tcg/tcg-op.h - qemu - Git at Google

 /*
  * 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_op5ii_i32(TCGOpcode opc, TCGv_i32 arg1,
                                      TCGv_i32 arg2, TCGv_i32 arg3,
                                      TCGArg 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++ = arg4;
     *gen_opparam_ptr++ = arg5;
 }

 static inline void tcg_gen_op5ii_i64(TCGOpcode opc, TCGv_i64 arg1,
                                      TCGv_i64 arg2, TCGv_i64 arg3,
                                      TCGArg 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++ = 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(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(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(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);
 }

 static inline void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_div_i32) {
         tcg_gen_op3_i32(INDEX_op_div_i32, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i32) {
         TCGv_i32 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);
     } else {
         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)
 {
     if (TCG_TARGET_HAS_div_i32) {
         tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i32) {
         TCGv_i32 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);
     } else {
         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)
 {
     if (TCG_TARGET_HAS_div_i32) {
         tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i32) {
         TCGv_i32 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);
     } else {
         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, sizemask, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_div_i32) {
         tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i32) {
         TCGv_i32 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 {
         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, sizemask, ret, arg1, arg2);
     }
 }

 #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);
 }

 static inline void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     tcg_gen_shifti_i64(ret, arg1, arg2, 1, 0);
 }

 static inline void tcg_gen_sar_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_sar_i64, sizemask, ret, arg1, arg2);
 }

 static inline void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     tcg_gen_shifti_i64(ret, arg1, arg2, 1, 1);
 }

 static inline void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1,
                                       TCGv_i64 arg2, int label_index)
 {
     tcg_gen_op6ii_i32(INDEX_op_brcond2_i32,
                       TCGV_LOW(arg1), TCGV_HIGH(arg1), TCGV_LOW(arg2),
                       TCGV_HIGH(arg2), cond, label_index);
 }

 static inline void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
                                        TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
                      TCGV_LOW(arg1), TCGV_HIGH(arg1),
                      TCGV_LOW(arg2), TCGV_HIGH(arg2), cond);
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 }

 static inline void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     TCGv_i64 t0;
     TCGv_i32 t1;

     t0 = tcg_temp_new_i64();
     t1 = tcg_temp_new_i32();

     tcg_gen_op4_i32(INDEX_op_mulu2_i32, TCGV_LOW(t0), TCGV_HIGH(t0),
                     TCGV_LOW(arg1), TCGV_LOW(arg2));

     tcg_gen_mul_i32(t1, TCGV_LOW(arg1), TCGV_HIGH(arg2));
     tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
     tcg_gen_mul_i32(t1, TCGV_HIGH(arg1), TCGV_LOW(arg2));
     tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);

     tcg_gen_mov_i64(ret, t0);
     tcg_temp_free_i64(t0);
     tcg_temp_free_i32(t1);
 }

 static inline void tcg_gen_div_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_div_i64, sizemask, ret, arg1, arg2);
 }

 static inline void tcg_gen_rem_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_rem_i64, sizemask, ret, arg1, arg2);
 }

 static inline void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     int sizemask = 0;
     /* Return value and both arguments are 64-bit and unsigned.  */
     sizemask |= tcg_gen_sizemask(0, 1, 0);
     sizemask |= tcg_gen_sizemask(1, 1, 0);
     sizemask |= tcg_gen_sizemask(2, 1, 0);

     tcg_gen_helper64(tcg_helper_divu_i64, sizemask, ret, arg1, arg2);
 }

 static inline void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     int sizemask = 0;
     /* Return value and both arguments are 64-bit and unsigned.  */
     sizemask |= tcg_gen_sizemask(0, 1, 0);
     sizemask |= tcg_gen_sizemask(1, 1, 0);
     sizemask |= tcg_gen_sizemask(2, 1, 0);

     tcg_gen_helper64(tcg_helper_remu_i64, sizemask, ret, arg1, arg2);
 }

 #else

 static inline void tcg_gen_mov_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (!TCGV_EQUAL_I64(ret, arg))
         tcg_gen_op2_i64(INDEX_op_mov_i64, ret, arg);
 }

 static inline void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg)
 {
     tcg_gen_op2i_i64(INDEX_op_movi_i64, ret, arg);
 }

 static inline void tcg_gen_ld8u_i64(TCGv_i64 ret, TCGv_ptr arg2,
                                     tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld8u_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_ld8s_i64(TCGv_i64 ret, TCGv_ptr arg2,
                                     tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld8s_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_ld16u_i64(TCGv_i64 ret, TCGv_ptr arg2,
                                      tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld16u_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_ld16s_i64(TCGv_i64 ret, TCGv_ptr arg2,
                                      tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld16s_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_ld32u_i64(TCGv_i64 ret, TCGv_ptr arg2,
                                      tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld32u_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_ld32s_i64(TCGv_i64 ret, TCGv_ptr arg2,
                                      tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld32s_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_ld_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_ld_i64, ret, arg2, offset);
 }

 static inline void tcg_gen_st8_i64(TCGv_i64 arg1, TCGv_ptr arg2,
                                    tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_st8_i64, arg1, arg2, offset);
 }

 static inline void tcg_gen_st16_i64(TCGv_i64 arg1, TCGv_ptr arg2,
                                     tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_st16_i64, arg1, arg2, offset);
 }

 static inline void tcg_gen_st32_i64(TCGv_i64 arg1, TCGv_ptr arg2,
                                     tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_st32_i64, arg1, arg2, offset);
 }

 static inline void tcg_gen_st_i64(TCGv_i64 arg1, TCGv_ptr arg2, tcg_target_long offset)
 {
     tcg_gen_ldst_op_i64(INDEX_op_st_i64, arg1, arg2, offset);
 }

 static inline void tcg_gen_add_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op3_i64(INDEX_op_add_i64, ret, arg1, arg2);
 }

 static inline void tcg_gen_sub_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op3_i64(INDEX_op_sub_i64, ret, arg1, arg2);
 }

 static inline void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCGV_EQUAL_I64(arg1, arg2)) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         tcg_gen_op3_i64(INDEX_op_and_i64, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     TCGv_i64 t0 = tcg_const_i64(arg2);
     tcg_gen_and_i64(ret, arg1, t0);
     tcg_temp_free_i64(t0);
 }

 static inline void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCGV_EQUAL_I64(arg1, arg2)) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         tcg_gen_op3_i64(INDEX_op_or_i64, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     TCGv_i64 t0 = tcg_const_i64(arg2);
     tcg_gen_or_i64(ret, arg1, t0);
     tcg_temp_free_i64(t0);
 }

 static inline void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCGV_EQUAL_I64(arg1, arg2)) {
         tcg_gen_movi_i64(ret, 0);
     } else {
         tcg_gen_op3_i64(INDEX_op_xor_i64, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     TCGv_i64 t0 = tcg_const_i64(arg2);
     tcg_gen_xor_i64(ret, arg1, t0);
     tcg_temp_free_i64(t0);
 }

