Beispiel #1
0
        void NeonVectorBackend::visit(const Nodecl::VectorAdd& n)
        {
            walk(n.get_lhs());
            walk(n.get_rhs());

            TL::Type t = n.get_type();
            ERROR_CONDITION(!t.is_vector(), "Invalid type", 0);
            TL::Type element = t.vector_element();
            ERROR_CONDITION(!element.is_float(), "Not implemented: %s", print_declarator(element.get_internal_type()));

            TL::Symbol builtin_fun = TL::Scope::get_global_scope().get_symbol_from_name("vaddq_f32");
            ERROR_CONDITION(!builtin_fun.is_valid(), "Symbol not found", 0);

            n.replace(
                    Nodecl::FunctionCall::make(
                        builtin_fun.make_nodecl(/* set_ref_type */ true),
                        Nodecl::List::make(
                            n.get_lhs(),
                            n.get_rhs()),
                        /* alternate-name */ Nodecl::NodeclBase::null(),
                        /* function-form */ Nodecl::NodeclBase::null(),
                        n.get_type(),
                        n.get_locus()
                        )
                    );
        }
Beispiel #2
0
const char* fortran_print_type_str(type_t* t)
{
    t = no_ref(t);

    if (is_error_type(t))
    {
        return "<error-type>";
    }

    if (is_hollerith_type(t))
    {
        return "HOLLERITH";
    }

    const char* result = "";
    char is_pointer = 0;
    if (is_pointer_type(t))
    {
        is_pointer = 1;
        t = pointer_type_get_pointee_type(t);
    }

    struct array_spec_tag {
        nodecl_t lower;
        nodecl_t upper;
        char is_undefined;
    } array_spec_list[MCXX_MAX_ARRAY_SPECIFIER] = { { nodecl_null(), nodecl_null(), 0 }  };

    int array_spec_idx;
    for (array_spec_idx = MCXX_MAX_ARRAY_SPECIFIER - 1; 
            fortran_is_array_type(t);
            array_spec_idx--)
    {
        if (array_spec_idx < 0)
        {
            internal_error("too many array dimensions %d\n", MCXX_MAX_ARRAY_SPECIFIER);
        }

        if (!array_type_is_unknown_size(t))
        {
            array_spec_list[array_spec_idx].lower = array_type_get_array_lower_bound(t);
            array_spec_list[array_spec_idx].upper = array_type_get_array_upper_bound(t);
        }
        else
        {
            array_spec_list[array_spec_idx].is_undefined = 1;
        }

        t = array_type_get_element_type(t);
    }

    char is_array = (array_spec_idx != (MCXX_MAX_ARRAY_SPECIFIER - 1));

    if (is_bool_type(t)
            || is_integer_type(t)
            || is_floating_type(t)
            || is_double_type(t)
            || is_complex_type(t))
    {
        const char* type_name = NULL;
        char c[128] = { 0 };

        if (is_bool_type(t))
        {
            type_name = "LOGICAL";
        }
        else if (is_integer_type(t))
        {
            type_name = "INTEGER";
        }
        else if (is_floating_type(t))
        {
            type_name = "REAL";
        }
        else if (is_complex_type(t))
        {
            type_name = "COMPLEX";
        }
        else
        {
            internal_error("unreachable code", 0);
        }

        size_t size = type_get_size(t);
        if (is_floating_type(t))
        {
            // KIND of floats is their size in byes (using the bits as in IEEE754) 
            size = (floating_type_get_info(t)->bits) / 8;
        }
        else if (is_complex_type(t))
        {
            // KIND of a complex is the KIND of its component type
            type_t* f = complex_type_get_base_type(t);
            size = (floating_type_get_info(f)->bits) / 8;
        }

        snprintf(c, 127, "%s(%zd)", type_name, size);
        c[127] = '\0';

        result = uniquestr(c);
    }
    else if (is_class_type(t))
    {
        scope_entry_t* entry = named_type_get_symbol(t);
        char c[128] = { 0 };
        snprintf(c, 127, "TYPE(%s)", 
                entry->symbol_name);
        c[127] = '\0';

