Win64 - Allow returning two values from a runtime function.

src/x64/ic-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 218 matching lines @@
   // -----------------------------------
 
   __ movq(rax, Operand(rsp, kPointerSize));
   __ movq(rcx, Operand(rsp, 2 * kPointerSize));
   __ pop(rbx);
   __ push(rcx);  // receiver
   __ push(rax);  // name
   __ push(rbx);  // return address
 
   // Perform tail call to the entry.
-  __ TailCallRuntime(f, 2);
+  __ TailCallRuntime(f, 2, 1);
 }
 
 
 #ifdef DEBUG
 // For use in assert below.
 static int TenToThe(int exponent) {
   ASSERT(exponent <= 9);
   ASSERT(exponent >= 1);
   int answer = 10;
   for (int i = 1; i < exponent; i++) answer *= 10;
@@ skipping 116 matching lines @@
   //  -- rsp[16] : receiver
   // -----------------------------------
 
   __ pop(rcx);
   __ push(Operand(rsp, 1 * kPointerSize));  // receiver
   __ push(Operand(rsp, 1 * kPointerSize));  // key
   __ push(rax);  // value
   __ push(rcx);  // return address
 
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(f, 3);
+  __ TailCallRuntime(f, 3, 1);
 }
 
 
 void KeyedStoreIC::GenerateExtendStorage(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax     : value
   //  -- rcx     : transition map
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : key
   //  -- rsp[16] : receiver
   // -----------------------------------
 
   __ pop(rbx);
   __ push(Operand(rsp, 1 * kPointerSize));  // receiver
   __ push(rcx);  // transition map
   __ push(rax);  // value
   __ push(rbx);  // return address
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
+      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3, 1);
 }
 
 
 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rsp[0] : return address
   //  -- rsp[8] : key
   //  -- rsp[16] : receiver
   // -----------------------------------
@@ skipping 45 matching lines @@
 
 
   // Slow case: Push extra copies of the arguments (3).
   __ bind(&slow);
   __ pop(rcx);
   __ push(Operand(rsp, 1 * kPointerSize));
   __ push(Operand(rsp, 1 * kPointerSize));
   __ push(rax);
   __ push(rcx);
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(ExternalReference(Runtime::kSetProperty), 3);
+  __ TailCallRuntime(ExternalReference(Runtime::kSetProperty), 3, 1);
 
 
   // Extra capacity case: Check if there is extra capacity to
   // perform the store and update the length. Used for adding one
   // element to the array by writing to array[array.length].
   __ bind(&extra);
   // rax: value
   // rdx: JSArray
   // rcx: FixedArray
   // rbx: index (as a smi)
@@ skipping 51 matching lines @@
   __ movq(rbx, Operand(rsp, (argc + 2) * kPointerSize));
 
   // Enter an internal frame.
   __ EnterInternalFrame();
 
   // Push the receiver and the name of the function.
   __ push(rdx);
   __ push(rbx);
 
   // Call the entry.
-  CEntryStub stub;
+  CEntryStub stub(1);
   __ movq(rax, Immediate(2));
   __ movq(rbx, f);
   __ CallStub(&stub);
 
   // Move result to rdi and exit the internal frame.
   __ movq(rdi, rax);
   __ LeaveInternalFrame();
 
   // Check if the receiver is a global object of some sort.
   Label invoke, global;
@@ skipping 210 matching lines @@
   // -----------------------------------
 
   __ movq(rax, Operand(rsp, kPointerSize));
 
   __ pop(rbx);
   __ push(rax);  // receiver
   __ push(rcx);  // name
   __ push(rbx);  // return address
 
   // Perform tail call to the entry.
-  __ TailCallRuntime(f, 2);
+  __ TailCallRuntime(f, 2, 1);
 }
 
 
 void LoadIC::GenerateArrayLength(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rcx    : name
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
 
@@ skipping 156 matching lines @@
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
   __ pop(rbx);
   __ push(Operand(rsp, 0));  // receiver
   __ push(rcx);  // name
   __ push(rax);  // value
   __ push(rbx);  // return address
 
   // Perform tail call to the entry.
-  __ TailCallRuntime(f, 3);
+  __ TailCallRuntime(f, 3, 1);
 }
 
 void StoreIC::GenerateExtendStorage(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : Map (target of map transition)
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
 
   __ pop(rbx);
   __ push(Operand(rsp, 0));  // receiver
   __ push(rcx);  // transition map
   __ push(rax);  // value
   __ push(rbx);  // return address
 
   // Perform tail call to the entry.
   __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
+      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3, 1);
 }
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : name
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
 
   // Get the receiver from the stack and probe the stub cache.
   __ movq(rdx, Operand(rsp, kPointerSize));
   Code::Flags flags = Code::ComputeFlags(Code::STORE_IC,
                                          NOT_IN_LOOP,
                                          MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, rdx, rcx, rbx, no_reg);
 
   // Cache miss: Jump to runtime.
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal