Land the Fan (disabled)

src/compiler/x64/linkage-x64.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.
+
+#include "src/v8.h"
+
+#include "src/assembler.h"
+#include "src/code-stubs.h"
+#include "src/compiler/linkage.h"
+#include "src/compiler/linkage-impl.h"
+#include "src/zone.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+struct LinkageHelperTraits {
+  static Register ReturnValueReg() { return rax; }
+  static Register ReturnValue2Reg() { return rdx; }
+  static Register JSCallFunctionReg() { return rdi; }
+  static Register ContextReg() { return rsi; }
+  static Register RuntimeCallFunctionReg() { return rbx; }
+  static Register RuntimeCallArgCountReg() { return rax; }
+#ifdef _WIN64
+  static RegList CCalleeSaveRegisters() {
+    return rbx.bit() | rdi.bit() | rsi.bit() | r12.bit() | r13.bit() |
+           r14.bit() | r15.bit();
+  }
+  static Register CRegisterParameter(int i) {
+    static Register register_parameters[] = {rcx, rdx, r8, r9};
+    return register_parameters[i];
+  }
+  static int CRegisterParametersLength() { return 4; }
+#else
+  static RegList CCalleeSaveRegisters() {
+    return rbx.bit() | r12.bit() | r13.bit() | r14.bit() | r15.bit();
+  }
+  static Register CRegisterParameter(int i) {
+    static Register register_parameters[] = {rdi, rsi, rdx, rcx, r8, r9};
+    return register_parameters[i];
+  }
+  static int CRegisterParametersLength() { return 6; }
+#endif
+};
+
+
+CallDescriptor* Linkage::GetJSCallDescriptor(int parameter_count, Zone* zone) {
+  return LinkageHelper::GetJSCallDescriptor<LinkageHelperTraits>(
+      zone, parameter_count);
+}
+
+
+CallDescriptor* Linkage::GetRuntimeCallDescriptor(
+    Runtime::FunctionId function, int parameter_count,
+    Operator::Property properties,
+    CallDescriptor::DeoptimizationSupport can_deoptimize, Zone* zone) {
+  return LinkageHelper::GetRuntimeCallDescriptor<LinkageHelperTraits>(
+      zone, function, parameter_count, properties, can_deoptimize);
+}
+
+
+CallDescriptor* Linkage::GetStubCallDescriptor(
+    CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count) {
+  return LinkageHelper::GetStubCallDescriptor<LinkageHelperTraits>(
+      this->info_->zone(), descriptor, stack_parameter_count);
+}
+
+
+CallDescriptor* Linkage::GetSimplifiedCDescriptor(
+    Zone* zone, int num_params, MachineRepresentation return_type,
+    const MachineRepresentation* param_types) {
+  return LinkageHelper::GetSimplifiedCDescriptor<LinkageHelperTraits>(
+      zone, num_params, return_type, param_types);
+}
+}
+}
+}  // namespace v8::internal::compiler