GCOV: Print one decimal place in human readable mode.

2018-09-05  Martin Liska  <mliska@suse.cz>

	* doc/gcov.texi: Update documentation of humar
	readable mode.
	* gcov.c (format_count): Print one decimal place, it provides
	more fine number of situations like '1G' vs. '1.4G'.
2018-09-05  Martin Liska  <mliska@suse.cz>

	* g++.dg/gcov/loop.C: Update test to support new format.

From-SVN: r264112

1 files changed, 2 insertions, 2 deletions

diff --git a/gcc/gcov.c b/gcc/gcov.c
index ff4020c..6a24a32 100644
--- a/gcc/gcov.c
+++ b/gcc/gcov.c
@@ -2216,8 +2216,8 @@ format_count (gcov_type count)
       if (count + divisor / 2 < 1000 * divisor)
 	break;
     }
-  gcov_type r  = (count + divisor / 2) / divisor;
-  sprintf (buffer, "%" PRId64 "%c", r, units[i]);
+  float r = 1.0f * count / divisor;
+  sprintf (buffer, "%.1f%c", r, units[i]);
   return buffer;
 }