diff options
Diffstat (limited to 'src/llvm_backend_expr.cpp')
| -rw-r--r-- | src/llvm_backend_expr.cpp | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/llvm_backend_expr.cpp b/src/llvm_backend_expr.cpp index c12489598..7772ba930 100644 --- a/src/llvm_backend_expr.cpp +++ b/src/llvm_backend_expr.cpp @@ -4533,10 +4533,26 @@ gb_internal lbAddr lb_build_addr_compound_lit(lbProcedure *p, Ast *expr) { if (lb_is_nested_possibly_constant(type, sel, elem)) { continue; } - lbValue dst = lb_emit_deep_field_gep(p, comp_lit_ptr, sel); field_expr = lb_build_expr(p, elem); field_expr = lb_emit_conv(p, field_expr, sel.entity->type); - lb_emit_store(p, dst, field_expr); + if (sel.is_bit_field) { + Selection sub_sel = trim_selection(sel); + lbValue trimmed_dst = lb_emit_deep_field_gep(p, comp_lit_ptr, sub_sel); + Type *bf = base_type(type_deref(trimmed_dst.type)); + if (is_type_pointer(bf)) { + trimmed_dst = lb_emit_load(p, trimmed_dst); + bf = base_type(type_deref(trimmed_dst.type)); + } + GB_ASSERT(bf->kind == Type_BitField); + + isize idx = sel.index[sel.index.count-1]; + lbAddr dst = lb_addr_bit_field(trimmed_dst, bf->BitField.fields[idx]->type, bf->BitField.bit_offsets[idx], bf->BitField.bit_sizes[idx]); + lb_addr_store(p, dst, field_expr); + + } else { + lbValue dst = lb_emit_deep_field_gep(p, comp_lit_ptr, sel); + lb_emit_store(p, dst, field_expr); + } continue; } |