pan/mdg: Add a bundle ID to instructions

So that it is possible to check if two instructions were scheduled
into the same bundle.

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11212>

src/panfrost/midgard/compiler.h

@@ -183,6 +183,8 @@ typedef struct midgard_instruction {
 
                 midgard_branch branch;
         };
+
+        unsigned bundle_id;
 } midgard_instruction;
 
 typedef struct midgard_block {

src/panfrost/midgard/midgard_schedule.c

@@ -1464,6 +1464,10 @@ schedule_block(compiler_context *ctx, midgard_block *block)
                 else
                         break;
 
+                for (unsigned i = 0; i < bundle.instruction_count; ++i)
+                        bundle.instructions[i]->bundle_id =
+                                ctx->quadword_count + block->quadword_count;
+
                 util_dynarray_append(&bundles, midgard_bundle, bundle);
                 block->quadword_count += midgard_tag_props[bundle.tag].size;
         }