tracing/events: move trace point headers into include/trace/events - openslx/kernel-qcow2-linux.git

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author	Steven Rostedt	2009-04-15 01:39:12 +0200
committer	Steven Rostedt	2009-04-15 04:05:43 +0200
commit	ad8d75fff811a6a230f7f43b05a6483099349533 (patch)
tree	764f75c0785b29067b141719b6e8000f005da7fd /samples/Kconfig
parent	tracing/events: fix lockdep system name (diff)
download	kernel-qcow2-linux-ad8d75fff811a6a230f7f43b05a6483099349533.tar.gz kernel-qcow2-linux-ad8d75fff811a6a230f7f43b05a6483099349533.tar.xz kernel-qcow2-linux-ad8d75fff811a6a230f7f43b05a6483099349533.zip

tracing/events: move trace point headers into include/trace/events

Impact: clean up Create a sub directory in include/trace called events to keep the trace point headers in their own separate directory. Only headers that declare trace points should be defined in this directory. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Zhao Lei <zhaolei@cn.fujitsu.com> Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

Diffstat (limited to 'samples/Kconfig')

0 files changed, 0 insertions, 0 deletions

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/*
   SPARC translation

   Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
   Copyright (C) 2003-2005 Fabrice Bellard

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>

#include "cpu.h"
#include "disas/disas.h"
#include "helper.h"
#include "tcg-op.h"

#define GEN_HELPER 1
#include "helper.h"

#define DEBUG_DISAS

#define DYNAMIC_PC  1 /* dynamic pc value */
#define JUMP_PC     2 /* dynamic pc value which takes only two values
                         according to jump_pc[T2] */

/* global register indexes */
static TCGv_ptr cpu_env, cpu_regwptr;
static TCGv cpu_cc_src, cpu_cc_src2, cpu_cc_dst;
static TCGv_i32 cpu_cc_op;
static TCGv_i32 cpu_psr;
static TCGv cpu_fsr, cpu_pc, cpu_npc, cpu_gregs[8];
static TCGv cpu_y;
#ifndef CONFIG_USER_ONLY
static TCGv cpu_tbr;
#endif
static TCGv cpu_cond;
#ifdef TARGET_SPARC64
static TCGv_i32 cpu_xcc, cpu_asi, cpu_fprs;
static TCGv cpu_gsr;
static TCGv cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr;
static TCGv cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver;
static TCGv_i32 cpu_softint;
#else
static TCGv cpu_wim;
#endif
/* Floating point registers */
static TCGv_i64 cpu_fpr[TARGET_DPREGS];

static target_ulong gen_opc_npc[OPC_BUF_SIZE];
static target_ulong gen_opc_jump_pc[2];

#include "exec/gen-icount.h"

typedef struct DisasContext {
    target_ulong pc;    /* current Program Counter: integer or DYNAMIC_PC */
    target_ulong npc;   /* next PC: integer or DYNAMIC_PC or JUMP_PC */
    target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
    int is_br;
    int mem_idx;
    int fpu_enabled;
    int address_mask_32bit;
    int singlestep;
    uint32_t cc_op;  /* current CC operation */
    struct TranslationBlock *tb;
    sparc_def_t *def;
    TCGv_i32 t32[3];
    TCGv ttl[5];
    int n_t32;
    int n_ttl;
} DisasContext;

typedef struct {
    TCGCond cond;
    bool is_bool;
    bool g1, g2;
    TCGv c1, c2;
} DisasCompare;

// This function uses non-native bit order
#define GET_FIELD(X, FROM, TO)                                  \
    ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))

// This function uses the order in the manuals, i.e. bit 0 is 2^0
#define GET_FIELD_SP(X, FROM, TO)               \
    GET_FIELD(X, 31 - (TO), 31 - (FROM))

#define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1)
#define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), ((b) - (a) + 1))

#ifdef TARGET_SPARC64
#define DFPREG(r) (((r & 1) << 5) | (r & 0x1e))
#define QFPREG(r) (((r & 1) << 5) | (r & 0x1c))
#else
#define DFPREG(r) (r & 0x1e)
#define QFPREG(r) (r & 0x1c)
#endif

#define UA2005_HTRAP_MASK 0xff
#define V8_TRAP_MASK 0x7f

static int sign_extend(int x, int len)
{
    len = 32 - len;
    return (x << len) >> len;
}

#define IS_IMM (insn & (1<<13))

static inline TCGv_i32 get_temp_i32(DisasContext *dc)
{
    TCGv_i32 t;
    assert(dc->n_t32 < ARRAY_SIZE(dc->t32));
    dc->t32[dc->n_t32++] = t = tcg_temp_new_i32();
    return t;
}

static inline TCGv get_temp_tl(DisasContext *dc)
{
    TCGv t;
    assert(dc->n_ttl < ARRAY_SIZE(dc->ttl));
    dc->ttl[dc->n_ttl++] = t = tcg_temp_new();
    return t;
}

static inline void gen_update_fprs_dirty(int rd)
{
#if defined(TARGET_SPARC64)
    tcg_gen_ori_i32(cpu_fprs, cpu_fprs, (rd < 32) ? 1 : 2);
#endif
}

/* floating point registers moves */
static TCGv_i32 gen_load_fpr_F(DisasContext *dc, unsigned int src)
{
#if TCG_TARGET_REG_BITS == 32
    if (src & 1) {
        return TCGV_LOW(cpu_fpr[src / 2]);
    } else {
        return TCGV_HIGH(cpu_fpr[src / 2]);
    }
#else
    if (src & 1) {
        return MAKE_TCGV_I32(GET_TCGV_I64(cpu_fpr[src / 2]));
    } else {
        TCGv_i32 ret = get_temp_i32(dc);
        TCGv_i64 t = tcg_temp_new_i64();

        tcg_gen_shri_i64(t, cpu_fpr[src / 2], 32);
        tcg_gen_trunc_i64_i32(ret, t);
        tcg_temp_free_i64(t);

        return ret;
    }
#endif
}

static void gen_store_fpr_F(DisasContext *dc, unsigned int dst, TCGv_i32 v)
{
#if TCG_TARGET_REG_BITS == 32
    if (dst & 1) {
        tcg_gen_mov_i32(TCGV_LOW(cpu_fpr[dst / 2]), v);
    } else {
        tcg_gen_mov_i32(TCGV_HIGH(cpu_fpr[dst / 2]), v);
    }
#else
    TCGv_i64 t = MAKE_TCGV_I64(GET_TCGV_I32(v));
    tcg_gen_deposit_i64(cpu_fpr[dst / 2], cpu_fpr[dst / 2], t,
                        (dst & 1 ? 0 : 32), 32);
#endif
    gen_update_fprs_dirty(dst);
}

static TCGv_i32 gen_dest_fpr_F(DisasContext *dc)
{
    return get_temp_i32(dc);
}

static TCGv_i64 gen_load_fpr_D(DisasContext *dc, unsigned int src)
{
    src = DFPREG(src);
    return cpu_fpr[src / 2];
}

static void gen_store_fpr_D(DisasContext *dc, unsigned int dst, TCGv_i64 v)
{
    dst = DFPREG(dst);
    tcg_gen_mov_i64(cpu_fpr[dst / 2], v);
    gen_update_fprs_dirty(dst);
}

static TCGv_i64 gen_dest_fpr_D(DisasContext *dc, unsigned int dst)
{
    return cpu_fpr[DFPREG(dst) / 2];
}

static void gen_op_load_fpr_QT0(unsigned int src)
{
    tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
                   offsetof(CPU_QuadU, ll.upper));
    tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
                   offsetof(CPU_QuadU, ll.lower));
}

static void gen_op_load_fpr_QT1(unsigned int src)
{
    tcg_gen_st_i64(cpu_fpr[src / 2], cpu_env, offsetof(CPUSPARCState, qt1) +
                   offsetof(CPU_QuadU, ll.upper));
    tcg_gen_st_i64(cpu_fpr[src/2 + 1], cpu_env, offsetof(CPUSPARCState, qt1) +
                   offsetof(CPU_QuadU, ll.lower));
}

static void gen_op_store_QT0_fpr(unsigned int dst)
{
    tcg_gen_ld_i64(cpu_fpr[dst / 2], cpu_env, offsetof(CPUSPARCState, qt0) +
                   offsetof(CPU_QuadU, ll.upper));
    tcg_gen_ld_i64(cpu_fpr[dst/2 + 1], cpu_env, offsetof(CPUSPARCState, qt0) +
                   offsetof(CPU_QuadU, ll.lower));
}

#ifdef TARGET_SPARC64
static void gen_move_Q(unsigned int rd, unsigned int rs)
{
    rd = QFPREG(rd);
    rs = QFPREG(rs);

    tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
    tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
    gen_update_fprs_dirty(rd);
}
#endif

/* moves */
#ifdef CONFIG_USER_ONLY
#define supervisor(dc) 0
#ifdef TARGET_SPARC64
#define hypervisor(dc) 0
#endif
#else
#define supervisor(dc) (dc->mem_idx >= MMU_KERNEL_IDX)
#ifdef TARGET_SPARC64
#define hypervisor(dc) (dc->mem_idx == MMU_HYPV_IDX)
#else
#endif
#endif

#ifdef TARGET_SPARC64
#ifndef TARGET_ABI32
#define AM_CHECK(dc) ((dc)->address_mask_32bit)
#else
#define AM_CHECK(dc) (1)
#endif
#endif

static inline void gen_address_mask(DisasContext *dc, TCGv addr)
{
#ifdef TARGET_SPARC64
    if (AM_CHECK(dc))
        tcg_gen_andi_tl(addr, addr, 0xffffffffULL);
#endif
}

static inline TCGv gen_load_gpr(DisasContext *dc, int reg)
{
    if (reg == 0 || reg >= 8) {
        TCGv t = get_temp_tl(dc);
        if (reg == 0) {
            tcg_gen_movi_tl(t, 0);
        } else {
            tcg_gen_ld_tl(t, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
        }
        return t;
    } else {
        return cpu_gregs[reg];
    }
}

static inline void gen_store_gpr(DisasContext *dc, int reg, TCGv v)
{
    if (reg > 0) {
        if (reg < 8) {
            tcg_gen_mov_tl(cpu_gregs[reg], v);
        } else {
            tcg_gen_st_tl(v, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
        }
    }
}

static inline TCGv gen_dest_gpr(DisasContext *dc, int reg)
{
    if (reg == 0 || reg >= 8) {
        return get_temp_tl(dc);
    } else {
        return cpu_gregs[reg];
    }
}

static inline void gen_goto_tb(DisasContext *s, int tb_num,
                               target_ulong pc, target_ulong npc)
{
    TranslationBlock *tb;

    tb = s->tb;
    if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) &&
        (npc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) &&
        !s->singlestep)  {
        /* jump to same page: we can use a direct jump */
        tcg_gen_goto_tb(tb_num);
        tcg_gen_movi_tl(cpu_pc, pc);
        tcg_gen_movi_tl(cpu_npc, npc);
        tcg_gen_exit_tb((uintptr_t)tb + tb_num);
    } else {
        /* jump to another page: currently not optimized */
        tcg_gen_movi_tl(cpu_pc, pc);
        tcg_gen_movi_tl(cpu_npc, npc);
        tcg_gen_exit_tb(0);
    }
}

// XXX suboptimal
static inline void gen_mov_reg_N(TCGv reg, TCGv_i32 src)
{
    tcg_gen_extu_i32_tl(reg, src);
    tcg_gen_shri_tl(reg, reg, PSR_NEG_SHIFT);
    tcg_gen_andi_tl(reg, reg, 0x1);
}

static inline void gen_mov_reg_Z(TCGv reg, TCGv_i32 src)
{
    tcg_gen_extu_i32_tl(reg, src);
    tcg_gen_shri_tl(reg, reg, PSR_ZERO_SHIFT);
    tcg_gen_andi_tl(reg, reg, 0x1);
}

static inline void gen_mov_reg_V(TCGv reg, TCGv_i32 src)
{
    tcg_gen_extu_i32_tl(reg, src);
    tcg_gen_shri_tl(reg, reg, PSR_OVF_SHIFT);
    tcg_gen_andi_tl(reg, reg, 0x1);
}

static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
{
    tcg_gen_extu_i32_tl(reg, src);
    tcg_gen_shri_tl(reg, reg, PSR_CARRY_SHIFT);
    tcg_gen_andi_tl(reg, reg, 0x1);
}

static inline void gen_op_addi_cc(TCGv dst, TCGv src1, target_long src2)
{
    tcg_gen_mov_tl(cpu_cc_src, src1);
    tcg_gen_movi_tl(cpu_cc_src2, src2);
    tcg_gen_addi_tl(cpu_cc_dst, cpu_cc_src, src2);
    tcg_gen_mov_tl(dst, cpu_cc_dst);
}

static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
{
    tcg_gen_mov_tl(cpu_cc_src, src1);
    tcg_gen_mov_tl(cpu_cc_src2, src2);
    tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
    tcg_gen_mov_tl(dst, cpu_cc_dst);
}

static TCGv_i32 gen_add32_carry32(void)
{
    TCGv_i32 carry_32, cc_src1_32, cc_src2_32;

    /* Carry is computed from a previous add: (dst < src)  */
#if TARGET_LONG_BITS == 64
    cc_src1_32 = tcg_temp_new_i32();
    cc_src2_32 = tcg_temp_new_i32();
    tcg_gen_trunc_i64_i32(cc_src1_32, cpu_cc_dst);
    tcg_gen_trunc_i64_i32(cc_src2_32, cpu_cc_src);
#else
    cc_src1_32 = cpu_cc_dst;
    cc_src2_32 = cpu_cc_src;
#endif

    carry_32 = tcg_temp_new_i32();
    tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);

#if TARGET_LONG_BITS == 64
    tcg_temp_free_i32(cc_src1_32);
    tcg_temp_free_i32(cc_src2_32);
#endif

    return carry_32;
}

static TCGv_i32 gen_sub32_carry32(void)
{
    TCGv_i32 carry_32, cc_src1_32, cc_src2_32;

    /* Carry is computed from a previous borrow: (src1 < src2)  */
#if TARGET_LONG_BITS == 64
    cc_src1_32 = tcg_temp_new_i32();
    cc_src2_32 = tcg_temp_new_i32();
    tcg_gen_trunc_i64_i32(cc_src1_32, cpu_cc_src);
    tcg_gen_trunc_i64_i32(cc_src2_32, cpu_cc_src2);
#else
    cc_src1_32 = cpu_cc_src;
    cc_src2_32 = cpu_cc_src2;
#endif

    carry_32 = tcg_temp_new_i32();
    tcg_gen_setcond_i32(TCG_COND_LTU, carry_32, cc_src1_32, cc_src2_32);

#if TARGET_LONG_BITS == 64
    tcg_temp_free_i32(cc_src1_32);
    tcg_temp_free_i32(cc_src2_32);
#endif

    return carry_32;
}

static void gen_op_addx_int(DisasContext *dc, TCGv dst, TCGv src1,
                            TCGv src2, int update_cc)
{
    TCGv_i32 carry_32;
    TCGv carry;

    switch (dc->cc_op) {
    case CC_OP_DIV:
    case CC_OP_LOGIC:
        /* Carry is known to be zero.  Fall back to plain ADD.  */
        if (update_cc) {
            gen_op_add_cc(dst, src1, src2);
        } else {
            tcg_gen_add_tl(dst, src1, src2);
        }
        return;

    case CC_OP_ADD:
    case CC_OP_TADD:
    case CC_OP_TADDTV:
        if (TARGET_LONG_BITS == 32) {
            /* We can re-use the host's hardware carry generation by using
               an ADD2 opcode.  We discard the low part of the output.
               Ideally we'd combine this operation with the add that
               generated the carry in the first place.  */
            carry = tcg_temp_new();
            tcg_gen_add2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
            tcg_temp_free(carry);
            goto add_done;
        }
        carry_32 = gen_add32_carry32();
        break;

    case CC_OP_SUB:
    case CC_OP_TSUB:
    case CC_OP_TSUBTV:
        carry_32 = gen_sub32_carry32();
        break;

    default:
        /* We need external help to produce the carry.  */
        carry_32 = tcg_temp_new_i32();
        gen_helper_compute_C_icc(carry_32, cpu_env);
        break;
    }

#if TARGET_LONG_BITS == 64
    carry = tcg_temp_new();
    tcg_gen_extu_i32_i64(carry, carry_32);
#else
    carry = carry_32;
#endif

    tcg_gen_add_tl(dst, src1, src2);
    tcg_gen_add_tl(dst, dst, carry);

    tcg_temp_free_i32(carry_32);
#if TARGET_LONG_BITS == 64
    tcg_temp_free(carry);
#endif

 add_done:
    if (update_cc) {
        tcg_gen_mov_tl(cpu_cc_src, src1);
        tcg_gen_mov_tl(cpu_cc_src2, src2);
        tcg_gen_mov_tl(cpu_cc_dst, dst);
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
        dc->cc_op = CC_OP_ADDX;
    }
}

static inline void gen_op_subi_cc(TCGv dst, TCGv src1, target_long src2, DisasContext *dc)
{
    tcg_gen_mov_tl(cpu_cc_src, src1);
    tcg_gen_movi_tl(cpu_cc_src2, src2);
    if (src2 == 0) {
        tcg_gen_mov_tl(cpu_cc_dst, src1);
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_LOGIC);
        dc->cc_op = CC_OP_LOGIC;
    } else {
        tcg_gen_subi_tl(cpu_cc_dst, cpu_cc_src, src2);
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
        dc->cc_op = CC_OP_SUB;
    }
    tcg_gen_mov_tl(dst, cpu_cc_dst);
}

static inline void gen_op_sub_cc(TCGv dst, TCGv src1, TCGv src2)
{
    tcg_gen_mov_tl(cpu_cc_src, src1);
    tcg_gen_mov_tl(cpu_cc_src2, src2);
    tcg_gen_sub_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
    tcg_gen_mov_tl(dst, cpu_cc_dst);
}

static void gen_op_subx_int(DisasContext *dc, TCGv dst, TCGv src1,
                            TCGv src2, int update_cc)
{
    TCGv_i32 carry_32;
    TCGv carry;

    switch (dc->cc_op) {
    case CC_OP_DIV:
    case CC_OP_LOGIC:
        /* Carry is known to be zero.  Fall back to plain SUB.  */
        if (update_cc) {
            gen_op_sub_cc(dst, src1, src2);
        } else {
            tcg_gen_sub_tl(dst, src1, src2);
        }
        return;

    case CC_OP_ADD:
    case CC_OP_TADD:
    case CC_OP_TADDTV:
        carry_32 = gen_add32_carry32();
        break;

    case CC_OP_SUB:
    case CC_OP_TSUB:
    case CC_OP_TSUBTV:
        if (TARGET_LONG_BITS == 32) {
            /* We can re-use the host's hardware carry generation by using
               a SUB2 opcode.  We discard the low part of the output.
               Ideally we'd combine this operation with the add that
               generated the carry in the first place.  */
            carry = tcg_temp_new();
            tcg_gen_sub2_tl(carry, dst, cpu_cc_src, src1, cpu_cc_src2, src2);
            tcg_temp_free(carry);
            goto sub_done;
        }
        carry_32 = gen_sub32_carry32();
        break;

    default:
        /* We need external help to produce the carry.  */
        carry_32 = tcg_temp_new_i32();
        gen_helper_compute_C_icc(carry_32, cpu_env);
        break;
    }

#if TARGET_LONG_BITS == 64
    carry = tcg_temp_new();
    tcg_gen_extu_i32_i64(carry, carry_32);
#else
    carry = carry_32;
#endif

    tcg_gen_sub_tl(dst, src1, src2);
    tcg_gen_sub_tl(dst, dst, carry);

    tcg_temp_free_i32(carry_32);
#if TARGET_LONG_BITS == 64
    tcg_temp_free(carry);
#endif

 sub_done:
    if (update_cc) {
        tcg_gen_mov_tl(cpu_cc_src, src1);
        tcg_gen_mov_tl(cpu_cc_src2, src2);
        tcg_gen_mov_tl(cpu_cc_dst, dst);
        tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUBX);
        dc->cc_op = CC_OP_SUBX;
    }
}

static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
{
    TCGv r_temp, zero, t0;

    r_temp = tcg_temp_new();
    t0 = tcg_temp_new();

    /* old op:
    if (!(env->y & 1))
        T1 = 0;
    */
    zero = tcg_const_tl(0);
    tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff);
    tcg_gen_andi_tl(r_temp, cpu_y, 0x1);
    tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff);
    tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero,
                       zero, cpu_cc_src2);
    tcg_temp_free(zero);

    // b2 = T0 & 1;
    // env->y = (b2 << 31) | (env->y >> 1);
    tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1);
    tcg_gen_shli_tl(r_temp, r_temp, 31);
    tcg_gen_shri_tl(t0, cpu_y, 1);
    tcg_gen_andi_tl(t0, t0, 0x7fffffff);
    tcg_gen_or_tl(t0, t0, r_temp);
    tcg_gen_andi_tl(cpu_y, t0, 0xffffffff);

    // b1 = N ^ V;
    gen_mov_reg_N(t0, cpu_psr);
    gen_mov_reg_V(r_temp, cpu_psr);
    tcg_gen_xor_tl(t0, t0, r_temp);
    tcg_temp_free(r_temp);

    // T0 = (b1 << 31) | (T0 >> 1);
    // src1 = T0;
    tcg_gen_shli_tl(t0, t0, 31);
    tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
    tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0);
    tcg_temp_free(t0);

    tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);

    tcg_gen_mov_tl(dst, cpu_cc_dst);
}

static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
{
#if TARGET_LONG_BITS == 32
    if (sign_ext) {
        tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
    } else {
        tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
    }
#else
    TCGv t0 = tcg_temp_new_i64();
    TCGv t1 = tcg_temp_new_i64();

    if (sign_ext) {
        tcg_gen_ext32s_i64(t0, src1);
        tcg_gen_ext32s_i64(t1, src2);
    } else {
        tcg_gen_ext32u_i64(t0, src1);
        tcg_gen_ext32u_i64(t1, src2);
    }

    tcg_gen_mul_i64(dst, t0, t1);
    tcg_temp_free(t0);
    tcg_temp_free(t1);

    tcg_gen_shri_i64(cpu_y, dst, 32);
#endif
}

static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
{
    /* zero-extend truncated operands before multiplication */
    gen_op_multiply(dst, src1, src2, 0);
}

static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
{
    /* sign-extend truncated operands before multiplication */
    gen_op_multiply(dst, src1, src2, 1);
}

