gcc/testsuite/gcc.target/aarch64/sls-mitigation/sls-mitigation.exp

#  Regression driver for SLS mitigation on AArch64.
#  Copyright (C) 2020-2021 Free Software Foundation, Inc.
#  Contributed by ARM Ltd.
#
#  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/>.  */

# Exit immediately if this isn't an AArch64 target.
if {![istarget aarch64*-*-*] } then {
  return
}

# Load support procs.
load_lib gcc-dg.exp
load_lib torture-options.exp

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

# Initialize `dg'.
dg-init
torture-init

# Use different architectures as well as the normal optimisation options.
# (i.e. use both SB and DSB+ISB barriers).

set save-dg-do-what-default ${dg-do-what-default}
# Main loop.
# Run with torture tests (i.e. a bunch of different optimisation levels) just
# to increase test coverage.
set dg-do-what-default assemble
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cCS\]]] \
	"-save-temps" $DEFAULT_CFLAGS

# Run the same tests but this time with SB extension.
# Since not all supported assemblers will support that extension we decide
# whether to assemble or just compile based on whether the extension is
# supported for the available assembler.

set templist {}
foreach x $DG_TORTURE_OPTIONS {
  lappend templist "$x -march=armv8.3-a+sb "
  lappend templist "$x -march=armv8-a+sb "
}
set-torture-options $templist
if { [check_effective_target_aarch64_asm_sb_ok] } {
    set dg-do-what-default assemble
} else {
    set dg-do-what-default compile
}
gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cCS\]]] \
	"-save-temps" $DEFAULT_CFLAGS
set dg-do-what-default ${save-dg-do-what-default}

# All done.
torture-finish
dg-finish