[turbofan] Collect invocation counts and compute relative call frequencies.

src/full-codegen/mips64/full-codegen-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS64
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 118 matching lines @@
              Operand(FIRST_JS_RECEIVER_TYPE));
   }
 
   // Open a frame scope to indicate that there is a frame on the stack.  The
   // MANUAL indicates that the scope shouldn't actually generate code to set up
   // the frame (that is done below).
   FrameScope frame_scope(masm_, StackFrame::MANUAL);
   info->set_prologue_offset(masm_->pc_offset());
   __ Prologue(info->GeneratePreagedPrologue());
 
+  // Increment invocation count for the function.
+  {
+    Comment cmnt(masm_, "[ Increment invocation count");
+    __ ld(a0, FieldMemOperand(a1, JSFunction::kLiteralsOffset));
+    __ ld(a0, FieldMemOperand(a0, LiteralsArray::kFeedbackVectorOffset));
+    __ ld(a4, FieldMemOperand(
+                  a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
+                          TypeFeedbackVector::kHeaderSize));
+    __ Daddu(a4, a4, Operand(Smi::FromInt(1)));
+    __ sd(a4, FieldMemOperand(
+                  a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
+                          TypeFeedbackVector::kHeaderSize));
+  }
+
   { Comment cmnt(masm_, "[ Allocate locals");
     int locals_count = info->scope()->num_stack_slots();
     // Generators allocate locals, if any, in context slots.
     DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0);
     OperandStackDepthIncrement(locals_count);
     if (locals_count > 0) {
       if (locals_count >= 128) {
         Label ok;
         __ Dsubu(t1, sp, Operand(locals_count * kPointerSize));
         __ LoadRoot(a2, Heap::kRealStackLimitRootIndex);
@@ skipping 3574 matching lines @@
          reinterpret_cast<uint64_t>(
              isolate->builtins()->OnStackReplacement()->entry()));
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64