 static inline void tcg_gen_shl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op3_i64(INDEX_op_shl_i64, ret, arg1, arg2);
 }

 static inline void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         TCGv_i64 t0 = tcg_const_i64(arg2);
         tcg_gen_shl_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 }

 static inline void tcg_gen_shr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op3_i64(INDEX_op_shr_i64, ret, arg1, arg2);
 }

 static inline void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         TCGv_i64 t0 = tcg_const_i64(arg2);
         tcg_gen_shr_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 }

 static inline void tcg_gen_sar_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op3_i64(INDEX_op_sar_i64, ret, arg1, arg2);
 }

 static inline void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         TCGv_i64 t0 = tcg_const_i64(arg2);
         tcg_gen_sar_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 }

 static inline void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1,
                                       TCGv_i64 arg2, int label_index)
 {
     tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, label_index);
 }

 static inline void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
                                        TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond);
 }

 static inline void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     tcg_gen_op3_i64(INDEX_op_mul_i64, ret, arg1, arg2);
 }

 static inline void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCG_TARGET_HAS_div_i64) {
         tcg_gen_op3_i64(INDEX_op_div_i64, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i64) {
         TCGv_i64 t0 = tcg_temp_new_i64();
         tcg_gen_sari_i64(t0, arg1, 63);
         tcg_gen_op5_i64(INDEX_op_div2_i64, ret, t0, arg1, t0, arg2);
         tcg_temp_free_i64(t0);
     } else {
         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_div_i64, sizemask, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCG_TARGET_HAS_div_i64) {
         tcg_gen_op3_i64(INDEX_op_rem_i64, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i64) {
         TCGv_i64 t0 = tcg_temp_new_i64();
         tcg_gen_sari_i64(t0, arg1, 63);
         tcg_gen_op5_i64(INDEX_op_div2_i64, t0, ret, arg1, t0, arg2);
         tcg_temp_free_i64(t0);
     } else {
         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_rem_i64, sizemask, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCG_TARGET_HAS_div_i64) {
         tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i64) {
         TCGv_i64 t0 = tcg_temp_new_i64();
         tcg_gen_movi_i64(t0, 0);
         tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2);
         tcg_temp_free_i64(t0);
     } else {
         int sizemask = 0;
         /* Return value and both arguments are 64-bit and unsigned.  */
         sizemask |= tcg_gen_sizemask(0, 1, 0);
         sizemask |= tcg_gen_sizemask(1, 1, 0);
         sizemask |= tcg_gen_sizemask(2, 1, 0);
         tcg_gen_helper64(tcg_helper_divu_i64, sizemask, ret, arg1, arg2);
     }
 }

 static inline void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCG_TARGET_HAS_div_i64) {
         tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2);
     } else if (TCG_TARGET_HAS_div2_i64) {
         TCGv_i64 t0 = tcg_temp_new_i64();
         tcg_gen_movi_i64(t0, 0);
         tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2);
         tcg_temp_free_i64(t0);
     } else {
         int sizemask = 0;
         /* Return value and both arguments are 64-bit and unsigned.  */
         sizemask |= tcg_gen_sizemask(0, 1, 0);
         sizemask |= tcg_gen_sizemask(1, 1, 0);
         sizemask |= tcg_gen_sizemask(2, 1, 0);
         tcg_gen_helper64(tcg_helper_remu_i64, sizemask, ret, arg1, arg2);
     }
 }
 #endif /* TCG_TARGET_REG_BITS == 32 */

 static inline void tcg_gen_addi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     /* some cases can be optimized here */
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         TCGv_i64 t0 = tcg_const_i64(arg2);
         tcg_gen_add_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 }

 static inline void tcg_gen_subfi_i64(TCGv_i64 ret, int64_t arg1, TCGv_i64 arg2)
 {
     TCGv_i64 t0 = tcg_const_i64(arg1);
     tcg_gen_sub_i64(ret, t0, arg2);
     tcg_temp_free_i64(t0);
 }

 static inline void tcg_gen_subi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     /* some cases can be optimized here */
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         TCGv_i64 t0 = tcg_const_i64(arg2);
         tcg_gen_sub_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 }
 static inline void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1,
                                        int64_t arg2, int label_index)
 {
     TCGv_i64 t0 = tcg_const_i64(arg2);
     tcg_gen_brcond_i64(cond, arg1, t0, label_index);
     tcg_temp_free_i64(t0);
 }

 static inline void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
                                         TCGv_i64 arg1, int64_t arg2)
 {
     TCGv_i64 t0 = tcg_const_i64(arg2);
     tcg_gen_setcond_i64(cond, ret, arg1, t0);
     tcg_temp_free_i64(t0);
 }

 static inline void tcg_gen_muli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     TCGv_i64 t0 = tcg_const_i64(arg2);
     tcg_gen_mul_i64(ret, arg1, t0);
     tcg_temp_free_i64(t0);
 }


 /***************************************/
 /* optional operations */

 static inline void tcg_gen_ext8s_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_ext8s_i32) {
         tcg_gen_op2_i32(INDEX_op_ext8s_i32, ret, arg);
     } else {
         tcg_gen_shli_i32(ret, arg, 24);
         tcg_gen_sari_i32(ret, ret, 24);
     }
 }

 static inline void tcg_gen_ext16s_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_ext16s_i32) {
         tcg_gen_op2_i32(INDEX_op_ext16s_i32, ret, arg);
     } else {
         tcg_gen_shli_i32(ret, arg, 16);
         tcg_gen_sari_i32(ret, ret, 16);
     }
 }

 static inline void tcg_gen_ext8u_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_ext8u_i32) {
         tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg);
     } else {
         tcg_gen_andi_i32(ret, arg, 0xffu);
     }
 }

 static inline void tcg_gen_ext16u_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_ext16u_i32) {
         tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg);
     } else {
         tcg_gen_andi_i32(ret, arg, 0xffffu);
     }
 }

 /* Note: we assume the two high bytes are set to zero */
 static inline void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_bswap16_i32) {
         tcg_gen_op2_i32(INDEX_op_bswap16_i32, ret, arg);
     } else {
         TCGv_i32 t0 = tcg_temp_new_i32();

         tcg_gen_ext8u_i32(t0, arg);
         tcg_gen_shli_i32(t0, t0, 8);
         tcg_gen_shri_i32(ret, arg, 8);
         tcg_gen_or_i32(ret, ret, t0);
         tcg_temp_free_i32(t0);
     }
 }

 static inline void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_bswap32_i32) {
         tcg_gen_op2_i32(INDEX_op_bswap32_i32, ret, arg);
     } else {
         TCGv_i32 t0, t1;
         t0 = tcg_temp_new_i32();
         t1 = tcg_temp_new_i32();

         tcg_gen_shli_i32(t0, arg, 24);

         tcg_gen_andi_i32(t1, arg, 0x0000ff00);
         tcg_gen_shli_i32(t1, t1, 8);
         tcg_gen_or_i32(t0, t0, t1);

         tcg_gen_shri_i32(t1, arg, 8);
         tcg_gen_andi_i32(t1, t1, 0x0000ff00);
         tcg_gen_or_i32(t0, t0, t1);

         tcg_gen_shri_i32(t1, arg, 24);
         tcg_gen_or_i32(ret, t0, t1);
         tcg_temp_free_i32(t0);
         tcg_temp_free_i32(t1);
     }
 }

