Archipelago » qemu

/*

 * Tiny Code Generator for QEMU

 *

 * Copyright (c) 2008 Fabrice Bellard

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */

#include "tcg.h"

int gen_new_label(void);

static inline void tcg_gen_op1_i32(TCGOpcode opc, TCGv_i32 arg1)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

}

static inline void tcg_gen_op1_i64(TCGOpcode opc, TCGv_i64 arg1)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

}

static inline void tcg_gen_op1i(TCGOpcode opc, TCGArg arg1)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = arg1;

}

static inline void tcg_gen_op2_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

}

static inline void tcg_gen_op2_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

}

static inline void tcg_gen_op2i_i32(TCGOpcode opc, TCGv_i32 arg1, TCGArg arg2)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = arg2;

}

static inline void tcg_gen_op2i_i64(TCGOpcode opc, TCGv_i64 arg1, TCGArg arg2)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = arg2;

}

static inline void tcg_gen_op2ii(TCGOpcode opc, TCGArg arg1, TCGArg arg2)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = arg1;

    *gen_opparam_ptr++ = arg2;

}

static inline void tcg_gen_op3_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                   TCGv_i32 arg3)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

}

static inline void tcg_gen_op3_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                   TCGv_i64 arg3)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

}

static inline void tcg_gen_op3i_i32(TCGOpcode opc, TCGv_i32 arg1,

                                    TCGv_i32 arg2, TCGArg arg3)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = arg3;

}

static inline void tcg_gen_op3i_i64(TCGOpcode opc, TCGv_i64 arg1,

                                    TCGv_i64 arg2, TCGArg arg3)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = arg3;

}

static inline void tcg_gen_ldst_op_i32(TCGOpcode opc, TCGv_i32 val,

                                       TCGv_ptr base, TCGArg offset)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(val);

    *gen_opparam_ptr++ = GET_TCGV_PTR(base);

    *gen_opparam_ptr++ = offset;

}

static inline void tcg_gen_ldst_op_i64(TCGOpcode opc, TCGv_i64 val,

                                       TCGv_ptr base, TCGArg offset)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(val);

    *gen_opparam_ptr++ = GET_TCGV_PTR(base);

    *gen_opparam_ptr++ = offset;

}

static inline void tcg_gen_qemu_ldst_op_i64_i32(TCGOpcode opc, TCGv_i64 val,

                                                TCGv_i32 addr, TCGArg mem_index)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(val);

    *gen_opparam_ptr++ = GET_TCGV_I32(addr);

    *gen_opparam_ptr++ = mem_index;

}

static inline void tcg_gen_qemu_ldst_op_i64_i64(TCGOpcode opc, TCGv_i64 val,

                                                TCGv_i64 addr, TCGArg mem_index)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(val);

    *gen_opparam_ptr++ = GET_TCGV_I64(addr);

    *gen_opparam_ptr++ = mem_index;

}

static inline void tcg_gen_op4_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                   TCGv_i32 arg3, TCGv_i32 arg4)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg4);

}

static inline void tcg_gen_op4_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                   TCGv_i64 arg3, TCGv_i64 arg4)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg4);

}

static inline void tcg_gen_op4i_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                    TCGv_i32 arg3, TCGArg arg4)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = arg4;

}

static inline void tcg_gen_op4i_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                    TCGv_i64 arg3, TCGArg arg4)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = arg4;

}

static inline void tcg_gen_op4ii_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                     TCGArg arg3, TCGArg arg4)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = arg3;

    *gen_opparam_ptr++ = arg4;

}

static inline void tcg_gen_op4ii_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                     TCGArg arg3, TCGArg arg4)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = arg3;

    *gen_opparam_ptr++ = arg4;

}

static inline void tcg_gen_op5_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                   TCGv_i32 arg3, TCGv_i32 arg4, TCGv_i32 arg5)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg4);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg5);

}

static inline void tcg_gen_op5_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                   TCGv_i64 arg3, TCGv_i64 arg4, TCGv_i64 arg5)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg4);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg5);

}

static inline void tcg_gen_op5i_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                    TCGv_i32 arg3, TCGv_i32 arg4, TCGArg arg5)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg4);

    *gen_opparam_ptr++ = arg5;

}

static inline void tcg_gen_op5i_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                    TCGv_i64 arg3, TCGv_i64 arg4, TCGArg arg5)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg4);

