[turbofan] Added the optional Float64RoundUp operator to turbofan.

src/compiler/ia32/instruction-selector-ia32.cc

Index: src/compiler/ia32/instruction-selector-ia32.cc
diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc
index 8225c96b122ff6073255d40049ce340a2491de57..40167a472cc54ec5828e30c4abae2b05fdaea8e6 100644
--- a/src/compiler/ia32/instruction-selector-ia32.cc
+++ b/src/compiler/ia32/instruction-selector-ia32.cc
@@ -856,6 +856,11 @@ void InstructionSelector::VisitFloat64RoundDown(Node* node) {
 }
 
 
+void InstructionSelector::VisitFloat64RoundUp(Node* node) {
+  VisitRR(this, node, kSSEFloat64Round | MiscField::encode(kRoundUp));
+}
+
+
 void InstructionSelector::VisitFloat64RoundTruncate(Node* node) {
   VisitRR(this, node, kSSEFloat64Round | MiscField::encode(kRoundToZero));
 }
@@ -1275,6 +1280,7 @@ InstructionSelector::SupportedMachineOperatorFlags() {
   }
   if (CpuFeatures::IsSupported(SSE4_1)) {
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
+             MachineOperatorBuilder::kFloat64RoundUp |
              MachineOperatorBuilder::kFloat64RoundTruncate;
   }
   return flags;