Clean list of external references from internal objects like the hole value.

src/arm/macro-assembler-arm.cc

 // Copyright 2011 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 3187 matching lines @@
   } else {
     Move(r2, reg);
     vmov(r0, r1, dreg);
   }
 }
 
 
 void MacroAssembler::CallCFunction(ExternalReference function,
                                    int num_reg_arguments,
                                    int num_double_arguments) {
-  CallCFunctionHelper(no_reg,
-                      function,
-                      ip,
-                      num_reg_arguments,
-                      num_double_arguments);
+  mov(ip, Operand(function));
+  CallCFunctionHelper(ip, num_reg_arguments, num_double_arguments);
 }
 
 
 void MacroAssembler::CallCFunction(Register function,
-                                     Register scratch,
-                                     int num_reg_arguments,
-                                     int num_double_arguments) {
-  CallCFunctionHelper(function,
-                      ExternalReference::the_hole_value_location(isolate()),
-                      scratch,
-                      num_reg_arguments,
-                      num_double_arguments);
+                                   int num_reg_arguments,
+                                   int num_double_arguments) {
+  CallCFunctionHelper(function, num_reg_arguments, num_double_arguments);
 }
 
 
 void MacroAssembler::CallCFunction(ExternalReference function,
                                    int num_arguments) {
   CallCFunction(function, num_arguments, 0);
 }
 
 
 void MacroAssembler::CallCFunction(Register function,
-                                   Register scratch,
                                    int num_arguments) {
-  CallCFunction(function, scratch, num_arguments, 0);
+  CallCFunction(function, num_arguments, 0);
 }
 
 
 void MacroAssembler::CallCFunctionHelper(Register function,
-                                         ExternalReference function_reference,
-                                         Register scratch,
                                          int num_reg_arguments,
                                          int num_double_arguments) {
   ASSERT(has_frame());
   // Make sure that the stack is aligned before calling a C function unless
   // running in the simulator. The simulator has its own alignment check which
   // provides more information.
 #if defined(V8_HOST_ARCH_ARM)
   if (emit_debug_code()) {
     int frame_alignment = OS::ActivationFrameAlignment();
     int frame_alignment_mask = frame_alignment - 1;
     if (frame_alignment > kPointerSize) {
       ASSERT(IsPowerOf2(frame_alignment));
       Label alignment_as_expected;
       tst(sp, Operand(frame_alignment_mask));
       b(eq, &alignment_as_expected);
       // Don't use Check here, as it will call Runtime_Abort possibly
       // re-entering here.
       stop("Unexpected alignment");
       bind(&alignment_as_expected);
     }
   }
 #endif
 
   // Just call directly. The function called cannot cause a GC, or
   // allow preemption, so the return address in the link register
   // stays correct.
-  if (function.is(no_reg)) {
-    mov(scratch, Operand(function_reference));
-    function = scratch;
-  }
   Call(function);
   int stack_passed_arguments = CalculateStackPassedWords(
       num_reg_arguments, num_double_arguments);
   if (ActivationFrameAlignment() > kPointerSize) {
     ldr(sp, MemOperand(sp, stack_passed_arguments * kPointerSize));
   } else {
     add(sp, sp, Operand(stack_passed_arguments * sizeof(kPointerSize)));
   }
 }
 
@@ skipping 292 matching lines @@
 void CodePatcher::EmitCondition(Condition cond) {
   Instr instr = Assembler::instr_at(masm_.pc_);
   instr = (instr & ~kCondMask) | cond;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM