A64: Remove Operand constructors where an implicit constructor can be used.

src/a64/codegen-a64.cc

 // Copyright 2013 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 501 matching lines @@
   ASSERT(ExternalReference::math_exp_constants(0).address() != NULL);
 
   Label done;
   DoubleRegister double_temp3 = result;
   Register constants = temp3;
 
   // The algorithm used relies on some magic constants which are initialized in
   // ExternalReference::InitializeMathExpData().
 
   // Load the address of the start of the array.
-  __ Mov(constants, Operand(ExternalReference::math_exp_constants(0)));
+  __ Mov(constants, ExternalReference::math_exp_constants(0));
 
   // We have to do a four-way split here:
   //  - If input <= about -708.4, the output always rounds to zero.
   //  - If input >= about 709.8, the output always rounds to +infinity.
   //  - If the input is NaN, the output is NaN.
   //  - Otherwise, the result needs to be calculated.
   Label result_is_finite_non_zero;
   // Assert that we can load offset 0 (the small input threshold) and offset 1
   // (the large input threshold) with a single ldp.
   ASSERT(kDRegSize == (ExpConstant(constants, 1).offset() -
@@ skipping 55 matching lines @@
   // The 8th constant is 1.0, so use an immediate move rather than a load.
   // We can't generate a runtime assertion here as we would need to call Abort
   // in the runtime and we don't have an Isolate when we generate this code.
   __ Fmov(double_temp2, 1.0);
   __ Fadd(double_temp3, double_temp3, double_temp2);
 
   __ And(temp2, temp2, 0x7ff);
   __ Add(temp1, temp1, 0x3ff);
 
   // Do the final table lookup.
-  __ Mov(temp3, Operand(ExternalReference::math_exp_log_table()));
+  __ Mov(temp3, ExternalReference::math_exp_log_table());
 
   __ Add(temp3, temp3, Operand(temp2, LSL, kDRegSizeLog2));
   __ Ldp(temp2.W(), temp3.W(), MemOperand(temp3));
   __ Orr(temp1.W(), temp3.W(), Operand(temp1.W(), LSL, 20));
   __ Bfi(temp2, temp1, 32, 32);
   __ Fmov(double_temp1, temp2);
 
   __ Fmul(result, double_temp3, double_temp1);
 
   __ Bind(&done);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64