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Diffstat (limited to 'gcc/testsuite/lib/c-torture.exp')
| -rw-r--r-- | gcc/testsuite/lib/c-torture.exp | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/gcc/testsuite/lib/c-torture.exp b/gcc/testsuite/lib/c-torture.exp new file mode 100644 index 000000000..5274e8b44 --- /dev/null +++ b/gcc/testsuite/lib/c-torture.exp @@ -0,0 +1,325 @@ +# 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 +# <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 + +# 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] { + 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" + } +} |