[wasm] remove faux code objects

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 "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 634 matching lines @@
   __ bind(&done);
 }
 
 // Assembles an instruction after register allocation, producing machine code.
 CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
     Instruction* instr) {
   X64OperandConverter i(this, instr);
   InstructionCode opcode = instr->opcode();
   ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode);
   switch (arch_opcode) {
+    case kArchCallWasmFunction: {
+      DCHECK(HasImmediateInput(instr, 0));
+      Constant callee_operand = i.ToConstant(instr->InputAt(0));
+      DCHECK(callee_operand.type() == Constant::Type::kInt32);
+      __ wasm_call(callee_operand.ToInt32(), callee_operand.rmode());
+      RecordCallPosition(instr);
+      frame_access_state()->ClearSPDelta();
+      break;
+    }
     case kArchCallCodeObject: {
       EnsureSpaceForLazyDeopt();
       if (HasImmediateInput(instr, 0)) {
         Handle<Code> code = Handle<Code>::cast(i.InputHeapObject(0));
         __ Call(code, RelocInfo::CODE_TARGET);
       } else {
         Register reg = i.InputRegister(0);
         __ addp(reg, Immediate(Code::kHeaderSize - kHeapObjectTag));
         __ call(reg);
       }
@@ skipping 1654 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8