        result = uniquestr(c);
    }
    else if (fortran_is_character_type(t))
    {
        nodecl_t length = array_type_get_array_size_expr(t);
        char c[128] = { 0 };
        snprintf(c, 127, "CHARACTER(LEN=%s)",
                nodecl_is_null(length) ? "*" : codegen_to_str(length, nodecl_retrieve_context(length)));
        c[127] = '\0';
        result = uniquestr(c);
    }
    else if (is_function_type(t))
    {
        result = "PROCEDURE";
    }
    else
    {
        const char* non_printable = NULL;
        uniquestr_sprintf(&non_printable, "non-fortran type '%s'", print_declarator(t));
        return non_printable;
    }

    if (is_pointer)
    {
        result = strappend(result, ", POINTER");
    }

    if (is_array)
    {
        array_spec_idx++;
        result = strappend(result, ", DIMENSION(");

        while (array_spec_idx <= (MCXX_MAX_ARRAY_SPECIFIER - 1))
        {
            if (!array_spec_list[array_spec_idx].is_undefined)
            {
                result = strappend(result, codegen_to_str(array_spec_list[array_spec_idx].lower, 
                            nodecl_retrieve_context(array_spec_list[array_spec_idx].lower)));
                result = strappend(result, ":");
                result = strappend(result, codegen_to_str(array_spec_list[array_spec_idx].upper, 
                            nodecl_retrieve_context(array_spec_list[array_spec_idx].upper)));
            }
            else
            {
                result = strappend(result, ":");
            }
            if ((array_spec_idx + 1) <= (MCXX_MAX_ARRAY_SPECIFIER - 1))
            {
                result = strappend(result, ", ");
            }
            array_spec_idx++;
        }

        result = strappend(result, ")");
    }

    return result;
}
Beispiel #3
0
static type_t* solve_spu_overload_name(scope_entry_t* overloaded_function, AST* arguments, int num_arguments)
{
    // Why people insists on having overload in C?
    char name[256];

    // From gcc source at maximum 16 are defined
    const int max_valid_overloads = 24;

    char found_match = 0;
    type_t* result = NULL;

    DEBUG_CODE()
    {
        fprintf(stderr, "SPU-BUILTIN: Trying to figure out the exact version of '%s' given the following %d arguments\n",
                overloaded_function->symbol_name,
                num_arguments);
        int j;
        for (j = 0; j < num_arguments; j++)
        {
            fprintf(stderr, "SPU-BUILTIN:     [%d] %s\n", j,
                    print_declarator(ASTExprType(arguments[j]), 
                        overloaded_function->decl_context));
        }
    }

    int i;
    for (i = 0; (i < max_valid_overloads) && !found_match; i++)
    {
        snprintf(name, 255, "%s_%d", overloaded_function->symbol_name, i);
        name[255] = '\0';
        scope_entry_list_t *entry_list = query_unqualified_name_str(overloaded_function->decl_context, name);

        // Let's assume no more overloads have been defined
        if (entry_list == NULL)
        {
            break;
        }

        scope_entry_t* current_entry = entry_list->entry;

        type_t* current_function_type = current_entry->type_information;

        DEBUG_CODE()
        {
            fprintf(stderr, "SPU-BUILTIN: Checking with builtin '%s' of type '%s'\n",
                    current_entry->symbol_name,
                    print_declarator(current_function_type, overloaded_function->decl_context));
        }

        if (!is_function_type(current_function_type))
        {
            internal_error("spu builtin '%s' without function type\n", current_entry);
        }

        // Don't know if this case is considered but let's be kind with this crazy SDK
        if (num_arguments != function_type_get_num_parameters(current_function_type))
        {
            continue;
        }

        int j;
        char all_arguments_matched = 1;
        for (j = 0; (j < num_arguments) && all_arguments_matched; j++)
        {
            type_t* argument_type = ASTExprType(arguments[j]);

            all_arguments_matched = all_arguments_matched 
                && equivalent_types(argument_type,
                        function_type_get_parameter_type_num(current_function_type, j),
                        overloaded_function->decl_context);
        }

        if (all_arguments_matched)
        {
            DEBUG_CODE()
            {
                fprintf(stderr, "SPU-BUILTIN: Builtin '%s' of type '%s' matched!\n",
                        current_entry->symbol_name,
                        print_declarator(current_function_type, overloaded_function->decl_context));
            }
            result = current_function_type;
            found_match = 1;
        }
    }

    return result;
}