    *gen_opparam_ptr++ = arg5;

}

static inline void tcg_gen_op6_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                   TCGv_i32 arg3, TCGv_i32 arg4, TCGv_i32 arg5,

                                   TCGv_i32 arg6)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg4);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg5);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg6);

}

static inline void tcg_gen_op6_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                   TCGv_i64 arg3, TCGv_i64 arg4, TCGv_i64 arg5,

                                   TCGv_i64 arg6)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg4);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg5);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg6);

}

static inline void tcg_gen_op6i_i32(TCGOpcode opc, TCGv_i32 arg1, TCGv_i32 arg2,

                                    TCGv_i32 arg3, TCGv_i32 arg4,

                                    TCGv_i32 arg5, TCGArg arg6)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg4);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg5);

    *gen_opparam_ptr++ = arg6;

}

static inline void tcg_gen_op6i_i64(TCGOpcode opc, TCGv_i64 arg1, TCGv_i64 arg2,

                                    TCGv_i64 arg3, TCGv_i64 arg4,

                                    TCGv_i64 arg5, TCGArg arg6)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg4);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg5);

    *gen_opparam_ptr++ = arg6;

}

static inline void tcg_gen_op6ii_i32(TCGOpcode opc, TCGv_i32 arg1,

                                     TCGv_i32 arg2, TCGv_i32 arg3,

                                     TCGv_i32 arg4, TCGArg arg5, TCGArg arg6)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I32(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I32(arg4);

    *gen_opparam_ptr++ = arg5;

    *gen_opparam_ptr++ = arg6;

}

static inline void tcg_gen_op6ii_i64(TCGOpcode opc, TCGv_i64 arg1,

                                     TCGv_i64 arg2, TCGv_i64 arg3,

                                     TCGv_i64 arg4, TCGArg arg5, TCGArg arg6)

{

    *gen_opc_ptr++ = opc;

    *gen_opparam_ptr++ = GET_TCGV_I64(arg1);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg2);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg3);

    *gen_opparam_ptr++ = GET_TCGV_I64(arg4);

    *gen_opparam_ptr++ = arg5;

    *gen_opparam_ptr++ = arg6;

}

static inline void gen_set_label(int n)

{

    tcg_gen_op1i(INDEX_op_set_label, n);

}

static inline void tcg_gen_br(int label)

{

    tcg_gen_op1i(INDEX_op_br, label);

}

static inline void tcg_gen_mov_i32(TCGv_i32 ret, TCGv_i32 arg)

{

    if (!TCGV_EQUAL_I32(ret, arg))

        tcg_gen_op2_i32(INDEX_op_mov_i32, ret, arg);

}

static inline void tcg_gen_movi_i32(TCGv_i32 ret, int32_t arg)

{

    tcg_gen_op2i_i32(INDEX_op_movi_i32, ret, arg);

}

/* A version of dh_sizemask from def-helper.h that doesn't rely on

   preprocessor magic.  */

static inline int tcg_gen_sizemask(int n, int is_64bit, int is_signed)

{

    return (is_64bit << n*2) | (is_signed << (n*2 + 1));

}

/* helper calls */

static inline void tcg_gen_helperN(void *func, int flags, int sizemask,

                                   TCGArg ret, int nargs, TCGArg *args)

{

    TCGv_ptr fn;

    fn = tcg_const_ptr((tcg_target_long)func);

    tcg_gen_callN(&tcg_ctx, fn, flags, sizemask, ret,

                  nargs, args);

    tcg_temp_free_ptr(fn);

}

/* Note: Both tcg_gen_helper32() and tcg_gen_helper64() are currently

   reserved for helpers in tcg-runtime.c. These helpers are all const

   and pure, hence the call to tcg_gen_callN() with TCG_CALL_CONST |

   TCG_CALL_PURE. This may need to be adjusted if these functions

   start to be used with other helpers. */

static inline void tcg_gen_helper32(void *func, int sizemask, TCGv_i32 ret,

                                    TCGv_i32 a, TCGv_i32 b)

{

    TCGv_ptr fn;

    TCGArg args[2];

    fn = tcg_const_ptr((tcg_target_long)func);

    args[0] = GET_TCGV_I32(a);

    args[1] = GET_TCGV_I32(b);

    tcg_gen_callN(&tcg_ctx, fn, TCG_CALL_CONST | TCG_CALL_PURE, sizemask,

                  GET_TCGV_I32(ret), 2, args);

    tcg_temp_free_ptr(fn);

}

static inline void tcg_gen_helper64(void *func, int sizemask, TCGv_i64 ret,

                                    TCGv_i64 a, TCGv_i64 b)

{

    TCGv_ptr fn;

    TCGArg args[2];

    fn = tcg_const_ptr((tcg_target_long)func);

    args[0] = GET_TCGV_I64(a);

    args[1] = GET_TCGV_I64(b);

    tcg_gen_callN(&tcg_ctx, fn, TCG_CALL_CONST | TCG_CALL_PURE, sizemask,

                  GET_TCGV_I64(ret), 2, args);

    tcg_temp_free_ptr(fn);

}

/* 32 bit ops */

static inline void tcg_gen_ld8u_i32(TCGv_i32 ret, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_ld8u_i32, ret, arg2, offset);

}

static inline void tcg_gen_ld8s_i32(TCGv_i32 ret, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_ld8s_i32, ret, arg2, offset);

}

static inline void tcg_gen_ld16u_i32(TCGv_i32 ret, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_ld16u_i32, ret, arg2, offset);

}

static inline void tcg_gen_ld16s_i32(TCGv_i32 ret, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_ld16s_i32, ret, arg2, offset);

}

static inline void tcg_gen_ld_i32(TCGv_i32 ret, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_ld_i32, ret, arg2, offset);

}

static inline void tcg_gen_st8_i32(TCGv_i32 arg1, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_st8_i32, arg1, arg2, offset);

}

static inline void tcg_gen_st16_i32(TCGv_i32 arg1, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_st16_i32, arg1, arg2, offset);

}

static inline void tcg_gen_st_i32(TCGv_i32 arg1, TCGv_ptr arg2, tcg_target_long offset)

{

    tcg_gen_ldst_op_i32(INDEX_op_st_i32, arg1, arg2, offset);

}

static inline void tcg_gen_add_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_add_i32, ret, arg1, arg2);

}

static inline void tcg_gen_addi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    /* some cases can be optimized here */

    if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_add_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_sub_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_sub_i32, ret, arg1, arg2);

}

static inline void tcg_gen_subfi_i32(TCGv_i32 ret, int32_t arg1, TCGv_i32 arg2)

{

    TCGv_i32 t0 = tcg_const_i32(arg1);

    tcg_gen_sub_i32(ret, t0, arg2);

    tcg_temp_free_i32(t0);

}

static inline void tcg_gen_subi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    /* some cases can be optimized here */

    if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_sub_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_and_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    if (TCGV_EQUAL_I32(arg1, arg2)) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        tcg_gen_op3_i32(INDEX_op_and_i32, ret, arg1, arg2);

    }

}

static inline void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    /* some cases can be optimized here */

    if (arg2 == 0) {

        tcg_gen_movi_i32(ret, 0);

    } else if (arg2 == 0xffffffff) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_and_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_or_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    if (TCGV_EQUAL_I32(arg1, arg2)) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        tcg_gen_op3_i32(INDEX_op_or_i32, ret, arg1, arg2);

    }

}

static inline void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    /* some cases can be optimized here */

    if (arg2 == 0xffffffff) {

        tcg_gen_movi_i32(ret, 0xffffffff);

    } else if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_or_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_xor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    if (TCGV_EQUAL_I32(arg1, arg2)) {

        tcg_gen_movi_i32(ret, 0);

    } else {

        tcg_gen_op3_i32(INDEX_op_xor_i32, ret, arg1, arg2);

    }

}

static inline void tcg_gen_xori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    /* some cases can be optimized here */

    if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_xor_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_shl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_shl_i32, ret, arg1, arg2);

}

static inline void tcg_gen_shli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_shl_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_shr_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_shr_i32, ret, arg1, arg2);

}

static inline void tcg_gen_shri_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_shr_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_sar_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_sar_i32, ret, arg1, arg2);

}

static inline void tcg_gen_sari_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    if (arg2 == 0) {

        tcg_gen_mov_i32(ret, arg1);

    } else {

        TCGv_i32 t0 = tcg_const_i32(arg2);

        tcg_gen_sar_i32(ret, arg1, t0);

        tcg_temp_free_i32(t0);

    }

}

static inline void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1,

                                      TCGv_i32 arg2, int label_index)

{

    tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_index);

