diff options
Diffstat (limited to 'src/check_type.cpp')
| -rw-r--r-- | src/check_type.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/check_type.cpp b/src/check_type.cpp index ea1c90a66..39344fb2c 100644 --- a/src/check_type.cpp +++ b/src/check_type.cpp @@ -2176,6 +2176,25 @@ Type *make_optional_ok_type(Type *value, bool typed) { return t; } + +// IMPORTANT NOTE(bill): This must match the definition in dynamic_map_internal.odin +enum : i64 { + MAP_CACHE_LINE_LOG2 = 6, + MAP_CACHE_LINE_SIZE = 1 << MAP_CACHE_LINE_LOG2 +}; +GB_STATIC_ASSERT(MAP_CACHE_LINE_SIZE >= 64); +void map_cell_size_and_len(Type *type, i64 *size_, i64 *len_) { + i64 elem_sz = type_size_of(type); + + i64 len = 1; + if (0 < elem_sz && elem_sz < MAP_CACHE_LINE_SIZE) { + len = MAP_CACHE_LINE_SIZE / elem_sz; + } + i64 size = align_formula(elem_sz * len, MAP_CACHE_LINE_SIZE); + if (size_) *size_ = size; + if (len_) *len_ = len; +} + void init_map_internal_types(Type *type) { GB_ASSERT(type->kind == Type_Map); GB_ASSERT(t_allocator != nullptr); |