X87: [turbofan] Add TruncateFloat32ToUint32 operator to Turbofan.

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 e37d78526c5f489f70c45c5633bd0053d0c1a9be..7e9c94b509e7b6b26141b16c5ba0e7a0b9c06a8b 100644
--- a/src/compiler/x87/instruction-selector-x87.cc
+++ b/src/compiler/x87/instruction-selector-x87.cc
@@ -691,7 +691,8 @@ void InstructionSelector::VisitTruncateFloat32ToInt32(Node* node) {
 
 
 void InstructionSelector::VisitTruncateFloat32ToUint32(Node* node) {
-  UNIMPLEMENTED();
+  X87OperandGenerator g(this);
+  Emit(kX87Float32ToUint32, g.DefineAsRegister(node), g.Use(node->InputAt(0)));
 }