[patch] e500 port

[Aldy Hernandez]

On Wed, Jul 24, 2002 at 04:11:40PM -0400, David Edelsohn wrote:
> >>>>> Aldy Hernandez writes:
> 
> Aldy> Not a problem.  We could do the same thing as we've done for
> Aldy> DEFAULT_ABI.  Declare rs6000_fprs to be an enum.  #define TARGET_FPRS
> Aldy> to a known value in the individual system .h files.  And define
> Aldy> TARGET_FPRS to rs6000_fprs if the macro is not defined.
> 
> Aldy> I can do this if you want.
> 
> 	I don't think that TARGET_SPRS needs to be an enum, just 0 (FALSE)
> or rs6000_fprs.

Ok

> 	Then it seems that rs6000.h should define
> 
> + #define TARGET_SPE_ABI 0
> + #define TARGET_SPE 0
> + #define TARGET_ISEL 0
> + #define TARGET_FPRS 0
> 
> and only rs6000/eabi.h and rs6000/eabisim.h should define
> 
> + #define TARGET_SPE_ABI rs6000_spe_abi
> + #define TARGET_SPE (rs6000_cpu == PROCESSOR_PPC8540)
> + #define TARGET_ISEL rs6000_isel
> + #define TARGET_FPRS rs6000_fprs

Fair enough.

> 	Is there a reason that you want to define TARGET_8540 and only use
> it to set TARGET_SPE instead of defining TARGET_SPE directly?

Nope.  Originally I thought TARGET_8540 could be use for other things
(scheduling, perhaps?).  But we can get rid of it.

Aldy