[cleanup] Minor cleanups concerning assemblers and code generation.

src/compiler/x64/code-generator-x64.cc

 // Copyright 2013 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.
 
 #include "src/compiler/code-generator.h"
 
 #include <limits>
 
 #include "src/compilation-info.h"
 #include "src/compiler/code-generator-impl.h"
@@ skipping 744 matching lines @@
       Operand(rbp, ArgumentsAdaptorFrameConstants::kLengthOffset));
 
   ParameterCount callee_args_count(args_reg);
   __ PrepareForTailCall(callee_args_count, caller_args_count_reg, scratch2,
                         scratch3, ReturnAddressState::kOnStack);
   __ bind(&done);
 }
 
 namespace {
 
-void AdjustStackPointerForTailCall(MacroAssembler* masm,
+void AdjustStackPointerForTailCall(Assembler* assembler,
                                    FrameAccessState* state,
                                    int new_slot_above_sp,
                                    bool allow_shrinkage = true) {
   int current_sp_offset = state->GetSPToFPSlotCount() +
                           StandardFrameConstants::kFixedSlotCountAboveFp;
   int stack_slot_delta = new_slot_above_sp - current_sp_offset;
   if (stack_slot_delta > 0) {
-    masm->subq(rsp, Immediate(stack_slot_delta * kPointerSize));
+    assembler->subq(rsp, Immediate(stack_slot_delta * kPointerSize));
     state->IncreaseSPDelta(stack_slot_delta);
   } else if (allow_shrinkage && stack_slot_delta < 0) {
-    masm->addq(rsp, Immediate(-stack_slot_delta * kPointerSize));
+    assembler->addq(rsp, Immediate(-stack_slot_delta * kPointerSize));
     state->IncreaseSPDelta(stack_slot_delta);
   }
 }
 
 }  // namespace
 
 void CodeGenerator::AssembleTailCallBeforeGap(Instruction* instr,
                                               int first_unused_stack_slot) {
   CodeGenerator::PushTypeFlags flags(kImmediatePush | kScalarPush);
   ZoneVector<MoveOperands*> pushes(zone());
@@ skipping 2389 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8