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Fix Addressing for SOA on store; Add intrinsics.type_struct_field_count(T)

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gingerBill
2021-03-01 17:54:49 +00:00
parent b428e9ee14
commit 667aa3671e
5 changed files with 68 additions and 12 deletions
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src/llvm_backend.cpp
+23 -6
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@@ -406,22 +406,39 @@ void lb_addr_store(lbProcedure *p, lbAddr addr, lbValue value) {
Type *t = type_deref(addr.addr.type);
t = base_type(t);
GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
value = lb_emit_conv(p, value, t->Struct.soa_elem);
Type *elem_type = t->Struct.soa_elem;
value = lb_emit_conv(p, value, elem_type);
elem_type = base_type(elem_type);
lbValue index = addr.soa.index;
if (!lb_is_const(index) || t->Struct.soa_kind != StructSoa_Fixed) {
Type *t = base_type(type_deref(addr.addr.type));
GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
i64 count = t->Struct.soa_count;
lbValue len = lb_const_int(p->module, t_int, count);
lbValue len = lb_soa_struct_len(p, addr.addr);
lb_emit_bounds_check(p, ast_token(addr.soa.index_expr), index, len);
}
for_array(i, t->Struct.fields) {
isize field_count = 0;
switch (elem_type->kind) {
case Type_Struct:
field_count = elem_type->Struct.fields.count;
break;
case Type_Array:
field_count = elem_type->Array.count;
break;
}
for (isize i = 0; i < field_count; i++) {
lbValue dst = lb_emit_struct_ep(p, addr.addr, cast(i32)i);
dst = lb_emit_array_ep(p, dst, index);
lbValue src = lb_emit_struct_ev(p, value, cast(i32)i);
lb_emit_store(p, dst, src);
if (t->Struct.soa_kind == StructSoa_Fixed) {
dst = lb_emit_array_ep(p, dst, index);
lb_emit_store(p, dst, src);
} else {
lbValue field = lb_emit_load(p, dst);
dst = lb_emit_ptr_offset(p, field, index);
lb_emit_store(p, dst, src);
}
}
return;
}