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Use macro instead of a C++ iterator - for speed

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C++ iterators are bad.
This commit is contained in:
gingerBill
2025-09-10 20:11:36 +01:00
parent 228ddd6903
commit bc36ea4170
4 changed files with 21 additions and 28 deletions
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2
src/check_decl.cpp
View File

@@ -1915,7 +1915,7 @@ gb_internal void add_deps_from_child_to_parent(DeclInfo *decl) {
rw_mutex_shared_lock(&decl->deps_mutex);
rw_mutex_lock(&decl->parent->deps_mutex);
for (Entity *e : decl->deps) {
FOR_PTR_SET(e, decl->deps) {
ptr_set_add(&decl->parent->deps, e);
}

2
src/check_expr.cpp
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@@ -6028,7 +6028,7 @@ gb_internal bool check_unpack_arguments(CheckerContext *ctx, Entity **lhs, isize
}
rw_mutex_shared_lock(&decl->deps_mutex);
rw_mutex_lock(&c->decl->deps_mutex);
for (Entity *dep : decl->deps) {
FOR_PTR_SET(dep, decl->deps) {
ptr_set_add(&c->decl->deps, dep);
}
rw_mutex_unlock(&c->decl->deps_mutex);

36
src/checker.cpp
View File

@@ -2584,7 +2584,7 @@ gb_internal void add_dependency_to_set(Checker *c, Entity *entity) {
for (TypeInfoPair const tt : decl->type_info_deps) {
add_min_dep_type_info(c, tt.type);
}
for (Entity *e : decl->deps) {
FOR_PTR_SET(e, decl->deps) {
switch (e->kind) {
case Entity_Procedure:
if (e->Procedure.is_foreign) {
@@ -2611,7 +2611,7 @@ gb_internal void add_dependency_to_set(Checker *c, Entity *entity) {
}
}
for (Entity *e : decl->deps) {
FOR_PTR_SET(e, decl->deps) {
add_dependency_to_set(c, e);
}
@@ -2643,7 +2643,7 @@ gb_internal WORKER_TASK_PROC(add_dependency_to_set_worker) {
add_min_dep_type_info(c, tt.type);
}
for (Entity *e : decl->deps) {
FOR_PTR_SET(e, decl->deps) {
switch (e->kind) {
case Entity_Procedure:
if (e->Procedure.is_foreign) {
@@ -2670,7 +2670,7 @@ gb_internal WORKER_TASK_PROC(add_dependency_to_set_worker) {
}
}
for (Entity *e : decl->deps) {
FOR_PTR_SET(e, decl->deps) {
add_dependency_to_set_threaded(c, e);
}
@@ -3047,9 +3047,7 @@ gb_internal Array<EntityGraphNode *> generate_entity_dependency_graph(CheckerInf
DeclInfo *decl = decl_info_of_entity(e);
GB_ASSERT(decl != nullptr);
FOR_PTR_SET(i_dep, decl->deps) {
Entity *dep = decl->deps.keys[i_dep];
FOR_PTR_SET(dep, decl->deps) {
if (dep->flags & EntityFlag_Field) {
continue;
}
@@ -3080,21 +3078,14 @@ gb_internal Array<EntityGraphNode *> generate_entity_dependency_graph(CheckerInf
// Connect each pred 'p' of 'n' with each succ 's' and from
// the procedure node
FOR_PTR_SET(i_p, n->pred) {
EntityGraphNode *p = n->pred.keys[i_p];
FOR_PTR_SET(p, n->pred) {
// Ignore self-cycles
if (p == n) {
continue;
}
// Each succ 's' of 'n' becomes a succ of 'p', and
// each pred 'p' of 'n' becomes a pred of 's'
FOR_PTR_SET(i_s, n->succ) {
EntityGraphNode *s = n->succ.keys[i_s];
if (s == nullptr || s == cast(EntityGraphNode *)PtrSet<EntityGraphNode *>::TOMBSTONE) {
// NOTE(bill): This is inlined to improve development build performance
continue;
}
FOR_PTR_SET(s, n->succ) {
// Ignore self-cycles
if (s == n) {
continue;
@@ -5859,7 +5850,7 @@ gb_internal void check_import_entities(Checker *c) {
}
}
for (ImportGraphNode *p : n->pred) {
FOR_PTR_SET(p, n->pred) {
p->dep_count = gb_max(p->dep_count-1, 0);
priority_queue_fix(&pq, p->index);
}
@@ -5976,7 +5967,8 @@ gb_internal bool find_entity_path_tuple(Type *tuple, Entity *end, gbAllocator al
if (var_decl == nullptr) {
continue;
}
for (Entity *dep : var_decl->deps) {
FOR_PTR_SET(dep, var_decl->deps) {
if (dep == end) {
auto path = array_make<Entity *>(allocator);
array_add(&path, dep);
@@ -6026,7 +6018,7 @@ gb_internal Array<Entity *> find_entity_path(Entity *start, Entity *end, gbAlloc
return path;
}
} else {
for (Entity *dep : decl->deps) {
FOR_PTR_SET(dep, decl->deps) {
if (dep == end) {
auto path = array_make<Entity *>(allocator);
array_add(&path, dep);
@@ -6080,7 +6072,7 @@ gb_internal void calculate_global_init_order(Checker *c) {
}
}
for (EntityGraphNode *p : n->pred) {
FOR_PTR_SET(p, n->pred) {
p->dep_count -= 1;
p->dep_count = gb_max(p->dep_count, 0);
priority_queue_fix(&pq, p->index);
@@ -6273,7 +6265,7 @@ gb_internal bool check_proc_info(Checker *c, ProcInfo *pi, UntypedExprInfoMap *u
add_untyped_expressions(&c->info, ctx.untyped);
rw_mutex_shared_lock(&ctx.decl->deps_mutex);
for (Entity *dep : ctx.decl->deps) {
FOR_PTR_SET(dep, ctx.decl->deps) {
if (dep && dep->kind == Entity_Procedure &&
(dep->flags & EntityFlag_ProcBodyChecked) == 0) {
check_procedure_later_from_entity(c, dep, NULL);
@@ -7346,7 +7338,7 @@ gb_internal void check_parsed_files(Checker *c) {
DeclInfo *decl = e->decl_info;
ast_node(pl, ProcLit, decl->proc_lit);
if (pl->inlining == ProcInlining_inline) {
for (Entity *dep : decl->deps) {
FOR_PTR_SET(dep, decl->deps) {
if (dep == e) {
error(e->token, "Cannot inline recursive procedure '%.*s'", LIT(e->token.string));
break;

9
src/ptr_set.cpp
View File

@@ -16,6 +16,8 @@ template <typename T> gb_internal bool ptr_set_exists (PtrSet<T> *s, T ptr);
template <typename T> gb_internal void ptr_set_remove (PtrSet<T> *s, T ptr);
template <typename T> gb_internal void ptr_set_clear (PtrSet<T> *s);
#define FOR_PTR_SET(element, set_) for (auto *it = &(set_).keys[0], element = it ? *it : nullptr; (set_).keys != nullptr && it < &(set_).keys[(set_).capacity]; it++) if (element = *it, (*it != nullptr && *it != cast(void *)~(uintptr)(0ull)))
gb_internal gbAllocator ptr_set_allocator(void) {
return heap_allocator();
}
@@ -83,7 +85,7 @@ gb_internal gb_inline void ptr_set_grow(PtrSet<T> *old_set) {
PtrSet<T> new_set = {};
ptr_set_init(&new_set, gb_max(old_set->capacity<<1, 16));
for (T ptr : *old_set) {
FOR_PTR_SET(ptr, *old_set) {
bool was_new = ptr_set_update(&new_set, ptr);
GB_ASSERT(!was_new);
}
@@ -195,7 +197,7 @@ gb_internal gb_inline void ptr_set_clear(PtrSet<T> *s) {
gb_zero_size(s->keys, s->capacity*gb_size_of(T));
}
template <typename T>
/*template <typename T>
struct PtrSetIterator {
PtrSet<T> *set;
usize index;
@@ -239,7 +241,6 @@ gb_internal PtrSetIterator<T> begin(PtrSet<T> &set) noexcept {
template <typename T>
gb_internal PtrSetIterator<T> end(PtrSet<T> &set) noexcept {
return PtrSetIterator<T>{&set, set.capacity};
}
}*/
#define FOR_PTR_SET(index_, set_) for (usize index_ = 0; index_ < (set_).capacity; index_++) if ((set_).keys[index_] != nullptr && (set_).keys[index_] != cast(void *)~(uintptr)(0ull))