2 files changed, 18 insertions, 2 deletions
diff --git a/compiler/optimizing/code_generator_mips.cc b/compiler/optimizing/code_generator_mips.cc
index 855da2b18f..eb122b7781 100644
--- a/compiler/optimizing/code_generator_mips.cc
+++ b/compiler/optimizing/code_generator_mips.cc
@@ -1281,7 +1281,9 @@ void CodeGeneratorMIPS::GenerateFrameEntry() {
   __ Bind(&frame_entry_label_);
 
   if (GetCompilerOptions().CountHotnessInCompiledCode()) {
-    LOG(WARNING) << "Unimplemented hotness update in mips backend";
+    __ Lhu(TMP, kMethodRegisterArgument, ArtMethod::HotnessCountOffset().Int32Value());
+    __ Addiu(TMP, TMP, 1);
+    __ Sh(TMP, kMethodRegisterArgument, ArtMethod::HotnessCountOffset().Int32Value());
   }
 
   bool do_overflow_check =
@@ -4027,6 +4029,12 @@ void InstructionCodeGeneratorMIPS::HandleGoto(HInstruction* got, HBasicBlock* su
   HLoopInformation* info = block->GetLoopInformation();
 
   if (info != nullptr && info->IsBackEdge(*block) && info->HasSuspendCheck()) {
+    if (codegen_->GetCompilerOptions().CountHotnessInCompiledCode()) {
+      __ Lw(AT, SP, kCurrentMethodStackOffset);
+      __ Lhu(TMP, AT, ArtMethod::HotnessCountOffset().Int32Value());
+      __ Addiu(TMP, TMP, 1);
+      __ Sh(TMP, AT, ArtMethod::HotnessCountOffset().Int32Value());
+    }
     GenerateSuspendCheck(info->GetSuspendCheck(), successor);
     return;
   }
diff --git a/compiler/optimizing/code_generator_mips64.cc b/compiler/optimizing/code_generator_mips64.cc
index 8a06061c6a..f1bb5c15eb 100644
--- a/compiler/optimizing/code_generator_mips64.cc
+++ b/compiler/optimizing/code_generator_mips64.cc
@@ -1082,7 +1082,9 @@ void CodeGeneratorMIPS64::GenerateFrameEntry() {
   __ Bind(&frame_entry_label_);
 
   if (GetCompilerOptions().CountHotnessInCompiledCode()) {
-    LOG(WARNING) << "Unimplemented hotness update in mips64 backend";
+    __ Lhu(TMP, kMethodRegisterArgument, ArtMethod::HotnessCountOffset().Int32Value());
+    __ Addiu(TMP, TMP, 1);
+    __ Sh(TMP, kMethodRegisterArgument, ArtMethod::HotnessCountOffset().Int32Value());
   }
 
   bool do_overflow_check =
@@ -3553,6 +3555,12 @@ void InstructionCodeGeneratorMIPS64::HandleGoto(HInstruction* got, HBasicBlock*
   HLoopInformation* info = block->GetLoopInformation();
 
   if (info != nullptr && info->IsBackEdge(*block) && info->HasSuspendCheck()) {
+    if (codegen_->GetCompilerOptions().CountHotnessInCompiledCode()) {
+      __ Ld(AT, SP, kCurrentMethodStackOffset);
+      __ Lhu(TMP, AT, ArtMethod::HotnessCountOffset().Int32Value());
+      __ Addiu(TMP, TMP, 1);
+      __ Sh(TMP, AT, ArtMethod::HotnessCountOffset().Int32Value());
+    }
     GenerateSuspendCheck(info->GetSuspendCheck(), successor);
     return;
   }