diff options
Diffstat (limited to 'src/llvm_backend_expr.cpp')
| -rw-r--r-- | src/llvm_backend_expr.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp index 0c06c8c1b..6bef21822 100644 --- a/src/llvm_backend_expr.cpp +++ b/src/llvm_backend_expr.cpp @@ -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); |