Fix setting of hotness in non-LTO mode (PR gcov-profile/77698).

2018-11-05  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/77698
	* ipa-profile.c (ipa_profile): Adjust hotness threshold
	only in LTO mode.
2018-11-05  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/77698
	* gcc.dg/tree-prof/pr77698.c: New test.

From-SVN: r265784

gcc/ChangeLog

+2018-11-05  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/77698
+	* ipa-profile.c (ipa_profile): Adjust hotness threshold
+	only in LTO mode.
+
 2018-11-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	PR tree-optimization/86572

gcc/ipa-profile.c

@@ -533,11 +533,10 @@ ipa_profile (void)
 		   cumulated_size * 100.0 / overall_size);
 	}
 
-      if (threshold > get_hot_bb_threshold ()
-	  || in_lto_p)
+      if (in_lto_p)
 	{
 	  if (dump_file)
-	    fprintf (dump_file, "Threshold updated.\n");
+	    fprintf (dump_file, "Setting hotness threshold in LTO mode.\n");
           set_hot_bb_threshold (threshold);
 	}
     }

gcc/testsuite/ChangeLog

+2018-11-05  Martin Liska  <mliska@suse.cz>
+
+	PR gcov-profile/77698
+	* gcc.dg/tree-prof/pr77698.c: New test.
+
 2018-11-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	PR tree-optimization/86572

gcc/testsuite/gcc.dg/tree-prof/pr77698.c

+/* { dg-options "-O2 -fno-tree-vectorize -funroll-loops --param max-unroll-times=4 -fno-inline -fdump-rtl-alignments" } */
+
+volatile long int g;
+volatile long int j = 0;
+
+void foo(long int *a, long int *b, long int n)
+{
+  long int i;
+
+  for (i = 0; i < n; i++)
+    a[j] = *b;
+}
+
+long int a, b;
+int main()
+{
+  a = 1; b = 2;
+  foo(&a, &b, 1000000);
+  g = a+b;
+  return 0;
+}
+
+/* { dg-final-use-not-autofdo { scan-rtl-dump-times "internal loop alignment added" 1 "alignments"} } */