MIPS: [turbofan] Add checked load/store operators.

src/mips/code-stubs-mips.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_MIPS
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 864 matching lines @@
                  double_scratch);
       // double_scratch can be overwritten in the delay slot.
       // Calculates square root of base.  Check for the special case of
       // Math.pow(-Infinity, -0.5) == 0 (ECMA spec, 15.8.2.13).
       __ Move(double_scratch, -V8_INFINITY);
       __ BranchF(USE_DELAY_SLOT, &done, NULL, eq, double_base, double_scratch);
       __ Move(double_result, kDoubleRegZero);
 
       // Add +0 to convert -0 to +0.
       __ add_d(double_scratch, double_base, kDoubleRegZero);
-      __ Move(double_result, 1);
+      __ Move(double_result, 1.);
       __ sqrt_d(double_scratch, double_scratch);
       __ div_d(double_result, double_result, double_scratch);
       __ jmp(&done);
     }
 
     __ push(ra);
     {
       AllowExternalCallThatCantCauseGC scope(masm);
       __ PrepareCallCFunction(0, 2, scratch2);
       __ MovToFloatParameters(double_base, double_exponent);
@@ skipping 4036 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS