PRE_GCC3_DWARF_FRAME_REGISTERS

[Aldy Hernandez]

On 03/19/12 12:28, David Edelsohn wrote:
> On Wed, Mar 14, 2012 at 10:08 AM, Steven Bosscher<stevenb.gcc@gmail.com>  wrote:
>> Hello,
>>
>> The rs6000 and cr16 backends and unwinding code have a define for the
>> DWARF frame register for pre-GCC3 compatibility
>> (PRE_GCC3_DWARF_FRAME_REGISTERS):
>>
>> gcc/doc/tm.texi.in:@defmac PRE_GCC3_DWARF_FRAME_REGISTERS
>> gcc/doc/tm.texi:@defmac PRE_GCC3_DWARF_FRAME_REGISTERS
>> gcc/config/rs6000/rs6000.h:#define PRE_GCC3_DWARF_FRAME_REGISTERS 77
>
>> Is this compatibility still needed for rs6000, or can all the
>> PRE_GCC3_DWARF_FRAME_REGISTERS stuff be cleaned up?
>
> I do not see any reason that compatibility with pre-GCC3 still should
> be necessary.  The code was added by RTH and Aldy in 2001, so I want
> to make sure they are not aware of any remaining dependency.
>
> Thanks, David

I'm not aware of any.