1 # Copyright (C) 1992-1998, 1999, 2000, 2007 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with GCC; see the file COPYING3. If not see
15 # <http://www.gnu.org/licenses/>.
17 # This file was written by Rob Savoye. (rob@cygnus.com)
19 load_lib file-format.exp
20 load_lib target-libpath.exp
22 # The default option list can be overridden by
23 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
25 if [info exists TORTURE_OPTIONS] {
26 set C_TORTURE_OPTIONS $TORTURE_OPTIONS
28 # It is theoretically beneficial to group all of the O2/O3 options together,
29 # as in many cases the compiler will generate identical executables for
30 # all of them--and the c-torture testsuite will skip testing identical
31 # executables multiple times.
32 # Also note that -finline-functions is explicitly included in one of the
33 # items below, even though -O3 is also specified, because some ports may
34 # choose to disable inlining functions by default, even when optimizing.
35 set C_TORTURE_OPTIONS [list \
39 { -O3 -fomit-frame-pointer } \
40 { -O3 -fomit-frame-pointer -funroll-loops } \
41 { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \
47 if ![info exists GCC_UNDER_TEST] {
48 set GCC_UNDER_TEST "[find_gcc]"
51 global orig_environment_saved
53 # This file may be sourced, so don't override environment settings
54 # that have been previously setup.
55 if { $orig_environment_saved == 0 } {
56 append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
57 set_ld_library_path_env_vars
61 # c-torture-compile -- runs the Tege C-torture test
63 # SRC is the full pathname of the testcase.
64 # OPTION is the specific compiler flag we're testing (eg: -O2).
66 proc c-torture-compile { src option } {
71 set output "$tmpdir/[file tail [file rootname $src]].o"
73 regsub "(?q)$srcdir/" $src "" testcase
74 # If we couldn't rip $srcdir out of `src' then just do the best we can.
75 # The point is to reduce the unnecessary noise in the logs. Don't strip
76 # out too much because different testcases with the same name can confuse
78 if [string match "/*" $testcase] {
79 set testcase "[file tail [file dirname $src]]/[file tail $src]"
82 verbose "Testing $testcase, $option" 1
84 # Run the compiler and analyze the results.
86 lappend options "additional_flags=-w $option"
88 set comp_output [gcc_target_compile "$src" "$output" object $options]
89 gcc_check_compile $testcase $option $output $comp_output
90 file_on_host delete $output
94 # c-torture-execute -- utility to compile and execute a testcase
96 # SOURCES is a list of full pathnames to the test source files.
97 # The first filename in this list forms the "testcase".
99 # If the testcase has an associated .x file, we source that to run the
100 # test instead. We use .x so that we don't lengthen the existing filename
101 # to more than 14 chars.
103 proc c-torture-execute { sources args } {
104 global tmpdir tool srcdir output compiler_conditional_xfail_data
106 # Use the first source filename given as the filename under test.
107 set src [lindex $sources 0]
109 if { [llength $args] > 0 } {
110 set additional_flags [lindex $args 0]
112 set additional_flags ""
114 # Check for alternate driver.
115 if [file exists [file rootname $src].x] {
116 verbose "Using alternate driver [file rootname [file tail $src]].x" 2
118 catch "set done_p \[source [file rootname $src].x\]"
124 # Look for a loop within the source code - if we don't find one,
125 # don't pass -funroll[-all]-loops.
126 global torture_with_loops torture_without_loops
127 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
128 set option_list $torture_with_loops
130 set option_list $torture_without_loops
133 set executable $tmpdir/[file tail [file rootname $src].x]
135 regsub "(?q)$srcdir/" $src "" testcase
136 # If we couldn't rip $srcdir out of `src' then just do the best we can.
