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Tilde: #soa pointers

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This commit is contained in:
gingerBill
2023-08-07 15:11:15 +01:00
parent 55c9fb7c5c
commit 0230b88078
2 changed files with 85 additions and 13 deletions
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src/tilde_stmt.cpp
+68 -5
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@@ -254,6 +254,63 @@ gb_internal cgValue cg_addr_load(cgProcedure *p, cgAddr addr) {
return v;
}
}
case cgAddr_SoaVariable:
{
Type *t = type_deref(addr.addr.type);
t = base_type(t);
GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
Type *elem = t->Struct.soa_elem;
cgValue len = {};
if (t->Struct.soa_kind == StructSoa_Fixed) {
len = cg_const_int(p, t_int, t->Struct.soa_count);
} else {
cgValue v = cg_emit_load(p, addr.addr);
len = cg_builtin_len(p, v);
}
cgAddr res = cg_add_local(p, elem, nullptr, true);
// if (addr.soa.index_expr != nullptr && (!cg_is_const(addr.soa.index) || t->Struct.soa_kind != StructSoa_Fixed)) {
// cg_emit_bounds_check(p, ast_token(addr.soa.index_expr), addr.soa.index, len);
// }
if (t->Struct.soa_kind == StructSoa_Fixed) {
for_array(i, t->Struct.fields) {
Entity *field = t->Struct.fields[i];
Type *base_type = field->type;
GB_ASSERT(base_type->kind == Type_Array);
cgValue dst = cg_emit_struct_ep(p, res.addr, cast(i32)i);
cgValue src_ptr = cg_emit_struct_ep(p, addr.addr, cast(i32)i);
src_ptr = cg_emit_array_ep(p, src_ptr, addr.soa.index);
cgValue src = cg_emit_load(p, src_ptr);
cg_emit_store(p, dst, src);
}
} else {
isize field_count = t->Struct.fields.count;
if (t->Struct.soa_kind == StructSoa_Slice) {
field_count -= 1;
} else if (t->Struct.soa_kind == StructSoa_Dynamic) {
field_count -= 3;
}
for (isize i = 0; i < field_count; i++) {
Entity *field = t->Struct.fields[i];
Type *base_type = field->type;
GB_ASSERT(base_type->kind == Type_Pointer);
cgValue dst = cg_emit_struct_ep(p, res.addr, cast(i32)i);
cgValue src_ptr = cg_emit_struct_ep(p, addr.addr, cast(i32)i);
cgValue src = cg_emit_load(p, src_ptr);
src = cg_emit_ptr_offset(p, src, addr.soa.index);
src = cg_emit_load(p, src);
cg_emit_store(p, dst, src);
}
}
return cg_addr_load(p, res);
}
}
GB_PANIC("TODO(bill): cg_addr_load %p", addr.addr.node);
return {};
@@ -562,18 +619,24 @@ gb_internal cgValue cg_emit_struct_ep(cgProcedure *p, cgValue s, i64 index) {
return cg_emit_array_epi(p, s, index);
case Type_SoaPointer:
switch (index) {
case 0: result_type = alloc_type_pointer(t->SoaPointer.elem); break;
case 1: result_type = t_int; break;
case 0:
result_type = alloc_type_pointer(t->SoaPointer.elem);
offset = 0;
break;
case 1:
result_type = t_int;
offset = int_size;
break;
}
break;
default:
error_case:;
GB_PANIC("TODO(bill): struct_gep type: %s, %d", type_to_string(s.type), index);
GB_PANIC("TODO(bill): struct_gep type: %s, %lld", type_to_string(s.type), cast(long long)index);
break;
}
GB_ASSERT_MSG(result_type != nullptr, "%s %d", type_to_string(t), index);
GB_ASSERT(offset >= 0);
GB_ASSERT_MSG(result_type != nullptr, "%s %lld", type_to_string(t), cast(long long)index);
GB_ASSERT_MSG(offset >= 0, "%s %lld", type_to_string(t), cast(long long)offset);
GB_ASSERT(s.kind == cgValue_Value);
return cg_value(