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-rw-r--r--target/i386/translate.c8502
1 files changed, 8502 insertions, 0 deletions
diff --git a/target/i386/translate.c b/target/i386/translate.c
new file mode 100644
index 0000000000..324103c885
--- /dev/null
+++ b/target/i386/translate.c
@@ -0,0 +1,8502 @@
+/*
+ * i386 translation
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "qemu/osdep.h"
+
+#include "qemu/host-utils.h"
+#include "cpu.h"
+#include "disas/disas.h"
+#include "exec/exec-all.h"
+#include "tcg-op.h"
+#include "exec/cpu_ldst.h"
+
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
+
+#include "trace-tcg.h"
+#include "exec/log.h"
+
+
+#define PREFIX_REPZ 0x01
+#define PREFIX_REPNZ 0x02
+#define PREFIX_LOCK 0x04
+#define PREFIX_DATA 0x08
+#define PREFIX_ADR 0x10
+#define PREFIX_VEX 0x20
+
+#ifdef TARGET_X86_64
+#define CODE64(s) ((s)->code64)
+#define REX_X(s) ((s)->rex_x)
+#define REX_B(s) ((s)->rex_b)
+#else
+#define CODE64(s) 0
+#define REX_X(s) 0
+#define REX_B(s) 0
+#endif
+
+#ifdef TARGET_X86_64
+# define ctztl ctz64
+# define clztl clz64
+#else
+# define ctztl ctz32
+# define clztl clz32
+#endif
+
+/* For a switch indexed by MODRM, match all memory operands for a given OP. */
+#define CASE_MODRM_MEM_OP(OP) \
+ case (0 << 6) | (OP << 3) | 0 ... (0 << 6) | (OP << 3) | 7: \
+ case (1 << 6) | (OP << 3) | 0 ... (1 << 6) | (OP << 3) | 7: \
+ case (2 << 6) | (OP << 3) | 0 ... (2 << 6) | (OP << 3) | 7
+
+#define CASE_MODRM_OP(OP) \
+ case (0 << 6) | (OP << 3) | 0 ... (0 << 6) | (OP << 3) | 7: \
+ case (1 << 6) | (OP << 3) | 0 ... (1 << 6) | (OP << 3) | 7: \
+ case (2 << 6) | (OP << 3) | 0 ... (2 << 6) | (OP << 3) | 7: \
+ case (3 << 6) | (OP << 3) | 0 ... (3 << 6) | (OP << 3) | 7
+
+//#define MACRO_TEST 1
+
+/* global register indexes */
+static TCGv_env cpu_env;
+static TCGv cpu_A0;
+static TCGv cpu_cc_dst, cpu_cc_src, cpu_cc_src2, cpu_cc_srcT;
+static TCGv_i32 cpu_cc_op;
+static TCGv cpu_regs[CPU_NB_REGS];
+static TCGv cpu_seg_base[6];
+static TCGv_i64 cpu_bndl[4];
+static TCGv_i64 cpu_bndu[4];
+/* local temps */
+static TCGv cpu_T0, cpu_T1;
+/* local register indexes (only used inside old micro ops) */
+static TCGv cpu_tmp0, cpu_tmp4;
+static TCGv_ptr cpu_ptr0, cpu_ptr1;
+static TCGv_i32 cpu_tmp2_i32, cpu_tmp3_i32;
+static TCGv_i64 cpu_tmp1_i64;
+
+#include "exec/gen-icount.h"
+
+#ifdef TARGET_X86_64
+static int x86_64_hregs;
+#endif
+
+typedef struct DisasContext {
+ /* current insn context */
+ int override; /* -1 if no override */
+ int prefix;
+ TCGMemOp aflag;
+ TCGMemOp dflag;
+ target_ulong pc_start;
+ target_ulong pc; /* pc = eip + cs_base */
+ int is_jmp; /* 1 = means jump (stop translation), 2 means CPU
+ static state change (stop translation) */
+ /* current block context */
+ target_ulong cs_base; /* base of CS segment */
+ int pe; /* protected mode */
+ int code32; /* 32 bit code segment */
+#ifdef TARGET_X86_64
+ int lma; /* long mode active */
+ int code64; /* 64 bit code segment */
+ int rex_x, rex_b;
+#endif
+ int vex_l; /* vex vector length */
+ int vex_v; /* vex vvvv register, without 1's compliment. */
+ int ss32; /* 32 bit stack segment */
+ CCOp cc_op; /* current CC operation */
+ bool cc_op_dirty;
+ int addseg; /* non zero if either DS/ES/SS have a non zero base */
+ int f_st; /* currently unused */
+ int vm86; /* vm86 mode */
+ int cpl;
+ int iopl;
+ int tf; /* TF cpu flag */
+ int singlestep_enabled; /* "hardware" single step enabled */
+ int jmp_opt; /* use direct block chaining for direct jumps */
+ int repz_opt; /* optimize jumps within repz instructions */
+ int mem_index; /* select memory access functions */
+ uint64_t flags; /* all execution flags */
+ struct TranslationBlock *tb;
+ int popl_esp_hack; /* for correct popl with esp base handling */
+ int rip_offset; /* only used in x86_64, but left for simplicity */
+ int cpuid_features;
+ int cpuid_ext_features;
+ int cpuid_ext2_features;
+ int cpuid_ext3_features;
+ int cpuid_7_0_ebx_features;
+ int cpuid_xsave_features;
+} DisasContext;
+
+static void gen_eob(DisasContext *s);
+static void gen_jmp(DisasContext *s, target_ulong eip);
+static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num);
+static void gen_op(DisasContext *s1, int op, TCGMemOp ot, int d);
+
+/* i386 arith/logic operations */
+enum {
+ OP_ADDL,
+ OP_ORL,
+ OP_ADCL,
+ OP_SBBL,
+ OP_ANDL,
+ OP_SUBL,
+ OP_XORL,
+ OP_CMPL,
+};
+
+/* i386 shift ops */
+enum {
+ OP_ROL,
+ OP_ROR,
+ OP_RCL,
+ OP_RCR,
+ OP_SHL,
+ OP_SHR,
+ OP_SHL1, /* undocumented */
+ OP_SAR = 7,
+};
+
+enum {
+ JCC_O,
+ JCC_B,
+ JCC_Z,
+ JCC_BE,
+ JCC_S,
+ JCC_P,
+ JCC_L,
+ JCC_LE,
+};
+
+enum {
+ /* I386 int registers */
+ OR_EAX, /* MUST be even numbered */
+ OR_ECX,
+ OR_EDX,
+ OR_EBX,
+ OR_ESP,
+ OR_EBP,
+ OR_ESI,
+ OR_EDI,
+
+ OR_TMP0 = 16, /* temporary operand register */
+ OR_TMP1,
+ OR_A0, /* temporary register used when doing address evaluation */
+};
+
+enum {
+ USES_CC_DST = 1,
+ USES_CC_SRC = 2,
+ USES_CC_SRC2 = 4,
+ USES_CC_SRCT = 8,
+};
+
+/* Bit set if the global variable is live after setting CC_OP to X. */
+static const uint8_t cc_op_live[CC_OP_NB] = {
+ [CC_OP_DYNAMIC] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
+ [CC_OP_EFLAGS] = USES_CC_SRC,
+ [CC_OP_MULB ... CC_OP_MULQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_ADDB ... CC_OP_ADDQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_ADCB ... CC_OP_ADCQ] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
+ [CC_OP_SUBB ... CC_OP_SUBQ] = USES_CC_DST | USES_CC_SRC | USES_CC_SRCT,
+ [CC_OP_SBBB ... CC_OP_SBBQ] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
+ [CC_OP_LOGICB ... CC_OP_LOGICQ] = USES_CC_DST,
+ [CC_OP_INCB ... CC_OP_INCQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_DECB ... CC_OP_DECQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_SHLB ... CC_OP_SHLQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_SARB ... CC_OP_SARQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_BMILGB ... CC_OP_BMILGQ] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_ADCX] = USES_CC_DST | USES_CC_SRC,
+ [CC_OP_ADOX] = USES_CC_SRC | USES_CC_SRC2,
+ [CC_OP_ADCOX] = USES_CC_DST | USES_CC_SRC | USES_CC_SRC2,
+ [CC_OP_CLR] = 0,
+};
+
+static void set_cc_op(DisasContext *s, CCOp op)
+{
+ int dead;
+
+ if (s->cc_op == op) {
+ return;
+ }
+
+ /* Discard CC computation that will no longer be used. */
+ dead = cc_op_live[s->cc_op] & ~cc_op_live[op];
+ if (dead & USES_CC_DST) {
+ tcg_gen_discard_tl(cpu_cc_dst);
+ }
+ if (dead & USES_CC_SRC) {
+ tcg_gen_discard_tl(cpu_cc_src);
+ }
+ if (dead & USES_CC_SRC2) {
+ tcg_gen_discard_tl(cpu_cc_src2);
+ }
+ if (dead & USES_CC_SRCT) {
+ tcg_gen_discard_tl(cpu_cc_srcT);
+ }
+
+ if (op == CC_OP_DYNAMIC) {
+ /* The DYNAMIC setting is translator only, and should never be
+ stored. Thus we always consider it clean. */
+ s->cc_op_dirty = false;
+ } else {
+ /* Discard any computed CC_OP value (see shifts). */
+ if (s->cc_op == CC_OP_DYNAMIC) {
+ tcg_gen_discard_i32(cpu_cc_op);
+ }
+ s->cc_op_dirty = true;
+ }
+ s->cc_op = op;
+}
+
+static void gen_update_cc_op(DisasContext *s)
+{
+ if (s->cc_op_dirty) {
+ tcg_gen_movi_i32(cpu_cc_op, s->cc_op);
+ s->cc_op_dirty = false;
+ }
+}
+
+#ifdef TARGET_X86_64
+
+#define NB_OP_SIZES 4
+
+#else /* !TARGET_X86_64 */
+
+#define NB_OP_SIZES 3
+
+#endif /* !TARGET_X86_64 */
+
+#if defined(HOST_WORDS_BIGENDIAN)
+#define REG_B_OFFSET (sizeof(target_ulong) - 1)
+#define REG_H_OFFSET (sizeof(target_ulong) - 2)
+#define REG_W_OFFSET (sizeof(target_ulong) - 2)
+#define REG_L_OFFSET (sizeof(target_ulong) - 4)
+#define REG_LH_OFFSET (sizeof(target_ulong) - 8)
+#else
+#define REG_B_OFFSET 0
+#define REG_H_OFFSET 1
+#define REG_W_OFFSET 0
+#define REG_L_OFFSET 0
+#define REG_LH_OFFSET 4
+#endif
+
+/* In instruction encodings for byte register accesses the
+ * register number usually indicates "low 8 bits of register N";
+ * however there are some special cases where N 4..7 indicates
+ * [AH, CH, DH, BH], ie "bits 15..8 of register N-4". Return
+ * true for this special case, false otherwise.
+ */
+static inline bool byte_reg_is_xH(int reg)
+{
+ if (reg < 4) {
+ return false;
+ }
+#ifdef TARGET_X86_64
+ if (reg >= 8 || x86_64_hregs) {
+ return false;
+ }
+#endif
+ return true;
+}
+
+/* Select the size of a push/pop operation. */
+static inline TCGMemOp mo_pushpop(DisasContext *s, TCGMemOp ot)
+{
+ if (CODE64(s)) {
+ return ot == MO_16 ? MO_16 : MO_64;
+ } else {
+ return ot;
+ }
+}
+
+/* Select the size of the stack pointer. */
+static inline TCGMemOp mo_stacksize(DisasContext *s)
+{
+ return CODE64(s) ? MO_64 : s->ss32 ? MO_32 : MO_16;
+}
+
+/* Select only size 64 else 32. Used for SSE operand sizes. */
+static inline TCGMemOp mo_64_32(TCGMemOp ot)
+{
+#ifdef TARGET_X86_64
+ return ot == MO_64 ? MO_64 : MO_32;
+#else
+ return MO_32;
+#endif
+}
+
+/* Select size 8 if lsb of B is clear, else OT. Used for decoding
+ byte vs word opcodes. */
+static inline TCGMemOp mo_b_d(int b, TCGMemOp ot)
+{
+ return b & 1 ? ot : MO_8;
+}
+
+/* Select size 8 if lsb of B is clear, else OT capped at 32.
+ Used for decoding operand size of port opcodes. */
+static inline TCGMemOp mo_b_d32(int b, TCGMemOp ot)
+{
+ return b & 1 ? (ot == MO_16 ? MO_16 : MO_32) : MO_8;
+}
+
+static void gen_op_mov_reg_v(TCGMemOp ot, int reg, TCGv t0)
+{
+ switch(ot) {
+ case MO_8:
+ if (!byte_reg_is_xH(reg)) {
+ tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], t0, 0, 8);
+ } else {
+ tcg_gen_deposit_tl(cpu_regs[reg - 4], cpu_regs[reg - 4], t0, 8, 8);
+ }
+ break;
+ case MO_16:
+ tcg_gen_deposit_tl(cpu_regs[reg], cpu_regs[reg], t0, 0, 16);
+ break;
+ case MO_32:
+ /* For x86_64, this sets the higher half of register to zero.
+ For i386, this is equivalent to a mov. */
+ tcg_gen_ext32u_tl(cpu_regs[reg], t0);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ tcg_gen_mov_tl(cpu_regs[reg], t0);
+ break;
+#endif
+ default:
+ tcg_abort();
+ }
+}
+
+static inline void gen_op_mov_v_reg(TCGMemOp ot, TCGv t0, int reg)
+{
+ if (ot == MO_8 && byte_reg_is_xH(reg)) {
+ tcg_gen_shri_tl(t0, cpu_regs[reg - 4], 8);
+ tcg_gen_ext8u_tl(t0, t0);
+ } else {
+ tcg_gen_mov_tl(t0, cpu_regs[reg]);
+ }
+}
+
+static void gen_add_A0_im(DisasContext *s, int val)
+{
+ tcg_gen_addi_tl(cpu_A0, cpu_A0, val);
+ if (!CODE64(s)) {
+ tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
+ }
+}
+
+static inline void gen_op_jmp_v(TCGv dest)
+{
+ tcg_gen_st_tl(dest, cpu_env, offsetof(CPUX86State, eip));
+}
+
+static inline void gen_op_add_reg_im(TCGMemOp size, int reg, int32_t val)
+{
+ tcg_gen_addi_tl(cpu_tmp0, cpu_regs[reg], val);
+ gen_op_mov_reg_v(size, reg, cpu_tmp0);
+}
+
+static inline void gen_op_add_reg_T0(TCGMemOp size, int reg)
+{
+ tcg_gen_add_tl(cpu_tmp0, cpu_regs[reg], cpu_T0);
+ gen_op_mov_reg_v(size, reg, cpu_tmp0);
+}
+
+static inline void gen_op_ld_v(DisasContext *s, int idx, TCGv t0, TCGv a0)
+{
+ tcg_gen_qemu_ld_tl(t0, a0, s->mem_index, idx | MO_LE);
+}
+
+static inline void gen_op_st_v(DisasContext *s, int idx, TCGv t0, TCGv a0)
+{
+ tcg_gen_qemu_st_tl(t0, a0, s->mem_index, idx | MO_LE);
+}
+
+static inline void gen_op_st_rm_T0_A0(DisasContext *s, int idx, int d)
+{
+ if (d == OR_TMP0) {
+ gen_op_st_v(s, idx, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_reg_v(idx, d, cpu_T0);
+ }
+}
+
+static inline void gen_jmp_im(target_ulong pc)
+{
+ tcg_gen_movi_tl(cpu_tmp0, pc);
+ gen_op_jmp_v(cpu_tmp0);
+}
+
+/* Compute SEG:REG into A0. SEG is selected from the override segment
+ (OVR_SEG) and the default segment (DEF_SEG). OVR_SEG may be -1 to
+ indicate no override. */
+static void gen_lea_v_seg(DisasContext *s, TCGMemOp aflag, TCGv a0,
+ int def_seg, int ovr_seg)
+{
+ switch (aflag) {
+#ifdef TARGET_X86_64
+ case MO_64:
+ if (ovr_seg < 0) {
+ tcg_gen_mov_tl(cpu_A0, a0);
+ return;
+ }
+ break;
+#endif
+ case MO_32:
+ /* 32 bit address */
+ if (ovr_seg < 0 && s->addseg) {
+ ovr_seg = def_seg;
+ }
+ if (ovr_seg < 0) {
+ tcg_gen_ext32u_tl(cpu_A0, a0);
+ return;
+ }
+ break;
+ case MO_16:
+ /* 16 bit address */
+ tcg_gen_ext16u_tl(cpu_A0, a0);
+ a0 = cpu_A0;
+ if (ovr_seg < 0) {
+ if (s->addseg) {
+ ovr_seg = def_seg;
+ } else {
+ return;
+ }
+ }
+ break;
+ default:
+ tcg_abort();
+ }
+
+ if (ovr_seg >= 0) {
+ TCGv seg = cpu_seg_base[ovr_seg];
+
+ if (aflag == MO_64) {
+ tcg_gen_add_tl(cpu_A0, a0, seg);
+ } else if (CODE64(s)) {
+ tcg_gen_ext32u_tl(cpu_A0, a0);
+ tcg_gen_add_tl(cpu_A0, cpu_A0, seg);
+ } else {
+ tcg_gen_add_tl(cpu_A0, a0, seg);
+ tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
+ }
+ }
+}
+
+static inline void gen_string_movl_A0_ESI(DisasContext *s)
+{
+ gen_lea_v_seg(s, s->aflag, cpu_regs[R_ESI], R_DS, s->override);
+}
+
+static inline void gen_string_movl_A0_EDI(DisasContext *s)
+{
+ gen_lea_v_seg(s, s->aflag, cpu_regs[R_EDI], R_ES, -1);
+}
+
+static inline void gen_op_movl_T0_Dshift(TCGMemOp ot)
+{
+ tcg_gen_ld32s_tl(cpu_T0, cpu_env, offsetof(CPUX86State, df));
+ tcg_gen_shli_tl(cpu_T0, cpu_T0, ot);
+};
+
+static TCGv gen_ext_tl(TCGv dst, TCGv src, TCGMemOp size, bool sign)
+{
+ switch (size) {
+ case MO_8:
+ if (sign) {
+ tcg_gen_ext8s_tl(dst, src);
+ } else {
+ tcg_gen_ext8u_tl(dst, src);
+ }
+ return dst;
+ case MO_16:
+ if (sign) {
+ tcg_gen_ext16s_tl(dst, src);
+ } else {
+ tcg_gen_ext16u_tl(dst, src);
+ }
+ return dst;
+#ifdef TARGET_X86_64
+ case MO_32:
+ if (sign) {
+ tcg_gen_ext32s_tl(dst, src);
+ } else {
+ tcg_gen_ext32u_tl(dst, src);
+ }
+ return dst;
+#endif
+ default:
+ return src;
+ }
+}
+
+static void gen_extu(TCGMemOp ot, TCGv reg)
+{
+ gen_ext_tl(reg, reg, ot, false);
+}
+
+static void gen_exts(TCGMemOp ot, TCGv reg)
+{
+ gen_ext_tl(reg, reg, ot, true);
+}
+
+static inline void gen_op_jnz_ecx(TCGMemOp size, TCGLabel *label1)
+{
+ tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
+ gen_extu(size, cpu_tmp0);
+ tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
+}
+
+static inline void gen_op_jz_ecx(TCGMemOp size, TCGLabel *label1)
+{
+ tcg_gen_mov_tl(cpu_tmp0, cpu_regs[R_ECX]);
+ gen_extu(size, cpu_tmp0);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
+}
+
+static void gen_helper_in_func(TCGMemOp ot, TCGv v, TCGv_i32 n)
+{
+ switch (ot) {
+ case MO_8:
+ gen_helper_inb(v, cpu_env, n);
+ break;
+ case MO_16:
+ gen_helper_inw(v, cpu_env, n);
+ break;
+ case MO_32:
+ gen_helper_inl(v, cpu_env, n);
+ break;
+ default:
+ tcg_abort();
+ }
+}
+
+static void gen_helper_out_func(TCGMemOp ot, TCGv_i32 v, TCGv_i32 n)
+{
+ switch (ot) {
+ case MO_8:
+ gen_helper_outb(cpu_env, v, n);
+ break;
+ case MO_16:
+ gen_helper_outw(cpu_env, v, n);
+ break;
+ case MO_32:
+ gen_helper_outl(cpu_env, v, n);
+ break;
+ default:
+ tcg_abort();
+ }
+}
+
+static void gen_check_io(DisasContext *s, TCGMemOp ot, target_ulong cur_eip,
+ uint32_t svm_flags)
+{
+ target_ulong next_eip;
+
+ if (s->pe && (s->cpl > s->iopl || s->vm86)) {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ switch (ot) {
+ case MO_8:
+ gen_helper_check_iob(cpu_env, cpu_tmp2_i32);
+ break;
+ case MO_16:
+ gen_helper_check_iow(cpu_env, cpu_tmp2_i32);
+ break;
+ case MO_32:
+ gen_helper_check_iol(cpu_env, cpu_tmp2_i32);
+ break;
+ default:
+ tcg_abort();
+ }
+ }
+ if(s->flags & HF_SVMI_MASK) {
+ gen_update_cc_op(s);
+ gen_jmp_im(cur_eip);
+ svm_flags |= (1 << (4 + ot));
+ next_eip = s->pc - s->cs_base;
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_svm_check_io(cpu_env, cpu_tmp2_i32,
+ tcg_const_i32(svm_flags),
+ tcg_const_i32(next_eip - cur_eip));
+ }
+}
+
+static inline void gen_movs(DisasContext *s, TCGMemOp ot)
+{
+ gen_string_movl_A0_ESI(s);
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ gen_string_movl_A0_EDI(s);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_ESI);
+ gen_op_add_reg_T0(s->aflag, R_EDI);
+}
+
+static void gen_op_update1_cc(void)
+{
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+}
+
+static void gen_op_update2_cc(void)
+{
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T1);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+}
+
+static void gen_op_update3_cc(TCGv reg)
+{
+ tcg_gen_mov_tl(cpu_cc_src2, reg);
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T1);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+}
+
+static inline void gen_op_testl_T0_T1_cc(void)
+{
+ tcg_gen_and_tl(cpu_cc_dst, cpu_T0, cpu_T1);
+}
+
+static void gen_op_update_neg_cc(void)
+{
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ tcg_gen_neg_tl(cpu_cc_src, cpu_T0);
+ tcg_gen_movi_tl(cpu_cc_srcT, 0);
+}
+
+/* compute all eflags to cc_src */
+static void gen_compute_eflags(DisasContext *s)
+{
+ TCGv zero, dst, src1, src2;
+ int live, dead;
+
+ if (s->cc_op == CC_OP_EFLAGS) {
+ return;
+ }
+ if (s->cc_op == CC_OP_CLR) {
+ tcg_gen_movi_tl(cpu_cc_src, CC_Z | CC_P);
+ set_cc_op(s, CC_OP_EFLAGS);
+ return;
+ }
+
+ TCGV_UNUSED(zero);
+ dst = cpu_cc_dst;
+ src1 = cpu_cc_src;
+ src2 = cpu_cc_src2;
+
+ /* Take care to not read values that are not live. */
+ live = cc_op_live[s->cc_op] & ~USES_CC_SRCT;
+ dead = live ^ (USES_CC_DST | USES_CC_SRC | USES_CC_SRC2);
+ if (dead) {
+ zero = tcg_const_tl(0);
+ if (dead & USES_CC_DST) {
+ dst = zero;
+ }
+ if (dead & USES_CC_SRC) {
+ src1 = zero;
+ }
+ if (dead & USES_CC_SRC2) {
+ src2 = zero;
+ }
+ }
+
+ gen_update_cc_op(s);
+ gen_helper_cc_compute_all(cpu_cc_src, dst, src1, src2, cpu_cc_op);
+ set_cc_op(s, CC_OP_EFLAGS);
+
+ if (dead) {
+ tcg_temp_free(zero);
+ }
+}
+
+typedef struct CCPrepare {
+ TCGCond cond;
+ TCGv reg;
+ TCGv reg2;
+ target_ulong imm;
+ target_ulong mask;
+ bool use_reg2;
+ bool no_setcond;
+} CCPrepare;
+
+/* compute eflags.C to reg */
+static CCPrepare gen_prepare_eflags_c(DisasContext *s, TCGv reg)
+{
+ TCGv t0, t1;
+ int size, shift;
+
+ switch (s->cc_op) {
+ case CC_OP_SUBB ... CC_OP_SUBQ:
+ /* (DATA_TYPE)CC_SRCT < (DATA_TYPE)CC_SRC */
+ size = s->cc_op - CC_OP_SUBB;
+ t1 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
+ /* If no temporary was used, be careful not to alias t1 and t0. */
+ t0 = TCGV_EQUAL(t1, cpu_cc_src) ? cpu_tmp0 : reg;
+ tcg_gen_mov_tl(t0, cpu_cc_srcT);
+ gen_extu(size, t0);
+ goto add_sub;
+
+ case CC_OP_ADDB ... CC_OP_ADDQ:
+ /* (DATA_TYPE)CC_DST < (DATA_TYPE)CC_SRC */
+ size = s->cc_op - CC_OP_ADDB;
+ t1 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
+ t0 = gen_ext_tl(reg, cpu_cc_dst, size, false);
+ add_sub:
+ return (CCPrepare) { .cond = TCG_COND_LTU, .reg = t0,
+ .reg2 = t1, .mask = -1, .use_reg2 = true };
+
+ case CC_OP_LOGICB ... CC_OP_LOGICQ:
+ case CC_OP_CLR:
+ return (CCPrepare) { .cond = TCG_COND_NEVER, .mask = -1 };
+
+ case CC_OP_INCB ... CC_OP_INCQ:
+ case CC_OP_DECB ... CC_OP_DECQ:
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = -1, .no_setcond = true };
+
+ case CC_OP_SHLB ... CC_OP_SHLQ:
+ /* (CC_SRC >> (DATA_BITS - 1)) & 1 */
+ size = s->cc_op - CC_OP_SHLB;
+ shift = (8 << size) - 1;
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = (target_ulong)1 << shift };
+
+ case CC_OP_MULB ... CC_OP_MULQ:
+ return (CCPrepare) { .cond = TCG_COND_NE,
+ .reg = cpu_cc_src, .mask = -1 };
+
+ case CC_OP_BMILGB ... CC_OP_BMILGQ:
+ size = s->cc_op - CC_OP_BMILGB;
+ t0 = gen_ext_tl(reg, cpu_cc_src, size, false);
+ return (CCPrepare) { .cond = TCG_COND_EQ, .reg = t0, .mask = -1 };
+
+ case CC_OP_ADCX:
+ case CC_OP_ADCOX:
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_dst,
+ .mask = -1, .no_setcond = true };
+
+ case CC_OP_EFLAGS:
+ case CC_OP_SARB ... CC_OP_SARQ:
+ /* CC_SRC & 1 */
+ return (CCPrepare) { .cond = TCG_COND_NE,
+ .reg = cpu_cc_src, .mask = CC_C };
+
+ default:
+ /* The need to compute only C from CC_OP_DYNAMIC is important
+ in efficiently implementing e.g. INC at the start of a TB. */
+ gen_update_cc_op(s);
+ gen_helper_cc_compute_c(reg, cpu_cc_dst, cpu_cc_src,
+ cpu_cc_src2, cpu_cc_op);
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = reg,
+ .mask = -1, .no_setcond = true };
+ }
+}
+
+/* compute eflags.P to reg */
+static CCPrepare gen_prepare_eflags_p(DisasContext *s, TCGv reg)
+{
+ gen_compute_eflags(s);
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = CC_P };
+}
+
+/* compute eflags.S to reg */
+static CCPrepare gen_prepare_eflags_s(DisasContext *s, TCGv reg)
+{
+ switch (s->cc_op) {
+ case CC_OP_DYNAMIC:
+ gen_compute_eflags(s);
+ /* FALLTHRU */
+ case CC_OP_EFLAGS:
+ case CC_OP_ADCX:
+ case CC_OP_ADOX:
+ case CC_OP_ADCOX:
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = CC_S };
+ case CC_OP_CLR:
+ return (CCPrepare) { .cond = TCG_COND_NEVER, .mask = -1 };
+ default:
+ {
+ TCGMemOp size = (s->cc_op - CC_OP_ADDB) & 3;
+ TCGv t0 = gen_ext_tl(reg, cpu_cc_dst, size, true);
+ return (CCPrepare) { .cond = TCG_COND_LT, .reg = t0, .mask = -1 };
+ }
+ }
+}
+
+/* compute eflags.O to reg */
+static CCPrepare gen_prepare_eflags_o(DisasContext *s, TCGv reg)
+{
+ switch (s->cc_op) {
+ case CC_OP_ADOX:
+ case CC_OP_ADCOX:
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src2,
+ .mask = -1, .no_setcond = true };
+ case CC_OP_CLR:
+ return (CCPrepare) { .cond = TCG_COND_NEVER, .mask = -1 };
+ default:
+ gen_compute_eflags(s);
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = CC_O };
+ }
+}
+
+/* compute eflags.Z to reg */
+static CCPrepare gen_prepare_eflags_z(DisasContext *s, TCGv reg)
+{
+ switch (s->cc_op) {
+ case CC_OP_DYNAMIC:
+ gen_compute_eflags(s);
+ /* FALLTHRU */
+ case CC_OP_EFLAGS:
+ case CC_OP_ADCX:
+ case CC_OP_ADOX:
+ case CC_OP_ADCOX:
+ return (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = CC_Z };
+ case CC_OP_CLR:
+ return (CCPrepare) { .cond = TCG_COND_ALWAYS, .mask = -1 };
+ default:
+ {
+ TCGMemOp size = (s->cc_op - CC_OP_ADDB) & 3;
+ TCGv t0 = gen_ext_tl(reg, cpu_cc_dst, size, false);
+ return (CCPrepare) { .cond = TCG_COND_EQ, .reg = t0, .mask = -1 };
+ }
+ }
+}
+
+/* perform a conditional store into register 'reg' according to jump opcode
+ value 'b'. In the fast case, T0 is guaranted not to be used. */
+static CCPrepare gen_prepare_cc(DisasContext *s, int b, TCGv reg)
+{
+ int inv, jcc_op, cond;
+ TCGMemOp size;
+ CCPrepare cc;
+ TCGv t0;
+
+ inv = b & 1;
+ jcc_op = (b >> 1) & 7;
+
+ switch (s->cc_op) {
+ case CC_OP_SUBB ... CC_OP_SUBQ:
+ /* We optimize relational operators for the cmp/jcc case. */
+ size = s->cc_op - CC_OP_SUBB;
+ switch (jcc_op) {
+ case JCC_BE:
+ tcg_gen_mov_tl(cpu_tmp4, cpu_cc_srcT);
+ gen_extu(size, cpu_tmp4);
+ t0 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, false);
+ cc = (CCPrepare) { .cond = TCG_COND_LEU, .reg = cpu_tmp4,
+ .reg2 = t0, .mask = -1, .use_reg2 = true };
+ break;
+
+ case JCC_L:
+ cond = TCG_COND_LT;
+ goto fast_jcc_l;
+ case JCC_LE:
+ cond = TCG_COND_LE;
+ fast_jcc_l:
+ tcg_gen_mov_tl(cpu_tmp4, cpu_cc_srcT);
+ gen_exts(size, cpu_tmp4);
+ t0 = gen_ext_tl(cpu_tmp0, cpu_cc_src, size, true);
+ cc = (CCPrepare) { .cond = cond, .reg = cpu_tmp4,
+ .reg2 = t0, .mask = -1, .use_reg2 = true };
+ break;
+
+ default:
+ goto slow_jcc;
+ }
+ break;
+
+ default:
+ slow_jcc:
+ /* This actually generates good code for JC, JZ and JS. */
+ switch (jcc_op) {
+ case JCC_O:
+ cc = gen_prepare_eflags_o(s, reg);
+ break;
+ case JCC_B:
+ cc = gen_prepare_eflags_c(s, reg);
+ break;
+ case JCC_Z:
+ cc = gen_prepare_eflags_z(s, reg);
+ break;
+ case JCC_BE:
+ gen_compute_eflags(s);
+ cc = (CCPrepare) { .cond = TCG_COND_NE, .reg = cpu_cc_src,
+ .mask = CC_Z | CC_C };
+ break;
+ case JCC_S:
+ cc = gen_prepare_eflags_s(s, reg);
+ break;
+ case JCC_P:
+ cc = gen_prepare_eflags_p(s, reg);
+ break;
+ case JCC_L:
+ gen_compute_eflags(s);
+ if (TCGV_EQUAL(reg, cpu_cc_src)) {
+ reg = cpu_tmp0;
+ }
+ tcg_gen_shri_tl(reg, cpu_cc_src, 4); /* CC_O -> CC_S */
+ tcg_gen_xor_tl(reg, reg, cpu_cc_src);
+ cc = (CCPrepare) { .cond = TCG_COND_NE, .reg = reg,
+ .mask = CC_S };
+ break;
+ default:
+ case JCC_LE:
+ gen_compute_eflags(s);
+ if (TCGV_EQUAL(reg, cpu_cc_src)) {
+ reg = cpu_tmp0;
+ }
+ tcg_gen_shri_tl(reg, cpu_cc_src, 4); /* CC_O -> CC_S */
+ tcg_gen_xor_tl(reg, reg, cpu_cc_src);
+ cc = (CCPrepare) { .cond = TCG_COND_NE, .reg = reg,
+ .mask = CC_S | CC_Z };
+ break;
+ }
+ break;
+ }
+
+ if (inv) {
+ cc.cond = tcg_invert_cond(cc.cond);
+ }
+ return cc;
+}
+
+static void gen_setcc1(DisasContext *s, int b, TCGv reg)
+{
+ CCPrepare cc = gen_prepare_cc(s, b, reg);
+
+ if (cc.no_setcond) {
+ if (cc.cond == TCG_COND_EQ) {
+ tcg_gen_xori_tl(reg, cc.reg, 1);
+ } else {
+ tcg_gen_mov_tl(reg, cc.reg);
+ }
+ return;
+ }
+
+ if (cc.cond == TCG_COND_NE && !cc.use_reg2 && cc.imm == 0 &&
+ cc.mask != 0 && (cc.mask & (cc.mask - 1)) == 0) {
+ tcg_gen_shri_tl(reg, cc.reg, ctztl(cc.mask));
+ tcg_gen_andi_tl(reg, reg, 1);
+ return;
+ }
+ if (cc.mask != -1) {
+ tcg_gen_andi_tl(reg, cc.reg, cc.mask);
+ cc.reg = reg;
+ }
+ if (cc.use_reg2) {
+ tcg_gen_setcond_tl(cc.cond, reg, cc.reg, cc.reg2);
+ } else {
+ tcg_gen_setcondi_tl(cc.cond, reg, cc.reg, cc.imm);
+ }
+}
+
+static inline void gen_compute_eflags_c(DisasContext *s, TCGv reg)
+{
+ gen_setcc1(s, JCC_B << 1, reg);
+}
+
+/* generate a conditional jump to label 'l1' according to jump opcode
+ value 'b'. In the fast case, T0 is guaranted not to be used. */
+static inline void gen_jcc1_noeob(DisasContext *s, int b, TCGLabel *l1)
+{
+ CCPrepare cc = gen_prepare_cc(s, b, cpu_T0);
+
+ if (cc.mask != -1) {
+ tcg_gen_andi_tl(cpu_T0, cc.reg, cc.mask);
+ cc.reg = cpu_T0;
+ }
+ if (cc.use_reg2) {
+ tcg_gen_brcond_tl(cc.cond, cc.reg, cc.reg2, l1);
+ } else {
+ tcg_gen_brcondi_tl(cc.cond, cc.reg, cc.imm, l1);
+ }
+}
+
+/* Generate a conditional jump to label 'l1' according to jump opcode
+ value 'b'. In the fast case, T0 is guaranted not to be used.
