commit 8d728324571b720a952b297787eed70c7a1d1acb
author Nicolas Geoffray <ngeoffray@google.com> Thu Jan 18 22:44:32 2018 +0000
committer Nicolas Geoffray <ngeoffray@google.com> Mon Jan 29 09:34:05 2018 +0000
tree f24a774aa56c236f2f756b1b439e4c61830bec56
parent 0530796b73d0a33a5df27e3a7765c0835994769a

Add compiler option for counting hotness in compiled code.

For eventually easier profiling of boot classpath and
system server.

bug: 30934496
Test: 674-hotness-compiled

Change-Id: I0f63c644527b74f6ef2649f481c2a1c731bb9f21

compiler/optimizing/code_generator_mips64.cc

diff --git a/compiler/optimizing/code_generator_mips64.cc b/compiler/optimizing/code_generator_mips64.cc
index bcfe051..480b917 100644
--- a/compiler/optimizing/code_generator_mips64.cc
+++ b/compiler/optimizing/code_generator_mips64.cc
@@ -1079,6 +1079,10 @@
 void CodeGeneratorMIPS64::GenerateFrameEntry() {
   __ Bind(&frame_entry_label_);
 
+  if (GetCompilerOptions().CountHotnessInCompiledCode()) {
+    LOG(WARNING) << "Unimplemented hotness update in mips64 backend";
+  }
+
   bool do_overflow_check =
       FrameNeedsStackCheck(GetFrameSize(), InstructionSet::kMips64) || !IsLeafMethod();