[turbofan] Implemented the optional Float32RoundUp operator.

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index 031d949036f7adbda1d6f70cd555fc6cde192860..fc901253e5859b122f590155fffb5c8948b4af57 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -489,6 +489,9 @@ class RawMachineAssembler {
   Node* Float64RoundDown(Node* a) {
     return AddNode(machine()->Float64RoundDown().op(), a);
   }
+  Node* Float32RoundUp(Node* a) {
+    return AddNode(machine()->Float32RoundUp().op(), a);
+  }
   Node* Float64RoundUp(Node* a) {
     return AddNode(machine()->Float64RoundUp().op(), a);
   }