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| author | Martin Liska <mliska@suse.cz> | 2015-03-22 23:47:06 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2015-03-22 22:47:06 +0000 |
| commit | 3ab933594942029c75a9f966ba949c8a0ead1de8 (patch) | |
| tree | b7bc6aaab7da123adf51a0177421b3b65768c4ef /gcc/ipa-icf.h | |
| parent | 34d417be31db4900811d9294f4f42371d576d340 (diff) | |
| download | gcc-3ab933594942029c75a9f966ba949c8a0ead1de8.zip gcc-3ab933594942029c75a9f966ba949c8a0ead1de8.tar.gz gcc-3ab933594942029c75a9f966ba949c8a0ead1de8.tar.bz2 | |
IPA ICF: include hash values of references.
* ipa-icf.c (sem_item::update_hash_by_addr_refs): New function.
(sem_item::update_hash_by_local_refs): Likewise.
(sem_variable::get_hash): Empty line is fixed.
(sem_item_optimizer::execute): Include adding of hash references.
(sem_item_optimizer::update_hash_by_addr_refs): New function.
(sem_item_optimizer::build_hash_based_classes): Use local hash.
* ipa-icf.h (sem_item::update_hash_by_addr_refs): New function.
(sem_item::update_hash_by_local_refs): Likewise.
From-SVN: r221576
Diffstat (limited to 'gcc/ipa-icf.h')
| -rw-r--r-- | gcc/ipa-icf.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/gcc/ipa-icf.h b/gcc/ipa-icf.h index 8245b54..cd21cac 100644 --- a/gcc/ipa-icf.h +++ b/gcc/ipa-icf.h @@ -189,6 +189,15 @@ public: /* Dump symbol to FILE. */ virtual void dump_to_file (FILE *file) = 0; + /* Update hash by address sensitive references. */ + void update_hash_by_addr_refs (hash_map <symtab_node *, + sem_item *> &m_symtab_node_map); + + /* Update hash by computed local hash values taken from different + semantic items. */ + void update_hash_by_local_refs (hash_map <symtab_node *, + sem_item *> &m_symtab_node_map); + /* Return base tree that can be used for compatible_types_p and contains_polymorphic_type_p comparison. */ static bool get_base_types (tree *t1, tree *t2); @@ -226,9 +235,13 @@ public: /* A set with symbol table references. */ hash_set <symtab_node *> refs_set; + /* Hash of item. */ + hashval_t hash; + + /* Temporary hash used where hash values of references are added. */ + hashval_t global_hash; protected: /* Cached, once calculated hash for the item. */ - hashval_t hash; /* Accumulate to HSTATE a hash of constructor expression EXP. */ static void add_expr (const_tree exp, inchash::hash &hstate); @@ -494,6 +507,9 @@ public: private: + /* For each semantic item, append hash values of references. */ + void update_hash_by_addr_refs (); + /* Congruence classes are built by hash value. */ void build_hash_based_classes (void); |