PPC/s390: [turbofan] Collect invocation counts and compute relative call frequencies.

src/full-codegen/ppc/full-codegen-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/full-codegen/full-codegen.h"
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
@@ skipping 115 matching lines @@
 
   if (prologue_offset) {
     // Prologue logic requires it's starting address in ip and the
     // corresponding offset from the function entry.
     prologue_offset += Instruction::kInstrSize;
     __ addi(ip, ip, Operand(prologue_offset));
   }
   info->set_prologue_offset(prologue_offset);
   __ Prologue(info->GeneratePreagedPrologue(), ip, prologue_offset);
 
+  // Increment invocation count for the function.
+  {
+    Comment cmnt(masm_, "[ Increment invocation count");
+    __ LoadP(r7, FieldMemOperand(r4, JSFunction::kLiteralsOffset));
+    __ LoadP(r7, FieldMemOperand(r7, LiteralsArray::kFeedbackVectorOffset));
+    __ LoadP(r8, FieldMemOperand(r7, TypeFeedbackVector::kInvocationCountIndex *
+                                             kPointerSize +
+                                         TypeFeedbackVector::kHeaderSize));
+    __ AddSmiLiteral(r8, r8, Smi::FromInt(1), r0);
+    __ StoreP(r8,
+              FieldMemOperand(
+                  r7, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
+                          TypeFeedbackVector::kHeaderSize),
+              r0);
+  }
+
   {
     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;
         __ Add(ip, sp, -(locals_count * kPointerSize), r0);
@@ skipping 3551 matching lines @@
 
   DCHECK(Assembler::IsCrSet(Assembler::instr_at(cmp_address)));
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OnStackReplacement()->entry());
   return ON_STACK_REPLACEMENT;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC