Index: llvm/trunk/include/llvm/Target/TargetSelectionDAG.td
===================================================================
--- llvm/trunk/include/llvm/Target/TargetSelectionDAG.td
+++ llvm/trunk/include/llvm/Target/TargetSelectionDAG.td
@@ -413,8 +413,10 @@
                           [SDNPCommutative]>;
 def fmaxnum_ieee  : SDNode<"ISD::FMAXNUM_IEEE", SDTFPBinOp,
                            [SDNPCommutative]>;
-def fminimum   : SDNode<"ISD::FMINIMUM"   , SDTFPBinOp>;
-def fmaximum   : SDNode<"ISD::FMAXIMUM"   , SDTFPBinOp>;
+def fminimum   : SDNode<"ISD::FMINIMUM"   , SDTFPBinOp,
+                        [SDNPCommutative, SDNPAssociative]>;
+def fmaximum   : SDNode<"ISD::FMAXIMUM"   , SDTFPBinOp,
+                        [SDNPCommutative, SDNPAssociative]>;
 def fgetsign   : SDNode<"ISD::FGETSIGN"   , SDTFPToIntOp>;
 def fcanonicalize : SDNode<"ISD::FCANONICALIZE", SDTFPUnaryOp>;
 def fneg       : SDNode<"ISD::FNEG"       , SDTFPUnaryOp>;