On 10/20/2017 08:19 PM, Richard Henderson wrote:
> Transform TCGv_* to an "argument" or a temporary.
> For now, an argument is simply the temporary index.
> 
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
>  include/exec/helper-gen.h  | 10 ++---
>  include/exec/helper-head.h | 12 +++---
>  tcg/tcg-op.h               | 94 
> +++++++++++++++++++++++-----------------------
>  tcg/tcg.h                  | 32 +++++++++++++++-
>  tcg/tcg-op.c               | 14 +++----
>  tcg/tcg.c                  | 50 ++++++++++++------------
>  6 files changed, 122 insertions(+), 90 deletions(-)
> 
> diff --git a/include/exec/helper-gen.h b/include/exec/helper-gen.h
> index 476acd9220..15204ab961 100644
> --- a/include/exec/helper-gen.h
> +++ b/include/exec/helper-gen.h
> @@ -16,7 +16,7 @@ static inline void glue(gen_helper_, 
> name)(dh_retvar_decl0(ret))        \
>  static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
>      dh_arg_decl(t1, 1))                                                 \
>  {                                                                       \
> -  TCGArg args[1] = { dh_arg(t1, 1) };                                   \
> +  TCGTemp *args[1] = { dh_arg(t1, 1) };                                 \
>    tcg_gen_callN(HELPER(name), dh_retvar(ret), 1, args);                 \
>  }
>  
> @@ -24,7 +24,7 @@ static inline void glue(gen_helper_, 
> name)(dh_retvar_decl(ret)          \
>  static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
>      dh_arg_decl(t1, 1), dh_arg_decl(t2, 2))                             \
>  {                                                                       \
> -  TCGArg args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) };                    \
> +  TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) };                  \
>    tcg_gen_callN(HELPER(name), dh_retvar(ret), 2, args);                 \
>  }
>  
> @@ -32,7 +32,7 @@ static inline void glue(gen_helper_, 
> name)(dh_retvar_decl(ret)          \
>  static inline void glue(gen_helper_, name)(dh_retvar_decl(ret)          \
>      dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3))         \
>  {                                                                       \
> -  TCGArg args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) };     \
> +  TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) };   \
>    tcg_gen_callN(HELPER(name), dh_retvar(ret), 3, args);                 \
>  }
>  
> @@ -41,7 +41,7 @@ static inline void glue(gen_helper_, 
> name)(dh_retvar_decl(ret)          \
>      dh_arg_decl(t1, 1), dh_arg_decl(t2, 2),                             \
>      dh_arg_decl(t3, 3), dh_arg_decl(t4, 4))                             \
>  {                                                                       \
> -  TCGArg args[4] = { dh_arg(t1, 1), dh_arg(t2, 2),                      \
> +  TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2),                    \
>                       dh_arg(t3, 3), dh_arg(t4, 4) };                    \
>    tcg_gen_callN(HELPER(name), dh_retvar(ret), 4, args);                 \
>  }
> @@ -51,7 +51,7 @@ static inline void glue(gen_helper_, 
> name)(dh_retvar_decl(ret)          \
>      dh_arg_decl(t1, 1),  dh_arg_decl(t2, 2), dh_arg_decl(t3, 3),        \
>      dh_arg_decl(t4, 4), dh_arg_decl(t5, 5))                             \
>  {                                                                       \
> -  TCGArg args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3),       \
> +  TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3),     \
>                       dh_arg(t4, 4), dh_arg(t5, 5) };                    \
>    tcg_gen_callN(HELPER(name), dh_retvar(ret), 5, args);                 \
>  }
> diff --git a/include/exec/helper-head.h b/include/exec/helper-head.h
> index 1cfc43b9ff..13286018fd 100644
> --- a/include/exec/helper-head.h
> +++ b/include/exec/helper-head.h
> @@ -78,11 +78,11 @@
>  #define dh_retvar_decl_ptr TCGv_ptr retval,
>  #define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
>  
> -#define dh_retvar_void TCG_CALL_DUMMY_ARG
> -#define dh_retvar_noreturn TCG_CALL_DUMMY_ARG
> -#define dh_retvar_i32 GET_TCGV_i32(retval)
> -#define dh_retvar_i64 GET_TCGV_i64(retval)
> -#define dh_retvar_ptr GET_TCGV_ptr(retval)
> +#define dh_retvar_void NULL
> +#define dh_retvar_noreturn NULL
> +#define dh_retvar_i32 tcgv_i32_temp(retval)
> +#define dh_retvar_i64 tcgv_i64_temp(retval)
> +#define dh_retvar_ptr tcgv_ptr_temp(retval)

ok

>  #define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
>  
>  #define dh_is_64bit_void 0
> @@ -113,7 +113,7 @@
>    ((dh_is_64bit(t) << (n*2)) | (dh_is_signed(t) << (n*2+1)))
>  
>  #define dh_arg(t, n) \
> -  glue(GET_TCGV_, dh_alias(t))(glue(arg, n))
> +  glue(glue(tcgv_, dh_alias(t)), _temp)(glue(arg, n))

nasty...

