target-ppc: add TLB_NEED_LOCAL_FLUSH flag

[thirdparty/qemu.git] / target-ppc / translate.c

/*
 *  PowerPC emulation for qemu: main translation routines.
 *
 *  Copyright (c) 2003-2007 Jocelyn Mayer
 *  Copyright (C) 2011 Freescale Semiconductor, Inc.
 *
 * 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 "cpu.h"
#include "disas/disas.h"
#include "exec/exec-all.h"
#include "tcg-op.h"
#include "qemu/host-utils.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 CPU_SINGLE_STEP 0x1
#define CPU_BRANCH_STEP 0x2
#define GDBSTUB_SINGLE_STEP 0x4

/* Include definitions for instructions classes and implementations flags */
//#define PPC_DEBUG_DISAS
//#define DO_PPC_STATISTICS

#ifdef PPC_DEBUG_DISAS
#  define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
#else
#  define LOG_DISAS(...) do { } while (0)
#endif
/*****************************************************************************/
/* Code translation helpers                                                  */

/* global register indexes */
static TCGv_env cpu_env;
static char cpu_reg_names[10*3 + 22*4 /* GPR */
    + 10*4 + 22*5 /* SPE GPRh */
    + 10*4 + 22*5 /* FPR */
    + 2*(10*6 + 22*7) /* AVRh, AVRl */
    + 10*5 + 22*6 /* VSR */
    + 8*5 /* CRF */];
static TCGv cpu_gpr[32];
static TCGv cpu_gprh[32];
static TCGv_i64 cpu_fpr[32];
static TCGv_i64 cpu_avrh[32], cpu_avrl[32];
static TCGv_i64 cpu_vsr[32];
static TCGv_i32 cpu_crf[8];
static TCGv cpu_nip;
static TCGv cpu_msr;
static TCGv cpu_ctr;
static TCGv cpu_lr;
#if defined(TARGET_PPC64)
static TCGv cpu_cfar;
#endif
static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca;
static TCGv cpu_reserve;
static TCGv cpu_fpscr;
static TCGv_i32 cpu_access_type;

#include "exec/gen-icount.h"

void ppc_translate_init(void)
{
    int i;
    char* p;
    size_t cpu_reg_names_size;
    static int done_init = 0;

    if (done_init)
        return;

    cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
    tcg_ctx.tcg_env = cpu_env;

    p = cpu_reg_names;
    cpu_reg_names_size = sizeof(cpu_reg_names);

    for (i = 0; i < 8; i++) {
        snprintf(p, cpu_reg_names_size, "crf%d", i);
        cpu_crf[i] = tcg_global_mem_new_i32(cpu_env,
                                            offsetof(CPUPPCState, crf[i]), p);
        p += 5;
        cpu_reg_names_size -= 5;
    }

    for (i = 0; i < 32; i++) {
        snprintf(p, cpu_reg_names_size, "r%d", i);
        cpu_gpr[i] = tcg_global_mem_new(cpu_env,
                                        offsetof(CPUPPCState, gpr[i]), p);
        p += (i < 10) ? 3 : 4;
        cpu_reg_names_size -= (i < 10) ? 3 : 4;
        snprintf(p, cpu_reg_names_size, "r%dH", i);
        cpu_gprh[i] = tcg_global_mem_new(cpu_env,
                                         offsetof(CPUPPCState, gprh[i]), p);
        p += (i < 10) ? 4 : 5;
        cpu_reg_names_size -= (i < 10) ? 4 : 5;

        snprintf(p, cpu_reg_names_size, "fp%d", i);
        cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env,
                                            offsetof(CPUPPCState, fpr[i]), p);
        p += (i < 10) ? 4 : 5;
        cpu_reg_names_size -= (i < 10) ? 4 : 5;

        snprintf(p, cpu_reg_names_size, "avr%dH", i);
#ifdef HOST_WORDS_BIGENDIAN
        cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
                                             offsetof(CPUPPCState, avr[i].u64[0]), p);
#else
        cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env,
                                             offsetof(CPUPPCState, avr[i].u64[1]), p);
#endif
        p += (i < 10) ? 6 : 7;
        cpu_reg_names_size -= (i < 10) ? 6 : 7;

        snprintf(p, cpu_reg_names_size, "avr%dL", i);
#ifdef HOST_WORDS_BIGENDIAN
        cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
                                             offsetof(CPUPPCState, avr[i].u64[1]), p);
#else
        cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env,
                                             offsetof(CPUPPCState, avr[i].u64[0]), p);
#endif
        p += (i < 10) ? 6 : 7;
        cpu_reg_names_size -= (i < 10) ? 6 : 7;
        snprintf(p, cpu_reg_names_size, "vsr%d", i);
        cpu_vsr[i] = tcg_global_mem_new_i64(cpu_env,
                                            offsetof(CPUPPCState, vsr[i]), p);
        p += (i < 10) ? 5 : 6;
        cpu_reg_names_size -= (i < 10) ? 5 : 6;
    }

    cpu_nip = tcg_global_mem_new(cpu_env,
                                 offsetof(CPUPPCState, nip), "nip");

    cpu_msr = tcg_global_mem_new(cpu_env,
                                 offsetof(CPUPPCState, msr), "msr");

    cpu_ctr = tcg_global_mem_new(cpu_env,
                                 offsetof(CPUPPCState, ctr), "ctr");

    cpu_lr = tcg_global_mem_new(cpu_env,
                                offsetof(CPUPPCState, lr), "lr");

#if defined(TARGET_PPC64)
    cpu_cfar = tcg_global_mem_new(cpu_env,
                                  offsetof(CPUPPCState, cfar), "cfar");
#endif

    cpu_xer = tcg_global_mem_new(cpu_env,
                                 offsetof(CPUPPCState, xer), "xer");
    cpu_so = tcg_global_mem_new(cpu_env,
                                offsetof(CPUPPCState, so), "SO");
    cpu_ov = tcg_global_mem_new(cpu_env,
                                offsetof(CPUPPCState, ov), "OV");
    cpu_ca = tcg_global_mem_new(cpu_env,
                                offsetof(CPUPPCState, ca), "CA");

    cpu_reserve = tcg_global_mem_new(cpu_env,
                                     offsetof(CPUPPCState, reserve_addr),
                                     "reserve_addr");

    cpu_fpscr = tcg_global_mem_new(cpu_env,
                                   offsetof(CPUPPCState, fpscr), "fpscr");

    cpu_access_type = tcg_global_mem_new_i32(cpu_env,
                                             offsetof(CPUPPCState, access_type), "access_type");

    done_init = 1;
}

/* internal defines */
struct DisasContext {
    struct TranslationBlock *tb;
    target_ulong nip;
    uint32_t opcode;
    uint32_t exception;
    /* Routine used to access memory */
    bool pr, hv, dr, le_mode;
    bool lazy_tlb_flush;
    bool need_access_type;
    int mem_idx;
    int access_type;
    /* Translation flags */
    TCGMemOp default_tcg_memop_mask;
#if defined(TARGET_PPC64)
    bool sf_mode;
    bool has_cfar;
#endif
    bool fpu_enabled;
    bool altivec_enabled;
    bool vsx_enabled;
    bool spe_enabled;
    bool tm_enabled;
    ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
    int singlestep_enabled;
    uint64_t insns_flags;
    uint64_t insns_flags2;
};

/* Return true iff byteswap is needed in a scalar memop */
static inline bool need_byteswap(const DisasContext *ctx)
{
#if defined(TARGET_WORDS_BIGENDIAN)
     return ctx->le_mode;
#else
     return !ctx->le_mode;
#endif
}

/* True when active word size < size of target_long.  */
#ifdef TARGET_PPC64
# define NARROW_MODE(C)  (!(C)->sf_mode)
#else
# define NARROW_MODE(C)  0
#endif

struct opc_handler_t {
    /* invalid bits for instruction 1 (Rc(opcode) == 0) */
    uint32_t inval1;
    /* invalid bits for instruction 2 (Rc(opcode) == 1) */
    uint32_t inval2;
    /* instruction type */
    uint64_t type;
    /* extended instruction type */
    uint64_t type2;
    /* handler */
    void (*handler)(DisasContext *ctx);
#if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
    const char *oname;
#endif
#if defined(DO_PPC_STATISTICS)
    uint64_t count;
#endif
};

static inline void gen_set_access_type(DisasContext *ctx, int access_type)
{
    if (ctx->need_access_type && ctx->access_type != access_type) {
        tcg_gen_movi_i32(cpu_access_type, access_type);
        ctx->access_type = access_type;
    }
}

static inline void gen_update_nip(DisasContext *ctx, target_ulong nip)
{
    if (NARROW_MODE(ctx)) {
        nip = (uint32_t)nip;
    }
    tcg_gen_movi_tl(cpu_nip, nip);
}

static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
{
    TCGv_i32 t0, t1;

    /* These are all synchronous exceptions, we set the PC back to
     * the faulting instruction
     */
    if (ctx->exception == POWERPC_EXCP_NONE) {
        gen_update_nip(ctx, ctx->nip - 4);
    }
    t0 = tcg_const_i32(excp);
    t1 = tcg_const_i32(error);
    gen_helper_raise_exception_err(cpu_env, t0, t1);
    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);
    ctx->exception = (excp);
}

static void gen_exception(DisasContext *ctx, uint32_t excp)
{
    TCGv_i32 t0;

    /* These are all synchronous exceptions, we set the PC back to
     * the faulting instruction
     */
    if (ctx->exception == POWERPC_EXCP_NONE) {
        gen_update_nip(ctx, ctx->nip - 4);
    }
    t0 = tcg_const_i32(excp);
    gen_helper_raise_exception(cpu_env, t0);
    tcg_temp_free_i32(t0);
    ctx->exception = (excp);
}

static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
                              target_ulong nip)
{
    TCGv_i32 t0;

    gen_update_nip(ctx, nip);
    t0 = tcg_const_i32(excp);
    gen_helper_raise_exception(cpu_env, t0);
    tcg_temp_free_i32(t0);
    ctx->exception = (excp);
}

static void gen_debug_exception(DisasContext *ctx)
{
    TCGv_i32 t0;

    /* These are all synchronous exceptions, we set the PC back to
     * the faulting instruction
     */
    if ((ctx->exception != POWERPC_EXCP_BRANCH) &&
        (ctx->exception != POWERPC_EXCP_SYNC)) {
        gen_update_nip(ctx, ctx->nip - 4);
    }
    t0 = tcg_const_i32(EXCP_DEBUG);
    gen_helper_raise_exception(cpu_env, t0);
    tcg_temp_free_i32(t0);
}

static inline void gen_inval_exception(DisasContext *ctx, uint32_t error)
{
    /* Will be converted to program check if needed */
    gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error);
}

static inline void gen_priv_exception(DisasContext *ctx, uint32_t error)
{
    gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error);
}

static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error)
{
    /* Will be converted to program check if needed */
    gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error);
}

/* Stop translation */
static inline void gen_stop_exception(DisasContext *ctx)
{
    gen_update_nip(ctx, ctx->nip);
    ctx->exception = POWERPC_EXCP_STOP;
}

#ifndef CONFIG_USER_ONLY
/* No need to update nip here, as execution flow will change */
static inline void gen_sync_exception(DisasContext *ctx)
{
    ctx->exception = POWERPC_EXCP_SYNC;
}
#endif

#define GEN_HANDLER(name, opc1, opc2, opc3, inval, type)                      \
GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE)

#define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2)             \
GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2)

#define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type)               \
GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE)

#define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2)      \
GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2)

#define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2)     \
GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2)

typedef struct opcode_t {
    unsigned char opc1, opc2, opc3, opc4;
#if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
    unsigned char pad[4];
#endif
    opc_handler_t handler;
    const char *oname;
} opcode_t;

/* Helpers for priv. check */
#define GEN_PRIV                                                \
    do {                                                        \
        gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \
    } while (0)

#if defined(CONFIG_USER_ONLY)
#define CHK_HV GEN_PRIV
#define CHK_SV GEN_PRIV
#define CHK_HVRM GEN_PRIV
#else
#define CHK_HV                                                          \
    do {                                                                \
        if (unlikely(ctx->pr || !ctx->hv)) {                            \
            GEN_PRIV;                                                   \
        }                                                               \
    } while (0)
#define CHK_SV                   \
    do {                         \
        if (unlikely(ctx->pr)) { \
            GEN_PRIV;            \
        }                        \
    } while (0)
#define CHK_HVRM                                            \
    do {                                                    \
        if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) {     \
            GEN_PRIV;                                       \
        }                                                   \
    } while (0)
#endif

#define CHK_NONE


/*****************************************************************************/
/***                           Instruction decoding                        ***/
#define EXTRACT_HELPER(name, shift, nb)                                       \
static inline uint32_t name(uint32_t opcode)                                  \
{                                                                             \
    return (opcode >> (shift)) & ((1 << (nb)) - 1);                           \
}

#define EXTRACT_SHELPER(name, shift, nb)                                      \
static inline int32_t name(uint32_t opcode)                                   \
{                                                                             \
    return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1));                \
}

#define EXTRACT_HELPER_SPLIT(name, shift1, nb1, shift2, nb2)                  \
static inline uint32_t name(uint32_t opcode)                                  \
{                                                                             \
    return (((opcode >> (shift1)) & ((1 << (nb1)) - 1)) << nb2) |             \
            ((opcode >> (shift2)) & ((1 << (nb2)) - 1));                      \
}

#define EXTRACT_HELPER_DXFORM(name,                                           \
                              d0_bits, shift_op_d0, shift_d0,                 \
                              d1_bits, shift_op_d1, shift_d1,                 \
                              d2_bits, shift_op_d2, shift_d2)                 \
static inline int16_t name(uint32_t opcode)                                   \
{                                                                             \
    return                                                                    \
        (((opcode >> (shift_op_d0)) & ((1 << (d0_bits)) - 1)) << (shift_d0)) | \
        (((opcode >> (shift_op_d1)) & ((1 << (d1_bits)) - 1)) << (shift_d1)) | \
        (((opcode >> (shift_op_d2)) & ((1 << (d2_bits)) - 1)) << (shift_d2));  \
}


/* Opcode part 1 */
EXTRACT_HELPER(opc1, 26, 6);
/* Opcode part 2 */
EXTRACT_HELPER(opc2, 1, 5);
/* Opcode part 3 */
EXTRACT_HELPER(opc3, 6, 5);
/* Opcode part 4 */
EXTRACT_HELPER(opc4, 16, 5);
/* Update Cr0 flags */
EXTRACT_HELPER(Rc, 0, 1);
/* Update Cr6 flags (Altivec) */
EXTRACT_HELPER(Rc21, 10, 1);
/* Destination */
EXTRACT_HELPER(rD, 21, 5);
/* Source */
EXTRACT_HELPER(rS, 21, 5);
/* First operand */
EXTRACT_HELPER(rA, 16, 5);
/* Second operand */
EXTRACT_HELPER(rB, 11, 5);
/* Third operand */
EXTRACT_HELPER(rC, 6, 5);
/***                               Get CRn                                 ***/
EXTRACT_HELPER(crfD, 23, 3);
EXTRACT_HELPER(crfS, 18, 3);
EXTRACT_HELPER(crbD, 21, 5);
EXTRACT_HELPER(crbA, 16, 5);
EXTRACT_HELPER(crbB, 11, 5);
/* SPR / TBL */
EXTRACT_HELPER(_SPR, 11, 10);
static inline uint32_t SPR(uint32_t opcode)
{
    uint32_t sprn = _SPR(opcode);

    return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
}
/***                              Get constants                            ***/
/* 16 bits signed immediate value */
EXTRACT_SHELPER(SIMM, 0, 16);
/* 16 bits unsigned immediate value */
EXTRACT_HELPER(UIMM, 0, 16);
/* 5 bits signed immediate value */
EXTRACT_HELPER(SIMM5, 16, 5);
/* 5 bits signed immediate value */
EXTRACT_HELPER(UIMM5, 16, 5);
/* 4 bits unsigned immediate value */
EXTRACT_HELPER(UIMM4, 16, 4);
/* Bit count */
EXTRACT_HELPER(NB, 11, 5);
/* Shift count */
EXTRACT_HELPER(SH, 11, 5);
/* Vector shift count */
EXTRACT_HELPER(VSH, 6, 4);
/* Mask start */
EXTRACT_HELPER(MB, 6, 5);
/* Mask end */
EXTRACT_HELPER(ME, 1, 5);
/* Trap operand */
EXTRACT_HELPER(TO, 21, 5);

EXTRACT_HELPER(CRM, 12, 8);

#ifndef CONFIG_USER_ONLY
EXTRACT_HELPER(SR, 16, 4);
#endif

/* mtfsf/mtfsfi */
EXTRACT_HELPER(FPBF, 23, 3);
EXTRACT_HELPER(FPIMM, 12, 4);
EXTRACT_HELPER(FPL, 25, 1);
EXTRACT_HELPER(FPFLM, 17, 8);
EXTRACT_HELPER(FPW, 16, 1);

/* addpcis */
EXTRACT_HELPER_DXFORM(DX, 10, 6, 6, 5, 16, 1, 1, 0, 0)
#if defined(TARGET_PPC64)
/* darn */
EXTRACT_HELPER(L, 16, 2);
#endif

/***                            Jump target decoding                       ***/
/* Immediate address */
static inline target_ulong LI(uint32_t opcode)
{
    return (opcode >> 0) & 0x03FFFFFC;
}

static inline uint32_t BD(uint32_t opcode)
{
    return (opcode >> 0) & 0xFFFC;
}

EXTRACT_HELPER(BO, 21, 5);
EXTRACT_HELPER(BI, 16, 5);
/* Absolute/relative address */
EXTRACT_HELPER(AA, 1, 1);
/* Link */
EXTRACT_HELPER(LK, 0, 1);

/* DFP Z22-form */
EXTRACT_HELPER(DCM, 10, 6)

/* DFP Z23-form */
EXTRACT_HELPER(RMC, 9, 2)

/* Create a mask between <start> and <end> bits */
static inline target_ulong MASK(uint32_t start, uint32_t end)
{
    target_ulong ret;

#if defined(TARGET_PPC64)
    if (likely(start == 0)) {
        ret = UINT64_MAX << (63 - end);
    } else if (likely(end == 63)) {
        ret = UINT64_MAX >> start;
    }
#else
    if (likely(start == 0)) {
        ret = UINT32_MAX << (31  - end);
    } else if (likely(end == 31)) {
        ret = UINT32_MAX >> start;
    }
#endif
    else {
        ret = (((target_ulong)(-1ULL)) >> (start)) ^
            (((target_ulong)(-1ULL) >> (end)) >> 1);
        if (unlikely(start > end))
            return ~ret;
    }

    return ret;
}

EXTRACT_HELPER_SPLIT(xT, 0, 1, 21, 5);
EXTRACT_HELPER_SPLIT(xS, 0, 1, 21, 5);
EXTRACT_HELPER_SPLIT(xA, 2, 1, 16, 5);
EXTRACT_HELPER_SPLIT(xB, 1, 1, 11, 5);
EXTRACT_HELPER_SPLIT(xC, 3, 1,  6, 5);
EXTRACT_HELPER(DM, 8, 2);
EXTRACT_HELPER(UIM, 16, 2);
EXTRACT_HELPER(SHW, 8, 2);
EXTRACT_HELPER(SP, 19, 2);
EXTRACT_HELPER(IMM8, 11, 8);

/*****************************************************************************/
/* PowerPC instructions table                                                */

#if defined(DO_PPC_STATISTICS)
#define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = 0xff,                                                             \
    .handler = {                                                              \
        .inval1  = invl,                                                      \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
        .oname = stringify(name),                                             \
    },                                                                        \
    .oname = stringify(name),                                                 \
}
#define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = 0xff,                                                             \
    .handler = {                                                              \
        .inval1  = invl1,                                                     \
        .inval2  = invl2,                                                     \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
        .oname = stringify(name),                                             \
    },                                                                        \
    .oname = stringify(name),                                                 \
}
#define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = 0xff,                                                             \
    .handler = {                                                              \
        .inval1  = invl,                                                      \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
        .oname = onam,                                                        \
    },                                                                        \
    .oname = onam,                                                            \
}
#define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = op4,                                                              \
    .handler = {                                                              \
        .inval1  = invl,                                                      \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
        .oname = stringify(name),                                             \
    },                                                                        \
    .oname = stringify(name),                                                 \
}
#else
#define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2)                    \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = 0xff,                                                             \
    .handler = {                                                              \
        .inval1  = invl,                                                      \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
    },                                                                        \
    .oname = stringify(name),                                                 \
}
#define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2)       \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = 0xff,                                                             \
    .handler = {                                                              \
        .inval1  = invl1,                                                     \
        .inval2  = invl2,                                                     \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
    },                                                                        \
    .oname = stringify(name),                                                 \
}
#define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2)             \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = 0xff,                                                             \
    .handler = {                                                              \
        .inval1  = invl,                                                      \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
    },                                                                        \
    .oname = onam,                                                            \
}
#define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2)              \
{                                                                             \
    .opc1 = op1,                                                              \
    .opc2 = op2,                                                              \
    .opc3 = op3,                                                              \
    .opc4 = op4,                                                              \
    .handler = {                                                              \
        .inval1  = invl,                                                      \
        .type = _typ,                                                         \
        .type2 = _typ2,                                                       \
        .handler = &gen_##name,                                               \
    },                                                                        \
    .oname = stringify(name),                                                 \
}
#endif

