1 # Copyright
(C
) 1992-2014 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 target
-supports.exp
20 load_lib file
-format.exp
21 load_lib target
-libpath.exp
23 # The default option list can be overridden by
24 # TORTURE_OPTIONS
="{ { list1 } ... { listN } }"
26 if [info exists TORTURE_OPTIONS
] {
27 set C_TORTURE_OPTIONS $TORTURE_OPTIONS
29 # It is theoretically beneficial to group all of the O2
/O3 options together
,
30 # as in many cases the compiler will generate identical executables
for
31 # all of them
--and the c
-torture testsuite will skip testing identical
32 # executables multiple times.
33 # Also note that
-finline
-functions is explicitly included in one of the
34 # items below
, even though
-O3 is also specified
, because some ports may
35 # choose to disable inlining functions by default
, even when optimizing.
36 set C_TORTURE_OPTIONS
[list \
40 { -O3
-fomit
-frame
-pointer
} \
41 { -O3
-fomit
-frame
-pointer
-funroll
-loops
} \
42 { -O3
-fomit
-frame
-pointer
-funroll
-all
-loops
-finline
-functions
} \
48 if [info exists ADDITIONAL_TORTURE_OPTIONS
] {
49 set C_TORTURE_OPTIONS \
50 [concat $C_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS
]
53 set LTO_TORTURE_OPTIONS
""
54 if [check_effective_target_lto
] {
55 # When having plugin test both slim and fat LTO and plugin
/nonplugin
57 if [check_linker_plugin_available
] {
58 set LTO_TORTURE_OPTIONS
[list \
59 { -O2
-flto
-fno
-use
-linker
-plugin
-flto
-partition
=none } \
60 { -O2
-flto
-fuse
-linker
-plugin
-fno
-fat
-lto
-objects
}
63 set LTO_TORTURE_OPTIONS
[list \
64 { -O2
-flto
-flto
-partition
=none } \
71 if ![info exists GCC_UNDER_TEST
] {
72 set GCC_UNDER_TEST
"[find_gcc]"
75 global orig_environment_saved
77 # This file may be sourced
, so don
't override environment settings
78 # that have been previously setup.
79 if { $orig_environment_saved == 0 } {
80 append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
81 set_ld_library_path_env_vars
85 # c-torture-compile -- runs the Tege C-torture test
87 # SRC is the full pathname of the testcase.
88 # OPTION is the specific compiler flag we're testing
(eg
: -O2
).
90 proc c
-torture
-compile { src option
} {
95 set output
"$tmpdir/[file tail [file rootname $src]].o"
97 regsub
"(?q)$srcdir/" $src "" testcase
98 #
If we couldn
't rip $srcdir out of `src' then just
do the best we can.
99 # The point is to reduce the unnecessary noise in the logs. Don
't strip
100 # out too much because different testcases with the same name can confuse
102 if [string match
"/*" $testcase] {
103 set testcase
"[file tail [file dirname $src]]/[file tail $src]"
106 verbose
"Testing $testcase, $option" 1
108 # Run the compiler and analyze the results.
110 lappend options
"additional_flags=-w $option"
112 set comp_output
[gcc_target_compile
"$src" "$output" object $options]
113 gcc_check_compile $testcase $option $output $comp_output
114 file_on_host
delete $output
118 # c
-torture
-execute -- utility to
compile and
execute a testcase
120 # SOURCES is a list of full pathnames to the test source files.
121 # The first filename in this list forms the
"testcase".
123 #
If the testcase has an associated .x file
, we source that to run the
124 # test instead. We use .x so that we don
't lengthen the existing filename
125 # to more than 14 chars.
127 proc c-torture-execute { sources args } {
128 global tmpdir tool srcdir output compiler_conditional_xfail_data
130 # Use the first source filename given as the filename under test.
131 set src [lindex $sources 0]
133 if { [llength $args] > 0 } {
134 set additional_flags [lindex $args 0]
136 set additional_flags ""
138 # Check for alternate driver.
139 if [file exists [file rootname $src].x] {
140 verbose "Using alternate driver [file rootname [file tail $src]].x" 2
142 catch "set done_p \[source [file rootname $src].x\]"
148 # Look for a loop within the source code - if we don't find one
,
149 # don
't pass -funroll[-all]-loops.
150 global torture_with_loops torture_without_loops
151 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
152 set option_list $torture_with_loops
154 set option_list $torture_without_loops
157 set executable $tmpdir/[file tail [file rootname $src].x]
159 regsub "(?q)$srcdir/" $src "" testcase
160 # If we couldn't rip $srcdir out of `src
' then just do the best we can.