}

static inline void tcg_gen_brcondi_i32(TCGCond cond, TCGv_i32 arg1,

                                       int32_t arg2, int label_index)

{

    TCGv_i32 t0 = tcg_const_i32(arg2);

    tcg_gen_brcond_i32(cond, arg1, t0, label_index);

    tcg_temp_free_i32(t0);

}

static inline void tcg_gen_setcond_i32(TCGCond cond, TCGv_i32 ret,

                                       TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond);

}

static inline void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret,

                                        TCGv_i32 arg1, int32_t arg2)

{

    TCGv_i32 t0 = tcg_const_i32(arg2);

    tcg_gen_setcond_i32(cond, ret, arg1, t0);

    tcg_temp_free_i32(t0);

}

static inline void tcg_gen_mul_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_mul_i32, ret, arg1, arg2);

}

static inline void tcg_gen_muli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)

{

    TCGv_i32 t0 = tcg_const_i32(arg2);

    tcg_gen_mul_i32(ret, arg1, t0);

    tcg_temp_free_i32(t0);

}

#ifdef TCG_TARGET_HAS_div_i32

static inline void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_div_i32, ret, arg1, arg2);

}

static inline void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2);

}

static inline void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);

}

static inline void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);

}

#elif defined(TCG_TARGET_HAS_div2_i32)

static inline void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    TCGv_i32 t0;

    t0 = tcg_temp_new_i32();

    tcg_gen_sari_i32(t0, arg1, 31);

    tcg_gen_op5_i32(INDEX_op_div2_i32, ret, t0, arg1, t0, arg2);

    tcg_temp_free_i32(t0);

}

static inline void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    TCGv_i32 t0;

    t0 = tcg_temp_new_i32();

    tcg_gen_sari_i32(t0, arg1, 31);

    tcg_gen_op5_i32(INDEX_op_div2_i32, t0, ret, arg1, t0, arg2);

    tcg_temp_free_i32(t0);

}

static inline void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    TCGv_i32 t0;

    t0 = tcg_temp_new_i32();

    tcg_gen_movi_i32(t0, 0);

    tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, t0, arg2);

    tcg_temp_free_i32(t0);

}

static inline void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    TCGv_i32 t0;

    t0 = tcg_temp_new_i32();

    tcg_gen_movi_i32(t0, 0);

    tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, t0, arg2);

    tcg_temp_free_i32(t0);

}

#else

static inline void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    int sizemask = 0;

    /* Return value and both arguments are 32-bit and signed.  */

    sizemask |= tcg_gen_sizemask(0, 0, 1);

    sizemask |= tcg_gen_sizemask(1, 0, 1);

    sizemask |= tcg_gen_sizemask(2, 0, 1);

    tcg_gen_helper32(tcg_helper_div_i32, sizemask, ret, arg1, arg2);

}

static inline void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    int sizemask = 0;

    /* Return value and both arguments are 32-bit and signed.  */

    sizemask |= tcg_gen_sizemask(0, 0, 1);

    sizemask |= tcg_gen_sizemask(1, 0, 1);

    sizemask |= tcg_gen_sizemask(2, 0, 1);

    tcg_gen_helper32(tcg_helper_rem_i32, sizemask, ret, arg1, arg2);

}

static inline void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    int sizemask = 0;

    /* Return value and both arguments are 32-bit and unsigned.  */

    sizemask |= tcg_gen_sizemask(0, 0, 0);

    sizemask |= tcg_gen_sizemask(1, 0, 0);

    sizemask |= tcg_gen_sizemask(2, 0, 0);

    tcg_gen_helper32(tcg_helper_divu_i32, ret, arg1, arg2, 0);

}

static inline void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)

{

    int sizemask = 0;

    /* Return value and both arguments are 32-bit and unsigned.  */

    sizemask |= tcg_gen_sizemask(0, 0, 0);

    sizemask |= tcg_gen_sizemask(1, 0, 0);

    sizemask |= tcg_gen_sizemask(2, 0, 0);

    tcg_gen_helper32(tcg_helper_remu_i32, ret, arg1, arg2, 0);

}

#endif

#if TCG_TARGET_REG_BITS == 32

static inline void tcg_gen_mov_i64(TCGv_i64 ret, TCGv_i64 arg)

{

    if (!TCGV_EQUAL_I64(ret, arg)) {

        tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));

        tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));

    }

}

static inline void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg)

{

    tcg_gen_movi_i32(TCGV_LOW(ret), arg);

    tcg_gen_movi_i32(TCGV_HIGH(ret), arg >> 32);

}

static inline void tcg_gen_ld8u_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                    tcg_target_long offset)

{

    tcg_gen_ld8u_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);

}

static inline void tcg_gen_ld8s_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                    tcg_target_long offset)

{

    tcg_gen_ld8s_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), 31);

}

static inline void tcg_gen_ld16u_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                     tcg_target_long offset)

{

    tcg_gen_ld16u_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);

}

static inline void tcg_gen_ld16s_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                     tcg_target_long offset)

{

    tcg_gen_ld16s_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);

}

static inline void tcg_gen_ld32u_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                     tcg_target_long offset)

{

    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_movi_i32(TCGV_HIGH(ret), 0);

}

static inline void tcg_gen_ld32s_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                     tcg_target_long offset)

{

    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);

}

static inline void tcg_gen_ld_i64(TCGv_i64 ret, TCGv_ptr arg2,

                                  tcg_target_long offset)

{

    /* since arg2 and ret have different types, they cannot be the

       same temporary */

#ifdef TCG_TARGET_WORDS_BIGENDIAN

    tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset);

    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset + 4);

#else

    tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);

    tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset + 4);

#endif

}

static inline void tcg_gen_st8_i64(TCGv_i64 arg1, TCGv_ptr arg2,

                                   tcg_target_long offset)

{

    tcg_gen_st8_i32(TCGV_LOW(arg1), arg2, offset);

}

static inline void tcg_gen_st16_i64(TCGv_i64 arg1, TCGv_ptr arg2,

                                    tcg_target_long offset)

{

    tcg_gen_st16_i32(TCGV_LOW(arg1), arg2, offset);

}

static inline void tcg_gen_st32_i64(TCGv_i64 arg1, TCGv_ptr arg2,

                                    tcg_target_long offset)

{

    tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset);

}

static inline void tcg_gen_st_i64(TCGv_i64 arg1, TCGv_ptr arg2,

                                  tcg_target_long offset)

{

#ifdef TCG_TARGET_WORDS_BIGENDIAN

    tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset);

    tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset + 4);

#else

    tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset);

    tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset + 4);

#endif

}

static inline void tcg_gen_add_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    tcg_gen_op6_i32(INDEX_op_add2_i32, TCGV_LOW(ret), TCGV_HIGH(ret),

                    TCGV_LOW(arg1), TCGV_HIGH(arg1), TCGV_LOW(arg2),

                    TCGV_HIGH(arg2));

}

static inline void tcg_gen_sub_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    tcg_gen_op6_i32(INDEX_op_sub2_i32, TCGV_LOW(ret), TCGV_HIGH(ret),

                    TCGV_LOW(arg1), TCGV_HIGH(arg1), TCGV_LOW(arg2),

                    TCGV_HIGH(arg2));

}

static inline void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    tcg_gen_and_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));

    tcg_gen_and_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));

}

static inline void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)

{

    tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);

    tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);

}

static inline void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));

    tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));

}

static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)

{

    tcg_gen_ori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);

    tcg_gen_ori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);

}

static inline void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));

    tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));

}

static inline void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)

{

    tcg_gen_xori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);

    tcg_gen_xori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);

}

/* XXX: use generic code when basic block handling is OK or CPU

   specific code (x86) */

static inline void tcg_gen_shl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    int sizemask = 0;

    /* Return value and both arguments are 64-bit and signed.  */

    sizemask |= tcg_gen_sizemask(0, 1, 1);

    sizemask |= tcg_gen_sizemask(1, 1, 1);

    sizemask |= tcg_gen_sizemask(2, 1, 1);

    tcg_gen_helper64(tcg_helper_shl_i64, sizemask, ret, arg1, arg2);

}

static inline void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)

{

    tcg_gen_shifti_i64(ret, arg1, arg2, 0, 0);

}

static inline void tcg_gen_shr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)

{

    int sizemask = 0;

    /* Return value and both arguments are 64-bit and signed.  */

    sizemask |= tcg_gen_sizemask(0, 1, 1);

    sizemask |= tcg_gen_sizemask(1, 1, 1);

    sizemask |= tcg_gen_sizemask(2, 1, 1);

    tcg_gen_helper64(tcg_helper_shr_i64, sizemask, ret, arg1, arg2);