llvm-project/flang/module/__fortran_builtins.f90

66 lines
2.1 KiB
Fortran

!===-- module/__fortran_builtins.f90 ---------------------------------------===!
!
! Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
! See https://llvm.org/LICENSE.txt for license information.
! SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
!
!===------------------------------------------------------------------------===!
! These naming shenanigans prevent names from Fortran intrinsic modules
! from being usable on INTRINSIC statements, and force the program
! to USE the standard intrinsic modules in order to access the
! standard names of the procedures.
module __Fortran_builtins
intrinsic :: __builtin_c_f_pointer
intrinsic :: sizeof ! extension
intrinsic :: selected_int_kind
private :: selected_int_kind
integer, parameter, private :: int64 = selected_int_kind(18)
type :: __builtin_c_ptr
integer(kind=int64) :: __address
end type
type :: __builtin_c_funptr
integer(kind=int64) :: __address
end type
type :: __builtin_event_type
integer(kind=int64) :: __count
end type
type :: __builtin_lock_type
integer(kind=int64) :: __count
end type
type :: __builtin_team_type
integer(kind=int64) :: __id
end type
procedure(type(__builtin_c_ptr)) :: __builtin_c_loc
intrinsic :: __builtin_ieee_is_nan, __builtin_ieee_is_normal, &
__builtin_ieee_is_negative
intrinsic :: __builtin_ieee_next_after, __builtin_ieee_next_down, &
__builtin_ieee_next_up
intrinsic :: scale ! for ieee_scalb
intrinsic :: __builtin_ieee_selected_real_kind
intrinsic :: __builtin_ieee_support_datatype, &
__builtin_ieee_support_denormal, __builtin_ieee_support_divide, &
__builtin_ieee_support_inf, __builtin_ieee_support_io, &
__builtin_ieee_support_nan, __builtin_ieee_support_sqrt, &
__builtin_ieee_support_standard, __builtin_ieee_support_subnormal, &
__builtin_ieee_support_underflow_control
type, private :: __force_derived_type_instantiations
type(__builtin_c_ptr) :: c_ptr
type(__builtin_c_funptr) :: c_funptr
type(__builtin_event_type) :: event_type
type(__builtin_lock_type) :: lock_type
type(__builtin_team_type) :: team_type
end type
end module