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

src/compiler/arm/code-generator-arm.cc

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index ead028c39792fff8ae268a5203d48503387cf5f1..ae963f3a1f6b45b68bb173faa852e6e0b27b7707 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -55,6 +55,7 @@ class ArmOperandConverter final : public InstructionOperandConverter {
     switch (instr_->flags_mode()) {
       case kFlags_branch:
       case kFlags_set:
+      case kFlags_select:
         return SetCC;
       case kFlags_none:
         return LeaveCC;
@@ -917,6 +918,13 @@ void CodeGenerator::AssembleArchBoolean(Instruction* instr,
 }
 
 
+void CodeGenerator::AssembleArchSelect(Instruction* instr,
+                                       FlagsCondition condition) {
+  // Unsupported.
+  UNREACHABLE();
+}
+
+
 void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) {
   ArmOperandConverter i(this, instr);
   Register input = i.InputRegister(0);