mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2026-02-12 22:33:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add general support for bit_fields

Browse Source
This commit is contained in:
gingerBill
2024-02-22 17:24:42 +00:00
parent a4b8c1ea17
commit 5a84a08225
12 changed files with 245 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/llvm_backend_expr.cpp
View File

@@ -4627,6 +4627,22 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
Selection sel = lookup_field(type, selector, false);
GB_ASSERT(sel.entity != nullptr);
if (sel.is_bit_field) {
lbAddr addr = lb_build_addr(p, se->expr);
Type *bf_type = base_type(type_deref(lb_addr_type(addr)));
GB_ASSERT(bf_type->kind == Type_BitField);
lbValue a = lb_addr_get_ptr(p, addr);
Selection sub_sel = sel;
sub_sel.index.count -= 1;
i32 index = sel.index[sel.index.count-1];
Entity *f = bf_type->BitField.fields[index];
u8 bit_size = bf_type->BitField.bit_sizes[index];
i64 bit_offset = bf_type->BitField.bit_offsets[index];
return lb_addr_bit_field(a, f->type, index, bit_offset, bit_size);
}
if (sel.pseudo_field) {
GB_ASSERT(sel.entity->kind == Entity_Procedure || sel.entity->kind == Entity_ProcGroup);
Entity *e = entity_of_node(sel_node);