Rainer Orth <r...@cebitec.uni-bielefeld.de> writes: > Jeff Law <l...@redhat.com> writes: > >> On 06/23/2015 08:57 AM, Richard Sandiford wrote: >>> At this point all hash_map traits know what kind of key they're >>> dealing with, so we can make that a traits typedef, like it is for >>> hash_table traits. Then, if we make the default hash traits for >>> T be T, we can use hash_table-style traits as the first template >>> parameter to hash_map, without the need for a third. That is, if >>> foo_hash hashes elements of type foo_type: >>> >>> typedef simple_hashmap_traits <foo_hash> foo_traits; >>> hash_map <foo_type, value_type, foo_traits> x; >>> >>> becomes just: >>> >>> hash_map <foo_hash, value_type> x; >>> >>> just like a hash_table of foo_types would be: >>> >>> hash_table <foo_hash> y; >>> >>> This patch makes that simplification. >>> >>> >>> gcc/ >>> * hash-map-traits.h (simple_hashmap_traits::key_type): New typedef. >>> (unbounded_int_hashmap_traits::key_type): Likewise. >>> * hash-map.h (hash_map): Get the key type from the traits. >>> * hash-traits.h (default_hash_traits): By default, inherit from the >>> template parameter. >>> * alias.c (alias_set_traits): Delete. >>> (alias_set_entry_d::children): Use alias_set_hash as the first >>> template parameter. >>> (record_alias_subset): Update accordingly. >>> * except.c (tree_hash_traits): Delete. >>> (type_to_runtime_map): Use tree_hash as the first template parameter. >>> (init_eh): Update accordingly. >>> * genmatch.c (capture_id_map_hasher): Delete. >>> (cid_map_t): Use nofree_string_hash as first template parameter. >>> * ipa-icf.h (symbol_compare_hashmap_traits): Delete. >>> * ipa-icf.c (sem_item_optimizer::subdivide_classes_by_sensitive_refs): >>> Use symbol_compare_hash as the first template parameter in >>> subdivide_hash_map. >>> * mem-stats.h (mem_usage_pair::mem_alloc_hashmap_traits): Delete. >>> (mem_usage_pair::mem_map_t): Use mem_location_hash as the first >>> template parameter. >>> * passes.c (pass_registry_hasher): Delete. >>> (name_to_pass_map): Use nofree_string_hash as the first template >>> parameter. >>> (register_pass_name): Update accordingly. >>> * sanopt.c (sanopt_tree_map_traits): Delete. >>> (sanopt_tree_triplet_map_traits): Delete. >>> (sanopt_ctx::asan_check_map): Use tree_operand_hash as the first >>> template parameter. >>> (sanopt_ctx::vptr_check_map): Use sanopt_tree_triplet_hash as >>> the first template parameter. >>> * sese.c (rename_map_hasher): Delete. >>> (rename_map_type): Use tree_ssa_name_hash as the first template >>> parameter. >>> * symbol-summary.h (function_summary::summary_hashmap_traits): Delete. >>> (function_summary::m_map): Use map_hash as the first template >>> parameter. >>> (function_summary::release): Update accordingly. >>> * tree-if-conv.c (phi_args_hash_traits): Delete. >>> (predicate_scalar_phi): Use tree_operand_hash as the first template >>> parameter to phi_arg_map. >>> * tree-inline.h (dependence_hasher): Delete. >>> (copy_body_data::dependence_map): Use dependence_hash as the first >>> template parameter. >>> * tree-inline.c (remap_dependence_clique): Update accordingly. >>> * tree-ssa-strlen.c (stridxlist_hash_traits): Delete. >>> (decl_to_stridxlist_htab): Use tree_decl_hash as the first template >>> parameter. >>> (addr_stridxptr): Update accordingly. >>> * value-prof.c (profile_id_traits): Delete. >>> (cgraph_node_map): Use profile_id_hash as the first template >>> parameter. >>> (init_node_map): Update accordingly. >>> * config/alpha/alpha.c (string_traits): Delete. >>> (machine_function::links): Use nofree_string_hash as the first >>> template parameter. >>> (alpha_use_linkage, alpha_write_linkage): Update accordingly. >>> * config/m32c/m32c.c (pragma_traits): Delete. >>> (pragma_htab): Use nofree_string_hash as the first template parameter. >>> (m32c_note_pragma_address): Update accordingly. >>> * config/mep/mep.c (pragma_traits): Delete. >>> (pragma_htab): Use nofree_string_hash as the first template parameter. >>> (mep_note_pragma_flag): Update accordingly. >>> * config/mips/mips.c (mips16_flip_traits): Delete. >>> (mflip_mips16_htab): Use nofree_string_hash as the first template >>> parameter. >>> (mflip_mips16_use_mips16_p): Update accordingly. >>> (local_alias_traits): Delete. >>> (mips16_local_aliases): Use nofree_string_hash as the first template >>> parameter. >>> (mips16_local_alias): Update accordingly. >> Phew. OK. > > According to a reghunt, this patch broke bootstrap (at least with g++ > 4.7 as bootstrap compiler):
Which target are you using? I just tried with a gcc 4.7 host compiler on x86_64-linux-gnu and it seemed to work. Thanks, Richard