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1 # Copyright (C) 2003-2020 Free Software Foundation, Inc.
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2 #
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3 # This file is part of GCC.
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4 #
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5 # GCC is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 3, or (at your option)
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8 # any later version.
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9 #
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10 # GCC is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with GCC; see the file COPYING3. If not see
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17 # <http://www.gnu.org/licenses/>.
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18
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19 # This harness is for testing builtin support. Each test has two files:
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20 #
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21 # - foo.c defines the main testing function, main_test().
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22 # - foo-lib.c implements the library functions that foo.c is testing.
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23 #
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24 # The functions in foo-lib.c will often want to abort on certain inputs.
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25 # They can use the global variable inside_main to see whether they are
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26 # being called from the test program or part of the common runtime.
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27 #
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28 # In many cases, the library functions will behave as normal at -O0
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29 # and abort when optimisation is enabled. Such implementations should
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30 # go into the lib/ directory so that they can be included by any test
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31 # that needs them. They shouldn't call any external functions in case
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32 # those functions were overridden too.
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33
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34 load_lib torture-options.exp
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35 load_lib c-torture.exp
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36
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37 torture-init
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38 set-torture-options $C_TORTURE_OPTIONS {{}} $LTO_TORTURE_OPTIONS
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39
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40 set additional_flags "-fno-tree-dse -fno-tree-loop-distribute-patterns -fno-tracer -fno-ipa-ra -fno-inline-functions"
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41 if [istarget "powerpc-*-darwin*"] {
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42 lappend additional_flags "-Wl,-multiply_defined,suppress"
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43 }
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44 if { [istarget *-*-eabi*]
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45 || [istarget *-*-elf]
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46 || [istarget *-*-mingw*]
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47 || [istarget *-*-rtems*] } {
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48 lappend additional_flags "-Wl,--allow-multiple-definition"
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49 }
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50
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51 foreach src [lsort [find $srcdir/$subdir *.c]] {
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52 if {![string match *-lib.c $src] && [runtest_file_p $runtests $src]} {
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53 c-torture-execute [list $src \
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54 [file root $src]-lib.c \
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55 $srcdir/$subdir/lib/main.c] \
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56 $additional_flags
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57 }
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58 }
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59
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60 torture-finish
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