 #if TCG_TARGET_REG_BITS == 32
 static inline void tcg_gen_ext8s_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_ext8s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 }

 static inline void tcg_gen_ext16s_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_ext16s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 }

 static inline void tcg_gen_ext32s_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 }

 static inline void tcg_gen_ext8u_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_ext8u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 }

 static inline void tcg_gen_ext16u_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_ext16u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 }

 static inline void tcg_gen_ext32u_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 }

 static inline void tcg_gen_trunc_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
 {
     tcg_gen_mov_i32(ret, TCGV_LOW(arg));
 }

 static inline void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
 {
     tcg_gen_mov_i32(TCGV_LOW(ret), arg);
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 }

 static inline void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
 {
     tcg_gen_mov_i32(TCGV_LOW(ret), arg);
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 }

 /* Note: we assume the six high bytes are set to zero */
 static inline void tcg_gen_bswap16_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
     tcg_gen_bswap16_i32(TCGV_LOW(ret), TCGV_LOW(arg));
 }

 /* Note: we assume the four high bytes are set to zero */
 static inline void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
     tcg_gen_bswap32_i32(TCGV_LOW(ret), TCGV_LOW(arg));
 }

 static inline void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     TCGv_i32 t0, t1;
     t0 = tcg_temp_new_i32();
     t1 = tcg_temp_new_i32();

     tcg_gen_bswap32_i32(t0, TCGV_LOW(arg));
     tcg_gen_bswap32_i32(t1, TCGV_HIGH(arg));
     tcg_gen_mov_i32(TCGV_LOW(ret), t1);
     tcg_gen_mov_i32(TCGV_HIGH(ret), t0);
     tcg_temp_free_i32(t0);
     tcg_temp_free_i32(t1);
 }
 #else

 static inline void tcg_gen_ext8s_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_ext8s_i64) {
         tcg_gen_op2_i64(INDEX_op_ext8s_i64, ret, arg);
     } else {
         tcg_gen_shli_i64(ret, arg, 56);
         tcg_gen_sari_i64(ret, ret, 56);
     }
 }

 static inline void tcg_gen_ext16s_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_ext16s_i64) {
         tcg_gen_op2_i64(INDEX_op_ext16s_i64, ret, arg);
     } else {
         tcg_gen_shli_i64(ret, arg, 48);
         tcg_gen_sari_i64(ret, ret, 48);
     }
 }

 static inline void tcg_gen_ext32s_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_ext32s_i64) {
         tcg_gen_op2_i64(INDEX_op_ext32s_i64, ret, arg);
     } else {
         tcg_gen_shli_i64(ret, arg, 32);
         tcg_gen_sari_i64(ret, ret, 32);
     }
 }

 static inline void tcg_gen_ext8u_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_ext8u_i64) {
         tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg);
     } else {
         tcg_gen_andi_i64(ret, arg, 0xffu);
     }
 }

 static inline void tcg_gen_ext16u_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_ext16u_i64) {
         tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg);
     } else {
         tcg_gen_andi_i64(ret, arg, 0xffffu);
     }
 }

 static inline void tcg_gen_ext32u_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_ext32u_i64) {
         tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg);
     } else {
         tcg_gen_andi_i64(ret, arg, 0xffffffffu);
     }
 }

 /* Note: we assume the target supports move between 32 and 64 bit
    registers.  This will probably break MIPS64 targets.  */
 static inline void tcg_gen_trunc_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
 {
     tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(arg)));
 }

 /* Note: we assume the target supports move between 32 and 64 bit
    registers */
 static inline void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
 {
     tcg_gen_ext32u_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg)));
 }

 /* Note: we assume the target supports move between 32 and 64 bit
    registers */
 static inline void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
 {
     tcg_gen_ext32s_i64(ret, MAKE_TCGV_I64(GET_TCGV_I32(arg)));
 }

 /* Note: we assume the six high bytes are set to zero */
 static inline void tcg_gen_bswap16_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_bswap16_i64) {
         tcg_gen_op2_i64(INDEX_op_bswap16_i64, ret, arg);
     } else {
         TCGv_i64 t0 = tcg_temp_new_i64();

         tcg_gen_ext8u_i64(t0, arg);
         tcg_gen_shli_i64(t0, t0, 8);
         tcg_gen_shri_i64(ret, arg, 8);
         tcg_gen_or_i64(ret, ret, t0);
         tcg_temp_free_i64(t0);
     }
 }

 /* Note: we assume the four high bytes are set to zero */
 static inline void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_bswap32_i64) {
         tcg_gen_op2_i64(INDEX_op_bswap32_i64, ret, arg);
     } else {
         TCGv_i64 t0, t1;
         t0 = tcg_temp_new_i64();
         t1 = tcg_temp_new_i64();

         tcg_gen_shli_i64(t0, arg, 24);
         tcg_gen_ext32u_i64(t0, t0);

         tcg_gen_andi_i64(t1, arg, 0x0000ff00);
         tcg_gen_shli_i64(t1, t1, 8);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_shri_i64(t1, arg, 8);
         tcg_gen_andi_i64(t1, t1, 0x0000ff00);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_shri_i64(t1, arg, 24);
         tcg_gen_or_i64(ret, t0, t1);
         tcg_temp_free_i64(t0);
         tcg_temp_free_i64(t1);
     }
 }

 static inline void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_bswap64_i64) {
         tcg_gen_op2_i64(INDEX_op_bswap64_i64, ret, arg);
     } else {
         TCGv_i64 t0 = tcg_temp_new_i64();
         TCGv_i64 t1 = tcg_temp_new_i64();

         tcg_gen_shli_i64(t0, arg, 56);

         tcg_gen_andi_i64(t1, arg, 0x0000ff00);
         tcg_gen_shli_i64(t1, t1, 40);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_andi_i64(t1, arg, 0x00ff0000);
         tcg_gen_shli_i64(t1, t1, 24);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_andi_i64(t1, arg, 0xff000000);
         tcg_gen_shli_i64(t1, t1, 8);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_shri_i64(t1, arg, 8);
         tcg_gen_andi_i64(t1, t1, 0xff000000);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_shri_i64(t1, arg, 24);
         tcg_gen_andi_i64(t1, t1, 0x00ff0000);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_shri_i64(t1, arg, 40);
         tcg_gen_andi_i64(t1, t1, 0x0000ff00);
         tcg_gen_or_i64(t0, t0, t1);

         tcg_gen_shri_i64(t1, arg, 56);
         tcg_gen_or_i64(ret, t0, t1);
         tcg_temp_free_i64(t0);
         tcg_temp_free_i64(t1);
     }
 }

 #endif

 static inline void tcg_gen_neg_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_neg_i32) {
         tcg_gen_op2_i32(INDEX_op_neg_i32, ret, arg);
     } else {
         TCGv_i32 t0 = tcg_const_i32(0);
         tcg_gen_sub_i32(ret, t0, arg);
         tcg_temp_free_i32(t0);
     }
 }

 static inline void tcg_gen_neg_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
     if (TCG_TARGET_HAS_neg_i64) {
         tcg_gen_op2_i64(INDEX_op_neg_i64, ret, arg);
     } else {
         TCGv_i64 t0 = tcg_const_i64(0);
         tcg_gen_sub_i64(ret, t0, arg);
         tcg_temp_free_i64(t0);
     }
 }

 static inline void tcg_gen_not_i32(TCGv_i32 ret, TCGv_i32 arg)
 {
     if (TCG_TARGET_HAS_not_i32) {
         tcg_gen_op2_i32(INDEX_op_not_i32, ret, arg);
     } else {
         tcg_gen_xori_i32(ret, arg, -1);
     }
 }

 static inline void tcg_gen_not_i64(TCGv_i64 ret, TCGv_i64 arg)
 {
 #if TCG_TARGET_REG_BITS == 64
     if (TCG_TARGET_HAS_not_i64) {
         tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg);
     } else {
         tcg_gen_xori_i64(ret, arg, -1);
     }
 #else
     tcg_gen_not_i32(TCGV_LOW(ret), TCGV_LOW(arg));
     tcg_gen_not_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
 #endif
 }

 static inline void tcg_gen_discard_i32(TCGv_i32 arg)
 {
     tcg_gen_op1_i32(INDEX_op_discard, arg);
 }

 static inline void tcg_gen_discard_i64(TCGv_i64 arg)
 {
 #if TCG_TARGET_REG_BITS == 32
     tcg_gen_discard_i32(TCGV_LOW(arg));
     tcg_gen_discard_i32(TCGV_HIGH(arg));
 #else
     tcg_gen_op1_i64(INDEX_op_discard, arg);
 #endif
 }

 static inline void tcg_gen_concat_i32_i64(TCGv_i64 dest, TCGv_i32 low, TCGv_i32 high)
 {
 #if TCG_TARGET_REG_BITS == 32
     tcg_gen_mov_i32(TCGV_LOW(dest), low);
     tcg_gen_mov_i32(TCGV_HIGH(dest), high);
 #else
     TCGv_i64 tmp = tcg_temp_new_i64();
     /* This extension is only needed for type correctness.
        We may be able to do better given target specific information.  */
     tcg_gen_extu_i32_i64(tmp, high);
     tcg_gen_shli_i64(tmp, tmp, 32);
     tcg_gen_extu_i32_i64(dest, low);
     tcg_gen_or_i64(dest, dest, tmp);
     tcg_temp_free_i64(tmp);
 #endif
 }

 static inline void tcg_gen_concat32_i64(TCGv_i64 dest, TCGv_i64 low, TCGv_i64 high)
 {
 #if TCG_TARGET_REG_BITS == 32
     tcg_gen_concat_i32_i64(dest, TCGV_LOW(low), TCGV_LOW(high));
 #else
     TCGv_i64 tmp = tcg_temp_new_i64();
     tcg_gen_ext32u_i64(dest, low);
     tcg_gen_shli_i64(tmp, high, 32);
     tcg_gen_or_i64(dest, dest, tmp);
     tcg_temp_free_i64(tmp);
 #endif
 }

 static inline void tcg_gen_andc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_andc_i32) {
         tcg_gen_op3_i32(INDEX_op_andc_i32, ret, arg1, arg2);
     } else {
         TCGv_i32 t0 = tcg_temp_new_i32();
         tcg_gen_not_i32(t0, arg2);
         tcg_gen_and_i32(ret, arg1, t0);
         tcg_temp_free_i32(t0);
     }
 }

 static inline void tcg_gen_andc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
 #if TCG_TARGET_REG_BITS == 64
     if (TCG_TARGET_HAS_andc_i64) {
         tcg_gen_op3_i64(INDEX_op_andc_i64, ret, arg1, arg2);
     } else {
         TCGv_i64 t0 = tcg_temp_new_i64();
         tcg_gen_not_i64(t0, arg2);
         tcg_gen_and_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 #else
     tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
     tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
 #endif
 }

 static inline void tcg_gen_eqv_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_eqv_i32) {
         tcg_gen_op3_i32(INDEX_op_eqv_i32, ret, arg1, arg2);
     } else {
         tcg_gen_xor_i32(ret, arg1, arg2);
         tcg_gen_not_i32(ret, ret);
     }
 }

 static inline void tcg_gen_eqv_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
 #if TCG_TARGET_REG_BITS == 64
     if (TCG_TARGET_HAS_eqv_i64) {
         tcg_gen_op3_i64(INDEX_op_eqv_i64, ret, arg1, arg2);
     } else {
         tcg_gen_xor_i64(ret, arg1, arg2);
         tcg_gen_not_i64(ret, ret);
     }
 #else
     tcg_gen_eqv_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
     tcg_gen_eqv_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
 #endif
 }

 static inline void tcg_gen_nand_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_nand_i32) {
         tcg_gen_op3_i32(INDEX_op_nand_i32, ret, arg1, arg2);
     } else {
         tcg_gen_and_i32(ret, arg1, arg2);
         tcg_gen_not_i32(ret, ret);
     }
 }

 static inline void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
 #if TCG_TARGET_REG_BITS == 64
     if (TCG_TARGET_HAS_nand_i64) {
         tcg_gen_op3_i64(INDEX_op_nand_i64, ret, arg1, arg2);
     } else {
         tcg_gen_and_i64(ret, arg1, arg2);
         tcg_gen_not_i64(ret, ret);
     }
 #else
     tcg_gen_nand_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
     tcg_gen_nand_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
 #endif
 }

 static inline void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_nor_i32) {
         tcg_gen_op3_i32(INDEX_op_nor_i32, ret, arg1, arg2);
     } else {
         tcg_gen_or_i32(ret, arg1, arg2);
         tcg_gen_not_i32(ret, ret);
     }
 }

 static inline void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
 #if TCG_TARGET_REG_BITS == 64
     if (TCG_TARGET_HAS_nor_i64) {
         tcg_gen_op3_i64(INDEX_op_nor_i64, ret, arg1, arg2);
     } else {
         tcg_gen_or_i64(ret, arg1, arg2);
         tcg_gen_not_i64(ret, ret);
     }
 #else
     tcg_gen_nor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
     tcg_gen_nor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
 #endif
 }

 static inline void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_orc_i32) {
         tcg_gen_op3_i32(INDEX_op_orc_i32, ret, arg1, arg2);
     } else {
         TCGv_i32 t0 = tcg_temp_new_i32();
         tcg_gen_not_i32(t0, arg2);
         tcg_gen_or_i32(ret, arg1, t0);
         tcg_temp_free_i32(t0);
     }
 }

 static inline void tcg_gen_orc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
 #if TCG_TARGET_REG_BITS == 64
     if (TCG_TARGET_HAS_orc_i64) {
         tcg_gen_op3_i64(INDEX_op_orc_i64, ret, arg1, arg2);
     } else {
         TCGv_i64 t0 = tcg_temp_new_i64();
         tcg_gen_not_i64(t0, arg2);
         tcg_gen_or_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     }
 #else
     tcg_gen_orc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
     tcg_gen_orc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
 #endif
 }

 static inline void tcg_gen_rotl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_rot_i32) {
         tcg_gen_op3_i32(INDEX_op_rotl_i32, ret, arg1, arg2);
     } else {
         TCGv_i32 t0, t1;

         t0 = tcg_temp_new_i32();
         t1 = tcg_temp_new_i32();
         tcg_gen_shl_i32(t0, arg1, arg2);
         tcg_gen_subfi_i32(t1, 32, arg2);
         tcg_gen_shr_i32(t1, arg1, t1);
         tcg_gen_or_i32(ret, t0, t1);
         tcg_temp_free_i32(t0);
         tcg_temp_free_i32(t1);
     }
 }

 static inline void tcg_gen_rotl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCG_TARGET_HAS_rot_i64) {
         tcg_gen_op3_i64(INDEX_op_rotl_i64, ret, arg1, arg2);
     } else {
         TCGv_i64 t0, t1;
         t0 = tcg_temp_new_i64();
         t1 = tcg_temp_new_i64();
         tcg_gen_shl_i64(t0, arg1, arg2);
         tcg_gen_subfi_i64(t1, 64, arg2);
         tcg_gen_shr_i64(t1, arg1, t1);
         tcg_gen_or_i64(ret, t0, t1);
         tcg_temp_free_i64(t0);
         tcg_temp_free_i64(t1);
     }
 }

 static inline void tcg_gen_rotli_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 if (TCG_TARGET_HAS_rot_i32) {
         TCGv_i32 t0 = tcg_const_i32(arg2);
         tcg_gen_rotl_i32(ret, arg1, t0);
         tcg_temp_free_i32(t0);
     } else {
         TCGv_i32 t0, t1;
         t0 = tcg_temp_new_i32();
         t1 = tcg_temp_new_i32();
         tcg_gen_shli_i32(t0, arg1, arg2);
         tcg_gen_shri_i32(t1, arg1, 32 - arg2);
         tcg_gen_or_i32(ret, t0, t1);
         tcg_temp_free_i32(t0);
         tcg_temp_free_i32(t1);
     }
 }

 static inline void tcg_gen_rotli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     /* some cases can be optimized here */
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else if (TCG_TARGET_HAS_rot_i64) {
         TCGv_i64 t0 = tcg_const_i64(arg2);
         tcg_gen_rotl_i64(ret, arg1, t0);
         tcg_temp_free_i64(t0);
     } else {
         TCGv_i64 t0, t1;
         t0 = tcg_temp_new_i64();
         t1 = tcg_temp_new_i64();
         tcg_gen_shli_i64(t0, arg1, arg2);
         tcg_gen_shri_i64(t1, arg1, 64 - arg2);
         tcg_gen_or_i64(ret, t0, t1);
         tcg_temp_free_i64(t0);
         tcg_temp_free_i64(t1);
     }
 }

 static inline void tcg_gen_rotr_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
 {
     if (TCG_TARGET_HAS_rot_i32) {
         tcg_gen_op3_i32(INDEX_op_rotr_i32, ret, arg1, arg2);
     } else {
         TCGv_i32 t0, t1;

         t0 = tcg_temp_new_i32();
         t1 = tcg_temp_new_i32();
         tcg_gen_shr_i32(t0, arg1, arg2);
         tcg_gen_subfi_i32(t1, 32, arg2);
         tcg_gen_shl_i32(t1, arg1, t1);
         tcg_gen_or_i32(ret, t0, t1);
         tcg_temp_free_i32(t0);
         tcg_temp_free_i32(t1);
     }
 }

 static inline void tcg_gen_rotr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
 {
     if (TCG_TARGET_HAS_rot_i64) {
         tcg_gen_op3_i64(INDEX_op_rotr_i64, ret, arg1, arg2);
     } else {
         TCGv_i64 t0, t1;
         t0 = tcg_temp_new_i64();
         t1 = tcg_temp_new_i64();
         tcg_gen_shr_i64(t0, arg1, arg2);
         tcg_gen_subfi_i64(t1, 64, arg2);
         tcg_gen_shl_i64(t1, arg1, t1);
         tcg_gen_or_i64(ret, t0, t1);
         tcg_temp_free_i64(t0);
         tcg_temp_free_i64(t1);
     }
 }

 static inline void tcg_gen_rotri_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 {
         tcg_gen_rotli_i32(ret, arg1, 32 - arg2);
     }
 }

 static inline void tcg_gen_rotri_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
 {
     /* some cases can be optimized here */
     if (arg2 == 0) {
         tcg_gen_mov_i64(ret, arg1);
     } else {
         tcg_gen_rotli_i64(ret, arg1, 64 - arg2);
     }
 }

 static inline void tcg_gen_deposit_i32(TCGv_i32 ret, TCGv_i32 arg1,
                                        TCGv_i32 arg2, unsigned int ofs,
                                        unsigned int len)
 {
     uint32_t mask;
     TCGv_i32 t1;

     if (ofs == 0 && len == 32) {
         tcg_gen_mov_i32(ret, arg2);
         return;
     }
     if (TCG_TARGET_HAS_deposit_i32 && TCG_TARGET_deposit_i32_valid(ofs, len)) {
         tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, arg1, arg2, ofs, len);
         return;
     }

     mask = (1u << len) - 1;
     t1 = tcg_temp_new_i32();

     if (ofs + len < 32) {
         tcg_gen_andi_i32(t1, arg2, mask);
         tcg_gen_shli_i32(t1, t1, ofs);
     } else {
         tcg_gen_shli_i32(t1, arg2, ofs);
     }
     tcg_gen_andi_i32(ret, arg1, ~(mask << ofs));
     tcg_gen_or_i32(ret, ret, t1);

     tcg_temp_free_i32(t1);
 }

 static inline void tcg_gen_deposit_i64(TCGv_i64 ret, TCGv_i64 arg1,
                                        TCGv_i64 arg2, unsigned int ofs,
                                        unsigned int len)
 {
     uint64_t mask;
     TCGv_i64 t1;

     if (ofs == 0 && len == 64) {
         tcg_gen_mov_i64(ret, arg2);
         return;
     }
     if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(ofs, len)) {
         tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, arg1, arg2, ofs, len);
         return;
     }

