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

   1 #  Regression driver for SLS mitigation on AArch64.
   2 #  Copyright (C) 2020-2023 Free Software Foundation, Inc.
   3 #  Contributed by ARM Ltd.
   4 #
   5 #  This file is part of GCC.
   6 #
   7 #  GCC is free software; you can redistribute it and/or modify it
   8 #  under the terms of the GNU General Public License as published by
   9 #  the Free Software Foundation; either version 3, or (at your option)
  10 #  any later version.
  11 #
  12 #  GCC is distributed in the hope that it will be useful, but
  13 #  WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 #  General Public License for more details.
  16 #
  17 #  You should have received a copy of the GNU General Public License
  18 #  along with GCC; see the file COPYING3.  If not see
  19 #  <http://www.gnu.org/licenses/>.  */
  20
  21 # Exit immediately if this isn't an AArch64 target.
  22 if {![istarget aarch64*-*-*] } then {
  23   return
  24 }
  25
  26 # Load support procs.
  27 load_lib gcc-dg.exp
  28 load_lib torture-options.exp
  29
  30 # If a testcase doesn't have special options, use these.
  31 global DEFAULT_CFLAGS
  32 if ![info exists DEFAULT_CFLAGS] then {
  33     set DEFAULT_CFLAGS " "
  34 }
  35
  36 # Initialize `dg'.
  37 dg-init
  38 torture-init
  39
  40 # Use different architectures as well as the normal optimisation options.
  41 # (i.e. use both SB and DSB+ISB barriers).
  42
  43 set save-dg-do-what-default ${dg-do-what-default}
  44 # Main loop.
  45 # Run with torture tests (i.e. a bunch of different optimisation levels) just
  46 # to increase test coverage.
  47 set dg-do-what-default assemble
  48 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cCS\]]] \
  49         "-save-temps" $DEFAULT_CFLAGS
  50
  51 # Run the same tests but this time with SB extension.
  52 # Since not all supported assemblers will support that extension we decide
  53 # whether to assemble or just compile based on whether the extension is
  54 # supported for the available assembler.
  55
  56 set templist {}
  57 foreach x $DG_TORTURE_OPTIONS {
  58   lappend templist "$x -march=armv8.3-a+sb "
  59   lappend templist "$x -march=armv8-a+sb "
  60 }
  61 set-torture-options $templist
  62 if { [check_effective_target_aarch64_asm_sb_ok] } {
  63     set dg-do-what-default assemble
  64 } else {
  65     set dg-do-what-default compile
  66 }
  67 gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.\[cCS\]]] \
  68         "-save-temps" $DEFAULT_CFLAGS
  69 set dg-do-what-default ${save-dg-do-what-default}
  70
  71 # All done.
  72 torture-finish
  73 dg-finish