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#min_field_align & #max_field_align; deprecate #field_align in favour of #min_field_align

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gingerBill
2024-09-30 13:05:28 +01:00
parent 4b6410e225
commit a7d7c92a53
7 changed files with 116 additions and 49 deletions
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12
src/types.cpp
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@@ -137,7 +137,8 @@ struct TypeStruct {
Scope * scope;
i64 custom_align;
i64 custom_field_align;
i64 custom_min_field_align;
i64 custom_max_field_align;
Type * polymorphic_params; // Type_Tuple
Type * polymorphic_parent;
Wait_Signal polymorphic_wait_signal;
@@ -3950,7 +3951,7 @@ gb_internal i64 type_align_of_internal(Type *t, TypePath *path) {
return gb_clamp(next_pow2(type_size_of_internal(t, path)), 1, build_context.max_align);
}
gb_internal i64 *type_set_offsets_of(Slice<Entity *> const &fields, bool is_packed, bool is_raw_union, i64 min_field_align) {
gb_internal i64 *type_set_offsets_of(Slice<Entity *> const &fields, bool is_packed, bool is_raw_union, i64 min_field_align, i64 max_field_align) {
gbAllocator a = permanent_allocator();
auto offsets = gb_alloc_array(a, i64, fields.count);
i64 curr_offset = 0;
@@ -3980,6 +3981,9 @@ gb_internal i64 *type_set_offsets_of(Slice<Entity *> const &fields, bool is_pack
} else {
Type *t = fields[i]->type;
i64 align = gb_max(type_align_of(t), min_field_align);
if (max_field_align > min_field_align) {
align = gb_min(align, max_field_align);
}
i64 size = gb_max(type_size_of( t), 0);
curr_offset = align_formula(curr_offset, align);
offsets[i] = curr_offset;
@@ -3996,7 +4000,7 @@ gb_internal bool type_set_offsets(Type *t) {
MUTEX_GUARD(&t->Struct.offset_mutex);
if (!t->Struct.are_offsets_set) {
t->Struct.are_offsets_being_processed = true;
t->Struct.offsets = type_set_offsets_of(t->Struct.fields, t->Struct.is_packed, t->Struct.is_raw_union, t->Struct.custom_field_align);
t->Struct.offsets = type_set_offsets_of(t->Struct.fields, t->Struct.is_packed, t->Struct.is_raw_union, t->Struct.custom_min_field_align, t->Struct.custom_max_field_align);
t->Struct.are_offsets_being_processed = false;
t->Struct.are_offsets_set = true;
return true;
@@ -4005,7 +4009,7 @@ gb_internal bool type_set_offsets(Type *t) {
MUTEX_GUARD(&t->Tuple.mutex);
if (!t->Tuple.are_offsets_set) {
t->Tuple.are_offsets_being_processed = true;
t->Tuple.offsets = type_set_offsets_of(t->Tuple.variables, t->Tuple.is_packed, false, 1);
t->Tuple.offsets = type_set_offsets_of(t->Tuple.variables, t->Tuple.is_packed, false, 1, 0);
t->Tuple.are_offsets_being_processed = false;
t->Tuple.are_offsets_set = true;
return true;