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[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / torture / stackalign / stackalign.exp

# Copyright (C) 2008-2016 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/>.

# This harness is for tests that should be run at all optimisation levels.

load_lib gcc-dg.exp
load_lib torture-options.exp

global DG_TORTURE_OPTIONS LTO_TORTURE_OPTIONS

dg-init
torture-init

# default_flags are replaced by a dg-options test directive, or appended
# to by using dg-additional-options.  Use default_flags for options that
# are used in all of the torture sets to limit the amount of noise in
# test summaries.
set default_flags ""

# torture_flags are combined with other torture options and do not
# affect options specified within a test.
set torture_flags ""

set stackalign_options [list]
if { [check_effective_target_automatic_stack_alignment] } then {
    append default_flags " -mstackrealign"
    append default_flags " -mpreferred-stack-boundary=5"
}
if { [istarget i?86*-*-*] || [istarget x86_64-*-*] } then {
    append default_flags " -mno-mmx"
}
lappend stackalign_options [join $torture_flags]

if { [check_effective_target_fpic] } then {
    set pic_torture_flags $torture_flags
    append pic_torture_flags " -fpic"
    lappend stackalign_options [join $pic_torture_flags]
}

if { [check_effective_target_automatic_stack_alignment] } then {
    append torture_flags " -mforce-drap"
    lappend stackalign_options [join $torture_flags]
    if { [check_effective_target_fpic] } then {
	set pic_torture_flags $torture_flags
	append pic_torture_flags " -fpic"
	lappend stackalign_options [join $pic_torture_flags]
    }
}

# Combine stackalign options with the usual torture optimization flags.
set-torture-options [concat $DG_TORTURE_OPTIONS $LTO_TORTURE_OPTIONS] $stackalign_options

gcc-dg-runtest [lsort [glob $srcdir/$subdir/*.c]] "" "$default_flags"

torture-finish
dg-finish