161 # The point is to reduce the unnecessary noise in the logs. Don't
strip
162 # out too much because different testcases with the same
name can confuse
164 if [string match "/*" $testcase] {
165 set testcase "[file tail [file dirname $src]]/[file tail $src]"
170 foreach option $option_list {
172 set oldexec $execname
174 set execname "${executable}${count}"
177 # torture_{compile,execute}_xfail are set by the .x script
179 if [info exists torture_compile_xfail] {
180 setup_xfail $torture_compile_xfail
183 # torture_execute_before_{compile,execute} can be set by the .x script
185 if [info exists torture_eval_before_compile] {
186 set ignore_me [eval $torture_eval_before_compile]
189 file_on_host delete $execname
190 verbose "Testing $testcase, $option" 1
193 lappend options "additional_flags=-w $option"
194 if { $additional_flags != "" } {
195 lappend options "additional_flags=$additional_flags"
197 set comp_output [gcc_target_compile "$sources" "${execname}" executable $options]
199 if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] {
200 unresolved "$testcase execution, $option"
201 file_on_host delete $execname
205 # See if this source file uses "long long" types, if it does, and
206 # no_long_long is set, skip execution of the test.
207 if [target_info exists no_long_long] then {
208 if [expr [search_for $src "long long"]] then {
209 unsupported "$testcase execution, $option"
214 if [info exists torture_execute_xfail] {
215 setup_xfail $torture_execute_xfail
218 if [info exists torture_eval_before_execute] {
219 set ignore_me [eval $torture_eval_before_execute]
223 # Sometimes we end up creating identical executables for two
224 # consecutive sets of different of compiler options.
226 # In such cases we know the result of this test will be identical
227 # to the result of the last test.
229 # So in cases where the time to load and run/simulate the test
230 # is relatively high, compare the two binaries and avoid rerunning
231 # tests if the executables are identical.
233 # Do not do this for native testing since the cost to load/execute
234 # the test is fairly small and the comparison step actually slows
235 # the entire process down because it usually does not "hit".
237 if { ![isnative] && [info exists oldexec] } {
238 if { [file_on_host cmp $oldexec $execname] == 0 } {
243 set result [gcc_load "$execname" "" ""]
244 set status [lindex $result 0]
245 set output [lindex $result 1]
247 if { $oldstatus == "pass" } {
248 file_on_host delete $oldexec
250 $status "$testcase execution, $option"
251 set oldstatus $status
253 if [info exists status] {
254 if { $status == "pass" } {
255 file_on_host delete $execname
261 # search_for -- looks for a string match in a file
263 proc search_for { file pattern } {
264 set fd [open $file r]
265 while { [gets $fd cur_line]>=0 } {
266 if [string match "*$pattern*" $cur_line] then {
276 # c-torture -- the c-torture testcase source file processor
278 # This runs compilation only tests (no execute tests).
279 # SRC is the full pathname of the testcase, or just a file name in which case
280 # we prepend $srcdir/$subdir.
282 # If the testcase has an associated .x file, we source that to run the
283 # test instead. We use .x so that we don't lengthen the existing filename
284 # to more than
14 chars.
286 proc c
-torture
{ args } {
287 global srcdir subdir compiler_conditional_xfail_data
289 set src
[lindex $
args 0]
290 if { [llength $
args] > 1 } {
291 set options
[lindex $
args 1]
296 # Prepend $srdir
/$subdir
if missing.
297 if ![string match
"*/*" $src] {
298 set src
"$srcdir/$subdir/$src"
301 # Check
for alternate driver.
302 if [file
exists [file rootname $src
].x
] {
303 verbose
"Using alternate driver [file rootname [file tail $src]].x" 2
305 catch
"set done_p \[source [file rootname $src].x\]"
311 # Look
for a loop within the source code
- if we don
't find one,
312 # don't pass
-funroll
[-all
]-loops.
313 global torture_with_loops torture_without_loops
314 if [expr
[search_for $src
"for*("]+[search_for $src "while*("]] then {
315 set option_list $torture_with_loops
317 set option_list $torture_without_loops
320 # loop through all the options
321 foreach option $option_list
{
322 # torture_compile_xfail is
set by the .x script
(if present
)
323 if [info exists torture_compile_xfail
] {
324 setup_xfail $torture_compile_xfail
327 # torture_execute_before_compile is
set by the .x script
(if present
)
328 if [info exists torture_eval_before_compile
] {
329 set ignore_me
[eval $torture_eval_before_compile
]
332 c
-torture
-compile $src
"$option $options"