# Copyright (C) 2013-2021 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# GCC testsuite that uses the `dg.exp' driver.

# Load support procs.
load_lib gfortran-dg.exp
load_lib target-supports.exp

# If a testcase doesn't have special options, use these.
global DEFAULT_FFLAGS
if ![info exists DEFAULT_FFLAGS] then {
    set DEFAULT_FFLAGS " -pedantic-errors"
}

# Initialize `dg'.
dg-init

# Flags for finding the IEEE modules
if [info exists TOOL_OPTIONS] {
   set specpath [get_multilibs ${TOOL_OPTIONS}]
} else {
   set specpath [get_multilibs]
}
set options "-fintrinsic-modules-path $specpath/libgfortran/"

# Bail out if IEEE tests are not supported at all
if ![check_effective_target_fortran_ieee $options ] {
 return
}

# Add target-independent options to require IEEE compatibility
set options "$DEFAULT_FFLAGS $options -fno-unsafe-math-optimizations -frounding-math -fsignaling-nans"

# Add target-specific options to require IEEE compatibility
set target_options [add_options_for_ieee ""]
set options "$options $target_options"

# Main loop.
gfortran-dg-runtest [lsort \
      [find $srcdir/$subdir *.\[fF\]{,90,95,03,08} ] ] "" $options

# All done.
dg-finish