intel: Annotate debug printout checks with unlikely().

This provides the optimizer with hints about code hotness, which we're
quite certain about for debug printouts (or, rather, while we
developers often hit the checks for debug printouts, we don't care
about performance while doing so).

1 files changed, 4 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 2ed59d3f5d..3caddae4a1 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -3129,7 +3129,7 @@ fs_visitor::generate_code()
    const char *last_annotation_string = NULL;
    ir_instruction *last_annotation_ir = NULL;
 
-   if (INTEL_DEBUG & DEBUG_WM) {
+   if (unlikely(INTEL_DEBUG & DEBUG_WM)) {
       printf("Native code for fragment shader %d:\n",
 	     ctx->Shader.CurrentFragmentProgram->Name);
    }
@@ -3141,7 +3141,7 @@ fs_visitor::generate_code()
       fs_inst *inst = (fs_inst *)iter.get();
       struct brw_reg src[3], dst;
 
-      if (INTEL_DEBUG & DEBUG_WM) {
+      if (unlikely(INTEL_DEBUG & DEBUG_WM)) {
 	 if (last_annotation_ir != inst->ir) {
 	    last_annotation_ir = inst->ir;
 	    if (last_annotation_ir) {
@@ -3335,7 +3335,7 @@ fs_visitor::generate_code()
 	 this->fail = true;
       }
 
-      if (INTEL_DEBUG & DEBUG_WM) {
+      if (unlikely(INTEL_DEBUG & DEBUG_WM)) {
 	 for (unsigned int i = last_native_inst; i < p->nr_insn; i++) {
 	    if (0) {
 	       printf("0x%08x 0x%08x 0x%08x 0x%08x ",
@@ -3376,7 +3376,7 @@ brw_wm_fs_emit(struct brw_context *brw, struct brw_wm_compile *c)
     */
    c->dispatch_width = 8;
 
-   if (INTEL_DEBUG & DEBUG_WM) {
+   if (unlikely(INTEL_DEBUG & DEBUG_WM)) {
       printf("GLSL IR for native fragment shader %d:\n", prog->Name);
       _mesa_print_ir(shader->ir, NULL);
       printf("\n");