137 # The point is to reduce the unnecessary noise in the logs. Don't strip
138 # out too much because different testcases with the same name can confuse
140 if [string match "/*" $testcase] {
141 set testcase "[file tail [file dirname $src]]/[file tail $src]"
146 foreach option $option_list {
148 set oldexec $execname
150 set execname "${executable}${count}"
153 # torture_{compile,execute}_xfail are set by the .x script
155 if [info exists torture_compile_xfail] {
156 setup_xfail $torture_compile_xfail
159 # torture_execute_before_{compile,execute} can be set by the .x script
161 if [info exists torture_eval_before_compile] {
162 set ignore_me [eval $torture_eval_before_compile]
165 file_on_host delete $execname
166 verbose "Testing $testcase, $option" 1
169 lappend options "additional_flags=-w $option"
170 if { $additional_flags != "" } {
171 lappend options "additional_flags=$additional_flags"
173 set comp_output [gcc_target_compile "$sources" "${execname}" executable $options]
175 if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] {
176 unresolved "$testcase execution, $option"
177 file_on_host delete $execname
181 # See if this source file uses "long long" types, if it does, and
182 # no_long_long is set, skip execution of the test.
183 if [target_info exists no_long_long] then {
184 if [expr [search_for $src "long long"]] then {
185 unsupported "$testcase execution, $option"
190 if [info exists torture_execute_xfail] {
191 setup_xfail $torture_execute_xfail
194 if [info exists torture_eval_before_execute] {
195 set ignore_me [eval $torture_eval_before_execute]
199 # Sometimes we end up creating identical executables for two
200 # consecutive sets of different of compiler options.
202 # In such cases we know the result of this test will be identical
203 # to the result of the last test.
205 # So in cases where the time to load and run/simulate the test
206 # is relatively high, compare the two binaries and avoid rerunning
207 # tests if the executables are identical.
209 # Do not do this for native testing since the cost to load/execute
210 # the test is fairly small and the comparison step actually slows
211 # the entire process down because it usually does not "hit".
213 if { ![isnative] && [info exists oldexec] } {
214 if { [file_on_host cmp $oldexec $execname] == 0 } {
219 set result [gcc_load "$execname" "" ""]
220 set status [lindex $result 0]
221 set output [lindex $result 1]
223 if { $oldstatus == "pass" } {
224 file_on_host delete $oldexec
226 $status "$testcase execution, $option"
227 set oldstatus $status
229 if [info exists status] {
230 if { $status == "pass" } {
231 file_on_host delete $execname
237 # search_for -- looks for a string match in a file
239 proc search_for { file pattern } {
240 set fd [open $file r]
241 while { [gets $fd cur_line]>=0 } {
242 if [string match "*$pattern*" $cur_line] then {
252 # c-torture -- the c-torture testcase source file processor
254 # This runs compilation only tests (no execute tests).
255 # SRC is the full pathname of the testcase, or just a file name in which case
256 # we prepend $srcdir/$subdir.
258 # If the testcase has an associated .x file, we source that to run the
259 # test instead. We use .x so that we don't lengthen the existing filename
260 # to more than 14 chars.
262 proc c-torture { args } {
263 global srcdir subdir compiler_conditional_xfail_data
265 set src [lindex $args 0]
266 if { [llength $args] > 1 } {
267 set options [lindex $args 1]
272 # Prepend $srdir/$subdir if missing.
273 if ![string match "*/*" $src] {
274 set src "$srcdir/$subdir/$src"
277 # Check for alternate driver.
278 if [file exists [file rootname $src].x] {
279 verbose "Using alternate driver [file rootname [file tail $src]].x" 2
281 catch "set done_p \[source [file rootname $src].x\]"
287 # Look for a loop within the source code - if we don't find one,
288 # don't pass -funroll[-all]-loops.
289 global torture_with_loops torture_without_loops
290 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
291 set option_list $torture_with_loops
293 set option_list $torture_without_loops
296 # loop through all the options
297 foreach option $option_list {
298 # torture_compile_xfail is set by the .x script (if present)
299 if [info exists torture_compile_xfail] {
300 setup_xfail $torture_compile_xfail
303 # torture_execute_before_compile is set by the .x script (if present)
304 if [info exists torture_eval_before_compile] {
305 set ignore_me [eval $torture_eval_before_compile]
308 c-torture-compile $src "$option $options"