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

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

Index: src/compiler/ppc/code-generator-ppc.cc
diff --git a/src/compiler/ppc/code-generator-ppc.cc b/src/compiler/ppc/code-generator-ppc.cc
index 3d99b06eb91efb400042fb2f456b1830ab6718f2..46e9b3e62e5f2d8e973cf59625c1629ce439ab0e 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -31,6 +31,7 @@ class PPCOperandConverter final : public InstructionOperandConverter {
     switch (instr_->flags_mode()) {
       case kFlags_branch:
       case kFlags_set:
+      case kFlags_select:
         return SetRC;
       case kFlags_none:
         return LeaveRC;
@@ -1280,6 +1281,13 @@ void CodeGenerator::AssembleArchBoolean(Instruction* instr,
 }
 
 
+void CodeGenerator::AssembleArchSelect(Instruction* instr,
+                                       FlagsCondition condition) {
+  // Unsupported.
+  UNREACHABLE();
+}
+
+
 void CodeGenerator::AssembleArchLookupSwitch(Instruction* instr) {
   PPCOperandConverter i(this, instr);
   Register input = i.InputRegister(0);