+ A translation block must end soon. */
+static inline void gen_jcc1(DisasContext *s, int b, TCGLabel *l1)
+{
+ CCPrepare cc = gen_prepare_cc(s, b, cpu_T0);
+
+ gen_update_cc_op(s);
+ if (cc.mask != -1) {
+ tcg_gen_andi_tl(cpu_T0, cc.reg, cc.mask);
+ cc.reg = cpu_T0;
+ }
+ set_cc_op(s, CC_OP_DYNAMIC);
+ if (cc.use_reg2) {
+ tcg_gen_brcond_tl(cc.cond, cc.reg, cc.reg2, l1);
+ } else {
+ tcg_gen_brcondi_tl(cc.cond, cc.reg, cc.imm, l1);
+ }
+}
+
+/* XXX: does not work with gdbstub "ice" single step - not a
+ serious problem */
+static TCGLabel *gen_jz_ecx_string(DisasContext *s, target_ulong next_eip)
+{
+ TCGLabel *l1 = gen_new_label();
+ TCGLabel *l2 = gen_new_label();
+ gen_op_jnz_ecx(s->aflag, l1);
+ gen_set_label(l2);
+ gen_jmp_tb(s, next_eip, 1);
+ gen_set_label(l1);
+ return l2;
+}
+
+static inline void gen_stos(DisasContext *s, TCGMemOp ot)
+{
+ gen_op_mov_v_reg(MO_32, cpu_T0, R_EAX);
+ gen_string_movl_A0_EDI(s);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_EDI);
+}
+
+static inline void gen_lods(DisasContext *s, TCGMemOp ot)
+{
+ gen_string_movl_A0_ESI(s);
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(ot, R_EAX, cpu_T0);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_ESI);
+}
+
+static inline void gen_scas(DisasContext *s, TCGMemOp ot)
+{
+ gen_string_movl_A0_EDI(s);
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ gen_op(s, OP_CMPL, ot, R_EAX);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_EDI);
+}
+
+static inline void gen_cmps(DisasContext *s, TCGMemOp ot)
+{
+ gen_string_movl_A0_EDI(s);
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ gen_string_movl_A0_ESI(s);
+ gen_op(s, OP_CMPL, ot, OR_TMP0);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_ESI);
+ gen_op_add_reg_T0(s->aflag, R_EDI);
+}
+
+static void gen_bpt_io(DisasContext *s, TCGv_i32 t_port, int ot)
+{
+ if (s->flags & HF_IOBPT_MASK) {
+ TCGv_i32 t_size = tcg_const_i32(1 << ot);
+ TCGv t_next = tcg_const_tl(s->pc - s->cs_base);
+
+ gen_helper_bpt_io(cpu_env, t_port, t_size, t_next);
+ tcg_temp_free_i32(t_size);
+ tcg_temp_free(t_next);
+ }
+}
+
+
+static inline void gen_ins(DisasContext *s, TCGMemOp ot)
+{
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ gen_string_movl_A0_EDI(s);
+ /* Note: we must do this dummy write first to be restartable in
+ case of page fault. */
+ tcg_gen_movi_tl(cpu_T0, 0);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_EDX]);
+ tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
+ gen_helper_in_func(ot, cpu_T0, cpu_tmp2_i32);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_EDI);
+ gen_bpt_io(s, cpu_tmp2_i32, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ }
+}
+
+static inline void gen_outs(DisasContext *s, TCGMemOp ot)
+{
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ gen_string_movl_A0_ESI(s);
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_EDX]);
+ tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T0);
+ gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
+ gen_op_movl_T0_Dshift(ot);
+ gen_op_add_reg_T0(s->aflag, R_ESI);
+ gen_bpt_io(s, cpu_tmp2_i32, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ }
+}
+
+/* same method as Valgrind : we generate jumps to current or next
+ instruction */
+#define GEN_REPZ(op) \
+static inline void gen_repz_ ## op(DisasContext *s, TCGMemOp ot, \
+ target_ulong cur_eip, target_ulong next_eip) \
+{ \
+ TCGLabel *l2; \
+ gen_update_cc_op(s); \
+ l2 = gen_jz_ecx_string(s, next_eip); \
+ gen_ ## op(s, ot); \
+ gen_op_add_reg_im(s->aflag, R_ECX, -1); \
+ /* a loop would cause two single step exceptions if ECX = 1 \
+ before rep string_insn */ \
+ if (s->repz_opt) \
+ gen_op_jz_ecx(s->aflag, l2); \
+ gen_jmp(s, cur_eip); \
+}
+
+#define GEN_REPZ2(op) \
+static inline void gen_repz_ ## op(DisasContext *s, TCGMemOp ot, \
+ target_ulong cur_eip, \
+ target_ulong next_eip, \
+ int nz) \
+{ \
+ TCGLabel *l2; \
+ gen_update_cc_op(s); \
+ l2 = gen_jz_ecx_string(s, next_eip); \
+ gen_ ## op(s, ot); \
+ gen_op_add_reg_im(s->aflag, R_ECX, -1); \
+ gen_update_cc_op(s); \
+ gen_jcc1(s, (JCC_Z << 1) | (nz ^ 1), l2); \
+ if (s->repz_opt) \
+ gen_op_jz_ecx(s->aflag, l2); \
+ gen_jmp(s, cur_eip); \
+}
+
+GEN_REPZ(movs)
+GEN_REPZ(stos)
+GEN_REPZ(lods)
+GEN_REPZ(ins)
+GEN_REPZ(outs)
+GEN_REPZ2(scas)
+GEN_REPZ2(cmps)
+
+static void gen_helper_fp_arith_ST0_FT0(int op)
+{
+ switch (op) {
+ case 0:
+ gen_helper_fadd_ST0_FT0(cpu_env);
+ break;
+ case 1:
+ gen_helper_fmul_ST0_FT0(cpu_env);
+ break;
+ case 2:
+ gen_helper_fcom_ST0_FT0(cpu_env);
+ break;
+ case 3:
+ gen_helper_fcom_ST0_FT0(cpu_env);
+ break;
+ case 4:
+ gen_helper_fsub_ST0_FT0(cpu_env);
+ break;
+ case 5:
+ gen_helper_fsubr_ST0_FT0(cpu_env);
+ break;
+ case 6:
+ gen_helper_fdiv_ST0_FT0(cpu_env);
+ break;
+ case 7:
+ gen_helper_fdivr_ST0_FT0(cpu_env);
+ break;
+ }
+}
+
+/* NOTE the exception in "r" op ordering */
+static void gen_helper_fp_arith_STN_ST0(int op, int opreg)
+{
+ TCGv_i32 tmp = tcg_const_i32(opreg);
+ switch (op) {
+ case 0:
+ gen_helper_fadd_STN_ST0(cpu_env, tmp);
+ break;
+ case 1:
+ gen_helper_fmul_STN_ST0(cpu_env, tmp);
+ break;
+ case 4:
+ gen_helper_fsubr_STN_ST0(cpu_env, tmp);
+ break;
+ case 5:
+ gen_helper_fsub_STN_ST0(cpu_env, tmp);
+ break;
+ case 6:
+ gen_helper_fdivr_STN_ST0(cpu_env, tmp);
+ break;
+ case 7:
+ gen_helper_fdiv_STN_ST0(cpu_env, tmp);
+ break;
+ }
+}
+
+/* if d == OR_TMP0, it means memory operand (address in A0) */
+static void gen_op(DisasContext *s1, int op, TCGMemOp ot, int d)
+{
+ if (d != OR_TMP0) {
+ gen_op_mov_v_reg(ot, cpu_T0, d);
+ } else if (!(s1->prefix & PREFIX_LOCK)) {
+ gen_op_ld_v(s1, ot, cpu_T0, cpu_A0);
+ }
+ switch(op) {
+ case OP_ADCL:
+ gen_compute_eflags_c(s1, cpu_tmp4);
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_add_tl(cpu_T0, cpu_tmp4, cpu_T1);
+ tcg_gen_atomic_add_fetch_tl(cpu_T0, cpu_A0, cpu_T0,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
+ tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_tmp4);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update3_cc(cpu_tmp4);
+ set_cc_op(s1, CC_OP_ADCB + ot);
+ break;
+ case OP_SBBL:
+ gen_compute_eflags_c(s1, cpu_tmp4);
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_add_tl(cpu_T0, cpu_T1, cpu_tmp4);
+ tcg_gen_neg_tl(cpu_T0, cpu_T0);
+ tcg_gen_atomic_add_fetch_tl(cpu_T0, cpu_A0, cpu_T0,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_sub_tl(cpu_T0, cpu_T0, cpu_T1);
+ tcg_gen_sub_tl(cpu_T0, cpu_T0, cpu_tmp4);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update3_cc(cpu_tmp4);
+ set_cc_op(s1, CC_OP_SBBB + ot);
+ break;
+ case OP_ADDL:
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_add_fetch_tl(cpu_T0, cpu_A0, cpu_T1,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update2_cc();
+ set_cc_op(s1, CC_OP_ADDB + ot);
+ break;
+ case OP_SUBL:
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_neg_tl(cpu_T0, cpu_T1);
+ tcg_gen_atomic_fetch_add_tl(cpu_cc_srcT, cpu_A0, cpu_T0,
+ s1->mem_index, ot | MO_LE);
+ tcg_gen_sub_tl(cpu_T0, cpu_cc_srcT, cpu_T1);
+ } else {
+ tcg_gen_mov_tl(cpu_cc_srcT, cpu_T0);
+ tcg_gen_sub_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update2_cc();
+ set_cc_op(s1, CC_OP_SUBB + ot);
+ break;
+ default:
+ case OP_ANDL:
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_and_fetch_tl(cpu_T0, cpu_A0, cpu_T1,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update1_cc();
+ set_cc_op(s1, CC_OP_LOGICB + ot);
+ break;
+ case OP_ORL:
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_or_fetch_tl(cpu_T0, cpu_A0, cpu_T1,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update1_cc();
+ set_cc_op(s1, CC_OP_LOGICB + ot);
+ break;
+ case OP_XORL:
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_xor_fetch_tl(cpu_T0, cpu_A0, cpu_T1,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_xor_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+ gen_op_update1_cc();
+ set_cc_op(s1, CC_OP_LOGICB + ot);
+ break;
+ case OP_CMPL:
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T1);
+ tcg_gen_mov_tl(cpu_cc_srcT, cpu_T0);
+ tcg_gen_sub_tl(cpu_cc_dst, cpu_T0, cpu_T1);
+ set_cc_op(s1, CC_OP_SUBB + ot);
+ break;
+ }
+}
+
+/* if d == OR_TMP0, it means memory operand (address in A0) */
+static void gen_inc(DisasContext *s1, TCGMemOp ot, int d, int c)
+{
+ if (s1->prefix & PREFIX_LOCK) {
+ tcg_gen_movi_tl(cpu_T0, c > 0 ? 1 : -1);
+ tcg_gen_atomic_add_fetch_tl(cpu_T0, cpu_A0, cpu_T0,
+ s1->mem_index, ot | MO_LE);
+ } else {
+ if (d != OR_TMP0) {
+ gen_op_mov_v_reg(ot, cpu_T0, d);
+ } else {
+ gen_op_ld_v(s1, ot, cpu_T0, cpu_A0);
+ }
+ tcg_gen_addi_tl(cpu_T0, cpu_T0, (c > 0 ? 1 : -1));
+ gen_op_st_rm_T0_A0(s1, ot, d);
+ }
+
+ gen_compute_eflags_c(s1, cpu_cc_src);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ set_cc_op(s1, (c > 0 ? CC_OP_INCB : CC_OP_DECB) + ot);
+}
+
+static void gen_shift_flags(DisasContext *s, TCGMemOp ot, TCGv result,
+ TCGv shm1, TCGv count, bool is_right)
+{
+ TCGv_i32 z32, s32, oldop;
+ TCGv z_tl;
+
+ /* Store the results into the CC variables. If we know that the
+ variable must be dead, store unconditionally. Otherwise we'll
+ need to not disrupt the current contents. */
+ z_tl = tcg_const_tl(0);
+ if (cc_op_live[s->cc_op] & USES_CC_DST) {
+ tcg_gen_movcond_tl(TCG_COND_NE, cpu_cc_dst, count, z_tl,
+ result, cpu_cc_dst);
+ } else {
+ tcg_gen_mov_tl(cpu_cc_dst, result);
+ }
+ if (cc_op_live[s->cc_op] & USES_CC_SRC) {
+ tcg_gen_movcond_tl(TCG_COND_NE, cpu_cc_src, count, z_tl,
+ shm1, cpu_cc_src);
+ } else {
+ tcg_gen_mov_tl(cpu_cc_src, shm1);
+ }
+ tcg_temp_free(z_tl);
+
+ /* Get the two potential CC_OP values into temporaries. */
+ tcg_gen_movi_i32(cpu_tmp2_i32, (is_right ? CC_OP_SARB : CC_OP_SHLB) + ot);
+ if (s->cc_op == CC_OP_DYNAMIC) {
+ oldop = cpu_cc_op;
+ } else {
+ tcg_gen_movi_i32(cpu_tmp3_i32, s->cc_op);
+ oldop = cpu_tmp3_i32;
+ }
+
+ /* Conditionally store the CC_OP value. */
+ z32 = tcg_const_i32(0);
+ s32 = tcg_temp_new_i32();
+ tcg_gen_trunc_tl_i32(s32, count);
+ tcg_gen_movcond_i32(TCG_COND_NE, cpu_cc_op, s32, z32, cpu_tmp2_i32, oldop);
+ tcg_temp_free_i32(z32);
+ tcg_temp_free_i32(s32);
+
+ /* The CC_OP value is no longer predictable. */
+ set_cc_op(s, CC_OP_DYNAMIC);
+}
+
+static void gen_shift_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
+ int is_right, int is_arith)
+{
+ target_ulong mask = (ot == MO_64 ? 0x3f : 0x1f);
+
+ /* load */
+ if (op1 == OR_TMP0) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, op1);
+ }
+
+ tcg_gen_andi_tl(cpu_T1, cpu_T1, mask);
+ tcg_gen_subi_tl(cpu_tmp0, cpu_T1, 1);
+
+ if (is_right) {
+ if (is_arith) {
+ gen_exts(ot, cpu_T0);
+ tcg_gen_sar_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
+ tcg_gen_sar_tl(cpu_T0, cpu_T0, cpu_T1);
+ } else {
+ gen_extu(ot, cpu_T0);
+ tcg_gen_shr_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
+ tcg_gen_shr_tl(cpu_T0, cpu_T0, cpu_T1);
+ }
+ } else {
+ tcg_gen_shl_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
+ tcg_gen_shl_tl(cpu_T0, cpu_T0, cpu_T1);
+ }
+
+ /* store */
+ gen_op_st_rm_T0_A0(s, ot, op1);
+
+ gen_shift_flags(s, ot, cpu_T0, cpu_tmp0, cpu_T1, is_right);
+}
+
+static void gen_shift_rm_im(DisasContext *s, TCGMemOp ot, int op1, int op2,
+ int is_right, int is_arith)
+{
+ int mask = (ot == MO_64 ? 0x3f : 0x1f);
+
+ /* load */
+ if (op1 == OR_TMP0)
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ else
+ gen_op_mov_v_reg(ot, cpu_T0, op1);
+
+ op2 &= mask;
+ if (op2 != 0) {
+ if (is_right) {
+ if (is_arith) {
+ gen_exts(ot, cpu_T0);
+ tcg_gen_sari_tl(cpu_tmp4, cpu_T0, op2 - 1);
+ tcg_gen_sari_tl(cpu_T0, cpu_T0, op2);
+ } else {
+ gen_extu(ot, cpu_T0);
+ tcg_gen_shri_tl(cpu_tmp4, cpu_T0, op2 - 1);
+ tcg_gen_shri_tl(cpu_T0, cpu_T0, op2);
+ }
+ } else {
+ tcg_gen_shli_tl(cpu_tmp4, cpu_T0, op2 - 1);
+ tcg_gen_shli_tl(cpu_T0, cpu_T0, op2);
+ }
+ }
+
+ /* store */
+ gen_op_st_rm_T0_A0(s, ot, op1);
+
+ /* update eflags if non zero shift */
+ if (op2 != 0) {
+ tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ set_cc_op(s, (is_right ? CC_OP_SARB : CC_OP_SHLB) + ot);
+ }
+}
+
+static void gen_rot_rm_T1(DisasContext *s, TCGMemOp ot, int op1, int is_right)
+{
+ target_ulong mask = (ot == MO_64 ? 0x3f : 0x1f);
+ TCGv_i32 t0, t1;
+
+ /* load */
+ if (op1 == OR_TMP0) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, op1);
+ }
+
+ tcg_gen_andi_tl(cpu_T1, cpu_T1, mask);
+
+ switch (ot) {
+ case MO_8:
+ /* Replicate the 8-bit input so that a 32-bit rotate works. */
+ tcg_gen_ext8u_tl(cpu_T0, cpu_T0);
+ tcg_gen_muli_tl(cpu_T0, cpu_T0, 0x01010101);
+ goto do_long;
+ case MO_16:
+ /* Replicate the 16-bit input so that a 32-bit rotate works. */
+ tcg_gen_deposit_tl(cpu_T0, cpu_T0, cpu_T0, 16, 16);
+ goto do_long;
+ do_long:
+#ifdef TARGET_X86_64
+ case MO_32:
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
+ if (is_right) {
+ tcg_gen_rotr_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
+ } else {
+ tcg_gen_rotl_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
+ }
+ tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
+ break;
+#endif
+ default:
+ if (is_right) {
+ tcg_gen_rotr_tl(cpu_T0, cpu_T0, cpu_T1);
+ } else {
+ tcg_gen_rotl_tl(cpu_T0, cpu_T0, cpu_T1);
+ }
+ break;
+ }
+
+ /* store */
+ gen_op_st_rm_T0_A0(s, ot, op1);
+
+ /* We'll need the flags computed into CC_SRC. */
+ gen_compute_eflags(s);
+
+ /* The value that was "rotated out" is now present at the other end
+ of the word. Compute C into CC_DST and O into CC_SRC2. Note that
+ since we've computed the flags into CC_SRC, these variables are
+ currently dead. */
+ if (is_right) {
+ tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask - 1);
+ tcg_gen_shri_tl(cpu_cc_dst, cpu_T0, mask);
+ tcg_gen_andi_tl(cpu_cc_dst, cpu_cc_dst, 1);
+ } else {
+ tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask);
+ tcg_gen_andi_tl(cpu_cc_dst, cpu_T0, 1);
+ }
+ tcg_gen_andi_tl(cpu_cc_src2, cpu_cc_src2, 1);
+ tcg_gen_xor_tl(cpu_cc_src2, cpu_cc_src2, cpu_cc_dst);
+
+ /* Now conditionally store the new CC_OP value. If the shift count
+ is 0 we keep the CC_OP_EFLAGS setting so that only CC_SRC is live.
+ Otherwise reuse CC_OP_ADCOX which have the C and O flags split out
+ exactly as we computed above. */
+ t0 = tcg_const_i32(0);
+ t1 = tcg_temp_new_i32();
+ tcg_gen_trunc_tl_i32(t1, cpu_T1);
+ tcg_gen_movi_i32(cpu_tmp2_i32, CC_OP_ADCOX);
+ tcg_gen_movi_i32(cpu_tmp3_i32, CC_OP_EFLAGS);
+ tcg_gen_movcond_i32(TCG_COND_NE, cpu_cc_op, t1, t0,
+ cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_temp_free_i32(t0);
+ tcg_temp_free_i32(t1);
+
+ /* The CC_OP value is no longer predictable. */
+ set_cc_op(s, CC_OP_DYNAMIC);
+}
+
+static void gen_rot_rm_im(DisasContext *s, TCGMemOp ot, int op1, int op2,
+ int is_right)
+{
+ int mask = (ot == MO_64 ? 0x3f : 0x1f);
+ int shift;
+
+ /* load */
+ if (op1 == OR_TMP0) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, op1);
+ }
+
+ op2 &= mask;
+ if (op2 != 0) {
+ switch (ot) {
+#ifdef TARGET_X86_64
+ case MO_32:
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ if (is_right) {
+ tcg_gen_rotri_i32(cpu_tmp2_i32, cpu_tmp2_i32, op2);
+ } else {
+ tcg_gen_rotli_i32(cpu_tmp2_i32, cpu_tmp2_i32, op2);
+ }
+ tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
+ break;
+#endif
+ default:
+ if (is_right) {
+ tcg_gen_rotri_tl(cpu_T0, cpu_T0, op2);
+ } else {
+ tcg_gen_rotli_tl(cpu_T0, cpu_T0, op2);
+ }
+ break;
+ case MO_8:
+ mask = 7;
+ goto do_shifts;
+ case MO_16:
+ mask = 15;
+ do_shifts:
+ shift = op2 & mask;
+ if (is_right) {
+ shift = mask + 1 - shift;
+ }
+ gen_extu(ot, cpu_T0);
+ tcg_gen_shli_tl(cpu_tmp0, cpu_T0, shift);
+ tcg_gen_shri_tl(cpu_T0, cpu_T0, mask + 1 - shift);
+ tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_tmp0);
+ break;
+ }
+ }
+
+ /* store */
+ gen_op_st_rm_T0_A0(s, ot, op1);
+
+ if (op2 != 0) {
+ /* Compute the flags into CC_SRC. */
+ gen_compute_eflags(s);
+
+ /* The value that was "rotated out" is now present at the other end
+ of the word. Compute C into CC_DST and O into CC_SRC2. Note that
+ since we've computed the flags into CC_SRC, these variables are
+ currently dead. */
+ if (is_right) {
+ tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask - 1);
+ tcg_gen_shri_tl(cpu_cc_dst, cpu_T0, mask);
+ tcg_gen_andi_tl(cpu_cc_dst, cpu_cc_dst, 1);
+ } else {
+ tcg_gen_shri_tl(cpu_cc_src2, cpu_T0, mask);
+ tcg_gen_andi_tl(cpu_cc_dst, cpu_T0, 1);
+ }
+ tcg_gen_andi_tl(cpu_cc_src2, cpu_cc_src2, 1);
+ tcg_gen_xor_tl(cpu_cc_src2, cpu_cc_src2, cpu_cc_dst);
+ set_cc_op(s, CC_OP_ADCOX);
+ }
+}
+
+/* XXX: add faster immediate = 1 case */
+static void gen_rotc_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
+ int is_right)
+{
+ gen_compute_eflags(s);
+ assert(s->cc_op == CC_OP_EFLAGS);
+
+ /* load */
+ if (op1 == OR_TMP0)
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ else
+ gen_op_mov_v_reg(ot, cpu_T0, op1);
+
+ if (is_right) {
+ switch (ot) {
+ case MO_8:
+ gen_helper_rcrb(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+ case MO_16:
+ gen_helper_rcrw(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+ case MO_32:
+ gen_helper_rcrl(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ gen_helper_rcrq(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+#endif
+ default:
+ tcg_abort();
+ }
+ } else {
+ switch (ot) {
+ case MO_8:
+ gen_helper_rclb(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+ case MO_16:
+ gen_helper_rclw(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+ case MO_32:
+ gen_helper_rcll(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ gen_helper_rclq(cpu_T0, cpu_env, cpu_T0, cpu_T1);
+ break;
+#endif
+ default:
+ tcg_abort();
+ }
+ }
+ /* store */
+ gen_op_st_rm_T0_A0(s, ot, op1);
+}
+
+/* XXX: add faster immediate case */
+static void gen_shiftd_rm_T1(DisasContext *s, TCGMemOp ot, int op1,
+ bool is_right, TCGv count_in)
+{
+ target_ulong mask = (ot == MO_64 ? 63 : 31);
+ TCGv count;
+
+ /* load */
+ if (op1 == OR_TMP0) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, op1);
+ }
+
+ count = tcg_temp_new();
+ tcg_gen_andi_tl(count, count_in, mask);
+
+ switch (ot) {
+ case MO_16:
+ /* Note: we implement the Intel behaviour for shift count > 16.
+ This means "shrdw C, B, A" shifts A:B:A >> C. Build the B:A
+ portion by constructing it as a 32-bit value. */
+ if (is_right) {
+ tcg_gen_deposit_tl(cpu_tmp0, cpu_T0, cpu_T1, 16, 16);
+ tcg_gen_mov_tl(cpu_T1, cpu_T0);
+ tcg_gen_mov_tl(cpu_T0, cpu_tmp0);
+ } else {
+ tcg_gen_deposit_tl(cpu_T1, cpu_T0, cpu_T1, 16, 16);
+ }
+ /* FALLTHRU */
+#ifdef TARGET_X86_64
+ case MO_32:
+ /* Concatenate the two 32-bit values and use a 64-bit shift. */
+ tcg_gen_subi_tl(cpu_tmp0, count, 1);
+ if (is_right) {
+ tcg_gen_concat_tl_i64(cpu_T0, cpu_T0, cpu_T1);
+ tcg_gen_shr_i64(cpu_tmp0, cpu_T0, cpu_tmp0);
+ tcg_gen_shr_i64(cpu_T0, cpu_T0, count);
+ } else {
+ tcg_gen_concat_tl_i64(cpu_T0, cpu_T1, cpu_T0);
+ tcg_gen_shl_i64(cpu_tmp0, cpu_T0, cpu_tmp0);
+ tcg_gen_shl_i64(cpu_T0, cpu_T0, count);
+ tcg_gen_shri_i64(cpu_tmp0, cpu_tmp0, 32);
+ tcg_gen_shri_i64(cpu_T0, cpu_T0, 32);
+ }
+ break;
+#endif
+ default:
+ tcg_gen_subi_tl(cpu_tmp0, count, 1);
+ if (is_right) {
+ tcg_gen_shr_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
+
+ tcg_gen_subfi_tl(cpu_tmp4, mask + 1, count);
+ tcg_gen_shr_tl(cpu_T0, cpu_T0, count);
+ tcg_gen_shl_tl(cpu_T1, cpu_T1, cpu_tmp4);
+ } else {
+ tcg_gen_shl_tl(cpu_tmp0, cpu_T0, cpu_tmp0);
+ if (ot == MO_16) {
+ /* Only needed if count > 16, for Intel behaviour. */
+ tcg_gen_subfi_tl(cpu_tmp4, 33, count);
+ tcg_gen_shr_tl(cpu_tmp4, cpu_T1, cpu_tmp4);
+ tcg_gen_or_tl(cpu_tmp0, cpu_tmp0, cpu_tmp4);
+ }
+
+ tcg_gen_subfi_tl(cpu_tmp4, mask + 1, count);
+ tcg_gen_shl_tl(cpu_T0, cpu_T0, count);
+ tcg_gen_shr_tl(cpu_T1, cpu_T1, cpu_tmp4);
+ }
+ tcg_gen_movi_tl(cpu_tmp4, 0);
+ tcg_gen_movcond_tl(TCG_COND_EQ, cpu_T1, count, cpu_tmp4,
+ cpu_tmp4, cpu_T1);
+ tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_T1);
+ break;
+ }
+
+ /* store */
+ gen_op_st_rm_T0_A0(s, ot, op1);
+
+ gen_shift_flags(s, ot, cpu_T0, cpu_tmp0, count, is_right);
+ tcg_temp_free(count);
+}
+
+static void gen_shift(DisasContext *s1, int op, TCGMemOp ot, int d, int s)
+{
+ if (s != OR_TMP1)
+ gen_op_mov_v_reg(ot, cpu_T1, s);
+ switch(op) {
+ case OP_ROL:
+ gen_rot_rm_T1(s1, ot, d, 0);
+ break;
+ case OP_ROR:
+ gen_rot_rm_T1(s1, ot, d, 1);
+ break;
+ case OP_SHL:
+ case OP_SHL1:
+ gen_shift_rm_T1(s1, ot, d, 0, 0);
+ break;
+ case OP_SHR:
+ gen_shift_rm_T1(s1, ot, d, 1, 0);
+ break;
+ case OP_SAR:
+ gen_shift_rm_T1(s1, ot, d, 1, 1);
+ break;
+ case OP_RCL:
+ gen_rotc_rm_T1(s1, ot, d, 0);
+ break;
+ case OP_RCR:
+ gen_rotc_rm_T1(s1, ot, d, 1);
+ break;
+ }
+}
+
+static void gen_shifti(DisasContext *s1, int op, TCGMemOp ot, int d, int c)
+{
+ switch(op) {
+ case OP_ROL:
+ gen_rot_rm_im(s1, ot, d, c, 0);
+ break;
+ case OP_ROR:
+ gen_rot_rm_im(s1, ot, d, c, 1);
+ break;
+ case OP_SHL:
+ case OP_SHL1:
+ gen_shift_rm_im(s1, ot, d, c, 0, 0);
+ break;
+ case OP_SHR:
+ gen_shift_rm_im(s1, ot, d, c, 1, 0);
+ break;
+ case OP_SAR:
+ gen_shift_rm_im(s1, ot, d, c, 1, 1);
+ break;
+ default:
+ /* currently not optimized */
+ tcg_gen_movi_tl(cpu_T1, c);
+ gen_shift(s1, op, ot, d, OR_TMP1);
+ break;
+ }
+}
+
+/* Decompose an address. */
+
+typedef struct AddressParts {
+ int def_seg;
+ int base;
+ int index;
+ int scale;
+ target_long disp;
+} AddressParts;
+
+static AddressParts gen_lea_modrm_0(CPUX86State *env, DisasContext *s,
+ int modrm)
+{
+ int def_seg, base, index, scale, mod, rm;
+ target_long disp;
+ bool havesib;
+
+ def_seg = R_DS;
+ index = -1;
+ scale = 0;
+ disp = 0;
+
+ mod = (modrm >> 6) & 3;
+ rm = modrm & 7;
+ base = rm | REX_B(s);
+
+ if (mod == 3) {
+ /* Normally filtered out earlier, but including this path
+ simplifies multi-byte nop, as well as bndcl, bndcu, bndcn. */
+ goto done;
+ }
+
+ switch (s->aflag) {
+ case MO_64:
+ case MO_32:
+ havesib = 0;
+ if (rm == 4) {
+ int code = cpu_ldub_code(env, s->pc++);
+ scale = (code >> 6) & 3;
+ index = ((code >> 3) & 7) | REX_X(s);
+ if (index == 4) {
+ index = -1; /* no index */
+ }
+ base = (code & 7) | REX_B(s);
+ havesib = 1;
+ }
+
+ switch (mod) {
+ case 0:
+ if ((base & 7) == 5) {
+ base = -1;
+ disp = (int32_t)cpu_ldl_code(env, s->pc);
+ s->pc += 4;
+ if (CODE64(s) && !havesib) {
+ base = -2;
+ disp += s->pc + s->rip_offset;
+ }
+ }
+ break;
+ case 1:
+ disp = (int8_t)cpu_ldub_code(env, s->pc++);
+ break;
+ default:
+ case 2:
+ disp = (int32_t)cpu_ldl_code(env, s->pc);
+ s->pc += 4;
+ break;
+ }
+
+ /* For correct popl handling with esp. */
+ if (base == R_ESP && s->popl_esp_hack) {
+ disp += s->popl_esp_hack;
+ }
+ if (base == R_EBP || base == R_ESP) {
+ def_seg = R_SS;
+ }
+ break;
+
+ case MO_16:
+ if (mod == 0) {
+ if (rm == 6) {
+ base = -1;
+ disp = cpu_lduw_code(env, s->pc);
+ s->pc += 2;
+ break;
+ }
+ } else if (mod == 1) {
+ disp = (int8_t)cpu_ldub_code(env, s->pc++);
+ } else {
+ disp = (int16_t)cpu_lduw_code(env, s->pc);
+ s->pc += 2;
+ }
+
+ switch (rm) {
+ case 0:
+ base = R_EBX;
+ index = R_ESI;
+ break;
+ case 1:
+ base = R_EBX;
+ index = R_EDI;
+ break;
+ case 2:
+ base = R_EBP;
+ index = R_ESI;
+ def_seg = R_SS;
+ break;
+ case 3:
+ base = R_EBP;
+ index = R_EDI;
+ def_seg = R_SS;
+ break;
+ case 4:
+ base = R_ESI;
+ break;
+ case 5:
+ base = R_EDI;
+ break;
+ case 6:
+ base = R_EBP;
+ def_seg = R_SS;
+ break;
+ default:
+ case 7:
+ base = R_EBX;
+ break;
+ }
+ break;
+
+ default:
+ tcg_abort();
+ }
+
+ done:
+ return (AddressParts){ def_seg, base, index, scale, disp };
+}
+
+/* Compute the address, with a minimum number of TCG ops. */
+static TCGv gen_lea_modrm_1(AddressParts a)
+{
+ TCGv ea;
+
+ TCGV_UNUSED(ea);
+ if (a.index >= 0) {
+ if (a.scale == 0) {
+ ea = cpu_regs[a.index];
+ } else {
+ tcg_gen_shli_tl(cpu_A0, cpu_regs[a.index], a.scale);
+ ea = cpu_A0;
+ }
+ if (a.base >= 0) {
+ tcg_gen_add_tl(cpu_A0, ea, cpu_regs[a.base]);
+ ea = cpu_A0;
+ }
+ } else if (a.base >= 0) {
+ ea = cpu_regs[a.base];
+ }
+ if (TCGV_IS_UNUSED(ea)) {
+ tcg_gen_movi_tl(cpu_A0, a.disp);
+ ea = cpu_A0;
+ } else if (a.disp != 0) {
+ tcg_gen_addi_tl(cpu_A0, ea, a.disp);
+ ea = cpu_A0;
+ }
+
+ return ea;
+}
+
+static void gen_lea_modrm(CPUX86State *env, DisasContext *s, int modrm)
+{
+ AddressParts a = gen_lea_modrm_0(env, s, modrm);
+ TCGv ea = gen_lea_modrm_1(a);
+ gen_lea_v_seg(s, s->aflag, ea, a.def_seg, s->override);
+}
+
+static void gen_nop_modrm(CPUX86State *env, DisasContext *s, int modrm)
+{
+ (void)gen_lea_modrm_0(env, s, modrm);
+}
+
+/* Used for BNDCL, BNDCU, BNDCN. */
+static void gen_bndck(CPUX86State *env, DisasContext *s, int modrm,
+ TCGCond cond, TCGv_i64 bndv)
+{
+ TCGv ea = gen_lea_modrm_1(gen_lea_modrm_0(env, s, modrm));
+
+ tcg_gen_extu_tl_i64(cpu_tmp1_i64, ea);
+ if (!CODE64(s)) {
+ tcg_gen_ext32u_i64(cpu_tmp1_i64, cpu_tmp1_i64);
+ }
+ tcg_gen_setcond_i64(cond, cpu_tmp1_i64, cpu_tmp1_i64, bndv);
+ tcg_gen_extrl_i64_i32(cpu_tmp2_i32, cpu_tmp1_i64);
+ gen_helper_bndck(cpu_env, cpu_tmp2_i32);
+}
+
+/* used for LEA and MOV AX, mem */
+static void gen_add_A0_ds_seg(DisasContext *s)
+{
+ gen_lea_v_seg(s, s->aflag, cpu_A0, R_DS, s->override);
+}
+
+/* generate modrm memory load or store of 'reg'. TMP0 is used if reg ==
+ OR_TMP0 */
+static void gen_ldst_modrm(CPUX86State *env, DisasContext *s, int modrm,
+ TCGMemOp ot, int reg, int is_store)
+{
+ int mod, rm;
+
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ if (mod == 3) {
+ if (is_store) {
+ if (reg != OR_TMP0)
+ gen_op_mov_v_reg(ot, cpu_T0, reg);
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ if (reg != OR_TMP0)
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ }
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ if (is_store) {
+ if (reg != OR_TMP0)
+ gen_op_mov_v_reg(ot, cpu_T0, reg);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ if (reg != OR_TMP0)
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ }
+ }
+}
+
+static inline uint32_t insn_get(CPUX86State *env, DisasContext *s, TCGMemOp ot)
+{
+ uint32_t ret;
+
+ switch (ot) {
+ case MO_8:
+ ret = cpu_ldub_code(env, s->pc);
+ s->pc++;
+ break;
+ case MO_16:
+ ret = cpu_lduw_code(env, s->pc);
+ s->pc += 2;
+ break;
+ case MO_32:
+#ifdef TARGET_X86_64
+ case MO_64:
+#endif
+ ret = cpu_ldl_code(env, s->pc);
+ s->pc += 4;
+ break;
+ default:
+ tcg_abort();
+ }
+ return ret;
+}
+
+static inline int insn_const_size(TCGMemOp ot)
+{
+ if (ot <= MO_32) {
+ return 1 << ot;
+ } else {
+ return 4;
+ }
+}
+
+static inline bool use_goto_tb(DisasContext *s, target_ulong pc)
+{
+#ifndef CONFIG_USER_ONLY
+ return (pc & TARGET_PAGE_MASK) == (s->tb->pc & TARGET_PAGE_MASK) ||
+ (pc & TARGET_PAGE_MASK) == (s->pc_start & TARGET_PAGE_MASK);
+#else
+ return true;
+#endif
+}
+
+static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip)
+{
+ target_ulong pc = s->cs_base + eip;
+
+ if (use_goto_tb(s, pc)) {
+ /* jump to same page: we can use a direct jump */
+ tcg_gen_goto_tb(tb_num);
+ gen_jmp_im(eip);
+ tcg_gen_exit_tb((uintptr_t)s->tb + tb_num);
+ } else {
+ /* jump to another page: currently not optimized */
+ gen_jmp_im(eip);
+ gen_eob(s);
+ }
+}
+
+static inline void gen_jcc(DisasContext *s, int b,
+ target_ulong val, target_ulong next_eip)
+{
+ TCGLabel *l1, *l2;
+
+ if (s->jmp_opt) {
+ l1 = gen_new_label();
+ gen_jcc1(s, b, l1);
+
+ gen_goto_tb(s, 0, next_eip);
+
+ gen_set_label(l1);
+ gen_goto_tb(s, 1, val);
+ s->is_jmp = DISAS_TB_JUMP;
+ } else {
+ l1 = gen_new_label();
+ l2 = gen_new_label();
+ gen_jcc1(s, b, l1);
+
+ gen_jmp_im(next_eip);
+ tcg_gen_br(l2);
+
+ gen_set_label(l1);
+ gen_jmp_im(val);
+ gen_set_label(l2);
+ gen_eob(s);
+ }
+}
+
+static void gen_cmovcc1(CPUX86State *env, DisasContext *s, TCGMemOp ot, int b,
+ int modrm, int reg)
+{
+ CCPrepare cc;
+
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+
+ cc = gen_prepare_cc(s, b, cpu_T1);
+ if (cc.mask != -1) {
+ TCGv t0 = tcg_temp_new();
+ tcg_gen_andi_tl(t0, cc.reg, cc.mask);
+ cc.reg = t0;
+ }
+ if (!cc.use_reg2) {
+ cc.reg2 = tcg_const_tl(cc.imm);
+ }
+
+ tcg_gen_movcond_tl(cc.cond, cpu_T0, cc.reg, cc.reg2,
+ cpu_T0, cpu_regs[reg]);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+
+ if (cc.mask != -1) {
+ tcg_temp_free(cc.reg);
+ }
+ if (!cc.use_reg2) {
+ tcg_temp_free(cc.reg2);
+ }
+}
+
+static inline void gen_op_movl_T0_seg(int seg_reg)
+{
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,segs[seg_reg].selector));
+}
+
+static inline void gen_op_movl_seg_T0_vm(int seg_reg)
+{
+ tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,segs[seg_reg].selector));
+ tcg_gen_shli_tl(cpu_seg_base[seg_reg], cpu_T0, 4);
+}
+
+/* move T0 to seg_reg and compute if the CPU state may change. Never
+ call this function with seg_reg == R_CS */
+static void gen_movl_seg_T0(DisasContext *s, int seg_reg)
+{
+ if (s->pe && !s->vm86) {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_load_seg(cpu_env, tcg_const_i32(seg_reg), cpu_tmp2_i32);
+ /* abort translation because the addseg value may change or
+ because ss32 may change. For R_SS, translation must always
+ stop as a special handling must be done to disable hardware
+ interrupts for the next instruction */
+ if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS))
+ s->is_jmp = DISAS_TB_JUMP;
+ } else {
+ gen_op_movl_seg_T0_vm(seg_reg);
+ if (seg_reg == R_SS)
+ s->is_jmp = DISAS_TB_JUMP;
+ }
+}
+
+static inline int svm_is_rep(int prefixes)
+{
+ return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0);
+}
+
+static inline void
+gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start,
+ uint32_t type, uint64_t param)
+{
+ /* no SVM activated; fast case */
+ if (likely(!(s->flags & HF_SVMI_MASK)))
+ return;
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_svm_check_intercept_param(cpu_env, tcg_const_i32(type),
+ tcg_const_i64(param));
+}
+
+static inline void
+gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type)
+{
+ gen_svm_check_intercept_param(s, pc_start, type, 0);
+}
+
+static inline void gen_stack_update(DisasContext *s, int addend)
+{
+ gen_op_add_reg_im(mo_stacksize(s), R_ESP, addend);
+}
+
+/* Generate a push. It depends on ss32, addseg and dflag. */
+static void gen_push_v(DisasContext *s, TCGv val)
+{
+ TCGMemOp d_ot = mo_pushpop(s, s->dflag);
+ TCGMemOp a_ot = mo_stacksize(s);
+ int size = 1 << d_ot;
+ TCGv new_esp = cpu_A0;
+
+ tcg_gen_subi_tl(cpu_A0, cpu_regs[R_ESP], size);
+
+ if (!CODE64(s)) {
+ if (s->addseg) {
+ new_esp = cpu_tmp4;
+ tcg_gen_mov_tl(new_esp, cpu_A0);
+ }
+ gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
+ }
+
+ gen_op_st_v(s, d_ot, val, cpu_A0);
+ gen_op_mov_reg_v(a_ot, R_ESP, new_esp);
+}
+
+/* two step pop is necessary for precise exceptions */
+static TCGMemOp gen_pop_T0(DisasContext *s)
+{
+ TCGMemOp d_ot = mo_pushpop(s, s->dflag);
+
+ gen_lea_v_seg(s, mo_stacksize(s), cpu_regs[R_ESP], R_SS, -1);
+ gen_op_ld_v(s, d_ot, cpu_T0, cpu_A0);
+
+ return d_ot;
+}
+
+static inline void gen_pop_update(DisasContext *s, TCGMemOp ot)
+{
+ gen_stack_update(s, 1 << ot);
+}
+
+static inline void gen_stack_A0(DisasContext *s)
+{
+ gen_lea_v_seg(s, s->ss32 ? MO_32 : MO_16, cpu_regs[R_ESP], R_SS, -1);
+}
+
+static void gen_pusha(DisasContext *s)
+{
+ TCGMemOp s_ot = s->ss32 ? MO_32 : MO_16;
+ TCGMemOp d_ot = s->dflag;
+ int size = 1 << d_ot;
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ tcg_gen_addi_tl(cpu_A0, cpu_regs[R_ESP], (i - 8) * size);
+ gen_lea_v_seg(s, s_ot, cpu_A0, R_SS, -1);
+ gen_op_st_v(s, d_ot, cpu_regs[7 - i], cpu_A0);
+ }
+
+ gen_stack_update(s, -8 * size);
+}
+
+static void gen_popa(DisasContext *s)
+{
+ TCGMemOp s_ot = s->ss32 ? MO_32 : MO_16;
+ TCGMemOp d_ot = s->dflag;
+ int size = 1 << d_ot;
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ /* ESP is not reloaded */
+ if (7 - i == R_ESP) {
+ continue;
+ }
+ tcg_gen_addi_tl(cpu_A0, cpu_regs[R_ESP], i * size);
+ gen_lea_v_seg(s, s_ot, cpu_A0, R_SS, -1);
+ gen_op_ld_v(s, d_ot, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(d_ot, 7 - i, cpu_T0);
+ }
+
+ gen_stack_update(s, 8 * size);
+}
+
+static void gen_enter(DisasContext *s, int esp_addend, int level)
+{
+ TCGMemOp d_ot = mo_pushpop(s, s->dflag);
+ TCGMemOp a_ot = CODE64(s) ? MO_64 : s->ss32 ? MO_32 : MO_16;
+ int size = 1 << d_ot;
+
+ /* Push BP; compute FrameTemp into T1. */
+ tcg_gen_subi_tl(cpu_T1, cpu_regs[R_ESP], size);
+ gen_lea_v_seg(s, a_ot, cpu_T1, R_SS, -1);
+ gen_op_st_v(s, d_ot, cpu_regs[R_EBP], cpu_A0);
+
+ level &= 31;
+ if (level != 0) {
+ int i;
+
+ /* Copy level-1 pointers from the previous frame. */
+ for (i = 1; i < level; ++i) {
+ tcg_gen_subi_tl(cpu_A0, cpu_regs[R_EBP], size * i);
+ gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
+ gen_op_ld_v(s, d_ot, cpu_tmp0, cpu_A0);
+
+ tcg_gen_subi_tl(cpu_A0, cpu_T1, size * i);
+ gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
+ gen_op_st_v(s, d_ot, cpu_tmp0, cpu_A0);
+ }
+
+ /* Push the current FrameTemp as the last level. */
+ tcg_gen_subi_tl(cpu_A0, cpu_T1, size * level);
+ gen_lea_v_seg(s, a_ot, cpu_A0, R_SS, -1);
+ gen_op_st_v(s, d_ot, cpu_T1, cpu_A0);
+ }
+
+ /* Copy the FrameTemp value to EBP. */
+ gen_op_mov_reg_v(a_ot, R_EBP, cpu_T1);
+
+ /* Compute the final value of ESP. */
+ tcg_gen_subi_tl(cpu_T1, cpu_T1, esp_addend + size * level);
+ gen_op_mov_reg_v(a_ot, R_ESP, cpu_T1);
+}
+
+static void gen_leave(DisasContext *s)
+{
+ TCGMemOp d_ot = mo_pushpop(s, s->dflag);
+ TCGMemOp a_ot = mo_stacksize(s);
+
+ gen_lea_v_seg(s, a_ot, cpu_regs[R_EBP], R_SS, -1);
+ gen_op_ld_v(s, d_ot, cpu_T0, cpu_A0);
+
+ tcg_gen_addi_tl(cpu_T1, cpu_regs[R_EBP], 1 << d_ot);
+
+ gen_op_mov_reg_v(d_ot, R_EBP, cpu_T0);
+ gen_op_mov_reg_v(a_ot, R_ESP, cpu_T1);
+}
+
+static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip)
+{
+ gen_update_cc_op(s);
+ gen_jmp_im(cur_eip);
+ gen_helper_raise_exception(cpu_env, tcg_const_i32(trapno));
+ s->is_jmp = DISAS_TB_JUMP;
+}
+
+/* Generate #UD for the current instruction. The assumption here is that
+ the instruction is known, but it isn't allowed in the current cpu mode. */
+static void gen_illegal_opcode(DisasContext *s)
+{
+ gen_exception(s, EXCP06_ILLOP, s->pc_start - s->cs_base);
+}
+
+/* Similarly, except that the assumption here is that we don't decode
+ the instruction at all -- either a missing opcode, an unimplemented
+ feature, or just a bogus instruction stream. */
+static void gen_unknown_opcode(CPUX86State *env, DisasContext *s)
+{
+ gen_illegal_opcode(s);
+
+ if (qemu_loglevel_mask(LOG_UNIMP)) {
+ target_ulong pc = s->pc_start, end = s->pc;
+ qemu_log_lock();
+ qemu_log("ILLOPC: " TARGET_FMT_lx ":", pc);
+ for (; pc < end; ++pc) {
+ qemu_log(" %02x", cpu_ldub_code(env, pc));
+ }
+ qemu_log("\n");
+ qemu_log_unlock();
+ }
+}
+
+/* an interrupt is different from an exception because of the
+ privilege checks */
+static void gen_interrupt(DisasContext *s, int intno,
+ target_ulong cur_eip, target_ulong next_eip)
+{
+ gen_update_cc_op(s);
+ gen_jmp_im(cur_eip);
+ gen_helper_raise_interrupt(cpu_env, tcg_const_i32(intno),
+ tcg_const_i32(next_eip - cur_eip));
+ s->is_jmp = DISAS_TB_JUMP;
+}
+
+static void gen_debug(DisasContext *s, target_ulong cur_eip)
+{
+ gen_update_cc_op(s);
+ gen_jmp_im(cur_eip);
+ gen_helper_debug(cpu_env);
+ s->is_jmp = DISAS_TB_JUMP;
+}
+
+static void gen_set_hflag(DisasContext *s, uint32_t mask)
+{
+ if ((s->flags & mask) == 0) {
+ TCGv_i32 t = tcg_temp_new_i32();
+ tcg_gen_ld_i32(t, cpu_env, offsetof(CPUX86State, hflags));
+ tcg_gen_ori_i32(t, t, mask);
+ tcg_gen_st_i32(t, cpu_env, offsetof(CPUX86State, hflags));
+ tcg_temp_free_i32(t);
+ s->flags |= mask;
+ }
+}
+
+static void gen_reset_hflag(DisasContext *s, uint32_t mask)
+{
+ if (s->flags & mask) {
+ TCGv_i32 t = tcg_temp_new_i32();
+ tcg_gen_ld_i32(t, cpu_env, offsetof(CPUX86State, hflags));
+ tcg_gen_andi_i32(t, t, ~mask);
+ tcg_gen_st_i32(t, cpu_env, offsetof(CPUX86State, hflags));
+ tcg_temp_free_i32(t);
+ s->flags &= ~mask;
+ }
+}
+
+/* Clear BND registers during legacy branches. */
+static void gen_bnd_jmp(DisasContext *s)
+{
+ /* Clear the registers only if BND prefix is missing, MPX is enabled,
+ and if the BNDREGs are known to be in use (non-zero) already.
+ The helper itself will check BNDPRESERVE at runtime. */
+ if ((s->prefix & PREFIX_REPNZ) == 0
+ && (s->flags & HF_MPX_EN_MASK) != 0
+ && (s->flags & HF_MPX_IU_MASK) != 0) {
+ gen_helper_bnd_jmp(cpu_env);
+ }
+}
+
+/* Generate an end of block. Trace exception is also generated if needed.
+ If IIM, set HF_INHIBIT_IRQ_MASK if it isn't already set. */
+static void gen_eob_inhibit_irq(DisasContext *s, bool inhibit)
+{
+ gen_update_cc_op(s);
+
+ /* If several instructions disable interrupts, only the first does it. */
+ if (inhibit && !(s->flags & HF_INHIBIT_IRQ_MASK)) {
+ gen_set_hflag(s, HF_INHIBIT_IRQ_MASK);
+ } else {
+ gen_reset_hflag(s, HF_INHIBIT_IRQ_MASK);
+ }
+
+ if (s->tb->flags & HF_RF_MASK) {
+ gen_helper_reset_rf(cpu_env);
+ }
+ if (s->singlestep_enabled) {
+ gen_helper_debug(cpu_env);
+ } else if (s->tf) {
+ gen_helper_single_step(cpu_env);
+ } else {
+ tcg_gen_exit_tb(0);
+ }
+ s->is_jmp = DISAS_TB_JUMP;
+}
+
+/* End of block, resetting the inhibit irq flag. */
+static void gen_eob(DisasContext *s)
+{
+ gen_eob_inhibit_irq(s, false);
+}
+
+/* generate a jump to eip. No segment change must happen before as a
+ direct call to the next block may occur */
+static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num)
+{
+ gen_update_cc_op(s);
+ set_cc_op(s, CC_OP_DYNAMIC);
+ if (s->jmp_opt) {
+ gen_goto_tb(s, tb_num, eip);
+ s->is_jmp = DISAS_TB_JUMP;
+ } else {
+ gen_jmp_im(eip);
+ gen_eob(s);
+ }
+}
+
+static void gen_jmp(DisasContext *s, target_ulong eip)
+{
+ gen_jmp_tb(s, eip, 0);
+}
+
+static inline void gen_ldq_env_A0(DisasContext *s, int offset)
+{
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset);
+}
+
+static inline void gen_stq_env_A0(DisasContext *s, int offset)
+{
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset);
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
+}
+
+static inline void gen_ldo_env_A0(DisasContext *s, int offset)
+{
+ int mem_index = s->mem_index;
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0, mem_index, MO_LEQ);
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(0)));
+ tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_tmp0, mem_index, MO_LEQ);
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(1)));
+}
+
+static inline void gen_sto_env_A0(DisasContext *s, int offset)
+{
+ int mem_index = s->mem_index;
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(0)));
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, mem_index, MO_LEQ);
+ tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(ZMMReg, ZMM_Q(1)));
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_tmp0, mem_index, MO_LEQ);
+}
+
+static inline void gen_op_movo(int d_offset, int s_offset)
+{
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + offsetof(ZMMReg, ZMM_Q(0)));
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + offsetof(ZMMReg, ZMM_Q(0)));
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + offsetof(ZMMReg, ZMM_Q(1)));
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + offsetof(ZMMReg, ZMM_Q(1)));
+}
+
+static inline void gen_op_movq(int d_offset, int s_offset)
+{
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset);
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
+}
+
+static inline void gen_op_movl(int d_offset, int s_offset)
+{
+ tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset);
+ tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset);
+}
+
+static inline void gen_op_movq_env_0(int d_offset)
+{
+ tcg_gen_movi_i64(cpu_tmp1_i64, 0);
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset);
+}
+
+typedef void (*SSEFunc_i_ep)(TCGv_i32 val, TCGv_ptr env, TCGv_ptr reg);
+typedef void (*SSEFunc_l_ep)(TCGv_i64 val, TCGv_ptr env, TCGv_ptr reg);
+typedef void (*SSEFunc_0_epi)(TCGv_ptr env, TCGv_ptr reg, TCGv_i32 val);
+typedef void (*SSEFunc_0_epl)(TCGv_ptr env, TCGv_ptr reg, TCGv_i64 val);
+typedef void (*SSEFunc_0_epp)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b);
+typedef void (*SSEFunc_0_eppi)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
+ TCGv_i32 val);
+typedef void (*SSEFunc_0_ppi)(TCGv_ptr reg_a, TCGv_ptr reg_b, TCGv_i32 val);
+typedef void (*SSEFunc_0_eppt)(TCGv_ptr env, TCGv_ptr reg_a, TCGv_ptr reg_b,
+ TCGv val);
+
+#define SSE_SPECIAL ((void *)1)
+#define SSE_DUMMY ((void *)2)
+
+#define MMX_OP2(x) { gen_helper_ ## x ## _mmx, gen_helper_ ## x ## _xmm }
+#define SSE_FOP(x) { gen_helper_ ## x ## ps, gen_helper_ ## x ## pd, \
+ gen_helper_ ## x ## ss, gen_helper_ ## x ## sd, }
+
+static const SSEFunc_0_epp sse_op_table1[256][4] = {
+ /* 3DNow! extensions */
+ [0x0e] = { SSE_DUMMY }, /* femms */
+ [0x0f] = { SSE_DUMMY }, /* pf... */
+ /* pure SSE operations */
+ [0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
+ [0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */
+ [0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */
+ [0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */
+ [0x14] = { gen_helper_punpckldq_xmm, gen_helper_punpcklqdq_xmm },
+ [0x15] = { gen_helper_punpckhdq_xmm, gen_helper_punpckhqdq_xmm },
+ [0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */
+ [0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */
+
+ [0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */
+ [0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */
+ [0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */
+ [0x2b] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd, movntss, movntsd */
+ [0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */
+ [0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */
+ [0x2e] = { gen_helper_ucomiss, gen_helper_ucomisd },
+ [0x2f] = { gen_helper_comiss, gen_helper_comisd },
+ [0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */
+ [0x51] = SSE_FOP(sqrt),
+ [0x52] = { gen_helper_rsqrtps, NULL, gen_helper_rsqrtss, NULL },
+ [0x53] = { gen_helper_rcpps, NULL, gen_helper_rcpss, NULL },
+ [0x54] = { gen_helper_pand_xmm, gen_helper_pand_xmm }, /* andps, andpd */
+ [0x55] = { gen_helper_pandn_xmm, gen_helper_pandn_xmm }, /* andnps, andnpd */
+ [0x56] = { gen_helper_por_xmm, gen_helper_por_xmm }, /* orps, orpd */
+ [0x57] = { gen_helper_pxor_xmm, gen_helper_pxor_xmm }, /* xorps, xorpd */
+ [0x58] = SSE_FOP(add),
+ [0x59] = SSE_FOP(mul),
+ [0x5a] = { gen_helper_cvtps2pd, gen_helper_cvtpd2ps,
+ gen_helper_cvtss2sd, gen_helper_cvtsd2ss },
+ [0x5b] = { gen_helper_cvtdq2ps, gen_helper_cvtps2dq, gen_helper_cvttps2dq },
+ [0x5c] = SSE_FOP(sub),
+ [0x5d] = SSE_FOP(min),
+ [0x5e] = SSE_FOP(div),
+ [0x5f] = SSE_FOP(max),
+
+ [0xc2] = SSE_FOP(cmpeq),
+ [0xc6] = { (SSEFunc_0_epp)gen_helper_shufps,
+ (SSEFunc_0_epp)gen_helper_shufpd }, /* XXX: casts */
+
+ /* SSSE3, SSE4, MOVBE, CRC32, BMI1, BMI2, ADX. */
+ [0x38] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
+ [0x3a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
+
+ /* MMX ops and their SSE extensions */
+ [0x60] = MMX_OP2(punpcklbw),
+ [0x61] = MMX_OP2(punpcklwd),
+ [0x62] = MMX_OP2(punpckldq),
+ [0x63] = MMX_OP2(packsswb),
+ [0x64] = MMX_OP2(pcmpgtb),
+ [0x65] = MMX_OP2(pcmpgtw),
+ [0x66] = MMX_OP2(pcmpgtl),
+ [0x67] = MMX_OP2(packuswb),
+ [0x68] = MMX_OP2(punpckhbw),
+ [0x69] = MMX_OP2(punpckhwd),
+ [0x6a] = MMX_OP2(punpckhdq),
+ [0x6b] = MMX_OP2(packssdw),
+ [0x6c] = { NULL, gen_helper_punpcklqdq_xmm },
+ [0x6d] = { NULL, gen_helper_punpckhqdq_xmm },
+ [0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */
+ [0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */
+ [0x70] = { (SSEFunc_0_epp)gen_helper_pshufw_mmx,
+ (SSEFunc_0_epp)gen_helper_pshufd_xmm,
+ (SSEFunc_0_epp)gen_helper_pshufhw_xmm,
+ (SSEFunc_0_epp)gen_helper_pshuflw_xmm }, /* XXX: casts */
+ [0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */
+ [0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */
+ [0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */
+ [0x74] = MMX_OP2(pcmpeqb),
+ [0x75] = MMX_OP2(pcmpeqw),
+ [0x76] = MMX_OP2(pcmpeql),
+ [0x77] = { SSE_DUMMY }, /* emms */
+ [0x78] = { NULL, SSE_SPECIAL, NULL, SSE_SPECIAL }, /* extrq_i, insertq_i */
+ [0x79] = { NULL, gen_helper_extrq_r, NULL, gen_helper_insertq_r },
+ [0x7c] = { NULL, gen_helper_haddpd, NULL, gen_helper_haddps },
+ [0x7d] = { NULL, gen_helper_hsubpd, NULL, gen_helper_hsubps },
+ [0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */
+ [0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */
+ [0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */
+ [0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */
+ [0xd0] = { NULL, gen_helper_addsubpd, NULL, gen_helper_addsubps },
+ [0xd1] = MMX_OP2(psrlw),
+ [0xd2] = MMX_OP2(psrld),
+ [0xd3] = MMX_OP2(psrlq),
+ [0xd4] = MMX_OP2(paddq),
+ [0xd5] = MMX_OP2(pmullw),
+ [0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL },
+ [0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */
+ [0xd8] = MMX_OP2(psubusb),
+ [0xd9] = MMX_OP2(psubusw),
+ [0xda] = MMX_OP2(pminub),
+ [0xdb] = MMX_OP2(pand),
+ [0xdc] = MMX_OP2(paddusb),
+ [0xdd] = MMX_OP2(paddusw),
+ [0xde] = MMX_OP2(pmaxub),
+ [0xdf] = MMX_OP2(pandn),
+ [0xe0] = MMX_OP2(pavgb),
+ [0xe1] = MMX_OP2(psraw),
+ [0xe2] = MMX_OP2(psrad),
+ [0xe3] = MMX_OP2(pavgw),
+ [0xe4] = MMX_OP2(pmulhuw),
+ [0xe5] = MMX_OP2(pmulhw),
+ [0xe6] = { NULL, gen_helper_cvttpd2dq, gen_helper_cvtdq2pd, gen_helper_cvtpd2dq },
+ [0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */
+ [0xe8] = MMX_OP2(psubsb),
+ [0xe9] = MMX_OP2(psubsw),
+ [0xea] = MMX_OP2(pminsw),
+ [0xeb] = MMX_OP2(por),
+ [0xec] = MMX_OP2(paddsb),
+ [0xed] = MMX_OP2(paddsw),
+ [0xee] = MMX_OP2(pmaxsw),
+ [0xef] = MMX_OP2(pxor),
+ [0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */
+ [0xf1] = MMX_OP2(psllw),
+ [0xf2] = MMX_OP2(pslld),
+ [0xf3] = MMX_OP2(psllq),
+ [0xf4] = MMX_OP2(pmuludq),
+ [0xf5] = MMX_OP2(pmaddwd),
+ [0xf6] = MMX_OP2(psadbw),
+ [0xf7] = { (SSEFunc_0_epp)gen_helper_maskmov_mmx,
+ (SSEFunc_0_epp)gen_helper_maskmov_xmm }, /* XXX: casts */
+ [0xf8] = MMX_OP2(psubb),
+ [0xf9] = MMX_OP2(psubw),
+ [0xfa] = MMX_OP2(psubl),
+ [0xfb] = MMX_OP2(psubq),
+ [0xfc] = MMX_OP2(paddb),
+ [0xfd] = MMX_OP2(paddw),
+ [0xfe] = MMX_OP2(paddl),
+};
+
+static const SSEFunc_0_epp sse_op_table2[3 * 8][2] = {
