Win64 - Allow returning two values from a runtime function.

src/arm/codegen-arm.cc

Index: src/arm/codegen-arm.cc
diff --git a/src/arm/codegen-arm.cc b/src/arm/codegen-arm.cc
index cd7adfeeba9d98740fd2af3816b5a2f11227f9d4..1c3ca691f4c81484d79832a85b5bb77580280582 100644
--- a/src/arm/codegen-arm.cc
+++ b/src/arm/codegen-arm.cc
@@ -5623,7 +5623,7 @@ void StackCheckStub::Generate(MacroAssembler* masm) {
   // argument, so give it a Smi.
   __ mov(r0, Operand(Smi::FromInt(0)));
   __ push(r0);
-  __ TailCallRuntime(ExternalReference(Runtime::kStackGuard), 1);
+  __ TailCallRuntime(ExternalReference(Runtime::kStackGuard), 1, 1);
 
   __ StubReturn(1);
 }
@@ -5678,6 +5678,13 @@ void UnarySubStub::Generate(MacroAssembler* masm) {
 }
 
 
+int CEntryStub::MinorKey() {
+  ASSERT(result_size_ <= 2);
+  // Result returned in r0 or r0+r1 by default.
+  return 0;
+}
+
+
 void CEntryStub::GenerateThrowTOS(MacroAssembler* masm) {
   // r0 holds the exception.
 
@@ -6195,7 +6202,7 @@ void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
   // by calling the runtime system.
   __ bind(&slow);
   __ push(r1);
-  __ TailCallRuntime(ExternalReference(Runtime::kGetArgumentsProperty), 1);
+  __ TailCallRuntime(ExternalReference(Runtime::kGetArgumentsProperty), 1, 1);
 }
 
 
@@ -6216,7 +6223,7 @@ void ArgumentsAccessStub::GenerateNewObject(MacroAssembler* masm) {
 
   // Do the runtime call to allocate the arguments object.
   __ bind(&runtime);
-  __ TailCallRuntime(ExternalReference(Runtime::kNewArgumentsFast), 3);
+  __ TailCallRuntime(ExternalReference(Runtime::kNewArgumentsFast), 3, 1);
 }