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2008-03-08 Richard Guenther <rguenther@suse.de> * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove. (vn_binary_op_insert): Likewise. (vn_unary_op_lookup): Likewise. (vn_unary_op_insert): Likewise. (vn_nary_op_lookup): Declare. (vn_nary_op_insert): Likewise. * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary and binary hashes, use a single obstack for unary_op_pool and binary_op_pool. (struct vn_binary_op_s, struct vn_unary_op_s): Replace with a single struct vn_nary_op_s. Store tree code length and a variable number of operands. (struct vn_reference_op_struct): Remove unused op2. (vn_reference_op_eq): Do not compare op2. (vn_reference_op_compute_hash): Do not compute hash of op2. (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash. (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace with vn_nary_op_compute_hash. (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq. (vn_unary_op_lookup, vn_binary_op_lookup): Replace with vn_nary_op_lookup. (vn_unary_op_insert, vn_binary_op_insert): Replace with vn_nary_op_insert. (visit_unary_op): Call nary functions. (visit_binary_op): Likewise. (process_scc): Adjust for struct vn_tables_s changes. (allocate_vn_table): Likewise. (free_vn_table): Likewise. * tree-vn.c (vn_add): Call nary functions. (vn_lookup): Likewise. From-SVN: r133038
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