+ [0 + 2] = MMX_OP2(psrlw),
+ [0 + 4] = MMX_OP2(psraw),
+ [0 + 6] = MMX_OP2(psllw),
+ [8 + 2] = MMX_OP2(psrld),
+ [8 + 4] = MMX_OP2(psrad),
+ [8 + 6] = MMX_OP2(pslld),
+ [16 + 2] = MMX_OP2(psrlq),
+ [16 + 3] = { NULL, gen_helper_psrldq_xmm },
+ [16 + 6] = MMX_OP2(psllq),
+ [16 + 7] = { NULL, gen_helper_pslldq_xmm },
+};
+
+static const SSEFunc_0_epi sse_op_table3ai[] = {
+ gen_helper_cvtsi2ss,
+ gen_helper_cvtsi2sd
+};
+
+#ifdef TARGET_X86_64
+static const SSEFunc_0_epl sse_op_table3aq[] = {
+ gen_helper_cvtsq2ss,
+ gen_helper_cvtsq2sd
+};
+#endif
+
+static const SSEFunc_i_ep sse_op_table3bi[] = {
+ gen_helper_cvttss2si,
+ gen_helper_cvtss2si,
+ gen_helper_cvttsd2si,
+ gen_helper_cvtsd2si
+};
+
+#ifdef TARGET_X86_64
+static const SSEFunc_l_ep sse_op_table3bq[] = {
+ gen_helper_cvttss2sq,
+ gen_helper_cvtss2sq,
+ gen_helper_cvttsd2sq,
+ gen_helper_cvtsd2sq
+};
+#endif
+
+static const SSEFunc_0_epp sse_op_table4[8][4] = {
+ SSE_FOP(cmpeq),
+ SSE_FOP(cmplt),
+ SSE_FOP(cmple),
+ SSE_FOP(cmpunord),
+ SSE_FOP(cmpneq),
+ SSE_FOP(cmpnlt),
+ SSE_FOP(cmpnle),
+ SSE_FOP(cmpord),
+};
+
+static const SSEFunc_0_epp sse_op_table5[256] = {
+ [0x0c] = gen_helper_pi2fw,
+ [0x0d] = gen_helper_pi2fd,
+ [0x1c] = gen_helper_pf2iw,
+ [0x1d] = gen_helper_pf2id,
+ [0x8a] = gen_helper_pfnacc,
+ [0x8e] = gen_helper_pfpnacc,
+ [0x90] = gen_helper_pfcmpge,
+ [0x94] = gen_helper_pfmin,
+ [0x96] = gen_helper_pfrcp,
+ [0x97] = gen_helper_pfrsqrt,
+ [0x9a] = gen_helper_pfsub,
+ [0x9e] = gen_helper_pfadd,
+ [0xa0] = gen_helper_pfcmpgt,
+ [0xa4] = gen_helper_pfmax,
+ [0xa6] = gen_helper_movq, /* pfrcpit1; no need to actually increase precision */
+ [0xa7] = gen_helper_movq, /* pfrsqit1 */
+ [0xaa] = gen_helper_pfsubr,
+ [0xae] = gen_helper_pfacc,
+ [0xb0] = gen_helper_pfcmpeq,
+ [0xb4] = gen_helper_pfmul,
+ [0xb6] = gen_helper_movq, /* pfrcpit2 */
+ [0xb7] = gen_helper_pmulhrw_mmx,
+ [0xbb] = gen_helper_pswapd,
+ [0xbf] = gen_helper_pavgb_mmx /* pavgusb */
+};
+
+struct SSEOpHelper_epp {
+ SSEFunc_0_epp op[2];
+ uint32_t ext_mask;
+};
+
+struct SSEOpHelper_eppi {
+ SSEFunc_0_eppi op[2];
+ uint32_t ext_mask;
+};
+
+#define SSSE3_OP(x) { MMX_OP2(x), CPUID_EXT_SSSE3 }
+#define SSE41_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE41 }
+#define SSE42_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_SSE42 }
+#define SSE41_SPECIAL { { NULL, SSE_SPECIAL }, CPUID_EXT_SSE41 }
+#define PCLMULQDQ_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, \
+ CPUID_EXT_PCLMULQDQ }
+#define AESNI_OP(x) { { NULL, gen_helper_ ## x ## _xmm }, CPUID_EXT_AES }
+
+static const struct SSEOpHelper_epp sse_op_table6[256] = {
+ [0x00] = SSSE3_OP(pshufb),
+ [0x01] = SSSE3_OP(phaddw),
+ [0x02] = SSSE3_OP(phaddd),
+ [0x03] = SSSE3_OP(phaddsw),
+ [0x04] = SSSE3_OP(pmaddubsw),
+ [0x05] = SSSE3_OP(phsubw),
+ [0x06] = SSSE3_OP(phsubd),
+ [0x07] = SSSE3_OP(phsubsw),
+ [0x08] = SSSE3_OP(psignb),
+ [0x09] = SSSE3_OP(psignw),
+ [0x0a] = SSSE3_OP(psignd),
+ [0x0b] = SSSE3_OP(pmulhrsw),
+ [0x10] = SSE41_OP(pblendvb),
+ [0x14] = SSE41_OP(blendvps),
+ [0x15] = SSE41_OP(blendvpd),
+ [0x17] = SSE41_OP(ptest),
+ [0x1c] = SSSE3_OP(pabsb),
+ [0x1d] = SSSE3_OP(pabsw),
+ [0x1e] = SSSE3_OP(pabsd),
+ [0x20] = SSE41_OP(pmovsxbw),
+ [0x21] = SSE41_OP(pmovsxbd),
+ [0x22] = SSE41_OP(pmovsxbq),
+ [0x23] = SSE41_OP(pmovsxwd),
+ [0x24] = SSE41_OP(pmovsxwq),
+ [0x25] = SSE41_OP(pmovsxdq),
+ [0x28] = SSE41_OP(pmuldq),
+ [0x29] = SSE41_OP(pcmpeqq),
+ [0x2a] = SSE41_SPECIAL, /* movntqda */
+ [0x2b] = SSE41_OP(packusdw),
+ [0x30] = SSE41_OP(pmovzxbw),
+ [0x31] = SSE41_OP(pmovzxbd),
+ [0x32] = SSE41_OP(pmovzxbq),
+ [0x33] = SSE41_OP(pmovzxwd),
+ [0x34] = SSE41_OP(pmovzxwq),
+ [0x35] = SSE41_OP(pmovzxdq),
+ [0x37] = SSE42_OP(pcmpgtq),
+ [0x38] = SSE41_OP(pminsb),
+ [0x39] = SSE41_OP(pminsd),
+ [0x3a] = SSE41_OP(pminuw),
+ [0x3b] = SSE41_OP(pminud),
+ [0x3c] = SSE41_OP(pmaxsb),
+ [0x3d] = SSE41_OP(pmaxsd),
+ [0x3e] = SSE41_OP(pmaxuw),
+ [0x3f] = SSE41_OP(pmaxud),
+ [0x40] = SSE41_OP(pmulld),
+ [0x41] = SSE41_OP(phminposuw),
+ [0xdb] = AESNI_OP(aesimc),
+ [0xdc] = AESNI_OP(aesenc),
+ [0xdd] = AESNI_OP(aesenclast),
+ [0xde] = AESNI_OP(aesdec),
+ [0xdf] = AESNI_OP(aesdeclast),
+};
+
+static const struct SSEOpHelper_eppi sse_op_table7[256] = {
+ [0x08] = SSE41_OP(roundps),
+ [0x09] = SSE41_OP(roundpd),
+ [0x0a] = SSE41_OP(roundss),
+ [0x0b] = SSE41_OP(roundsd),
+ [0x0c] = SSE41_OP(blendps),
+ [0x0d] = SSE41_OP(blendpd),
+ [0x0e] = SSE41_OP(pblendw),
+ [0x0f] = SSSE3_OP(palignr),
+ [0x14] = SSE41_SPECIAL, /* pextrb */
+ [0x15] = SSE41_SPECIAL, /* pextrw */
+ [0x16] = SSE41_SPECIAL, /* pextrd/pextrq */
+ [0x17] = SSE41_SPECIAL, /* extractps */
+ [0x20] = SSE41_SPECIAL, /* pinsrb */
+ [0x21] = SSE41_SPECIAL, /* insertps */
+ [0x22] = SSE41_SPECIAL, /* pinsrd/pinsrq */
+ [0x40] = SSE41_OP(dpps),
+ [0x41] = SSE41_OP(dppd),
+ [0x42] = SSE41_OP(mpsadbw),
+ [0x44] = PCLMULQDQ_OP(pclmulqdq),
+ [0x60] = SSE42_OP(pcmpestrm),
+ [0x61] = SSE42_OP(pcmpestri),
+ [0x62] = SSE42_OP(pcmpistrm),
+ [0x63] = SSE42_OP(pcmpistri),
+ [0xdf] = AESNI_OP(aeskeygenassist),
+};
+
+static void gen_sse(CPUX86State *env, DisasContext *s, int b,
+ target_ulong pc_start, int rex_r)
+{
+ int b1, op1_offset, op2_offset, is_xmm, val;
+ int modrm, mod, rm, reg;
+ SSEFunc_0_epp sse_fn_epp;
+ SSEFunc_0_eppi sse_fn_eppi;
+ SSEFunc_0_ppi sse_fn_ppi;
+ SSEFunc_0_eppt sse_fn_eppt;
+ TCGMemOp ot;
+
+ b &= 0xff;
+ if (s->prefix & PREFIX_DATA)
+ b1 = 1;
+ else if (s->prefix & PREFIX_REPZ)
+ b1 = 2;
+ else if (s->prefix & PREFIX_REPNZ)
+ b1 = 3;
+ else
+ b1 = 0;
+ sse_fn_epp = sse_op_table1[b][b1];
+ if (!sse_fn_epp) {
+ goto unknown_op;
+ }
+ if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) {
+ is_xmm = 1;
+ } else {
+ if (b1 == 0) {
+ /* MMX case */
+ is_xmm = 0;
+ } else {
+ is_xmm = 1;
+ }
+ }
+ /* simple MMX/SSE operation */
+ if (s->flags & HF_TS_MASK) {
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ return;
+ }
+ if (s->flags & HF_EM_MASK) {
+ illegal_op:
+ gen_illegal_opcode(s);
+ return;
+ }
+ if (is_xmm
+ && !(s->flags & HF_OSFXSR_MASK)
+ && ((b != 0x38 && b != 0x3a) || (s->prefix & PREFIX_DATA))) {
+ goto unknown_op;
+ }
+ if (b == 0x0e) {
+ if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW)) {
+ /* If we were fully decoding this we might use illegal_op. */
+ goto unknown_op;
+ }
+ /* femms */
+ gen_helper_emms(cpu_env);
+ return;
+ }
+ if (b == 0x77) {
+ /* emms */
+ gen_helper_emms(cpu_env);
+ return;
+ }
+ /* prepare MMX state (XXX: optimize by storing fptt and fptags in
+ the static cpu state) */
+ if (!is_xmm) {
+ gen_helper_enter_mmx(cpu_env);
+ }
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7);
+ if (is_xmm)
+ reg |= rex_r;
+ mod = (modrm >> 6) & 3;
+ if (sse_fn_epp == SSE_SPECIAL) {
+ b |= (b1 << 8);
+ switch(b) {
+ case 0x0e7: /* movntq */
+ if (mod == 3) {
+ goto illegal_op;
+ }
+ gen_lea_modrm(env, s, modrm);
+ gen_stq_env_A0(s, offsetof(CPUX86State, fpregs[reg].mmx));
+ break;
+ case 0x1e7: /* movntdq */
+ case 0x02b: /* movntps */
+ case 0x12b: /* movntps */
+ if (mod == 3)
+ goto illegal_op;
+ gen_lea_modrm(env, s, modrm);
+ gen_sto_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+ break;
+ case 0x3f0: /* lddqu */
+ if (mod == 3)
+ goto illegal_op;
+ gen_lea_modrm(env, s, modrm);
+ gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+ break;
+ case 0x22b: /* movntss */
+ case 0x32b: /* movntsd */
+ if (mod == 3)
+ goto illegal_op;
+ gen_lea_modrm(env, s, modrm);
+ if (b1 & 1) {
+ gen_stq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(0)));
+ gen_op_st_v(s, MO_32, cpu_T0, cpu_A0);
+ }
+ break;
+ case 0x6e: /* movd mm, ea */
+#ifdef TARGET_X86_64
+ if (s->dflag == MO_64) {
+ gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 0);
+ tcg_gen_st_tl(cpu_T0, cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
+ } else
+#endif
+ {
+ gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 0);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
+ offsetof(CPUX86State,fpregs[reg].mmx));
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_movl_mm_T0_mmx(cpu_ptr0, cpu_tmp2_i32);
+ }
+ break;
+ case 0x16e: /* movd xmm, ea */
+#ifdef TARGET_X86_64
+ if (s->dflag == MO_64) {
+ gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 0);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg]));
+ gen_helper_movq_mm_T0_xmm(cpu_ptr0, cpu_T0);
+ } else
+#endif
+ {
+ gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 0);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg]));
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_movl_mm_T0_xmm(cpu_ptr0, cpu_tmp2_i32);
+ }
+ break;
+ case 0x6f: /* movq mm, ea */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, offsetof(CPUX86State, fpregs[reg].mmx));
+ } else {
+ rm = (modrm & 7);
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
+ offsetof(CPUX86State,fpregs[rm].mmx));
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
+ offsetof(CPUX86State,fpregs[reg].mmx));
+ }
+ break;
+ case 0x010: /* movups */
+ case 0x110: /* movupd */
+ case 0x028: /* movaps */
+ case 0x128: /* movapd */
+ case 0x16f: /* movdqa xmm, ea */
+ case 0x26f: /* movdqu xmm, ea */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]),
+ offsetof(CPUX86State,xmm_regs[rm]));
+ }
+ break;
+ case 0x210: /* movss xmm, ea */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, MO_32, cpu_T0, cpu_A0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
+ tcg_gen_movi_tl(cpu_T0, 0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)));
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)));
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)));
+ }
+ break;
+ case 0x310: /* movsd xmm, ea */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ tcg_gen_movi_tl(cpu_T0, 0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)));
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
+ }
+ break;
+ case 0x012: /* movlps */
+ case 0x112: /* movlpd */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ /* movhlps */
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(1)));
+ }
+ break;
+ case 0x212: /* movsldup */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)));
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_L(2)));
+ }
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)));
+ break;
+ case 0x312: /* movddup */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
+ }
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
+ break;
+ case 0x016: /* movhps */
+ case 0x116: /* movhpd */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(1)));
+ } else {
+ /* movlhps */
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
+ }
+ break;
+ case 0x216: /* movshdup */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldo_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_L(1)));
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_L(3)));
+ }
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_L(1)));
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].ZMM_L(2)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_L(3)));
+ break;
+ case 0x178:
+ case 0x378:
+ {
+ int bit_index, field_length;
+
+ if (b1 == 1 && reg != 0)
+ goto illegal_op;
+ field_length = cpu_ldub_code(env, s->pc++) & 0x3F;
+ bit_index = cpu_ldub_code(env, s->pc++) & 0x3F;
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg]));
+ if (b1 == 1)
+ gen_helper_extrq_i(cpu_env, cpu_ptr0,
+ tcg_const_i32(bit_index),
+ tcg_const_i32(field_length));
+ else
+ gen_helper_insertq_i(cpu_env, cpu_ptr0,
+ tcg_const_i32(bit_index),
+ tcg_const_i32(field_length));
+ }
+ break;
+ case 0x7e: /* movd ea, mm */
+#ifdef TARGET_X86_64
+ if (s->dflag == MO_64) {
+ tcg_gen_ld_i64(cpu_T0, cpu_env,
+ offsetof(CPUX86State,fpregs[reg].mmx));
+ gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 1);
+ } else
+#endif
+ {
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
+ gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 1);
+ }
+ break;
+ case 0x17e: /* movd ea, xmm */
+#ifdef TARGET_X86_64
+ if (s->dflag == MO_64) {
+ tcg_gen_ld_i64(cpu_T0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
+ gen_ldst_modrm(env, s, modrm, MO_64, OR_TMP0, 1);
+ } else
+#endif
+ {
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
+ gen_ldst_modrm(env, s, modrm, MO_32, OR_TMP0, 1);
+ }
+ break;
+ case 0x27e: /* movq xmm, ea */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
+ }
+ gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)));
+ break;
+ case 0x7f: /* movq ea, mm */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_stq_env_A0(s, offsetof(CPUX86State, fpregs[reg].mmx));
+ } else {
+ rm = (modrm & 7);
+ gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx),
+ offsetof(CPUX86State,fpregs[reg].mmx));
+ }
+ break;
+ case 0x011: /* movups */
+ case 0x111: /* movupd */
+ case 0x029: /* movaps */
+ case 0x129: /* movapd */
+ case 0x17f: /* movdqa ea, xmm */
+ case 0x27f: /* movdqu ea, xmm */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_sto_env_A0(s, offsetof(CPUX86State, xmm_regs[reg]));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]),
+ offsetof(CPUX86State,xmm_regs[reg]));
+ }
+ break;
+ case 0x211: /* movss ea, xmm */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
+ gen_op_st_v(s, MO_32, cpu_T0, cpu_A0);
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_L(0)));
+ }
+ break;
+ case 0x311: /* movsd ea, xmm */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_stq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
+ }
+ break;
+ case 0x013: /* movlps */
+ case 0x113: /* movlpd */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_stq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ goto illegal_op;
+ }
+ break;
+ case 0x017: /* movhps */
+ case 0x117: /* movhpd */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_stq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(1)));
+ } else {
+ goto illegal_op;
+ }
+ break;
+ case 0x71: /* shift mm, im */
+ case 0x72:
+ case 0x73:
+ case 0x171: /* shift xmm, im */
+ case 0x172:
+ case 0x173:
+ if (b1 >= 2) {
+ goto unknown_op;
+ }
+ val = cpu_ldub_code(env, s->pc++);
+ if (is_xmm) {
+ tcg_gen_movi_tl(cpu_T0, val);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_t0.ZMM_L(0)));
+ tcg_gen_movi_tl(cpu_T0, 0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_t0.ZMM_L(1)));
+ op1_offset = offsetof(CPUX86State,xmm_t0);
+ } else {
+ tcg_gen_movi_tl(cpu_T0, val);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0)));
+ tcg_gen_movi_tl(cpu_T0, 0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1)));
+ op1_offset = offsetof(CPUX86State,mmx_t0);
+ }
+ sse_fn_epp = sse_op_table2[((b - 1) & 3) * 8 +
+ (((modrm >> 3)) & 7)][b1];
+ if (!sse_fn_epp) {
+ goto unknown_op;
+ }
+ if (is_xmm) {
+ rm = (modrm & 7) | REX_B(s);
+ op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
+ } else {
+ rm = (modrm & 7);
+ op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
+ }
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset);
+ sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ case 0x050: /* movmskps */
+ rm = (modrm & 7) | REX_B(s);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[rm]));
+ gen_helper_movmskps(cpu_tmp2_i32, cpu_env, cpu_ptr0);
+ tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
+ break;
+ case 0x150: /* movmskpd */
+ rm = (modrm & 7) | REX_B(s);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[rm]));
+ gen_helper_movmskpd(cpu_tmp2_i32, cpu_env, cpu_ptr0);
+ tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
+ break;
+ case 0x02a: /* cvtpi2ps */
+ case 0x12a: /* cvtpi2pd */
+ gen_helper_enter_mmx(cpu_env);
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ op2_offset = offsetof(CPUX86State,mmx_t0);
+ gen_ldq_env_A0(s, op2_offset);
+ } else {
+ rm = (modrm & 7);
+ op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
+ }
+ op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ switch(b >> 8) {
+ case 0x0:
+ gen_helper_cvtpi2ps(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ default:
+ case 0x1:
+ gen_helper_cvtpi2pd(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ }
+ break;
+ case 0x22a: /* cvtsi2ss */
+ case 0x32a: /* cvtsi2sd */
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ if (ot == MO_32) {
+ SSEFunc_0_epi sse_fn_epi = sse_op_table3ai[(b >> 8) & 1];
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ sse_fn_epi(cpu_env, cpu_ptr0, cpu_tmp2_i32);
+ } else {
+#ifdef TARGET_X86_64
+ SSEFunc_0_epl sse_fn_epl = sse_op_table3aq[(b >> 8) & 1];
+ sse_fn_epl(cpu_env, cpu_ptr0, cpu_T0);
+#else
+ goto illegal_op;
+#endif
+ }
+ break;
+ case 0x02c: /* cvttps2pi */
+ case 0x12c: /* cvttpd2pi */
+ case 0x02d: /* cvtps2pi */
+ case 0x12d: /* cvtpd2pi */
+ gen_helper_enter_mmx(cpu_env);
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ op2_offset = offsetof(CPUX86State,xmm_t0);
+ gen_ldo_env_A0(s, op2_offset);
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
+ }
+ op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ switch(b) {
+ case 0x02c:
+ gen_helper_cvttps2pi(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ case 0x12c:
+ gen_helper_cvttpd2pi(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ case 0x02d:
+ gen_helper_cvtps2pi(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ case 0x12d:
+ gen_helper_cvtpd2pi(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ }
+ break;
+ case 0x22c: /* cvttss2si */
+ case 0x32c: /* cvttsd2si */
+ case 0x22d: /* cvtss2si */
+ case 0x32d: /* cvtsd2si */
+ ot = mo_64_32(s->dflag);
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ if ((b >> 8) & 1) {
+ gen_ldq_env_A0(s, offsetof(CPUX86State, xmm_t0.ZMM_Q(0)));
+ } else {
+ gen_op_ld_v(s, MO_32, cpu_T0, cpu_A0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env, offsetof(CPUX86State,xmm_t0.ZMM_L(0)));
+ }
+ op2_offset = offsetof(CPUX86State,xmm_t0);
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
+ }
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset);
+ if (ot == MO_32) {
+ SSEFunc_i_ep sse_fn_i_ep =
+ sse_op_table3bi[((b >> 7) & 2) | (b & 1)];
+ sse_fn_i_ep(cpu_tmp2_i32, cpu_env, cpu_ptr0);
+ tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
+ } else {
+#ifdef TARGET_X86_64
+ SSEFunc_l_ep sse_fn_l_ep =
+ sse_op_table3bq[((b >> 7) & 2) | (b & 1)];
+ sse_fn_l_ep(cpu_T0, cpu_env, cpu_ptr0);
+#else
+ goto illegal_op;
+#endif
+ }
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+ case 0xc4: /* pinsrw */
+ case 0x1c4:
+ s->rip_offset = 1;
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ val = cpu_ldub_code(env, s->pc++);
+ if (b1) {
+ val &= 7;
+ tcg_gen_st16_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_W(val)));
+ } else {
+ val &= 3;
+ tcg_gen_st16_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val)));
+ }
+ break;
+ case 0xc5: /* pextrw */
+ case 0x1c5:
+ if (mod != 3)
+ goto illegal_op;
+ ot = mo_64_32(s->dflag);
+ val = cpu_ldub_code(env, s->pc++);
+ if (b1) {
+ val &= 7;
+ rm = (modrm & 7) | REX_B(s);
+ tcg_gen_ld16u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_W(val)));
+ } else {
+ val &= 3;
+ rm = (modrm & 7);
+ tcg_gen_ld16u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val)));
+ }
+ reg = ((modrm >> 3) & 7) | rex_r;
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+ case 0x1d6: /* movq ea, xmm */
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_stq_env_A0(s, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(0)));
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)),
+ offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)));
+ gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(1)));
+ }
+ break;
+ case 0x2d6: /* movq2dq */
+ gen_helper_enter_mmx(cpu_env);
+ rm = (modrm & 7);
+ gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(0)),
+ offsetof(CPUX86State,fpregs[rm].mmx));
+ gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].ZMM_Q(1)));
+ break;
+ case 0x3d6: /* movdq2q */
+ gen_helper_enter_mmx(cpu_env);
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
+ offsetof(CPUX86State,xmm_regs[rm].ZMM_Q(0)));
+ break;
+ case 0xd7: /* pmovmskb */
+ case 0x1d7:
+ if (mod != 3)
+ goto illegal_op;
+ if (b1) {
+ rm = (modrm & 7) | REX_B(s);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm]));
+ gen_helper_pmovmskb_xmm(cpu_tmp2_i32, cpu_env, cpu_ptr0);
+ } else {
+ rm = (modrm & 7);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx));
+ gen_helper_pmovmskb_mmx(cpu_tmp2_i32, cpu_env, cpu_ptr0);
+ }
+ reg = ((modrm >> 3) & 7) | rex_r;
+ tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
+ break;
+
+ case 0x138:
+ case 0x038:
+ b = modrm;
+ if ((b & 0xf0) == 0xf0) {
+ goto do_0f_38_fx;
+ }
+ modrm = cpu_ldub_code(env, s->pc++);
+ rm = modrm & 7;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ if (b1 >= 2) {
+ goto unknown_op;
+ }
+
+ sse_fn_epp = sse_op_table6[b].op[b1];
+ if (!sse_fn_epp) {
+ goto unknown_op;
+ }
+ if (!(s->cpuid_ext_features & sse_op_table6[b].ext_mask))
+ goto illegal_op;
+
+ if (b1) {
+ op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
+ if (mod == 3) {
+ op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
+ } else {
+ op2_offset = offsetof(CPUX86State,xmm_t0);
+ gen_lea_modrm(env, s, modrm);
+ switch (b) {
+ case 0x20: case 0x30: /* pmovsxbw, pmovzxbw */
+ case 0x23: case 0x33: /* pmovsxwd, pmovzxwd */
+ case 0x25: case 0x35: /* pmovsxdq, pmovzxdq */
+ gen_ldq_env_A0(s, op2_offset +
+ offsetof(ZMMReg, ZMM_Q(0)));
+ break;
+ case 0x21: case 0x31: /* pmovsxbd, pmovzxbd */
+ case 0x24: case 0x34: /* pmovsxwq, pmovzxwq */
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, op2_offset +
+ offsetof(ZMMReg, ZMM_L(0)));
+ break;
+ case 0x22: case 0x32: /* pmovsxbq, pmovzxbq */
+ tcg_gen_qemu_ld_tl(cpu_tmp0, cpu_A0,
+ s->mem_index, MO_LEUW);
+ tcg_gen_st16_tl(cpu_tmp0, cpu_env, op2_offset +
+ offsetof(ZMMReg, ZMM_W(0)));
+ break;
+ case 0x2a: /* movntqda */
+ gen_ldo_env_A0(s, op1_offset);
+ return;
+ default:
+ gen_ldo_env_A0(s, op2_offset);
+ }
+ }
+ } else {
+ op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
+ if (mod == 3) {
+ op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
+ } else {
+ op2_offset = offsetof(CPUX86State,mmx_t0);
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, op2_offset);
+ }
+ }
+ if (sse_fn_epp == SSE_SPECIAL) {
+ goto unknown_op;
+ }
+
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
+
+ if (b == 0x17) {
+ set_cc_op(s, CC_OP_EFLAGS);
+ }
+ break;
+
+ case 0x238:
+ case 0x338:
+ do_0f_38_fx:
+ /* Various integer extensions at 0f 38 f[0-f]. */
+ b = modrm | (b1 << 8);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ switch (b) {
+ case 0x3f0: /* crc32 Gd,Eb */
+ case 0x3f1: /* crc32 Gd,Ey */
+ do_crc32:
+ if (!(s->cpuid_ext_features & CPUID_EXT_SSE42)) {
+ goto illegal_op;
+ }
+ if ((b & 0xff) == 0xf0) {
+ ot = MO_8;
+ } else if (s->dflag != MO_64) {
+ ot = (s->prefix & PREFIX_DATA ? MO_16 : MO_32);
+ } else {
+ ot = MO_64;
+ }
+
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[reg]);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ gen_helper_crc32(cpu_T0, cpu_tmp2_i32,
+ cpu_T0, tcg_const_i32(8 << ot));
+
+ ot = mo_64_32(s->dflag);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+
+ case 0x1f0: /* crc32 or movbe */
+ case 0x1f1:
+ /* For these insns, the f3 prefix is supposed to have priority
+ over the 66 prefix, but that's not what we implement above
+ setting b1. */
+ if (s->prefix & PREFIX_REPNZ) {
+ goto do_crc32;
+ }
+ /* FALLTHRU */
+ case 0x0f0: /* movbe Gy,My */
+ case 0x0f1: /* movbe My,Gy */
+ if (!(s->cpuid_ext_features & CPUID_EXT_MOVBE)) {
+ goto illegal_op;
+ }
+ if (s->dflag != MO_64) {
+ ot = (s->prefix & PREFIX_DATA ? MO_16 : MO_32);
+ } else {
+ ot = MO_64;
+ }
+
+ gen_lea_modrm(env, s, modrm);
+ if ((b & 1) == 0) {
+ tcg_gen_qemu_ld_tl(cpu_T0, cpu_A0,
+ s->mem_index, ot | MO_BE);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ } else {
+ tcg_gen_qemu_st_tl(cpu_regs[reg], cpu_A0,
+ s->mem_index, ot | MO_BE);
+ }
+ break;
+
+ case 0x0f2: /* andn Gy, By, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ tcg_gen_andc_tl(cpu_T0, cpu_regs[s->vex_v], cpu_T0);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ gen_op_update1_cc();
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ break;
+
+ case 0x0f7: /* bextr Gy, Ey, By */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ {
+ TCGv bound, zero;
+
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ /* Extract START, and shift the operand.
+ Shifts larger than operand size get zeros. */
+ tcg_gen_ext8u_tl(cpu_A0, cpu_regs[s->vex_v]);
+ tcg_gen_shr_tl(cpu_T0, cpu_T0, cpu_A0);
+
+ bound = tcg_const_tl(ot == MO_64 ? 63 : 31);
+ zero = tcg_const_tl(0);
+ tcg_gen_movcond_tl(TCG_COND_LEU, cpu_T0, cpu_A0, bound,
+ cpu_T0, zero);
+ tcg_temp_free(zero);
+
+ /* Extract the LEN into a mask. Lengths larger than
+ operand size get all ones. */
+ tcg_gen_shri_tl(cpu_A0, cpu_regs[s->vex_v], 8);
+ tcg_gen_ext8u_tl(cpu_A0, cpu_A0);
+ tcg_gen_movcond_tl(TCG_COND_LEU, cpu_A0, cpu_A0, bound,
+ cpu_A0, bound);
+ tcg_temp_free(bound);
+ tcg_gen_movi_tl(cpu_T1, 1);
+ tcg_gen_shl_tl(cpu_T1, cpu_T1, cpu_A0);
+ tcg_gen_subi_tl(cpu_T1, cpu_T1, 1);
+ tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_T1);
+
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ gen_op_update1_cc();
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ }
+ break;
+
+ case 0x0f5: /* bzhi Gy, Ey, By */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ tcg_gen_ext8u_tl(cpu_T1, cpu_regs[s->vex_v]);
+ {
+ TCGv bound = tcg_const_tl(ot == MO_64 ? 63 : 31);
+ /* Note that since we're using BMILG (in order to get O
+ cleared) we need to store the inverse into C. */
+ tcg_gen_setcond_tl(TCG_COND_LT, cpu_cc_src,
+ cpu_T1, bound);
+ tcg_gen_movcond_tl(TCG_COND_GT, cpu_T1, cpu_T1,
+ bound, bound, cpu_T1);
+ tcg_temp_free(bound);
+ }
+ tcg_gen_movi_tl(cpu_A0, -1);
+ tcg_gen_shl_tl(cpu_A0, cpu_A0, cpu_T1);
+ tcg_gen_andc_tl(cpu_T0, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ gen_op_update1_cc();
+ set_cc_op(s, CC_OP_BMILGB + ot);
+ break;
+
+ case 0x3f6: /* mulx By, Gy, rdx, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ switch (ot) {
+ default:
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_regs[R_EDX]);
+ tcg_gen_mulu2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
+ cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[s->vex_v], cpu_tmp2_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp3_i32);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ tcg_gen_mulu2_i64(cpu_T0, cpu_T1,
+ cpu_T0, cpu_regs[R_EDX]);
+ tcg_gen_mov_i64(cpu_regs[s->vex_v], cpu_T0);
+ tcg_gen_mov_i64(cpu_regs[reg], cpu_T1);
+ break;
+#endif
+ }
+ break;
+
+ case 0x3f5: /* pdep Gy, By, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ /* Note that by zero-extending the mask operand, we
+ automatically handle zero-extending the result. */
+ if (ot == MO_64) {
+ tcg_gen_mov_tl(cpu_T1, cpu_regs[s->vex_v]);
+ } else {
+ tcg_gen_ext32u_tl(cpu_T1, cpu_regs[s->vex_v]);
+ }
+ gen_helper_pdep(cpu_regs[reg], cpu_T0, cpu_T1);
+ break;
+
+ case 0x2f5: /* pext Gy, By, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ /* Note that by zero-extending the mask operand, we
+ automatically handle zero-extending the result. */
+ if (ot == MO_64) {
+ tcg_gen_mov_tl(cpu_T1, cpu_regs[s->vex_v]);
+ } else {
+ tcg_gen_ext32u_tl(cpu_T1, cpu_regs[s->vex_v]);
+ }
+ gen_helper_pext(cpu_regs[reg], cpu_T0, cpu_T1);
+ break;
+
+ case 0x1f6: /* adcx Gy, Ey */
+ case 0x2f6: /* adox Gy, Ey */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_ADX)) {
+ goto illegal_op;
+ } else {
+ TCGv carry_in, carry_out, zero;
+ int end_op;
+
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+
+ /* Re-use the carry-out from a previous round. */
+ TCGV_UNUSED(carry_in);
+ carry_out = (b == 0x1f6 ? cpu_cc_dst : cpu_cc_src2);
+ switch (s->cc_op) {
+ case CC_OP_ADCX:
+ if (b == 0x1f6) {
+ carry_in = cpu_cc_dst;
+ end_op = CC_OP_ADCX;
+ } else {
+ end_op = CC_OP_ADCOX;
+ }
+ break;
+ case CC_OP_ADOX:
+ if (b == 0x1f6) {
+ end_op = CC_OP_ADCOX;
+ } else {
