[wasm] WasmRunner can run tests with I64 parameters and return value.

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 1831 matching lines @@
 
 
 namespace {
 
 static const int kQuadWordSize = 16;
 
 }  // namespace
 
 
 void CodeGenerator::AssemblePrologue() {
-  CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
+  const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
   if (descriptor->IsCFunctionCall()) {
     __ pushq(rbp);
     __ movq(rbp, rsp);
   } else if (descriptor->IsJSFunctionCall()) {
     __ Prologue(this->info()->GeneratePreagedPrologue());
   } else if (frame()->needs_frame()) {
     __ StubPrologue();
   } else {
     frame()->SetElidedFrameSizeInSlots(kPCOnStackSize / kPointerSize);
   }
@@ skipping 44 matching lines @@
     for (int i = Register::kNumRegisters - 1; i >= 0; i--) {
       if (!((1 << i) & saves)) continue;
       __ pushq(Register::from_code(i));
       frame()->AllocateSavedCalleeRegisterSlots(1);
     }
   }
 }
 
 
 void CodeGenerator::AssembleReturn() {
-  CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
+  const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
 
   // Restore registers.
   const RegList saves = descriptor->CalleeSavedRegisters();
   if (saves != 0) {
     for (int i = 0; i < Register::kNumRegisters; i++) {
       if (!((1 << i) & saves)) continue;
       __ popq(Register::from_code(i));
     }
   }
   const RegList saves_fp = descriptor->CalleeSavedFPRegisters();
@@ skipping 236 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8