>  
>  #define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
>  
> diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
> index de9a61206a..ab2f3c6cee 100644
> --- a/tcg/tcg-op.h
> +++ b/tcg/tcg-op.h
> @@ -37,12 +37,12 @@ void tcg_gen_op6(TCGOpcode, TCGArg, TCGArg, TCGArg, 
> TCGArg, TCGArg, TCGArg);
>  
>  static inline void tcg_gen_op1_i32(TCGOpcode opc, TCGv_i32 a1)
>  {
> -    tcg_gen_op1(opc, GET_TCGV_I32(a1));
> +    tcg_gen_op1(opc, tcgv_i32_arg(a1));
>  }
>  
>  static inline void tcg_gen_op1_i64(TCGOpcode opc, TCGv_i64 a1)
>  {
> -    tcg_gen_op1(opc, GET_TCGV_I64(a1));
> +    tcg_gen_op1(opc, tcgv_i64_arg(a1));
>  }
>  
>  static inline void tcg_gen_op1i(TCGOpcode opc, TCGArg a1)
> @@ -52,22 +52,22 @@ static inline void tcg_gen_op1i(TCGOpcode opc, TCGArg a1)
>  
>  static inline void tcg_gen_op2_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2)
>  {
> -    tcg_gen_op2(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2));
> +    tcg_gen_op2(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2));
>  }
>  
>  static inline void tcg_gen_op2_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2)
>  {
> -    tcg_gen_op2(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2));
> +    tcg_gen_op2(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2));
>  }
>  
>  static inline void tcg_gen_op2i_i32(TCGOpcode opc, TCGv_i32 a1, TCGArg a2)
>  {
> -    tcg_gen_op2(opc, GET_TCGV_I32(a1), a2);
> +    tcg_gen_op2(opc, tcgv_i32_arg(a1), a2);
>  }
>  
>  static inline void tcg_gen_op2i_i64(TCGOpcode opc, TCGv_i64 a1, TCGArg a2)
>  {
> -    tcg_gen_op2(opc, GET_TCGV_I64(a1), a2);
> +    tcg_gen_op2(opc, tcgv_i64_arg(a1), a2);
>  }
>  
>  static inline void tcg_gen_op2ii(TCGOpcode opc, TCGArg a1, TCGArg a2)
> @@ -78,167 +78,169 @@ static inline void tcg_gen_op2ii(TCGOpcode opc, TCGArg 
> a1, TCGArg a2)
>  static inline void tcg_gen_op3_i32(TCGOpcode opc, TCGv_i32 a1,
>                                     TCGv_i32 a2, TCGv_i32 a3)
>  {
> -    tcg_gen_op3(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2), GET_TCGV_I32(a3));
> +    tcg_gen_op3(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), tcgv_i32_arg(a3));
>  }
>  
>  static inline void tcg_gen_op3_i64(TCGOpcode opc, TCGv_i64 a1,
>                                     TCGv_i64 a2, TCGv_i64 a3)
>  {
> -    tcg_gen_op3(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2), GET_TCGV_I64(a3));
> +    tcg_gen_op3(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2), tcgv_i64_arg(a3));
>  }
>  
>  static inline void tcg_gen_op3i_i32(TCGOpcode opc, TCGv_i32 a1,
>                                      TCGv_i32 a2, TCGArg a3)
>  {
> -    tcg_gen_op3(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2), a3);
> +    tcg_gen_op3(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), a3);
>  }
>  
>  static inline void tcg_gen_op3i_i64(TCGOpcode opc, TCGv_i64 a1,
>                                      TCGv_i64 a2, TCGArg a3)
>  {
> -    tcg_gen_op3(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2), a3);
> +    tcg_gen_op3(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2), a3);
>  }
>  
>  static inline void tcg_gen_ldst_op_i32(TCGOpcode opc, TCGv_i32 val,
>                                         TCGv_ptr base, TCGArg offset)
>  {
> -    tcg_gen_op3(opc, GET_TCGV_I32(val), GET_TCGV_PTR(base), offset);
> +    tcg_gen_op3(opc, tcgv_i32_arg(val), tcgv_ptr_arg(base), offset);
>  }
>  
>  static inline void tcg_gen_ldst_op_i64(TCGOpcode opc, TCGv_i64 val,
>                                         TCGv_ptr base, TCGArg offset)
>  {
> -    tcg_gen_op3(opc, GET_TCGV_I64(val), GET_TCGV_PTR(base), offset);
> +    tcg_gen_op3(opc, tcgv_i64_arg(val), tcgv_ptr_arg(base), offset);