+ carry_in = cpu_cc_src2;
+ end_op = CC_OP_ADOX;
+ }
+ break;
+ case CC_OP_ADCOX:
+ end_op = CC_OP_ADCOX;
+ carry_in = carry_out;
+ break;
+ default:
+ end_op = (b == 0x1f6 ? CC_OP_ADCX : CC_OP_ADOX);
+ break;
+ }
+ /* If we can't reuse carry-out, get it out of EFLAGS. */
+ if (TCGV_IS_UNUSED(carry_in)) {
+ if (s->cc_op != CC_OP_ADCX && s->cc_op != CC_OP_ADOX) {
+ gen_compute_eflags(s);
+ }
+ carry_in = cpu_tmp0;
+ tcg_gen_shri_tl(carry_in, cpu_cc_src,
+ ctz32(b == 0x1f6 ? CC_C : CC_O));
+ tcg_gen_andi_tl(carry_in, carry_in, 1);
+ }
+
+ switch (ot) {
+#ifdef TARGET_X86_64
+ case MO_32:
+ /* If we know TL is 64-bit, and we want a 32-bit
+ result, just do everything in 64-bit arithmetic. */
+ tcg_gen_ext32u_i64(cpu_regs[reg], cpu_regs[reg]);
+ tcg_gen_ext32u_i64(cpu_T0, cpu_T0);
+ tcg_gen_add_i64(cpu_T0, cpu_T0, cpu_regs[reg]);
+ tcg_gen_add_i64(cpu_T0, cpu_T0, carry_in);
+ tcg_gen_ext32u_i64(cpu_regs[reg], cpu_T0);
+ tcg_gen_shri_i64(carry_out, cpu_T0, 32);
+ break;
+#endif
+ default:
+ /* Otherwise compute the carry-out in two steps. */
+ zero = tcg_const_tl(0);
+ tcg_gen_add2_tl(cpu_T0, carry_out,
+ cpu_T0, zero,
+ carry_in, zero);
+ tcg_gen_add2_tl(cpu_regs[reg], carry_out,
+ cpu_regs[reg], carry_out,
+ cpu_T0, zero);
+ tcg_temp_free(zero);
+ break;
+ }
+ set_cc_op(s, end_op);
+ }
+ break;
+
+ case 0x1f7: /* shlx Gy, Ey, By */
+ case 0x2f7: /* sarx Gy, Ey, By */
+ case 0x3f7: /* shrx Gy, Ey, By */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ if (ot == MO_64) {
+ tcg_gen_andi_tl(cpu_T1, cpu_regs[s->vex_v], 63);
+ } else {
+ tcg_gen_andi_tl(cpu_T1, cpu_regs[s->vex_v], 31);
+ }
+ if (b == 0x1f7) {
+ tcg_gen_shl_tl(cpu_T0, cpu_T0, cpu_T1);
+ } else if (b == 0x2f7) {
+ if (ot != MO_64) {
+ tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
+ }
+ tcg_gen_sar_tl(cpu_T0, cpu_T0, cpu_T1);
+ } else {
+ if (ot != MO_64) {
+ tcg_gen_ext32u_tl(cpu_T0, cpu_T0);
+ }
+ tcg_gen_shr_tl(cpu_T0, cpu_T0, cpu_T1);
+ }
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+
+ case 0x0f3:
+ case 0x1f3:
+ case 0x2f3:
+ case 0x3f3: /* Group 17 */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+
+ switch (reg & 7) {
+ case 1: /* blsr By,Ey */
+ tcg_gen_neg_tl(cpu_T1, cpu_T0);
+ tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_mov_reg_v(ot, s->vex_v, cpu_T0);
+ gen_op_update2_cc();
+ set_cc_op(s, CC_OP_BMILGB + ot);
+ break;
+
+ case 2: /* blsmsk By,Ey */
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
+ tcg_gen_subi_tl(cpu_T0, cpu_T0, 1);
+ tcg_gen_xor_tl(cpu_T0, cpu_T0, cpu_cc_src);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ set_cc_op(s, CC_OP_BMILGB + ot);
+ break;
+
+ case 3: /* blsi By, Ey */
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
+ tcg_gen_subi_tl(cpu_T0, cpu_T0, 1);
+ tcg_gen_and_tl(cpu_T0, cpu_T0, cpu_cc_src);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ set_cc_op(s, CC_OP_BMILGB + ot);
+ break;
+
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ case 0x03a:
+ case 0x13a:
+ b = modrm;
+ modrm = cpu_ldub_code(env, s->pc++);
+ rm = modrm & 7;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ if (b1 >= 2) {
+ goto unknown_op;
+ }
+
+ sse_fn_eppi = sse_op_table7[b].op[b1];
+ if (!sse_fn_eppi) {
+ goto unknown_op;
+ }
+ if (!(s->cpuid_ext_features & sse_op_table7[b].ext_mask))
+ goto illegal_op;
+
+ if (sse_fn_eppi == SSE_SPECIAL) {
+ ot = mo_64_32(s->dflag);
+ rm = (modrm & 7) | REX_B(s);
+ if (mod != 3)
+ gen_lea_modrm(env, s, modrm);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ val = cpu_ldub_code(env, s->pc++);
+ switch (b) {
+ case 0x14: /* pextrb */
+ tcg_gen_ld8u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_B(val & 15)));
+ if (mod == 3) {
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ } else {
+ tcg_gen_qemu_st_tl(cpu_T0, cpu_A0,
+ s->mem_index, MO_UB);
+ }
+ break;
+ case 0x15: /* pextrw */
+ tcg_gen_ld16u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_W(val & 7)));
+ if (mod == 3) {
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ } else {
+ tcg_gen_qemu_st_tl(cpu_T0, cpu_A0,
+ s->mem_index, MO_LEUW);
+ }
+ break;
+ case 0x16:
+ if (ot == MO_32) { /* pextrd */
+ tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env,
+ offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(val & 3)));
+ if (mod == 3) {
+ tcg_gen_extu_i32_tl(cpu_regs[rm], cpu_tmp2_i32);
+ } else {
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ }
+ } else { /* pextrq */
+#ifdef TARGET_X86_64
+ tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env,
+ offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(val & 1)));
+ if (mod == 3) {
+ tcg_gen_mov_i64(cpu_regs[rm], cpu_tmp1_i64);
+ } else {
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0,
+ s->mem_index, MO_LEQ);
+ }
+#else
+ goto illegal_op;
+#endif
+ }
+ break;
+ case 0x17: /* extractps */
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(val & 3)));
+ if (mod == 3) {
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ } else {
+ tcg_gen_qemu_st_tl(cpu_T0, cpu_A0,
+ s->mem_index, MO_LEUL);
+ }
+ break;
+ case 0x20: /* pinsrb */
+ if (mod == 3) {
+ gen_op_mov_v_reg(MO_32, cpu_T0, rm);
+ } else {
+ tcg_gen_qemu_ld_tl(cpu_T0, cpu_A0,
+ s->mem_index, MO_UB);
+ }
+ tcg_gen_st8_tl(cpu_T0, cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_B(val & 15)));
+ break;
+ case 0x21: /* insertps */
+ if (mod == 3) {
+ tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env,
+ offsetof(CPUX86State,xmm_regs[rm]
+ .ZMM_L((val >> 6) & 3)));
+ } else {
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ }
+ tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
+ offsetof(CPUX86State,xmm_regs[reg]
+ .ZMM_L((val >> 4) & 3)));
+ if ((val >> 0) & 1)
+ tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
+ cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(0)));
+ if ((val >> 1) & 1)
+ tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
+ cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(1)));
+ if ((val >> 2) & 1)
+ tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
+ cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(2)));
+ if ((val >> 3) & 1)
+ tcg_gen_st_i32(tcg_const_i32(0 /*float32_zero*/),
+ cpu_env, offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(3)));
+ break;
+ case 0x22:
+ if (ot == MO_32) { /* pinsrd */
+ if (mod == 3) {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[rm]);
+ } else {
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ }
+ tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
+ offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_L(val & 3)));
+ } else { /* pinsrq */
+#ifdef TARGET_X86_64
+ if (mod == 3) {
+ gen_op_mov_v_reg(ot, cpu_tmp1_i64, rm);
+ } else {
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0,
+ s->mem_index, MO_LEQ);
+ }
+ tcg_gen_st_i64(cpu_tmp1_i64, cpu_env,
+ offsetof(CPUX86State,
+ xmm_regs[reg].ZMM_Q(val & 1)));
+#else
+ goto illegal_op;
+#endif
+ }
+ break;
+ }
+ return;
+ }
+
+ if (b1) {
+ op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
+ if (mod == 3) {
+ op2_offset = offsetof(CPUX86State,xmm_regs[rm | REX_B(s)]);
+ } else {
+ op2_offset = offsetof(CPUX86State,xmm_t0);
+ gen_lea_modrm(env, s, modrm);
+ gen_ldo_env_A0(s, op2_offset);
+ }
+ } else {
+ op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
+ if (mod == 3) {
+ op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
+ } else {
+ op2_offset = offsetof(CPUX86State,mmx_t0);
+ gen_lea_modrm(env, s, modrm);
+ gen_ldq_env_A0(s, op2_offset);
+ }
+ }
+ val = cpu_ldub_code(env, s->pc++);
+
+ if ((b & 0xfc) == 0x60) { /* pcmpXstrX */
+ set_cc_op(s, CC_OP_EFLAGS);
+
+ if (s->dflag == MO_64) {
+ /* The helper must use entire 64-bit gp registers */
+ val |= 1 << 8;
+ }
+ }
+
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ sse_fn_eppi(cpu_env, cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
+ break;
+
+ case 0x33a:
+ /* Various integer extensions at 0f 3a f[0-f]. */
+ b = modrm | (b1 << 8);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ switch (b) {
+ case 0x3f0: /* rorx Gy,Ey, Ib */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI2)
+ || !(s->prefix & PREFIX_VEX)
+ || s->vex_l != 0) {
+ goto illegal_op;
+ }
+ ot = mo_64_32(s->dflag);
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ b = cpu_ldub_code(env, s->pc++);
+ if (ot == MO_64) {
+ tcg_gen_rotri_tl(cpu_T0, cpu_T0, b & 63);
+ } else {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_rotri_i32(cpu_tmp2_i32, cpu_tmp2_i32, b & 31);
+ tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
+ }
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ default:
+ unknown_op:
+ gen_unknown_opcode(env, s);
+ return;
+ }
+ } else {
+ /* generic MMX or SSE operation */
+ switch(b) {
+ case 0x70: /* pshufx insn */
+ case 0xc6: /* pshufx insn */
+ case 0xc2: /* compare insns */
+ s->rip_offset = 1;
+ break;
+ default:
+ break;
+ }
+ if (is_xmm) {
+ op1_offset = offsetof(CPUX86State,xmm_regs[reg]);
+ if (mod != 3) {
+ int sz = 4;
+
+ gen_lea_modrm(env, s, modrm);
+ op2_offset = offsetof(CPUX86State,xmm_t0);
+
+ switch (b) {
+ case 0x50 ... 0x5a:
+ case 0x5c ... 0x5f:
+ case 0xc2:
+ /* Most sse scalar operations. */
+ if (b1 == 2) {
+ sz = 2;
+ } else if (b1 == 3) {
+ sz = 3;
+ }
+ break;
+
+ case 0x2e: /* ucomis[sd] */
+ case 0x2f: /* comis[sd] */
+ if (b1 == 0) {
+ sz = 2;
+ } else {
+ sz = 3;
+ }
+ break;
+ }
+
+ switch (sz) {
+ case 2:
+ /* 32 bit access */
+ gen_op_ld_v(s, MO_32, cpu_T0, cpu_A0);
+ tcg_gen_st32_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State,xmm_t0.ZMM_L(0)));
+ break;
+ case 3:
+ /* 64 bit access */
+ gen_ldq_env_A0(s, offsetof(CPUX86State, xmm_t0.ZMM_D(0)));
+ break;
+ default:
+ /* 128 bit access */
+ gen_ldo_env_A0(s, op2_offset);
+ break;
+ }
+ } else {
+ rm = (modrm & 7) | REX_B(s);
+ op2_offset = offsetof(CPUX86State,xmm_regs[rm]);
+ }
+ } else {
+ op1_offset = offsetof(CPUX86State,fpregs[reg].mmx);
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ op2_offset = offsetof(CPUX86State,mmx_t0);
+ gen_ldq_env_A0(s, op2_offset);
+ } else {
+ rm = (modrm & 7);
+ op2_offset = offsetof(CPUX86State,fpregs[rm].mmx);
+ }
+ }
+ switch(b) {
+ case 0x0f: /* 3DNow! data insns */
+ val = cpu_ldub_code(env, s->pc++);
+ sse_fn_epp = sse_op_table5[val];
+ if (!sse_fn_epp) {
+ goto unknown_op;
+ }
+ if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW)) {
+ goto illegal_op;
+ }
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ case 0x70: /* pshufx insn */
+ case 0xc6: /* pshufx insn */
+ val = cpu_ldub_code(env, s->pc++);
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ /* XXX: introduce a new table? */
+ sse_fn_ppi = (SSEFunc_0_ppi)sse_fn_epp;
+ sse_fn_ppi(cpu_ptr0, cpu_ptr1, tcg_const_i32(val));
+ break;
+ case 0xc2:
+ /* compare insns */
+ val = cpu_ldub_code(env, s->pc++);
+ if (val >= 8)
+ goto unknown_op;
+ sse_fn_epp = sse_op_table4[val][b1];
+
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ case 0xf7:
+ /* maskmov : we must prepare A0 */
+ if (mod != 3)
+ goto illegal_op;
+ tcg_gen_mov_tl(cpu_A0, cpu_regs[R_EDI]);
+ gen_extu(s->aflag, cpu_A0);
+ gen_add_A0_ds_seg(s);
+
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ /* XXX: introduce a new table? */
+ sse_fn_eppt = (SSEFunc_0_eppt)sse_fn_epp;
+ sse_fn_eppt(cpu_env, cpu_ptr0, cpu_ptr1, cpu_A0);
+ break;
+ default:
+ tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset);
+ tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset);
+ sse_fn_epp(cpu_env, cpu_ptr0, cpu_ptr1);
+ break;
+ }
+ if (b == 0x2e || b == 0x2f) {
+ set_cc_op(s, CC_OP_EFLAGS);
+ }
+ }
+}
+
+/* convert one instruction. s->is_jmp is set if the translation must
+ be stopped. Return the next pc value */
+static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
+ target_ulong pc_start)
+{
+ int b, prefixes;
+ int shift;
+ TCGMemOp ot, aflag, dflag;
+ int modrm, reg, rm, mod, op, opreg, val;
+ target_ulong next_eip, tval;
+ int rex_w, rex_r;
+
+ s->pc_start = s->pc = pc_start;
+ prefixes = 0;
+ s->override = -1;
+ rex_w = -1;
+ rex_r = 0;
+#ifdef TARGET_X86_64
+ s->rex_x = 0;
+ s->rex_b = 0;
+ x86_64_hregs = 0;
+#endif
+ s->rip_offset = 0; /* for relative ip address */
+ s->vex_l = 0;
+ s->vex_v = 0;
+ next_byte:
+ b = cpu_ldub_code(env, s->pc);
+ s->pc++;
+ /* Collect prefixes. */
+ switch (b) {
+ case 0xf3:
+ prefixes |= PREFIX_REPZ;
+ goto next_byte;
+ case 0xf2:
+ prefixes |= PREFIX_REPNZ;
+ goto next_byte;
+ case 0xf0:
+ prefixes |= PREFIX_LOCK;
+ goto next_byte;
+ case 0x2e:
+ s->override = R_CS;
+ goto next_byte;
+ case 0x36:
+ s->override = R_SS;
+ goto next_byte;
+ case 0x3e:
+ s->override = R_DS;
+ goto next_byte;
+ case 0x26:
+ s->override = R_ES;
+ goto next_byte;
+ case 0x64:
+ s->override = R_FS;
+ goto next_byte;
+ case 0x65:
+ s->override = R_GS;
+ goto next_byte;
+ case 0x66:
+ prefixes |= PREFIX_DATA;
+ goto next_byte;
+ case 0x67:
+ prefixes |= PREFIX_ADR;
+ goto next_byte;
+#ifdef TARGET_X86_64
+ case 0x40 ... 0x4f:
+ if (CODE64(s)) {
+ /* REX prefix */
+ rex_w = (b >> 3) & 1;
+ rex_r = (b & 0x4) << 1;
+ s->rex_x = (b & 0x2) << 2;
+ REX_B(s) = (b & 0x1) << 3;
+ x86_64_hregs = 1; /* select uniform byte register addressing */
+ goto next_byte;
+ }
+ break;
+#endif
+ case 0xc5: /* 2-byte VEX */
+ case 0xc4: /* 3-byte VEX */
+ /* VEX prefixes cannot be used except in 32-bit mode.
+ Otherwise the instruction is LES or LDS. */
+ if (s->code32 && !s->vm86) {
+ static const int pp_prefix[4] = {
+ 0, PREFIX_DATA, PREFIX_REPZ, PREFIX_REPNZ
+ };
+ int vex3, vex2 = cpu_ldub_code(env, s->pc);
+
+ if (!CODE64(s) && (vex2 & 0xc0) != 0xc0) {
+ /* 4.1.4.6: In 32-bit mode, bits [7:6] must be 11b,
+ otherwise the instruction is LES or LDS. */
+ break;
+ }
+ s->pc++;
+
+ /* 4.1.1-4.1.3: No preceding lock, 66, f2, f3, or rex prefixes. */
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ
+ | PREFIX_LOCK | PREFIX_DATA)) {
+ goto illegal_op;
+ }
+#ifdef TARGET_X86_64
+ if (x86_64_hregs) {
+ goto illegal_op;
+ }
+#endif
+ rex_r = (~vex2 >> 4) & 8;
+ if (b == 0xc5) {
+ vex3 = vex2;
+ b = cpu_ldub_code(env, s->pc++);
+ } else {
+#ifdef TARGET_X86_64
+ s->rex_x = (~vex2 >> 3) & 8;
+ s->rex_b = (~vex2 >> 2) & 8;
+#endif
+ vex3 = cpu_ldub_code(env, s->pc++);
+ rex_w = (vex3 >> 7) & 1;
+ switch (vex2 & 0x1f) {
+ case 0x01: /* Implied 0f leading opcode bytes. */
+ b = cpu_ldub_code(env, s->pc++) | 0x100;
+ break;
+ case 0x02: /* Implied 0f 38 leading opcode bytes. */
+ b = 0x138;
+ break;
+ case 0x03: /* Implied 0f 3a leading opcode bytes. */
+ b = 0x13a;
+ break;
+ default: /* Reserved for future use. */
+ goto unknown_op;
+ }
+ }
+ s->vex_v = (~vex3 >> 3) & 0xf;
+ s->vex_l = (vex3 >> 2) & 1;
+ prefixes |= pp_prefix[vex3 & 3] | PREFIX_VEX;
+ }
+ break;
+ }
+
+ /* Post-process prefixes. */
+ if (CODE64(s)) {
+ /* In 64-bit mode, the default data size is 32-bit. Select 64-bit
+ data with rex_w, and 16-bit data with 0x66; rex_w takes precedence
+ over 0x66 if both are present. */
+ dflag = (rex_w > 0 ? MO_64 : prefixes & PREFIX_DATA ? MO_16 : MO_32);
+ /* In 64-bit mode, 0x67 selects 32-bit addressing. */
+ aflag = (prefixes & PREFIX_ADR ? MO_32 : MO_64);
+ } else {
+ /* In 16/32-bit mode, 0x66 selects the opposite data size. */
+ if (s->code32 ^ ((prefixes & PREFIX_DATA) != 0)) {
+ dflag = MO_32;
+ } else {
+ dflag = MO_16;
+ }
+ /* In 16/32-bit mode, 0x67 selects the opposite addressing. */
+ if (s->code32 ^ ((prefixes & PREFIX_ADR) != 0)) {
+ aflag = MO_32;
+ } else {
+ aflag = MO_16;
+ }
+ }
+
+ s->prefix = prefixes;
+ s->aflag = aflag;
+ s->dflag = dflag;
+
+ /* now check op code */
+ reswitch:
+ switch(b) {
+ case 0x0f:
+ /**************************/
+ /* extended op code */
+ b = cpu_ldub_code(env, s->pc++) | 0x100;
+ goto reswitch;
+
+ /**************************/
+ /* arith & logic */
+ case 0x00 ... 0x05:
+ case 0x08 ... 0x0d:
+ case 0x10 ... 0x15:
+ case 0x18 ... 0x1d:
+ case 0x20 ... 0x25:
+ case 0x28 ... 0x2d:
+ case 0x30 ... 0x35:
+ case 0x38 ... 0x3d:
+ {
+ int op, f, val;
+ op = (b >> 3) & 7;
+ f = (b >> 1) & 3;
+
+ ot = mo_b_d(b, dflag);
+
+ switch(f) {
+ case 0: /* OP Ev, Gv */
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ opreg = OR_TMP0;
+ } else if (op == OP_XORL && rm == reg) {
+ xor_zero:
+ /* xor reg, reg optimisation */
+ set_cc_op(s, CC_OP_CLR);
+ tcg_gen_movi_tl(cpu_T0, 0);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+ } else {
+ opreg = rm;
+ }
+ gen_op_mov_v_reg(ot, cpu_T1, reg);
+ gen_op(s, op, ot, opreg);
+ break;
+ case 1: /* OP Gv, Ev */
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ rm = (modrm & 7) | REX_B(s);
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ } else if (op == OP_XORL && rm == reg) {
+ goto xor_zero;
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T1, rm);
+ }
+ gen_op(s, op, ot, reg);
+ break;
+ case 2: /* OP A, Iv */
+ val = insn_get(env, s, ot);
+ tcg_gen_movi_tl(cpu_T1, val);
+ gen_op(s, op, ot, OR_EAX);
+ break;
+ }
+ }
+ break;
+
+ case 0x82:
+ if (CODE64(s))
+ goto illegal_op;
+ case 0x80: /* GRP1 */
+ case 0x81:
+ case 0x83:
+ {
+ int val;
+
+ ot = mo_b_d(b, dflag);
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ op = (modrm >> 3) & 7;
+
+ if (mod != 3) {
+ if (b == 0x83)
+ s->rip_offset = 1;
+ else
+ s->rip_offset = insn_const_size(ot);
+ gen_lea_modrm(env, s, modrm);
+ opreg = OR_TMP0;
+ } else {
+ opreg = rm;
+ }
+
+ switch(b) {
+ default:
+ case 0x80:
+ case 0x81:
+ case 0x82:
+ val = insn_get(env, s, ot);
+ break;
+ case 0x83:
+ val = (int8_t)insn_get(env, s, MO_8);
+ break;
+ }
+ tcg_gen_movi_tl(cpu_T1, val);
+ gen_op(s, op, ot, opreg);
+ }
+ break;
+
+ /**************************/
+ /* inc, dec, and other misc arith */
+ case 0x40 ... 0x47: /* inc Gv */
+ ot = dflag;
+ gen_inc(s, ot, OR_EAX + (b & 7), 1);
+ break;
+ case 0x48 ... 0x4f: /* dec Gv */
+ ot = dflag;
+ gen_inc(s, ot, OR_EAX + (b & 7), -1);
+ break;
+ case 0xf6: /* GRP3 */
+ case 0xf7:
+ ot = mo_b_d(b, dflag);
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ op = (modrm >> 3) & 7;
+ if (mod != 3) {
+ if (op == 0) {
+ s->rip_offset = insn_const_size(ot);
+ }
+ gen_lea_modrm(env, s, modrm);
+ /* For those below that handle locked memory, don't load here. */
+ if (!(s->prefix & PREFIX_LOCK)
+ || op != 2) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ }
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ }
+
+ switch(op) {
+ case 0: /* test */
+ val = insn_get(env, s, ot);
+ tcg_gen_movi_tl(cpu_T1, val);
+ gen_op_testl_T0_T1_cc();
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ break;
+ case 2: /* not */
+ if (s->prefix & PREFIX_LOCK) {
+ if (mod == 3) {
+ goto illegal_op;
+ }
+ tcg_gen_movi_tl(cpu_T0, ~0);
+ tcg_gen_atomic_xor_fetch_tl(cpu_T0, cpu_A0, cpu_T0,
+ s->mem_index, ot | MO_LE);
+ } else {
+ tcg_gen_not_tl(cpu_T0, cpu_T0);
+ if (mod != 3) {
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ }
+ }
+ break;
+ case 3: /* neg */
+ if (s->prefix & PREFIX_LOCK) {
+ TCGLabel *label1;
+ TCGv a0, t0, t1, t2;
+
+ if (mod == 3) {
+ goto illegal_op;
+ }
+ a0 = tcg_temp_local_new();
+ t0 = tcg_temp_local_new();
+ label1 = gen_new_label();
+
+ tcg_gen_mov_tl(a0, cpu_A0);
+ tcg_gen_mov_tl(t0, cpu_T0);
+
+ gen_set_label(label1);
+ t1 = tcg_temp_new();
+ t2 = tcg_temp_new();
+ tcg_gen_mov_tl(t2, t0);
+ tcg_gen_neg_tl(t1, t0);
+ tcg_gen_atomic_cmpxchg_tl(t0, a0, t0, t1,
+ s->mem_index, ot | MO_LE);
+ tcg_temp_free(t1);
+ tcg_gen_brcond_tl(TCG_COND_NE, t0, t2, label1);
+
+ tcg_temp_free(t2);
+ tcg_temp_free(a0);
+ tcg_gen_mov_tl(cpu_T0, t0);
+ tcg_temp_free(t0);
+ } else {
+ tcg_gen_neg_tl(cpu_T0, cpu_T0);
+ if (mod != 3) {
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ }
+ }
+ gen_op_update_neg_cc();
+ set_cc_op(s, CC_OP_SUBB + ot);
+ break;
+ case 4: /* mul */
+ switch(ot) {
+ case MO_8:
+ gen_op_mov_v_reg(MO_8, cpu_T1, R_EAX);
+ tcg_gen_ext8u_tl(cpu_T0, cpu_T0);
+ tcg_gen_ext8u_tl(cpu_T1, cpu_T1);
+ /* XXX: use 32 bit mul which could be faster */
+ tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ tcg_gen_andi_tl(cpu_cc_src, cpu_T0, 0xff00);
+ set_cc_op(s, CC_OP_MULB);
+ break;
+ case MO_16:
+ gen_op_mov_v_reg(MO_16, cpu_T1, R_EAX);
+ tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
+ tcg_gen_ext16u_tl(cpu_T1, cpu_T1);
+ /* XXX: use 32 bit mul which could be faster */
+ tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ tcg_gen_shri_tl(cpu_T0, cpu_T0, 16);
+ gen_op_mov_reg_v(MO_16, R_EDX, cpu_T0);
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
+ set_cc_op(s, CC_OP_MULW);
+ break;
+ default:
+ case MO_32:
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_regs[R_EAX]);
+ tcg_gen_mulu2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
+ cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[R_EAX], cpu_tmp2_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[R_EDX], cpu_tmp3_i32);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
+ tcg_gen_mov_tl(cpu_cc_src, cpu_regs[R_EDX]);
+ set_cc_op(s, CC_OP_MULL);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ tcg_gen_mulu2_i64(cpu_regs[R_EAX], cpu_regs[R_EDX],
+ cpu_T0, cpu_regs[R_EAX]);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
+ tcg_gen_mov_tl(cpu_cc_src, cpu_regs[R_EDX]);
+ set_cc_op(s, CC_OP_MULQ);
+ break;
+#endif
+ }
+ break;
+ case 5: /* imul */
+ switch(ot) {
+ case MO_8:
+ gen_op_mov_v_reg(MO_8, cpu_T1, R_EAX);
+ tcg_gen_ext8s_tl(cpu_T0, cpu_T0);
+ tcg_gen_ext8s_tl(cpu_T1, cpu_T1);
+ /* XXX: use 32 bit mul which could be faster */
+ tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ tcg_gen_ext8s_tl(cpu_tmp0, cpu_T0);
+ tcg_gen_sub_tl(cpu_cc_src, cpu_T0, cpu_tmp0);
+ set_cc_op(s, CC_OP_MULB);
+ break;
+ case MO_16:
+ gen_op_mov_v_reg(MO_16, cpu_T1, R_EAX);
+ tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
+ tcg_gen_ext16s_tl(cpu_T1, cpu_T1);
+ /* XXX: use 32 bit mul which could be faster */
+ tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ tcg_gen_ext16s_tl(cpu_tmp0, cpu_T0);
+ tcg_gen_sub_tl(cpu_cc_src, cpu_T0, cpu_tmp0);
+ tcg_gen_shri_tl(cpu_T0, cpu_T0, 16);
+ gen_op_mov_reg_v(MO_16, R_EDX, cpu_T0);
+ set_cc_op(s, CC_OP_MULW);
+ break;
+ default:
+ case MO_32:
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_regs[R_EAX]);
+ tcg_gen_muls2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
+ cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[R_EAX], cpu_tmp2_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[R_EDX], cpu_tmp3_i32);
+ tcg_gen_sari_i32(cpu_tmp2_i32, cpu_tmp2_i32, 31);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
+ tcg_gen_sub_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_gen_extu_i32_tl(cpu_cc_src, cpu_tmp2_i32);
+ set_cc_op(s, CC_OP_MULL);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ tcg_gen_muls2_i64(cpu_regs[R_EAX], cpu_regs[R_EDX],
+ cpu_T0, cpu_regs[R_EAX]);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[R_EAX]);
+ tcg_gen_sari_tl(cpu_cc_src, cpu_regs[R_EAX], 63);
+ tcg_gen_sub_tl(cpu_cc_src, cpu_cc_src, cpu_regs[R_EDX]);
+ set_cc_op(s, CC_OP_MULQ);
+ break;
+#endif
+ }
+ break;
+ case 6: /* div */
+ switch(ot) {
+ case MO_8:
+ gen_helper_divb_AL(cpu_env, cpu_T0);
+ break;
+ case MO_16:
+ gen_helper_divw_AX(cpu_env, cpu_T0);
+ break;
+ default:
+ case MO_32:
+ gen_helper_divl_EAX(cpu_env, cpu_T0);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ gen_helper_divq_EAX(cpu_env, cpu_T0);
+ break;
+#endif
+ }
+ break;
+ case 7: /* idiv */
+ switch(ot) {
+ case MO_8:
+ gen_helper_idivb_AL(cpu_env, cpu_T0);
+ break;
+ case MO_16:
+ gen_helper_idivw_AX(cpu_env, cpu_T0);
+ break;
+ default:
+ case MO_32:
+ gen_helper_idivl_EAX(cpu_env, cpu_T0);
+ break;
+#ifdef TARGET_X86_64
+ case MO_64:
+ gen_helper_idivq_EAX(cpu_env, cpu_T0);
+ break;
+#endif
+ }
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ case 0xfe: /* GRP4 */
+ case 0xff: /* GRP5 */
+ ot = mo_b_d(b, dflag);
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ op = (modrm >> 3) & 7;
+ if (op >= 2 && b == 0xfe) {
+ goto unknown_op;
+ }
+ if (CODE64(s)) {
+ if (op == 2 || op == 4) {
+ /* operand size for jumps is 64 bit */
+ ot = MO_64;
+ } else if (op == 3 || op == 5) {
+ ot = dflag != MO_16 ? MO_32 + (rex_w == 1) : MO_16;
+ } else if (op == 6) {
+ /* default push size is 64 bit */
+ ot = mo_pushpop(s, dflag);
+ }
+ }
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ if (op >= 2 && op != 3 && op != 5)
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ }
+
+ switch(op) {
+ case 0: /* inc Ev */
+ if (mod != 3)
+ opreg = OR_TMP0;
+ else
+ opreg = rm;
+ gen_inc(s, ot, opreg, 1);
+ break;
+ case 1: /* dec Ev */
+ if (mod != 3)
+ opreg = OR_TMP0;
+ else
+ opreg = rm;
+ gen_inc(s, ot, opreg, -1);
+ break;
+ case 2: /* call Ev */
+ /* XXX: optimize if memory (no 'and' is necessary) */
+ if (dflag == MO_16) {
+ tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
+ }
+ next_eip = s->pc - s->cs_base;
+ tcg_gen_movi_tl(cpu_T1, next_eip);
+ gen_push_v(s, cpu_T1);
+ gen_op_jmp_v(cpu_T0);
+ gen_bnd_jmp(s);
+ gen_eob(s);
+ break;
+ case 3: /* lcall Ev */
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ gen_add_A0_im(s, 1 << ot);
+ gen_op_ld_v(s, MO_16, cpu_T0, cpu_A0);
+ do_lcall:
+ if (s->pe && !s->vm86) {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_lcall_protected(cpu_env, cpu_tmp2_i32, cpu_T1,
+ tcg_const_i32(dflag - 1),
+ tcg_const_tl(s->pc - s->cs_base));
+ } else {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_lcall_real(cpu_env, cpu_tmp2_i32, cpu_T1,
+ tcg_const_i32(dflag - 1),
+ tcg_const_i32(s->pc - s->cs_base));
+ }
+ gen_eob(s);
+ break;
+ case 4: /* jmp Ev */
+ if (dflag == MO_16) {
+ tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
+ }
+ gen_op_jmp_v(cpu_T0);
+ gen_bnd_jmp(s);
+ gen_eob(s);
+ break;
+ case 5: /* ljmp Ev */
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ gen_add_A0_im(s, 1 << ot);
+ gen_op_ld_v(s, MO_16, cpu_T0, cpu_A0);
+ do_ljmp:
+ if (s->pe && !s->vm86) {
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_ljmp_protected(cpu_env, cpu_tmp2_i32, cpu_T1,
+ tcg_const_tl(s->pc - s->cs_base));
+ } else {
+ gen_op_movl_seg_T0_vm(R_CS);
+ gen_op_jmp_v(cpu_T1);
+ }
+ gen_eob(s);
+ break;
+ case 6: /* push Ev */
+ gen_push_v(s, cpu_T0);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ case 0x84: /* test Ev, Gv */
+ case 0x85:
+ ot = mo_b_d(b, dflag);
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ gen_op_mov_v_reg(ot, cpu_T1, reg);
+ gen_op_testl_T0_T1_cc();
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ break;
+
+ case 0xa8: /* test eAX, Iv */
+ case 0xa9:
+ ot = mo_b_d(b, dflag);
+ val = insn_get(env, s, ot);
+
+ gen_op_mov_v_reg(ot, cpu_T0, OR_EAX);
+ tcg_gen_movi_tl(cpu_T1, val);
+ gen_op_testl_T0_T1_cc();
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ break;
+
+ case 0x98: /* CWDE/CBW */
+ switch (dflag) {
+#ifdef TARGET_X86_64
+ case MO_64:
+ gen_op_mov_v_reg(MO_32, cpu_T0, R_EAX);
+ tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
+ gen_op_mov_reg_v(MO_64, R_EAX, cpu_T0);
+ break;
+#endif
+ case MO_32:
+ gen_op_mov_v_reg(MO_16, cpu_T0, R_EAX);
+ tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
+ gen_op_mov_reg_v(MO_32, R_EAX, cpu_T0);
+ break;
+ case MO_16:
+ gen_op_mov_v_reg(MO_8, cpu_T0, R_EAX);
+ tcg_gen_ext8s_tl(cpu_T0, cpu_T0);
+ gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
+ break;
+ default:
+ tcg_abort();
+ }
+ break;
+ case 0x99: /* CDQ/CWD */
+ switch (dflag) {
+#ifdef TARGET_X86_64
+ case MO_64:
+ gen_op_mov_v_reg(MO_64, cpu_T0, R_EAX);
+ tcg_gen_sari_tl(cpu_T0, cpu_T0, 63);
+ gen_op_mov_reg_v(MO_64, R_EDX, cpu_T0);
+ break;
+#endif
+ case MO_32:
+ gen_op_mov_v_reg(MO_32, cpu_T0, R_EAX);
+ tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
+ tcg_gen_sari_tl(cpu_T0, cpu_T0, 31);
+ gen_op_mov_reg_v(MO_32, R_EDX, cpu_T0);
+ break;
+ case MO_16:
+ gen_op_mov_v_reg(MO_16, cpu_T0, R_EAX);
+ tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
+ tcg_gen_sari_tl(cpu_T0, cpu_T0, 15);
+ gen_op_mov_reg_v(MO_16, R_EDX, cpu_T0);
+ break;
+ default:
+ tcg_abort();
+ }
+ break;
+ case 0x1af: /* imul Gv, Ev */
+ case 0x69: /* imul Gv, Ev, I */
+ case 0x6b:
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ if (b == 0x69)
+ s->rip_offset = insn_const_size(ot);
+ else if (b == 0x6b)
+ s->rip_offset = 1;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ if (b == 0x69) {
+ val = insn_get(env, s, ot);
+ tcg_gen_movi_tl(cpu_T1, val);
+ } else if (b == 0x6b) {
+ val = (int8_t)insn_get(env, s, MO_8);
+ tcg_gen_movi_tl(cpu_T1, val);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T1, reg);
+ }
+ switch (ot) {
+#ifdef TARGET_X86_64
+ case MO_64:
+ tcg_gen_muls2_i64(cpu_regs[reg], cpu_T1, cpu_T0, cpu_T1);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[reg]);
+ tcg_gen_sari_tl(cpu_cc_src, cpu_cc_dst, 63);
+ tcg_gen_sub_tl(cpu_cc_src, cpu_cc_src, cpu_T1);
+ break;
+#endif
+ case MO_32:
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
+ tcg_gen_muls2_i32(cpu_tmp2_i32, cpu_tmp3_i32,
+ cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32);
+ tcg_gen_sari_i32(cpu_tmp2_i32, cpu_tmp2_i32, 31);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_regs[reg]);
+ tcg_gen_sub_i32(cpu_tmp2_i32, cpu_tmp2_i32, cpu_tmp3_i32);
+ tcg_gen_extu_i32_tl(cpu_cc_src, cpu_tmp2_i32);
+ break;
+ default:
+ tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
+ tcg_gen_ext16s_tl(cpu_T1, cpu_T1);
+ /* XXX: use 32 bit mul which could be faster */
+ tcg_gen_mul_tl(cpu_T0, cpu_T0, cpu_T1);
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ tcg_gen_ext16s_tl(cpu_tmp0, cpu_T0);
+ tcg_gen_sub_tl(cpu_cc_src, cpu_T0, cpu_tmp0);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+ }
+ set_cc_op(s, CC_OP_MULB + ot);
+ break;
+ case 0x1c0:
+ case 0x1c1: /* xadd Ev, Gv */
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ gen_op_mov_v_reg(ot, cpu_T0, reg);
+ if (mod == 3) {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_mov_v_reg(ot, cpu_T1, rm);
+ tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_mov_reg_v(ot, reg, cpu_T1);
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ if (s->prefix & PREFIX_LOCK) {
+ tcg_gen_atomic_fetch_add_tl(cpu_T1, cpu_A0, cpu_T0,
+ s->mem_index, ot | MO_LE);
+ tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
+ } else {
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ tcg_gen_add_tl(cpu_T0, cpu_T0, cpu_T1);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ }
+ gen_op_mov_reg_v(ot, reg, cpu_T1);
+ }
+ gen_op_update2_cc();
+ set_cc_op(s, CC_OP_ADDB + ot);
+ break;
+ case 0x1b0:
+ case 0x1b1: /* cmpxchg Ev, Gv */
+ {
+ TCGv oldv, newv, cmpv;
+
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ oldv = tcg_temp_new();
+ newv = tcg_temp_new();
+ cmpv = tcg_temp_new();
+ gen_op_mov_v_reg(ot, newv, reg);
+ tcg_gen_mov_tl(cmpv, cpu_regs[R_EAX]);
+
+ if (s->prefix & PREFIX_LOCK) {
+ if (mod == 3) {
+ goto illegal_op;
+ }
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_atomic_cmpxchg_tl(oldv, cpu_A0, cmpv, newv,
+ s->mem_index, ot | MO_LE);
+ gen_op_mov_reg_v(ot, R_EAX, oldv);
+ } else {
+ if (mod == 3) {
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_mov_v_reg(ot, oldv, rm);
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, ot, oldv, cpu_A0);
+ rm = 0; /* avoid warning */
+ }
+ gen_extu(ot, oldv);
+ gen_extu(ot, cmpv);
+ /* store value = (old == cmp ? new : old); */
+ tcg_gen_movcond_tl(TCG_COND_EQ, newv, oldv, cmpv, newv, oldv);
+ if (mod == 3) {
+ gen_op_mov_reg_v(ot, R_EAX, oldv);
+ gen_op_mov_reg_v(ot, rm, newv);
+ } else {
+ /* Perform an unconditional store cycle like physical cpu;
+ must be before changing accumulator to ensure
+ idempotency if the store faults and the instruction
+ is restarted */
+ gen_op_st_v(s, ot, newv, cpu_A0);
+ gen_op_mov_reg_v(ot, R_EAX, oldv);
+ }
+ }
+ tcg_gen_mov_tl(cpu_cc_src, oldv);
+ tcg_gen_mov_tl(cpu_cc_srcT, cmpv);
+ tcg_gen_sub_tl(cpu_cc_dst, cmpv, oldv);
+ set_cc_op(s, CC_OP_SUBB + ot);
+ tcg_temp_free(oldv);
+ tcg_temp_free(newv);
+ tcg_temp_free(cmpv);
+ }
+ break;
+ case 0x1c7: /* cmpxchg8b */
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ if ((mod == 3) || ((modrm & 0x38) != 0x8))
+ goto illegal_op;
+#ifdef TARGET_X86_64
+ if (dflag == MO_64) {
+ if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
+ goto illegal_op;
+ gen_lea_modrm(env, s, modrm);
+ if ((s->prefix & PREFIX_LOCK) && parallel_cpus) {
+ gen_helper_cmpxchg16b(cpu_env, cpu_A0);
+ } else {
+ gen_helper_cmpxchg16b_unlocked(cpu_env, cpu_A0);
+ }
+ } else
+#endif
+ {
+ if (!(s->cpuid_features & CPUID_CX8))
+ goto illegal_op;
+ gen_lea_modrm(env, s, modrm);
+ if ((s->prefix & PREFIX_LOCK) && parallel_cpus) {
+ gen_helper_cmpxchg8b(cpu_env, cpu_A0);
+ } else {
+ gen_helper_cmpxchg8b_unlocked(cpu_env, cpu_A0);
+ }
+ }
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+
+ /**************************/
+ /* push/pop */
+ case 0x50 ... 0x57: /* push */
+ gen_op_mov_v_reg(MO_32, cpu_T0, (b & 7) | REX_B(s));
+ gen_push_v(s, cpu_T0);
+ break;
+ case 0x58 ... 0x5f: /* pop */
+ ot = gen_pop_T0(s);
+ /* NOTE: order is important for pop %sp */
+ gen_pop_update(s, ot);
+ gen_op_mov_reg_v(ot, (b & 7) | REX_B(s), cpu_T0);
+ break;
+ case 0x60: /* pusha */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_pusha(s);
+ break;
+ case 0x61: /* popa */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_popa(s);
+ break;
+ case 0x68: /* push Iv */
+ case 0x6a:
+ ot = mo_pushpop(s, dflag);
+ if (b == 0x68)
+ val = insn_get(env, s, ot);
+ else
+ val = (int8_t)insn_get(env, s, MO_8);
+ tcg_gen_movi_tl(cpu_T0, val);
+ gen_push_v(s, cpu_T0);
+ break;
+ case 0x8f: /* pop Ev */
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ ot = gen_pop_T0(s);
+ if (mod == 3) {
+ /* NOTE: order is important for pop %sp */
+ gen_pop_update(s, ot);
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ } else {
+ /* NOTE: order is important too for MMU exceptions */
+ s->popl_esp_hack = 1 << ot;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
+ s->popl_esp_hack = 0;
+ gen_pop_update(s, ot);
+ }
+ break;
+ case 0xc8: /* enter */
+ {
+ int level;
+ val = cpu_lduw_code(env, s->pc);
+ s->pc += 2;
+ level = cpu_ldub_code(env, s->pc++);
+ gen_enter(s, val, level);
+ }
+ break;
+ case 0xc9: /* leave */
+ gen_leave(s);
+ break;
+ case 0x06: /* push es */
+ case 0x0e: /* push cs */
+ case 0x16: /* push ss */
+ case 0x1e: /* push ds */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_op_movl_T0_seg(b >> 3);
+ gen_push_v(s, cpu_T0);
+ break;
+ case 0x1a0: /* push fs */
+ case 0x1a8: /* push gs */
+ gen_op_movl_T0_seg((b >> 3) & 7);
+ gen_push_v(s, cpu_T0);
+ break;
+ case 0x07: /* pop es */
+ case 0x17: /* pop ss */
+ case 0x1f: /* pop ds */
+ if (CODE64(s))
+ goto illegal_op;
+ reg = b >> 3;
+ ot = gen_pop_T0(s);
+ gen_movl_seg_T0(s, reg);
+ gen_pop_update(s, ot);
+ /* Note that reg == R_SS in gen_movl_seg_T0 always sets is_jmp. */
+ if (s->is_jmp) {
+ gen_jmp_im(s->pc - s->cs_base);
+ if (reg == R_SS) {
+ s->tf = 0;
+ gen_eob_inhibit_irq(s, true);
+ } else {
+ gen_eob(s);
+ }
+ }
+ break;
+ case 0x1a1: /* pop fs */
+ case 0x1a9: /* pop gs */
+ ot = gen_pop_T0(s);
+ gen_movl_seg_T0(s, (b >> 3) & 7);
+ gen_pop_update(s, ot);
+ if (s->is_jmp) {
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ }
+ break;
+
+ /**************************/
+ /* mov */
+ case 0x88:
+ case 0x89: /* mov Gv, Ev */
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ /* generate a generic store */
+ gen_ldst_modrm(env, s, modrm, ot, reg, 1);
+ break;
+ case 0xc6:
+ case 0xc7: /* mov Ev, Iv */
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ if (mod != 3) {
+ s->rip_offset = insn_const_size(ot);
+ gen_lea_modrm(env, s, modrm);
+ }
+ val = insn_get(env, s, ot);
+ tcg_gen_movi_tl(cpu_T0, val);
+ if (mod != 3) {
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_reg_v(ot, (modrm & 7) | REX_B(s), cpu_T0);
+ }
+ break;
+ case 0x8a:
+ case 0x8b: /* mov Ev, Gv */
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+ case 0x8e: /* mov seg, Gv */
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = (modrm >> 3) & 7;
+ if (reg >= 6 || reg == R_CS)
+ goto illegal_op;
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ gen_movl_seg_T0(s, reg);
+ /* Note that reg == R_SS in gen_movl_seg_T0 always sets is_jmp. */
+ if (s->is_jmp) {
+ gen_jmp_im(s->pc - s->cs_base);
+ if (reg == R_SS) {
+ s->tf = 0;
+ gen_eob_inhibit_irq(s, true);
+ } else {
+ gen_eob(s);
+ }
+ }
+ break;
+ case 0x8c: /* mov Gv, seg */
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = (modrm >> 3) & 7;
+ mod = (modrm >> 6) & 3;
+ if (reg >= 6)
+ goto illegal_op;
+ gen_op_movl_T0_seg(reg);
+ ot = mod == 3 ? dflag : MO_16;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
+ break;
+
+ case 0x1b6: /* movzbS Gv, Eb */
+ case 0x1b7: /* movzwS Gv, Eb */
+ case 0x1be: /* movsbS Gv, Eb */
+ case 0x1bf: /* movswS Gv, Eb */
+ {
+ TCGMemOp d_ot;
+ TCGMemOp s_ot;
+
+ /* d_ot is the size of destination */
+ d_ot = dflag;
+ /* ot is the size of source */
+ ot = (b & 1) + MO_8;
+ /* s_ot is the sign+size of source */
+ s_ot = b & 8 ? MO_SIGN | ot : ot;
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+
+ if (mod == 3) {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ switch (s_ot) {
+ case MO_UB:
+ tcg_gen_ext8u_tl(cpu_T0, cpu_T0);
+ break;
+ case MO_SB:
+ tcg_gen_ext8s_tl(cpu_T0, cpu_T0);
+ break;
+ case MO_UW:
+ tcg_gen_ext16u_tl(cpu_T0, cpu_T0);
+ break;
+ default:
+ case MO_SW:
+ tcg_gen_ext16s_tl(cpu_T0, cpu_T0);
+ break;
+ }
+ gen_op_mov_reg_v(d_ot, reg, cpu_T0);
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, s_ot, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(d_ot, reg, cpu_T0);
+ }
+ }
+ break;
+
+ case 0x8d: /* lea */
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ if (mod == 3)
+ goto illegal_op;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ {
+ AddressParts a = gen_lea_modrm_0(env, s, modrm);
+ TCGv ea = gen_lea_modrm_1(a);
+ gen_lea_v_seg(s, s->aflag, ea, -1, -1);
+ gen_op_mov_reg_v(dflag, reg, cpu_A0);
+ }
+ break;
+
+ case 0xa0: /* mov EAX, Ov */
+ case 0xa1:
+ case 0xa2: /* mov Ov, EAX */
+ case 0xa3:
+ {
+ target_ulong offset_addr;
+
+ ot = mo_b_d(b, dflag);
+ switch (s->aflag) {
+#ifdef TARGET_X86_64
+ case MO_64:
+ offset_addr = cpu_ldq_code(env, s->pc);
+ s->pc += 8;
+ break;
+#endif
+ default:
+ offset_addr = insn_get(env, s, s->aflag);
+ break;
+ }
+ tcg_gen_movi_tl(cpu_A0, offset_addr);
+ gen_add_A0_ds_seg(s);
+ if ((b & 2) == 0) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(ot, R_EAX, cpu_T0);
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, R_EAX);
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ }
+ }
+ break;
+ case 0xd7: /* xlat */
+ tcg_gen_mov_tl(cpu_A0, cpu_regs[R_EBX]);
+ tcg_gen_ext8u_tl(cpu_T0, cpu_regs[R_EAX]);
+ tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T0);
+ gen_extu(s->aflag, cpu_A0);
+ gen_add_A0_ds_seg(s);
+ gen_op_ld_v(s, MO_8, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(MO_8, R_EAX, cpu_T0);
+ break;
+ case 0xb0 ... 0xb7: /* mov R, Ib */
+ val = insn_get(env, s, MO_8);
+ tcg_gen_movi_tl(cpu_T0, val);
+ gen_op_mov_reg_v(MO_8, (b & 7) | REX_B(s), cpu_T0);
+ break;
+ case 0xb8 ... 0xbf: /* mov R, Iv */
+#ifdef TARGET_X86_64
+ if (dflag == MO_64) {
+ uint64_t tmp;
+ /* 64 bit case */
+ tmp = cpu_ldq_code(env, s->pc);
+ s->pc += 8;
+ reg = (b & 7) | REX_B(s);
+ tcg_gen_movi_tl(cpu_T0, tmp);
+ gen_op_mov_reg_v(MO_64, reg, cpu_T0);
+ } else
+#endif
+ {
+ ot = dflag;
+ val = insn_get(env, s, ot);
+ reg = (b & 7) | REX_B(s);
+ tcg_gen_movi_tl(cpu_T0, val);
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ }
+ break;
+
+ case 0x91 ... 0x97: /* xchg R, EAX */
+ do_xchg_reg_eax:
+ ot = dflag;
+ reg = (b & 7) | REX_B(s);
+ rm = R_EAX;
+ goto do_xchg_reg;
+ case 0x86:
+ case 0x87: /* xchg Ev, Gv */
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ if (mod == 3) {
+ rm = (modrm & 7) | REX_B(s);
+ do_xchg_reg:
+ gen_op_mov_v_reg(ot, cpu_T0, reg);
+ gen_op_mov_v_reg(ot, cpu_T1, rm);
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ gen_op_mov_reg_v(ot, reg, cpu_T1);
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_mov_v_reg(ot, cpu_T0, reg);
+ /* for xchg, lock is implicit */
+ tcg_gen_atomic_xchg_tl(cpu_T1, cpu_A0, cpu_T0,
+ s->mem_index, ot | MO_LE);
+ gen_op_mov_reg_v(ot, reg, cpu_T1);
+ }
+ break;
+ case 0xc4: /* les Gv */
+ /* In CODE64 this is VEX3; see above. */
+ op = R_ES;
+ goto do_lxx;
+ case 0xc5: /* lds Gv */
+ /* In CODE64 this is VEX2; see above. */
+ op = R_DS;
+ goto do_lxx;
+ case 0x1b2: /* lss Gv */
+ op = R_SS;
+ goto do_lxx;
+ case 0x1b4: /* lfs Gv */
+ op = R_FS;
+ goto do_lxx;
+ case 0x1b5: /* lgs Gv */
+ op = R_GS;
+ do_lxx:
+ ot = dflag != MO_16 ? MO_32 : MO_16;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ if (mod == 3)
+ goto illegal_op;
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, ot, cpu_T1, cpu_A0);
+ gen_add_A0_im(s, 1 << ot);
+ /* load the segment first to handle exceptions properly */
+ gen_op_ld_v(s, MO_16, cpu_T0, cpu_A0);
+ gen_movl_seg_T0(s, op);
+ /* then put the data */
+ gen_op_mov_reg_v(ot, reg, cpu_T1);
+ if (s->is_jmp) {
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ }
+ break;
+
+ /************************/
+ /* shifts */
+ case 0xc0:
+ case 0xc1:
+ /* shift Ev,Ib */
+ shift = 2;
+ grp2:
+ {
+ ot = mo_b_d(b, dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ op = (modrm >> 3) & 7;
+
+ if (mod != 3) {
+ if (shift == 2) {
+ s->rip_offset = 1;
+ }
+ gen_lea_modrm(env, s, modrm);
+ opreg = OR_TMP0;
+ } else {
+ opreg = (modrm & 7) | REX_B(s);
+ }
+
+ /* simpler op */
+ if (shift == 0) {
+ gen_shift(s, op, ot, opreg, OR_ECX);
+ } else {
+ if (shift == 2) {
+ shift = cpu_ldub_code(env, s->pc++);
+ }
+ gen_shifti(s, op, ot, opreg, shift);
+ }
+ }
+ break;
+ case 0xd0:
+ case 0xd1:
+ /* shift Ev,1 */
+ shift = 1;
+ goto grp2;
+ case 0xd2:
+ case 0xd3:
+ /* shift Ev,cl */
+ shift = 0;
+ goto grp2;
+
+ case 0x1a4: /* shld imm */
+ op = 0;
+ shift = 1;
+ goto do_shiftd;
+ case 0x1a5: /* shld cl */
+ op = 0;
+ shift = 0;
+ goto do_shiftd;
+ case 0x1ac: /* shrd imm */
+ op = 1;
+ shift = 1;
+ goto do_shiftd;
+ case 0x1ad: /* shrd cl */
+ op = 1;
+ shift = 0;
+ do_shiftd:
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ opreg = OR_TMP0;
+ } else {
+ opreg = rm;
+ }
+ gen_op_mov_v_reg(ot, cpu_T1, reg);
+
+ if (shift) {
+ TCGv imm = tcg_const_tl(cpu_ldub_code(env, s->pc++));
+ gen_shiftd_rm_T1(s, ot, opreg, op, imm);
+ tcg_temp_free(imm);
+ } else {
+ gen_shiftd_rm_T1(s, ot, opreg, op, cpu_regs[R_ECX]);
+ }
+ break;
+
+ /************************/
+ /* floats */
+ case 0xd8 ... 0xdf:
+ if (s->flags & (HF_EM_MASK | HF_TS_MASK)) {
+ /* if CR0.EM or CR0.TS are set, generate an FPU exception */
+ /* XXX: what to do if illegal op ? */
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ break;
+ }
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ rm = modrm & 7;
+ op = ((b & 7) << 3) | ((modrm >> 3) & 7);
+ if (mod != 3) {
+ /* memory op */
+ gen_lea_modrm(env, s, modrm);
+ switch(op) {
+ case 0x00 ... 0x07: /* fxxxs */
+ case 0x10 ... 0x17: /* fixxxl */
+ case 0x20 ... 0x27: /* fxxxl */
+ case 0x30 ... 0x37: /* fixxx */
+ {
+ int op1;
+ op1 = op & 7;
+
+ switch(op >> 4) {
+ case 0:
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ gen_helper_flds_FT0(cpu_env, cpu_tmp2_i32);
+ break;
+ case 1:
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ gen_helper_fildl_FT0(cpu_env, cpu_tmp2_i32);
+ break;
+ case 2:
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0,
+ s->mem_index, MO_LEQ);
+ gen_helper_fldl_FT0(cpu_env, cpu_tmp1_i64);
+ break;
+ case 3:
+ default:
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LESW);
+ gen_helper_fildl_FT0(cpu_env, cpu_tmp2_i32);
+ break;
+ }
+
+ gen_helper_fp_arith_ST0_FT0(op1);
+ if (op1 == 3) {
+ /* fcomp needs pop */
+ gen_helper_fpop(cpu_env);
+ }
+ }
+ break;
+ case 0x08: /* flds */
+ case 0x0a: /* fsts */
+ case 0x0b: /* fstps */
+ case 0x18 ... 0x1b: /* fildl, fisttpl, fistl, fistpl */
+ case 0x28 ... 0x2b: /* fldl, fisttpll, fstl, fstpl */
+ case 0x38 ... 0x3b: /* filds, fisttps, fists, fistps */
+ switch(op & 7) {
+ case 0:
+ switch(op >> 4) {
+ case 0:
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ gen_helper_flds_ST0(cpu_env, cpu_tmp2_i32);
+ break;
+ case 1:
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ gen_helper_fildl_ST0(cpu_env, cpu_tmp2_i32);
+ break;
+ case 2:
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0,
+ s->mem_index, MO_LEQ);
+ gen_helper_fldl_ST0(cpu_env, cpu_tmp1_i64);
+ break;
+ case 3:
+ default:
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LESW);
+ gen_helper_fildl_ST0(cpu_env, cpu_tmp2_i32);
+ break;
+ }
+ break;
+ case 1:
+ /* XXX: the corresponding CPUID bit must be tested ! */
+ switch(op >> 4) {
+ case 1:
+ gen_helper_fisttl_ST0(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ break;
+ case 2:
+ gen_helper_fisttll_ST0(cpu_tmp1_i64, cpu_env);
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0,
+ s->mem_index, MO_LEQ);
+ break;
+ case 3:
+ default:
+ gen_helper_fistt_ST0(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUW);
+ break;
+ }
+ gen_helper_fpop(cpu_env);
+ break;
+ default:
+ switch(op >> 4) {
+ case 0:
+ gen_helper_fsts_ST0(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ break;
+ case 1:
+ gen_helper_fistl_ST0(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
+ break;
+ case 2:
+ gen_helper_fstl_ST0(cpu_tmp1_i64, cpu_env);
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0,
+ s->mem_index, MO_LEQ);
+ break;
+ case 3:
+ default:
+ gen_helper_fist_ST0(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUW);
+ break;
+ }
+ if ((op & 7) == 3)
+ gen_helper_fpop(cpu_env);
+ break;
+ }
+ break;
+ case 0x0c: /* fldenv mem */
+ gen_helper_fldenv(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
+ break;
+ case 0x0d: /* fldcw mem */
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUW);
+ gen_helper_fldcw(cpu_env, cpu_tmp2_i32);
+ break;
+ case 0x0e: /* fnstenv mem */
+ gen_helper_fstenv(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
+ break;
+ case 0x0f: /* fnstcw mem */
+ gen_helper_fnstcw(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUW);
+ break;
+ case 0x1d: /* fldt mem */
+ gen_helper_fldt_ST0(cpu_env, cpu_A0);
+ break;
+ case 0x1f: /* fstpt mem */
+ gen_helper_fstt_ST0(cpu_env, cpu_A0);
+ gen_helper_fpop(cpu_env);
+ break;
+ case 0x2c: /* frstor mem */
+ gen_helper_frstor(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
+ break;
+ case 0x2e: /* fnsave mem */
+ gen_helper_fsave(cpu_env, cpu_A0, tcg_const_i32(dflag - 1));
+ break;
+ case 0x2f: /* fnstsw mem */
+ gen_helper_fnstsw(cpu_tmp2_i32, cpu_env);
+ tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUW);
+ break;
+ case 0x3c: /* fbld */
+ gen_helper_fbld_ST0(cpu_env, cpu_A0);
+ break;
+ case 0x3e: /* fbstp */
+ gen_helper_fbst_ST0(cpu_env, cpu_A0);
+ gen_helper_fpop(cpu_env);
+ break;
+ case 0x3d: /* fildll */
+ tcg_gen_qemu_ld_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
+ gen_helper_fildll_ST0(cpu_env, cpu_tmp1_i64);
+ break;
+ case 0x3f: /* fistpll */
+ gen_helper_fistll_ST0(cpu_tmp1_i64, cpu_env);
+ tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ);
+ gen_helper_fpop(cpu_env);
+ break;
+ default:
+ goto unknown_op;
+ }
+ } else {
+ /* register float ops */
+ opreg = rm;
+
+ switch(op) {
+ case 0x08: /* fld sti */
+ gen_helper_fpush(cpu_env);
+ gen_helper_fmov_ST0_STN(cpu_env,
+ tcg_const_i32((opreg + 1) & 7));
+ break;
+ case 0x09: /* fxchg sti */
+ case 0x29: /* fxchg4 sti, undocumented op */
+ case 0x39: /* fxchg7 sti, undocumented op */
+ gen_helper_fxchg_ST0_STN(cpu_env, tcg_const_i32(opreg));
+ break;
+ case 0x0a: /* grp d9/2 */
+ switch(rm) {
+ case 0: /* fnop */
+ /* check exceptions (FreeBSD FPU probe) */
+ gen_helper_fwait(cpu_env);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+ case 0x0c: /* grp d9/4 */
+ switch(rm) {
+ case 0: /* fchs */
+ gen_helper_fchs_ST0(cpu_env);
+ break;
+ case 1: /* fabs */
+ gen_helper_fabs_ST0(cpu_env);
+ break;
+ case 4: /* ftst */
+ gen_helper_fldz_FT0(cpu_env);
+ gen_helper_fcom_ST0_FT0(cpu_env);
+ break;
+ case 5: /* fxam */
+ gen_helper_fxam_ST0(cpu_env);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+ case 0x0d: /* grp d9/5 */
+ {
+ switch(rm) {
+ case 0:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fld1_ST0(cpu_env);
+ break;
+ case 1:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fldl2t_ST0(cpu_env);
+ break;
+ case 2:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fldl2e_ST0(cpu_env);
+ break;
+ case 3:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fldpi_ST0(cpu_env);
+ break;
+ case 4:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fldlg2_ST0(cpu_env);
+ break;
+ case 5:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fldln2_ST0(cpu_env);
+ break;
+ case 6:
+ gen_helper_fpush(cpu_env);
+ gen_helper_fldz_ST0(cpu_env);
+ break;
+ default:
+ goto unknown_op;
+ }
+ }
+ break;
+ case 0x0e: /* grp d9/6 */
+ switch(rm) {
+ case 0: /* f2xm1 */
+ gen_helper_f2xm1(cpu_env);
+ break;
+ case 1: /* fyl2x */
+ gen_helper_fyl2x(cpu_env);
+ break;
+ case 2: /* fptan */
+ gen_helper_fptan(cpu_env);
+ break;
+ case 3: /* fpatan */
+ gen_helper_fpatan(cpu_env);
+ break;
+ case 4: /* fxtract */
+ gen_helper_fxtract(cpu_env);
+ break;
+ case 5: /* fprem1 */
+ gen_helper_fprem1(cpu_env);
+ break;
+ case 6: /* fdecstp */
+ gen_helper_fdecstp(cpu_env);
+ break;
+ default:
+ case 7: /* fincstp */
+ gen_helper_fincstp(cpu_env);
+ break;
+ }
+ break;
+ case 0x0f: /* grp d9/7 */
+ switch(rm) {
+ case 0: /* fprem */
+ gen_helper_fprem(cpu_env);
+ break;
+ case 1: /* fyl2xp1 */
+ gen_helper_fyl2xp1(cpu_env);
+ break;
+ case 2: /* fsqrt */
+ gen_helper_fsqrt(cpu_env);
+ break;
+ case 3: /* fsincos */
+ gen_helper_fsincos(cpu_env);
+ break;
+ case 5: /* fscale */
+ gen_helper_fscale(cpu_env);
+ break;
+ case 4: /* frndint */
+ gen_helper_frndint(cpu_env);
+ break;
+ case 6: /* fsin */
+ gen_helper_fsin(cpu_env);
+ break;
+ default:
+ case 7: /* fcos */
+ gen_helper_fcos(cpu_env);
+ break;
+ }
+ break;
+ case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */
+ case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
+ case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
+ {
+ int op1;
+
+ op1 = op & 7;
+ if (op >= 0x20) {
+ gen_helper_fp_arith_STN_ST0(op1, opreg);
+ if (op >= 0x30)
+ gen_helper_fpop(cpu_env);
+ } else {
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fp_arith_ST0_FT0(op1);
+ }
+ }
+ break;
+ case 0x02: /* fcom */
+ case 0x22: /* fcom2, undocumented op */
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fcom_ST0_FT0(cpu_env);
+ break;
+ case 0x03: /* fcomp */
+ case 0x23: /* fcomp3, undocumented op */
+ case 0x32: /* fcomp5, undocumented op */
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fcom_ST0_FT0(cpu_env);
+ gen_helper_fpop(cpu_env);
+ break;
+ case 0x15: /* da/5 */
+ switch(rm) {
+ case 1: /* fucompp */
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(1));
+ gen_helper_fucom_ST0_FT0(cpu_env);
+ gen_helper_fpop(cpu_env);
+ gen_helper_fpop(cpu_env);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+ case 0x1c:
+ switch(rm) {
+ case 0: /* feni (287 only, just do nop here) */
+ break;
+ case 1: /* fdisi (287 only, just do nop here) */
+ break;
+ case 2: /* fclex */
+ gen_helper_fclex(cpu_env);
+ break;
+ case 3: /* fninit */
+ gen_helper_fninit(cpu_env);
+ break;
+ case 4: /* fsetpm (287 only, just do nop here) */
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+ case 0x1d: /* fucomi */
+ if (!(s->cpuid_features & CPUID_CMOV)) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fucomi_ST0_FT0(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x1e: /* fcomi */
+ if (!(s->cpuid_features & CPUID_CMOV)) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fcomi_ST0_FT0(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x28: /* ffree sti */
+ gen_helper_ffree_STN(cpu_env, tcg_const_i32(opreg));
+ break;
+ case 0x2a: /* fst sti */
+ gen_helper_fmov_STN_ST0(cpu_env, tcg_const_i32(opreg));
+ break;
+ case 0x2b: /* fstp sti */
+ case 0x0b: /* fstp1 sti, undocumented op */
+ case 0x3a: /* fstp8 sti, undocumented op */
+ case 0x3b: /* fstp9 sti, undocumented op */
+ gen_helper_fmov_STN_ST0(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fpop(cpu_env);
+ break;
+ case 0x2c: /* fucom st(i) */
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fucom_ST0_FT0(cpu_env);
+ break;
+ case 0x2d: /* fucomp st(i) */
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fucom_ST0_FT0(cpu_env);
+ gen_helper_fpop(cpu_env);
+ break;
+ case 0x33: /* de/3 */
+ switch(rm) {
+ case 1: /* fcompp */
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(1));
+ gen_helper_fcom_ST0_FT0(cpu_env);
+ gen_helper_fpop(cpu_env);
+ gen_helper_fpop(cpu_env);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+ case 0x38: /* ffreep sti, undocumented op */
+ gen_helper_ffree_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fpop(cpu_env);
+ break;
+ case 0x3c: /* df/4 */
+ switch(rm) {
+ case 0:
+ gen_helper_fnstsw(cpu_tmp2_i32, cpu_env);
+ tcg_gen_extu_i32_tl(cpu_T0, cpu_tmp2_i32);
+ gen_op_mov_reg_v(MO_16, R_EAX, cpu_T0);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+ case 0x3d: /* fucomip */
+ if (!(s->cpuid_features & CPUID_CMOV)) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fucomi_ST0_FT0(cpu_env);
+ gen_helper_fpop(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x3e: /* fcomip */
+ if (!(s->cpuid_features & CPUID_CMOV)) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_helper_fmov_FT0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_helper_fcomi_ST0_FT0(cpu_env);
+ gen_helper_fpop(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x10 ... 0x13: /* fcmovxx */
+ case 0x18 ... 0x1b:
+ {
+ int op1;
+ TCGLabel *l1;
+ static const uint8_t fcmov_cc[8] = {
+ (JCC_B << 1),
+ (JCC_Z << 1),
+ (JCC_BE << 1),
+ (JCC_P << 1),
+ };
+
+ if (!(s->cpuid_features & CPUID_CMOV)) {
+ goto illegal_op;
+ }
+ op1 = fcmov_cc[op & 3] | (((op >> 3) & 1) ^ 1);
+ l1 = gen_new_label();
+ gen_jcc1_noeob(s, op1, l1);
+ gen_helper_fmov_ST0_STN(cpu_env, tcg_const_i32(opreg));
+ gen_set_label(l1);
+ }
+ break;
+ default:
+ goto unknown_op;
+ }
+ }
+ break;
+ /************************/
+ /* string ops */
+
+ case 0xa4: /* movsS */
+ case 0xa5:
+ ot = mo_b_d(b, dflag);
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
+ gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
+ } else {
+ gen_movs(s, ot);
+ }
+ break;
+
+ case 0xaa: /* stosS */
+ case 0xab:
+ ot = mo_b_d(b, dflag);
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
+ gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
+ } else {
+ gen_stos(s, ot);
+ }
+ break;
+ case 0xac: /* lodsS */
+ case 0xad:
+ ot = mo_b_d(b, dflag);
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
+ gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
+ } else {
+ gen_lods(s, ot);
+ }
+ break;
+ case 0xae: /* scasS */
+ case 0xaf:
+ ot = mo_b_d(b, dflag);
+ if (prefixes & PREFIX_REPNZ) {
+ gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
+ } else if (prefixes & PREFIX_REPZ) {
+ gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
+ } else {
+ gen_scas(s, ot);
+ }
+ break;
+
+ case 0xa6: /* cmpsS */
+ case 0xa7:
+ ot = mo_b_d(b, dflag);
+ if (prefixes & PREFIX_REPNZ) {
+ gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1);
+ } else if (prefixes & PREFIX_REPZ) {
+ gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0);
+ } else {
+ gen_cmps(s, ot);
+ }
+ break;
+ case 0x6c: /* insS */
+ case 0x6d:
+ ot = mo_b_d32(b, dflag);
+ tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
+ gen_check_io(s, ot, pc_start - s->cs_base,
+ SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4);
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
+ gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
+ } else {
+ gen_ins(s, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ }
+ break;
+ case 0x6e: /* outsS */
+ case 0x6f:
+ ot = mo_b_d32(b, dflag);
+ tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
+ gen_check_io(s, ot, pc_start - s->cs_base,
+ svm_is_rep(prefixes) | 4);
