pan/bi: Pass flow_control through directly

More than just a single bool!

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7081>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 788aaaa..6b81d85 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -395,11 +395,8 @@
         unsigned scoreboard_id;
         uint8_t dependencies;
 
-        /* Back-to-back corresponds directly to the back-to-back bit. Branch
-         * conditional corresponds to the branch conditional bit except that in
-         * the emitted code it's always set if back-to-bit is, whereas we use
-         * the actual value (without back-to-back so to speak) internally */
-        bool back_to_back;
+        /* See ISA header for description */
+        enum bifrost_flow flow_control;
 
         /* Can we prefetch the next clause? Usually it makes sense, except for
          * clauses ending in unconditional branches */