iris: Use gen_disassemble

This one doesn't require the program size and so it won't mess up if we
have a bunch of constant data at the end.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6244>
diff --git a/src/gallium/drivers/iris/iris_program_cache.c b/src/gallium/drivers/iris/iris_program_cache.c
index c29802d..5bee13f 100644
--- a/src/gallium/drivers/iris/iris_program_cache.c
+++ b/src/gallium/drivers/iris/iris_program_cache.c
@@ -38,6 +38,7 @@
 #include "util/u_upload_mgr.h"
 #include "compiler/nir/nir.h"
 #include "compiler/nir/nir_builder.h"
+#include "intel/common/gen_disasm.h"
 #include "intel/compiler/brw_compiler.h"
 #include "intel/compiler/brw_eu.h"
 #include "intel/compiler/brw_nir.h"
@@ -365,7 +366,6 @@
       const struct keybox *keybox = entry->key;
       struct iris_compiled_shader *shader = entry->data;
       fprintf(stderr, "%s:\n", cache_name(keybox->cache_id));
-      brw_disassemble_with_labels(devinfo, shader->map, 0,
-                                  shader->prog_data->program_size, stderr);
+      gen_disassemble(devinfo, shader->map, 0, stderr);
    }
 }