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) {
+ gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base);
+ } else {
+ gen_outs(s, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ }
+ break;
+
+ /************************/
+ /* port I/O */
+
+ case 0xe4:
+ case 0xe5:
+ ot = mo_b_d32(b, dflag);
+ val = cpu_ldub_code(env, s->pc++);
+ tcg_gen_movi_tl(cpu_T0, val);
+ gen_check_io(s, ot, pc_start - s->cs_base,
+ SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ tcg_gen_movi_i32(cpu_tmp2_i32, val);
+ gen_helper_in_func(ot, cpu_T1, cpu_tmp2_i32);
+ gen_op_mov_reg_v(ot, R_EAX, cpu_T1);
+ gen_bpt_io(s, cpu_tmp2_i32, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ break;
+ case 0xe6:
+ case 0xe7:
+ ot = mo_b_d32(b, dflag);
+ val = cpu_ldub_code(env, s->pc++);
+ tcg_gen_movi_tl(cpu_T0, val);
+ gen_check_io(s, ot, pc_start - s->cs_base,
+ svm_is_rep(prefixes));
+ gen_op_mov_v_reg(ot, cpu_T1, R_EAX);
+
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ tcg_gen_movi_i32(cpu_tmp2_i32, val);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
+ gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
+ gen_bpt_io(s, cpu_tmp2_i32, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ break;
+ case 0xec:
+ case 0xed:
+ ot = mo_b_d32(b, dflag);
+ tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
+ gen_check_io(s, ot, pc_start - s->cs_base,
+ SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes));
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_in_func(ot, cpu_T1, cpu_tmp2_i32);
+ gen_op_mov_reg_v(ot, R_EAX, cpu_T1);
+ gen_bpt_io(s, cpu_tmp2_i32, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ break;
+ case 0xee:
+ case 0xef:
+ ot = mo_b_d32(b, dflag);
+ tcg_gen_ext16u_tl(cpu_T0, cpu_regs[R_EDX]);
+ gen_check_io(s, ot, pc_start - s->cs_base,
+ svm_is_rep(prefixes));
+ gen_op_mov_v_reg(ot, cpu_T1, R_EAX);
+
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T1);
+ gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
+ gen_bpt_io(s, cpu_tmp2_i32, ot);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ break;
+
+ /************************/
+ /* control */
+ case 0xc2: /* ret im */
+ val = cpu_ldsw_code(env, s->pc);
+ s->pc += 2;
+ ot = gen_pop_T0(s);
+ gen_stack_update(s, val + (1 << ot));
+ /* Note that gen_pop_T0 uses a zero-extending load. */
+ gen_op_jmp_v(cpu_T0);
+ gen_bnd_jmp(s);
+ gen_eob(s);
+ break;
+ case 0xc3: /* ret */
+ ot = gen_pop_T0(s);
+ gen_pop_update(s, ot);
+ /* Note that gen_pop_T0 uses a zero-extending load. */
+ gen_op_jmp_v(cpu_T0);
+ gen_bnd_jmp(s);
+ gen_eob(s);
+ break;
+ case 0xca: /* lret im */
+ val = cpu_ldsw_code(env, s->pc);
+ s->pc += 2;
+ do_lret:
+ if (s->pe && !s->vm86) {
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_lret_protected(cpu_env, tcg_const_i32(dflag - 1),
+ tcg_const_i32(val));
+ } else {
+ gen_stack_A0(s);
+ /* pop offset */
+ gen_op_ld_v(s, dflag, cpu_T0, cpu_A0);
+ /* NOTE: keeping EIP updated is not a problem in case of
+ exception */
+ gen_op_jmp_v(cpu_T0);
+ /* pop selector */
+ gen_add_A0_im(s, 1 << dflag);
+ gen_op_ld_v(s, dflag, cpu_T0, cpu_A0);
+ gen_op_movl_seg_T0_vm(R_CS);
+ /* add stack offset */
+ gen_stack_update(s, val + (2 << dflag));
+ }
+ gen_eob(s);
+ break;
+ case 0xcb: /* lret */
+ val = 0;
+ goto do_lret;
+ case 0xcf: /* iret */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET);
+ if (!s->pe) {
+ /* real mode */
+ gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1));
+ set_cc_op(s, CC_OP_EFLAGS);
+ } else if (s->vm86) {
+ if (s->iopl != 3) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1));
+ set_cc_op(s, CC_OP_EFLAGS);
+ }
+ } else {
+ gen_helper_iret_protected(cpu_env, tcg_const_i32(dflag - 1),
+ tcg_const_i32(s->pc - s->cs_base));
+ set_cc_op(s, CC_OP_EFLAGS);
+ }
+ gen_eob(s);
+ break;
+ case 0xe8: /* call im */
+ {
+ if (dflag != MO_16) {
+ tval = (int32_t)insn_get(env, s, MO_32);
+ } else {
+ tval = (int16_t)insn_get(env, s, MO_16);
+ }
+ next_eip = s->pc - s->cs_base;
+ tval += next_eip;
+ if (dflag == MO_16) {
+ tval &= 0xffff;
+ } else if (!CODE64(s)) {
+ tval &= 0xffffffff;
+ }
+ tcg_gen_movi_tl(cpu_T0, next_eip);
+ gen_push_v(s, cpu_T0);
+ gen_bnd_jmp(s);
+ gen_jmp(s, tval);
+ }
+ break;
+ case 0x9a: /* lcall im */
+ {
+ unsigned int selector, offset;
+
+ if (CODE64(s))
+ goto illegal_op;
+ ot = dflag;
+ offset = insn_get(env, s, ot);
+ selector = insn_get(env, s, MO_16);
+
+ tcg_gen_movi_tl(cpu_T0, selector);
+ tcg_gen_movi_tl(cpu_T1, offset);
+ }
+ goto do_lcall;
+ case 0xe9: /* jmp im */
+ if (dflag != MO_16) {
+ tval = (int32_t)insn_get(env, s, MO_32);
+ } else {
+ tval = (int16_t)insn_get(env, s, MO_16);
+ }
+ tval += s->pc - s->cs_base;
+ if (dflag == MO_16) {
+ tval &= 0xffff;
+ } else if (!CODE64(s)) {
+ tval &= 0xffffffff;
+ }
+ gen_bnd_jmp(s);
+ gen_jmp(s, tval);
+ break;
+ case 0xea: /* ljmp im */
+ {
+ unsigned int selector, offset;
+
+ if (CODE64(s))
+ goto illegal_op;
+ ot = dflag;
+ offset = insn_get(env, s, ot);
+ selector = insn_get(env, s, MO_16);
+
+ tcg_gen_movi_tl(cpu_T0, selector);
+ tcg_gen_movi_tl(cpu_T1, offset);
+ }
+ goto do_ljmp;
+ case 0xeb: /* jmp Jb */
+ tval = (int8_t)insn_get(env, s, MO_8);
+ tval += s->pc - s->cs_base;
+ if (dflag == MO_16) {
+ tval &= 0xffff;
+ }
+ gen_jmp(s, tval);
+ break;
+ case 0x70 ... 0x7f: /* jcc Jb */
+ tval = (int8_t)insn_get(env, s, MO_8);
+ goto do_jcc;
+ case 0x180 ... 0x18f: /* jcc Jv */
+ if (dflag != MO_16) {
+ tval = (int32_t)insn_get(env, s, MO_32);
+ } else {
+ tval = (int16_t)insn_get(env, s, MO_16);
+ }
+ do_jcc:
+ next_eip = s->pc - s->cs_base;
+ tval += next_eip;
+ if (dflag == MO_16) {
+ tval &= 0xffff;
+ }
+ gen_bnd_jmp(s);
+ gen_jcc(s, b, tval, next_eip);
+ break;
+
+ case 0x190 ... 0x19f: /* setcc Gv */
+ modrm = cpu_ldub_code(env, s->pc++);
+ gen_setcc1(s, b, cpu_T0);
+ gen_ldst_modrm(env, s, modrm, MO_8, OR_TMP0, 1);
+ break;
+ case 0x140 ... 0x14f: /* cmov Gv, Ev */
+ if (!(s->cpuid_features & CPUID_CMOV)) {
+ goto illegal_op;
+ }
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ gen_cmovcc1(env, s, ot, b, modrm, reg);
+ break;
+
+ /************************/
+ /* flags */
+ case 0x9c: /* pushf */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF);
+ if (s->vm86 && s->iopl != 3) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_update_cc_op(s);
+ gen_helper_read_eflags(cpu_T0, cpu_env);
+ gen_push_v(s, cpu_T0);
+ }
+ break;
+ case 0x9d: /* popf */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF);
+ if (s->vm86 && s->iopl != 3) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ ot = gen_pop_T0(s);
+ if (s->cpl == 0) {
+ if (dflag != MO_16) {
+ gen_helper_write_eflags(cpu_env, cpu_T0,
+ tcg_const_i32((TF_MASK | AC_MASK |
+ ID_MASK | NT_MASK |
+ IF_MASK |
+ IOPL_MASK)));
+ } else {
+ gen_helper_write_eflags(cpu_env, cpu_T0,
+ tcg_const_i32((TF_MASK | AC_MASK |
+ ID_MASK | NT_MASK |
+ IF_MASK | IOPL_MASK)
+ & 0xffff));
+ }
+ } else {
+ if (s->cpl <= s->iopl) {
+ if (dflag != MO_16) {
+ gen_helper_write_eflags(cpu_env, cpu_T0,
+ tcg_const_i32((TF_MASK |
+ AC_MASK |
+ ID_MASK |
+ NT_MASK |
+ IF_MASK)));
+ } else {
+ gen_helper_write_eflags(cpu_env, cpu_T0,
+ tcg_const_i32((TF_MASK |
+ AC_MASK |
+ ID_MASK |
+ NT_MASK |
+ IF_MASK)
+ & 0xffff));
+ }
+ } else {
+ if (dflag != MO_16) {
+ gen_helper_write_eflags(cpu_env, cpu_T0,
+ tcg_const_i32((TF_MASK | AC_MASK |
+ ID_MASK | NT_MASK)));
+ } else {
+ gen_helper_write_eflags(cpu_env, cpu_T0,
+ tcg_const_i32((TF_MASK | AC_MASK |
+ ID_MASK | NT_MASK)
+ & 0xffff));
+ }
+ }
+ }
+ gen_pop_update(s, ot);
+ set_cc_op(s, CC_OP_EFLAGS);
+ /* abort translation because TF/AC flag may change */
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ }
+ break;
+ case 0x9e: /* sahf */
+ if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
+ goto illegal_op;
+ gen_op_mov_v_reg(MO_8, cpu_T0, R_AH);
+ gen_compute_eflags(s);
+ tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, CC_O);
+ tcg_gen_andi_tl(cpu_T0, cpu_T0, CC_S | CC_Z | CC_A | CC_P | CC_C);
+ tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_T0);
+ break;
+ case 0x9f: /* lahf */
+ if (CODE64(s) && !(s->cpuid_ext3_features & CPUID_EXT3_LAHF_LM))
+ goto illegal_op;
+ gen_compute_eflags(s);
+ /* Note: gen_compute_eflags() only gives the condition codes */
+ tcg_gen_ori_tl(cpu_T0, cpu_cc_src, 0x02);
+ gen_op_mov_reg_v(MO_8, R_AH, cpu_T0);
+ break;
+ case 0xf5: /* cmc */
+ gen_compute_eflags(s);
+ tcg_gen_xori_tl(cpu_cc_src, cpu_cc_src, CC_C);
+ break;
+ case 0xf8: /* clc */
+ gen_compute_eflags(s);
+ tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_C);
+ break;
+ case 0xf9: /* stc */
+ gen_compute_eflags(s);
+ tcg_gen_ori_tl(cpu_cc_src, cpu_cc_src, CC_C);
+ break;
+ case 0xfc: /* cld */
+ tcg_gen_movi_i32(cpu_tmp2_i32, 1);
+ tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUX86State, df));
+ break;
+ case 0xfd: /* std */
+ tcg_gen_movi_i32(cpu_tmp2_i32, -1);
+ tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, offsetof(CPUX86State, df));
+ break;
+
+ /************************/
+ /* bit operations */
+ case 0x1ba: /* bt/bts/btr/btc Gv, im */
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ op = (modrm >> 3) & 7;
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ if (mod != 3) {
+ s->rip_offset = 1;
+ gen_lea_modrm(env, s, modrm);
+ if (!(s->prefix & PREFIX_LOCK)) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ }
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ }
+ /* load shift */
+ val = cpu_ldub_code(env, s->pc++);
+ tcg_gen_movi_tl(cpu_T1, val);
+ if (op < 4)
+ goto unknown_op;
+ op -= 4;
+ goto bt_op;
+ case 0x1a3: /* bt Gv, Ev */
+ op = 0;
+ goto do_btx;
+ case 0x1ab: /* bts */
+ op = 1;
+ goto do_btx;
+ case 0x1b3: /* btr */
+ op = 2;
+ goto do_btx;
+ case 0x1bb: /* btc */
+ op = 3;
+ do_btx:
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+ gen_op_mov_v_reg(MO_32, cpu_T1, reg);
+ if (mod != 3) {
+ AddressParts a = gen_lea_modrm_0(env, s, modrm);
+ /* specific case: we need to add a displacement */
+ gen_exts(ot, cpu_T1);
+ tcg_gen_sari_tl(cpu_tmp0, cpu_T1, 3 + ot);
+ tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, ot);
+ tcg_gen_add_tl(cpu_A0, gen_lea_modrm_1(a), cpu_tmp0);
+ gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override);
+ if (!(s->prefix & PREFIX_LOCK)) {
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ }
+ } else {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ }
+ bt_op:
+ tcg_gen_andi_tl(cpu_T1, cpu_T1, (1 << (3 + ot)) - 1);
+ tcg_gen_movi_tl(cpu_tmp0, 1);
+ tcg_gen_shl_tl(cpu_tmp0, cpu_tmp0, cpu_T1);
+ if (s->prefix & PREFIX_LOCK) {
+ switch (op) {
+ case 0: /* bt */
+ /* Needs no atomic ops; we surpressed the normal
+ memory load for LOCK above so do it now. */
+ gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
+ break;
+ case 1: /* bts */
+ tcg_gen_atomic_fetch_or_tl(cpu_T0, cpu_A0, cpu_tmp0,
+ s->mem_index, ot | MO_LE);
+ break;
+ case 2: /* btr */
+ tcg_gen_not_tl(cpu_tmp0, cpu_tmp0);
+ tcg_gen_atomic_fetch_and_tl(cpu_T0, cpu_A0, cpu_tmp0,
+ s->mem_index, ot | MO_LE);
+ break;
+ default:
+ case 3: /* btc */
+ tcg_gen_atomic_fetch_xor_tl(cpu_T0, cpu_A0, cpu_tmp0,
+ s->mem_index, ot | MO_LE);
+ break;
+ }
+ tcg_gen_shr_tl(cpu_tmp4, cpu_T0, cpu_T1);
+ } else {
+ tcg_gen_shr_tl(cpu_tmp4, cpu_T0, cpu_T1);
+ switch (op) {
+ case 0: /* bt */
+ /* Data already loaded; nothing to do. */
+ break;
+ case 1: /* bts */
+ tcg_gen_or_tl(cpu_T0, cpu_T0, cpu_tmp0);
+ break;
+ case 2: /* btr */
+ tcg_gen_andc_tl(cpu_T0, cpu_T0, cpu_tmp0);
+ break;
+ default:
+ case 3: /* btc */
+ tcg_gen_xor_tl(cpu_T0, cpu_T0, cpu_tmp0);
+ break;
+ }
+ if (op != 0) {
+ if (mod != 3) {
+ gen_op_st_v(s, ot, cpu_T0, cpu_A0);
+ } else {
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ }
+ }
+ }
+
+ /* Delay all CC updates until after the store above. Note that
+ C is the result of the test, Z is unchanged, and the others
+ are all undefined. */
+ switch (s->cc_op) {
+ case CC_OP_MULB ... CC_OP_MULQ:
+ case CC_OP_ADDB ... CC_OP_ADDQ:
+ case CC_OP_ADCB ... CC_OP_ADCQ:
+ case CC_OP_SUBB ... CC_OP_SUBQ:
+ case CC_OP_SBBB ... CC_OP_SBBQ:
+ case CC_OP_LOGICB ... CC_OP_LOGICQ:
+ case CC_OP_INCB ... CC_OP_INCQ:
+ case CC_OP_DECB ... CC_OP_DECQ:
+ case CC_OP_SHLB ... CC_OP_SHLQ:
+ case CC_OP_SARB ... CC_OP_SARQ:
+ case CC_OP_BMILGB ... CC_OP_BMILGQ:
+ /* Z was going to be computed from the non-zero status of CC_DST.
+ We can get that same Z value (and the new C value) by leaving
+ CC_DST alone, setting CC_SRC, and using a CC_OP_SAR of the
+ same width. */
+ tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4);
+ set_cc_op(s, ((s->cc_op - CC_OP_MULB) & 3) + CC_OP_SARB);
+ break;
+ default:
+ /* Otherwise, generate EFLAGS and replace the C bit. */
+ gen_compute_eflags(s);
+ tcg_gen_deposit_tl(cpu_cc_src, cpu_cc_src, cpu_tmp4,
+ ctz32(CC_C), 1);
+ break;
+ }
+ break;
+ case 0x1bc: /* bsf / tzcnt */
+ case 0x1bd: /* bsr / lzcnt */
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ gen_extu(ot, cpu_T0);
+
+ /* Note that lzcnt and tzcnt are in different extensions. */
+ if ((prefixes & PREFIX_REPZ)
+ && (b & 1
+ ? s->cpuid_ext3_features & CPUID_EXT3_ABM
+ : s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_BMI1)) {
+ int size = 8 << ot;
+ tcg_gen_mov_tl(cpu_cc_src, cpu_T0);
+ if (b & 1) {
+ /* For lzcnt, reduce the target_ulong result by the
+ number of zeros that we expect to find at the top. */
+ gen_helper_clz(cpu_T0, cpu_T0);
+ tcg_gen_subi_tl(cpu_T0, cpu_T0, TARGET_LONG_BITS - size);
+ } else {
+ /* For tzcnt, a zero input must return the operand size:
+ force all bits outside the operand size to 1. */
+ target_ulong mask = (target_ulong)-2 << (size - 1);
+ tcg_gen_ori_tl(cpu_T0, cpu_T0, mask);
+ gen_helper_ctz(cpu_T0, cpu_T0);
+ }
+ /* For lzcnt/tzcnt, C and Z bits are defined and are
+ related to the result. */
+ gen_op_update1_cc();
+ set_cc_op(s, CC_OP_BMILGB + ot);
+ } else {
+ /* For bsr/bsf, only the Z bit is defined and it is related
+ to the input and not the result. */
+ tcg_gen_mov_tl(cpu_cc_dst, cpu_T0);
+ set_cc_op(s, CC_OP_LOGICB + ot);
+ if (b & 1) {
+ /* For bsr, return the bit index of the first 1 bit,
+ not the count of leading zeros. */
+ gen_helper_clz(cpu_T0, cpu_T0);
+ tcg_gen_xori_tl(cpu_T0, cpu_T0, TARGET_LONG_BITS - 1);
+ } else {
+ gen_helper_ctz(cpu_T0, cpu_T0);
+ }
+ /* ??? The manual says that the output is undefined when the
+ input is zero, but real hardware leaves it unchanged, and
+ real programs appear to depend on that. */
+ tcg_gen_movi_tl(cpu_tmp0, 0);
+ tcg_gen_movcond_tl(TCG_COND_EQ, cpu_T0, cpu_cc_dst, cpu_tmp0,
+ cpu_regs[reg], cpu_T0);
+ }
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+ break;
+ /************************/
+ /* bcd */
+ case 0x27: /* daa */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_update_cc_op(s);
+ gen_helper_daa(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x2f: /* das */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_update_cc_op(s);
+ gen_helper_das(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x37: /* aaa */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_update_cc_op(s);
+ gen_helper_aaa(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x3f: /* aas */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_update_cc_op(s);
+ gen_helper_aas(cpu_env);
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0xd4: /* aam */
+ if (CODE64(s))
+ goto illegal_op;
+ val = cpu_ldub_code(env, s->pc++);
+ if (val == 0) {
+ gen_exception(s, EXCP00_DIVZ, pc_start - s->cs_base);
+ } else {
+ gen_helper_aam(cpu_env, tcg_const_i32(val));
+ set_cc_op(s, CC_OP_LOGICB);
+ }
+ break;
+ case 0xd5: /* aad */
+ if (CODE64(s))
+ goto illegal_op;
+ val = cpu_ldub_code(env, s->pc++);
+ gen_helper_aad(cpu_env, tcg_const_i32(val));
+ set_cc_op(s, CC_OP_LOGICB);
+ break;
+ /************************/
+ /* misc */
+ case 0x90: /* nop */
+ /* XXX: correct lock test for all insn */
+ if (prefixes & PREFIX_LOCK) {
+ goto illegal_op;
+ }
+ /* If REX_B is set, then this is xchg eax, r8d, not a nop. */
+ if (REX_B(s)) {
+ goto do_xchg_reg_eax;
+ }
+ if (prefixes & PREFIX_REPZ) {
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_pause(cpu_env, tcg_const_i32(s->pc - pc_start));
+ s->is_jmp = DISAS_TB_JUMP;
+ }
+ break;
+ case 0x9b: /* fwait */
+ if ((s->flags & (HF_MP_MASK | HF_TS_MASK)) ==
+ (HF_MP_MASK | HF_TS_MASK)) {
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ } else {
+ gen_helper_fwait(cpu_env);
+ }
+ break;
+ case 0xcc: /* int3 */
+ gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base);
+ break;
+ case 0xcd: /* int N */
+ val = cpu_ldub_code(env, s->pc++);
+ if (s->vm86 && s->iopl != 3) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base);
+ }
+ break;
+ case 0xce: /* into */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_into(cpu_env, tcg_const_i32(s->pc - pc_start));
+ break;
+#ifdef WANT_ICEBP
+ case 0xf1: /* icebp (undocumented, exits to external debugger) */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP);
+#if 1
+ gen_debug(s, pc_start - s->cs_base);
+#else
+ /* start debug */
+ tb_flush(CPU(x86_env_get_cpu(env)));
+ qemu_set_log(CPU_LOG_INT | CPU_LOG_TB_IN_ASM);
+#endif
+ break;
+#endif
+ case 0xfa: /* cli */
+ if (!s->vm86) {
+ if (s->cpl <= s->iopl) {
+ gen_helper_cli(cpu_env);
+ } else {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ }
+ } else {
+ if (s->iopl == 3) {
+ gen_helper_cli(cpu_env);
+ } else {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ }
+ }
+ break;
+ case 0xfb: /* sti */
+ if (s->vm86 ? s->iopl == 3 : s->cpl <= s->iopl) {
+ gen_helper_sti(cpu_env);
+ /* interruptions are enabled only the first insn after sti */
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob_inhibit_irq(s, true);
+ } else {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ }
+ break;
+ case 0x62: /* bound */
+ if (CODE64(s))
+ goto illegal_op;
+ ot = dflag;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = (modrm >> 3) & 7;
+ mod = (modrm >> 6) & 3;
+ if (mod == 3)
+ goto illegal_op;
+ gen_op_mov_v_reg(ot, cpu_T0, reg);
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ if (ot == MO_16) {
+ gen_helper_boundw(cpu_env, cpu_A0, cpu_tmp2_i32);
+ } else {
+ gen_helper_boundl(cpu_env, cpu_A0, cpu_tmp2_i32);
+ }
+ break;
+ case 0x1c8 ... 0x1cf: /* bswap reg */
+ reg = (b & 7) | REX_B(s);
+#ifdef TARGET_X86_64
+ if (dflag == MO_64) {
+ gen_op_mov_v_reg(MO_64, cpu_T0, reg);
+ tcg_gen_bswap64_i64(cpu_T0, cpu_T0);
+ gen_op_mov_reg_v(MO_64, reg, cpu_T0);
+ } else
+#endif
+ {
+ gen_op_mov_v_reg(MO_32, cpu_T0, reg);
+ tcg_gen_ext32u_tl(cpu_T0, cpu_T0);
+ tcg_gen_bswap32_tl(cpu_T0, cpu_T0);
+ gen_op_mov_reg_v(MO_32, reg, cpu_T0);
+ }
+ break;
+ case 0xd6: /* salc */
+ if (CODE64(s))
+ goto illegal_op;
+ gen_compute_eflags_c(s, cpu_T0);
+ tcg_gen_neg_tl(cpu_T0, cpu_T0);
+ gen_op_mov_reg_v(MO_8, R_EAX, cpu_T0);
+ break;
+ case 0xe0: /* loopnz */
+ case 0xe1: /* loopz */
+ case 0xe2: /* loop */
+ case 0xe3: /* jecxz */
+ {
+ TCGLabel *l1, *l2, *l3;
+
+ tval = (int8_t)insn_get(env, s, MO_8);
+ next_eip = s->pc - s->cs_base;
+ tval += next_eip;
+ if (dflag == MO_16) {
+ tval &= 0xffff;
+ }
+
+ l1 = gen_new_label();
+ l2 = gen_new_label();
+ l3 = gen_new_label();
+ b &= 3;
+ switch(b) {
+ case 0: /* loopnz */
+ case 1: /* loopz */
+ gen_op_add_reg_im(s->aflag, R_ECX, -1);
+ gen_op_jz_ecx(s->aflag, l3);
+ gen_jcc1(s, (JCC_Z << 1) | (b ^ 1), l1);
+ break;
+ case 2: /* loop */
+ gen_op_add_reg_im(s->aflag, R_ECX, -1);
+ gen_op_jnz_ecx(s->aflag, l1);
+ break;
+ default:
+ case 3: /* jcxz */
+ gen_op_jz_ecx(s->aflag, l1);
+ break;
+ }
+
+ gen_set_label(l3);
+ gen_jmp_im(next_eip);
+ tcg_gen_br(l2);
+
+ gen_set_label(l1);
+ gen_jmp_im(tval);
+ gen_set_label(l2);
+ gen_eob(s);
+ }
+ break;
+ case 0x130: /* wrmsr */
+ case 0x132: /* rdmsr */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ if (b & 2) {
+ gen_helper_rdmsr(cpu_env);
+ } else {
+ gen_helper_wrmsr(cpu_env);
+ }
+ }
+ break;
+ case 0x131: /* rdtsc */
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ gen_helper_rdtsc(cpu_env);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ break;
+ case 0x133: /* rdpmc */
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_rdpmc(cpu_env);
+ break;
+ case 0x134: /* sysenter */
+ /* For Intel SYSENTER is valid on 64-bit */
+ if (CODE64(s) && env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
+ goto illegal_op;
+ if (!s->pe) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_helper_sysenter(cpu_env);
+ gen_eob(s);
+ }
+ break;
+ case 0x135: /* sysexit */
+ /* For Intel SYSEXIT is valid on 64-bit */
+ if (CODE64(s) && env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1)
+ goto illegal_op;
+ if (!s->pe) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_helper_sysexit(cpu_env, tcg_const_i32(dflag - 1));
+ gen_eob(s);
+ }
+ break;
+#ifdef TARGET_X86_64
+ case 0x105: /* syscall */
+ /* XXX: is it usable in real mode ? */
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_syscall(cpu_env, tcg_const_i32(s->pc - pc_start));
+ gen_eob(s);
+ break;
+ case 0x107: /* sysret */
+ if (!s->pe) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_helper_sysret(cpu_env, tcg_const_i32(dflag - 1));
+ /* condition codes are modified only in long mode */
+ if (s->lma) {
+ set_cc_op(s, CC_OP_EFLAGS);
+ }
+ gen_eob(s);
+ }
+ break;
+#endif
+ case 0x1a2: /* cpuid */
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_cpuid(cpu_env);
+ break;
+ case 0xf4: /* hlt */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_hlt(cpu_env, tcg_const_i32(s->pc - pc_start));
+ s->is_jmp = DISAS_TB_JUMP;
+ }
+ break;
+ case 0x100:
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ op = (modrm >> 3) & 7;
+ switch(op) {
+ case 0: /* sldt */
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ);
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State, ldt.selector));
+ ot = mod == 3 ? dflag : MO_16;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
+ break;
+ case 2: /* lldt */
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE);
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_lldt(cpu_env, cpu_tmp2_i32);
+ }
+ break;
+ case 1: /* str */
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ);
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State, tr.selector));
+ ot = mod == 3 ? dflag : MO_16;
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
+ break;
+ case 3: /* ltr */
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE);
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T0);
+ gen_helper_ltr(cpu_env, cpu_tmp2_i32);
+ }
+ break;
+ case 4: /* verr */
+ case 5: /* verw */
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ gen_update_cc_op(s);
+ if (op == 4) {
+ gen_helper_verr(cpu_env, cpu_T0);
+ } else {
+ gen_helper_verw(cpu_env, cpu_T0);
+ }
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ case 0x101:
+ modrm = cpu_ldub_code(env, s->pc++);
+ switch (modrm) {
+ CASE_MODRM_MEM_OP(0): /* sgdt */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ);
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_ld32u_tl(cpu_T0,
+ cpu_env, offsetof(CPUX86State, gdt.limit));
+ gen_op_st_v(s, MO_16, cpu_T0, cpu_A0);
+ gen_add_A0_im(s, 2);
+ tcg_gen_ld_tl(cpu_T0, cpu_env, offsetof(CPUX86State, gdt.base));
+ if (dflag == MO_16) {
+ tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
+ }
+ gen_op_st_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
+ break;
+
+ case 0xc8: /* monitor */
+ if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || s->cpl != 0) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ tcg_gen_mov_tl(cpu_A0, cpu_regs[R_EAX]);
+ gen_extu(s->aflag, cpu_A0);
+ gen_add_A0_ds_seg(s);
+ gen_helper_monitor(cpu_env, cpu_A0);
+ break;
+
+ case 0xc9: /* mwait */
+ if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || s->cpl != 0) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_mwait(cpu_env, tcg_const_i32(s->pc - pc_start));
+ gen_eob(s);
+ break;
+
+ case 0xca: /* clac */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_SMAP)
+ || s->cpl != 0) {
+ goto illegal_op;
+ }
+ gen_helper_clac(cpu_env);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ break;
+
+ case 0xcb: /* stac */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_SMAP)
+ || s->cpl != 0) {
+ goto illegal_op;
+ }
+ gen_helper_stac(cpu_env);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ break;
+
+ CASE_MODRM_MEM_OP(1): /* sidt */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ);
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State, idt.limit));
+ gen_op_st_v(s, MO_16, cpu_T0, cpu_A0);
+ gen_add_A0_im(s, 2);
+ tcg_gen_ld_tl(cpu_T0, cpu_env, offsetof(CPUX86State, idt.base));
+ if (dflag == MO_16) {
+ tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
+ }
+ gen_op_st_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
+ break;
+
+ case 0xd0: /* xgetbv */
+ if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
+ || (s->prefix & (PREFIX_LOCK | PREFIX_DATA
+ | PREFIX_REPZ | PREFIX_REPNZ))) {
+ goto illegal_op;
+ }
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
+ gen_helper_xgetbv(cpu_tmp1_i64, cpu_env, cpu_tmp2_i32);
+ tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], cpu_tmp1_i64);
+ break;
+
+ case 0xd1: /* xsetbv */
+ if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
+ || (s->prefix & (PREFIX_LOCK | PREFIX_DATA
+ | PREFIX_REPZ | PREFIX_REPNZ))) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
+ cpu_regs[R_EDX]);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
+ gen_helper_xsetbv(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64);
+ /* End TB because translation flags may change. */
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ break;
+
+ case 0xd8: /* VMRUN */
+ if (!(s->flags & HF_SVME_MASK) || !s->pe) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_vmrun(cpu_env, tcg_const_i32(s->aflag - 1),
+ tcg_const_i32(s->pc - pc_start));
+ tcg_gen_exit_tb(0);
+ s->is_jmp = DISAS_TB_JUMP;
+ break;
+
+ case 0xd9: /* VMMCALL */
+ if (!(s->flags & HF_SVME_MASK)) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_vmmcall(cpu_env);
+ break;
+
+ case 0xda: /* VMLOAD */
+ if (!(s->flags & HF_SVME_MASK) || !s->pe) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_vmload(cpu_env, tcg_const_i32(s->aflag - 1));
+ break;
+
+ case 0xdb: /* VMSAVE */
+ if (!(s->flags & HF_SVME_MASK) || !s->pe) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_vmsave(cpu_env, tcg_const_i32(s->aflag - 1));
+ break;
+
+ case 0xdc: /* STGI */
+ if ((!(s->flags & HF_SVME_MASK)
+ && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT))
+ || !s->pe) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_stgi(cpu_env);
+ break;
+
+ case 0xdd: /* CLGI */
+ if (!(s->flags & HF_SVME_MASK) || !s->pe) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_clgi(cpu_env);
+ break;
+
+ case 0xde: /* SKINIT */
+ if ((!(s->flags & HF_SVME_MASK)
+ && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT))
+ || !s->pe) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_skinit(cpu_env);
+ break;
+
+ case 0xdf: /* INVLPGA */
+ if (!(s->flags & HF_SVME_MASK) || !s->pe) {
+ goto illegal_op;
+ }
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_helper_invlpga(cpu_env, tcg_const_i32(s->aflag - 1));
+ break;
+
+ CASE_MODRM_MEM_OP(2): /* lgdt */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_WRITE);
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, MO_16, cpu_T1, cpu_A0);
+ gen_add_A0_im(s, 2);
+ gen_op_ld_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
+ if (dflag == MO_16) {
+ tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
+ }
+ tcg_gen_st_tl(cpu_T0, cpu_env, offsetof(CPUX86State, gdt.base));
+ tcg_gen_st32_tl(cpu_T1, cpu_env, offsetof(CPUX86State, gdt.limit));
+ break;
+
+ CASE_MODRM_MEM_OP(3): /* lidt */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_WRITE);
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, MO_16, cpu_T1, cpu_A0);
+ gen_add_A0_im(s, 2);
+ gen_op_ld_v(s, CODE64(s) + MO_32, cpu_T0, cpu_A0);
+ if (dflag == MO_16) {
