Win64 - Allow returning two values from a runtime function.

src/arm/ic-arm.cc

 // Copyright 2006-2008 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 373 matching lines @@
 
   __ EnterInternalFrame();
 
   // Push the receiver and the name of the function.
   __ stm(db_w, sp, r1.bit() | r2.bit());
 
   // Call the entry.
   __ mov(r0, Operand(2));
   __ mov(r1, Operand(f));
 
-  CEntryStub stub;
+  CEntryStub stub(1);
   __ CallStub(&stub);
 
   // Move result to r1 and leave the internal frame.
   __ mov(r1, Operand(r0));
   __ LeaveInternalFrame();
 
   // Check if the receiver is a global object of some sort.
   Label invoke, global;
   __ ldr(r2, MemOperand(sp, argc * kPointerSize));  // receiver
   __ tst(r2, Operand(kSmiTagMask));
@@ skipping 91 matching lines @@
   // ----------- S t a t e -------------
   //  -- r2    : name
   //  -- lr    : return address
   //  -- [sp]  : receiver
   // -----------------------------------
 
   __ ldr(r3, MemOperand(sp, 0));
   __ stm(db_w, sp, r2.bit() | r3.bit());
 
   // Perform tail call to the entry.
-  __ TailCallRuntime(f, 2);
+  __ TailCallRuntime(f, 2, 1);
 }
 
 
 // TODO(181): Implement map patching once loop nesting is tracked on the
 // ARM platform so we can generate inlined fast-case code loads in
 // loops.
 void LoadIC::ClearInlinedVersion(Address address) {}
 bool LoadIC::PatchInlinedLoad(Address address, Object* map, int offset) {
   return false;
 }
@@ skipping 19 matching lines @@
 
 
 void KeyedLoadIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
   //  -- sp[0]  : key
   //  -- sp[4]  : receiver
   __ ldm(ia, sp, r2.bit() | r3.bit());
   __ stm(db_w, sp, r2.bit() | r3.bit());
 
-  __ TailCallRuntime(f, 2);
+  __ TailCallRuntime(f, 2, 1);
 }
 
 
 void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address
   //  -- sp[0]  : key
   //  -- sp[4]  : receiver
   Label slow, fast;
 
@@ skipping 35 matching lines @@
   __ ldr(r3, FieldMemOperand(r1, Array::kLengthOffset));
   __ cmp(r0, Operand(r3));
   __ b(lo, &fast);
 
   // Slow case: Push extra copies of the arguments (2).
   __ bind(&slow);
   __ IncrementCounter(&Counters::keyed_load_generic_slow, 1, r0, r1);
   __ ldm(ia, sp, r0.bit() | r1.bit());
   __ stm(db_w, sp, r0.bit() | r1.bit());
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(ExternalReference(Runtime::kGetProperty), 2);
+  __ TailCallRuntime(ExternalReference(Runtime::kGetProperty), 2, 1);
 
   // Fast case: Do the load.
   __ bind(&fast);
   __ add(r3, r1, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   __ ldr(r0, MemOperand(r3, r0, LSL, kPointerSizeLog2));
   __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
   __ cmp(r0, ip);
   // In case the loaded value is the_hole we have to consult GetProperty
   // to ensure the prototype chain is searched.
   __ b(eq, &slow);
 
   __ Ret();
 }
 
 
 void KeyedStoreIC::Generate(MacroAssembler* masm,
                             const ExternalReference& f) {
   // ---------- S t a t e --------------
   //  -- r0     : value
   //  -- lr     : return address
   //  -- sp[0]  : key
   //  -- sp[1]  : receiver
 
   __ ldm(ia, sp, r2.bit() | r3.bit());
   __ stm(db_w, sp, r0.bit() | r2.bit() | r3.bit());
 
-  __ TailCallRuntime(f, 3);
+  __ TailCallRuntime(f, 3, 1);
 }
 
 
 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- r0     : value
   //  -- lr     : return address
   //  -- sp[0]  : key
   //  -- sp[1]  : receiver
   Label slow, fast, array, extra, exit;
@@ skipping 37 matching lines @@
   __ ldr(ip, FieldMemOperand(r3, FixedArray::kLengthOffset));
   __ cmp(r1, Operand(ip));
   __ b(lo, &fast);
 
 
   // Slow case: Push extra copies of the arguments (3).
   __ bind(&slow);
   __ ldm(ia, sp, r1.bit() | r3.bit());  // r0 == value, r1 == key, r3 == object
   __ stm(db_w, sp, r0.bit() | r1.bit() | r3.bit());
   // 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].
   // r0 == value, r1 == key, r2 == elements, r3 == object
   __ bind(&extra);
   __ b(ne, &slow);  // do not leave holes in the array
   __ mov(r1, Operand(r1, ASR, kSmiTagSize));  // untag
   __ ldr(ip, FieldMemOperand(r2, Array::kLengthOffset));
   __ cmp(r1, Operand(ip));
@@ skipping 56 matching lines @@
   //  -- lr     : return address
   //  -- sp[0]  : key
   //  -- sp[1]  : receiver
   // ----------- S t a t e -------------
 
   __ ldm(ia, sp, r2.bit() | r3.bit());
   __ stm(db_w, sp, r0.bit() | r2.bit() | r3.bit());
 
   // 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 -------------
   //  -- r0    : value
   //  -- r2    : name
   //  -- lr    : return address
   //  -- [sp]  : receiver
   // -----------------------------------
@@ skipping 16 matching lines @@
   //  -- r2    : name
   //  -- lr    : return address
   //  -- [sp]  : receiver
   // -----------------------------------
 
   __ ldr(r3, MemOperand(sp));  // copy receiver
   __ stm(db_w, sp, r0.bit() | r2.bit() | r3.bit());
 
   // Perform tail call to the entry.
   __ TailCallRuntime(
-      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
+      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3, 1);
 }
 
 
 void StoreIC::Generate(MacroAssembler* masm, const ExternalReference& f) {
   // ----------- S t a t e -------------
   //  -- r0    : value
   //  -- r2    : name
   //  -- lr    : return address
   //  -- [sp]  : receiver
   // -----------------------------------
 
   __ ldr(r3, MemOperand(sp));  // copy receiver
   __ stm(db_w, sp, r0.bit() | r2.bit() | r3.bit());
 
   // Perform tail call to the entry.
-  __ TailCallRuntime(f, 3);
+  __ TailCallRuntime(f, 3, 1);
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal