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Very basic matrix support in backend

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This commit is contained in:
gingerBill
2021-10-18 18:16:52 +01:00
parent 4c655865e5
commit ba331024af
8 changed files with 364 additions and 8 deletions
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31
src/types.cpp
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@@ -1257,6 +1257,22 @@ i64 matrix_type_stride(Type *t) {
return stride;
}
i64 matrix_type_stride_in_elems(Type *t) {
t = base_type(t);
GB_ASSERT(t->kind == Type_Matrix);
i64 stride = matrix_type_stride(t);
return stride/gb_max(1, type_size_of(t->Matrix.elem));
}
i64 matrix_type_total_elems(Type *t) {
t = base_type(t);
GB_ASSERT(t->kind == Type_Matrix);
i64 size = type_size_of(t);
i64 elem_size = type_size_of(t->Matrix.elem);
return size/gb_max(elem_size, 1);
}
bool is_type_dynamic_array(Type *t) {
t = base_type(t);
return t->kind == Type_DynamicArray;
@@ -3174,17 +3190,17 @@ i64 type_align_of_internal(Type *t, TypePath *path) {
case Type_Matrix: {
Type *elem = t->Matrix.elem;
i64 row_count = t->Matrix.row_count;
// i64 column_count = t->Matrix.column_count;
i64 row_count = gb_max(t->Matrix.row_count, 1);
bool pop = type_path_push(path, elem);
if (path->failure) {
return FAILURE_ALIGNMENT;
}
// elem align is used here rather than size as it make a little more sense
i64 elem_align = type_align_of_internal(elem, path);
if (pop) type_path_pop(path);
i64 align = gb_clamp(elem_align * row_count, elem_align, build_context.max_align);
i64 align = gb_min(next_pow2(elem_align * row_count), build_context.max_align);
return align;
}
@@ -3935,6 +3951,13 @@ gbString write_type_to_string(gbString str, Type *type) {
str = gb_string_append_fmt(str, ") ");
str = write_type_to_string(str, type->RelativeSlice.slice_type);
break;
case Type_Matrix:
str = gb_string_appendc(str, gb_bprintf("[%d", cast(int)type->Matrix.row_count));
str = gb_string_appendc(str, "; ");
str = gb_string_appendc(str, gb_bprintf("%d]", cast(int)type->Matrix.column_count));
str = write_type_to_string(str, type->Matrix.elem);
break;
}
return str;