On Mon, Oct 28, 2013 at 11:08 PM, Eric Anholt wrote:
> Matt Turner writes:
>
>> Since compare instructions write the flag register, they should not be
>> considered dead even if their destination is never read. Instead of
>> removing them if found to be dead, set their destination to null to free
Matt Turner writes:
> Since compare instructions write the flag register, they should not be
> considered dead even if their destination is never read. Instead of
> removing them if found to be dead, set their destination to null to free
> a register.
>
> ---
> src/mesa/drivers/dri/i965/brw_fs.c
Since compare instructions write the flag register, they should not be
considered dead even if their destination is never read. Instead of
removing them if found to be dead, set their destination to null to free
a register.
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 6 --
1 file changed, 4 ins