# Copyright (C) 1992-1998, 1999, 2000, 2007, 2008, 2010 # 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 # . # 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 # The default option list can be overridden by # TORTURE_OPTIONS="{ { list1 } ... { listN } }" 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 } \ { -O3 -fomit-frame-pointer -funroll-loops } \ { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \ { -O3 -g } \ { -Os } ] } if [info exists ADDITIONAL_TORTURE_OPTIONS] { set C_TORTURE_OPTIONS \ [concat $C_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS] } set LTO_TORTURE_OPTIONS "" 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 } ] } } 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 $GCC_UNDER_TEST] set_ld_library_path_env_vars } # # c-torture-compile -- runs the Tege C-torture test # # SRC is the full pathname of the testcase. # OPTION is the specific compiler flag we're testing (eg: -O2). # proc c-torture-compile { src option } { global output global srcdir tmpdir global host_triplet set output "$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" } }