MIPS: ARM: Load undefined receiver sentinel without constant pool.

src/mips64/full-codegen-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 // Note on Mips implementation:
 //
@@ skipping 2878 matching lines @@
       callee->IsVariableProxy() ? CallICState::FUNCTION : CallICState::METHOD;
 
   // Get the target function.
   if (call_type == CallICState::FUNCTION) {
     { StackValueContext context(this);
       EmitVariableLoad(callee->AsVariableProxy());
       PrepareForBailout(callee, NO_REGISTERS);
     }
     // Push undefined as receiver. This is patched in the method prologue if it
     // is a sloppy mode method.
-    __ Push(isolate()->factory()->undefined_value());
+    __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
+    __ push(at);
   } else {
     // Load the function from the receiver.
     DCHECK(callee->IsProperty());
     DCHECK(!callee->AsProperty()->IsSuperAccess());
     __ ld(LoadDescriptor::ReceiverRegister(), MemOperand(sp, 0));
     EmitNamedPropertyLoad(callee->AsProperty());
     PrepareForBailoutForId(callee->AsProperty()->LoadId(), TOS_REG);
     // Push the target function under the receiver.
     __ ld(at, MemOperand(sp, 0));
     __ push(at);
@@ skipping 2540 matching lines @@
       Assembler::target_address_at(pc_immediate_load_address)) ==
          reinterpret_cast<uint64_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64