#   Copyright (C) 2008-2021 Free Software Foundation, Inc.

# This program 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 of the License, or
# (at your option) any later version.
# 
# This program 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 `gcc-dg.exp' driver, looping over
# optimization options.

# Exit immediately if this isn't a AVR target.
if { ![istarget avr-*-*] } then {
  return
}

# Load support procs.
load_lib gcc-dg.exp

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

# Initialize `dg'.
dg-init

    set AVR_TORTURE_OPTIONS [list \
	{ -O0 } \
	{ -O1 } \
	{ -O2 } \
	{ -Os -flto } \
	{ -O2 -mcall-prologues } \
	{ -O2 -fdata-sections } \
	{ -O2 -fmerge-all-constants } \
	{ -Os -fomit-frame-pointer } \
	{ -Os -fomit-frame-pointer -finline-functions } \
	{ -O3 -g } \
	{ -Os -mcall-prologues} ]


#Initialize use of torture lists. 
torture-init

set-torture-options $AVR_TORTURE_OPTIONS


# Main loop.
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{\[cS\],cpp}]] "" $DEFAULT_CFLAGS

# Finalize use of torture lists.
torture-finish

# All done.
dg-finish