MIPS simple function calls

src/mips/ic-mips.cc

Index: src/mips/ic-mips.cc
===================================================================
--- src/mips/ic-mips.cc	(revision 4138)
+++ src/mips/ic-mips.cc	(working copy)
@@ -74,6 +74,47 @@
 
 void CallIC::GenerateMiss(MacroAssembler* masm, int argc) {
   UNIMPLEMENTED_MIPS();
+    // Registers:
+    // a2: name
+    // ra: return address
+
+  // Get the receiver of the function from the stack.
+  __ lw(a3, MemOperand(sp, argc*kPointerSize));
+
+  __ EnterInternalFrame();
+
+  // Push the receiver and the name of the function.
+  __ MultiPush(a2.bit() | a3.bit());
+
+  // Call the entry.
+  __ li(a0, Operand(2));
+  __ li(a1, Operand(ExternalReference(IC_Utility(kCallIC_Miss))));
+
+  CEntryStub stub(1);
+  __ CallStub(&stub);
+
+  // Move result to r1 and leave the internal frame.
+  __ mov(a1, v0);
+  __ LeaveInternalFrame();
+
+  // Check if the receiver is a global object of some sort.
+  Label invoke, global;
+  __ lw(a2, MemOperand(sp, argc * kPointerSize));
+  __ andi(t0, a2, kSmiTagMask);
+  __ Branch(eq, &invoke, t0, Operand(zero_reg));
+  __ GetObjectType(a2, a3, a3);
+  __ Branch(eq, &global, a3, Operand(JS_GLOBAL_OBJECT_TYPE));
+  __ Branch(ne, &invoke, a3, Operand(JS_BUILTINS_OBJECT_TYPE));
+
+  // Patch the receiver on the stack.
+  __ bind(&global);
+  __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalReceiverOffset));
+  __ sw(a2, MemOperand(sp, argc * kPointerSize));
+
+  // Invoke the function.
+  ParameterCount actual(argc);
+  __ bind(&invoke);
+  __ InvokeFunction(a1, actual, JUMP_FUNCTION);
 }
 
 // Defined in ic.cc.