Remove the barely used macro assemblers after merging their contents to the base

runtime/vm/assembler_ia32.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/heap.h"
 #include "vm/heap_trace.h"
 #include "vm/memory_region.h"
 #include "vm/runtime_entry.h"
 #include "vm/stub_code.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, print_stop_message, true, "Print stop message.");
 DEFINE_FLAG(bool, use_sse41, true, "Use SSE 4.1 if available");
+DECLARE_FLAG(bool, inline_alloc);
 
 
 bool CPUFeatures::sse2_supported_ = false;
 bool CPUFeatures::sse4_1_supported_ = false;
 #ifdef DEBUG
 bool CPUFeatures::initialized_ = false;
 #endif
 
 
 bool CPUFeatures::sse2_supported() {
@@ skipping 2077 matching lines @@
   while (label->HasNear()) {
     int position = label->NearPosition();
     int offset = bound - (position + 1);
     ASSERT(Utils::IsInt(8, offset));
     buffer_.Store<int8_t>(position, offset);
   }
   label->BindTo(bound);
 }
 
 
+void Assembler::TryAllocate(const Class& cls,
+                            Label* failure,
+                            bool near_jump,
+                            Register instance_reg) {
+  ASSERT(failure != NULL);
+  if (FLAG_inline_alloc) {
+    Heap* heap = Isolate::Current()->heap();
+    const intptr_t instance_size = cls.instance_size();
+    movl(instance_reg, Address::Absolute(heap->TopAddress()));
+    addl(instance_reg, Immediate(instance_size));
+    // instance_reg: potential next object start.
+    cmpl(instance_reg, Address::Absolute(heap->EndAddress()));
+    j(ABOVE_EQUAL, failure, near_jump);
+    // Successfully allocated the object, now update top to point to
+    // next object start and store the class in the class field of object.
+    movl(Address::Absolute(heap->TopAddress()), instance_reg);
+    ASSERT(instance_size >= kHeapObjectTag);
+    subl(instance_reg, Immediate(instance_size - kHeapObjectTag));
+    uword tags = 0;
+    tags = RawObject::SizeTag::update(instance_size, tags);
+    ASSERT(cls.id() != kIllegalCid);
+    tags = RawObject::ClassIdTag::update(cls.id(), tags);
+    movl(FieldAddress(instance_reg, Object::tags_offset()), Immediate(tags));
+  } else {
+    jmp(failure);
+  }
+}
+
+
+void Assembler::EnterDartFrame(intptr_t frame_size) {
+  const intptr_t offset = CodeSize();
+  EnterFrame(0);
+  Label dart_entry;
+  call(&dart_entry);
+  Bind(&dart_entry);
+  // Adjust saved PC for any intrinsic code that could have been generated
+  // before a frame is created.
+  if (offset != 0) {
+    addl(Address(ESP, 0), Immediate(-offset));
+  }
+  if (frame_size != 0) {
+    subl(ESP, Immediate(frame_size));
+  }
+}
+
+
+void Assembler::EnterStubFrame() {
+  EnterFrame(0);
+  pushl(Immediate(0));  // Push 0 in the saved PC area for stub frames.
+}
+
+
 void Assembler::Stop(const char* message) {
   if (FLAG_print_stop_message) {
     pushl(EAX);  // Preserve EAX.
     movl(EAX, Immediate(reinterpret_cast<int32_t>(message)));
     call(&StubCode::PrintStopMessageLabel());  // Passing message in EAX.
     popl(EAX);  // Restore EAX.
   } else {
     // Emit the message address as immediate operand in the test instruction.
     testl(EAX, Immediate(reinterpret_cast<int32_t>(message)));
   }
@@ skipping 154 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32