Re: [PATCH] Fix seq_cost prototype to use signed int

[Jeff Law]

On 09/08/2015 06:17 AM, Jiong Wang wrote:

All other cost helper functions are using signed int to hold cost
while seq_cost is using unsigned int.

This fix this. bootstrap OK on x86.

OK for trunk?

2015-09-08  Jiong Wang  <jiong.w...@arm.com>

gcc/
   * rtl.h (seq_cost): Change return type from "unsigned" to "int".
   * rtlanal.c (seq_cost): Likewise.
Why not go the other way and start making things unsigned -- for a cost 
function like this, unsigned seems more natural to me.

jeff