>  }
>  
>  static inline void tcg_gen_op4_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                     TCGv_i32 a3, TCGv_i32 a4)
>  {
> -    tcg_gen_op4(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), GET_TCGV_I32(a4));
> +    tcg_gen_op4(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), tcgv_i32_arg(a4));
>  }
>  
>  static inline void tcg_gen_op4_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                     TCGv_i64 a3, TCGv_i64 a4)
>  {
> -    tcg_gen_op4(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), GET_TCGV_I64(a4));
> +    tcg_gen_op4(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), tcgv_i64_arg(a4));
>  }
>  
>  static inline void tcg_gen_op4i_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                      TCGv_i32 a3, TCGArg a4)
>  {
> -    tcg_gen_op4(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2), GET_TCGV_I32(a3), 
> a4);
> +    tcg_gen_op4(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), a4);
>  }
>  
>  static inline void tcg_gen_op4i_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                      TCGv_i64 a3, TCGArg a4)
>  {
> -    tcg_gen_op4(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2), GET_TCGV_I64(a3), 
> a4);
> +    tcg_gen_op4(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), a4);
>  }
>  
>  static inline void tcg_gen_op4ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                       TCGArg a3, TCGArg a4)
>  {
> -    tcg_gen_op4(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2), a3, a4);
> +    tcg_gen_op4(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2), a3, a4);
>  }
>  
>  static inline void tcg_gen_op4ii_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                       TCGArg a3, TCGArg a4)
>  {
> -    tcg_gen_op4(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2), a3, a4);
> +    tcg_gen_op4(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2), a3, a4);
>  }
>  
>  static inline void tcg_gen_op5_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                     TCGv_i32 a3, TCGv_i32 a4, TCGv_i32 a5)
>  {
> -    tcg_gen_op5(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), GET_TCGV_I32(a4), GET_TCGV_I32(a5));
> +    tcg_gen_op5(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), tcgv_i32_arg(a4), tcgv_i32_arg(a5));
>  }
>  
>  static inline void tcg_gen_op5_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                     TCGv_i64 a3, TCGv_i64 a4, TCGv_i64 a5)
>  {
> -    tcg_gen_op5(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), GET_TCGV_I64(a4), GET_TCGV_I64(a5));
> +    tcg_gen_op5(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), tcgv_i64_arg(a4), tcgv_i64_arg(a5));
>  }
>  
>  static inline void tcg_gen_op5i_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                      TCGv_i32 a3, TCGv_i32 a4, TCGArg a5)
>  {
> -    tcg_gen_op5(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), GET_TCGV_I32(a4), a5);
> +    tcg_gen_op5(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), tcgv_i32_arg(a4), a5);
>  }
>  
>  static inline void tcg_gen_op5i_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                      TCGv_i64 a3, TCGv_i64 a4, TCGArg a5)
>  {
> -    tcg_gen_op5(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), GET_TCGV_I64(a4), a5);
> +    tcg_gen_op5(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), tcgv_i64_arg(a4), a5);
>  }
>  
>  static inline void tcg_gen_op5ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                       TCGv_i32 a3, TCGArg a4, TCGArg a5)
>  {
> -    tcg_gen_op5(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), a4, a5);
