| # Copyright (C) 1992-2021 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/>. |
| |
| # This file was written by Rob Savoye. (rob@cygnus.com) |
| |
| load_lib target-supports.exp |
| load_lib file-format.exp |
| load_lib target-libpath.exp |
| load_lib target-utils.exp |
| |
| global GCC_UNDER_TEST |
| if ![info exists GCC_UNDER_TEST] { |
| set GCC_UNDER_TEST "[find_gcc]" |
| } |
| |
| global orig_environment_saved |
| |
| # This file may be sourced, so don't override environment settings |
| # that have been previously setup. |
| if { $orig_environment_saved == 0 } { |
| append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST] |
| set_ld_library_path_env_vars |
| } |
| |
| # The default option list can be overridden by |
| # TORTURE_OPTIONS="{ list1 } ... { listN }" |
| |
| set LTO_TORTURE_OPTIONS "" |
| if [info exists TORTURE_OPTIONS] { |
| set C_TORTURE_OPTIONS $TORTURE_OPTIONS |
| } else { |
| # It is theoretically beneficial to group all of the O2/O3 options together, |
| # as in many cases the compiler will generate identical executables for |
| # all of them--and the c-torture testsuite will skip testing identical |
| # executables multiple times. |
| # Also note that -finline-functions is explicitly included in one of the |
| # items below, even though -O3 is also specified, because some ports may |
| # choose to disable inlining functions by default, even when optimizing. |
| set C_TORTURE_OPTIONS [list \ |
| { -O0 } \ |
| { -O1 } \ |
| { -O2 } \ |
| { -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions } \ |
| { -O3 -g } \ |
| { -Os } \ |
| { -Og -g } ] |
| |
| if [check_effective_target_lto] { |
| # When having plugin test both slim and fat LTO and plugin/nonplugin |
| # path. |
| if [check_linker_plugin_available] { |
| set LTO_TORTURE_OPTIONS [list \ |
| { -O2 -flto -fno-use-linker-plugin -flto-partition=none } \ |
| { -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects } |
| ] |
| } else { |
| set LTO_TORTURE_OPTIONS [list \ |
| { -O2 -flto -flto-partition=none } \ |
| { -O2 -flto } |
| ] |
| } |
| } |
| } |
| |
| if [info exists ADDITIONAL_TORTURE_OPTIONS] { |
| set C_TORTURE_OPTIONS \ |
| [concat $C_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS] |
| } |
| |
| # |
| # c-torture-compile -- runs the Tege C-torture test |
| # |
| # SRC is the full pathname of the testcase. |
| # OPTION is the specific compiler flag we're testing (eg: -O2). |
| # |
| proc c-torture-compile { src option } { |
| global output |
| global srcdir tmpdir |
| global host_triplet |
| |
| set output "$tmpdir/[file tail [file rootname $src]].o" |
| |
| regsub "(?q)$srcdir/" $src "" testcase |
| # If we couldn't rip $srcdir out of `src' then just do the best we can. |
| # The point is to reduce the unnecessary noise in the logs. Don't strip |
| # out too much because different testcases with the same name can confuse |
| # `test-tool'. |
| if [string match "/*" $testcase] { |
| set testcase "[file tail [file dirname $src]]/[file tail $src]" |
| } |
| |
| verbose "Testing $testcase, $option" 1 |
| |
| # Run the compiler and analyze the results. |
| set options "" |
| lappend options "additional_flags=-w $option" |
| |
| set comp_output [gcc_target_compile "$src" "$output" object $options] |
| gcc_check_compile $testcase $option $output $comp_output |
| file_on_host delete $output |
| } |
| |
| # |
| # c-torture-execute -- utility to compile and execute a testcase |
| # |
| # SOURCES is a list of full pathnames to the test source files. |
| # The first filename in this list forms the "testcase". |
| # |
| # If the testcase has an associated .x file, we source that to run the |
| # test instead. We use .x so that we don't lengthen the existing filename |
| # to more than 14 chars. |
| # |
| proc c-torture-execute { sources args } { |
| global tmpdir tool srcdir output compiler_conditional_xfail_data |
| |
| # Use the first source filename given as the filename under test. |
| set src [lindex $sources 0] |
| |
| if { [llength $args] > 0 } { |
| set additional_flags [lindex $args 0] |
| } else { |
| set additional_flags "" |
| } |
| # Check for alternate driver. |
| if [file exists [file rootname $src].x] { |
| verbose "Using alternate driver [file rootname [file tail $src]].x" 2 |
| set done_p 0 |
| catch "set done_p \[source [file rootname $src].x\]" |
| if { $done_p } { |
| return |
| } |
| } |
| |
| # Look for a loop within the source code - if we don't find one, |
| # don't pass -funroll[-all]-loops. |
| global torture_with_loops torture_without_loops |
| if [expr [search_for $src "for*("]+[search_for $src "while*("]] then { |
| set option_list $torture_with_loops |
| } else { |
| set option_list $torture_without_loops |
| } |
| |
| set executable $tmpdir/[file tail [file rootname $src].x] |
| |
| regsub "(?q)$srcdir/" $src "" testcase |
| # If we couldn't rip $srcdir out of `src' then just do the best we can. |
| # The point is to reduce the unnecessary noise in the logs. Don't strip |
| # out too much because different testcases with the same name can confuse |
| # `test-tool'. |
