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Convert rb_class_cc_entries.entries in a flexible array member

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`rb_class_cc_entries` is little more than a `len` and `capa`.
Hence embedding the entries doesn't cost much extra copying and
saves a bit of memory and some pointer chasing.

Co-Authored-By: Étienne Barrié <etienne.barrie@gmail.com>
This commit is contained in:
Jean Boussier 2025-08-01 12:21:04 +02:00
parent c6dd3cefa1
commit bc789ca804
3 changed files with 31 additions and 36 deletions
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8
vm_callinfo.h
View file

@ -585,9 +585,15 @@ struct rb_class_cc_entries {
unsigned int argc;
unsigned int flag;
const struct rb_callcache *cc;
} *entries;
} entries[FLEX_ARY_LEN];
};
static inline size_t
vm_ccs_alloc_size(size_t capa)
{
return offsetof(struct rb_class_cc_entries, entries) + (sizeof(struct rb_class_cc_entries_entry) * capa);
}
#if VM_CHECK_MODE > 0
const rb_callable_method_entry_t *rb_vm_lookup_overloaded_cme(const rb_callable_method_entry_t *cme);