[Mesa-dev] [PATCH 1/6] i965/fs: Make the register allocation class_sizes choice static.
eric at anholt.net
Thu Oct 4 12:52:42 PDT 2012
Kenneth Graunke <kenneth at whitecape.org> writes:
> On 10/02/2012 07:52 PM, Eric Anholt wrote:
>> Based on split_virtual_grfs(), we choose the same set every time, so set it in
>> stone. This will help us avoid regenerating the somewhat expensive
>> class/register set setup every compile.
>> src/mesa/drivers/dri/i965/brw_fs.h | 1 +
>> src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp | 101 +++++++++------------
>> 2 files changed, 42 insertions(+), 60 deletions(-)
> Hmm. I guess we don't have SEND from GRFs expressed at the visitor
> level...only a couple of instances at the generate_code level. And
> those don't use more than 4 payload registers.
> In that case, this seems reasonable.
Yeah, if we need bigger vgrfs (like the branch I have laying around),
then I think we'll just statically add those other sizes. They're small
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 197 bytes
Desc: not available
More information about the mesa-dev