tree-ssa-sccvn.c (copy_reference_ops_from_ref): Support FIXED_CST.

	gcc/
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Support FIXED_CST.

From-SVN: r177018

gcc/ChangeLog

 2011-08-01  Julian Brown  <julian@codesourcery.com>
 
+	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Support FIXED_CST.
+
+2011-08-01  Julian Brown  <julian@codesourcery.com>
+
 	* final.c (output_addr_const): Print fixed-point constants as
 	decimal not hex.
 

gcc/tree-ssa-sccvn.c

@@ -704,6 +704,7 @@ copy_reference_ops_from_ref (tree ref, VEC(vn_reference_op_s, heap) **result)
 	case COMPLEX_CST:
 	case VECTOR_CST:
 	case REAL_CST:
+	case FIXED_CST:
 	case CONSTRUCTOR:
 	case SSA_NAME:
 	  temp.op0 = ref;