 #if TCG_TARGET_REG_BITS == 32
     if (ofs >= 32) {
         tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
         tcg_gen_deposit_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1),
                             TCGV_LOW(arg2), ofs - 32, len);
         return;
     }
     if (ofs + len <= 32) {
         tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(arg1),
                             TCGV_LOW(arg2), ofs, len);
         tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
         return;
     }
 #endif

     mask = (1ull << len) - 1;
     t1 = tcg_temp_new_i64();

     if (ofs + len < 64) {
         tcg_gen_andi_i64(t1, arg2, mask);
         tcg_gen_shli_i64(t1, t1, ofs);
     } else {
         tcg_gen_shli_i64(t1, arg2, ofs);
     }
     tcg_gen_andi_i64(ret, arg1, ~(mask << ofs));
     tcg_gen_or_i64(ret, ret, t1);

     tcg_temp_free_i64(t1);
 }

 /***************************************/
 /* QEMU specific operations. Their type depend on the QEMU CPU
    type. */
 #ifndef TARGET_LONG_BITS
 #error must include QEMU headers
 #endif

 #if TARGET_LONG_BITS == 32
 #define TCGv TCGv_i32
 #define tcg_temp_new() tcg_temp_new_i32()
 #define tcg_global_reg_new tcg_global_reg_new_i32
 #define tcg_global_mem_new tcg_global_mem_new_i32
 #define tcg_temp_local_new() tcg_temp_local_new_i32()
 #define tcg_temp_free tcg_temp_free_i32
 #define tcg_gen_qemu_ldst_op tcg_gen_op3i_i32
 #define tcg_gen_qemu_ldst_op_i64 tcg_gen_qemu_ldst_op_i64_i32
 #define TCGV_UNUSED(x) TCGV_UNUSED_I32(x)
 #define TCGV_EQUAL(a, b) TCGV_EQUAL_I32(a, b)
 #else
 #define TCGv TCGv_i64
 #define tcg_temp_new() tcg_temp_new_i64()
 #define tcg_global_reg_new tcg_global_reg_new_i64
 #define tcg_global_mem_new tcg_global_mem_new_i64
 #define tcg_temp_local_new() tcg_temp_local_new_i64()
 #define tcg_temp_free tcg_temp_free_i64
 #define tcg_gen_qemu_ldst_op tcg_gen_op3i_i64
 #define tcg_gen_qemu_ldst_op_i64 tcg_gen_qemu_ldst_op_i64_i64
 #define TCGV_UNUSED(x) TCGV_UNUSED_I64(x)
 #define TCGV_EQUAL(a, b) TCGV_EQUAL_I64(a, b)
 #endif

 /* debug info: write the PC of the corresponding QEMU CPU instruction */
 static inline void tcg_gen_debug_insn_start(uint64_t pc)
 {
     /* XXX: must really use a 32 bit size for TCGArg in all cases */
 #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
     tcg_gen_op2ii(INDEX_op_debug_insn_start,
                   (uint32_t)(pc), (uint32_t)(pc >> 32));
 #else
     tcg_gen_op1i(INDEX_op_debug_insn_start, pc);
 #endif
 }

 static inline void tcg_gen_exit_tb(tcg_target_long val)
 {
     tcg_gen_op1i(INDEX_op_exit_tb, val);
 }

 static inline void tcg_gen_goto_tb(int idx)
 {
     tcg_gen_op1i(INDEX_op_goto_tb, idx);
 }

 #if TCG_TARGET_REG_BITS == 32
 static inline void tcg_gen_qemu_ld8u(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_ld8u, ret, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_ld8u, TCGV_LOW(ret), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 #endif
 }

 static inline void tcg_gen_qemu_ld8s(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_ld8s, ret, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_ld8s, TCGV_LOW(ret), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 #endif
 }

 static inline void tcg_gen_qemu_ld16u(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_ld16u, ret, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_ld16u, TCGV_LOW(ret), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 #endif
 }

 static inline void tcg_gen_qemu_ld16s(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_ld16s, ret, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_ld16s, TCGV_LOW(ret), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 #endif
 }

 static inline void tcg_gen_qemu_ld32u(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_ld32, ret, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_ld32, TCGV_LOW(ret), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
     tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
 #endif
 }

 static inline void tcg_gen_qemu_ld32s(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_ld32, ret, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_ld32, TCGV_LOW(ret), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
     tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
 #endif
 }

 static inline void tcg_gen_qemu_ld64(TCGv_i64 ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op4i_i32(INDEX_op_qemu_ld64, TCGV_LOW(ret), TCGV_HIGH(ret), addr, mem_index);
 #else
     tcg_gen_op5i_i32(INDEX_op_qemu_ld64, TCGV_LOW(ret), TCGV_HIGH(ret),
                      TCGV_LOW(addr), TCGV_HIGH(addr), mem_index);
 #endif
 }

 static inline void tcg_gen_qemu_st8(TCGv arg, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_st8, arg, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_st8, TCGV_LOW(arg), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
 #endif
 }

 static inline void tcg_gen_qemu_st16(TCGv arg, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_st16, arg, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_st16, TCGV_LOW(arg), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
 #endif
 }

 static inline void tcg_gen_qemu_st32(TCGv arg, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op3i_i32(INDEX_op_qemu_st32, arg, addr, mem_index);
 #else
     tcg_gen_op4i_i32(INDEX_op_qemu_st32, TCGV_LOW(arg), TCGV_LOW(addr),
                      TCGV_HIGH(addr), mem_index);
 #endif
 }

 static inline void tcg_gen_qemu_st64(TCGv_i64 arg, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_op4i_i32(INDEX_op_qemu_st64, TCGV_LOW(arg), TCGV_HIGH(arg), addr,
                      mem_index);
 #else
     tcg_gen_op5i_i32(INDEX_op_qemu_st64, TCGV_LOW(arg), TCGV_HIGH(arg),
                      TCGV_LOW(addr), TCGV_HIGH(addr), mem_index);
 #endif
 }

 #define tcg_gen_ld_ptr(R, A, O) tcg_gen_ld_i32(TCGV_PTR_TO_NAT(R), (A), (O))
 #define tcg_gen_discard_ptr(A) tcg_gen_discard_i32(TCGV_PTR_TO_NAT(A))

 #else /* TCG_TARGET_REG_BITS == 32 */

 static inline void tcg_gen_qemu_ld8u(TCGv ret, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld8u, ret, addr, mem_index);
 }

 static inline void tcg_gen_qemu_ld8s(TCGv ret, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld8s, ret, addr, mem_index);
 }

 static inline void tcg_gen_qemu_ld16u(TCGv ret, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld16u, ret, addr, mem_index);
 }

 static inline void tcg_gen_qemu_ld16s(TCGv ret, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld16s, ret, addr, mem_index);
 }

 static inline void tcg_gen_qemu_ld32u(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld32, ret, addr, mem_index);
 #else
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld32u, ret, addr, mem_index);
 #endif
 }

 static inline void tcg_gen_qemu_ld32s(TCGv ret, TCGv addr, int mem_index)
 {
 #if TARGET_LONG_BITS == 32
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld32, ret, addr, mem_index);
 #else
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_ld32s, ret, addr, mem_index);
 #endif
 }

 static inline void tcg_gen_qemu_ld64(TCGv_i64 ret, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op_i64(INDEX_op_qemu_ld64, ret, addr, mem_index);
 }

 static inline void tcg_gen_qemu_st8(TCGv arg, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_st8, arg, addr, mem_index);
 }

 static inline void tcg_gen_qemu_st16(TCGv arg, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_st16, arg, addr, mem_index);
 }

 static inline void tcg_gen_qemu_st32(TCGv arg, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op(INDEX_op_qemu_st32, arg, addr, mem_index);
 }

 static inline void tcg_gen_qemu_st64(TCGv_i64 arg, TCGv addr, int mem_index)
 {
     tcg_gen_qemu_ldst_op_i64(INDEX_op_qemu_st64, arg, addr, mem_index);
 }

 #define tcg_gen_ld_ptr(R, A, O) tcg_gen_ld_i64(TCGV_PTR_TO_NAT(R), (A), (O))
 #define tcg_gen_discard_ptr(A) tcg_gen_discard_i64(TCGV_PTR_TO_NAT(A))

 #endif /* TCG_TARGET_REG_BITS != 32 */

 #if TARGET_LONG_BITS == 64
 #define tcg_gen_movi_tl tcg_gen_movi_i64
 #define tcg_gen_mov_tl tcg_gen_mov_i64
 #define tcg_gen_ld8u_tl tcg_gen_ld8u_i64
 #define tcg_gen_ld8s_tl tcg_gen_ld8s_i64
 #define tcg_gen_ld16u_tl tcg_gen_ld16u_i64
 #define tcg_gen_ld16s_tl tcg_gen_ld16s_i64
 #define tcg_gen_ld32u_tl tcg_gen_ld32u_i64
 #define tcg_gen_ld32s_tl tcg_gen_ld32s_i64
 #define tcg_gen_ld_tl tcg_gen_ld_i64
 #define tcg_gen_st8_tl tcg_gen_st8_i64
 #define tcg_gen_st16_tl tcg_gen_st16_i64
 #define tcg_gen_st32_tl tcg_gen_st32_i64
 #define tcg_gen_st_tl tcg_gen_st_i64
 #define tcg_gen_add_tl tcg_gen_add_i64
 #define tcg_gen_addi_tl tcg_gen_addi_i64
 #define tcg_gen_sub_tl tcg_gen_sub_i64
 #define tcg_gen_neg_tl tcg_gen_neg_i64
 #define tcg_gen_subfi_tl tcg_gen_subfi_i64
 #define tcg_gen_subi_tl tcg_gen_subi_i64
 #define tcg_gen_and_tl tcg_gen_and_i64
 #define tcg_gen_andi_tl tcg_gen_andi_i64
 #define tcg_gen_or_tl tcg_gen_or_i64
 #define tcg_gen_ori_tl tcg_gen_ori_i64
 #define tcg_gen_xor_tl tcg_gen_xor_i64
 #define tcg_gen_xori_tl tcg_gen_xori_i64
 #define tcg_gen_not_tl tcg_gen_not_i64
 #define tcg_gen_shl_tl tcg_gen_shl_i64
 #define tcg_gen_shli_tl tcg_gen_shli_i64
 #define tcg_gen_shr_tl tcg_gen_shr_i64
 #define tcg_gen_shri_tl tcg_gen_shri_i64
 #define tcg_gen_sar_tl tcg_gen_sar_i64
 #define tcg_gen_sari_tl tcg_gen_sari_i64
 #define tcg_gen_brcond_tl tcg_gen_brcond_i64
 #define tcg_gen_brcondi_tl tcg_gen_brcondi_i64
 #define tcg_gen_setcond_tl tcg_gen_setcond_i64
 #define tcg_gen_setcondi_tl tcg_gen_setcondi_i64
 #define tcg_gen_mul_tl tcg_gen_mul_i64
 #define tcg_gen_muli_tl tcg_gen_muli_i64
 #define tcg_gen_div_tl tcg_gen_div_i64
 #define tcg_gen_rem_tl tcg_gen_rem_i64
 #define tcg_gen_divu_tl tcg_gen_divu_i64
 #define tcg_gen_remu_tl tcg_gen_remu_i64
 #define tcg_gen_discard_tl tcg_gen_discard_i64
 #define tcg_gen_trunc_tl_i32 tcg_gen_trunc_i64_i32
 #define tcg_gen_trunc_i64_tl tcg_gen_mov_i64
 #define tcg_gen_extu_i32_tl tcg_gen_extu_i32_i64
 #define tcg_gen_ext_i32_tl tcg_gen_ext_i32_i64
 #define tcg_gen_extu_tl_i64 tcg_gen_mov_i64
 #define tcg_gen_ext_tl_i64 tcg_gen_mov_i64
 #define tcg_gen_ext8u_tl tcg_gen_ext8u_i64
 #define tcg_gen_ext8s_tl tcg_gen_ext8s_i64
 #define tcg_gen_ext16u_tl tcg_gen_ext16u_i64
 #define tcg_gen_ext16s_tl tcg_gen_ext16s_i64
 #define tcg_gen_ext32u_tl tcg_gen_ext32u_i64
 #define tcg_gen_ext32s_tl tcg_gen_ext32s_i64
 #define tcg_gen_bswap16_tl tcg_gen_bswap16_i64
 #define tcg_gen_bswap32_tl tcg_gen_bswap32_i64
 #define tcg_gen_bswap64_tl tcg_gen_bswap64_i64
 #define tcg_gen_concat_tl_i64 tcg_gen_concat32_i64
 #define tcg_gen_andc_tl tcg_gen_andc_i64
 #define tcg_gen_eqv_tl tcg_gen_eqv_i64
 #define tcg_gen_nand_tl tcg_gen_nand_i64
 #define tcg_gen_nor_tl tcg_gen_nor_i64
 #define tcg_gen_orc_tl tcg_gen_orc_i64
 #define tcg_gen_rotl_tl tcg_gen_rotl_i64
 #define tcg_gen_rotli_tl tcg_gen_rotli_i64
 #define tcg_gen_rotr_tl tcg_gen_rotr_i64
 #define tcg_gen_rotri_tl tcg_gen_rotri_i64
 #define tcg_gen_deposit_tl tcg_gen_deposit_i64
 #define tcg_const_tl tcg_const_i64
 #define tcg_const_local_tl tcg_const_local_i64
 #else
 #define tcg_gen_movi_tl tcg_gen_movi_i32
 #define tcg_gen_mov_tl tcg_gen_mov_i32
 #define tcg_gen_ld8u_tl tcg_gen_ld8u_i32
 #define tcg_gen_ld8s_tl tcg_gen_ld8s_i32
 #define tcg_gen_ld16u_tl tcg_gen_ld16u_i32
 #define tcg_gen_ld16s_tl tcg_gen_ld16s_i32
 #define tcg_gen_ld32u_tl tcg_gen_ld_i32
 #define tcg_gen_ld32s_tl tcg_gen_ld_i32
 #define tcg_gen_ld_tl tcg_gen_ld_i32
 #define tcg_gen_st8_tl tcg_gen_st8_i32
 #define tcg_gen_st16_tl tcg_gen_st16_i32
 #define tcg_gen_st32_tl tcg_gen_st_i32
 #define tcg_gen_st_tl tcg_gen_st_i32
 #define tcg_gen_add_tl tcg_gen_add_i32
 #define tcg_gen_addi_tl tcg_gen_addi_i32
 #define tcg_gen_sub_tl tcg_gen_sub_i32
 #define tcg_gen_neg_tl tcg_gen_neg_i32
 #define tcg_gen_subfi_tl tcg_gen_subfi_i32
 #define tcg_gen_subi_tl tcg_gen_subi_i32
 #define tcg_gen_and_tl tcg_gen_and_i32
 #define tcg_gen_andi_tl tcg_gen_andi_i32
 #define tcg_gen_or_tl tcg_gen_or_i32
 #define tcg_gen_ori_tl tcg_gen_ori_i32
 #define tcg_gen_xor_tl tcg_gen_xor_i32
 #define tcg_gen_xori_tl tcg_gen_xori_i32
 #define tcg_gen_not_tl tcg_gen_not_i32
 #define tcg_gen_shl_tl tcg_gen_shl_i32
 #define tcg_gen_shli_tl tcg_gen_shli_i32
 #define tcg_gen_shr_tl tcg_gen_shr_i32
 #define tcg_gen_shri_tl tcg_gen_shri_i32
 #define tcg_gen_sar_tl tcg_gen_sar_i32
 #define tcg_gen_sari_tl tcg_gen_sari_i32
 #define tcg_gen_brcond_tl tcg_gen_brcond_i32
 #define tcg_gen_brcondi_tl tcg_gen_brcondi_i32
 #define tcg_gen_setcond_tl tcg_gen_setcond_i32
 #define tcg_gen_setcondi_tl tcg_gen_setcondi_i32
 #define tcg_gen_mul_tl tcg_gen_mul_i32
 #define tcg_gen_muli_tl tcg_gen_muli_i32
 #define tcg_gen_div_tl tcg_gen_div_i32
 #define tcg_gen_rem_tl tcg_gen_rem_i32
 #define tcg_gen_divu_tl tcg_gen_divu_i32
 #define tcg_gen_remu_tl tcg_gen_remu_i32
 #define tcg_gen_discard_tl tcg_gen_discard_i32
 #define tcg_gen_trunc_tl_i32 tcg_gen_mov_i32
 #define tcg_gen_trunc_i64_tl tcg_gen_trunc_i64_i32
 #define tcg_gen_extu_i32_tl tcg_gen_mov_i32
 #define tcg_gen_ext_i32_tl tcg_gen_mov_i32
 #define tcg_gen_extu_tl_i64 tcg_gen_extu_i32_i64
 #define tcg_gen_ext_tl_i64 tcg_gen_ext_i32_i64
 #define tcg_gen_ext8u_tl tcg_gen_ext8u_i32
 #define tcg_gen_ext8s_tl tcg_gen_ext8s_i32
 #define tcg_gen_ext16u_tl tcg_gen_ext16u_i32
 #define tcg_gen_ext16s_tl tcg_gen_ext16s_i32
 #define tcg_gen_ext32u_tl tcg_gen_mov_i32
 #define tcg_gen_ext32s_tl tcg_gen_mov_i32
 #define tcg_gen_bswap16_tl tcg_gen_bswap16_i32
 #define tcg_gen_bswap32_tl tcg_gen_bswap32_i32
 #define tcg_gen_concat_tl_i64 tcg_gen_concat_i32_i64
 #define tcg_gen_andc_tl tcg_gen_andc_i32
 #define tcg_gen_eqv_tl tcg_gen_eqv_i32
 #define tcg_gen_nand_tl tcg_gen_nand_i32
 #define tcg_gen_nor_tl tcg_gen_nor_i32
 #define tcg_gen_orc_tl tcg_gen_orc_i32
 #define tcg_gen_rotl_tl tcg_gen_rotl_i32
 #define tcg_gen_rotli_tl tcg_gen_rotli_i32
 #define tcg_gen_rotr_tl tcg_gen_rotr_i32
 #define tcg_gen_rotri_tl tcg_gen_rotri_i32
 #define tcg_gen_deposit_tl tcg_gen_deposit_i32
 #define tcg_const_tl tcg_const_i32
 #define tcg_const_local_tl tcg_const_local_i32
 #endif

 #if TCG_TARGET_REG_BITS == 32
 #define tcg_gen_add_ptr(R, A, B) tcg_gen_add_i32(TCGV_PTR_TO_NAT(R), \
                                                TCGV_PTR_TO_NAT(A), \
                                                TCGV_PTR_TO_NAT(B))
 #define tcg_gen_addi_ptr(R, A, B) tcg_gen_addi_i32(TCGV_PTR_TO_NAT(R), \
                                                  TCGV_PTR_TO_NAT(A), (B))
 #define tcg_gen_ext_i32_ptr(R, A) tcg_gen_mov_i32(TCGV_PTR_TO_NAT(R), (A))
 #else /* TCG_TARGET_REG_BITS == 32 */
 #define tcg_gen_add_ptr(R, A, B) tcg_gen_add_i64(TCGV_PTR_TO_NAT(R), \
                                                TCGV_PTR_TO_NAT(A), \
                                                TCGV_PTR_TO_NAT(B))
 #define tcg_gen_addi_ptr(R, A, B) tcg_gen_addi_i64(TCGV_PTR_TO_NAT(R),   \
                                                  TCGV_PTR_TO_NAT(A), (B))
 #define tcg_gen_ext_i32_ptr(R, A) tcg_gen_ext_i32_i64(TCGV_PTR_TO_NAT(R), (A))
 #endif /* TCG_TARGET_REG_BITS != 32 */