pan/bi: Add BI_SUBGROUP_SUBGROUP16 option

Valhall uses 16-wide warps.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15204>

diff --git a/src/panfrost/bifrost/ISA.xml b/src/panfrost/bifrost/ISA.xml
index 39f3c2e..8c930aa 100644 (file)
--- a/src/panfrost/bifrost/ISA.xml
+++ b/src/panfrost/bifrost/ISA.xml
@@ -3710,6 +3710,7 @@
       <opt>subgroup2</opt>
       <opt>subgroup4</opt>
       <opt>subgroup8</opt>
+      <opt pseudo="true">subgroup16</opt> <!-- Only on Valhall -->
     </mod>
     <mod name="inactive_result" start="10" size="4">
       <opt>zero</opt>