> +    tcg_gen_op5(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), a4, a5);
>  }
>  
>  static inline void tcg_gen_op5ii_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                       TCGv_i64 a3, TCGArg a4, TCGArg a5)
>  {
> -    tcg_gen_op5(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), a4, a5);
> +    tcg_gen_op5(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), a4, a5);
>  }
>  
>  static inline void tcg_gen_op6_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                     TCGv_i32 a3, TCGv_i32 a4,
>                                     TCGv_i32 a5, TCGv_i32 a6)
>  {
> -    tcg_gen_op6(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), GET_TCGV_I32(a4), GET_TCGV_I32(a5),
> -                GET_TCGV_I32(a6));
> +    tcg_gen_op6(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), tcgv_i32_arg(a4), tcgv_i32_arg(a5),
> +                tcgv_i32_arg(a6));
>  }
>  
>  static inline void tcg_gen_op6_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                     TCGv_i64 a3, TCGv_i64 a4,
>                                     TCGv_i64 a5, TCGv_i64 a6)
>  {
> -    tcg_gen_op6(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), GET_TCGV_I64(a4), GET_TCGV_I64(a5),
> -                GET_TCGV_I64(a6));
> +    tcg_gen_op6(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), tcgv_i64_arg(a4), tcgv_i64_arg(a5),
> +                tcgv_i64_arg(a6));
>  }
>  
>  static inline void tcg_gen_op6i_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                      TCGv_i32 a3, TCGv_i32 a4,
>                                      TCGv_i32 a5, TCGArg a6)
>  {
> -    tcg_gen_op6(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), GET_TCGV_I32(a4), GET_TCGV_I32(a5), a6);
> +    tcg_gen_op6(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), tcgv_i32_arg(a4), tcgv_i32_arg(a5), a6);
>  }
>  
>  static inline void tcg_gen_op6i_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                      TCGv_i64 a3, TCGv_i64 a4,
>                                      TCGv_i64 a5, TCGArg a6)
>  {
> -    tcg_gen_op6(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), GET_TCGV_I64(a4), GET_TCGV_I64(a5), a6);
> +    tcg_gen_op6(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), tcgv_i64_arg(a4), tcgv_i64_arg(a5), a6);
>  }
>  
>  static inline void tcg_gen_op6ii_i32(TCGOpcode opc, TCGv_i32 a1, TCGv_i32 a2,
>                                       TCGv_i32 a3, TCGv_i32 a4,
>                                       TCGArg a5, TCGArg a6)
>  {
> -    tcg_gen_op6(opc, GET_TCGV_I32(a1), GET_TCGV_I32(a2),
> -                GET_TCGV_I32(a3), GET_TCGV_I32(a4), a5, a6);
> +    tcg_gen_op6(opc, tcgv_i32_arg(a1), tcgv_i32_arg(a2),
> +                tcgv_i32_arg(a3), tcgv_i32_arg(a4), a5, a6);
>  }
>  
>  static inline void tcg_gen_op6ii_i64(TCGOpcode opc, TCGv_i64 a1, TCGv_i64 a2,
>                                       TCGv_i64 a3, TCGv_i64 a4,
>                                       TCGArg a5, TCGArg a6)
>  {
> -    tcg_gen_op6(opc, GET_TCGV_I64(a1), GET_TCGV_I64(a2),
> -                GET_TCGV_I64(a3), GET_TCGV_I64(a4), a5, a6);
> +    tcg_gen_op6(opc, tcgv_i64_arg(a1), tcgv_i64_arg(a2),
> +                tcgv_i64_arg(a3), tcgv_i64_arg(a4), a5, a6);
>  }
>  
>  
> diff --git a/tcg/tcg.h b/tcg/tcg.h
> index 0d61932301..fb8ce01664 100644
> --- a/tcg/tcg.h
> +++ b/tcg/tcg.h
> @@ -756,6 +756,36 @@ static inline size_t arg_index(TCGArg a)
>      return a;
>  }
>  
> +static inline TCGArg tcgv_i32_arg(TCGv_i32 t)
> +{
> +    return (intptr_t)t;
> +}
> +
> +static inline TCGArg tcgv_i64_arg(TCGv_i64 t)
> +{
> +    return (intptr_t)t;
> +}
> +
> +static inline TCGArg tcgv_ptr_arg(TCGv_ptr t)
> +{
> +    return (intptr_t)t;
> +}

very clean.

