[arm64] Implement Float(32|64)(Min|Max) using fcsel.

src/compiler/code-generator.cc

 // Copyright 2013 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/compiler/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/pipeline.h"
 #include "src/frames-inl.h"
@@ skipping 285 matching lines @@
     BranchInfo branch;
     branch.condition = condition;
     branch.true_label = GetLabel(true_rpo);
     branch.false_label = GetLabel(false_rpo);
     branch.fallthru = IsNextInAssemblyOrder(false_rpo);
     // Assemble architecture-specific branch.
     AssembleArchBranch(instr, &branch);
   } else if (mode == kFlags_set) {
     // Assemble a boolean materialization after this instruction.
     AssembleArchBoolean(instr, condition);
+  } else if (mode == kFlags_select) {
+    // Assemble a select after this instruction.
+    AssembleArchSelect(instr, condition);
   }
 }
 
 
 void CodeGenerator::AssembleSourcePosition(Instruction* instr) {
   SourcePosition source_position;
   if (!code()->GetSourcePosition(instr, &source_position)) return;
   if (source_position == current_source_position_) return;
   current_source_position_ = source_position;
   if (source_position.IsUnknown()) return;
@@ skipping 349 matching lines @@
     : masm_(gen->masm()), next_(gen->ools_) {
   gen->ools_ = this;
 }
 
 
 OutOfLineCode::~OutOfLineCode() {}
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8