MIPS64: [turbofan] Add checked load/store operators.

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 1699 matching lines @@
       }
     }
   }
 
   if (bd == PROTECT) {
     nop();
   }
 }
 
 
+void MacroAssembler::Move(FPURegister dst, float imm) {
+  li(at, Operand(bit_cast<int32_t>(imm)));
+  mtc1(at, dst);
+}
+
+
 void MacroAssembler::Move(FPURegister dst, double imm) {
   static const DoubleRepresentation minus_zero(-0.0);
   static const DoubleRepresentation zero(0.0);
   DoubleRepresentation value_rep(imm);
   // Handle special values first.
   if (value_rep == zero && has_double_zero_reg_set_) {
     mov_d(dst, kDoubleRegZero);
   } else if (value_rep == minus_zero && has_double_zero_reg_set_) {
     neg_d(dst, kDoubleRegZero);
   } else {
@@ skipping 4595 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