> +
> +static inline TCGTemp *tcgv_i32_temp(TCGv_i32 t)
> +{
> +    return arg_temp(tcgv_i32_arg(t));
> +}
> +
> +static inline TCGTemp *tcgv_i64_temp(TCGv_i64 t)
> +{
> +    return arg_temp(tcgv_i64_arg(t));
> +}
> +
> +static inline TCGTemp *tcgv_ptr_temp(TCGv_ptr t)
> +{
> +    return arg_temp(tcgv_ptr_arg(t));
> +}
> +
>  static inline void tcg_set_insn_param(int op_idx, int arg, TCGArg v)
>  {
>      tcg_ctx.gen_op_buf[op_idx].args[arg] = v;
> @@ -951,7 +981,7 @@ do {\
>  
>  bool tcg_op_supported(TCGOpcode op);
>  
> -void tcg_gen_callN(void *func, TCGArg ret, int nargs, TCGArg *args);
> +void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args);
>  
>  void tcg_op_remove(TCGContext *s, TCGOp *op);
>  TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, TCGOpcode opc, int 
> narg);
> diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
> index bff4b95097..be4b623e82 100644
> --- a/tcg/tcg-op.c
> +++ b/tcg/tcg-op.c
> @@ -2458,7 +2458,7 @@ void tcg_gen_extrl_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
>          tcg_gen_mov_i32(ret, TCGV_LOW(arg));
>      } else if (TCG_TARGET_HAS_extrl_i64_i32) {
>          tcg_gen_op2(INDEX_op_extrl_i64_i32,
> -                    GET_TCGV_I32(ret), GET_TCGV_I64(arg));
> +                    tcgv_i32_arg(ret), tcgv_i64_arg(arg));
>      } else {
>          tcg_gen_mov_i32(ret, MAKE_TCGV_I32(GET_TCGV_I64(arg)));
>      }
> @@ -2470,7 +2470,7 @@ void tcg_gen_extrh_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
>          tcg_gen_mov_i32(ret, TCGV_HIGH(arg));
>      } else if (TCG_TARGET_HAS_extrh_i64_i32) {
>          tcg_gen_op2(INDEX_op_extrh_i64_i32,
> -                    GET_TCGV_I32(ret), GET_TCGV_I64(arg));
> +                    tcgv_i32_arg(ret), tcgv_i64_arg(arg));
>      } else {
>          TCGv_i64 t = tcg_temp_new_i64();
>          tcg_gen_shri_i64(t, arg, 32);
> @@ -2486,7 +2486,7 @@ void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
>          tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
>      } else {
>          tcg_gen_op2(INDEX_op_extu_i32_i64,
> -                    GET_TCGV_I64(ret), GET_TCGV_I32(arg));
> +                    tcgv_i64_arg(ret), tcgv_i32_arg(arg));
>      }
>  }
>  
> @@ -2497,7 +2497,7 @@ void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
>          tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
>      } else {
>          tcg_gen_op2(INDEX_op_ext_i32_i64,
> -                    GET_TCGV_I64(ret), GET_TCGV_I32(arg));
> +                    tcgv_i64_arg(ret), tcgv_i32_arg(arg));
>      }
>  }
>  
> @@ -2563,7 +2563,7 @@ void tcg_gen_lookup_and_goto_ptr(void)
>      if (TCG_TARGET_HAS_goto_ptr && !qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
>          TCGv_ptr ptr = tcg_temp_new_ptr();
>          gen_helper_lookup_tb_ptr(ptr, tcg_ctx.tcg_env);
> -        tcg_gen_op1i(INDEX_op_goto_ptr, GET_TCGV_PTR(ptr));
> +        tcg_gen_op1i(INDEX_op_goto_ptr, tcgv_ptr_arg(ptr));
>          tcg_temp_free_ptr(ptr);
>      } else {
>          tcg_gen_exit_tb(0);
> @@ -2608,7 +2608,7 @@ static void gen_ldst_i32(TCGOpcode opc, TCGv_i32 val, 
> TCGv addr,
>      if (TCG_TARGET_REG_BITS == 32) {
>          tcg_gen_op4i_i32(opc, val, TCGV_LOW(addr), TCGV_HIGH(addr), oi);
>      } else {
> -        tcg_gen_op3(opc, GET_TCGV_I32(val), GET_TCGV_I64(addr), oi);
> +        tcg_gen_op3(opc, tcgv_i32_arg(val), tcgv_i64_arg(addr), oi);
>      }
>  #endif
>  }
> @@ -2621,7 +2621,7 @@ static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 val, 
> TCGv addr,
>      if (TCG_TARGET_REG_BITS == 32) {
>          tcg_gen_op4i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val), addr, oi);
>      } else {
> -        tcg_gen_op3(opc, GET_TCGV_I64(val), GET_TCGV_I32(addr), oi);
> +        tcg_gen_op3(opc, tcgv_i64_arg(val), tcgv_i32_arg(addr), oi);
>      }
>  #else
>      if (TCG_TARGET_REG_BITS == 32) {
> diff --git a/tcg/tcg.c b/tcg/tcg.c
> index dac3e06a5b..cb985aabdc 100644
> --- a/tcg/tcg.c
> +++ b/tcg/tcg.c
> @@ -974,7 +974,7 @@ bool tcg_op_supported(TCGOpcode op)
>  /* Note: we convert the 64 bit args to 32 bit and do some alignment
>     and endian swap. Maybe it would be better to do the alignment
>     and endian swap in tcg_reg_alloc_call(). */
> -void tcg_gen_callN(void *func, TCGArg ret, int nargs, TCGArg *args)
> +void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args)
>  {
>      TCGContext *s = &tcg_ctx;
>      int i, real_args, nb_rets, pi;
> @@ -993,7 +993,7 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>      int orig_sizemask = sizemask;
>      int orig_nargs = nargs;
>      TCGv_i64 retl, reth;
> -    TCGArg split_args[MAX_OPC_PARAM];
> +    TCGTemp *split_args[MAX_OPC_PARAM];
>  
>      TCGV_UNUSED_I64(retl);
>      TCGV_UNUSED_I64(reth);
> @@ -1001,12 +1001,12 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>          for (i = real_args = 0; i < nargs; ++i) {
>              int is_64bit = sizemask & (1 << (i+1)*2);
>              if (is_64bit) {
> -                TCGv_i64 orig = MAKE_TCGV_I64(args[i]);
> +                TCGv_i64 orig = MAKE_TCGV_I64(temp_idx(args[i]));
>                  TCGv_i32 h = tcg_temp_new_i32();
>                  TCGv_i32 l = tcg_temp_new_i32();
>                  tcg_gen_extr_i64_i32(l, h, orig);
> -                split_args[real_args++] = GET_TCGV_I32(h);
> -                split_args[real_args++] = GET_TCGV_I32(l);
> +                split_args[real_args++] = tcgv_i32_temp(h);
> +                split_args[real_args++] = tcgv_i32_temp(l);
>              } else {
>                  split_args[real_args++] = args[i];
>              }
> @@ -1021,13 +1021,13 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>          int is_signed = sizemask & (2 << (i+1)*2);
>          if (!is_64bit) {
>              TCGv_i64 temp = tcg_temp_new_i64();
> -            TCGv_i64 orig = MAKE_TCGV_I64(args[i]);
> +            TCGv_i64 orig = MAKE_TCGV_I64(temp_idx(args[i]));
>              if (is_signed) {
>                  tcg_gen_ext32s_i64(temp, orig);
>              } else {
>                  tcg_gen_ext32u_i64(temp, orig);
>              }
> -            args[i] = GET_TCGV_I64(temp);
> +            args[i] = tcgv_i64_temp(temp);
>          }
>      }
>  #endif /* TCG_TARGET_EXTEND_ARGS */
> @@ -1045,7 +1045,7 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>      op->next = i + 1;
>  
>      pi = 0;
> -    if (ret != TCG_CALL_DUMMY_ARG) {
> +    if (ret != NULL) {

yes

>  #if defined(__sparc__) && !defined(__arch64__) \
>      && !defined(CONFIG_TCG_INTERPRETER)
>          if (orig_sizemask & 1) {
> @@ -1054,25 +1054,25 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>                 two return temporaries, and reassemble below.  */
>              retl = tcg_temp_new_i64();
>              reth = tcg_temp_new_i64();
> -            op->args[pi++] = GET_TCGV_I64(reth);
> -            op->args[pi++] = GET_TCGV_I64(retl);