/* SPR load/store helpers */
static inline void gen_load_spr(TCGv t, int reg)
{
    tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
}

static inline void gen_store_spr(int reg, TCGv t)
{
    tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg]));
}

/* Invalid instruction */
static void gen_invalid(DisasContext *ctx)
{
    gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}

static opc_handler_t invalid_handler = {
    .inval1  = 0xFFFFFFFF,
    .inval2  = 0xFFFFFFFF,
    .type    = PPC_NONE,
    .type2   = PPC_NONE,
    .handler = gen_invalid,
};

/***                           Integer comparison                          ***/

static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
{
    TCGv t0 = tcg_temp_new();
    TCGv_i32 t1 = tcg_temp_new_i32();

    tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so);

    tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1);
    tcg_gen_trunc_tl_i32(t1, t0);
    tcg_gen_shli_i32(t1, t1, CRF_LT);
    tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);

    tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1);
    tcg_gen_trunc_tl_i32(t1, t0);
    tcg_gen_shli_i32(t1, t1, CRF_GT);
    tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);

    tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1);
    tcg_gen_trunc_tl_i32(t1, t0);
    tcg_gen_shli_i32(t1, t1, CRF_EQ);
    tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1);

    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
}

static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
{
    TCGv t0 = tcg_const_tl(arg1);
    gen_op_cmp(arg0, t0, s, crf);
    tcg_temp_free(t0);
}

static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
{
    TCGv t0, t1;
    t0 = tcg_temp_new();
    t1 = tcg_temp_new();
    if (s) {
        tcg_gen_ext32s_tl(t0, arg0);
        tcg_gen_ext32s_tl(t1, arg1);
    } else {
        tcg_gen_ext32u_tl(t0, arg0);
        tcg_gen_ext32u_tl(t1, arg1);
    }
    gen_op_cmp(t0, t1, s, crf);
    tcg_temp_free(t1);
    tcg_temp_free(t0);
}

static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
{
    TCGv t0 = tcg_const_tl(arg1);
    gen_op_cmp32(arg0, t0, s, crf);
    tcg_temp_free(t0);
}

static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg)
{
    if (NARROW_MODE(ctx)) {
        gen_op_cmpi32(reg, 0, 1, 0);
    } else {
        gen_op_cmpi(reg, 0, 1, 0);
    }
}

/* cmp */
static void gen_cmp(DisasContext *ctx)
{
    if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
        gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
                   1, crfD(ctx->opcode));
    } else {
        gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
                     1, crfD(ctx->opcode));
    }
}

/* cmpi */
static void gen_cmpi(DisasContext *ctx)
{
    if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
        gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
                    1, crfD(ctx->opcode));
    } else {
        gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
                      1, crfD(ctx->opcode));
    }
}

/* cmpl */
static void gen_cmpl(DisasContext *ctx)
{
    if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
        gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
                   0, crfD(ctx->opcode));
    } else {
        gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
                     0, crfD(ctx->opcode));
    }
}

/* cmpli */
static void gen_cmpli(DisasContext *ctx)
{
    if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) {
        gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
                    0, crfD(ctx->opcode));
    } else {
        gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
                      0, crfD(ctx->opcode));
    }
}

/* cmprb - range comparison: isupper, isaplha, islower*/
static void gen_cmprb(DisasContext *ctx)
{
    TCGv_i32 src1 = tcg_temp_new_i32();
    TCGv_i32 src2 = tcg_temp_new_i32();
    TCGv_i32 src2lo = tcg_temp_new_i32();
    TCGv_i32 src2hi = tcg_temp_new_i32();
    TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)];

    tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]);

    tcg_gen_andi_i32(src1, src1, 0xFF);
    tcg_gen_ext8u_i32(src2lo, src2);
    tcg_gen_shri_i32(src2, src2, 8);
    tcg_gen_ext8u_i32(src2hi, src2);

    tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
    tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
    tcg_gen_and_i32(crf, src2lo, src2hi);

    if (ctx->opcode & 0x00200000) {
        tcg_gen_shri_i32(src2, src2, 8);
        tcg_gen_ext8u_i32(src2lo, src2);
        tcg_gen_shri_i32(src2, src2, 8);
        tcg_gen_ext8u_i32(src2hi, src2);
        tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1);
        tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi);
        tcg_gen_and_i32(src2lo, src2lo, src2hi);
        tcg_gen_or_i32(crf, crf, src2lo);
    }
    tcg_gen_shli_i32(crf, crf, CRF_GT);
    tcg_temp_free_i32(src1);
    tcg_temp_free_i32(src2);
    tcg_temp_free_i32(src2lo);
    tcg_temp_free_i32(src2hi);
}

#if defined(TARGET_PPC64)
/* cmpeqb */
static void gen_cmpeqb(DisasContext *ctx)
{
    gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                      cpu_gpr[rB(ctx->opcode)]);
}
#endif

/* isel (PowerPC 2.03 specification) */
static void gen_isel(DisasContext *ctx)
{
    uint32_t bi = rC(ctx->opcode);
    uint32_t mask = 0x08 >> (bi & 0x03);
    TCGv t0 = tcg_temp_new();
    TCGv zr;

    tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]);
    tcg_gen_andi_tl(t0, t0, mask);

    zr = tcg_const_tl(0);
    tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr,
                       rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr,
                       cpu_gpr[rB(ctx->opcode)]);
    tcg_temp_free(zr);
    tcg_temp_free(t0);
}

/* cmpb: PowerPC 2.05 specification */
static void gen_cmpb(DisasContext *ctx)
{
    gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
                    cpu_gpr[rB(ctx->opcode)]);
}

/***                           Integer arithmetic                          ***/

static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0,
                                           TCGv arg1, TCGv arg2, int sub)
{
    TCGv t0 = tcg_temp_new();

    tcg_gen_xor_tl(cpu_ov, arg0, arg2);
    tcg_gen_xor_tl(t0, arg1, arg2);
    if (sub) {
        tcg_gen_and_tl(cpu_ov, cpu_ov, t0);
    } else {
        tcg_gen_andc_tl(cpu_ov, cpu_ov, t0);
    }
    tcg_temp_free(t0);
    if (NARROW_MODE(ctx)) {
        tcg_gen_ext32s_tl(cpu_ov, cpu_ov);
    }
    tcg_gen_shri_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1);
    tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
}

/* Common add function */
static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1,
                                    TCGv arg2, bool add_ca, bool compute_ca,
                                    bool compute_ov, bool compute_rc0)
{
    TCGv t0 = ret;

    if (compute_ca || compute_ov) {
        t0 = tcg_temp_new();
    }

    if (compute_ca) {
        if (NARROW_MODE(ctx)) {
            /* Caution: a non-obvious corner case of the spec is that we
               must produce the *entire* 64-bit addition, but produce the
               carry into bit 32.  */
            TCGv t1 = tcg_temp_new();
            tcg_gen_xor_tl(t1, arg1, arg2);        /* add without carry */
            tcg_gen_add_tl(t0, arg1, arg2);
            if (add_ca) {
                tcg_gen_add_tl(t0, t0, cpu_ca);
            }
            tcg_gen_xor_tl(cpu_ca, t0, t1);        /* bits changed w/ carry */
            tcg_temp_free(t1);
            tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);   /* extract bit 32 */
            tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
        } else {
            TCGv zero = tcg_const_tl(0);
            if (add_ca) {
                tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, cpu_ca, zero);
                tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, arg2, zero);
            } else {
                tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero);
            }
            tcg_temp_free(zero);
        }
    } else {
        tcg_gen_add_tl(t0, arg1, arg2);
        if (add_ca) {
            tcg_gen_add_tl(t0, t0, cpu_ca);
        }
    }

    if (compute_ov) {
        gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
    }
    if (unlikely(compute_rc0)) {
        gen_set_Rc0(ctx, t0);
    }

    if (!TCGV_EQUAL(t0, ret)) {
        tcg_gen_mov_tl(ret, t0);
        tcg_temp_free(t0);
    }
}
/* Add functions with two operands */
#define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
static void glue(gen_, name)(DisasContext *ctx)                               \
{                                                                             \
    gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
                     add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
}
/* Add functions with one operand and one immediate */
#define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
                                add_ca, compute_ca, compute_ov)               \
static void glue(gen_, name)(DisasContext *ctx)                               \
{                                                                             \
    TCGv t0 = tcg_const_tl(const_val);                                        \
    gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)],                           \
                     cpu_gpr[rA(ctx->opcode)], t0,                            \
                     add_ca, compute_ca, compute_ov, Rc(ctx->opcode));        \
    tcg_temp_free(t0);                                                        \
}

/* add  add.  addo  addo. */
GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
/* addc  addc.  addco  addco. */
GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
/* adde  adde.  addeo  addeo. */
GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
/* addme  addme.  addmeo  addmeo.  */
GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
/* addze  addze.  addzeo  addzeo.*/
GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
/* addi */
static void gen_addi(DisasContext *ctx)
{
    target_long simm = SIMM(ctx->opcode);

    if (rA(ctx->opcode) == 0) {
        /* li case */
        tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
    } else {
        tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
                        cpu_gpr[rA(ctx->opcode)], simm);
    }
}
/* addic  addic.*/
static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0)
{
    TCGv c = tcg_const_tl(SIMM(ctx->opcode));
    gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                     c, 0, 1, 0, compute_rc0);
    tcg_temp_free(c);
}

static void gen_addic(DisasContext *ctx)
{
    gen_op_addic(ctx, 0);
}

static void gen_addic_(DisasContext *ctx)
{
    gen_op_addic(ctx, 1);
}

/* addis */
static void gen_addis(DisasContext *ctx)
{
    target_long simm = SIMM(ctx->opcode);

    if (rA(ctx->opcode) == 0) {
        /* lis case */
        tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
    } else {
        tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)],
                        cpu_gpr[rA(ctx->opcode)], simm << 16);
    }
}

/* addpcis */
static void gen_addpcis(DisasContext *ctx)
{
    target_long d = DX(ctx->opcode);

    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->nip + (d << 16));
}

static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
                                     TCGv arg2, int sign, int compute_ov)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t1 = tcg_temp_new_i32();
    TCGv_i32 t2 = tcg_temp_new_i32();
    TCGv_i32 t3 = tcg_temp_new_i32();

    tcg_gen_trunc_tl_i32(t0, arg1);
    tcg_gen_trunc_tl_i32(t1, arg2);
    if (sign) {
        tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
        tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
        tcg_gen_and_i32(t2, t2, t3);
        tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
        tcg_gen_or_i32(t2, t2, t3);
        tcg_gen_movi_i32(t3, 0);
        tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
        tcg_gen_div_i32(t3, t0, t1);
        tcg_gen_extu_i32_tl(ret, t3);
    } else {
        tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0);
        tcg_gen_movi_i32(t3, 0);
        tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
        tcg_gen_divu_i32(t3, t0, t1);
        tcg_gen_extu_i32_tl(ret, t3);
    }
    if (compute_ov) {
        tcg_gen_extu_i32_tl(cpu_ov, t2);
        tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
    }
    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
    tcg_temp_free_i32(t3);

    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, ret);
}
/* Div functions */
#define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)],                          \
                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],      \
                     sign, compute_ov);                                       \
}
/* divwu  divwu.  divwuo  divwuo.   */
GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
/* divw  divw.  divwo  divwo.   */
GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);

/* div[wd]eu[o][.] */
#define GEN_DIVE(name, hlpr, compute_ov)                                      \
static void gen_##name(DisasContext *ctx)                                     \
{                                                                             \
    TCGv_i32 t0 = tcg_const_i32(compute_ov);                                  \
    gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env,                      \
                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \
    tcg_temp_free_i32(t0);                                                    \
    if (unlikely(Rc(ctx->opcode) != 0)) {                                     \
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);                           \
    }                                                                         \
}

GEN_DIVE(divweu, divweu, 0);
GEN_DIVE(divweuo, divweu, 1);
GEN_DIVE(divwe, divwe, 0);
GEN_DIVE(divweo, divwe, 1);

#if defined(TARGET_PPC64)
static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1,
                                     TCGv arg2, int sign, int compute_ov)
{
    TCGv_i64 t0 = tcg_temp_new_i64();
    TCGv_i64 t1 = tcg_temp_new_i64();
    TCGv_i64 t2 = tcg_temp_new_i64();
    TCGv_i64 t3 = tcg_temp_new_i64();

    tcg_gen_mov_i64(t0, arg1);
    tcg_gen_mov_i64(t1, arg2);
    if (sign) {
        tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
        tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
        tcg_gen_and_i64(t2, t2, t3);
        tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
        tcg_gen_or_i64(t2, t2, t3);
        tcg_gen_movi_i64(t3, 0);
        tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
        tcg_gen_div_i64(ret, t0, t1);
    } else {
        tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0);
        tcg_gen_movi_i64(t3, 0);
        tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
        tcg_gen_divu_i64(ret, t0, t1);
    }
    if (compute_ov) {
        tcg_gen_mov_tl(cpu_ov, t2);
        tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
    }
    tcg_temp_free_i64(t0);
    tcg_temp_free_i64(t1);
    tcg_temp_free_i64(t2);
    tcg_temp_free_i64(t3);

    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, ret);
}

#define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)],                          \
                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
                      sign, compute_ov);                                      \
}
/* divwu  divwu.  divwuo  divwuo.   */
GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
/* divw  divw.  divwo  divwo.   */
GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);

GEN_DIVE(divdeu, divdeu, 0);
GEN_DIVE(divdeuo, divdeu, 1);
GEN_DIVE(divde, divde, 0);
GEN_DIVE(divdeo, divde, 1);
#endif

static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
                                     TCGv arg2, int sign)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t1 = tcg_temp_new_i32();

    tcg_gen_trunc_tl_i32(t0, arg1);
    tcg_gen_trunc_tl_i32(t1, arg2);
    if (sign) {
        TCGv_i32 t2 = tcg_temp_new_i32();
        TCGv_i32 t3 = tcg_temp_new_i32();
        tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN);
        tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1);
        tcg_gen_and_i32(t2, t2, t3);
        tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0);
        tcg_gen_or_i32(t2, t2, t3);
        tcg_gen_movi_i32(t3, 0);
        tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1);
        tcg_gen_rem_i32(t3, t0, t1);
        tcg_gen_ext_i32_tl(ret, t3);
        tcg_temp_free_i32(t2);
        tcg_temp_free_i32(t3);
    } else {
        TCGv_i32 t2 = tcg_const_i32(1);
        TCGv_i32 t3 = tcg_const_i32(0);
        tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1);
        tcg_gen_remu_i32(t3, t0, t1);
        tcg_gen_extu_i32_tl(ret, t3);
        tcg_temp_free_i32(t2);
        tcg_temp_free_i32(t3);
    }
    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);
}

#define GEN_INT_ARITH_MODW(name, opc3, sign)                                \
static void glue(gen_, name)(DisasContext *ctx)                             \
{                                                                           \
    gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)],                        \
                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
                      sign);                                                \
}

GEN_INT_ARITH_MODW(moduw, 0x08, 0);
GEN_INT_ARITH_MODW(modsw, 0x18, 1);

#if defined(TARGET_PPC64)
static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
                                     TCGv arg2, int sign)
{
    TCGv_i64 t0 = tcg_temp_new_i64();
    TCGv_i64 t1 = tcg_temp_new_i64();

    tcg_gen_mov_i64(t0, arg1);
    tcg_gen_mov_i64(t1, arg2);
    if (sign) {
        TCGv_i64 t2 = tcg_temp_new_i64();
        TCGv_i64 t3 = tcg_temp_new_i64();
        tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
        tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
        tcg_gen_and_i64(t2, t2, t3);
        tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
        tcg_gen_or_i64(t2, t2, t3);
        tcg_gen_movi_i64(t3, 0);
        tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
        tcg_gen_rem_i64(ret, t0, t1);
        tcg_temp_free_i64(t2);
        tcg_temp_free_i64(t3);
    } else {
        TCGv_i64 t2 = tcg_const_i64(1);
        TCGv_i64 t3 = tcg_const_i64(0);
        tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
        tcg_gen_remu_i64(ret, t0, t1);
        tcg_temp_free_i64(t2);
        tcg_temp_free_i64(t3);
    }
    tcg_temp_free_i64(t0);
    tcg_temp_free_i64(t1);
}

#define GEN_INT_ARITH_MODD(name, opc3, sign)                            \
static void glue(gen_, name)(DisasContext *ctx)                           \
{                                                                         \
  gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)],                        \
                    cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],   \
                    sign);                                                \
}

GEN_INT_ARITH_MODD(modud, 0x08, 0);
GEN_INT_ARITH_MODD(modsd, 0x18, 1);
#endif

/* mulhw  mulhw. */
static void gen_mulhw(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t1 = tcg_temp_new_i32();

    tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_muls2_i32(t0, t1, t0, t1);
    tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* mulhwu  mulhwu.  */
static void gen_mulhwu(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t1 = tcg_temp_new_i32();

    tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_mulu2_i32(t0, t1, t0, t1);
    tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1);
    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* mullw  mullw. */
static void gen_mullw(DisasContext *ctx)
{
#if defined(TARGET_PPC64)
    TCGv_i64 t0, t1;
    t0 = tcg_temp_new_i64();
    t1 = tcg_temp_new_i64();
    tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
#else
    tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                    cpu_gpr[rB(ctx->opcode)]);
#endif
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* mullwo  mullwo. */
static void gen_mullwo(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t1 = tcg_temp_new_i32();

    tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_muls2_i32(t0, t1, t0, t1);
#if defined(TARGET_PPC64)
    tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
#else
    tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
#endif

    tcg_gen_sari_i32(t0, t0, 31);
    tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
    tcg_gen_extu_i32_tl(cpu_ov, t0);
    tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);

    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* mulli */
static void gen_mulli(DisasContext *ctx)
{
    tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                    SIMM(ctx->opcode));
}

#if defined(TARGET_PPC64)
/* mulhd  mulhd. */
static void gen_mulhd(DisasContext *ctx)
{
    TCGv lo = tcg_temp_new();
    tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)],
                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    tcg_temp_free(lo);
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
    }
}

/* mulhdu  mulhdu. */
static void gen_mulhdu(DisasContext *ctx)
{
    TCGv lo = tcg_temp_new();
    tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)],
                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    tcg_temp_free(lo);
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
    }
}

/* mulld  mulld. */
static void gen_mulld(DisasContext *ctx)
{
    tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                   cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* mulldo  mulldo. */
static void gen_mulldo(DisasContext *ctx)
{
    TCGv_i64 t0 = tcg_temp_new_i64();
    TCGv_i64 t1 = tcg_temp_new_i64();

    tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
                      cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);

    tcg_gen_sari_i64(t0, t0, 63);
    tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
    tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);

    tcg_temp_free_i64(t0);
    tcg_temp_free_i64(t1);

    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
    }
}
#endif

/* Common subf function */
static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1,
                                     TCGv arg2, bool add_ca, bool compute_ca,
                                     bool compute_ov, bool compute_rc0)
{
    TCGv t0 = ret;

    if (compute_ca || compute_ov) {
        t0 = tcg_temp_new();
    }

    if (compute_ca) {
        /* dest = ~arg1 + arg2 [+ ca].  */
        if (NARROW_MODE(ctx)) {
            /* Caution: a non-obvious corner case of the spec is that we
               must produce the *entire* 64-bit addition, but produce the
               carry into bit 32.  */
            TCGv inv1 = tcg_temp_new();
            TCGv t1 = tcg_temp_new();
            tcg_gen_not_tl(inv1, arg1);
            if (add_ca) {
                tcg_gen_add_tl(t0, arg2, cpu_ca);
            } else {
                tcg_gen_addi_tl(t0, arg2, 1);
            }
            tcg_gen_xor_tl(t1, arg2, inv1);         /* add without carry */
            tcg_gen_add_tl(t0, t0, inv1);
            tcg_temp_free(inv1);
            tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
            tcg_temp_free(t1);
            tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);    /* extract bit 32 */
            tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
        } else if (add_ca) {
            TCGv zero, inv1 = tcg_temp_new();
            tcg_gen_not_tl(inv1, arg1);
            zero = tcg_const_tl(0);
            tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero);
            tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero);
            tcg_temp_free(zero);
            tcg_temp_free(inv1);
        } else {
            tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1);
            tcg_gen_sub_tl(t0, arg2, arg1);
        }
    } else if (add_ca) {
        /* Since we're ignoring carry-out, we can simplify the
           standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1.  */
        tcg_gen_sub_tl(t0, arg2, arg1);
        tcg_gen_add_tl(t0, t0, cpu_ca);
        tcg_gen_subi_tl(t0, t0, 1);
    } else {
        tcg_gen_sub_tl(t0, arg2, arg1);
    }

    if (compute_ov) {
        gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
    }
    if (unlikely(compute_rc0)) {
        gen_set_Rc0(ctx, t0);
    }

    if (!TCGV_EQUAL(t0, ret)) {
        tcg_gen_mov_tl(ret, t0);
        tcg_temp_free(t0);
    }
}
/* Sub functions with Two operands functions */
#define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
static void glue(gen_, name)(DisasContext *ctx)                               \
{                                                                             \
    gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
                      cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],     \
                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
}
/* Sub functions with one operand and one immediate */
#define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
                                add_ca, compute_ca, compute_ov)               \
static void glue(gen_, name)(DisasContext *ctx)                               \
{                                                                             \
    TCGv t0 = tcg_const_tl(const_val);                                        \
    gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)],                          \
                      cpu_gpr[rA(ctx->opcode)], t0,                           \
                      add_ca, compute_ca, compute_ov, Rc(ctx->opcode));       \
    tcg_temp_free(t0);                                                        \
}
/* subf  subf.  subfo  subfo. */
GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
/* subfc  subfc.  subfco  subfco. */
GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
/* subfe  subfe.  subfeo  subfo. */
GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
/* subfme  subfme.  subfmeo  subfmeo.  */
GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
/* subfze  subfze.  subfzeo  subfzeo.*/
GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)

