[PATCH] enhance register parsing in .cfi_* handling

[H.J. Lu]

On Mon, Feb 11, 2008 at 10:51:34AM +0000, Jan Beulich wrote:
> --- 2008-02-11/opcodes/i386-opc.h	2008-02-11 08:33:30.000000000 +0100
> +++ 2008-02-11/opcodes/i386-opc.h	2008-02-11 10:27:10.000000000 +0100
> @@ -489,15 +489,16 @@ typedef struct
>  {
>    char *reg_name;
>    i386_operand_type reg_type;
> -  unsigned int reg_flags;
> +  unsigned char reg_flags;
>  #define RegRex	    0x1  /* Extended register.  */
>  #define RegRex64    0x2  /* Extended 8 bit register.  */
> -  unsigned int reg_num;
> -#define RegRip	((unsigned int ) ~0)
> +  unsigned char reg_num;
> +#define RegRip	((unsigned char ) ~0)
>  #define RegEip	(RegRip - 1)
>  /* EIZ and RIZ are fake index registers.  */
>  #define RegEiz	(RegEip - 1)
>  #define RegRiz	(RegEiz - 1)
> +  signed char dw2_regnum[2];
>  }
>  reg_entry;
>  

Do we really need to save a few bytes here? Can we use int instead
char?


H.J.