+ tcg_gen_andi_tl(cpu_T0, cpu_T0, 0xffffff);
+ }
+ tcg_gen_st_tl(cpu_T0, cpu_env, offsetof(CPUX86State, idt.base));
+ tcg_gen_st32_tl(cpu_T1, cpu_env, offsetof(CPUX86State, idt.limit));
+ break;
+
+ CASE_MODRM_OP(4): /* smsw */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0);
+ tcg_gen_ld_tl(cpu_T0, cpu_env, offsetof(CPUX86State, cr[0]));
+ if (CODE64(s)) {
+ mod = (modrm >> 6) & 3;
+ ot = (mod != 3 ? MO_16 : s->dflag);
+ } else {
+ ot = MO_16;
+ }
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1);
+ break;
+ case 0xee: /* rdpkru */
+ if (prefixes & PREFIX_LOCK) {
+ goto illegal_op;
+ }
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
+ gen_helper_rdpkru(cpu_tmp1_i64, cpu_env, cpu_tmp2_i32);
+ tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], cpu_tmp1_i64);
+ break;
+ case 0xef: /* wrpkru */
+ if (prefixes & PREFIX_LOCK) {
+ goto illegal_op;
+ }
+ tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
+ cpu_regs[R_EDX]);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_ECX]);
+ gen_helper_wrpkru(cpu_env, cpu_tmp2_i32, cpu_tmp1_i64);
+ break;
+ CASE_MODRM_OP(6): /* lmsw */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ gen_helper_lmsw(cpu_env, cpu_T0);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ break;
+
+ CASE_MODRM_MEM_OP(7): /* invlpg */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ break;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ gen_lea_modrm(env, s, modrm);
+ gen_helper_invlpg(cpu_env, cpu_A0);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ break;
+
+ case 0xf8: /* swapgs */
+#ifdef TARGET_X86_64
+ if (CODE64(s)) {
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ tcg_gen_mov_tl(cpu_T0, cpu_seg_base[R_GS]);
+ tcg_gen_ld_tl(cpu_seg_base[R_GS], cpu_env,
+ offsetof(CPUX86State, kernelgsbase));
+ tcg_gen_st_tl(cpu_T0, cpu_env,
+ offsetof(CPUX86State, kernelgsbase));
+ }
+ break;
+ }
+#endif
+ goto illegal_op;
+
+ case 0xf9: /* rdtscp */
+ if (!(s->cpuid_ext2_features & CPUID_EXT2_RDTSCP)) {
+ goto illegal_op;
+ }
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_start();
+ }
+ gen_helper_rdtscp(cpu_env);
+ if (s->tb->cflags & CF_USE_ICOUNT) {
+ gen_io_end();
+ gen_jmp(s, s->pc - s->cs_base);
+ }
+ break;
+
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ case 0x108: /* invd */
+ case 0x109: /* wbinvd */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD);
+ /* nothing to do */
+ }
+ break;
+ case 0x63: /* arpl or movslS (x86_64) */
+#ifdef TARGET_X86_64
+ if (CODE64(s)) {
+ int d_ot;
+ /* d_ot is the size of destination */
+ d_ot = dflag;
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ mod = (modrm >> 6) & 3;
+ rm = (modrm & 7) | REX_B(s);
+
+ if (mod == 3) {
+ gen_op_mov_v_reg(MO_32, cpu_T0, rm);
+ /* sign extend */
+ if (d_ot == MO_64) {
+ tcg_gen_ext32s_tl(cpu_T0, cpu_T0);
+ }
+ gen_op_mov_reg_v(d_ot, reg, cpu_T0);
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, MO_32 | MO_SIGN, cpu_T0, cpu_A0);
+ gen_op_mov_reg_v(d_ot, reg, cpu_T0);
+ }
+ } else
+#endif
+ {
+ TCGLabel *label1;
+ TCGv t0, t1, t2, a0;
+
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ t0 = tcg_temp_local_new();
+ t1 = tcg_temp_local_new();
+ t2 = tcg_temp_local_new();
+ ot = MO_16;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = (modrm >> 3) & 7;
+ mod = (modrm >> 6) & 3;
+ rm = modrm & 7;
+ if (mod != 3) {
+ gen_lea_modrm(env, s, modrm);
+ gen_op_ld_v(s, ot, t0, cpu_A0);
+ a0 = tcg_temp_local_new();
+ tcg_gen_mov_tl(a0, cpu_A0);
+ } else {
+ gen_op_mov_v_reg(ot, t0, rm);
+ TCGV_UNUSED(a0);
+ }
+ gen_op_mov_v_reg(ot, t1, reg);
+ tcg_gen_andi_tl(cpu_tmp0, t0, 3);
+ tcg_gen_andi_tl(t1, t1, 3);
+ tcg_gen_movi_tl(t2, 0);
+ label1 = gen_new_label();
+ tcg_gen_brcond_tl(TCG_COND_GE, cpu_tmp0, t1, label1);
+ tcg_gen_andi_tl(t0, t0, ~3);
+ tcg_gen_or_tl(t0, t0, t1);
+ tcg_gen_movi_tl(t2, CC_Z);
+ gen_set_label(label1);
+ if (mod != 3) {
+ gen_op_st_v(s, ot, t0, a0);
+ tcg_temp_free(a0);
+ } else {
+ gen_op_mov_reg_v(ot, rm, t0);
+ }
+ gen_compute_eflags(s);
+ tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~CC_Z);
+ tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t2);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+ tcg_temp_free(t2);
+ }
+ break;
+ case 0x102: /* lar */
+ case 0x103: /* lsl */
+ {
+ TCGLabel *label1;
+ TCGv t0;
+ if (!s->pe || s->vm86)
+ goto illegal_op;
+ ot = dflag != MO_16 ? MO_32 : MO_16;
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0);
+ t0 = tcg_temp_local_new();
+ gen_update_cc_op(s);
+ if (b == 0x102) {
+ gen_helper_lar(t0, cpu_env, cpu_T0);
+ } else {
+ gen_helper_lsl(t0, cpu_env, cpu_T0);
+ }
+ tcg_gen_andi_tl(cpu_tmp0, cpu_cc_src, CC_Z);
+ label1 = gen_new_label();
+ tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
+ gen_op_mov_reg_v(ot, reg, t0);
+ gen_set_label(label1);
+ set_cc_op(s, CC_OP_EFLAGS);
+ tcg_temp_free(t0);
+ }
+ break;
+ case 0x118:
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ op = (modrm >> 3) & 7;
+ switch(op) {
+ case 0: /* prefetchnta */
+ case 1: /* prefetchnt0 */
+ case 2: /* prefetchnt0 */
+ case 3: /* prefetchnt0 */
+ if (mod == 3)
+ goto illegal_op;
+ gen_nop_modrm(env, s, modrm);
+ /* nothing more to do */
+ break;
+ default: /* nop (multi byte) */
+ gen_nop_modrm(env, s, modrm);
+ break;
+ }
+ break;
+ case 0x11a:
+ modrm = cpu_ldub_code(env, s->pc++);
+ if (s->flags & HF_MPX_EN_MASK) {
+ mod = (modrm >> 6) & 3;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ if (prefixes & PREFIX_REPZ) {
+ /* bndcl */
+ if (reg >= 4
+ || (prefixes & PREFIX_LOCK)
+ || s->aflag == MO_16) {
+ goto illegal_op;
+ }
+ gen_bndck(env, s, modrm, TCG_COND_LTU, cpu_bndl[reg]);
+ } else if (prefixes & PREFIX_REPNZ) {
+ /* bndcu */
+ if (reg >= 4
+ || (prefixes & PREFIX_LOCK)
+ || s->aflag == MO_16) {
+ goto illegal_op;
+ }
+ TCGv_i64 notu = tcg_temp_new_i64();
+ tcg_gen_not_i64(notu, cpu_bndu[reg]);
+ gen_bndck(env, s, modrm, TCG_COND_GTU, notu);
+ tcg_temp_free_i64(notu);
+ } else if (prefixes & PREFIX_DATA) {
+ /* bndmov -- from reg/mem */
+ if (reg >= 4 || s->aflag == MO_16) {
+ goto illegal_op;
+ }
+ if (mod == 3) {
+ int reg2 = (modrm & 7) | REX_B(s);
+ if (reg2 >= 4 || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ if (s->flags & HF_MPX_IU_MASK) {
+ tcg_gen_mov_i64(cpu_bndl[reg], cpu_bndl[reg2]);
+ tcg_gen_mov_i64(cpu_bndu[reg], cpu_bndu[reg2]);
+ }
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ if (CODE64(s)) {
+ tcg_gen_qemu_ld_i64(cpu_bndl[reg], cpu_A0,
+ s->mem_index, MO_LEQ);
+ tcg_gen_addi_tl(cpu_A0, cpu_A0, 8);
+ tcg_gen_qemu_ld_i64(cpu_bndu[reg], cpu_A0,
+ s->mem_index, MO_LEQ);
+ } else {
+ tcg_gen_qemu_ld_i64(cpu_bndl[reg], cpu_A0,
+ s->mem_index, MO_LEUL);
+ tcg_gen_addi_tl(cpu_A0, cpu_A0, 4);
+ tcg_gen_qemu_ld_i64(cpu_bndu[reg], cpu_A0,
+ s->mem_index, MO_LEUL);
+ }
+ /* bnd registers are now in-use */
+ gen_set_hflag(s, HF_MPX_IU_MASK);
+ }
+ } else if (mod != 3) {
+ /* bndldx */
+ AddressParts a = gen_lea_modrm_0(env, s, modrm);
+ if (reg >= 4
+ || (prefixes & PREFIX_LOCK)
+ || s->aflag == MO_16
+ || a.base < -1) {
+ goto illegal_op;
+ }
+ if (a.base >= 0) {
+ tcg_gen_addi_tl(cpu_A0, cpu_regs[a.base], a.disp);
+ } else {
+ tcg_gen_movi_tl(cpu_A0, 0);
+ }
+ gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override);
+ if (a.index >= 0) {
+ tcg_gen_mov_tl(cpu_T0, cpu_regs[a.index]);
+ } else {
+ tcg_gen_movi_tl(cpu_T0, 0);
+ }
+ if (CODE64(s)) {
+ gen_helper_bndldx64(cpu_bndl[reg], cpu_env, cpu_A0, cpu_T0);
+ tcg_gen_ld_i64(cpu_bndu[reg], cpu_env,
+ offsetof(CPUX86State, mmx_t0.MMX_Q(0)));
+ } else {
+ gen_helper_bndldx32(cpu_bndu[reg], cpu_env, cpu_A0, cpu_T0);
+ tcg_gen_ext32u_i64(cpu_bndl[reg], cpu_bndu[reg]);
+ tcg_gen_shri_i64(cpu_bndu[reg], cpu_bndu[reg], 32);
+ }
+ gen_set_hflag(s, HF_MPX_IU_MASK);
+ }
+ }
+ gen_nop_modrm(env, s, modrm);
+ break;
+ case 0x11b:
+ modrm = cpu_ldub_code(env, s->pc++);
+ if (s->flags & HF_MPX_EN_MASK) {
+ mod = (modrm >> 6) & 3;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ if (mod != 3 && (prefixes & PREFIX_REPZ)) {
+ /* bndmk */
+ if (reg >= 4
+ || (prefixes & PREFIX_LOCK)
+ || s->aflag == MO_16) {
+ goto illegal_op;
+ }
+ AddressParts a = gen_lea_modrm_0(env, s, modrm);
+ if (a.base >= 0) {
+ tcg_gen_extu_tl_i64(cpu_bndl[reg], cpu_regs[a.base]);
+ if (!CODE64(s)) {
+ tcg_gen_ext32u_i64(cpu_bndl[reg], cpu_bndl[reg]);
+ }
+ } else if (a.base == -1) {
+ /* no base register has lower bound of 0 */
+ tcg_gen_movi_i64(cpu_bndl[reg], 0);
+ } else {
+ /* rip-relative generates #ud */
+ goto illegal_op;
+ }
+ tcg_gen_not_tl(cpu_A0, gen_lea_modrm_1(a));
+ if (!CODE64(s)) {
+ tcg_gen_ext32u_tl(cpu_A0, cpu_A0);
+ }
+ tcg_gen_extu_tl_i64(cpu_bndu[reg], cpu_A0);
+ /* bnd registers are now in-use */
+ gen_set_hflag(s, HF_MPX_IU_MASK);
+ break;
+ } else if (prefixes & PREFIX_REPNZ) {
+ /* bndcn */
+ if (reg >= 4
+ || (prefixes & PREFIX_LOCK)
+ || s->aflag == MO_16) {
+ goto illegal_op;
+ }
+ gen_bndck(env, s, modrm, TCG_COND_GTU, cpu_bndu[reg]);
+ } else if (prefixes & PREFIX_DATA) {
+ /* bndmov -- to reg/mem */
+ if (reg >= 4 || s->aflag == MO_16) {
+ goto illegal_op;
+ }
+ if (mod == 3) {
+ int reg2 = (modrm & 7) | REX_B(s);
+ if (reg2 >= 4 || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ if (s->flags & HF_MPX_IU_MASK) {
+ tcg_gen_mov_i64(cpu_bndl[reg2], cpu_bndl[reg]);
+ tcg_gen_mov_i64(cpu_bndu[reg2], cpu_bndu[reg]);
+ }
+ } else {
+ gen_lea_modrm(env, s, modrm);
+ if (CODE64(s)) {
+ tcg_gen_qemu_st_i64(cpu_bndl[reg], cpu_A0,
+ s->mem_index, MO_LEQ);
+ tcg_gen_addi_tl(cpu_A0, cpu_A0, 8);
+ tcg_gen_qemu_st_i64(cpu_bndu[reg], cpu_A0,
+ s->mem_index, MO_LEQ);
+ } else {
+ tcg_gen_qemu_st_i64(cpu_bndl[reg], cpu_A0,
+ s->mem_index, MO_LEUL);
+ tcg_gen_addi_tl(cpu_A0, cpu_A0, 4);
+ tcg_gen_qemu_st_i64(cpu_bndu[reg], cpu_A0,
+ s->mem_index, MO_LEUL);
+ }
+ }
+ } else if (mod != 3) {
+ /* bndstx */
+ AddressParts a = gen_lea_modrm_0(env, s, modrm);
+ if (reg >= 4
+ || (prefixes & PREFIX_LOCK)
+ || s->aflag == MO_16
+ || a.base < -1) {
+ goto illegal_op;
+ }
+ if (a.base >= 0) {
+ tcg_gen_addi_tl(cpu_A0, cpu_regs[a.base], a.disp);
+ } else {
+ tcg_gen_movi_tl(cpu_A0, 0);
+ }
+ gen_lea_v_seg(s, s->aflag, cpu_A0, a.def_seg, s->override);
+ if (a.index >= 0) {
+ tcg_gen_mov_tl(cpu_T0, cpu_regs[a.index]);
+ } else {
+ tcg_gen_movi_tl(cpu_T0, 0);
+ }
+ if (CODE64(s)) {
+ gen_helper_bndstx64(cpu_env, cpu_A0, cpu_T0,
+ cpu_bndl[reg], cpu_bndu[reg]);
+ } else {
+ gen_helper_bndstx32(cpu_env, cpu_A0, cpu_T0,
+ cpu_bndl[reg], cpu_bndu[reg]);
+ }
+ }
+ }
+ gen_nop_modrm(env, s, modrm);
+ break;
+ case 0x119: case 0x11c ... 0x11f: /* nop (multi byte) */
+ modrm = cpu_ldub_code(env, s->pc++);
+ gen_nop_modrm(env, s, modrm);
+ break;
+ case 0x120: /* mov reg, crN */
+ case 0x122: /* mov crN, reg */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ modrm = cpu_ldub_code(env, s->pc++);
+ /* Ignore the mod bits (assume (modrm&0xc0)==0xc0).
+ * AMD documentation (24594.pdf) and testing of
+ * intel 386 and 486 processors all show that the mod bits
+ * are assumed to be 1's, regardless of actual values.
+ */
+ rm = (modrm & 7) | REX_B(s);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ if (CODE64(s))
+ ot = MO_64;
+ else
+ ot = MO_32;
+ if ((prefixes & PREFIX_LOCK) && (reg == 0) &&
+ (s->cpuid_ext3_features & CPUID_EXT3_CR8LEG)) {
+ reg = 8;
+ }
+ switch(reg) {
+ case 0:
+ case 2:
+ case 3:
+ case 4:
+ case 8:
+ gen_update_cc_op(s);
+ gen_jmp_im(pc_start - s->cs_base);
+ if (b & 2) {
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ gen_helper_write_crN(cpu_env, tcg_const_i32(reg),
+ cpu_T0);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ } else {
+ gen_helper_read_crN(cpu_T0, cpu_env, tcg_const_i32(reg));
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ }
+ break;
+ default:
+ goto unknown_op;
+ }
+ }
+ break;
+ case 0x121: /* mov reg, drN */
+ case 0x123: /* mov drN, reg */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ modrm = cpu_ldub_code(env, s->pc++);
+ /* Ignore the mod bits (assume (modrm&0xc0)==0xc0).
+ * AMD documentation (24594.pdf) and testing of
+ * intel 386 and 486 processors all show that the mod bits
+ * are assumed to be 1's, regardless of actual values.
+ */
+ rm = (modrm & 7) | REX_B(s);
+ reg = ((modrm >> 3) & 7) | rex_r;
+ if (CODE64(s))
+ ot = MO_64;
+ else
+ ot = MO_32;
+ if (reg >= 8) {
+ goto illegal_op;
+ }
+ if (b & 2) {
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + reg);
+ gen_op_mov_v_reg(ot, cpu_T0, rm);
+ tcg_gen_movi_i32(cpu_tmp2_i32, reg);
+ gen_helper_set_dr(cpu_env, cpu_tmp2_i32, cpu_T0);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ } else {
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + reg);
+ tcg_gen_movi_i32(cpu_tmp2_i32, reg);
+ gen_helper_get_dr(cpu_T0, cpu_env, cpu_tmp2_i32);
+ gen_op_mov_reg_v(ot, rm, cpu_T0);
+ }
+ }
+ break;
+ case 0x106: /* clts */
+ if (s->cpl != 0) {
+ gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base);
+ } else {
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0);
+ gen_helper_clts(cpu_env);
+ /* abort block because static cpu state changed */
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ }
+ break;
+ /* MMX/3DNow!/SSE/SSE2/SSE3/SSSE3/SSE4 support */
+ case 0x1c3: /* MOVNTI reg, mem */
+ if (!(s->cpuid_features & CPUID_SSE2))
+ goto illegal_op;
+ ot = mo_64_32(dflag);
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ if (mod == 3)
+ goto illegal_op;
+ reg = ((modrm >> 3) & 7) | rex_r;
+ /* generate a generic store */
+ gen_ldst_modrm(env, s, modrm, ot, reg, 1);
+ break;
+ case 0x1ae:
+ modrm = cpu_ldub_code(env, s->pc++);
+ switch (modrm) {
+ CASE_MODRM_MEM_OP(0): /* fxsave */
+ if (!(s->cpuid_features & CPUID_FXSR)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ if ((s->flags & HF_EM_MASK) || (s->flags & HF_TS_MASK)) {
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ break;
+ }
+ gen_lea_modrm(env, s, modrm);
+ gen_helper_fxsave(cpu_env, cpu_A0);
+ break;
+
+ CASE_MODRM_MEM_OP(1): /* fxrstor */
+ if (!(s->cpuid_features & CPUID_FXSR)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ if ((s->flags & HF_EM_MASK) || (s->flags & HF_TS_MASK)) {
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ break;
+ }
+ gen_lea_modrm(env, s, modrm);
+ gen_helper_fxrstor(cpu_env, cpu_A0);
+ break;
+
+ CASE_MODRM_MEM_OP(2): /* ldmxcsr */
+ if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK)) {
+ goto illegal_op;
+ }
+ if (s->flags & HF_TS_MASK) {
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ break;
+ }
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0, s->mem_index, MO_LEUL);
+ gen_helper_ldmxcsr(cpu_env, cpu_tmp2_i32);
+ break;
+
+ CASE_MODRM_MEM_OP(3): /* stmxcsr */
+ if ((s->flags & HF_EM_MASK) || !(s->flags & HF_OSFXSR_MASK)) {
+ goto illegal_op;
+ }
+ if (s->flags & HF_TS_MASK) {
+ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base);
+ break;
+ }
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_ld32u_tl(cpu_T0, cpu_env, offsetof(CPUX86State, mxcsr));
+ gen_op_st_v(s, MO_32, cpu_T0, cpu_A0);
+ break;
+
+ CASE_MODRM_MEM_OP(4): /* xsave */
+ if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
+ || (prefixes & (PREFIX_LOCK | PREFIX_DATA
+ | PREFIX_REPZ | PREFIX_REPNZ))) {
+ goto illegal_op;
+ }
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
+ cpu_regs[R_EDX]);
+ gen_helper_xsave(cpu_env, cpu_A0, cpu_tmp1_i64);
+ break;
+
+ CASE_MODRM_MEM_OP(5): /* xrstor */
+ if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
+ || (prefixes & (PREFIX_LOCK | PREFIX_DATA
+ | PREFIX_REPZ | PREFIX_REPNZ))) {
+ goto illegal_op;
+ }
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
+ cpu_regs[R_EDX]);
+ gen_helper_xrstor(cpu_env, cpu_A0, cpu_tmp1_i64);
+ /* XRSTOR is how MPX is enabled, which changes how
+ we translate. Thus we need to end the TB. */
+ gen_update_cc_op(s);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_eob(s);
+ break;
+
+ CASE_MODRM_MEM_OP(6): /* xsaveopt / clwb */
+ if (prefixes & PREFIX_LOCK) {
+ goto illegal_op;
+ }
+ if (prefixes & PREFIX_DATA) {
+ /* clwb */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_CLWB)) {
+ goto illegal_op;
+ }
+ gen_nop_modrm(env, s, modrm);
+ } else {
+ /* xsaveopt */
+ if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
+ || (s->cpuid_xsave_features & CPUID_XSAVE_XSAVEOPT) == 0
+ || (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))) {
+ goto illegal_op;
+ }
+ gen_lea_modrm(env, s, modrm);
+ tcg_gen_concat_tl_i64(cpu_tmp1_i64, cpu_regs[R_EAX],
+ cpu_regs[R_EDX]);
+ gen_helper_xsaveopt(cpu_env, cpu_A0, cpu_tmp1_i64);
+ }
+ break;
+
+ CASE_MODRM_MEM_OP(7): /* clflush / clflushopt */
+ if (prefixes & PREFIX_LOCK) {
+ goto illegal_op;
+ }
+ if (prefixes & PREFIX_DATA) {
+ /* clflushopt */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_CLFLUSHOPT)) {
+ goto illegal_op;
+ }
+ } else {
+ /* clflush */
+ if ((s->prefix & (PREFIX_REPZ | PREFIX_REPNZ))
+ || !(s->cpuid_features & CPUID_CLFLUSH)) {
+ goto illegal_op;
+ }
+ }
+ gen_nop_modrm(env, s, modrm);
+ break;
+
+ case 0xc0 ... 0xc7: /* rdfsbase (f3 0f ae /0) */
+ case 0xc8 ... 0xc8: /* rdgsbase (f3 0f ae /1) */
+ case 0xd0 ... 0xd7: /* wrfsbase (f3 0f ae /2) */
+ case 0xd8 ... 0xd8: /* wrgsbase (f3 0f ae /3) */
+ if (CODE64(s)
+ && (prefixes & PREFIX_REPZ)
+ && !(prefixes & PREFIX_LOCK)
+ && (s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_FSGSBASE)) {
+ TCGv base, treg, src, dst;
+
+ /* Preserve hflags bits by testing CR4 at runtime. */
+ tcg_gen_movi_i32(cpu_tmp2_i32, CR4_FSGSBASE_MASK);
+ gen_helper_cr4_testbit(cpu_env, cpu_tmp2_i32);
+
+ base = cpu_seg_base[modrm & 8 ? R_GS : R_FS];
+ treg = cpu_regs[(modrm & 7) | REX_B(s)];
+
+ if (modrm & 0x10) {
+ /* wr*base */
+ dst = base, src = treg;
+ } else {
+ /* rd*base */
+ dst = treg, src = base;
+ }
+
+ if (s->dflag == MO_32) {
+ tcg_gen_ext32u_tl(dst, src);
+ } else {
+ tcg_gen_mov_tl(dst, src);
+ }
+ break;
+ }
+ goto unknown_op;
+
+ case 0xf8: /* sfence / pcommit */
+ if (prefixes & PREFIX_DATA) {
+ /* pcommit */
+ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_PCOMMIT)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ break;
+ }
+ /* fallthru */
+ case 0xf9 ... 0xff: /* sfence */
+ if (!(s->cpuid_features & CPUID_SSE)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ tcg_gen_mb(TCG_MO_ST_ST | TCG_BAR_SC);
+ break;
+ case 0xe8 ... 0xef: /* lfence */
+ if (!(s->cpuid_features & CPUID_SSE)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ tcg_gen_mb(TCG_MO_LD_LD | TCG_BAR_SC);
+ break;
+ case 0xf0 ... 0xf7: /* mfence */
+ if (!(s->cpuid_features & CPUID_SSE2)
+ || (prefixes & PREFIX_LOCK)) {
+ goto illegal_op;
+ }
+ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
+ break;
+
+ default:
+ goto unknown_op;
+ }
+ break;
+
+ case 0x10d: /* 3DNow! prefetch(w) */
+ modrm = cpu_ldub_code(env, s->pc++);
+ mod = (modrm >> 6) & 3;
+ if (mod == 3)
+ goto illegal_op;
+ gen_nop_modrm(env, s, modrm);
+ break;
+ case 0x1aa: /* rsm */
+ gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM);
+ if (!(s->flags & HF_SMM_MASK))
+ goto illegal_op;
+ gen_update_cc_op(s);
+ gen_jmp_im(s->pc - s->cs_base);
+ gen_helper_rsm(cpu_env);
+ gen_eob(s);
+ break;
+ case 0x1b8: /* SSE4.2 popcnt */
+ if ((prefixes & (PREFIX_REPZ | PREFIX_LOCK | PREFIX_REPNZ)) !=
+ PREFIX_REPZ)
+ goto illegal_op;
+ if (!(s->cpuid_ext_features & CPUID_EXT_POPCNT))
+ goto illegal_op;
+
+ modrm = cpu_ldub_code(env, s->pc++);
+ reg = ((modrm >> 3) & 7) | rex_r;
+
+ if (s->prefix & PREFIX_DATA) {
+ ot = MO_16;
+ } else {
+ ot = mo_64_32(dflag);
+ }
+
+ gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0);
+ gen_helper_popcnt(cpu_T0, cpu_env, cpu_T0, tcg_const_i32(ot));
+ gen_op_mov_reg_v(ot, reg, cpu_T0);
+
+ set_cc_op(s, CC_OP_EFLAGS);
+ break;
+ case 0x10e ... 0x10f:
+ /* 3DNow! instructions, ignore prefixes */
+ s->prefix &= ~(PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA);
+ case 0x110 ... 0x117:
+ case 0x128 ... 0x12f:
+ case 0x138 ... 0x13a:
+ case 0x150 ... 0x179:
+ case 0x17c ... 0x17f:
+ case 0x1c2:
+ case 0x1c4 ... 0x1c6:
+ case 0x1d0 ... 0x1fe:
+ gen_sse(env, s, b, pc_start, rex_r);
+ break;
+ default:
+ goto unknown_op;
+ }
+ return s->pc;
+ illegal_op:
+ gen_illegal_opcode(s);
+ return s->pc;
+ unknown_op:
+ gen_unknown_opcode(env, s);
+ return s->pc;
+}
+
+void tcg_x86_init(void)
+{
+ static const char reg_names[CPU_NB_REGS][4] = {
+#ifdef TARGET_X86_64
+ [R_EAX] = "rax",
+ [R_EBX] = "rbx",
+ [R_ECX] = "rcx",
+ [R_EDX] = "rdx",
+ [R_ESI] = "rsi",
+ [R_EDI] = "rdi",
+ [R_EBP] = "rbp",
+ [R_ESP] = "rsp",
+ [8] = "r8",
+ [9] = "r9",
+ [10] = "r10",
+ [11] = "r11",
+ [12] = "r12",
+ [13] = "r13",
+ [14] = "r14",
+ [15] = "r15",
+#else
+ [R_EAX] = "eax",
+ [R_EBX] = "ebx",
+ [R_ECX] = "ecx",
+ [R_EDX] = "edx",
+ [R_ESI] = "esi",
+ [R_EDI] = "edi",
+ [R_EBP] = "ebp",
+ [R_ESP] = "esp",
+#endif
+ };
+ static const char seg_base_names[6][8] = {
+ [R_CS] = "cs_base",
+ [R_DS] = "ds_base",
+ [R_ES] = "es_base",
+ [R_FS] = "fs_base",
+ [R_GS] = "gs_base",
+ [R_SS] = "ss_base",
+ };
+ static const char bnd_regl_names[4][8] = {
+ "bnd0_lb", "bnd1_lb", "bnd2_lb", "bnd3_lb"
+ };
+ static const char bnd_regu_names[4][8] = {
+ "bnd0_ub", "bnd1_ub", "bnd2_ub", "bnd3_ub"
+ };
+ int i;
+ static bool initialized;
+
+ if (initialized) {
+ return;
+ }
+ initialized = true;
+
+ cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
+ tcg_ctx.tcg_env = cpu_env;
+ cpu_cc_op = tcg_global_mem_new_i32(cpu_env,
+ offsetof(CPUX86State, cc_op), "cc_op");
+ cpu_cc_dst = tcg_global_mem_new(cpu_env, offsetof(CPUX86State, cc_dst),
+ "cc_dst");
+ cpu_cc_src = tcg_global_mem_new(cpu_env, offsetof(CPUX86State, cc_src),
+ "cc_src");
+ cpu_cc_src2 = tcg_global_mem_new(cpu_env, offsetof(CPUX86State, cc_src2),
+ "cc_src2");
+
+ for (i = 0; i < CPU_NB_REGS; ++i) {
+ cpu_regs[i] = tcg_global_mem_new(cpu_env,
+ offsetof(CPUX86State, regs[i]),
+ reg_names[i]);
+ }
+
+ for (i = 0; i < 6; ++i) {
+ cpu_seg_base[i]
+ = tcg_global_mem_new(cpu_env,
+ offsetof(CPUX86State, segs[i].base),
+ seg_base_names[i]);
+ }
+
+ for (i = 0; i < 4; ++i) {
+ cpu_bndl[i]
+ = tcg_global_mem_new_i64(cpu_env,
+ offsetof(CPUX86State, bnd_regs[i].lb),
+ bnd_regl_names[i]);
+ cpu_bndu[i]
+ = tcg_global_mem_new_i64(cpu_env,
+ offsetof(CPUX86State, bnd_regs[i].ub),
+ bnd_regu_names[i]);
+ }
+}
+
+/* generate intermediate code for basic block 'tb'. */
+void gen_intermediate_code(CPUX86State *env, TranslationBlock *tb)
+{
+ X86CPU *cpu = x86_env_get_cpu(env);
+ CPUState *cs = CPU(cpu);
+ DisasContext dc1, *dc = &dc1;
+ target_ulong pc_ptr;
+ uint32_t flags;
+ target_ulong pc_start;
+ target_ulong cs_base;
+ int num_insns;
+ int max_insns;
+
+ /* generate intermediate code */
+ pc_start = tb->pc;
+ cs_base = tb->cs_base;
+ flags = tb->flags;
+
+ dc->pe = (flags >> HF_PE_SHIFT) & 1;
+ dc->code32 = (flags >> HF_CS32_SHIFT) & 1;
+ dc->ss32 = (flags >> HF_SS32_SHIFT) & 1;
+ dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1;
+ dc->f_st = 0;
+ dc->vm86 = (flags >> VM_SHIFT) & 1;
+ dc->cpl = (flags >> HF_CPL_SHIFT) & 3;
+ dc->iopl = (flags >> IOPL_SHIFT) & 3;
+ dc->tf = (flags >> TF_SHIFT) & 1;
+ dc->singlestep_enabled = cs->singlestep_enabled;
+ dc->cc_op = CC_OP_DYNAMIC;
+ dc->cc_op_dirty = false;
+ dc->cs_base = cs_base;
+ dc->tb = tb;
+ dc->popl_esp_hack = 0;
+ /* select memory access functions */
+ dc->mem_index = 0;
+#ifdef CONFIG_SOFTMMU
+ dc->mem_index = cpu_mmu_index(env, false);
+#endif
+ dc->cpuid_features = env->features[FEAT_1_EDX];
+ dc->cpuid_ext_features = env->features[FEAT_1_ECX];
+ dc->cpuid_ext2_features = env->features[FEAT_8000_0001_EDX];
+ dc->cpuid_ext3_features = env->features[FEAT_8000_0001_ECX];
+ dc->cpuid_7_0_ebx_features = env->features[FEAT_7_0_EBX];
+ dc->cpuid_xsave_features = env->features[FEAT_XSAVE];
+#ifdef TARGET_X86_64
+ dc->lma = (flags >> HF_LMA_SHIFT) & 1;
+ dc->code64 = (flags >> HF_CS64_SHIFT) & 1;
+#endif
+ dc->flags = flags;
+ dc->jmp_opt = !(dc->tf || cs->singlestep_enabled ||
+ (flags & HF_INHIBIT_IRQ_MASK));
+ /* Do not optimize repz jumps at all in icount mode, because
+ rep movsS instructions are execured with different paths
+ in !repz_opt and repz_opt modes. The first one was used
+ always except single step mode. And this setting
+ disables jumps optimization and control paths become
+ equivalent in run and single step modes.
+ Now there will be no jump optimization for repz in
+ record/replay modes and there will always be an
+ additional step for ecx=0 when icount is enabled.
+ */
+ dc->repz_opt = !dc->jmp_opt && !(tb->cflags & CF_USE_ICOUNT);
+#if 0
+ /* check addseg logic */
+ if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32))
+ printf("ERROR addseg\n");
+#endif
+
+ cpu_T0 = tcg_temp_new();
+ cpu_T1 = tcg_temp_new();
+ cpu_A0 = tcg_temp_new();
+
+ cpu_tmp0 = tcg_temp_new();
+ cpu_tmp1_i64 = tcg_temp_new_i64();
+ cpu_tmp2_i32 = tcg_temp_new_i32();
+ cpu_tmp3_i32 = tcg_temp_new_i32();
+ cpu_tmp4 = tcg_temp_new();
+ cpu_ptr0 = tcg_temp_new_ptr();
+ cpu_ptr1 = tcg_temp_new_ptr();
+ cpu_cc_srcT = tcg_temp_local_new();
+
+ dc->is_jmp = DISAS_NEXT;
+ pc_ptr = pc_start;
+ num_insns = 0;
+ max_insns = tb->cflags & CF_COUNT_MASK;
+ if (max_insns == 0) {
+ max_insns = CF_COUNT_MASK;
+ }
+ if (max_insns > TCG_MAX_INSNS) {
+ max_insns = TCG_MAX_INSNS;
+ }
+
+ gen_tb_start(tb);
+ for(;;) {
+ tcg_gen_insn_start(pc_ptr, dc->cc_op);
+ num_insns++;
+
+ /* If RF is set, suppress an internally generated breakpoint. */
+ if (unlikely(cpu_breakpoint_test(cs, pc_ptr,
+ tb->flags & HF_RF_MASK
+ ? BP_GDB : BP_ANY))) {
+ gen_debug(dc, pc_ptr - dc->cs_base);
+ /* The address covered by the breakpoint must be included in
+ [tb->pc, tb->pc + tb->size) in order to for it to be
+ properly cleared -- thus we increment the PC here so that
+ the logic setting tb->size below does the right thing. */
+ pc_ptr += 1;
+ goto done_generating;
+ }
+ if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) {
+ gen_io_start();
+ }
+
+ pc_ptr = disas_insn(env, dc, pc_ptr);
+ /* stop translation if indicated */
+ if (dc->is_jmp)
+ break;
+ /* if single step mode, we generate only one instruction and
+ generate an exception */
+ /* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear
+ the flag and abort the translation to give the irqs a
+ change to be happen */
+ if (dc->tf || dc->singlestep_enabled ||
+ (flags & HF_INHIBIT_IRQ_MASK)) {
+ gen_jmp_im(pc_ptr - dc->cs_base);
+ gen_eob(dc);
+ break;
+ }
+ /* Do not cross the boundary of the pages in icount mode,
+ it can cause an exception. Do it only when boundary is
+ crossed by the first instruction in the block.
+ If current instruction already crossed the bound - it's ok,
+ because an exception hasn't stopped this code.
+ */
+ if ((tb->cflags & CF_USE_ICOUNT)
+ && ((pc_ptr & TARGET_PAGE_MASK)
+ != ((pc_ptr + TARGET_MAX_INSN_SIZE - 1) & TARGET_PAGE_MASK)
+ || (pc_ptr & ~TARGET_PAGE_MASK) == 0)) {
+ gen_jmp_im(pc_ptr - dc->cs_base);
+ gen_eob(dc);
+ break;
+ }
+ /* if too long translation, stop generation too */
+ if (tcg_op_buf_full() ||
+ (pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32) ||
+ num_insns >= max_insns) {
+ gen_jmp_im(pc_ptr - dc->cs_base);
+ gen_eob(dc);
+ break;
+ }
+ if (singlestep) {
+ gen_jmp_im(pc_ptr - dc->cs_base);
+ gen_eob(dc);
+ break;
+ }
+ }
+ if (tb->cflags & CF_LAST_IO)
+ gen_io_end();
+done_generating:
+ gen_tb_end(tb, num_insns);
+
+#ifdef DEBUG_DISAS
+ if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
+ && qemu_log_in_addr_range(pc_start)) {
+ int disas_flags;
+ qemu_log_lock();
+ qemu_log("----------------\n");
+ qemu_log("IN: %s\n", lookup_symbol(pc_start));
+#ifdef TARGET_X86_64
+ if (dc->code64)
+ disas_flags = 2;
+ else
+#endif
+ disas_flags = !dc->code32;
+ log_target_disas(cs, pc_start, pc_ptr - pc_start, disas_flags);
+ qemu_log("\n");
+ qemu_log_unlock();
+ }
+#endif
+
+ tb->size = pc_ptr - pc_start;
+ tb->icount = num_insns;
+}
+
+void restore_state_to_opc(CPUX86State *env, TranslationBlock *tb,
+ target_ulong *data)
+{
+ int cc_op = data[1];
+ env->eip = data[0] - tb->cs_base;
+ if (cc_op != CC_OP_DYNAMIC) {
+ env->cc_op = cc_op;
+ }
+}