Re: [Qemu-devel] [PATCH 16/18] tcg-i386: Use intptr_t appropriately

[Aurelien Jarno <aurelien@aurel32.net>]

On Thu, Aug 22, 2013 at 09:58:47AM -0700, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <rth@twiddle.net>
> ---
>  tcg/i386/tcg-target.c | 38 ++++++++++++++++++--------------------
>  1 file changed, 18 insertions(+), 20 deletions(-)
> 
> diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
> index b1e4e5b..f3083b8 100644
> --- a/tcg/i386/tcg-target.c
> +++ b/tcg/i386/tcg-target.c
> @@ -430,8 +430,7 @@ static void tcg_out_modrm(TCGContext *s, int opc, int r, int rm)
>     that will follow the instruction.  */
>  
>  static void tcg_out_modrm_sib_offset(TCGContext *s, int opc, int r, int rm,
> -                                     int index, int shift,
> -                                     tcg_target_long offset)
> +                                     int index, int shift, intptr_t offset)
>  {
>      int mod, len;
>  
> @@ -439,8 +438,8 @@ static void tcg_out_modrm_sib_offset(TCGContext *s, int opc, int r, int rm,
>          if (TCG_TARGET_REG_BITS == 64) {
>              /* Try for a rip-relative addressing mode.  This has replaced
>                 the 32-bit-mode absolute addressing encoding.  */
> -            tcg_target_long pc = (tcg_target_long)s->code_ptr + 5 + ~rm;
> -            tcg_target_long disp = offset - pc;
> +            intptr_t pc = (intptr_t)s->code_ptr + 5 + ~rm;
> +            intptr_t disp = offset - pc;
>              if (disp == (int32_t)disp) {
>                  tcg_out_opc(s, opc, r, 0, 0);
>                  tcg_out8(s, (LOWREGMASK(r) << 3) | 5);
> @@ -514,7 +513,7 @@ static void tcg_out_modrm_sib_offset(TCGContext *s, int opc, int r, int rm,
>  
>  /* A simplification of the above with no index or shift.  */
>  static inline void tcg_out_modrm_offset(TCGContext *s, int opc, int r,
> -                                        int rm, tcg_target_long offset)
> +                                        int rm, intptr_t offset)
>  {
>      tcg_out_modrm_sib_offset(s, opc, r, rm, -1, 0, offset);
>  }
> @@ -735,7 +734,7 @@ static void tcg_out_jxx(TCGContext *s, int opc, int label_index, int small)
>      TCGLabel *l = &s->labels[label_index];
>  
>      if (l->has_value) {
> -        val = l->u.value - (tcg_target_long)s->code_ptr;
> +        val = l->u.value - (intptr_t)s->code_ptr;
>          val1 = val - 2;
>          if ((int8_t)val1 == val1) {
>              if (opc == -1) {
> @@ -975,9 +974,9 @@ static void tcg_out_movcond64(TCGContext *s, TCGCond cond, TCGArg dest,
>  }
>  #endif
>  
> -static void tcg_out_branch(TCGContext *s, int call, tcg_target_long dest)
> +static void tcg_out_branch(TCGContext *s, int call, uintptr_t dest)
>  {
> -    tcg_target_long disp = dest - (tcg_target_long)s->code_ptr - 5;
> +    intptr_t disp = dest - (intptr_t)s->code_ptr - 5;
>  
>      if (disp == (int32_t)disp) {
>          tcg_out_opc(s, call ? OPC_CALL_Jz : OPC_JMP_long, 0, 0, 0);
> @@ -989,12 +988,12 @@ static void tcg_out_branch(TCGContext *s, int call, tcg_target_long dest)
>      }
>  }
>  
> -static inline void tcg_out_calli(TCGContext *s, tcg_target_long dest)
> +static inline void tcg_out_calli(TCGContext *s, uintptr_t dest)
>  {
>      tcg_out_branch(s, 1, dest);
>  }
>  
> -static void tcg_out_jmp(TCGContext *s, tcg_target_long dest)
> +static void tcg_out_jmp(TCGContext *s, uintptr_t dest)
>  {
>      tcg_out_branch(s, 0, dest);
>  }