/* subfic */
static void gen_subfic(DisasContext *ctx)
{
    TCGv c = tcg_const_tl(SIMM(ctx->opcode));
    gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                      c, 0, 1, 0, 0);
    tcg_temp_free(c);
}

/* neg neg. nego nego. */
static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov)
{
    TCGv zero = tcg_const_tl(0);
    gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
                      zero, 0, 0, compute_ov, Rc(ctx->opcode));
    tcg_temp_free(zero);
}

static void gen_neg(DisasContext *ctx)
{
    gen_op_arith_neg(ctx, 0);
}

static void gen_nego(DisasContext *ctx)
{
    gen_op_arith_neg(ctx, 1);
}

/***                            Integer logical                            ***/
#define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],                \
       cpu_gpr[rB(ctx->opcode)]);                                             \
    if (unlikely(Rc(ctx->opcode) != 0))                                       \
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
}

#define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);               \
    if (unlikely(Rc(ctx->opcode) != 0))                                       \
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);                           \
}

/* and & and. */
GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
/* andc & andc. */
GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);

/* andi. */
static void gen_andi_(DisasContext *ctx)
{
    tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
    gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* andis. */
static void gen_andis_(DisasContext *ctx)
{
    tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
    gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* cntlzw */
static void gen_cntlzw(DisasContext *ctx)
{
    gen_helper_cntlzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* cnttzw */
static void gen_cnttzw(DisasContext *ctx)
{
    gen_helper_cnttzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
    }
}

/* eqv & eqv. */
GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
/* extsb & extsb. */
GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
/* extsh & extsh. */
GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
/* nand & nand. */
GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
/* nor & nor. */
GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);

#if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
static void gen_pause(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_const_i32(0);
    tcg_gen_st_i32(t0, cpu_env,
                   -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
    tcg_temp_free_i32(t0);

    /* Stop translation, this gives other CPUs a chance to run */
    gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
}
#endif /* defined(TARGET_PPC64) */

/* or & or. */
static void gen_or(DisasContext *ctx)
{
    int rs, ra, rb;

    rs = rS(ctx->opcode);
    ra = rA(ctx->opcode);
    rb = rB(ctx->opcode);
    /* Optimisation for mr. ri case */
    if (rs != ra || rs != rb) {
        if (rs != rb)
            tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
        else
            tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
        if (unlikely(Rc(ctx->opcode) != 0))
            gen_set_Rc0(ctx, cpu_gpr[ra]);
    } else if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, cpu_gpr[rs]);
#if defined(TARGET_PPC64)
    } else if (rs != 0) { /* 0 is nop */
        int prio = 0;

        switch (rs) {
        case 1:
            /* Set process priority to low */
            prio = 2;
            break;
        case 6:
            /* Set process priority to medium-low */
            prio = 3;
            break;
        case 2:
            /* Set process priority to normal */
            prio = 4;
            break;
#if !defined(CONFIG_USER_ONLY)
        case 31:
            if (!ctx->pr) {
                /* Set process priority to very low */
                prio = 1;
            }
            break;
        case 5:
            if (!ctx->pr) {
                /* Set process priority to medium-hight */
                prio = 5;
            }
            break;
        case 3:
            if (!ctx->pr) {
                /* Set process priority to high */
                prio = 6;
            }
            break;
        case 7:
            if (ctx->hv && !ctx->pr) {
                /* Set process priority to very high */
                prio = 7;
            }
            break;
#endif
        default:
            break;
        }
        if (prio) {
            TCGv t0 = tcg_temp_new();
            gen_load_spr(t0, SPR_PPR);
            tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
            tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
            gen_store_spr(SPR_PPR, t0);
            tcg_temp_free(t0);
        }
#if !defined(CONFIG_USER_ONLY)
        /* Pause out of TCG otherwise spin loops with smt_low eat too much
         * CPU and the kernel hangs.  This applies to all encodings other
         * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30),
         * and all currently undefined.
         */
        gen_pause(ctx);
#endif
#endif
    }
}
/* orc & orc. */
GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);

/* xor & xor. */
static void gen_xor(DisasContext *ctx)
{
    /* Optimisation for "set to zero" case */
    if (rS(ctx->opcode) != rB(ctx->opcode))
        tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    else
        tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* ori */
static void gen_ori(DisasContext *ctx)
{
    target_ulong uimm = UIMM(ctx->opcode);

    if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
        return;
    }
    tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
}

/* oris */
static void gen_oris(DisasContext *ctx)
{
    target_ulong uimm = UIMM(ctx->opcode);

    if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
        /* NOP */
        return;
    }
    tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
}

/* xori */
static void gen_xori(DisasContext *ctx)
{
    target_ulong uimm = UIMM(ctx->opcode);

    if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
        /* NOP */
        return;
    }
    tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
}

/* xoris */
static void gen_xoris(DisasContext *ctx)
{
    target_ulong uimm = UIMM(ctx->opcode);

    if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
        /* NOP */
        return;
    }
    tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
}

/* popcntb : PowerPC 2.03 specification */
static void gen_popcntb(DisasContext *ctx)
{
    gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
}

static void gen_popcntw(DisasContext *ctx)
{
    gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
}

#if defined(TARGET_PPC64)
/* popcntd: PowerPC 2.06 specification */
static void gen_popcntd(DisasContext *ctx)
{
    gen_helper_popcntd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
}
#endif

/* prtyw: PowerPC 2.05 specification */
static void gen_prtyw(DisasContext *ctx)
{
    TCGv ra = cpu_gpr[rA(ctx->opcode)];
    TCGv rs = cpu_gpr[rS(ctx->opcode)];
    TCGv t0 = tcg_temp_new();
    tcg_gen_shri_tl(t0, rs, 16);
    tcg_gen_xor_tl(ra, rs, t0);
    tcg_gen_shri_tl(t0, ra, 8);
    tcg_gen_xor_tl(ra, ra, t0);
    tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL);
    tcg_temp_free(t0);
}

#if defined(TARGET_PPC64)
/* prtyd: PowerPC 2.05 specification */
static void gen_prtyd(DisasContext *ctx)
{
    TCGv ra = cpu_gpr[rA(ctx->opcode)];
    TCGv rs = cpu_gpr[rS(ctx->opcode)];
    TCGv t0 = tcg_temp_new();
    tcg_gen_shri_tl(t0, rs, 32);
    tcg_gen_xor_tl(ra, rs, t0);
    tcg_gen_shri_tl(t0, ra, 16);
    tcg_gen_xor_tl(ra, ra, t0);
    tcg_gen_shri_tl(t0, ra, 8);
    tcg_gen_xor_tl(ra, ra, t0);
    tcg_gen_andi_tl(ra, ra, 1);
    tcg_temp_free(t0);
}
#endif

#if defined(TARGET_PPC64)
/* bpermd */
static void gen_bpermd(DisasContext *ctx)
{
    gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)],
                      cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
}
#endif

#if defined(TARGET_PPC64)
/* extsw & extsw. */
GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);

/* cntlzd */
static void gen_cntlzd(DisasContext *ctx)
{
    gen_helper_cntlzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* cnttzd */
static void gen_cnttzd(DisasContext *ctx)
{
    gen_helper_cnttzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
    }
}

/* darn */
static void gen_darn(DisasContext *ctx)
{
    int l = L(ctx->opcode);

    if (l == 0) {
        gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]);
    } else if (l <= 2) {
        /* Return 64-bit random for both CRN and RRN */
        gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]);
    } else {
        tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1);
    }
}
#endif

/***                             Integer rotate                            ***/

/* rlwimi & rlwimi. */
static void gen_rlwimi(DisasContext *ctx)
{
    TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
    TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
    uint32_t sh = SH(ctx->opcode);
    uint32_t mb = MB(ctx->opcode);
    uint32_t me = ME(ctx->opcode);

    if (sh == (31-me) && mb <= me) {
        tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
    } else {
        target_ulong mask;
        TCGv t1;

#if defined(TARGET_PPC64)
        mb += 32;
        me += 32;
#endif
        mask = MASK(mb, me);

        t1 = tcg_temp_new();
        if (mask <= 0xffffffffu) {
            TCGv_i32 t0 = tcg_temp_new_i32();
            tcg_gen_trunc_tl_i32(t0, t_rs);
            tcg_gen_rotli_i32(t0, t0, sh);
            tcg_gen_extu_i32_tl(t1, t0);
            tcg_temp_free_i32(t0);
        } else {
#if defined(TARGET_PPC64)
            tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32);
            tcg_gen_rotli_i64(t1, t1, sh);
#else
            g_assert_not_reached();
#endif
        }

        tcg_gen_andi_tl(t1, t1, mask);
        tcg_gen_andi_tl(t_ra, t_ra, ~mask);
        tcg_gen_or_tl(t_ra, t_ra, t1);
        tcg_temp_free(t1);
    }
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, t_ra);
    }
}

/* rlwinm & rlwinm. */
static void gen_rlwinm(DisasContext *ctx)
{
    TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
    TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
    uint32_t sh = SH(ctx->opcode);
    uint32_t mb = MB(ctx->opcode);
    uint32_t me = ME(ctx->opcode);

    if (mb == 0 && me == (31 - sh)) {
        tcg_gen_shli_tl(t_ra, t_rs, sh);
        tcg_gen_ext32u_tl(t_ra, t_ra);
    } else if (sh != 0 && me == 31 && sh == (32 - mb)) {
        tcg_gen_ext32u_tl(t_ra, t_rs);
        tcg_gen_shri_tl(t_ra, t_ra, mb);
    } else {
        target_ulong mask;
#if defined(TARGET_PPC64)
        mb += 32;
        me += 32;
#endif
        mask = MASK(mb, me);

        if (mask <= 0xffffffffu) {
            TCGv_i32 t0 = tcg_temp_new_i32();
            tcg_gen_trunc_tl_i32(t0, t_rs);
            tcg_gen_rotli_i32(t0, t0, sh);
            tcg_gen_andi_i32(t0, t0, mask);
            tcg_gen_extu_i32_tl(t_ra, t0);
            tcg_temp_free_i32(t0);
        } else {
#if defined(TARGET_PPC64)
            tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
            tcg_gen_rotli_i64(t_ra, t_ra, sh);
            tcg_gen_andi_i64(t_ra, t_ra, mask);
#else
            g_assert_not_reached();
#endif
        }
    }
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, t_ra);
    }
}

/* rlwnm & rlwnm. */
static void gen_rlwnm(DisasContext *ctx)
{
    TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
    TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
    TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
    uint32_t mb = MB(ctx->opcode);
    uint32_t me = ME(ctx->opcode);
    target_ulong mask;

#if defined(TARGET_PPC64)
    mb += 32;
    me += 32;
#endif
    mask = MASK(mb, me);

    if (mask <= 0xffffffffu) {
        TCGv_i32 t0 = tcg_temp_new_i32();
        TCGv_i32 t1 = tcg_temp_new_i32();
        tcg_gen_trunc_tl_i32(t0, t_rb);
        tcg_gen_trunc_tl_i32(t1, t_rs);
        tcg_gen_andi_i32(t0, t0, 0x1f);
        tcg_gen_rotl_i32(t1, t1, t0);
        tcg_gen_extu_i32_tl(t_ra, t1);
        tcg_temp_free_i32(t0);
        tcg_temp_free_i32(t1);
    } else {
#if defined(TARGET_PPC64)
        TCGv_i64 t0 = tcg_temp_new_i64();
        tcg_gen_andi_i64(t0, t_rb, 0x1f);
        tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32);
        tcg_gen_rotl_i64(t_ra, t_ra, t0);
        tcg_temp_free_i64(t0);
#else
        g_assert_not_reached();
#endif
    }

    tcg_gen_andi_tl(t_ra, t_ra, mask);

    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, t_ra);
    }
}

#if defined(TARGET_PPC64)
#define GEN_PPC64_R2(name, opc1, opc2)                                        \
static void glue(gen_, name##0)(DisasContext *ctx)                            \
{                                                                             \
    gen_##name(ctx, 0);                                                       \
}                                                                             \
                                                                              \
static void glue(gen_, name##1)(DisasContext *ctx)                            \
{                                                                             \
    gen_##name(ctx, 1);                                                       \
}
#define GEN_PPC64_R4(name, opc1, opc2)                                        \
static void glue(gen_, name##0)(DisasContext *ctx)                            \
{                                                                             \
    gen_##name(ctx, 0, 0);                                                    \
}                                                                             \
                                                                              \
static void glue(gen_, name##1)(DisasContext *ctx)                            \
{                                                                             \
    gen_##name(ctx, 0, 1);                                                    \
}                                                                             \
                                                                              \
static void glue(gen_, name##2)(DisasContext *ctx)                            \
{                                                                             \
    gen_##name(ctx, 1, 0);                                                    \
}                                                                             \
                                                                              \
static void glue(gen_, name##3)(DisasContext *ctx)                            \
{                                                                             \
    gen_##name(ctx, 1, 1);                                                    \
}

static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh)
{
    TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
    TCGv t_rs = cpu_gpr[rS(ctx->opcode)];

    if (sh != 0 && mb == 0 && me == (63 - sh)) {
        tcg_gen_shli_tl(t_ra, t_rs, sh);
    } else if (sh != 0 && me == 63 && sh == (64 - mb)) {
        tcg_gen_shri_tl(t_ra, t_rs, mb);
    } else {
        tcg_gen_rotli_tl(t_ra, t_rs, sh);
        tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
    }
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, t_ra);
    }
}

/* rldicl - rldicl. */
static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn)
{
    uint32_t sh, mb;

    sh = SH(ctx->opcode) | (shn << 5);
    mb = MB(ctx->opcode) | (mbn << 5);
    gen_rldinm(ctx, mb, 63, sh);
}
GEN_PPC64_R4(rldicl, 0x1E, 0x00);

/* rldicr - rldicr. */
static inline void gen_rldicr(DisasContext *ctx, int men, int shn)
{
    uint32_t sh, me;

    sh = SH(ctx->opcode) | (shn << 5);
    me = MB(ctx->opcode) | (men << 5);
    gen_rldinm(ctx, 0, me, sh);
}
GEN_PPC64_R4(rldicr, 0x1E, 0x02);

/* rldic - rldic. */
static inline void gen_rldic(DisasContext *ctx, int mbn, int shn)
{
    uint32_t sh, mb;

    sh = SH(ctx->opcode) | (shn << 5);
    mb = MB(ctx->opcode) | (mbn << 5);
    gen_rldinm(ctx, mb, 63 - sh, sh);
}
GEN_PPC64_R4(rldic, 0x1E, 0x04);

static void gen_rldnm(DisasContext *ctx, int mb, int me)
{
    TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
    TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
    TCGv t_rb = cpu_gpr[rB(ctx->opcode)];
    TCGv t0;

    t0 = tcg_temp_new();
    tcg_gen_andi_tl(t0, t_rb, 0x3f);
    tcg_gen_rotl_tl(t_ra, t_rs, t0);
    tcg_temp_free(t0);

    tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me));
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, t_ra);
    }
}

/* rldcl - rldcl. */
static inline void gen_rldcl(DisasContext *ctx, int mbn)
{
    uint32_t mb;

    mb = MB(ctx->opcode) | (mbn << 5);
    gen_rldnm(ctx, mb, 63);
}
GEN_PPC64_R2(rldcl, 0x1E, 0x08);

/* rldcr - rldcr. */
static inline void gen_rldcr(DisasContext *ctx, int men)
{
    uint32_t me;

    me = MB(ctx->opcode) | (men << 5);
    gen_rldnm(ctx, 0, me);
}
GEN_PPC64_R2(rldcr, 0x1E, 0x09);

/* rldimi - rldimi. */
static void gen_rldimi(DisasContext *ctx, int mbn, int shn)
{
    TCGv t_ra = cpu_gpr[rA(ctx->opcode)];
    TCGv t_rs = cpu_gpr[rS(ctx->opcode)];
    uint32_t sh = SH(ctx->opcode) | (shn << 5);
    uint32_t mb = MB(ctx->opcode) | (mbn << 5);
    uint32_t me = 63 - sh;

    if (mb <= me) {
        tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1);
    } else {
        target_ulong mask = MASK(mb, me);
        TCGv t1 = tcg_temp_new();

        tcg_gen_rotli_tl(t1, t_rs, sh);
        tcg_gen_andi_tl(t1, t1, mask);
        tcg_gen_andi_tl(t_ra, t_ra, ~mask);
        tcg_gen_or_tl(t_ra, t_ra, t1);
        tcg_temp_free(t1);
    }
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, t_ra);
    }
}
GEN_PPC64_R4(rldimi, 0x1E, 0x06);
#endif

/***                             Integer shift                             ***/

/* slw & slw. */
static void gen_slw(DisasContext *ctx)
{
    TCGv t0, t1;

    t0 = tcg_temp_new();
    /* AND rS with a mask that is 0 when rB >= 0x20 */
#if defined(TARGET_PPC64)
    tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
    tcg_gen_sari_tl(t0, t0, 0x3f);
#else
    tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
    tcg_gen_sari_tl(t0, t0, 0x1f);
#endif
    tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
    tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t1);
    tcg_temp_free(t0);
    tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sraw & sraw. */
static void gen_sraw(DisasContext *ctx)
{
    gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env,
                    cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* srawi & srawi. */
static void gen_srawi(DisasContext *ctx)
{
    int sh = SH(ctx->opcode);
    TCGv dst = cpu_gpr[rA(ctx->opcode)];
    TCGv src = cpu_gpr[rS(ctx->opcode)];
    if (sh == 0) {
        tcg_gen_ext32s_tl(dst, src);
        tcg_gen_movi_tl(cpu_ca, 0);
    } else {
        TCGv t0;
        tcg_gen_ext32s_tl(dst, src);
        tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1);
        t0 = tcg_temp_new();
        tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1);
        tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
        tcg_temp_free(t0);
        tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
        tcg_gen_sari_tl(dst, dst, sh);
    }
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, dst);
    }
}

/* srw & srw. */
static void gen_srw(DisasContext *ctx)
{
    TCGv t0, t1;

    t0 = tcg_temp_new();
    /* AND rS with a mask that is 0 when rB >= 0x20 */
#if defined(TARGET_PPC64)
    tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a);
    tcg_gen_sari_tl(t0, t0, 0x3f);
#else
    tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a);
    tcg_gen_sari_tl(t0, t0, 0x1f);
#endif
    tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    tcg_gen_ext32u_tl(t0, t0);
    t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f);
    tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t1);
    tcg_temp_free(t0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

#if defined(TARGET_PPC64)
/* sld & sld. */
static void gen_sld(DisasContext *ctx)
{
    TCGv t0, t1;

    t0 = tcg_temp_new();
    /* AND rS with a mask that is 0 when rB >= 0x40 */
    tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
    tcg_gen_sari_tl(t0, t0, 0x3f);
    tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
    tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t1);
    tcg_temp_free(t0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* srad & srad. */
static void gen_srad(DisasContext *ctx)
{
    gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env,
                    cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sradi & sradi. */
static inline void gen_sradi(DisasContext *ctx, int n)
{
    int sh = SH(ctx->opcode) + (n << 5);
    TCGv dst = cpu_gpr[rA(ctx->opcode)];
    TCGv src = cpu_gpr[rS(ctx->opcode)];
    if (sh == 0) {
        tcg_gen_mov_tl(dst, src);
        tcg_gen_movi_tl(cpu_ca, 0);
    } else {
        TCGv t0;
        tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1);
        t0 = tcg_temp_new();
        tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1);
        tcg_gen_and_tl(cpu_ca, cpu_ca, t0);
        tcg_temp_free(t0);
        tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0);
        tcg_gen_sari_tl(dst, src, sh);
    }
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, dst);
    }
}

static void gen_sradi0(DisasContext *ctx)
{
    gen_sradi(ctx, 0);
}

static void gen_sradi1(DisasContext *ctx)
{
    gen_sradi(ctx, 1);
}

/* extswsli & extswsli. */
static inline void gen_extswsli(DisasContext *ctx, int n)
{
    int sh = SH(ctx->opcode) + (n << 5);
    TCGv dst = cpu_gpr[rA(ctx->opcode)];
    TCGv src = cpu_gpr[rS(ctx->opcode)];

    tcg_gen_ext32s_tl(dst, src);
    tcg_gen_shli_tl(dst, dst, sh);
    if (unlikely(Rc(ctx->opcode) != 0)) {
        gen_set_Rc0(ctx, dst);
    }
}

static void gen_extswsli0(DisasContext *ctx)
{
    gen_extswsli(ctx, 0);
}

static void gen_extswsli1(DisasContext *ctx)
{
    gen_extswsli(ctx, 1);
}

/* srd & srd. */
static void gen_srd(DisasContext *ctx)
{
    TCGv t0, t1;

    t0 = tcg_temp_new();
    /* AND rS with a mask that is 0 when rB >= 0x40 */
    tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39);
    tcg_gen_sari_tl(t0, t0, 0x3f);
    tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f);
    tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t1);
    tcg_temp_free(t0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
#endif

