anv: Mark max_push_range UNUSED and simplify the code

The compiler should be smart enough to figure out that it's unused on
Gen11 and earlier and delete the code which calculates.  Us adding an
`if (GEN_GEN >= 12)` check is unnecessary and just dirties the code.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3777>

diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 22d4f79..122bc9a 100644 (file)
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -3092,7 +3092,7 @@ cmd_buffer_flush_push_constants(struct anv_cmd_buffer *cmd_buffer,
    anv_foreach_stage(stage, dirty_stages) {
       unsigned buffer_count = 0;
       flushed |= mesa_to_vk_shader_stage(stage);
-      uint32_t max_push_range = 0;
+      UNUSED uint32_t max_push_range = 0;
 
       if (anv_pipeline_has_stage(pipeline, stage)) {
          const struct anv_pipeline_bind_map *bind_map =
@@ -3102,8 +3102,7 @@ cmd_buffer_flush_push_constants(struct anv_cmd_buffer *cmd_buffer,
             const struct anv_push_range *range = &bind_map->push_ranges[i];
             if (range->length > 0) {
                buffer_count++;
-               if (GEN_GEN >= 12 && range->length > max_push_range)
-                  max_push_range = range->length;
+               max_push_range = MAX2(max_push_range, range->length);
             }
          }
       }