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authorDavid Malcolm <dmalcolm@redhat.com>2019-12-10 21:18:23 -0500
committerDavid Malcolm <dmalcolm@redhat.com>2020-01-14 12:44:04 -0500
commit7ca50de02cf12c759f4f8daf60913704782b7d45 (patch)
treeca8340987edc24222001b551b1eda85777104e74 /gcc/graphite.c
parent8982b5535c2762f566fd15e5862acf4702a78690 (diff)
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hash-table.h: support non-zero empty values in empty_slow (v2)
gcc/cp/ChangeLog: * cp-gimplify.c (source_location_table_entry_hash::empty_zero_p): New static constant. * cp-tree.h (named_decl_hash::empty_zero_p): Likewise. (struct named_label_hash::empty_zero_p): Likewise. * decl2.c (mangled_decl_hash::empty_zero_p): Likewise. gcc/ChangeLog: * attribs.c (excl_hash_traits::empty_zero_p): New static constant. * gcov.c (function_start_pair_hash::empty_zero_p): Likewise. * graphite.c (struct sese_scev_hash::empty_zero_p): Likewise. * hash-map-tests.c (selftest::test_nonzero_empty_key): New selftest. (selftest::hash_map_tests_c_tests): Call it. * hash-map-traits.h (simple_hashmap_traits::empty_zero_p): New static constant, using the value of = H::empty_zero_p. (unbounded_hashmap_traits::empty_zero_p): Likewise, using the value from default_hash_traits <Value>. * hash-map.h (hash_map::empty_zero_p): Likewise, using the value from Traits. * hash-set-tests.c (value_hash_traits::empty_zero_p): Likewise. * hash-table.h (hash_table::alloc_entries): Guard the loop of calls to mark_empty with !Descriptor::empty_zero_p. (hash_table::empty_slow): Conditionalize the memset call with a check that Descriptor::empty_zero_p; otherwise, loop through the entries calling mark_empty on them. * hash-traits.h (int_hash::empty_zero_p): New static constant. (pointer_hash::empty_zero_p): Likewise. (pair_hash::empty_zero_p): Likewise. * ipa-devirt.c (default_hash_traits <type_pair>::empty_zero_p): Likewise. * ipa-prop.c (ipa_bit_ggc_hash_traits::empty_zero_p): Likewise. (ipa_vr_ggc_hash_traits::empty_zero_p): Likewise. * profile.c (location_triplet_hash::empty_zero_p): Likewise. * sanopt.c (sanopt_tree_triplet_hash::empty_zero_p): Likewise. (sanopt_tree_couple_hash::empty_zero_p): Likewise. * tree-hasher.h (int_tree_hasher::empty_zero_p): Likewise. * tree-ssa-sccvn.c (vn_ssa_aux_hasher::empty_zero_p): Likewise. * tree-vect-slp.c (bst_traits::empty_zero_p): Likewise. * tree-vectorizer.h (default_hash_traits<scalar_cond_masked_key>::empty_zero_p): Likewise.
Diffstat (limited to 'gcc/graphite.c')
-rw-r--r--gcc/graphite.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/graphite.c b/gcc/graphite.c
index 0ac4676..27f1e48 100644
--- a/gcc/graphite.c
+++ b/gcc/graphite.c
@@ -233,6 +233,7 @@ struct sese_scev_hash : typed_noop_remove <seir_cache_key>
&& operand_equal_p (key1.expr, key2.expr, 0));
}
static void mark_deleted (seir_cache_key &key) { key.expr = NULL_TREE; }
+ static const bool empty_zero_p = false;
static void mark_empty (seir_cache_key &key) { key.entry_dest = 0; }
static bool is_deleted (const seir_cache_key &key) { return !key.expr; }
static bool is_empty (const seir_cache_key &key) { return key.entry_dest == 0; }