Imported Upstream version 4.8.1

[platform/upstream/gcc48.git] / gcc / predict.def

diff --git a/gcc/predict.def b/gcc/predict.def
index 4b3e87a..0006233 100644 (file)
--- a/gcc/predict.def
+++ b/gcc/predict.def
@@ -1,5 +1,5 @@
 /* Definitions for the branch prediction routines in the GNU compiler.
-   Copyright (C) 2001, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2001-2013 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -116,3 +116,20 @@ DEF_PREDICTOR (PRED_NULL_RETURN, "null return", HITRATE (90), 0)
 
 /* Branches to a mudflap bounds check are extremely unlikely.  */
 DEF_PREDICTOR (PRED_MUDFLAP, "mudflap check", PROB_VERY_LIKELY, 0)
+
+/* Branches to compare induction variable to a loop bound is
+   extremely likely.  */
+DEF_PREDICTOR (PRED_LOOP_IV_COMPARE_GUESS, "guess loop iv compare",
+              PROB_VERY_LIKELY, 0)
+
+/* Use number of loop iterations determined by # of iterations analysis
+   to set probability of branches that compares IV to loop bound variable.  */
+DEF_PREDICTOR (PRED_LOOP_IV_COMPARE, "loop iv compare", PROB_VERY_LIKELY,
+              PRED_FLAG_FIRST_MATCH)
+
+/* Branches to hot labels are likely.  */
+DEF_PREDICTOR (PRED_HOT_LABEL, "hot label", HITRATE (85), 0)
+
+/* Branches to cold labels are extremely unlikely.  */
+DEF_PREDICTOR (PRED_COLD_LABEL, "cold label", PROB_VERY_LIKELY,
+              PRED_FLAG_FIRST_MATCH)