[turbofan] Implemented the optional Float32RoundUp operator.

src/compiler/x87/instruction-selector-x87.cc

Index: src/compiler/x87/instruction-selector-x87.cc
diff --git a/src/compiler/x87/instruction-selector-x87.cc b/src/compiler/x87/instruction-selector-x87.cc
index ff0cf182f83da45515ccc057a6179a917414f139..0746300dcc1478916c5b1deeadc0329af7056a4d 100644
--- a/src/compiler/x87/instruction-selector-x87.cc
+++ b/src/compiler/x87/instruction-selector-x87.cc
@@ -852,6 +852,9 @@ void InstructionSelector::VisitFloat64RoundDown(Node* node) {
 }
 
 
+void InstructionSelector::VisitFloat32RoundUp(Node* node) { UNREACHABLE(); }
+
+
 void InstructionSelector::VisitFloat64RoundUp(Node* node) { UNREACHABLE(); }