> +            op->args[pi++] = tcgv_i64_arg(reth);
> +            op->args[pi++] = tcgv_i64_arg(retl);
>              nb_rets = 2;
>          } else {
> -            op->args[pi++] = ret;
> +            op->args[pi++] = temp_arg(ret);
>              nb_rets = 1;
>          }
>  #else
>          if (TCG_TARGET_REG_BITS < 64 && (sizemask & 1)) {
>  #ifdef HOST_WORDS_BIGENDIAN
> -            op->args[pi++] = ret + 1;
> -            op->args[pi++] = ret;
> +            op->args[pi++] = temp_arg(ret + 1);
> +            op->args[pi++] = temp_arg(ret);

ok

>  #else
> -            op->args[pi++] = ret;
> -            op->args[pi++] = ret + 1;
> +            op->args[pi++] = temp_arg(ret);
> +            op->args[pi++] = temp_arg(ret + 1);
>  #endif
>              nb_rets = 2;
>          } else {
> -            op->args[pi++] = ret;
> +            op->args[pi++] = temp_arg(ret);
>              nb_rets = 1;
>          }
>  #endif
> @@ -1103,17 +1103,17 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>                have to get more complicated to differentiate between
>                stack arguments and register arguments.  */
>  #if defined(HOST_WORDS_BIGENDIAN) != defined(TCG_TARGET_STACK_GROWSUP)
> -            op->args[pi++] = args[i] + 1;
> -            op->args[pi++] = args[i];
> +            op->args[pi++] = temp_arg(args[i] + 1);
> +            op->args[pi++] = temp_arg(args[i]);
>  #else
> -            op->args[pi++] = args[i];
> -            op->args[pi++] = args[i] + 1;
> +            op->args[pi++] = temp_arg(args[i]);
> +            op->args[pi++] = temp_arg(args[i] + 1);
>  #endif
>              real_args += 2;
>              continue;
>          }
>  
> -        op->args[pi++] = args[i];
> +        op->args[pi++] = temp_arg(args[i]);
>          real_args++;
>      }
>      op->args[pi++] = (uintptr_t)func;
> @@ -1130,8 +1130,8 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>      for (i = real_args = 0; i < orig_nargs; ++i) {
>          int is_64bit = orig_sizemask & (1 << (i+1)*2);
>          if (is_64bit) {
> -            TCGv_i32 h = MAKE_TCGV_I32(args[real_args++]);
> -            TCGv_i32 l = MAKE_TCGV_I32(args[real_args++]);
> +            TCGv_i32 h = MAKE_TCGV_I32(temp_idx(args[real_args++]));
> +            TCGv_i32 l = MAKE_TCGV_I32(temp_idx(args[real_args++]));
>              tcg_temp_free_i32(h);
>              tcg_temp_free_i32(l);
>          } else {
> @@ -1142,7 +1142,7 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>          /* The 32-bit ABI returned two 32-bit pieces.  Re-assemble them.
>             Note that describing these as TCGv_i64 eliminates an unnecessary
>             zero-extension that tcg_gen_concat_i32_i64 would create.  */
> -        tcg_gen_concat32_i64(MAKE_TCGV_I64(ret), retl, reth);
> +        tcg_gen_concat32_i64(MAKE_TCGV_I64(temp_idx(ret)), retl, reth);
>          tcg_temp_free_i64(retl);
>          tcg_temp_free_i64(reth);
>      }
> @@ -1150,7 +1150,7 @@ void tcg_gen_callN(void *func, TCGArg ret, int nargs, 
> TCGArg *args)
>      for (i = 0; i < nargs; ++i) {
>          int is_64bit = sizemask & (1 << (i+1)*2);
>          if (!is_64bit) {
> -            TCGv_i64 temp = MAKE_TCGV_I64(args[i]);
> +            TCGv_i64 temp = MAKE_TCGV_I64(temp_idx(args[i]));
>              tcg_temp_free_i64(temp);
>          }
>      }
> 

Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>

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