/***                           Addressing modes                            ***/
/* Register indirect with immediate index : EA = (rA|0) + SIMM */
static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA,
                                      target_long maskl)
{
    target_long simm = SIMM(ctx->opcode);

    simm &= ~maskl;
    if (rA(ctx->opcode) == 0) {
        if (NARROW_MODE(ctx)) {
            simm = (uint32_t)simm;
        }
        tcg_gen_movi_tl(EA, simm);
    } else if (likely(simm != 0)) {
        tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
        if (NARROW_MODE(ctx)) {
            tcg_gen_ext32u_tl(EA, EA);
        }
    } else {
        if (NARROW_MODE(ctx)) {
            tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
        } else {
            tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
        }
    }
}

static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA)
{
    if (rA(ctx->opcode) == 0) {
        if (NARROW_MODE(ctx)) {
            tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
        } else {
            tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
        }
    } else {
        tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
        if (NARROW_MODE(ctx)) {
            tcg_gen_ext32u_tl(EA, EA);
        }
    }
}

static inline void gen_addr_register(DisasContext *ctx, TCGv EA)
{
    if (rA(ctx->opcode) == 0) {
        tcg_gen_movi_tl(EA, 0);
    } else if (NARROW_MODE(ctx)) {
        tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
    } else {
        tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
    }
}

static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1,
                                target_long val)
{
    tcg_gen_addi_tl(ret, arg1, val);
    if (NARROW_MODE(ctx)) {
        tcg_gen_ext32u_tl(ret, ret);
    }
}

static inline void gen_check_align(DisasContext *ctx, TCGv EA, int mask)
{
    TCGLabel *l1 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv_i32 t1, t2;
    tcg_gen_andi_tl(t0, EA, mask);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
    t1 = tcg_const_i32(POWERPC_EXCP_ALIGN);
    t2 = tcg_const_i32(ctx->opcode & 0x03FF0000);
    gen_update_nip(ctx, ctx->nip - 4);
    gen_helper_raise_exception_err(cpu_env, t1, t2);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
    gen_set_label(l1);
    tcg_temp_free(t0);
}

static inline void gen_align_no_le(DisasContext *ctx)
{
    gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
                      (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
}

/***                             Integer load                              ***/
#define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
#define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))

#define GEN_QEMU_LOAD_TL(ldop, op)                                      \
static void glue(gen_qemu_, ldop)(DisasContext *ctx,                    \
                                  TCGv val,                             \
                                  TCGv addr)                            \
{                                                                       \
    tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op);                    \
}

GEN_QEMU_LOAD_TL(ld8u,  DEF_MEMOP(MO_UB))
GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW))
GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW))
GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL))
GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL))

GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW))
GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL))

#define GEN_QEMU_LOAD_64(ldop, op)                                  \
static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx,    \
                                             TCGv_i64 val,          \
                                             TCGv addr)             \
{                                                                   \
    tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op);               \
}

GEN_QEMU_LOAD_64(ld8u,  DEF_MEMOP(MO_UB))
GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW))
GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL))
GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL))
GEN_QEMU_LOAD_64(ld64,  DEF_MEMOP(MO_Q))

#if defined(TARGET_PPC64)
GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q))
#endif

#define GEN_QEMU_STORE_TL(stop, op)                                     \
static void glue(gen_qemu_, stop)(DisasContext *ctx,                    \
                                  TCGv val,                             \
                                  TCGv addr)                            \
{                                                                       \
    tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op);                    \
}

GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))

GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))

#define GEN_QEMU_STORE_64(stop, op)                               \
static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
                                              TCGv_i64 val,       \
                                              TCGv addr)          \
{                                                                 \
    tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op);             \
}

GEN_QEMU_STORE_64(st8,  DEF_MEMOP(MO_UB))
GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW))
GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))

#if defined(TARGET_PPC64)
GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
#endif

#define GEN_LD(name, ldop, opc, type)                                         \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    TCGv EA;                                                                  \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    gen_addr_imm_index(ctx, EA, 0);                                           \
    gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
    tcg_temp_free(EA);                                                        \
}

#define GEN_LDU(name, ldop, opc, type)                                        \
static void glue(gen_, name##u)(DisasContext *ctx)                                    \
{                                                                             \
    TCGv EA;                                                                  \
    if (unlikely(rA(ctx->opcode) == 0 ||                                      \
                 rA(ctx->opcode) == rD(ctx->opcode))) {                       \
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
        return;                                                               \
    }                                                                         \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    if (type == PPC_64B)                                                      \
        gen_addr_imm_index(ctx, EA, 0x03);                                    \
    else                                                                      \
        gen_addr_imm_index(ctx, EA, 0);                                       \
    gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
    tcg_temp_free(EA);                                                        \
}

#define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
{                                                                             \
    TCGv EA;                                                                  \
    if (unlikely(rA(ctx->opcode) == 0 ||                                      \
                 rA(ctx->opcode) == rD(ctx->opcode))) {                       \
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
        return;                                                               \
    }                                                                         \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    gen_addr_reg_index(ctx, EA);                                              \
    gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
    tcg_temp_free(EA);                                                        \
}

#define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
static void glue(gen_, name##x)(DisasContext *ctx)                            \
{                                                                             \
    TCGv EA;                                                                  \
    chk;                                                                      \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    gen_addr_reg_index(ctx, EA);                                              \
    gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA);                       \
    tcg_temp_free(EA);                                                        \
}

#define GEN_LDX(name, ldop, opc2, opc3, type)                                 \
    GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE)

#define GEN_LDX_HVRM(name, ldop, opc2, opc3, type)                            \
    GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)

#define GEN_LDS(name, ldop, op, type)                                         \
GEN_LD(name, ldop, op | 0x20, type);                                          \
GEN_LDU(name, ldop, op | 0x21, type);                                         \
GEN_LDUX(name, ldop, 0x17, op | 0x01, type);                                  \
GEN_LDX(name, ldop, 0x17, op | 0x00, type)

/* lbz lbzu lbzux lbzx */
GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
/* lha lhau lhaux lhax */
GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
/* lhz lhzu lhzux lhzx */
GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
/* lwz lwzu lwzux lwzx */
GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
#if defined(TARGET_PPC64)
/* lwaux */
GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
/* lwax */
GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
/* ldux */
GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
/* ldx */
GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);

/* CI load/store variants */
GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)

static void gen_ld(DisasContext *ctx)
{
    TCGv EA;
    if (Rc(ctx->opcode)) {
        if (unlikely(rA(ctx->opcode) == 0 ||
                     rA(ctx->opcode) == rD(ctx->opcode))) {
            gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
            return;
        }
    }
    gen_set_access_type(ctx, ACCESS_INT);
    EA = tcg_temp_new();
    gen_addr_imm_index(ctx, EA, 0x03);
    if (ctx->opcode & 0x02) {
        /* lwa (lwau is undefined) */
        gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
    } else {
        /* ld - ldu */
        gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
    }
    if (Rc(ctx->opcode))
        tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
    tcg_temp_free(EA);
}

/* lq */
static void gen_lq(DisasContext *ctx)
{
    int ra, rd;
    TCGv EA;

    /* lq is a legal user mode instruction starting in ISA 2.07 */
    bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
    bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;

    if (!legal_in_user_mode && ctx->pr) {
        gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
        return;
    }

    if (!le_is_supported && ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    ra = rA(ctx->opcode);
    rd = rD(ctx->opcode);
    if (unlikely((rd & 1) || rd == ra)) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        return;
    }

    gen_set_access_type(ctx, ACCESS_INT);
    EA = tcg_temp_new();
    gen_addr_imm_index(ctx, EA, 0x0F);

    /* We only need to swap high and low halves. gen_qemu_ld64_i64 does
       necessary 64-bit byteswap already. */
    if (unlikely(ctx->le_mode)) {
        gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
        gen_addr_add(ctx, EA, EA, 8);
        gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
    } else {
        gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA);
        gen_addr_add(ctx, EA, EA, 8);
        gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA);
    }
    tcg_temp_free(EA);
}
#endif

/***                              Integer store                            ***/
#define GEN_ST(name, stop, opc, type)                                         \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    TCGv EA;                                                                  \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    gen_addr_imm_index(ctx, EA, 0);                                           \
    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
    tcg_temp_free(EA);                                                        \
}

#define GEN_STU(name, stop, opc, type)                                        \
static void glue(gen_, stop##u)(DisasContext *ctx)                                    \
{                                                                             \
    TCGv EA;                                                                  \
    if (unlikely(rA(ctx->opcode) == 0)) {                                     \
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
        return;                                                               \
    }                                                                         \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    if (type == PPC_64B)                                                      \
        gen_addr_imm_index(ctx, EA, 0x03);                                    \
    else                                                                      \
        gen_addr_imm_index(ctx, EA, 0);                                       \
    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
    tcg_temp_free(EA);                                                        \
}

#define GEN_STUX(name, stop, opc2, opc3, type)                                \
static void glue(gen_, name##ux)(DisasContext *ctx)                                   \
{                                                                             \
    TCGv EA;                                                                  \
    if (unlikely(rA(ctx->opcode) == 0)) {                                     \
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);                   \
        return;                                                               \
    }                                                                         \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    gen_addr_reg_index(ctx, EA);                                              \
    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);                             \
    tcg_temp_free(EA);                                                        \
}

#define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
static void glue(gen_, name##x)(DisasContext *ctx)                            \
{                                                                             \
    TCGv EA;                                                                  \
    chk;                                                                      \
    gen_set_access_type(ctx, ACCESS_INT);                                     \
    EA = tcg_temp_new();                                                      \
    gen_addr_reg_index(ctx, EA);                                              \
    gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA);                       \
    tcg_temp_free(EA);                                                        \
}
#define GEN_STX(name, stop, opc2, opc3, type)                                 \
    GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE)

#define GEN_STX_HVRM(name, stop, opc2, opc3, type)                            \
    GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM)

#define GEN_STS(name, stop, op, type)                                         \
GEN_ST(name, stop, op | 0x20, type);                                          \
GEN_STU(name, stop, op | 0x21, type);                                         \
GEN_STUX(name, stop, 0x17, op | 0x01, type);                                  \
GEN_STX(name, stop, 0x17, op | 0x00, type)

/* stb stbu stbux stbx */
GEN_STS(stb, st8, 0x06, PPC_INTEGER);
/* sth sthu sthux sthx */
GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
/* stw stwu stwux stwx */
GEN_STS(stw, st32, 0x04, PPC_INTEGER);
#if defined(TARGET_PPC64)
GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B);
GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B);
GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)

static void gen_std(DisasContext *ctx)
{
    int rs;
    TCGv EA;

    rs = rS(ctx->opcode);
    if ((ctx->opcode & 0x3) == 0x2) { /* stq */
        bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;
        bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0;

        if (!(ctx->insns_flags & PPC_64BX)) {
            gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        }

        if (!legal_in_user_mode && ctx->pr) {
            gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);
            return;
        }

        if (!le_is_supported && ctx->le_mode) {
            gen_align_no_le(ctx);
            return;
        }

        if (unlikely(rs & 1)) {
            gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
            return;
        }
        gen_set_access_type(ctx, ACCESS_INT);
        EA = tcg_temp_new();
        gen_addr_imm_index(ctx, EA, 0x03);

        /* We only need to swap high and low halves. gen_qemu_st64_i64 does
           necessary 64-bit byteswap already. */
        if (unlikely(ctx->le_mode)) {
            gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
            gen_addr_add(ctx, EA, EA, 8);
            gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
        } else {
            gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
            gen_addr_add(ctx, EA, EA, 8);
            gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA);
        }
        tcg_temp_free(EA);
    } else {
        /* std / stdu*/
        if (Rc(ctx->opcode)) {
            if (unlikely(rA(ctx->opcode) == 0)) {
                gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
                return;
            }
        }
        gen_set_access_type(ctx, ACCESS_INT);
        EA = tcg_temp_new();
        gen_addr_imm_index(ctx, EA, 0x03);
        gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA);
        if (Rc(ctx->opcode))
            tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
        tcg_temp_free(EA);
    }
}
#endif
/***                Integer load and store with byte reverse               ***/

/* lhbrx */
GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);

/* lwbrx */
GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);

#if defined(TARGET_PPC64)
/* ldbrx */
GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
/* stdbrx */
GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
#endif  /* TARGET_PPC64 */

/* sthbrx */
GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
/* stwbrx */
GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);

/***                    Integer load and store multiple                    ***/

/* lmw */
static void gen_lmw(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1;

    if (ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    gen_set_access_type(ctx, ACCESS_INT);
    t0 = tcg_temp_new();
    t1 = tcg_const_i32(rD(ctx->opcode));
    gen_addr_imm_index(ctx, t0, 0);
    gen_helper_lmw(cpu_env, t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
}

/* stmw */
static void gen_stmw(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1;

    if (ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    gen_set_access_type(ctx, ACCESS_INT);
    t0 = tcg_temp_new();
    t1 = tcg_const_i32(rS(ctx->opcode));
    gen_addr_imm_index(ctx, t0, 0);
    gen_helper_stmw(cpu_env, t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
}

/***                    Integer load and store strings                     ***/

/* lswi */
/* PowerPC32 specification says we must generate an exception if
 * rA is in the range of registers to be loaded.
 * In an other hand, IBM says this is valid, but rA won't be loaded.
 * For now, I'll follow the spec...
 */
static void gen_lswi(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1, t2;
    int nb = NB(ctx->opcode);
    int start = rD(ctx->opcode);
    int ra = rA(ctx->opcode);
    int nr;

    if (ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    if (nb == 0)
        nb = 32;
    nr = (nb + 3) / 4;
    if (unlikely(lsw_reg_in_range(start, nr, ra))) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
        return;
    }
    gen_set_access_type(ctx, ACCESS_INT);
    t0 = tcg_temp_new();
    gen_addr_register(ctx, t0);
    t1 = tcg_const_i32(nb);
    t2 = tcg_const_i32(start);
    gen_helper_lsw(cpu_env, t0, t1, t2);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
}

/* lswx */
static void gen_lswx(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1, t2, t3;

    if (ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    gen_set_access_type(ctx, ACCESS_INT);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    t1 = tcg_const_i32(rD(ctx->opcode));
    t2 = tcg_const_i32(rA(ctx->opcode));
    t3 = tcg_const_i32(rB(ctx->opcode));
    gen_helper_lswx(cpu_env, t0, t1, t2, t3);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
    tcg_temp_free_i32(t3);
}

/* stswi */
static void gen_stswi(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1, t2;
    int nb = NB(ctx->opcode);

    if (ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    gen_set_access_type(ctx, ACCESS_INT);
    t0 = tcg_temp_new();
    gen_addr_register(ctx, t0);
    if (nb == 0)
        nb = 32;
    t1 = tcg_const_i32(nb);
    t2 = tcg_const_i32(rS(ctx->opcode));
    gen_helper_stsw(cpu_env, t0, t1, t2);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
}

/* stswx */
static void gen_stswx(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1, t2;

    if (ctx->le_mode) {
        gen_align_no_le(ctx);
        return;
    }
    gen_set_access_type(ctx, ACCESS_INT);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    t1 = tcg_temp_new_i32();
    tcg_gen_trunc_tl_i32(t1, cpu_xer);
    tcg_gen_andi_i32(t1, t1, 0x7F);
    t2 = tcg_const_i32(rS(ctx->opcode));
    gen_helper_stsw(cpu_env, t0, t1, t2);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
}

/***                        Memory synchronisation                         ***/
/* eieio */
static void gen_eieio(DisasContext *ctx)
{
}

#if !defined(CONFIG_USER_ONLY)
static inline void gen_check_tlb_flush(DisasContext *ctx)
{
    TCGv_i32 t;
    TCGLabel *l;

    if (!ctx->lazy_tlb_flush) {
        return;
    }
    l = gen_new_label();
    t = tcg_temp_new_i32();
    tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush));
    tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l);
    gen_helper_check_tlb_flush(cpu_env);
    gen_set_label(l);
    tcg_temp_free_i32(t);
}
#else
static inline void gen_check_tlb_flush(DisasContext *ctx) { }
#endif

/* isync */
static void gen_isync(DisasContext *ctx)
{
    /*
     * We need to check for a pending TLB flush. This can only happen in
     * kernel mode however so check MSR_PR
     */
    if (!ctx->pr) {
        gen_check_tlb_flush(ctx);
    }
    gen_stop_exception(ctx);
}

#define MEMOP_GET_SIZE(x)  (1 << ((x) & MO_SIZE))

#define LARX(name, memop)                                            \
static void gen_##name(DisasContext *ctx)                            \
{                                                                    \
    TCGv t0;                                                         \
    TCGv gpr = cpu_gpr[rD(ctx->opcode)];                             \
    int len = MEMOP_GET_SIZE(memop);                                 \
    gen_set_access_type(ctx, ACCESS_RES);                            \
    t0 = tcg_temp_local_new();                                       \
    gen_addr_reg_index(ctx, t0);                                     \
    if ((len) > 1) {                                                 \
        gen_check_align(ctx, t0, (len)-1);                           \
    }                                                                \
    tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop);                \
    tcg_gen_mov_tl(cpu_reserve, t0);                                 \
    tcg_gen_st_tl(gpr, cpu_env, offsetof(CPUPPCState, reserve_val)); \
    tcg_temp_free(t0);                                               \
}

/* lwarx */
LARX(lbarx, DEF_MEMOP(MO_UB))
LARX(lharx, DEF_MEMOP(MO_UW))
LARX(lwarx, DEF_MEMOP(MO_UL))

#if defined(CONFIG_USER_ONLY)
static void gen_conditional_store(DisasContext *ctx, TCGv EA,
                                  int reg, int memop)
{
    TCGv t0 = tcg_temp_new();

    tcg_gen_st_tl(EA, cpu_env, offsetof(CPUPPCState, reserve_ea));
    tcg_gen_movi_tl(t0, (MEMOP_GET_SIZE(memop) << 5) | reg);
    tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, reserve_info));
    tcg_temp_free(t0);
    gen_exception_err(ctx, POWERPC_EXCP_STCX, 0);
}
#else
static void gen_conditional_store(DisasContext *ctx, TCGv EA,
                                  int reg, int memop)
{
    TCGLabel *l1;

    tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
    l1 = gen_new_label();
    tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
    tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
    tcg_gen_qemu_st_tl(cpu_gpr[reg], EA, ctx->mem_idx, memop);
    gen_set_label(l1);
    tcg_gen_movi_tl(cpu_reserve, -1);
}
#endif

#define STCX(name, memop)                                   \
static void gen_##name(DisasContext *ctx)                   \
{                                                           \
    TCGv t0;                                                \
    int len = MEMOP_GET_SIZE(memop);                        \
    gen_set_access_type(ctx, ACCESS_RES);                   \
    t0 = tcg_temp_local_new();                              \
    gen_addr_reg_index(ctx, t0);                            \
    if (len > 1) {                                          \
        gen_check_align(ctx, t0, (len) - 1);                \
    }                                                       \
    gen_conditional_store(ctx, t0, rS(ctx->opcode), memop); \
    tcg_temp_free(t0);                                      \
}

STCX(stbcx_, DEF_MEMOP(MO_UB))
STCX(sthcx_, DEF_MEMOP(MO_UW))
STCX(stwcx_, DEF_MEMOP(MO_UL))

#if defined(TARGET_PPC64)
/* ldarx */
LARX(ldarx, DEF_MEMOP(MO_Q))
/* stdcx. */
STCX(stdcx_, DEF_MEMOP(MO_Q))

/* lqarx */
static void gen_lqarx(DisasContext *ctx)
{
    TCGv EA;
    int rd = rD(ctx->opcode);
    TCGv gpr1, gpr2;

    if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) ||
                 (rd == rB(ctx->opcode)))) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        return;
    }

    gen_set_access_type(ctx, ACCESS_RES);
    EA = tcg_temp_local_new();
    gen_addr_reg_index(ctx, EA);
    gen_check_align(ctx, EA, 15);
    if (unlikely(ctx->le_mode)) {
        gpr1 = cpu_gpr[rd+1];
        gpr2 = cpu_gpr[rd];
    } else {
        gpr1 = cpu_gpr[rd];
        gpr2 = cpu_gpr[rd+1];
    }
    tcg_gen_qemu_ld_i64(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
    tcg_gen_mov_tl(cpu_reserve, EA);
    gen_addr_add(ctx, EA, EA, 8);
    tcg_gen_qemu_ld_i64(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));

    tcg_gen_st_tl(gpr1, cpu_env, offsetof(CPUPPCState, reserve_val));
    tcg_gen_st_tl(gpr2, cpu_env, offsetof(CPUPPCState, reserve_val2));
    tcg_temp_free(EA);
}

/* stqcx. */
static void gen_stqcx_(DisasContext *ctx)
{
    TCGv EA;
    int reg = rS(ctx->opcode);
    int len = 16;
#if !defined(CONFIG_USER_ONLY)
    TCGLabel *l1;
    TCGv gpr1, gpr2;
#endif

    if (unlikely((rD(ctx->opcode) & 1))) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        return;
    }
    gen_set_access_type(ctx, ACCESS_RES);
    EA = tcg_temp_local_new();
    gen_addr_reg_index(ctx, EA);
    if (len > 1) {
        gen_check_align(ctx, EA, (len) - 1);
    }

#if defined(CONFIG_USER_ONLY)
    gen_conditional_store(ctx, EA, reg, 16);
#else
    tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
    l1 = gen_new_label();
    tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1);
    tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);

    if (unlikely(ctx->le_mode)) {
        gpr1 = cpu_gpr[reg + 1];
        gpr2 = cpu_gpr[reg];
    } else {
        gpr1 = cpu_gpr[reg];
        gpr2 = cpu_gpr[reg + 1];
    }
    tcg_gen_qemu_st_tl(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));
    gen_addr_add(ctx, EA, EA, 8);
    tcg_gen_qemu_st_tl(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q));

    gen_set_label(l1);
    tcg_gen_movi_tl(cpu_reserve, -1);
#endif
    tcg_temp_free(EA);
}

#endif /* defined(TARGET_PPC64) */

/* sync */
static void gen_sync(DisasContext *ctx)
{
    uint32_t l = (ctx->opcode >> 21) & 3;

    /*
     * We may need to check for a pending TLB flush.
     *
     * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32.
     *
     * Additionally, this can only happen in kernel mode however so
     * check MSR_PR as well.
     */
    if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) {
        gen_check_tlb_flush(ctx);
    }
}

/* wait */
static void gen_wait(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_const_i32(1);
    tcg_gen_st_i32(t0, cpu_env,
                   -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted));
    tcg_temp_free_i32(t0);
    /* Stop translation, as the CPU is supposed to sleep from now */
    gen_exception_nip(ctx, EXCP_HLT, ctx->nip);
}

#if defined(TARGET_PPC64)
static void gen_doze(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv_i32 t;

    CHK_HV;
    t = tcg_const_i32(PPC_PM_DOZE);
    gen_helper_pminsn(cpu_env, t);
    tcg_temp_free_i32(t);
    gen_stop_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_nap(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv_i32 t;

    CHK_HV;
    t = tcg_const_i32(PPC_PM_NAP);
    gen_helper_pminsn(cpu_env, t);
    tcg_temp_free_i32(t);
    gen_stop_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_sleep(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv_i32 t;

    CHK_HV;
    t = tcg_const_i32(PPC_PM_SLEEP);
    gen_helper_pminsn(cpu_env, t);
    tcg_temp_free_i32(t);
    gen_stop_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_rvwinkle(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv_i32 t;

    CHK_HV;
    t = tcg_const_i32(PPC_PM_RVWINKLE);
    gen_helper_pminsn(cpu_env, t);
    tcg_temp_free_i32(t);
    gen_stop_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}
#endif /* #if defined(TARGET_PPC64) */

static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip)
{
#if defined(TARGET_PPC64)
    if (ctx->has_cfar)
        tcg_gen_movi_tl(cpu_cfar, nip);
#endif
}

static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest)
{
    if (unlikely(ctx->singlestep_enabled)) {
        return false;
    }

#ifndef CONFIG_USER_ONLY
    return (ctx->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK);
#else
    return true;
#endif
}

/***                                Branch                                 ***/
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
    if (NARROW_MODE(ctx)) {
        dest = (uint32_t) dest;
    }
    if (use_goto_tb(ctx, dest)) {
        tcg_gen_goto_tb(n);
        tcg_gen_movi_tl(cpu_nip, dest & ~3);
        tcg_gen_exit_tb((uintptr_t)ctx->tb + n);
    } else {
        tcg_gen_movi_tl(cpu_nip, dest & ~3);
        if (unlikely(ctx->singlestep_enabled)) {
            if ((ctx->singlestep_enabled &
                (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) &&
                (ctx->exception == POWERPC_EXCP_BRANCH ||
                 ctx->exception == POWERPC_EXCP_TRACE)) {
                gen_exception_nip(ctx, POWERPC_EXCP_TRACE, dest);
            }
            if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) {
                gen_debug_exception(ctx);
            }
        }
        tcg_gen_exit_tb(0);
    }
}

static inline void gen_setlr(DisasContext *ctx, target_ulong nip)
{
    if (NARROW_MODE(ctx)) {
        nip = (uint32_t)nip;
    }
    tcg_gen_movi_tl(cpu_lr, nip);
}

/* b ba bl bla */
static void gen_b(DisasContext *ctx)
{
    target_ulong li, target;

    ctx->exception = POWERPC_EXCP_BRANCH;
    /* sign extend LI */
    li = LI(ctx->opcode);
    li = (li ^ 0x02000000) - 0x02000000;
    if (likely(AA(ctx->opcode) == 0)) {
        target = ctx->nip + li - 4;
    } else {
        target = li;
    }
    if (LK(ctx->opcode)) {
        gen_setlr(ctx, ctx->nip);
    }
    gen_update_cfar(ctx, ctx->nip - 4);
    gen_goto_tb(ctx, 0, target);
}

#define BCOND_IM  0
#define BCOND_LR  1
#define BCOND_CTR 2
#define BCOND_TAR 3

static inline void gen_bcond(DisasContext *ctx, int type)
{
    uint32_t bo = BO(ctx->opcode);
    TCGLabel *l1;
    TCGv target;

    ctx->exception = POWERPC_EXCP_BRANCH;
    if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
        target = tcg_temp_local_new();
        if (type == BCOND_CTR)
            tcg_gen_mov_tl(target, cpu_ctr);
        else if (type == BCOND_TAR)
            gen_load_spr(target, SPR_TAR);
        else
            tcg_gen_mov_tl(target, cpu_lr);
    } else {
        TCGV_UNUSED(target);
    }
    if (LK(ctx->opcode))
        gen_setlr(ctx, ctx->nip);
    l1 = gen_new_label();
    if ((bo & 0x4) == 0) {
        /* Decrement and test CTR */
        TCGv temp = tcg_temp_new();
        if (unlikely(type == BCOND_CTR)) {
            gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
            return;
        }
        tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
        if (NARROW_MODE(ctx)) {
            tcg_gen_ext32u_tl(temp, cpu_ctr);
        } else {
            tcg_gen_mov_tl(temp, cpu_ctr);
        }
        if (bo & 0x2) {
            tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
        } else {
            tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
        }
        tcg_temp_free(temp);
    }
    if ((bo & 0x10) == 0) {
        /* Test CR */
        uint32_t bi = BI(ctx->opcode);
        uint32_t mask = 0x08 >> (bi & 0x03);
        TCGv_i32 temp = tcg_temp_new_i32();

        if (bo & 0x8) {
            tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
            tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
        } else {
            tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
            tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
        }
        tcg_temp_free_i32(temp);
    }
    gen_update_cfar(ctx, ctx->nip - 4);
    if (type == BCOND_IM) {
        target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
        if (likely(AA(ctx->opcode) == 0)) {
            gen_goto_tb(ctx, 0, ctx->nip + li - 4);
        } else {
            gen_goto_tb(ctx, 0, li);
        }
        if ((bo & 0x14) != 0x14) {
            gen_set_label(l1);
            gen_goto_tb(ctx, 1, ctx->nip);
        }
    } else {
        if (NARROW_MODE(ctx)) {
            tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
        } else {
            tcg_gen_andi_tl(cpu_nip, target, ~3);
        }
        tcg_gen_exit_tb(0);
        if ((bo & 0x14) != 0x14) {
            gen_set_label(l1);
            gen_update_nip(ctx, ctx->nip);
            tcg_gen_exit_tb(0);
        }
    }
    if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) {
        tcg_temp_free(target);
    }
}

static void gen_bc(DisasContext *ctx)
{
    gen_bcond(ctx, BCOND_IM);
}

static void gen_bcctr(DisasContext *ctx)
{
    gen_bcond(ctx, BCOND_CTR);
}

static void gen_bclr(DisasContext *ctx)
{
    gen_bcond(ctx, BCOND_LR);
}

static void gen_bctar(DisasContext *ctx)
{
    gen_bcond(ctx, BCOND_TAR);
}

/***                      Condition register logical                       ***/
#define GEN_CRLOGIC(name, tcg_op, opc)                                        \
static void glue(gen_, name)(DisasContext *ctx)                                       \
{                                                                             \
    uint8_t bitmask;                                                          \
    int sh;                                                                   \
    TCGv_i32 t0, t1;                                                          \
    sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03);             \
    t0 = tcg_temp_new_i32();                                                  \
    if (sh > 0)                                                               \
        tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh);            \
    else if (sh < 0)                                                          \
        tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh);           \
    else                                                                      \
        tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]);                 \
    t1 = tcg_temp_new_i32();                                                  \
    sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03);             \
    if (sh > 0)                                                               \
        tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh);            \
    else if (sh < 0)                                                          \
        tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh);           \
    else                                                                      \
        tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]);                 \
    tcg_op(t0, t0, t1);                                                       \
    bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03);                             \
    tcg_gen_andi_i32(t0, t0, bitmask);                                        \
    tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask);          \
    tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1);                  \
    tcg_temp_free_i32(t0);                                                    \
    tcg_temp_free_i32(t1);                                                    \
}

/* crand */
GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
/* crandc */
GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
/* creqv */
GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
/* crnand */
GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
/* crnor */
GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
/* cror */
GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
/* crorc */
GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
/* crxor */
GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);

/* mcrf */
static void gen_mcrf(DisasContext *ctx)
{
    tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
}

/***                           System linkage                              ***/

/* rfi (supervisor only) */
static void gen_rfi(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    /* This instruction doesn't exist anymore on 64-bit server
     * processors compliant with arch 2.x
     */
    if (ctx->insns_flags & PPC_SEGMENT_64B) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        return;
    }
    /* Restore CPU state */
    CHK_SV;
    gen_update_cfar(ctx, ctx->nip - 4);
    gen_helper_rfi(cpu_env);
    gen_sync_exception(ctx);
#endif
}

#if defined(TARGET_PPC64)
static void gen_rfid(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    /* Restore CPU state */
    CHK_SV;
    gen_update_cfar(ctx, ctx->nip - 4);
    gen_helper_rfid(cpu_env);
    gen_sync_exception(ctx);
#endif
}

static void gen_hrfid(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    /* Restore CPU state */
    CHK_HV;
    gen_helper_hrfid(cpu_env);
    gen_sync_exception(ctx);
#endif
}
#endif

/* sc */
#if defined(CONFIG_USER_ONLY)
#define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
#else
#define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
#endif
static void gen_sc(DisasContext *ctx)
{
    uint32_t lev;

    lev = (ctx->opcode >> 5) & 0x7F;
    gen_exception_err(ctx, POWERPC_SYSCALL, lev);
}

/***                                Trap                                   ***/

/* Check for unconditional traps (always or never) */
static bool check_unconditional_trap(DisasContext *ctx)
{
    /* Trap never */
    if (TO(ctx->opcode) == 0) {
        return true;
    }
    /* Trap always */
    if (TO(ctx->opcode) == 31) {
        gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
        return true;
    }
    return false;
}

/* tw */
static void gen_tw(DisasContext *ctx)
{
    TCGv_i32 t0;

    if (check_unconditional_trap(ctx)) {
        return;
    }
    t0 = tcg_const_i32(TO(ctx->opcode));
    gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
                  t0);
    tcg_temp_free_i32(t0);
}

/* twi */
static void gen_twi(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1;

    if (check_unconditional_trap(ctx)) {
        return;
    }
    t0 = tcg_const_tl(SIMM(ctx->opcode));
    t1 = tcg_const_i32(TO(ctx->opcode));
    gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
}

#if defined(TARGET_PPC64)
/* td */
static void gen_td(DisasContext *ctx)
{
    TCGv_i32 t0;

    if (check_unconditional_trap(ctx)) {
        return;
    }
    t0 = tcg_const_i32(TO(ctx->opcode));
    gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
                  t0);
    tcg_temp_free_i32(t0);
}

/* tdi */
static void gen_tdi(DisasContext *ctx)
{
    TCGv t0;
    TCGv_i32 t1;

    if (check_unconditional_trap(ctx)) {
        return;
    }
    t0 = tcg_const_tl(SIMM(ctx->opcode));
    t1 = tcg_const_i32(TO(ctx->opcode));
    gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free_i32(t1);
}
#endif

/***                          Processor control                            ***/

static void gen_read_xer(TCGv dst)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    TCGv t2 = tcg_temp_new();
    tcg_gen_mov_tl(dst, cpu_xer);
    tcg_gen_shli_tl(t0, cpu_so, XER_SO);
    tcg_gen_shli_tl(t1, cpu_ov, XER_OV);
    tcg_gen_shli_tl(t2, cpu_ca, XER_CA);
    tcg_gen_or_tl(t0, t0, t1);
    tcg_gen_or_tl(dst, dst, t2);
    tcg_gen_or_tl(dst, dst, t0);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
}

static void gen_write_xer(TCGv src)
{
    tcg_gen_andi_tl(cpu_xer, src,
                    ~((1u << XER_SO) | (1u << XER_OV) | (1u << XER_CA)));
    tcg_gen_shri_tl(cpu_so, src, XER_SO);
    tcg_gen_shri_tl(cpu_ov, src, XER_OV);
    tcg_gen_shri_tl(cpu_ca, src, XER_CA);
    tcg_gen_andi_tl(cpu_so, cpu_so, 1);
    tcg_gen_andi_tl(cpu_ov, cpu_ov, 1);
    tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
}

/* mcrxr */
static void gen_mcrxr(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t1 = tcg_temp_new_i32();
    TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)];

    tcg_gen_trunc_tl_i32(t0, cpu_so);
    tcg_gen_trunc_tl_i32(t1, cpu_ov);
    tcg_gen_trunc_tl_i32(dst, cpu_ca);
    tcg_gen_shli_i32(t0, t0, 3);
    tcg_gen_shli_i32(t1, t1, 2);
    tcg_gen_shli_i32(dst, dst, 1);
    tcg_gen_or_i32(dst, dst, t0);
    tcg_gen_or_i32(dst, dst, t1);
    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t1);

    tcg_gen_movi_tl(cpu_so, 0);
    tcg_gen_movi_tl(cpu_ov, 0);
    tcg_gen_movi_tl(cpu_ca, 0);
}

/* mfcr mfocrf */
static void gen_mfcr(DisasContext *ctx)
{
    uint32_t crm, crn;

    if (likely(ctx->opcode & 0x00100000)) {
        crm = CRM(ctx->opcode);
        if (likely(crm && ((crm & (crm - 1)) == 0))) {
            crn = ctz32 (crm);
            tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
            tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)],
                            cpu_gpr[rD(ctx->opcode)], crn * 4);
        }
    } else {
        TCGv_i32 t0 = tcg_temp_new_i32();
        tcg_gen_mov_i32(t0, cpu_crf[0]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[1]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[2]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[3]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[4]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[5]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[6]);
        tcg_gen_shli_i32(t0, t0, 4);
        tcg_gen_or_i32(t0, t0, cpu_crf[7]);
        tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
        tcg_temp_free_i32(t0);
    }
}

/* mfmsr */
static void gen_mfmsr(DisasContext *ctx)
{
    CHK_SV;
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
}

static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
{
#if 0
    sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
    printf("ERROR: try to access SPR %d !\n", sprn);
#endif
}
#define SPR_NOACCESS (&spr_noaccess)

/* mfspr */
static inline void gen_op_mfspr(DisasContext *ctx)
{
    void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
    uint32_t sprn = SPR(ctx->opcode);

#if defined(CONFIG_USER_ONLY)
    read_cb = ctx->spr_cb[sprn].uea_read;
#else
    if (ctx->pr) {
        read_cb = ctx->spr_cb[sprn].uea_read;
    } else if (ctx->hv) {
        read_cb = ctx->spr_cb[sprn].hea_read;
    } else {
        read_cb = ctx->spr_cb[sprn].oea_read;
    }
#endif
    if (likely(read_cb != NULL)) {
        if (likely(read_cb != SPR_NOACCESS)) {
            (*read_cb)(ctx, rD(ctx->opcode), sprn);
        } else {
            /* Privilege exception */
            /* This is a hack to avoid warnings when running Linux:
             * this OS breaks the PowerPC virtualisation model,
             * allowing userland application to read the PVR
             */
            if (sprn != SPR_PVR) {
                fprintf(stderr, "Trying to read privileged spr %d (0x%03x) at "
                        TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
                if (qemu_log_separate()) {
                    qemu_log("Trying to read privileged spr %d (0x%03x) at "
                             TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
                }
            }
            gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
        }
    } else {
        /* ISA 2.07 defines these as no-ops */
        if ((ctx->insns_flags2 & PPC2_ISA207S) &&
            (sprn >= 808 && sprn <= 811)) {
            /* This is a nop */
            return;
        }
        /* Not defined */
        fprintf(stderr, "Trying to read invalid spr %d (0x%03x) at "
                TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
        if (qemu_log_separate()) {
            qemu_log("Trying to read invalid spr %d (0x%03x) at "
                     TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
        }

        /* The behaviour depends on MSR:PR and SPR# bit 0x10,
         * it can generate a priv, a hv emu or a no-op
         */
        if (sprn & 0x10) {
            if (ctx->pr) {
                gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
            }
        } else {
            if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) {
                gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
            }
        }
    }
}

static void gen_mfspr(DisasContext *ctx)
{
    gen_op_mfspr(ctx);
}

/* mftb */
static void gen_mftb(DisasContext *ctx)
{
    gen_op_mfspr(ctx);
}

/* mtcrf mtocrf*/
static void gen_mtcrf(DisasContext *ctx)
{
    uint32_t crm, crn;

    crm = CRM(ctx->opcode);
    if (likely((ctx->opcode & 0x00100000))) {
        if (crm && ((crm & (crm - 1)) == 0)) {
            TCGv_i32 temp = tcg_temp_new_i32();
            crn = ctz32 (crm);
            tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
            tcg_gen_shri_i32(temp, temp, crn * 4);
            tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf);
            tcg_temp_free_i32(temp);
        }
    } else {
        TCGv_i32 temp = tcg_temp_new_i32();
        tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
        for (crn = 0 ; crn < 8 ; crn++) {
            if (crm & (1 << crn)) {
                    tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
                    tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
            }
        }
        tcg_temp_free_i32(temp);
    }
}

/* mtmsr */
#if defined(TARGET_PPC64)
static void gen_mtmsrd(DisasContext *ctx)
{
    CHK_SV;

#if !defined(CONFIG_USER_ONLY)
    if (ctx->opcode & 0x00010000) {
        /* Special form that does not need any synchronisation */
        TCGv t0 = tcg_temp_new();
        tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
        tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
        tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
        tcg_temp_free(t0);
    } else {
        /* XXX: we need to update nip before the store
         *      if we enter power saving mode, we will exit the loop
         *      directly from ppc_store_msr
         */
        gen_update_nip(ctx, ctx->nip);
        gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]);
        /* Must stop the translation as machine state (may have) changed */
        /* Note that mtmsr is not always defined as context-synchronizing */
        gen_stop_exception(ctx);
    }
#endif /* !defined(CONFIG_USER_ONLY) */
}
#endif /* defined(TARGET_PPC64) */

static void gen_mtmsr(DisasContext *ctx)
{
    CHK_SV;

#if !defined(CONFIG_USER_ONLY)
   if (ctx->opcode & 0x00010000) {
        /* Special form that does not need any synchronisation */
        TCGv t0 = tcg_temp_new();
        tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
        tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE)));
        tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
        tcg_temp_free(t0);
    } else {
        TCGv msr = tcg_temp_new();

        /* XXX: we need to update nip before the store
         *      if we enter power saving mode, we will exit the loop
         *      directly from ppc_store_msr
         */
        gen_update_nip(ctx, ctx->nip);
#if defined(TARGET_PPC64)
        tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32);
#else
        tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]);
#endif
        gen_helper_store_msr(cpu_env, msr);
        tcg_temp_free(msr);
        /* Must stop the translation as machine state (may have) changed */
        /* Note that mtmsr is not always defined as context-synchronizing */
        gen_stop_exception(ctx);
    }
#endif
}

/* mtspr */
static void gen_mtspr(DisasContext *ctx)
{
    void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
    uint32_t sprn = SPR(ctx->opcode);

#if defined(CONFIG_USER_ONLY)
    write_cb = ctx->spr_cb[sprn].uea_write;
#else
    if (ctx->pr) {
        write_cb = ctx->spr_cb[sprn].uea_write;
    } else if (ctx->hv) {
        write_cb = ctx->spr_cb[sprn].hea_write;
    } else {
        write_cb = ctx->spr_cb[sprn].oea_write;
    }
#endif
    if (likely(write_cb != NULL)) {
        if (likely(write_cb != SPR_NOACCESS)) {
            (*write_cb)(ctx, sprn, rS(ctx->opcode));
        } else {
            /* Privilege exception */
            fprintf(stderr, "Trying to write privileged spr %d (0x%03x) at "
                    TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
            if (qemu_log_separate()) {
                qemu_log("Trying to write privileged spr %d (0x%03x) at "
                         TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
            }
            gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG);
        }
    } else {
        /* ISA 2.07 defines these as no-ops */
        if ((ctx->insns_flags2 & PPC2_ISA207S) &&
            (sprn >= 808 && sprn <= 811)) {
            /* This is a nop */
            return;
        }

        /* Not defined */
        if (qemu_log_separate()) {
            qemu_log("Trying to write invalid spr %d (0x%03x) at "
                     TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);
        }
        fprintf(stderr, "Trying to write invalid spr %d (0x%03x) at "
                TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4);


        /* The behaviour depends on MSR:PR and SPR# bit 0x10,
         * it can generate a priv, a hv emu or a no-op
         */
        if (sprn & 0x10) {
            if (ctx->pr) {
                gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
            }
        } else {
            if (ctx->pr || sprn == 0) {
                gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR);
            }
        }
    }
}

#if defined(TARGET_PPC64)
/* setb */
static void gen_setb(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_temp_new_i32();
    TCGv_i32 t8 = tcg_temp_new_i32();
    TCGv_i32 tm1 = tcg_temp_new_i32();
    int crf = crfS(ctx->opcode);

    tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4);
    tcg_gen_movi_i32(t8, 8);
    tcg_gen_movi_i32(tm1, -1);
    tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0);
    tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);

    tcg_temp_free_i32(t0);
    tcg_temp_free_i32(t8);
    tcg_temp_free_i32(tm1);
}
#endif

/***                         Cache management                              ***/

/* dcbf */
static void gen_dcbf(DisasContext *ctx)
{
    /* XXX: specification says this is treated as a load by the MMU */
    TCGv t0;
    gen_set_access_type(ctx, ACCESS_CACHE);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_qemu_ld8u(ctx, t0, t0);
    tcg_temp_free(t0);
}

/* dcbi (Supervisor only) */
static void gen_dcbi(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv EA, val;

    CHK_SV;
    EA = tcg_temp_new();
    gen_set_access_type(ctx, ACCESS_CACHE);
    gen_addr_reg_index(ctx, EA);
    val = tcg_temp_new();
    /* XXX: specification says this should be treated as a store by the MMU */
    gen_qemu_ld8u(ctx, val, EA);
    gen_qemu_st8(ctx, val, EA);
    tcg_temp_free(val);
    tcg_temp_free(EA);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* dcdst */
static void gen_dcbst(DisasContext *ctx)
{
    /* XXX: specification say this is treated as a load by the MMU */
    TCGv t0;
    gen_set_access_type(ctx, ACCESS_CACHE);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_qemu_ld8u(ctx, t0, t0);
    tcg_temp_free(t0);
}

/* dcbt */
static void gen_dcbt(DisasContext *ctx)
{
    /* interpreted as no-op */
    /* XXX: specification say this is treated as a load by the MMU
     *      but does not generate any exception
     */
}

/* dcbtst */
static void gen_dcbtst(DisasContext *ctx)
{
    /* interpreted as no-op */
    /* XXX: specification say this is treated as a load by the MMU
     *      but does not generate any exception
     */
}

/* dcbtls */
static void gen_dcbtls(DisasContext *ctx)
{
    /* Always fails locking the cache */
    TCGv t0 = tcg_temp_new();
    gen_load_spr(t0, SPR_Exxx_L1CSR0);
    tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
    gen_store_spr(SPR_Exxx_L1CSR0, t0);
    tcg_temp_free(t0);
}

/* dcbz */
static void gen_dcbz(DisasContext *ctx)
{
    TCGv tcgv_addr;
    TCGv_i32 tcgv_op;

    gen_set_access_type(ctx, ACCESS_CACHE);
    tcgv_addr = tcg_temp_new();
    tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000);
    gen_addr_reg_index(ctx, tcgv_addr);
    gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op);
    tcg_temp_free(tcgv_addr);
    tcg_temp_free_i32(tcgv_op);
}

/* dst / dstt */
static void gen_dst(DisasContext *ctx)
{
    if (rA(ctx->opcode) == 0) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
    } else {
        /* interpreted as no-op */
    }
}

/* dstst /dststt */
static void gen_dstst(DisasContext *ctx)
{
    if (rA(ctx->opcode) == 0) {
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
    } else {
        /* interpreted as no-op */
    }

}

/* dss / dssall */
static void gen_dss(DisasContext *ctx)
{
    /* interpreted as no-op */
}

/* icbi */
static void gen_icbi(DisasContext *ctx)
{
    TCGv t0;
    gen_set_access_type(ctx, ACCESS_CACHE);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_helper_icbi(cpu_env, t0);
    tcg_temp_free(t0);
}

/* Optional: */
/* dcba */
static void gen_dcba(DisasContext *ctx)
{
    /* interpreted as no-op */
    /* XXX: specification say this is treated as a store by the MMU
     *      but does not generate any exception
     */
}

/***                    Segment register manipulation                      ***/
/* Supervisor only: */

/* mfsr */
static void gen_mfsr(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_const_tl(SR(ctx->opcode));
    gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mfsrin */
static void gen_mfsrin(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
    tcg_gen_andi_tl(t0, t0, 0xF);
    gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mtsr */
static void gen_mtsr(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_const_tl(SR(ctx->opcode));
    gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mtsrin */
static void gen_mtsrin(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;
    CHK_SV;

    t0 = tcg_temp_new();
    tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
    tcg_gen_andi_tl(t0, t0, 0xF);
    gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

#if defined(TARGET_PPC64)
/* Specific implementation for PowerPC 64 "bridge" emulation using SLB */

/* mfsr */
static void gen_mfsr_64b(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_const_tl(SR(ctx->opcode));
    gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mfsrin */
static void gen_mfsrin_64b(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
    tcg_gen_andi_tl(t0, t0, 0xF);
    gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mtsr */
static void gen_mtsr_64b(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_const_tl(SR(ctx->opcode));
    gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mtsrin */
static void gen_mtsrin_64b(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
    tcg_gen_andi_tl(t0, t0, 0xF);
    gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* slbmte */
static void gen_slbmte(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)],
                         cpu_gpr[rS(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_slbmfee(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env,
                             cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_slbmfev(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
                             cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_slbfee_(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
    TCGLabel *l1, *l2;

    if (unlikely(ctx->pr)) {
        gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
        return;
    }
    gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env,
                             cpu_gpr[rB(ctx->opcode)]);
    l1 = gen_new_label();
    l2 = gen_new_label();
    tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1);
    tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0);
    gen_set_label(l2);
#endif
}
#endif /* defined(TARGET_PPC64) */

/***                      Lookaside buffer management                      ***/
/* Optional & supervisor only: */

/* tlbia */
static void gen_tlbia(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_HV;

    gen_helper_tlbia(cpu_env);
#endif  /* defined(CONFIG_USER_ONLY) */
}

/* tlbiel */
static void gen_tlbiel(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbie */
static void gen_tlbie(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_HV;

    if (NARROW_MODE(ctx)) {
        TCGv t0 = tcg_temp_new();
        tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
        gen_helper_tlbie(cpu_env, t0);
        tcg_temp_free(t0);
    } else {
        gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbsync */
static void gen_tlbsync(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_HV;

    /* tlbsync is a nop for server, ptesync handles delayed tlb flush,
     * embedded however needs to deal with tlbsync. We don't try to be
     * fancy and swallow the overhead of checking for both.
     */
    gen_check_tlb_flush(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

#if defined(TARGET_PPC64)
/* slbia */
static void gen_slbia(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_slbia(cpu_env);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* slbie */
static void gen_slbie(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}
#endif  /* defined(TARGET_PPC64) */

/***                              External control                         ***/
/* Optional: */

/* eciwx */
static void gen_eciwx(DisasContext *ctx)
{
    TCGv t0;
    /* Should check EAR[E] ! */
    gen_set_access_type(ctx, ACCESS_EXT);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_check_align(ctx, t0, 0x03);
    gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
    tcg_temp_free(t0);
}

/* ecowx */
static void gen_ecowx(DisasContext *ctx)
{
    TCGv t0;
    /* Should check EAR[E] ! */
    gen_set_access_type(ctx, ACCESS_EXT);
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_check_align(ctx, t0, 0x03);
    gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0);
    tcg_temp_free(t0);
}

/* PowerPC 601 specific instructions */

/* abs - abs. */
static void gen_abs(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
    tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    gen_set_label(l2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* abso - abso. */
static void gen_abso(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    TCGLabel *l3 = gen_new_label();
    /* Start with XER OV disabled, the most likely case */
    tcg_gen_movi_tl(cpu_ov, 0);
    tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
    tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
    tcg_gen_movi_tl(cpu_ov, 1);
    tcg_gen_movi_tl(cpu_so, 1);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_br(l3);
    gen_set_label(l2);
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    gen_set_label(l3);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* clcs */
static void gen_clcs(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
    gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free_i32(t0);
    /* Rc=1 sets CR0 to an undefined state */
}

/* div - div. */
static void gen_div(DisasContext *ctx)
{
    gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
                   cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* divo - divo. */
static void gen_divo(DisasContext *ctx)
{
    gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
                    cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* divs - divs. */
static void gen_divs(DisasContext *ctx)
{
    gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)],
                    cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* divso - divso. */
static void gen_divso(DisasContext *ctx)
{
    gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env,
                     cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* doz - doz. */
static void gen_doz(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
    tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
    gen_set_label(l2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* dozo - dozo. */
static void gen_dozo(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    TCGv t2 = tcg_temp_new();
    /* Start with XER OV disabled, the most likely case */
    tcg_gen_movi_tl(cpu_ov, 0);
    tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
    tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
    tcg_gen_andc_tl(t1, t1, t2);
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
    tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
    tcg_gen_movi_tl(cpu_ov, 1);
    tcg_gen_movi_tl(cpu_so, 1);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
    gen_set_label(l2);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* dozi */
static void gen_dozi(DisasContext *ctx)
{
    target_long simm = SIMM(ctx->opcode);
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
    tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
    gen_set_label(l2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* lscbx - lscbx. */
static void gen_lscbx(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
    TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
    TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));

    gen_addr_reg_index(ctx, t0);
    gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3);
    tcg_temp_free_i32(t1);
    tcg_temp_free_i32(t2);
    tcg_temp_free_i32(t3);
    tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
    tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, t0);
    tcg_temp_free(t0);
}

/* maskg - maskg. */
static void gen_maskg(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    TCGv t2 = tcg_temp_new();
    TCGv t3 = tcg_temp_new();
    tcg_gen_movi_tl(t3, 0xFFFFFFFF);
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
    tcg_gen_addi_tl(t2, t0, 1);
    tcg_gen_shr_tl(t2, t3, t2);
    tcg_gen_shr_tl(t3, t3, t1);
    tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
    tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
    tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    gen_set_label(l1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    tcg_temp_free(t3);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* maskir - maskir. */
static void gen_maskir(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* mul - mul. */
static void gen_mul(DisasContext *ctx)
{
    TCGv_i64 t0 = tcg_temp_new_i64();
    TCGv_i64 t1 = tcg_temp_new_i64();
    TCGv t2 = tcg_temp_new();
    tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_mul_i64(t0, t0, t1);
    tcg_gen_trunc_i64_tl(t2, t0);
    gen_store_spr(SPR_MQ, t2);
    tcg_gen_shri_i64(t1, t0, 32);
    tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
    tcg_temp_free_i64(t0);
    tcg_temp_free_i64(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* mulo - mulo. */
static void gen_mulo(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGv_i64 t0 = tcg_temp_new_i64();
    TCGv_i64 t1 = tcg_temp_new_i64();
    TCGv t2 = tcg_temp_new();
    /* Start with XER OV disabled, the most likely case */
    tcg_gen_movi_tl(cpu_ov, 0);
    tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_mul_i64(t0, t0, t1);
    tcg_gen_trunc_i64_tl(t2, t0);
    gen_store_spr(SPR_MQ, t2);
    tcg_gen_shri_i64(t1, t0, 32);
    tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
    tcg_gen_ext32s_i64(t1, t0);
    tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
    tcg_gen_movi_tl(cpu_ov, 1);
    tcg_gen_movi_tl(cpu_so, 1);
    gen_set_label(l1);
    tcg_temp_free_i64(t0);
    tcg_temp_free_i64(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* nabs - nabs. */
static void gen_nabs(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    gen_set_label(l2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* nabso - nabso. */
static void gen_nabso(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
    gen_set_label(l2);
    /* nabs never overflows */
    tcg_gen_movi_tl(cpu_ov, 0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}

/* rlmi - rlmi. */
static void gen_rlmi(DisasContext *ctx)
{
    uint32_t mb = MB(ctx->opcode);
    uint32_t me = ME(ctx->opcode);
    TCGv t0 = tcg_temp_new();
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    tcg_gen_andi_tl(t0, t0, MASK(mb, me));
    tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
    tcg_temp_free(t0);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* rrib - rrib. */
static void gen_rrib(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_movi_tl(t1, 0x80000000);
    tcg_gen_shr_tl(t1, t1, t0);
    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    tcg_gen_and_tl(t0, t0, t1);
    tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sle - sle. */
static void gen_sle(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_subfi_tl(t1, 32, t1);
    tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_or_tl(t1, t0, t1);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
    gen_store_spr(SPR_MQ, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sleq - sleq. */
static void gen_sleq(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    TCGv t2 = tcg_temp_new();
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_movi_tl(t2, 0xFFFFFFFF);
    tcg_gen_shl_tl(t2, t2, t0);
    tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    gen_load_spr(t1, SPR_MQ);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_and_tl(t0, t0, t2);
    tcg_gen_andc_tl(t1, t1, t2);
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sliq - sliq. */
static void gen_sliq(DisasContext *ctx)
{
    int sh = SH(ctx->opcode);
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
    tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
    tcg_gen_or_tl(t1, t0, t1);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
    gen_store_spr(SPR_MQ, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* slliq - slliq. */
static void gen_slliq(DisasContext *ctx)
{
    int sh = SH(ctx->opcode);
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
    gen_load_spr(t1, SPR_MQ);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU << sh));
    tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sllq - sllq. */
static void gen_sllq(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    TCGv t0 = tcg_temp_local_new();
    TCGv t1 = tcg_temp_local_new();
    TCGv t2 = tcg_temp_local_new();
    tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_movi_tl(t1, 0xFFFFFFFF);
    tcg_gen_shl_tl(t1, t1, t2);
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
    gen_load_spr(t0, SPR_MQ);
    tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
    gen_load_spr(t2, SPR_MQ);
    tcg_gen_andc_tl(t1, t2, t1);
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    gen_set_label(l2);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* slq - slq. */
static void gen_slq(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_subfi_tl(t1, 32, t1);
    tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_or_tl(t1, t0, t1);
    gen_store_spr(SPR_MQ, t1);
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
    tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
    gen_set_label(l1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sraiq - sraiq. */
static void gen_sraiq(DisasContext *ctx)
{
    int sh = SH(ctx->opcode);
    TCGLabel *l1 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
    tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
    tcg_gen_or_tl(t0, t0, t1);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_movi_tl(cpu_ca, 0);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
    tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
    tcg_gen_movi_tl(cpu_ca, 1);
    gen_set_label(l1);
    tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sraq - sraq. */
static void gen_sraq(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_local_new();
    TCGv t2 = tcg_temp_local_new();
    tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
    tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
    tcg_gen_subfi_tl(t2, 32, t2);
    tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
    tcg_gen_or_tl(t0, t0, t2);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
    tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
    tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
    gen_set_label(l1);
    tcg_temp_free(t0);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
    tcg_gen_movi_tl(cpu_ca, 0);
    tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
    tcg_gen_movi_tl(cpu_ca, 1);
    gen_set_label(l2);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sre - sre. */
static void gen_sre(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_subfi_tl(t1, 32, t1);
    tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_or_tl(t1, t0, t1);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
    gen_store_spr(SPR_MQ, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* srea - srea. */
static void gen_srea(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sreq */
static void gen_sreq(DisasContext *ctx)
{
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    TCGv t2 = tcg_temp_new();
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_movi_tl(t1, 0xFFFFFFFF);
    tcg_gen_shr_tl(t1, t1, t0);
    tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
    gen_load_spr(t2, SPR_MQ);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_and_tl(t0, t0, t1);
    tcg_gen_andc_tl(t2, t2, t1);
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* sriq */
static void gen_sriq(DisasContext *ctx)
{
    int sh = SH(ctx->opcode);
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
    tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
    tcg_gen_or_tl(t1, t0, t1);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
    gen_store_spr(SPR_MQ, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* srliq */
static void gen_srliq(DisasContext *ctx)
{
    int sh = SH(ctx->opcode);
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
    gen_load_spr(t1, SPR_MQ);
    gen_store_spr(SPR_MQ, t0);
    tcg_gen_andi_tl(t0, t0,  (0xFFFFFFFFU >> sh));
    tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* srlq */
static void gen_srlq(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGLabel *l2 = gen_new_label();
    TCGv t0 = tcg_temp_local_new();
    TCGv t1 = tcg_temp_local_new();
    TCGv t2 = tcg_temp_local_new();
    tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_movi_tl(t1, 0xFFFFFFFF);
    tcg_gen_shr_tl(t2, t1, t2);
    tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
    gen_load_spr(t0, SPR_MQ);
    tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
    tcg_gen_br(l2);
    gen_set_label(l1);
    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
    tcg_gen_and_tl(t0, t0, t2);
    gen_load_spr(t1, SPR_MQ);
    tcg_gen_andc_tl(t1, t1, t2);
    tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
    gen_set_label(l2);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    tcg_temp_free(t2);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* srq */
static void gen_srq(DisasContext *ctx)
{
    TCGLabel *l1 = gen_new_label();
    TCGv t0 = tcg_temp_new();
    TCGv t1 = tcg_temp_new();
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
    tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_subfi_tl(t1, 32, t1);
    tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
    tcg_gen_or_tl(t1, t0, t1);
    gen_store_spr(SPR_MQ, t1);
    tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
    tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
    tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
    tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
    gen_set_label(l1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc(ctx->opcode) != 0))
        gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}

/* PowerPC 602 specific instructions */

/* dsa  */
static void gen_dsa(DisasContext *ctx)
{
    /* XXX: TODO */
    gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}

/* esa */
static void gen_esa(DisasContext *ctx)
{
    /* XXX: TODO */
    gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}

/* mfrom */
static void gen_mfrom(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* 602 - 603 - G2 TLB management */

/* tlbld */
static void gen_tlbld_6xx(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbli */
static void gen_tlbli_6xx(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* 74xx TLB management */

/* tlbld */
static void gen_tlbld_74xx(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbli */
static void gen_tlbli_74xx(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* POWER instructions not in PowerPC 601 */

/* clf */
static void gen_clf(DisasContext *ctx)
{
    /* Cache line flush: implemented as no-op */
}

/* cli */
static void gen_cli(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    /* Cache line invalidate: privileged and treated as no-op */
    CHK_SV;
#endif /* defined(CONFIG_USER_ONLY) */
}

/* dclst */
static void gen_dclst(DisasContext *ctx)
{
    /* Data cache line store: treated as no-op */
}

static void gen_mfsri(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    int ra = rA(ctx->opcode);
    int rd = rD(ctx->opcode);
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    tcg_gen_shri_tl(t0, t0, 28);
    tcg_gen_andi_tl(t0, t0, 0xF);
    gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
    tcg_temp_free(t0);
    if (ra != 0 && ra != rd)
        tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_rac(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_rfsvc(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    gen_helper_rfsvc(cpu_env);
    gen_sync_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* svc is not implemented for now */

/* BookE specific instructions */

/* XXX: not implemented on 440 ? */
static void gen_mfapidi(DisasContext *ctx)
{
    /* XXX: TODO */
    gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}

/* XXX: not implemented on 440 ? */
static void gen_tlbiva(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* All 405 MAC instructions are translated here */
static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3,
                                        int ra, int rb, int rt, int Rc)
{
    TCGv t0, t1;

    t0 = tcg_temp_local_new();
    t1 = tcg_temp_local_new();

    switch (opc3 & 0x0D) {
    case 0x05:
        /* macchw    - macchw.    - macchwo   - macchwo.   */
        /* macchws   - macchws.   - macchwso  - macchwso.  */
        /* nmacchw   - nmacchw.   - nmacchwo  - nmacchwo.  */
        /* nmacchws  - nmacchws.  - nmacchwso - nmacchwso. */
        /* mulchw - mulchw. */
        tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
        tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
        tcg_gen_ext16s_tl(t1, t1);
        break;
    case 0x04:
        /* macchwu   - macchwu.   - macchwuo  - macchwuo.  */
        /* macchwsu  - macchwsu.  - macchwsuo - macchwsuo. */
        /* mulchwu - mulchwu. */
        tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
        tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
        tcg_gen_ext16u_tl(t1, t1);
        break;
    case 0x01:
        /* machhw    - machhw.    - machhwo   - machhwo.   */
        /* machhws   - machhws.   - machhwso  - machhwso.  */
        /* nmachhw   - nmachhw.   - nmachhwo  - nmachhwo.  */
        /* nmachhws  - nmachhws.  - nmachhwso - nmachhwso. */
        /* mulhhw - mulhhw. */
        tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
        tcg_gen_ext16s_tl(t0, t0);
        tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
        tcg_gen_ext16s_tl(t1, t1);
        break;
    case 0x00:
        /* machhwu   - machhwu.   - machhwuo  - machhwuo.  */
        /* machhwsu  - machhwsu.  - machhwsuo - machhwsuo. */
        /* mulhhwu - mulhhwu. */
        tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
        tcg_gen_ext16u_tl(t0, t0);
        tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
        tcg_gen_ext16u_tl(t1, t1);
        break;
    case 0x0D:
        /* maclhw    - maclhw.    - maclhwo   - maclhwo.   */
        /* maclhws   - maclhws.   - maclhwso  - maclhwso.  */
        /* nmaclhw   - nmaclhw.   - nmaclhwo  - nmaclhwo.  */
        /* nmaclhws  - nmaclhws.  - nmaclhwso - nmaclhwso. */
        /* mullhw - mullhw. */
        tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
        tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
        break;
    case 0x0C:
        /* maclhwu   - maclhwu.   - maclhwuo  - maclhwuo.  */
        /* maclhwsu  - maclhwsu.  - maclhwsuo - maclhwsuo. */
        /* mullhwu - mullhwu. */
        tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
        tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
        break;
    }
    if (opc2 & 0x04) {
        /* (n)multiply-and-accumulate (0x0C / 0x0E) */
        tcg_gen_mul_tl(t1, t0, t1);
        if (opc2 & 0x02) {
            /* nmultiply-and-accumulate (0x0E) */
            tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
        } else {
            /* multiply-and-accumulate (0x0C) */
            tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
        }

        if (opc3 & 0x12) {
            /* Check overflow and/or saturate */
            TCGLabel *l1 = gen_new_label();

            if (opc3 & 0x10) {
                /* Start with XER OV disabled, the most likely case */
                tcg_gen_movi_tl(cpu_ov, 0);
            }
            if (opc3 & 0x01) {
                /* Signed */
                tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
                tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
                tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
                tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
                if (opc3 & 0x02) {
                    /* Saturate */
                    tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
                    tcg_gen_xori_tl(t0, t0, 0x7fffffff);
                }
            } else {
                /* Unsigned */
                tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
                if (opc3 & 0x02) {
                    /* Saturate */
                    tcg_gen_movi_tl(t0, UINT32_MAX);
                }
            }
            if (opc3 & 0x10) {
                /* Check overflow */
                tcg_gen_movi_tl(cpu_ov, 1);
                tcg_gen_movi_tl(cpu_so, 1);
            }
            gen_set_label(l1);
            tcg_gen_mov_tl(cpu_gpr[rt], t0);
        }
    } else {
        tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
    }
    tcg_temp_free(t0);
    tcg_temp_free(t1);
    if (unlikely(Rc) != 0) {
        /* Update Rc0 */
        gen_set_Rc0(ctx, cpu_gpr[rt]);
    }
}

#define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
static void glue(gen_, name)(DisasContext *ctx)                               \
{                                                                             \
    gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode),   \
                         rD(ctx->opcode), Rc(ctx->opcode));                   \
}

/* macchw    - macchw.    */
GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
/* macchwo   - macchwo.   */
GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
/* macchws   - macchws.   */
GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
/* macchwso  - macchwso.  */
GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
/* macchwsu  - macchwsu.  */
GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
/* macchwsuo - macchwsuo. */
GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
/* macchwu   - macchwu.   */
GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
/* macchwuo  - macchwuo.  */
GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
/* machhw    - machhw.    */
GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
/* machhwo   - machhwo.   */
GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
/* machhws   - machhws.   */
GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
/* machhwso  - machhwso.  */
GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
/* machhwsu  - machhwsu.  */
GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
/* machhwsuo - machhwsuo. */
GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
/* machhwu   - machhwu.   */
GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
/* machhwuo  - machhwuo.  */
GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
/* maclhw    - maclhw.    */
GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
/* maclhwo   - maclhwo.   */
GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
/* maclhws   - maclhws.   */
GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
/* maclhwso  - maclhwso.  */
GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
/* maclhwu   - maclhwu.   */
GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
/* maclhwuo  - maclhwuo.  */
GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
/* maclhwsu  - maclhwsu.  */
GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
/* maclhwsuo - maclhwsuo. */
GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
/* nmacchw   - nmacchw.   */
GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
/* nmacchwo  - nmacchwo.  */
GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
/* nmacchws  - nmacchws.  */
GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
/* nmacchwso - nmacchwso. */
GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
/* nmachhw   - nmachhw.   */
GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
/* nmachhwo  - nmachhwo.  */
GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
/* nmachhws  - nmachhws.  */
GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
/* nmachhwso - nmachhwso. */
GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
/* nmaclhw   - nmaclhw.   */
GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
/* nmaclhwo  - nmaclhwo.  */
GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
/* nmaclhws  - nmaclhws.  */
GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
/* nmaclhwso - nmaclhwso. */
GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);

/* mulchw  - mulchw.  */
GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
/* mulchwu - mulchwu. */
GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
/* mulhhw  - mulhhw.  */
GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
/* mulhhwu - mulhhwu. */
GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
/* mullhw  - mullhw.  */
GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
/* mullhwu - mullhwu. */
GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);

/* mfdcr */
static void gen_mfdcr(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv dcrn;

    CHK_SV;
    dcrn = tcg_const_tl(SPR(ctx->opcode));
    gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn);
    tcg_temp_free(dcrn);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mtdcr */
static void gen_mtdcr(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv dcrn;

    CHK_SV;
    dcrn = tcg_const_tl(SPR(ctx->opcode));
    gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]);
    tcg_temp_free(dcrn);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mfdcrx */
/* XXX: not implemented on 440 ? */
static void gen_mfdcrx(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
                        cpu_gpr[rA(ctx->opcode)]);
    /* Note: Rc update flag set leads to undefined state of Rc0 */
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mtdcrx */
/* XXX: not implemented on 440 ? */
static void gen_mtdcrx(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
                         cpu_gpr[rS(ctx->opcode)]);
    /* Note: Rc update flag set leads to undefined state of Rc0 */
#endif /* defined(CONFIG_USER_ONLY) */
}

/* mfdcrux (PPC 460) : user-mode access to DCR */
static void gen_mfdcrux(DisasContext *ctx)
{
    gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env,
                        cpu_gpr[rA(ctx->opcode)]);
    /* Note: Rc update flag set leads to undefined state of Rc0 */
}

/* mtdcrux (PPC 460) : user-mode access to DCR */
static void gen_mtdcrux(DisasContext *ctx)
{
    gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)],
                         cpu_gpr[rS(ctx->opcode)]);
    /* Note: Rc update flag set leads to undefined state of Rc0 */
}

/* dccci */
static void gen_dccci(DisasContext *ctx)
{
    CHK_SV;
    /* interpreted as no-op */
}

/* dcread */
static void gen_dcread(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv EA, val;

    CHK_SV;
    gen_set_access_type(ctx, ACCESS_CACHE);
    EA = tcg_temp_new();
    gen_addr_reg_index(ctx, EA);
    val = tcg_temp_new();
    gen_qemu_ld32u(ctx, val, EA);
    tcg_temp_free(val);
    tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
    tcg_temp_free(EA);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* icbt */
static void gen_icbt_40x(DisasContext *ctx)
{
    /* interpreted as no-op */
    /* XXX: specification say this is treated as a load by the MMU
     *      but does not generate any exception
     */
}

/* iccci */
static void gen_iccci(DisasContext *ctx)
{
    CHK_SV;
    /* interpreted as no-op */
}

/* icread */
static void gen_icread(DisasContext *ctx)
{
    CHK_SV;
    /* interpreted as no-op */
}

/* rfci (supervisor only) */
static void gen_rfci_40x(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    /* Restore CPU state */
    gen_helper_40x_rfci(cpu_env);
    gen_sync_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_rfci(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    /* Restore CPU state */
    gen_helper_rfci(cpu_env);
    gen_sync_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* BookE specific */

/* XXX: not implemented on 440 ? */
static void gen_rfdi(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    /* Restore CPU state */
    gen_helper_rfdi(cpu_env);
    gen_sync_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* XXX: not implemented on 440 ? */
static void gen_rfmci(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    /* Restore CPU state */
    gen_helper_rfmci(cpu_env);
    gen_sync_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* TLB management - PowerPC 405 implementation */

/* tlbre */
static void gen_tlbre_40x(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    switch (rB(ctx->opcode)) {
    case 0:
        gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env,
                                cpu_gpr[rA(ctx->opcode)]);
        break;
    case 1:
        gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env,
                                cpu_gpr[rA(ctx->opcode)]);
        break;
    default:
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        break;
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbsx - tlbsx. */
static void gen_tlbsx_40x(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
    if (Rc(ctx->opcode)) {
        TCGLabel *l1 = gen_new_label();
        tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
        tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
        tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
        gen_set_label(l1);
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbwe */
static void gen_tlbwe_40x(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    switch (rB(ctx->opcode)) {
    case 0:
        gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)],
                                cpu_gpr[rS(ctx->opcode)]);
        break;
    case 1:
        gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)],
                                cpu_gpr[rS(ctx->opcode)]);
        break;
    default:
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        break;
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* TLB management - PowerPC 440 implementation */

/* tlbre */
static void gen_tlbre_440(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;

    switch (rB(ctx->opcode)) {
    case 0:
    case 1:
    case 2:
        {
            TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
            gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env,
                                 t0, cpu_gpr[rA(ctx->opcode)]);
            tcg_temp_free_i32(t0);
        }
        break;
    default:
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        break;
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbsx - tlbsx. */
static void gen_tlbsx_440(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0);
    tcg_temp_free(t0);
    if (Rc(ctx->opcode)) {
        TCGLabel *l1 = gen_new_label();
        tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so);
        tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
        tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
        gen_set_label(l1);
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbwe */
static void gen_tlbwe_440(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    switch (rB(ctx->opcode)) {
    case 0:
    case 1:
    case 2:
        {
            TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
            gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)],
                                 cpu_gpr[rS(ctx->opcode)]);
            tcg_temp_free_i32(t0);
        }
        break;
    default:
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        break;
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* TLB management - PowerPC BookE 2.06 implementation */

/* tlbre */
static void gen_tlbre_booke206(DisasContext *ctx)
{
 #if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
   CHK_SV;
    gen_helper_booke206_tlbre(cpu_env);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbsx - tlbsx. */
static void gen_tlbsx_booke206(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    if (rA(ctx->opcode)) {
        t0 = tcg_temp_new();
        tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]);
    } else {
        t0 = tcg_const_tl(0);
    }

    tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]);
    gen_helper_booke206_tlbsx(cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* tlbwe */
static void gen_tlbwe_booke206(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_booke206_tlbwe(cpu_env);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_tlbivax_booke206(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);
    gen_helper_booke206_tlbivax(cpu_env, t0);
    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_tlbilx_booke206(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    gen_addr_reg_index(ctx, t0);

    switch((ctx->opcode >> 21) & 0x3) {
    case 0:
        gen_helper_booke206_tlbilx0(cpu_env, t0);
        break;
    case 1:
        gen_helper_booke206_tlbilx1(cpu_env, t0);
        break;
    case 3:
        gen_helper_booke206_tlbilx3(cpu_env, t0);
        break;
    default:
        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
        break;
    }

    tcg_temp_free(t0);
#endif /* defined(CONFIG_USER_ONLY) */
}


/* wrtee */
static void gen_wrtee(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    TCGv t0;

    CHK_SV;
    t0 = tcg_temp_new();
    tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
    tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
    tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
    tcg_temp_free(t0);
    /* Stop translation to have a chance to raise an exception
     * if we just set msr_ee to 1
     */
    gen_stop_exception(ctx);
#endif /* defined(CONFIG_USER_ONLY) */
}

/* wrteei */
static void gen_wrteei(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    if (ctx->opcode & 0x00008000) {
        tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
        /* Stop translation to have a chance to raise an exception */
        gen_stop_exception(ctx);
    } else {
        tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
    }
#endif /* defined(CONFIG_USER_ONLY) */
}

/* PowerPC 440 specific instructions */

/* dlmzb */
static void gen_dlmzb(DisasContext *ctx)
{
    TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
    gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env,
                     cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
    tcg_temp_free_i32(t0);
}

/* mbar replaces eieio on 440 */
static void gen_mbar(DisasContext *ctx)
{
    /* interpreted as no-op */
}

/* msync replaces sync on 440 */
static void gen_msync_4xx(DisasContext *ctx)
{
    /* interpreted as no-op */
}

/* icbt */
static void gen_icbt_440(DisasContext *ctx)
{
    /* interpreted as no-op */
    /* XXX: specification say this is treated as a load by the MMU
     *      but does not generate any exception
     */
}

/* Embedded.Processor Control */

static void gen_msgclr(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}

static void gen_msgsnd(DisasContext *ctx)
{
#if defined(CONFIG_USER_ONLY)
    GEN_PRIV;
#else
    CHK_SV;
    gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]);
#endif /* defined(CONFIG_USER_ONLY) */
}


#if defined(TARGET_PPC64)
static void gen_maddld(DisasContext *ctx)
{
    TCGv_i64 t1 = tcg_temp_new_i64();

    tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
    tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]);
    tcg_temp_free_i64(t1);
}

/* maddhd maddhdu */
static void gen_maddhd_maddhdu(DisasContext *ctx)
{
    TCGv_i64 lo = tcg_temp_new_i64();
    TCGv_i64 hi = tcg_temp_new_i64();
    TCGv_i64 t1 = tcg_temp_new_i64();

    if (Rc(ctx->opcode)) {
        tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
                          cpu_gpr[rB(ctx->opcode)]);
        tcg_gen_movi_i64(t1, 0);
    } else {
        tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)],
                          cpu_gpr[rB(ctx->opcode)]);
        tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63);
    }
    tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi,
                     cpu_gpr[rC(ctx->opcode)], t1);
    tcg_temp_free_i64(lo);
    tcg_temp_free_i64(hi);
    tcg_temp_free_i64(t1);
}
#endif /* defined(TARGET_PPC64) */

static void gen_tbegin(DisasContext *ctx)
{
    if (unlikely(!ctx->tm_enabled)) {
        gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
        return;
    }
    gen_helper_tbegin(cpu_env);
}

#define GEN_TM_NOOP(name)                                      \
static inline void gen_##name(DisasContext *ctx)               \
{                                                              \
    if (unlikely(!ctx->tm_enabled)) {                          \
        gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
        return;                                                \
    }                                                          \
    /* Because tbegin always fails in QEMU, these user         \
     * space instructions all have a simple implementation:    \
     *                                                         \
     *     CR[0] = 0b0 || MSR[TS] || 0b0                       \
     *           = 0b0 || 0b00    || 0b0                       \
     */                                                        \
    tcg_gen_movi_i32(cpu_crf[0], 0);                           \
}

GEN_TM_NOOP(tend);
GEN_TM_NOOP(tabort);
GEN_TM_NOOP(tabortwc);
GEN_TM_NOOP(tabortwci);
GEN_TM_NOOP(tabortdc);
GEN_TM_NOOP(tabortdci);
GEN_TM_NOOP(tsr);

static void gen_tcheck(DisasContext *ctx)
{
    if (unlikely(!ctx->tm_enabled)) {
        gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);
        return;
    }
    /* Because tbegin always fails, the tcheck implementation
     * is simple:
     *
     * CR[CRF] = TDOOMED || MSR[TS] || 0b0
     *         = 0b1 || 0b00 || 0b0
     */
    tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8);
}

#if defined(CONFIG_USER_ONLY)
#define GEN_TM_PRIV_NOOP(name)                                 \
static inline void gen_##name(DisasContext *ctx)               \
{                                                              \
    gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC);           \
}

#else

#define GEN_TM_PRIV_NOOP(name)                                 \
static inline void gen_##name(DisasContext *ctx)               \
{                                                              \
    CHK_SV;                                                    \
    if (unlikely(!ctx->tm_enabled)) {                          \
        gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM);   \
        return;                                                \
    }                                                          \
    /* Because tbegin always fails, the implementation is      \
     * simple:                                                 \
     *                                                         \
     *   CR[0] = 0b0 || MSR[TS] || 0b0                         \
     *         = 0b0 || 0b00 | 0b0                             \
     */                                                        \
    tcg_gen_movi_i32(cpu_crf[0], 0);                           \
}

#endif

GEN_TM_PRIV_NOOP(treclaim);
GEN_TM_PRIV_NOOP(trechkpt);

#include "translate/fp-impl.inc.c"

#include "translate/vmx-impl.inc.c"

#include "translate/vsx-impl.inc.c"

#include "translate/dfp-impl.inc.c"

#include "translate/spe-impl.inc.c"

static opcode_t opcodes[] = {
GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE),
GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER),
GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400000, PPC_INTEGER),
GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER),
#if defined(TARGET_PPC64)
GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300),
#endif
GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205),
GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300),
GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER),
GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
#if defined(TARGET_PPC64)
GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B),
#endif
GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER),
GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER),
GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER),
GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300),
GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER),
GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER),
GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB),
GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD),
GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205),
#if defined(TARGET_PPC64)
GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD),
GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B),
GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205),
GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206),
#endif
GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER),
GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER),
GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER),
GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER),
#if defined(TARGET_PPC64)
GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B),
GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B),
GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B),
GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B),
GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B),
GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000,
               PPC_NONE, PPC2_ISA300),
GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
               PPC_NONE, PPC2_ISA300),
#endif
#if defined(TARGET_PPC64)
GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
#endif
GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING),
GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING),
GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING),
GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING),
GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO),
GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM),
GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES),
GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206),
GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES),
#if defined(TARGET_PPC64)
GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B),
GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207),
GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B),
GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207),
#endif
GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC),
GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT),
GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW),
GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW),
GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0, PPC_NONE, PPC2_BCTAR_ISA207),
GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER),
GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW),
#if defined(TARGET_PPC64)
GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B),
GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206),
GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H),
#endif
GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW),
GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW),
GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW),
#if defined(TARGET_PPC64)
GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B),
GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B),
#endif
GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC),
GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC),
GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC),
GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC),
GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB),
GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC),
#if defined(TARGET_PPC64)
GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B),
GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300),
#endif
GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x02000001, PPC_ALTIVEC),
GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT),
#if defined(TARGET_PPC64)
GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B),
GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
             PPC_SEGMENT_64B),
GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B),
GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
             PPC_SEGMENT_64B),
GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B),
GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B),
GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B),
GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B),
#endif
GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA),
/* XXX Those instructions will need to be handled differently for
 * different ISA versions */
GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE),
GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE),
GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC),
#if defined(TARGET_PPC64)
GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI),
GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI),
#endif
GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN),
GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN),
GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR),
GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR),
GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR),
GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR),
GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC),
GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC),
GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC),
GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB),
GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB),
GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB),
GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB),
GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER),
GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER),
GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER),
GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER),
GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER),
GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER),
GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2),
GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2),
GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2),
GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2),
GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2),
GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI),
GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA),
GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR),
GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR),
GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX),
GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX),
GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX),
GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX),
GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON),
GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON),
GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT),
GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON),
GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON),
GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP),
GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206),
GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI),
GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI),
GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB),
GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB),
GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB),
GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE),
GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE),
GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE),
GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001,
               PPC_NONE, PPC2_BOOKE206),
GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000,
               PPC_NONE, PPC2_BOOKE206),
GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001,
               PPC_NONE, PPC2_BOOKE206),
GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001,
               PPC_NONE, PPC2_BOOKE206),
GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001,
               PPC_NONE, PPC2_BOOKE206),
GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001,
               PPC_NONE, PPC2_PRCNTL),
GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001,
               PPC_NONE, PPC2_PRCNTL),
GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE),
GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE),
GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC),
GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801,
              PPC_BOOKE, PPC2_BOOKE206),
GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE),
GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001,
               PPC_BOOKE, PPC2_BOOKE206),
GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC),
GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC),
GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC),
GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC),
GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC),
#if defined(TARGET_PPC64)
GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE,
              PPC2_ISA300),
GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
#endif

#undef GEN_INT_ARITH_ADD
#undef GEN_INT_ARITH_ADD_CONST
#define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov)         \
GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER),
#define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val,                        \
                                add_ca, compute_ca, compute_ov)               \
GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER),
GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)

#undef GEN_INT_ARITH_DIVW
#define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov)                      \
GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER)
GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0),
GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1),
GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0),
GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1),
GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),

#if defined(TARGET_PPC64)
#undef GEN_INT_ARITH_DIVD
#define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov)                      \
GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0),
GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1),
GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0),
GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1),

GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),

#undef GEN_INT_ARITH_MUL_HELPER
#define GEN_INT_ARITH_MUL_HELPER(name, opc3)                                  \
GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B)
GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00),
GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02),
GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17),
#endif

#undef GEN_INT_ARITH_SUBF
#undef GEN_INT_ARITH_SUBF_CONST
#define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov)        \
GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER),
#define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val,                       \
                                add_ca, compute_ca, compute_ov)               \
GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER),
GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)

#undef GEN_LOGICAL1
#undef GEN_LOGICAL2
#define GEN_LOGICAL2(name, tcg_op, opc, type)                                 \
GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type)
#define GEN_LOGICAL1(name, tcg_op, opc, type)                                 \
GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type)
GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER),
GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER),
GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER),
GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER),
GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER),
GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER),
GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER),
GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER),
#if defined(TARGET_PPC64)
GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B),
#endif

#if defined(TARGET_PPC64)
#undef GEN_PPC64_R2
#undef GEN_PPC64_R4
#define GEN_PPC64_R2(name, opc1, opc2)                                        \
GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
             PPC_64B)
#define GEN_PPC64_R4(name, opc1, opc2)                                        \
GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\
GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000,   \
             PPC_64B),                                                        \
GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000,   \
             PPC_64B),                                                        \
GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000,   \
             PPC_64B)
GEN_PPC64_R4(rldicl, 0x1E, 0x00),
GEN_PPC64_R4(rldicr, 0x1E, 0x02),
GEN_PPC64_R4(rldic, 0x1E, 0x04),
GEN_PPC64_R2(rldcl, 0x1E, 0x08),
GEN_PPC64_R2(rldcr, 0x1E, 0x09),
GEN_PPC64_R4(rldimi, 0x1E, 0x06),
#endif

#undef GEN_LD
#undef GEN_LDU
#undef GEN_LDUX
#undef GEN_LDX_E
#undef GEN_LDS
#define GEN_LD(name, ldop, opc, type)                                         \
GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
#define GEN_LDU(name, ldop, opc, type)                                        \
GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
#define GEN_LDUX(name, ldop, opc2, opc3, type)                                \
GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
#define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk)                   \
GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
#define GEN_LDS(name, ldop, op, type)                                         \
GEN_LD(name, ldop, op | 0x20, type)                                           \
GEN_LDU(name, ldop, op | 0x21, type)                                          \
GEN_LDUX(name, ldop, 0x17, op | 0x01, type)                                   \
GEN_LDX(name, ldop, 0x17, op | 0x00, type)

GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
#if defined(TARGET_PPC64)
GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)

/* HV/P7 and later only */
GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST)
GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
#endif
GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER)
GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER)

#undef GEN_ST
#undef GEN_STU
#undef GEN_STUX
#undef GEN_STX_E
#undef GEN_STS
#define GEN_ST(name, stop, opc, type)                                         \
GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
#define GEN_STU(name, stop, opc, type)                                        \
GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type),
#define GEN_STUX(name, stop, opc2, opc3, type)                                \
GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
#define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk)                   \
GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
#define GEN_STS(name, stop, op, type)                                         \
GEN_ST(name, stop, op | 0x20, type)                                           \
GEN_STU(name, stop, op | 0x21, type)                                          \
GEN_STUX(name, stop, 0x17, op | 0x01, type)                                   \
GEN_STX(name, stop, 0x17, op | 0x00, type)

GEN_STS(stb, st8, 0x06, PPC_INTEGER)
GEN_STS(sth, st16, 0x0C, PPC_INTEGER)
GEN_STS(stw, st32, 0x04, PPC_INTEGER)
#if defined(TARGET_PPC64)
GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)
GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST)
#endif
GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER)
GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER)

#undef GEN_CRLOGIC
#define GEN_CRLOGIC(name, tcg_op, opc)                                        \
GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER)
GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08),
GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04),
GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09),
GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07),
GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01),
GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E),
GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D),
GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06),

#undef GEN_MAC_HANDLER
#define GEN_MAC_HANDLER(name, opc2, opc3)                                     \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC)
GEN_MAC_HANDLER(macchw, 0x0C, 0x05),
GEN_MAC_HANDLER(macchwo, 0x0C, 0x15),
GEN_MAC_HANDLER(macchws, 0x0C, 0x07),
GEN_MAC_HANDLER(macchwso, 0x0C, 0x17),
GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06),
GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16),
GEN_MAC_HANDLER(macchwu, 0x0C, 0x04),
GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14),
GEN_MAC_HANDLER(machhw, 0x0C, 0x01),
GEN_MAC_HANDLER(machhwo, 0x0C, 0x11),
GEN_MAC_HANDLER(machhws, 0x0C, 0x03),
GEN_MAC_HANDLER(machhwso, 0x0C, 0x13),
GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02),
GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12),
GEN_MAC_HANDLER(machhwu, 0x0C, 0x00),
GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10),
GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D),
GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D),
GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F),
GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F),
GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C),
GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C),
GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E),
GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E),
GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05),
GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15),
GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07),
GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17),
GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01),
GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11),
GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03),
GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13),
GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D),
GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D),
GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F),
GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F),
GEN_MAC_HANDLER(mulchw, 0x08, 0x05),
GEN_MAC_HANDLER(mulchwu, 0x08, 0x04),
GEN_MAC_HANDLER(mulhhw, 0x08, 0x01),
GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00),
GEN_MAC_HANDLER(mullhw, 0x08, 0x0D),
GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C),

GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tend,   "tend",   0x1F, 0x0E, 0x15, 0x01FFF800, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \
               PPC_NONE, PPC2_TM),
GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \
               PPC_NONE, PPC2_TM),

#include "translate/fp-ops.inc.c"

#include "translate/vmx-ops.inc.c"

#include "translate/vsx-ops.inc.c"

#include "translate/dfp-ops.inc.c"

#include "translate/spe-ops.inc.c"
};

#include "helper_regs.h"
#include "translate_init.c"

/*****************************************************************************/
/* Misc PowerPC helpers */
void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
                        int flags)
{
#define RGPL  4
#define RFPL  4

    PowerPCCPU *cpu = POWERPC_CPU(cs);
    CPUPPCState *env = &cpu->env;
    int i;

    cpu_fprintf(f, "NIP " TARGET_FMT_lx "   LR " TARGET_FMT_lx " CTR "
                TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n",
                env->nip, env->lr, env->ctr, cpu_read_xer(env),
                cs->cpu_index);
    cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx "  HF "
                TARGET_FMT_lx " iidx %d didx %d\n",
                env->msr, env->spr[SPR_HID0],
                env->hflags, env->immu_idx, env->dmmu_idx);
#if !defined(NO_TIMER_DUMP)
    cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64
#if !defined(CONFIG_USER_ONLY)
                " DECR %08" PRIu32
#endif
                "\n",
                cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
#if !defined(CONFIG_USER_ONLY)
                , cpu_ppc_load_decr(env)
#endif
                );
#endif
    for (i = 0; i < 32; i++) {
        if ((i & (RGPL - 1)) == 0)
            cpu_fprintf(f, "GPR%02d", i);
        cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i));
        if ((i & (RGPL - 1)) == (RGPL - 1))
            cpu_fprintf(f, "\n");
    }
    cpu_fprintf(f, "CR ");
    for (i = 0; i < 8; i++)
        cpu_fprintf(f, "%01x", env->crf[i]);
    cpu_fprintf(f, "  [");
    for (i = 0; i < 8; i++) {
        char a = '-';
        if (env->crf[i] & 0x08)
            a = 'L';
        else if (env->crf[i] & 0x04)
            a = 'G';
        else if (env->crf[i] & 0x02)
            a = 'E';
        cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
    }
    cpu_fprintf(f, " ]             RES " TARGET_FMT_lx "\n",
                env->reserve_addr);
    for (i = 0; i < 32; i++) {
        if ((i & (RFPL - 1)) == 0)
            cpu_fprintf(f, "FPR%02d", i);
        cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i]));
        if ((i & (RFPL - 1)) == (RFPL - 1))
            cpu_fprintf(f, "\n");
    }
    cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr);
#if !defined(CONFIG_USER_ONLY)
    cpu_fprintf(f, " SRR0 " TARGET_FMT_lx "  SRR1 " TARGET_FMT_lx
                   "    PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n",
                env->spr[SPR_SRR0], env->spr[SPR_SRR1],
                env->spr[SPR_PVR], env->spr[SPR_VRSAVE]);

    cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx
                   "  SPRG2 " TARGET_FMT_lx "  SPRG3 " TARGET_FMT_lx "\n",
                env->spr[SPR_SPRG0], env->spr[SPR_SPRG1],
                env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]);

    cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx
                   "  SPRG6 " TARGET_FMT_lx "  SPRG7 " TARGET_FMT_lx "\n",
                env->spr[SPR_SPRG4], env->spr[SPR_SPRG5],
                env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]);

#if defined(TARGET_PPC64)
    if (env->excp_model == POWERPC_EXCP_POWER7 ||
        env->excp_model == POWERPC_EXCP_POWER8) {
        cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n",
                    env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]);
    }
#endif
    if (env->excp_model == POWERPC_EXCP_BOOKE) {
        cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx
                       " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n",
                    env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1],
                    env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]);

        cpu_fprintf(f, "  TCR " TARGET_FMT_lx "   TSR " TARGET_FMT_lx
                       "    ESR " TARGET_FMT_lx "   DEAR " TARGET_FMT_lx "\n",
                    env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR],
                    env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]);

        cpu_fprintf(f, "  PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx
                       "   IVPR " TARGET_FMT_lx "   EPCR " TARGET_FMT_lx "\n",
                    env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR],
                    env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]);

        cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx
                       "    EPR " TARGET_FMT_lx "\n",
                    env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8],
                    env->spr[SPR_BOOKE_EPR]);

        /* FSL-specific */
        cpu_fprintf(f, " MCAR " TARGET_FMT_lx "  PID1 " TARGET_FMT_lx
                       "   PID2 " TARGET_FMT_lx "    SVR " TARGET_FMT_lx "\n",
                    env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1],
                    env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]);

        /*
         * IVORs are left out as they are large and do not change often --
         * they can be read with "p $ivor0", "p $ivor1", etc.
         */
    }

#if defined(TARGET_PPC64)
    if (env->flags & POWERPC_FLAG_CFAR) {
        cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar);
    }
#endif

    switch (env->mmu_model) {
    case POWERPC_MMU_32B:
    case POWERPC_MMU_601:
    case POWERPC_MMU_SOFT_6xx:
    case POWERPC_MMU_SOFT_74xx:
#if defined(TARGET_PPC64)
    case POWERPC_MMU_64B:
    case POWERPC_MMU_2_03:
    case POWERPC_MMU_2_06:
    case POWERPC_MMU_2_06a:
    case POWERPC_MMU_2_07:
    case POWERPC_MMU_2_07a:
#endif
        cpu_fprintf(f, " SDR1 " TARGET_FMT_lx "   DAR " TARGET_FMT_lx
                       "  DSISR " TARGET_FMT_lx "\n", env->spr[SPR_SDR1],
                    env->spr[SPR_DAR], env->spr[SPR_DSISR]);
        break;
    case POWERPC_MMU_BOOKE206:
        cpu_fprintf(f, " MAS0 " TARGET_FMT_lx "  MAS1 " TARGET_FMT_lx
                       "   MAS2 " TARGET_FMT_lx "   MAS3 " TARGET_FMT_lx "\n",
                    env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1],
                    env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]);

        cpu_fprintf(f, " MAS4 " TARGET_FMT_lx "  MAS6 " TARGET_FMT_lx
                       "   MAS7 " TARGET_FMT_lx "    PID " TARGET_FMT_lx "\n",
                    env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6],
                    env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]);

        cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx
                       " TLB1CFG " TARGET_FMT_lx "\n",
                    env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG],
                    env->spr[SPR_BOOKE_TLB1CFG]);
        break;
    default:
        break;
    }
#endif

#undef RGPL
#undef RFPL
}

void ppc_cpu_dump_statistics(CPUState *cs, FILE*f,
                             fprintf_function cpu_fprintf, int flags)
{
#if defined(DO_PPC_STATISTICS)
    PowerPCCPU *cpu = POWERPC_CPU(cs);
    opc_handler_t **t1, **t2, **t3, *handler;
    int op1, op2, op3;

    t1 = cpu->env.opcodes;
    for (op1 = 0; op1 < 64; op1++) {
        handler = t1[op1];
        if (is_indirect_opcode(handler)) {
            t2 = ind_table(handler);
            for (op2 = 0; op2 < 32; op2++) {
                handler = t2[op2];
                if (is_indirect_opcode(handler)) {
                    t3 = ind_table(handler);
                    for (op3 = 0; op3 < 32; op3++) {
                        handler = t3[op3];
                        if (handler->count == 0)
                            continue;
                        cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
                                    "%016" PRIx64 " %" PRId64 "\n",
                                    op1, op2, op3, op1, (op3 << 5) | op2,
                                    handler->oname,
                                    handler->count, handler->count);
                    }
                } else {
                    if (handler->count == 0)
                        continue;
                    cpu_fprintf(f, "%02x %02x    (%02x %04d) %16s: "
                                "%016" PRIx64 " %" PRId64 "\n",
                                op1, op2, op1, op2, handler->oname,
                                handler->count, handler->count);
                }
            }
        } else {
            if (handler->count == 0)
                continue;
            cpu_fprintf(f, "%02x       (%02x     ) %16s: %016" PRIx64
                        " %" PRId64 "\n",
                        op1, op1, handler->oname,
                        handler->count, handler->count);
        }
    }
#endif
}

/*****************************************************************************/
void gen_intermediate_code(CPUPPCState *env, struct TranslationBlock *tb)
{
    PowerPCCPU *cpu = ppc_env_get_cpu(env);
    CPUState *cs = CPU(cpu);
    DisasContext ctx, *ctxp = &ctx;
    opc_handler_t **table, *handler;
    target_ulong pc_start;
    int num_insns;
    int max_insns;

    pc_start = tb->pc;
    ctx.nip = pc_start;
    ctx.tb = tb;
    ctx.exception = POWERPC_EXCP_NONE;
    ctx.spr_cb = env->spr_cb;
    ctx.pr = msr_pr;
    ctx.mem_idx = env->dmmu_idx;
    ctx.dr = msr_dr;
#if !defined(CONFIG_USER_ONLY)
    ctx.hv = msr_hv || !env->has_hv_mode;
#endif
    ctx.insns_flags = env->insns_flags;
    ctx.insns_flags2 = env->insns_flags2;
    ctx.access_type = -1;
    ctx.need_access_type = !(env->mmu_model & POWERPC_MMU_64B);
    ctx.le_mode = !!(env->hflags & (1 << MSR_LE));
    ctx.default_tcg_memop_mask = ctx.le_mode ? MO_LE : MO_BE;
#if defined(TARGET_PPC64)
    ctx.sf_mode = msr_is_64bit(env, env->msr);
    ctx.has_cfar = !!(env->flags & POWERPC_FLAG_CFAR);
#endif
    if (env->mmu_model == POWERPC_MMU_32B ||
        env->mmu_model == POWERPC_MMU_601 ||
        (env->mmu_model & POWERPC_MMU_64B))
            ctx.lazy_tlb_flush = true;

    ctx.fpu_enabled = !!msr_fp;
    if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
        ctx.spe_enabled = !!msr_spe;
    else
        ctx.spe_enabled = false;
    if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
        ctx.altivec_enabled = !!msr_vr;
    else
        ctx.altivec_enabled = false;
    if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) {
        ctx.vsx_enabled = !!msr_vsx;
    } else {
        ctx.vsx_enabled = false;
    }
#if defined(TARGET_PPC64)
    if ((env->flags & POWERPC_FLAG_TM) && msr_tm) {
        ctx.tm_enabled = !!msr_tm;
    } else {
        ctx.tm_enabled = false;
    }
#endif
    if ((env->flags & POWERPC_FLAG_SE) && msr_se)
        ctx.singlestep_enabled = CPU_SINGLE_STEP;
    else
        ctx.singlestep_enabled = 0;
    if ((env->flags & POWERPC_FLAG_BE) && msr_be)
        ctx.singlestep_enabled |= CPU_BRANCH_STEP;
    if (unlikely(cs->singlestep_enabled)) {
        ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP;
    }
#if defined (DO_SINGLE_STEP) && 0
    /* Single step trace mode */
    msr_se = 1;
#endif
    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);
    tcg_clear_temp_count();
    /* Set env in case of segfault during code fetch */
    while (ctx.exception == POWERPC_EXCP_NONE && !tcg_op_buf_full()) {
        tcg_gen_insn_start(ctx.nip);
        num_insns++;

        if (unlikely(cpu_breakpoint_test(cs, ctx.nip, BP_ANY))) {
            gen_debug_exception(ctxp);
            /* 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.  */
            ctx.nip += 4;
            break;
        }

        LOG_DISAS("----------------\n");
        LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n",
                  ctx.nip, ctx.mem_idx, (int)msr_ir);
        if (num_insns == max_insns && (tb->cflags & CF_LAST_IO))
            gen_io_start();
        if (unlikely(need_byteswap(&ctx))) {
            ctx.opcode = bswap32(cpu_ldl_code(env, ctx.nip));
        } else {
            ctx.opcode = cpu_ldl_code(env, ctx.nip);
        }
        LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n",
                  ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
                  opc3(ctx.opcode), opc4(ctx.opcode),
                  ctx.le_mode ? "little" : "big");
        ctx.nip += 4;
        table = env->opcodes;
        handler = table[opc1(ctx.opcode)];
        if (is_indirect_opcode(handler)) {
            table = ind_table(handler);
            handler = table[opc2(ctx.opcode)];
            if (is_indirect_opcode(handler)) {
                table = ind_table(handler);
                handler = table[opc3(ctx.opcode)];
                if (is_indirect_opcode(handler)) {
                    table = ind_table(handler);
                    handler = table[opc4(ctx.opcode)];
                }
            }
        }
        /* Is opcode *REALLY* valid ? */
        if (unlikely(handler->handler == &gen_invalid)) {
            qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: "
                          "%02x - %02x - %02x - %02x (%08x) "
                          TARGET_FMT_lx " %d\n",
                          opc1(ctx.opcode), opc2(ctx.opcode),
                          opc3(ctx.opcode), opc4(ctx.opcode),
                          ctx.opcode, ctx.nip - 4, (int)msr_ir);
        } else {
            uint32_t inval;

            if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) && Rc(ctx.opcode))) {
                inval = handler->inval2;
            } else {
                inval = handler->inval1;
            }

            if (unlikely((ctx.opcode & inval) != 0)) {
                qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: "
                              "%02x - %02x - %02x - %02x (%08x) "
                              TARGET_FMT_lx "\n", ctx.opcode & inval,
                              opc1(ctx.opcode), opc2(ctx.opcode),
                              opc3(ctx.opcode), opc4(ctx.opcode),
                              ctx.opcode, ctx.nip - 4);
                gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL);
                break;
            }
        }
        (*(handler->handler))(&ctx);
#if defined(DO_PPC_STATISTICS)
        handler->count++;
#endif
        /* Check trace mode exceptions */
        if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP &&
                     (ctx.nip <= 0x100 || ctx.nip > 0xF00) &&
                     ctx.exception != POWERPC_SYSCALL &&
                     ctx.exception != POWERPC_EXCP_TRAP &&
                     ctx.exception != POWERPC_EXCP_BRANCH)) {
            gen_exception_nip(ctxp, POWERPC_EXCP_TRACE, ctx.nip);
        } else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) ||
                            (cs->singlestep_enabled) ||
                            singlestep ||
                            num_insns >= max_insns)) {
            /* if we reach a page boundary or are single stepping, stop
             * generation
             */
            break;
        }
        if (tcg_check_temp_count()) {
            fprintf(stderr, "Opcode %02x %02x %02x %02x (%08x) leaked "
                    "temporaries\n", opc1(ctx.opcode), opc2(ctx.opcode),
                    opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode);
            exit(1);
        }
    }
    if (tb->cflags & CF_LAST_IO)
        gen_io_end();
    if (ctx.exception == POWERPC_EXCP_NONE) {
        gen_goto_tb(&ctx, 0, ctx.nip);
    } else if (ctx.exception != POWERPC_EXCP_BRANCH) {
        if (unlikely(cs->singlestep_enabled)) {
            gen_debug_exception(ctxp);
        }
        /* Generate the return instruction */
        tcg_gen_exit_tb(0);
    }
    gen_tb_end(tb, num_insns);

    tb->size = ctx.nip - pc_start;
    tb->icount = num_insns;

#if defined(DEBUG_DISAS)
    if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)
        && qemu_log_in_addr_range(pc_start)) {
        int flags;
        flags = env->bfd_mach;
        flags |= ctx.le_mode << 16;
        qemu_log("IN: %s\n", lookup_symbol(pc_start));
        log_target_disas(cs, pc_start, ctx.nip - pc_start, flags);
        qemu_log("\n");
    }
#endif
}

void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb,
                          target_ulong *data)
{
    env->nip = data[0];
}