[PATCH] Add a comment for the ARM_F{0..7}_REGNUM registers

[Luis Machado]

On 2/10/20 8:35 PM, Christian Biesinger via gdb-patches wrote:
> These are for the obsolete FPA architecture.
> 
> gdb/ChangeLog:
> 
> 2020-02-10  Christian Biesinger  <cbiesinger@google.com>
> 
> 	* arch/arm.h (enum gdb_regnum): Add comment for the FP0..7
> 	registers.
> 
> Change-Id: I6920616318ee637493d4ca12b91fa2ebcd103d76
> ---
>   gdb/arch/arm.h | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/gdb/arch/arm.h b/gdb/arch/arm.h
> index 13f030af82..2d9e87eb42 100644
> --- a/gdb/arch/arm.h
> +++ b/gdb/arch/arm.h
> @@ -31,6 +31,7 @@ enum gdb_regnum {
>     ARM_SP_REGNUM = 13,		/* Contains address of top of stack */
>     ARM_LR_REGNUM = 14,		/* address to return to from a function call */
>     ARM_PC_REGNUM = 15,		/* Contains program counter */
> +  /* F0..F7 are the fp registers for the (obsolete) FPA architecture.  */
>     ARM_F0_REGNUM = 16,		/* first floating point register */
>     ARM_F3_REGNUM = 19,		/* last floating point argument register */
>     ARM_F7_REGNUM = 23, 		/* last floating point register */
> 

This looks obvious enough. cc-ed Alan in case he has any thoughts.