MIPS: Implement Neg_d and Neg_s instruction macros.

src/crankshaft/mips64/lithium-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/crankshaft/mips64/lithium-codegen-mips64.h"
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/crankshaft/hydrogen-osr.h"
 #include "src/crankshaft/mips64/lithium-gap-resolver-mips64.h"
@@ skipping 3634 matching lines @@
   DoubleRegister result = ToDoubleRegister(instr->result());
   DoubleRegister temp = ToDoubleRegister(instr->temp());
 
   DCHECK(!input.is(result));
 
   // Note that according to ECMA-262 15.8.2.13:
   // Math.pow(-Infinity, 0.5) == Infinity
   // Math.sqrt(-Infinity) == NaN
   Label done;
   __ Move(temp, static_cast<double>(-V8_INFINITY));
-  __ BranchF(USE_DELAY_SLOT, &done, NULL, eq, temp, input);
-  // Set up Infinity in the delay slot.
-  // result is overwritten if the branch is not taken.
-  __ neg_d(result, temp);
+  __ Neg_d(result, temp);
+  __ BranchF(&done, NULL, eq, temp, input);
 
   // Add +0 to convert -0 to +0.
   __ add_d(result, input, kDoubleRegZero);
   __ sqrt_d(result, result);
   __ bind(&done);
 }
 
 
 void LCodeGen::DoPower(LPower* instr) {
   Representation exponent_type = instr->hydrogen()->right()->representation();
@@ skipping 2077 matching lines @@
   __ ld(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8