> @@ -1130,8 +1129,7 @@ static inline void setup_guest_base_seg(void) { }
>  #endif /* SOFTMMU */
>  
>  static void tcg_out_qemu_ld_direct(TCGContext *s, int datalo, int datahi,
> -                                   int base, tcg_target_long ofs, int seg,
> -                                   int sizeop)
> +                                   int base, intptr_t ofs, int seg, int sizeop)
>  {
>  #ifdef TARGET_WORDS_BIGENDIAN
>      const int bswap = 1;
> @@ -1281,7 +1279,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args,
>  }
>  
>  static void tcg_out_qemu_st_direct(TCGContext *s, int datalo, int datahi,
> -                                   int base, tcg_target_long ofs, int seg,
> +                                   int base, intptr_t ofs, int seg,
>                                     int sizeop)
>  {
>  #ifdef TARGET_WORDS_BIGENDIAN
> @@ -1499,7 +1497,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *label)
>         jmp next_code : jump to the code corresponding to next IR of qemu_ld/st
>      */
>  
> -    tcg_out_calli(s, (tcg_target_long)qemu_ld_helpers[s_bits]);
> +    tcg_out_calli(s, (uintptr_t)qemu_ld_helpers[s_bits]);
>  
>      /* Jump to post-processing code */
>      tcg_out8(s, OPC_JMP_short);
> @@ -1556,7 +1554,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *label)
>      }
>  
>      /* Jump to the code corresponding to next IR of qemu_st */
> -    tcg_out_jmp(s, (tcg_target_long)raddr);
> +    tcg_out_jmp(s, (uintptr_t)raddr);
>  }
>  
>  /*
> @@ -1621,7 +1619,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *label)
>         jmp next_code : jump to the code corresponding to next IR of qemu_ld/st
>      */
>  
> -    tcg_out_calli(s, (tcg_target_long)qemu_st_helpers[s_bits]);
> +    tcg_out_calli(s, (uintptr_t)qemu_st_helpers[s_bits]);
>  
>      /* Jump to post-processing code */
>      tcg_out8(s, OPC_JMP_short);
> @@ -1639,7 +1637,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *label)
>      }
>  
>      /* Jump to the code corresponding to next IR of qemu_st */
> -    tcg_out_jmp(s, (tcg_target_long)raddr);
> +    tcg_out_jmp(s, (uintptr_t)raddr);
>  }
>  
>  /*
> @@ -1680,7 +1678,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
>      switch(opc) {
>      case INDEX_op_exit_tb:
>          tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_EAX, args[0]);
> -        tcg_out_jmp(s, (tcg_target_long) tb_ret_addr);
> +        tcg_out_jmp(s, (uintptr_t)tb_ret_addr);
>          break;
>      case INDEX_op_goto_tb:
>          if (s->tb_jmp_offset) {
> @@ -1691,7 +1689,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
>          } else {
>              /* indirect jump method */
>              tcg_out_modrm_offset(s, OPC_GRP5, EXT5_JMPN_Ev, -1,
> -                                 (tcg_target_long)(s->tb_next + args[0]));
> +                                 (intptr_t)(s->tb_next + args[0]));
>          }
>          s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
>          break;
> @@ -2384,7 +2382,7 @@ static DebugFrame debug_frame = {
>  #if defined(ELF_HOST_MACHINE)
>  void tcg_register_jit(void *buf, size_t buf_size)
>  {
> -    debug_frame.fde.func_start = (tcg_target_long) buf;
> +    debug_frame.fde.func_start = (uintptr_t)buf;
>      debug_frame.fde.func_len = buf_size;
>  
>      tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame));

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
 

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net