--- a/gcc/gcov-io.h	Thu Oct 25 07:37:49 2018 +0900
+++ b/gcc/gcov-io.h	Thu Feb 13 11:34:05 2020 +0900
@@ -1,5 +1,5 @@
 /* File format for coverage information
-   Copyright (C) 1996-2018 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    Contributed by Bob Manson <manson@cygnus.com>.
    Completely remangled by Nathan Sidwell <nathan@codesourcery.com>.
 
@@ -266,11 +266,11 @@
 #define GCOV_N_VALUE_COUNTERS \
   (GCOV_LAST_VALUE_COUNTER - GCOV_FIRST_VALUE_COUNTER + 1)
 
-/* The number of hottest callees to be tracked.  */
-#define GCOV_ICALL_TOPN_VAL  2
+/* Number of top N value histogram.  */
+#define GCOV_TOPN_VALUES 4
 
-/* The number of counter entries per icall callsite.  */
-#define GCOV_ICALL_TOPN_NCOUNTS (1 + GCOV_ICALL_TOPN_VAL * 4)
+/* Total number of single value counters.  */
+#define GCOV_TOPN_VALUES_COUNTERS (2 * GCOV_TOPN_VALUES + 1)
 
 /* Convert a counter index to a tag.  */
 #define GCOV_TAG_FOR_COUNTER(COUNT)				\