[Mesa-dev] [PATCH 5/6] i965/fs: do pack lowering before simd splitting

[Francisco Jerez]

Samuel Iglesias Gonsálvez <siglesias at igalia.com> writes:

> From: Iago Toral Quiroga <itoral at igalia.com>
>
> So that we can have gen7 split large writes produced by the pack lowering.

Reviewed-by: Francisco Jerez <currojerez at riseup.net>

> ---
>  src/mesa/drivers/dri/i965/brw_fs.cpp | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
> index caf88d1..0d4eb51 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
> @@ -5830,6 +5830,11 @@ fs_visitor::optimize()
>     progress = false;
>     pass_num = 0;
>  
> +   if (OPT(lower_pack)) {
> +      OPT(register_coalesce);
> +      OPT(dead_code_eliminate);
> +   }
> +
>     OPT(lower_simd_width);
>  
>     /* After SIMD lowering just in case we had to unroll the EOT send. */
> @@ -5866,11 +5871,6 @@ fs_visitor::optimize()
>        OPT(dead_code_eliminate);
>     }
>  
> -   if (OPT(lower_pack)) {
> -      OPT(register_coalesce);
> -      OPT(dead_code_eliminate);
> -   }
> -
>     if (OPT(lower_d2x)) {
>        OPT(opt_copy_propagate);
>        OPT(dead_code_eliminate);
> -- 
> 2.7.4
>
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