Generalize get_most_common_single_value to return n_th value & count

[gcc.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
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@@ -1,3 +1,20 @@
+2019-07-25  Xiong Hu Luo  <luoxhu@linux.ibm.com>
+
+       * ipa-profile.c (get_most_common_single_value): Use
+       get_nth_most_common_value.
+       * profile.c (sort_hist_value): New function.
+       (compute_value_histograms): Call sort_hist_value to sort the
+       values after loading from disk.
+       * value-prof.c (get_most_common_single_value): Rename to ...
+       get_nth_most_common_value.  Add input params n, return
+       the n_th value and count.
+       (gimple_divmod_fixed_value_transform): Use
+       get_nth_most_common_value.
+       (gimple_ic_transform): Likewise.
+       (gimple_stringops_transform): Likewise.
+       * value-prof.h (get_most_common_single_value): Add input params
+       n, default to 0.
+
 2019-07-25  Richard Biener  <rguenther@suse.de>
 
        PR tree-optimization/91236