| if [string match "/*" $testcase] { |
| set testcase "[file tail [file dirname $src]]/[file tail $src]" |
| } |
| |
| set count 0 |
| set oldstatus "foo" |
| foreach option $option_list { |
| if { $count > 0 } { |
| set oldexec $execname |
| } |
| set execname "${executable}${count}" |
| incr count |
| |
| # torture_{compile,execute}_xfail are set by the .x script |
| # (if present) |
| if [info exists torture_compile_xfail] { |
| setup_xfail $torture_compile_xfail |
| } |
| |
| # torture_execute_before_{compile,execute} can be set by the .x script |
| # (if present) |
| if [info exists torture_eval_before_compile] { |
| set ignore_me [eval $torture_eval_before_compile] |
| } |
| |
| file_on_host delete $execname |
| verbose "Testing $testcase, $option" 1 |
| |
| set options "" |
| lappend options "additional_flags=-w $option" |
| if { $additional_flags != "" } { |
| lappend options "additional_flags=$additional_flags" |
| } |
| set comp_output [gcc_target_compile "$sources" "${execname}" executable $options] |
| |
| if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] { |
| unresolved "$testcase execution, $option" |
| file_on_host delete $execname |
| continue |
| } |
| |
| # See if this source file uses "long long" types, if it does, and |
| # no_long_long is set, skip execution of the test. |
| if [target_info exists no_long_long] then { |
| if [expr [search_for $src "long long"]] then { |
| unsupported "$testcase execution, $option" |
| continue |
| } |
| } |
| |
| if [info exists torture_execute_xfail] { |
| setup_xfail $torture_execute_xfail |
| } |
| |
| if [info exists torture_eval_before_execute] { |
| set ignore_me [eval $torture_eval_before_execute] |
| } |
| |
| |
| # Sometimes we end up creating identical executables for two |
| # consecutive sets of different of compiler options. |
| # |
| # In such cases we know the result of this test will be identical |
| # to the result of the last test. |
| # |
| # So in cases where the time to load and run/simulate the test |
| # is relatively high, compare the two binaries and avoid rerunning |
| # tests if the executables are identical. |
| # |
| # Do not do this for native testing since the cost to load/execute |
| # the test is fairly small and the comparison step actually slows |
| # the entire process down because it usually does not "hit". |
| set skip 0 |
| if { ![isnative] && [info exists oldexec] } { |
| if { [file_on_host cmp $oldexec $execname] == 0 } { |
| set skip 1 |
| } |
| } |
| if { $skip == 0 } { |
| set result [gcc_load "$execname" "" ""] |
| set status [lindex $result 0] |
| set output [lindex $result 1] |
| } |
| if { $oldstatus == "pass" } { |
| file_on_host delete $oldexec |
| } |
| $status "$testcase execution, $option" |
| set oldstatus $status |
| } |
| if [info exists status] { |
| if { $status == "pass" } { |
| file_on_host delete $execname |
| } |
| } |
| } |
| |
| # |
| # search_for -- looks for a string match in a file |
| # |
| proc search_for { file pattern } { |
| set fd [open $file r] |
| while { [gets $fd cur_line]>=0 } { |
| if [string match "*$pattern*" $cur_line] then { |
| close $fd |
| return 1 |
| } |
| } |
| close $fd |
| return 0 |
| } |
| |
| # |
| # c-torture -- the c-torture testcase source file processor |
| # |
| # This runs compilation only tests (no execute tests). |
| # SRC is the full pathname of the testcase, or just a file name in which case |
| # we prepend $srcdir/$subdir. |
| # |
| # If the testcase has an associated .x file, we source that to run the |
| # test instead. We use .x so that we don't lengthen the existing filename |
| # to more than 14 chars. |
| # |
| proc c-torture { args } { |
| global srcdir subdir compiler_conditional_xfail_data |
| |
| set src [lindex $args 0] |
| if { [llength $args] > 1 } { |
| set options [lindex $args 1] |
| } else { |
| set options "" |
| } |
| |
| # Prepend $srdir/$subdir if missing. |
| if ![string match "*/*" $src] { |
| set src "$srcdir/$subdir/$src" |
| } |
| |
| # Check for alternate driver. |
| if [file exists [file rootname $src].x] { |
| verbose "Using alternate driver [file rootname [file tail $src]].x" 2 |
| set done_p 0 |
| catch "set done_p \[source [file rootname $src].x\]" |
| if { $done_p } { |
| return |
| } |
| } |
| |
| # Look for a loop within the source code - if we don't find one, |
| # don't pass -funroll[-all]-loops. |
| global torture_with_loops torture_without_loops |
| if [expr [search_for $src "for*("]+[search_for $src "while*("]] then { |
| set option_list $torture_with_loops |
| } else { |
| set option_list $torture_without_loops |
| } |
| |
| # loop through all the options |
| foreach option $option_list { |
| # torture_compile_xfail is set by the .x script (if present) |
| if [info exists torture_compile_xfail] { |
| setup_xfail $torture_compile_xfail |
| } |
| |
| # torture_execute_before_compile is set by the .x script (if present) |
| if [info exists torture_eval_before_compile] { |
| set ignore_me [eval $torture_eval_before_compile] |
| } |
| |
| c-torture-compile $src "$option $options" |
| } |
| } |