Mercurial > hg > truffle

diff src/share/vm/ci/ciCallProfile.hpp @ 3905:c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency Reviewed-by: twisti, roland, kvn, iveresov
author: never
date: Fri, 02 Sep 2011 20:58:21 -0700
parents: f918d6096e23
children: 04b9a2566eec
--- a/src/share/vm/ci/ciCallProfile.hpp	Fri Sep 02 04:28:59 2011 -0700
+++ b/src/share/vm/ci/ciCallProfile.hpp	Fri Sep 02 20:58:21 2011 -0700
@@ -79,6 +79,17 @@
     assert(i < _limit, "out of Call Profile MorphismLimit");
     return _receiver[i];
   }
+
+  // Rescale the current profile based on the incoming scale
+  ciCallProfile rescale(double scale) {
+    assert(scale >= 0 && scale <= 1.0, "out of range");
+    ciCallProfile call = *this;
+    call._count = (int)(call._count * scale);
+    for (int i = 0; i < _morphism; i++) {
+      call._receiver_count[i] = (int)(call._receiver_count[i] * scale);
+    }
+    return call;
+  }
 };
 
 #endif // SHARE_VM_CI_CICALLPROFILE_HPP