MIPS64: Unbreak cross build.

src/mips64/macro-assembler-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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
@@ skipping 3253 matching lines @@
   push(a5);
 
   // Set this new handler as the current one.
   sd(sp, MemOperand(a6));
 }
 
 
 void MacroAssembler::PopStackHandler() {
   STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0);
   pop(a1);
-  Daddu(sp, sp, Operand(StackHandlerConstants::kSize - kPointerSize));
+  Daddu(sp, sp, Operand(static_cast<int64_t>(StackHandlerConstants::kSize -
+                                             kPointerSize)));
   li(at, Operand(ExternalReference(Isolate::kHandlerAddress, isolate())));
   sd(a1, MemOperand(at));
 }
 
 
 void MacroAssembler::Allocate(int object_size,
                               Register result,
                               Register scratch1,
                               Register scratch2,
                               Label* gc_required,
@@ skipping 2828 matching lines @@
   }
   if (mag.shift > 0) sra(result, result, mag.shift);
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64