// 1
static inline void gen_op_eval_ba(TCGv dst)
{
    tcg_gen_movi_tl(dst, 1);
}

// Z
static inline void gen_op_eval_be(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_Z(dst, src);
}

// Z | (N ^ V)
static inline void gen_op_eval_ble(TCGv dst, TCGv_i32 src)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_N(t0, src);
    gen_mov_reg_V(dst, src);
    tcg_gen_xor_tl(dst, dst, t0);
    gen_mov_reg_Z(t0, src);
    tcg_gen_or_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// N ^ V
static inline void gen_op_eval_bl(TCGv dst, TCGv_i32 src)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_V(t0, src);
    gen_mov_reg_N(dst, src);
    tcg_gen_xor_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// C | Z
static inline void gen_op_eval_bleu(TCGv dst, TCGv_i32 src)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_Z(t0, src);
    gen_mov_reg_C(dst, src);
    tcg_gen_or_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// C
static inline void gen_op_eval_bcs(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_C(dst, src);
}

// V
static inline void gen_op_eval_bvs(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_V(dst, src);
}

// 0
static inline void gen_op_eval_bn(TCGv dst)
{
    tcg_gen_movi_tl(dst, 0);
}

// N
static inline void gen_op_eval_bneg(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_N(dst, src);
}

// !Z
static inline void gen_op_eval_bne(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_Z(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !(Z | (N ^ V))
static inline void gen_op_eval_bg(TCGv dst, TCGv_i32 src)
{
    gen_op_eval_ble(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !(N ^ V)
static inline void gen_op_eval_bge(TCGv dst, TCGv_i32 src)
{
    gen_op_eval_bl(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !(C | Z)
static inline void gen_op_eval_bgu(TCGv dst, TCGv_i32 src)
{
    gen_op_eval_bleu(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !C
static inline void gen_op_eval_bcc(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_C(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !N
static inline void gen_op_eval_bpos(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_N(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !V
static inline void gen_op_eval_bvc(TCGv dst, TCGv_i32 src)
{
    gen_mov_reg_V(dst, src);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

/*
  FPSR bit field FCC1 | FCC0:
   0 =
   1 <
   2 >
   3 unordered
*/
static inline void gen_mov_reg_FCC0(TCGv reg, TCGv src,
                                    unsigned int fcc_offset)
{
    tcg_gen_shri_tl(reg, src, FSR_FCC0_SHIFT + fcc_offset);
    tcg_gen_andi_tl(reg, reg, 0x1);
}

static inline void gen_mov_reg_FCC1(TCGv reg, TCGv src,
                                    unsigned int fcc_offset)
{
    tcg_gen_shri_tl(reg, src, FSR_FCC1_SHIFT + fcc_offset);
    tcg_gen_andi_tl(reg, reg, 0x1);
}

// !0: FCC0 | FCC1
static inline void gen_op_eval_fbne(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_or_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// 1 or 2: FCC0 ^ FCC1
static inline void gen_op_eval_fblg(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_xor_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// 1 or 3: FCC0
static inline void gen_op_eval_fbul(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    gen_mov_reg_FCC0(dst, src, fcc_offset);
}

// 1: FCC0 & !FCC1
static inline void gen_op_eval_fbl(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_andc_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// 2 or 3: FCC1
static inline void gen_op_eval_fbug(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    gen_mov_reg_FCC1(dst, src, fcc_offset);
}

// 2: !FCC0 & FCC1
static inline void gen_op_eval_fbg(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_andc_tl(dst, t0, dst);
    tcg_temp_free(t0);
}

// 3: FCC0 & FCC1
static inline void gen_op_eval_fbu(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_and_tl(dst, dst, t0);
    tcg_temp_free(t0);
}

// 0: !(FCC0 | FCC1)
static inline void gen_op_eval_fbe(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_or_tl(dst, dst, t0);
    tcg_gen_xori_tl(dst, dst, 0x1);
    tcg_temp_free(t0);
}

// 0 or 3: !(FCC0 ^ FCC1)
static inline void gen_op_eval_fbue(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_xor_tl(dst, dst, t0);
    tcg_gen_xori_tl(dst, dst, 0x1);
    tcg_temp_free(t0);
}

// 0 or 2: !FCC0
static inline void gen_op_eval_fbge(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !1: !(FCC0 & !FCC1)
static inline void gen_op_eval_fbuge(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_andc_tl(dst, dst, t0);
    tcg_gen_xori_tl(dst, dst, 0x1);
    tcg_temp_free(t0);
}

// 0 or 1: !FCC1
static inline void gen_op_eval_fble(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    gen_mov_reg_FCC1(dst, src, fcc_offset);
    tcg_gen_xori_tl(dst, dst, 0x1);
}

// !2: !(!FCC0 & FCC1)
static inline void gen_op_eval_fbule(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_andc_tl(dst, t0, dst);
    tcg_gen_xori_tl(dst, dst, 0x1);
    tcg_temp_free(t0);
}

// !3: !(FCC0 & FCC1)
static inline void gen_op_eval_fbo(TCGv dst, TCGv src,
                                    unsigned int fcc_offset)
{
    TCGv t0 = tcg_temp_new();
    gen_mov_reg_FCC0(dst, src, fcc_offset);
    gen_mov_reg_FCC1(t0, src, fcc_offset);
    tcg_gen_and_tl(dst, dst, t0);
    tcg_gen_xori_tl(dst, dst, 0x1);
    tcg_temp_free(t0);
}

static inline void gen_branch2(DisasContext *dc, target_ulong pc1,
                               target_ulong pc2, TCGv r_cond)
{
    int l1;

    l1 = gen_new_label();

    tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);

    gen_goto_tb(dc, 0, pc1, pc1 + 4);

    gen_set_label(l1);
    gen_goto_tb(dc, 1, pc2, pc2 + 4);
}

static inline void gen_branch_a(DisasContext *dc, target_ulong pc1,
                                target_ulong pc2, TCGv r_cond)
{
    int l1;

    l1 = gen_new_label();

    tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, 0, l1);

    gen_goto_tb(dc, 0, pc2, pc1);

    gen_set_label(l1);
    gen_goto_tb(dc, 1, pc2 + 4, pc2 + 8);
}

static inline void gen_generic_branch(DisasContext *dc)
{
    TCGv npc0 = tcg_const_tl(dc->jump_pc[0]);
    TCGv npc1 = tcg_const_tl(dc->jump_pc[1]);
    TCGv zero = tcg_const_tl(0);

    tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);

    tcg_temp_free(npc0);
    tcg_temp_free(npc1);
    tcg_temp_free(zero);
}

/* call this function before using the condition register as it may
   have been set for a jump */
static inline void flush_cond(DisasContext *dc)
{
    if (dc->npc == JUMP_PC) {
        gen_generic_branch(dc);
        dc->npc = DYNAMIC_PC;
    }
}

static inline void save_npc(DisasContext *dc)
{
    if (dc->npc == JUMP_PC) {
        gen_generic_branch(dc);
        dc->npc = DYNAMIC_PC;
    } else if (dc->npc != DYNAMIC_PC) {
        tcg_gen_movi_tl(cpu_npc, dc->npc);
    }
}

static inline void update_psr(DisasContext *dc)
{
    if (dc->cc_op != CC_OP_FLAGS) {
        dc->cc_op = CC_OP_FLAGS;
        gen_helper_compute_psr(cpu_env);
    }
}

static inline void save_state(DisasContext *dc)
{
    tcg_gen_movi_tl(cpu_pc, dc->pc);
    save_npc(dc);
}

static inline void gen_mov_pc_npc(DisasContext *dc)
{
    if (dc->npc == JUMP_PC) {
        gen_generic_branch(dc);
        tcg_gen_mov_tl(cpu_pc, cpu_npc);
        dc->pc = DYNAMIC_PC;
    } else if (dc->npc == DYNAMIC_PC) {
        tcg_gen_mov_tl(cpu_pc, cpu_npc);
        dc->pc = DYNAMIC_PC;
    } else {
        dc->pc = dc->npc;
    }
}

static inline void gen_op_next_insn(void)
{
    tcg_gen_mov_tl(cpu_pc, cpu_npc);
    tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
}

static void free_compare(DisasCompare *cmp)
{
    if (!cmp->g1) {
        tcg_temp_free(cmp->c1);
    }
    if (!cmp->g2) {
        tcg_temp_free(cmp->c2);
    }
}

static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
                        DisasContext *dc)
{
    static int subcc_cond[16] = {
        TCG_COND_NEVER,
        TCG_COND_EQ,
        TCG_COND_LE,
        TCG_COND_LT,
        TCG_COND_LEU,
        TCG_COND_LTU,
        -1, /* neg */
        -1, /* overflow */
        TCG_COND_ALWAYS,
        TCG_COND_NE,
        TCG_COND_GT,
        TCG_COND_GE,
        TCG_COND_GTU,
        TCG_COND_GEU,
        -1, /* pos */
        -1, /* no overflow */
    };

    static int logic_cond[16] = {
        TCG_COND_NEVER,
        TCG_COND_EQ,     /* eq:  Z */
        TCG_COND_LE,     /* le:  Z | (N ^ V) -> Z | N */
        TCG_COND_LT,     /* lt:  N ^ V -> N */
        TCG_COND_EQ,     /* leu: C | Z -> Z */
        TCG_COND_NEVER,  /* ltu: C -> 0 */
        TCG_COND_LT,     /* neg: N */
        TCG_COND_NEVER,  /* vs:  V -> 0 */
        TCG_COND_ALWAYS,
        TCG_COND_NE,     /* ne:  !Z */
        TCG_COND_GT,     /* gt:  !(Z | (N ^ V)) -> !(Z | N) */
        TCG_COND_GE,     /* ge:  !(N ^ V) -> !N */
        TCG_COND_NE,     /* gtu: !(C | Z) -> !Z */
        TCG_COND_ALWAYS, /* geu: !C -> 1 */
        TCG_COND_GE,     /* pos: !N */
        TCG_COND_ALWAYS, /* vc:  !V -> 1 */
    };

    TCGv_i32 r_src;
    TCGv r_dst;

#ifdef TARGET_SPARC64
    if (xcc) {
        r_src = cpu_xcc;
    } else {
        r_src = cpu_psr;
    }
#else
    r_src = cpu_psr;
#endif

    switch (dc->cc_op) {
    case CC_OP_LOGIC:
        cmp->cond = logic_cond[cond];
    do_compare_dst_0:
        cmp->is_bool = false;
        cmp->g2 = false;
        cmp->c2 = tcg_const_tl(0);
#ifdef TARGET_SPARC64
        if (!xcc) {
            cmp->g1 = false;
            cmp->c1 = tcg_temp_new();
            tcg_gen_ext32s_tl(cmp->c1, cpu_cc_dst);
            break;
        }
#endif
        cmp->g1 = true;
        cmp->c1 = cpu_cc_dst;
        break;

    case CC_OP_SUB:
        switch (cond) {
        case 6:  /* neg */
        case 14: /* pos */
            cmp->cond = (cond == 6 ? TCG_COND_LT : TCG_COND_GE);
            goto do_compare_dst_0;

        case 7: /* overflow */
        case 15: /* !overflow */
            goto do_dynamic;

        default:
            cmp->cond = subcc_cond[cond];
            cmp->is_bool = false;
#ifdef TARGET_SPARC64
            if (!xcc) {
                /* Note that sign-extension works for unsigned compares as
                   long as both operands are sign-extended.  */
                cmp->g1 = cmp->g2 = false;
                cmp->c1 = tcg_temp_new();
                cmp->c2 = tcg_temp_new();
                tcg_gen_ext32s_tl(cmp->c1, cpu_cc_src);
                tcg_gen_ext32s_tl(cmp->c2, cpu_cc_src2);
                break;
            }
#endif
            cmp->g1 = cmp->g2 = true;
            cmp->c1 = cpu_cc_src;
            cmp->c2 = cpu_cc_src2;
            break;
        }
        break;

    default:
    do_dynamic:
        gen_helper_compute_psr(cpu_env);
        dc->cc_op = CC_OP_FLAGS;
        /* FALLTHRU */

    case CC_OP_FLAGS:
        /* We're going to generate a boolean result.  */
        cmp->cond = TCG_COND_NE;
        cmp->is_bool = true;
        cmp->g1 = cmp->g2 = false;
        cmp->c1 = r_dst = tcg_temp_new();
        cmp->c2 = tcg_const_tl(0);

        switch (cond) {
        case 0x0:
            gen_op_eval_bn(r_dst);
            break;
        case 0x1:
            gen_op_eval_be(r_dst, r_src);
            break;
        case 0x2:
            gen_op_eval_ble(r_dst, r_src);
            break;
        case 0x3:
            gen_op_eval_bl(r_dst, r_src);
            break;
        case 0x4:
            gen_op_eval_bleu(r_dst, r_src);
            break;
        case 0x5:
            gen_op_eval_bcs(r_dst, r_src);
            break;
        case 0x6:
            gen_op_eval_bneg(r_dst, r_src);
            break;
        case 0x7:
            gen_op_eval_bvs(r_dst, r_src);
            break;
        case 0x8:
            gen_op_eval_ba(r_dst);
            break;
        case 0x9:
            gen_op_eval_bne(r_dst, r_src);
            break;
        case 0xa:
            gen_op_eval_bg(r_dst, r_src);
            break;
        case 0xb:
            gen_op_eval_bge(r_dst, r_src);
            break;
        case 0xc:
            gen_op_eval_bgu(r_dst, r_src);
            break;
        case 0xd:
            gen_op_eval_bcc(r_dst, r_src);
            break;
        case 0xe:
            gen_op_eval_bpos(r_dst, r_src);
            break;
        case 0xf:
            gen_op_eval_bvc(r_dst, r_src);
            break;
        }
        break;
    }
}

static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
{
    unsigned int offset;
    TCGv r_dst;

    /* For now we still generate a straight boolean result.  */
    cmp->cond = TCG_COND_NE;
    cmp->is_bool = true;
    cmp->g1 = cmp->g2 = false;
    cmp->c1 = r_dst = tcg_temp_new();
    cmp->c2 = tcg_const_tl(0);

    switch (cc) {
    default:
    case 0x0:
        offset = 0;
        break;
    case 0x1:
        offset = 32 - 10;
        break;
    case 0x2:
        offset = 34 - 10;
        break;
    case 0x3:
        offset = 36 - 10;
        break;
    }

    switch (cond) {
    case 0x0:
        gen_op_eval_bn(r_dst);
        break;
    case 0x1:
        gen_op_eval_fbne(r_dst, cpu_fsr, offset);
        break;
    case 0x2:
        gen_op_eval_fblg(r_dst, cpu_fsr, offset);
        break;
    case 0x3:
        gen_op_eval_fbul(r_dst, cpu_fsr, offset);
        break;
    case 0x4:
        gen_op_eval_fbl(r_dst, cpu_fsr, offset);
        break;
    case 0x5:
        gen_op_eval_fbug(r_dst, cpu_fsr, offset);
        break;
    case 0x6:
        gen_op_eval_fbg(r_dst, cpu_fsr, offset);
        break;
    case 0x7:
        gen_op_eval_fbu(r_dst, cpu_fsr, offset);
        break;
    case 0x8:
        gen_op_eval_ba(r_dst);
        break;
    case 0x9:
        gen_op_eval_fbe(r_dst, cpu_fsr, offset);
        break;
    case 0xa:
        gen_op_eval_fbue(r_dst, cpu_fsr, offset);
        break;
    case 0xb:
        gen_op_eval_fbge(r_dst, cpu_fsr, offset);
        break;
    case 0xc:
        gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
        break;
    case 0xd:
        gen_op_eval_fble(r_dst, cpu_fsr, offset);
        break;
    case 0xe:
        gen_op_eval_fbule(r_dst, cpu_fsr, offset);
        break;
    case 0xf:
        gen_op_eval_fbo(r_dst, cpu_fsr, offset);
        break;
    }
}

static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
                     DisasContext *dc)
{
    DisasCompare cmp;
    gen_compare(&cmp, cc, cond, dc);

    /* The interface is to return a boolean in r_dst.  */
    if (cmp.is_bool) {
        tcg_gen_mov_tl(r_dst, cmp.c1);
    } else {
        tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
    }

    free_compare(&cmp);
}

static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
{
    DisasCompare cmp;
    gen_fcompare(&cmp, cc, cond);

    /* The interface is to return a boolean in r_dst.  */
    if (cmp.is_bool) {
        tcg_gen_mov_tl(r_dst, cmp.c1);
    } else {
        tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
    }

    free_compare(&cmp);
}

#ifdef TARGET_SPARC64
// Inverted logic
static const int gen_tcg_cond_reg[8] = {
    -1,
    TCG_COND_NE,
    TCG_COND_GT,
    TCG_COND_GE,
    -1,
    TCG_COND_EQ,
    TCG_COND_LE,
    TCG_COND_LT,
};

static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
{
    cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
    cmp->is_bool = false;
    cmp->g1 = true;
    cmp->g2 = false;
    cmp->c1 = r_src;
    cmp->c2 = tcg_const_tl(0);
}

static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
{
    DisasCompare cmp;
    gen_compare_reg(&cmp, cond, r_src);

    /* The interface is to return a boolean in r_dst.  */
    tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);

    free_compare(&cmp);
}
#endif

static void do_branch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
{
    unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
    target_ulong target = dc->pc + offset;

#ifdef TARGET_SPARC64
    if (unlikely(AM_CHECK(dc))) {
        target &= 0xffffffffULL;
    }
#endif
    if (cond == 0x0) {
        /* unconditional not taken */
        if (a) {
            dc->pc = dc->npc + 4;
            dc->npc = dc->pc + 4;
        } else {
            dc->pc = dc->npc;
            dc->npc = dc->pc + 4;
        }
    } else if (cond == 0x8) {
        /* unconditional taken */
        if (a) {
            dc->pc = target;
            dc->npc = dc->pc + 4;
        } else {
            dc->pc = dc->npc;
            dc->npc = target;
            tcg_gen_mov_tl(cpu_pc, cpu_npc);
        }
    } else {
        flush_cond(dc);
        gen_cond(cpu_cond, cc, cond, dc);
        if (a) {
            gen_branch_a(dc, target, dc->npc, cpu_cond);
            dc->is_br = 1;
        } else {
            dc->pc = dc->npc;
            dc->jump_pc[0] = target;
            if (unlikely(dc->npc == DYNAMIC_PC)) {
                dc->jump_pc[1] = DYNAMIC_PC;
                tcg_gen_addi_tl(cpu_pc, cpu_npc, 4);
            } else {
                dc->jump_pc[1] = dc->npc + 4;
                dc->npc = JUMP_PC;
            }
        }
    }
}

static void do_fbranch(DisasContext *dc, int32_t offset, uint32_t insn, int cc)
{
    unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29));
    target_ulong target = dc->pc + offset;

#ifdef TARGET_SPARC64
    if (unlikely(AM_CHECK(dc))) {
        target &= 0xffffffffULL;
    }
#endif
    if (cond == 0x0) {
        /* unconditional not taken */
        if (a) {
            dc->pc = dc->npc + 4;
            dc->npc = dc->pc + 4;
        } else {
            dc->pc = dc->npc;
            dc->npc = dc->pc + 4;
        }
    } else if (cond == 0x8) {
        /* unconditional taken */
        if (a) {
            dc->pc = target;
            dc->npc = dc->pc + 4;
        } else {
            dc->pc = dc->npc;
            dc->npc = target;
            tcg_gen_mov_tl(cpu_pc, cpu_npc);
        }
    } else {
        flush_cond(dc);
        gen_fcond(cpu_cond, cc, cond);
        if (a) {
            gen_branch_a(dc, target, dc->npc, cpu_cond);
            dc->is_br = 1;
        } else {
            dc->pc = dc->npc;
            dc->jump_pc[0] = target;
            if (unlikely(dc->npc == DYNAMIC_PC)) {
                dc->jump_pc[1] = DYNAMIC_PC;
                tcg_gen_addi_tl(cpu_pc, cpu_npc, 4);
            } else {
                dc->jump_pc[1] = dc->npc + 4;
                dc->npc = JUMP_PC;
            }
        }
    }
}

#ifdef TARGET_SPARC64
static void do_branch_reg(DisasContext *dc, int32_t offset, uint32_t insn,
                          TCGv r_reg)
{
    unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29));
    target_ulong target = dc->pc + offset;

    if (unlikely(AM_CHECK(dc))) {
        target &= 0xffffffffULL;
    }
    flush_cond(dc);
    gen_cond_reg(cpu_cond, cond, r_reg);
    if (a) {
        gen_branch_a(dc, target, dc->npc, cpu_cond);
        dc->is_br = 1;
    } else {
        dc->pc = dc->npc;
        dc->jump_pc[0] = target;
        if (unlikely(dc->npc == DYNAMIC_PC)) {
            dc->jump_pc[1] = DYNAMIC_PC;
            tcg_gen_addi_tl(cpu_pc, cpu_npc, 4);
        } else {
            dc->jump_pc[1] = dc->npc + 4;
            dc->npc = JUMP_PC;
        }
    }
}

static inline void gen_op_fcmps(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
{
    switch (fccno) {
    case 0:
        gen_helper_fcmps(cpu_env, r_rs1, r_rs2);
        break;
    case 1:
        gen_helper_fcmps_fcc1(cpu_env, r_rs1, r_rs2);
        break;
    case 2:
        gen_helper_fcmps_fcc2(cpu_env, r_rs1, r_rs2);
        break;
    case 3:
        gen_helper_fcmps_fcc3(cpu_env, r_rs1, r_rs2);
        break;
    }
}

static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
{
    switch (fccno) {
    case 0:
        gen_helper_fcmpd(cpu_env, r_rs1, r_rs2);
        break;
    case 1:
        gen_helper_fcmpd_fcc1(cpu_env, r_rs1, r_rs2);
        break;
    case 2:
        gen_helper_fcmpd_fcc2(cpu_env, r_rs1, r_rs2);
        break;
    case 3:
        gen_helper_fcmpd_fcc3(cpu_env, r_rs1, r_rs2);
        break;
    }
}

static inline void gen_op_fcmpq(int fccno)
{
    switch (fccno) {
    case 0:
        gen_helper_fcmpq(cpu_env);
        break;
    case 1:
        gen_helper_fcmpq_fcc1(cpu_env);
        break;
    case 2:
        gen_helper_fcmpq_fcc2(cpu_env);
        break;
    case 3:
        gen_helper_fcmpq_fcc3(cpu_env);
        break;
    }
}

static inline void gen_op_fcmpes(int fccno, TCGv_i32 r_rs1, TCGv_i32 r_rs2)
{
    switch (fccno) {
    case 0:
        gen_helper_fcmpes(cpu_env, r_rs1, r_rs2);
        break;
    case 1:
        gen_helper_fcmpes_fcc1(cpu_env, r_rs1, r_rs2);
        break;
    case 2:
        gen_helper_fcmpes_fcc2(cpu_env, r_rs1, r_rs2);
        break;
    case 3:
        gen_helper_fcmpes_fcc3(cpu_env, r_rs1, r_rs2);
        break;
    }
}

static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
{
    switch (fccno) {
    case 0:
        gen_helper_fcmped(cpu_env, r_rs1, r_rs2);
        break;
    case 1:
        gen_helper_fcmped_fcc1(cpu_env, r_rs1, r_rs2);
        break;
    case 2:
        gen_helper_fcmped_fcc2(cpu_env, r_rs1, r_rs2);
        break;
    case 3:
        gen_helper_fcmped_fcc3(cpu_env, r_rs1, r_rs2);
        break;
    }
}

static inline void gen_op_fcmpeq(int fccno)
{
    switch (fccno) {
    case 0:
        gen_helper_fcmpeq(cpu_env);
        break;
    case 1:
        gen_helper_fcmpeq_fcc1(cpu_env);
        break;
    case 2:
        gen_helper_fcmpeq_fcc2(cpu_env);
        break;
    case 3:
        gen_helper_fcmpeq_fcc3(cpu_env);
        break;
    }
}

#else

static inline void gen_op_fcmps(int fccno, TCGv r_rs1, TCGv r_rs2)
{
    gen_helper_fcmps(cpu_env, r_rs1, r_rs2);
}

static inline void gen_op_fcmpd(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
{
    gen_helper_fcmpd(cpu_env, r_rs1, r_rs2);
}

static inline void gen_op_fcmpq(int fccno)
{
    gen_helper_fcmpq(cpu_env);
}

static inline void gen_op_fcmpes(int fccno, TCGv r_rs1, TCGv r_rs2)
{
    gen_helper_fcmpes(cpu_env, r_rs1, r_rs2);
}

static inline void gen_op_fcmped(int fccno, TCGv_i64 r_rs1, TCGv_i64 r_rs2)
{
    gen_helper_fcmped(cpu_env, r_rs1, r_rs2);
}

static inline void gen_op_fcmpeq(int fccno)
{
    gen_helper_fcmpeq(cpu_env);
}
#endif

static inline void gen_op_fpexception_im(int fsr_flags)
{
    TCGv_i32 r_const;

    tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
    tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
    r_const = tcg_const_i32(TT_FP_EXCP);
    gen_helper_raise_exception(cpu_env, r_const);
    tcg_temp_free_i32(r_const);
}

static int gen_trap_ifnofpu(DisasContext *dc)
{
#if !defined(CONFIG_USER_ONLY)
    if (!dc->fpu_enabled) {
        TCGv_i32 r_const;

        save_state(dc);
        r_const = tcg_const_i32(TT_NFPU_INSN);
        gen_helper_raise_exception(cpu_env, r_const);
        tcg_temp_free_i32(r_const);
        dc->is_br = 1;
        return 1;
    }
#endif
    return 0;
}

static inline void gen_op_clear_ieee_excp_and_FTT(void)
{
    tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_CEXC_NMASK);
}

static inline void gen_fop_FF(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
{
    TCGv_i32 dst, src;

    src = gen_load_fpr_F(dc, rs);
    dst = gen_dest_fpr_F(dc);

    gen(dst, cpu_env, src);

    gen_store_fpr_F(dc, rd, dst);
}

static inline void gen_ne_fop_FF(DisasContext *dc, int rd, int rs,
                                 void (*gen)(TCGv_i32, TCGv_i32))
{
    TCGv_i32 dst, src;

    src = gen_load_fpr_F(dc, rs);
    dst = gen_dest_fpr_F(dc);

    gen(dst, src);

    gen_store_fpr_F(dc, rd, dst);
}

static inline void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
                        void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
{
    TCGv_i32 dst, src1, src2;

    src1 = gen_load_fpr_F(dc, rs1);
    src2 = gen_load_fpr_F(dc, rs2);
    dst = gen_dest_fpr_F(dc);

    gen(dst, cpu_env, src1, src2);

    gen_store_fpr_F(dc, rd, dst);
}

#ifdef TARGET_SPARC64
static inline void gen_ne_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
                                  void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
{
    TCGv_i32 dst, src1, src2;

    src1 = gen_load_fpr_F(dc, rs1);
    src2 = gen_load_fpr_F(dc, rs2);
    dst = gen_dest_fpr_F(dc);

    gen(dst, src1, src2);

    gen_store_fpr_F(dc, rd, dst);
}
#endif

static inline void gen_fop_DD(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64))
{
    TCGv_i64 dst, src;

    src = gen_load_fpr_D(dc, rs);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_env, src);

    gen_store_fpr_D(dc, rd, dst);
}

#ifdef TARGET_SPARC64
static inline void gen_ne_fop_DD(DisasContext *dc, int rd, int rs,
                                 void (*gen)(TCGv_i64, TCGv_i64))
{
    TCGv_i64 dst, src;

    src = gen_load_fpr_D(dc, rs);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, src);

    gen_store_fpr_D(dc, rd, dst);
}
#endif

static inline void gen_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
                        void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64))
{
    TCGv_i64 dst, src1, src2;

    src1 = gen_load_fpr_D(dc, rs1);
    src2 = gen_load_fpr_D(dc, rs2);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_env, src1, src2);

    gen_store_fpr_D(dc, rd, dst);
}

#ifdef TARGET_SPARC64
static inline void gen_ne_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
                                  void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
{
    TCGv_i64 dst, src1, src2;

    src1 = gen_load_fpr_D(dc, rs1);
    src2 = gen_load_fpr_D(dc, rs2);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, src1, src2);

    gen_store_fpr_D(dc, rd, dst);
}

static inline void gen_gsr_fop_DDD(DisasContext *dc, int rd, int rs1, int rs2,
                           void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
{
    TCGv_i64 dst, src1, src2;

    src1 = gen_load_fpr_D(dc, rs1);
    src2 = gen_load_fpr_D(dc, rs2);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_gsr, src1, src2);

    gen_store_fpr_D(dc, rd, dst);
}

static inline void gen_ne_fop_DDDD(DisasContext *dc, int rd, int rs1, int rs2,
                           void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64))
{
    TCGv_i64 dst, src0, src1, src2;

    src1 = gen_load_fpr_D(dc, rs1);
    src2 = gen_load_fpr_D(dc, rs2);
    src0 = gen_load_fpr_D(dc, rd);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, src0, src1, src2);

    gen_store_fpr_D(dc, rd, dst);
}
#endif

static inline void gen_fop_QQ(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_ptr))
{
    gen_op_load_fpr_QT1(QFPREG(rs));

    gen(cpu_env);

    gen_op_store_QT0_fpr(QFPREG(rd));
    gen_update_fprs_dirty(QFPREG(rd));
}

#ifdef TARGET_SPARC64
static inline void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
                                 void (*gen)(TCGv_ptr))
{
    gen_op_load_fpr_QT1(QFPREG(rs));

    gen(cpu_env);

    gen_op_store_QT0_fpr(QFPREG(rd));
    gen_update_fprs_dirty(QFPREG(rd));
}
#endif

static inline void gen_fop_QQQ(DisasContext *dc, int rd, int rs1, int rs2,
                               void (*gen)(TCGv_ptr))
{
    gen_op_load_fpr_QT0(QFPREG(rs1));
    gen_op_load_fpr_QT1(QFPREG(rs2));

    gen(cpu_env);

    gen_op_store_QT0_fpr(QFPREG(rd));
    gen_update_fprs_dirty(QFPREG(rd));
}

static inline void gen_fop_DFF(DisasContext *dc, int rd, int rs1, int rs2,
                        void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32, TCGv_i32))
{
    TCGv_i64 dst;
    TCGv_i32 src1, src2;

    src1 = gen_load_fpr_F(dc, rs1);
    src2 = gen_load_fpr_F(dc, rs2);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_env, src1, src2);

    gen_store_fpr_D(dc, rd, dst);
}

static inline void gen_fop_QDD(DisasContext *dc, int rd, int rs1, int rs2,
                               void (*gen)(TCGv_ptr, TCGv_i64, TCGv_i64))
{
    TCGv_i64 src1, src2;

    src1 = gen_load_fpr_D(dc, rs1);
    src2 = gen_load_fpr_D(dc, rs2);

    gen(cpu_env, src1, src2);

    gen_op_store_QT0_fpr(QFPREG(rd));
    gen_update_fprs_dirty(QFPREG(rd));
}

#ifdef TARGET_SPARC64
static inline void gen_fop_DF(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
{
    TCGv_i64 dst;
    TCGv_i32 src;

    src = gen_load_fpr_F(dc, rs);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_env, src);

    gen_store_fpr_D(dc, rd, dst);
}
#endif

static inline void gen_ne_fop_DF(DisasContext *dc, int rd, int rs,
                                 void (*gen)(TCGv_i64, TCGv_ptr, TCGv_i32))
{
    TCGv_i64 dst;
    TCGv_i32 src;

    src = gen_load_fpr_F(dc, rs);
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_env, src);

    gen_store_fpr_D(dc, rd, dst);
}

static inline void gen_fop_FD(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i64))
{
    TCGv_i32 dst;
    TCGv_i64 src;

    src = gen_load_fpr_D(dc, rs);
    dst = gen_dest_fpr_F(dc);

    gen(dst, cpu_env, src);

    gen_store_fpr_F(dc, rd, dst);
}

static inline void gen_fop_FQ(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_i32, TCGv_ptr))
{
    TCGv_i32 dst;

    gen_op_load_fpr_QT1(QFPREG(rs));
    dst = gen_dest_fpr_F(dc);

    gen(dst, cpu_env);

    gen_store_fpr_F(dc, rd, dst);
}

static inline void gen_fop_DQ(DisasContext *dc, int rd, int rs,
                              void (*gen)(TCGv_i64, TCGv_ptr))
{
    TCGv_i64 dst;

    gen_op_load_fpr_QT1(QFPREG(rs));
    dst = gen_dest_fpr_D(dc, rd);

    gen(dst, cpu_env);

    gen_store_fpr_D(dc, rd, dst);
}

static inline void gen_ne_fop_QF(DisasContext *dc, int rd, int rs,
                                 void (*gen)(TCGv_ptr, TCGv_i32))
{
    TCGv_i32 src;

    src = gen_load_fpr_F(dc, rs);

    gen(cpu_env, src);

    gen_op_store_QT0_fpr(QFPREG(rd));
    gen_update_fprs_dirty(QFPREG(rd));
}

static inline void gen_ne_fop_QD(DisasContext *dc, int rd, int rs,
                                 void (*gen)(TCGv_ptr, TCGv_i64))
{
    TCGv_i64 src;

    src = gen_load_fpr_D(dc, rs);

    gen(cpu_env, src);

    gen_op_store_QT0_fpr(QFPREG(rd));
    gen_update_fprs_dirty(QFPREG(rd));
}

/* asi moves */
#ifdef TARGET_SPARC64
static inline TCGv_i32 gen_get_asi(int insn, TCGv r_addr)
{
    int asi;
    TCGv_i32 r_asi;

    if (IS_IMM) {
        r_asi = tcg_temp_new_i32();
        tcg_gen_mov_i32(r_asi, cpu_asi);
    } else {
        asi = GET_FIELD(insn, 19, 26);
        r_asi = tcg_const_i32(asi);
    }
    return r_asi;
}

static inline void gen_ld_asi(TCGv dst, TCGv addr, int insn, int size,
                              int sign)
{
    TCGv_i32 r_asi, r_size, r_sign;

    r_asi = gen_get_asi(insn, addr);
    r_size = tcg_const_i32(size);
    r_sign = tcg_const_i32(sign);
    gen_helper_ld_asi(dst, cpu_env, addr, r_asi, r_size, r_sign);
    tcg_temp_free_i32(r_sign);
    tcg_temp_free_i32(r_size);
    tcg_temp_free_i32(r_asi);
}

static inline void gen_st_asi(TCGv src, TCGv addr, int insn, int size)
{
    TCGv_i32 r_asi, r_size;

    r_asi = gen_get_asi(insn, addr);
    r_size = tcg_const_i32(size);
    gen_helper_st_asi(cpu_env, addr, src, r_asi, r_size);
    tcg_temp_free_i32(r_size);
    tcg_temp_free_i32(r_asi);
}

static inline void gen_ldf_asi(TCGv addr, int insn, int size, int rd)
{
    TCGv_i32 r_asi, r_size, r_rd;

    r_asi = gen_get_asi(insn, addr);
    r_size = tcg_const_i32(size);
    r_rd = tcg_const_i32(rd);
    gen_helper_ldf_asi(cpu_env, addr, r_asi, r_size, r_rd);
    tcg_temp_free_i32(r_rd);
    tcg_temp_free_i32(r_size);
    tcg_temp_free_i32(r_asi);
}

static inline void gen_stf_asi(TCGv addr, int insn, int size, int rd)
{
    TCGv_i32 r_asi, r_size, r_rd;

    r_asi = gen_get_asi(insn, addr);
    r_size = tcg_const_i32(size);
    r_rd = tcg_const_i32(rd);
    gen_helper_stf_asi(cpu_env, addr, r_asi, r_size, r_rd);
    tcg_temp_free_i32(r_rd);
    tcg_temp_free_i32(r_size);
    tcg_temp_free_i32(r_asi);
}


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