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diff gcc/testsuite/gcc.dg/predict-17.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/predict-17.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
+
+extern int global;
+
+void foo (int base)
+{
+  for (int i = 0; __builtin_expect_with_probability (i < base, 1, 0.05f); i++)
+    global++;
+}
+
+/* { dg-final { scan-tree-dump "first match heuristics: 5.00%" "profile_estimate"} } */
+/* { dg-final { scan-tree-dump "__builtin_expect_with_probability heuristics of edge .*->.*: 5.00%" "profile_estimate"} } */