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Default struct member reordering for minimal size

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Rule: largest members to smallest; if same size, order in source order
This commit is contained in:
Ginger Bill
2016-09-10 11:24:50 +01:00
parent 6979678ff9
commit 7509cdceb8
7 changed files with 66 additions and 35 deletions
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src/checker/entity.cpp
+9 -6
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@@ -41,11 +41,13 @@ struct Entity {
union {
struct { ExactValue value; } Constant;
struct {
b8 visited; // Cycle detection
b8 used; // Variable is used
b8 is_field; // Is struct field
b8 anonymous; // Variable is an anonymous
b8 is_using; // `using` variable
b8 visited; // Cycle detection
b8 used; // Variable is used
b8 anonymous; // Variable is an anonymous
b8 is_using; // `using` variable
i32 field_index; // Order in source
b8 is_field; // Is struct field
} Variable;
struct {} TypeName;
struct {
@@ -103,8 +105,9 @@ Entity *make_entity_param(gbAllocator a, Scope *scope, Token token, Type *type,
return entity;
}
Entity *make_entity_field(gbAllocator a, Scope *scope, Token token, Type *type, b32 is_anonymous) {
Entity *make_entity_field(gbAllocator a, Scope *scope, Token token, Type *type, b32 is_anonymous, i32 field_index) {
Entity *entity = make_entity_variable(a, scope, token, type);
entity->Variable.field_index = field_index;
entity->Variable.is_field = true;
entity->Variable.anonymous = cast(b8)is_anonymous;
return entity;