[builtins] Introduce proper Float64Log1p operator.

src/compiler/mips/instruction-selector-mips.cc

 // Copyright 2014 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/base/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 858 matching lines @@
 
 void InstructionSelector::VisitFloat32Abs(Node* node) {
   VisitRR(this, kMipsAbsS, node);
 }
 
 
 void InstructionSelector::VisitFloat64Abs(Node* node) {
   VisitRR(this, kMipsAbsD, node);
 }
 
-void InstructionSelector::VisitFloat64Log(Node* node) {
-  MipsOperandGenerator g(this);
-  Emit(kIeee754Float64Log, g.DefineAsFixed(node, f0),
-       g.UseFixed(node->InputAt(0), f12))
-      ->MarkAsCall();
-}
-
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRR(this, kMipsSqrtS, node);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRR(this, kMipsSqrtD, node);
 }
 
 
@@ skipping 38 matching lines @@
 
 
 void InstructionSelector::VisitFloat64RoundTiesEven(Node* node) {
   VisitRR(this, kMipsFloat64RoundTiesEven, node);
 }
 
 void InstructionSelector::VisitFloat32Neg(Node* node) { UNREACHABLE(); }
 
 void InstructionSelector::VisitFloat64Neg(Node* node) { UNREACHABLE(); }
 
+void InstructionSelector::VisitFloat64Ieee754Unop(Node* node,
+                                                  InstructionCode opcode) {
+  MipsOperandGenerator g(this);
+  Emit(opcode, g.DefineAsFixed(node, f0), g.UseFixed(node->InputAt(0), f12))
+      ->MarkAsCall();
+}
+
 void InstructionSelector::EmitPrepareArguments(
     ZoneVector<PushParameter>* arguments, const CallDescriptor* descriptor,
     Node* node) {
   MipsOperandGenerator g(this);
 
   // Prepare for C function call.
   if (descriptor->IsCFunctionCall()) {
     Emit(kArchPrepareCallCFunction |
              MiscField::encode(static_cast<int>(descriptor->CParameterCount())),
          0, nullptr, 0, nullptr);
@@ skipping 613 matching lines @@
     DCHECK(IsMipsArchVariant(kLoongson) || IsMipsArchVariant(kMips32r1) ||
            IsMipsArchVariant(kMips32r2));
     return MachineOperatorBuilder::AlignmentRequirements::
         NoUnalignedAccessSupport();
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8