2136static void gen_VMOVHPx_ld(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2137{
2138    gen_ldq_env_A0(s, decode->op[0].offset + offsetof(XMMReg, XMM_Q(1)));
2139    if (decode->op[0].offset != decode->op[1].offset) {
2140        tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[1].offset + offsetof(XMMReg, XMM_Q(0)));
2141        tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(0)));
2142    }
2143}
2144
2145static void gen_VMOVHPx_st(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2146{
2147    gen_stq_env_A0(s, decode->op[2].offset + offsetof(XMMReg, XMM_Q(1)));
2148}
2149
2150static void gen_VMOVHPx(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2151{
2152    if (decode->op[0].offset != decode->op[2].offset) {
2153        tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[2].offset + offsetof(XMMReg, XMM_Q(1)));
2154        tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(1)));
2155    }
2156    if (decode->op[0].offset != decode->op[1].offset) {
2157        tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[1].offset + offsetof(XMMReg, XMM_Q(0)));
2158        tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(0)));
2159    }
2160}
2161
2162static void gen_VMOVHLPS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2163{
2164    tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[2].offset + offsetof(XMMReg, XMM_Q(1)));
2165    tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(0)));
2166    if (decode->op[0].offset != decode->op[1].offset) {
2167        tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[1].offset + offsetof(XMMReg, XMM_Q(1)));
2168        tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(1)));
2169    }
2170}
2171
2172static void gen_VMOVLHPS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2173{
2174    tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[2].offset);
2175    tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(1)));
2176    if (decode->op[0].offset != decode->op[1].offset) {
2177        tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[1].offset + offsetof(XMMReg, XMM_Q(0)));
2178        tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(0)));
2179    }
2180}
2181
2182/*
2183 * Note that MOVLPx supports 256-bit operation unlike MOVHLPx, MOVLHPx, MOXHPx.
2184 * Use a gvec move to move everything above the bottom 64 bits.
2185 */
2186
2187static void gen_VMOVLPx(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2188{
2189    int vec_len = vector_len(s, decode);
2190
2191    tcg_gen_ld_i64(s->tmp1_i64, tcg_env, decode->op[2].offset + offsetof(XMMReg, XMM_Q(0)));
2192    tcg_gen_gvec_mov(MO_64, decode->op[0].offset, decode->op[1].offset, vec_len, vec_len);
2193    tcg_gen_st_i64(s->tmp1_i64, tcg_env, decode->op[0].offset + offsetof(XMMReg, XMM_Q(0)));
2194}
2195
2196static void gen_VMOVLPx_ld(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2197{
2198    int vec_len = vector_len(s, decode);
2199
2200    tcg_gen_qemu_ld_i64(s->tmp1_i64, s->A0, s->mem_index, MO_LEUQ);
2201    tcg_gen_gvec_mov(MO_64, decode->op[0].offset, decode->op[1].offset, vec_len, vec_len);
2202    tcg_gen_st_i64(s->tmp1_i64, OP_PTR0, offsetof(ZMMReg, ZMM_Q(0)));
2203}
2204
2205static void gen_VMOVLPx_st(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2206{
2207    tcg_gen_ld_i64(s->tmp1_i64, OP_PTR2, offsetof(ZMMReg, ZMM_Q(0)));
2208    tcg_gen_qemu_st_i64(s->tmp1_i64, s->A0, s->mem_index, MO_LEUQ);
2209}
2210
2211static void gen_VMOVSD_ld(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2212{
2213    TCGv_i64 zero = tcg_constant_i64(0);
2214
2215    tcg_gen_qemu_ld_i64(s->tmp1_i64, s->A0, s->mem_index, MO_LEUQ);
2216    tcg_gen_st_i64(zero, OP_PTR0, offsetof(ZMMReg, ZMM_Q(1)));
2217    tcg_gen_st_i64(s->tmp1_i64, OP_PTR0, offsetof(ZMMReg, ZMM_Q(0)));
2218}
2219
2220static void gen_VMOVSS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2221{
2222    int vec_len = vector_len(s, decode);
2223
2224    tcg_gen_ld_i32(s->tmp2_i32, OP_PTR2, offsetof(ZMMReg, ZMM_L(0)));
2225    tcg_gen_gvec_mov(MO_64, decode->op[0].offset, decode->op[1].offset, vec_len, vec_len);
2226    tcg_gen_st_i32(s->tmp2_i32, OP_PTR0, offsetof(ZMMReg, ZMM_L(0)));
2227}
2228
2229static void gen_VMOVSS_ld(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2230{
2231    int vec_len = vector_len(s, decode);
2232
2233    tcg_gen_qemu_ld_i32(s->tmp2_i32, s->A0, s->mem_index, MO_LEUL);
2234    tcg_gen_gvec_dup_imm(MO_64, decode->op[0].offset, vec_len, vec_len, 0);
2235    tcg_gen_st_i32(s->tmp2_i32, OP_PTR0, offsetof(ZMMReg, ZMM_L(0)));
2236}
2237
2238static void gen_VMOVSS_st(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2239{
2240    tcg_gen_ld_i32(s->tmp2_i32, OP_PTR2, offsetof(ZMMReg, ZMM_L(0)));
2241    tcg_gen_qemu_st_i32(s->tmp2_i32, s->A0, s->mem_index, MO_LEUL);
2242}
2243
2244static void gen_VPMASKMOV_st(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2245{
2246    if (s->vex_w) {
2247        gen_VMASKMOVPD_st(s, env, decode);
2248    } else {
2249        gen_VMASKMOVPS_st(s, env, decode);
2250    }
2251}
2252
2253static void gen_VPERMD(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2254{
2255    assert(s->vex_l);
2256    gen_helper_vpermd_ymm(OP_PTR0, OP_PTR1, OP_PTR2);
2257}
2258
2259static void gen_VPERM2x128(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2260{
2261    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
2262    assert(s->vex_l);
2263    gen_helper_vpermdq_ymm(OP_PTR0, OP_PTR1, OP_PTR2, imm);
2264}
2265
2266static void gen_VPHMINPOSUW(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2267{
2268    assert(!s->vex_l);
2269    gen_helper_phminposuw_xmm(tcg_env, OP_PTR0, OP_PTR2);
2270}
2271
2272static void gen_VROUNDSD(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2273{
2274    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
2275    assert(!s->vex_l);
2276    gen_helper_roundsd_xmm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
2277}
2278
2279static void gen_VROUNDSS(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2280{
2281    TCGv_i32 imm = tcg_constant8u_i32(decode->immediate);
2282    assert(!s->vex_l);
2283    gen_helper_roundss_xmm(tcg_env, OP_PTR0, OP_PTR1, OP_PTR2, imm);
2284}
2285
2286static void gen_VSHUF(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2287{
2288    TCGv_i32 imm = tcg_constant_i32(decode->immediate);
2289    SSEFunc_0_pppi ps, pd, fn;
2290    ps = s->vex_l ? gen_helper_shufps_ymm : gen_helper_shufps_xmm;
2291    pd = s->vex_l ? gen_helper_shufpd_ymm : gen_helper_shufpd_xmm;
2292    fn = s->prefix & PREFIX_DATA ? pd : ps;
2293    fn(OP_PTR0, OP_PTR1, OP_PTR2, imm);
2294}
2295
2296static void gen_VUCOMI(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2297{
2298    SSEFunc_0_epp fn;
2299    fn = s->prefix & PREFIX_DATA ? gen_helper_ucomisd : gen_helper_ucomiss;
2300    fn(tcg_env, OP_PTR1, OP_PTR2);
2301    set_cc_op(s, CC_OP_EFLAGS);
2302}
2303
2304static void gen_VZEROALL(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2305{
2306    TCGv_ptr ptr = tcg_temp_new_ptr();
2307
2308    tcg_gen_addi_ptr(ptr, tcg_env, offsetof(CPUX86State, xmm_regs));
2309    gen_helper_memset(ptr, ptr, tcg_constant_i32(0),
2310                      tcg_constant_ptr(CPU_NB_REGS * sizeof(ZMMReg)));
2311}
2312
2313static void gen_VZEROUPPER(DisasContext *s, CPUX86State *env, X86DecodedInsn *decode)
2314{
2315    int i;
2316
2317    for (i = 0; i < CPU_NB_REGS; i++) {
2318        int offset = offsetof(CPUX86State, xmm_regs[i].ZMM_X(1));
2319        tcg_gen_gvec_dup_imm(MO_64, offset, 16, 16, 0);
2320    }
2321}
2322