1 # Copyright
(C
) 1992-1998, 1999, 2000, 2007, 2008
2 # Free Software Foundation
, Inc.
4 # This
program is free software
; you can redistribute it and
/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation
; either version
3 of the License
, or
7 #
(at your option
) any later version.
9 # This
program is distributed in the hope that it will be useful
,
10 # but WITHOUT
ANY WARRANTY
; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License
for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with GCC
; see the file COPYING3.
If not see
16 #
<http
://www.gnu.org
/licenses
/>.
18 # This file was written by Rob Savoye.
(rob@cygnus.com
)
20 load_lib target
-supports.exp
21 load_lib file
-format.exp
22 load_lib target
-libpath.exp
24 # The default option list can be overridden by
25 # TORTURE_OPTIONS
="{ { list1 } ... { listN } }"
27 if [info exists TORTURE_OPTIONS
] {
28 set C_TORTURE_OPTIONS $TORTURE_OPTIONS
30 # It is theoretically beneficial to group all of the O2
/O3 options together
,
31 # as in many cases the compiler will generate identical executables
for
32 # all of them
--and the c
-torture testsuite will skip testing identical
33 # executables multiple times.
34 # Also note that
-finline
-functions is explicitly included in one of the
35 # items below
, even though
-O3 is also specified
, because some ports may
36 # choose to disable inlining functions by default
, even when optimizing.
37 set C_TORTURE_OPTIONS
[list \
41 { -O3
-fomit
-frame
-pointer
} \
42 { -O3
-fomit
-frame
-pointer
-funroll
-loops
} \
43 { -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 set LTO_TORTURE_OPTIONS
[list \
56 { -O2
-flto
-flto
-partition
=none } \
62 if ![info exists GCC_UNDER_TEST
] {
63 set GCC_UNDER_TEST
"[find_gcc]"
66 global orig_environment_saved
68 # This file may be sourced
, so don
't override environment settings
69 # that have been previously setup.
70 if { $orig_environment_saved == 0 } {
71 append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
72 set_ld_library_path_env_vars
76 # c-torture-compile -- runs the Tege C-torture test
78 # SRC is the full pathname of the testcase.
79 # OPTION is the specific compiler flag we're testing
(eg
: -O2
).
81 proc c
-torture
-compile { src option
} {
86 set output
"$tmpdir/[file tail [file rootname $src]].o"
88 regsub
"(?q)$srcdir/" $src "" testcase
89 #
If we couldn
't rip $srcdir out of `src' then just
do the best we can.
90 # The point is to reduce the unnecessary noise in the logs. Don
't strip
91 # out too much because different testcases with the same name can confuse
93 if [string match
"/*" $testcase] {
94 set testcase
"[file tail [file dirname $src]]/[file tail $src]"
97 verbose
"Testing $testcase, $option" 1
99 # Run the compiler and analyze the results.
101 lappend options
"additional_flags=-w $option"
103 set comp_output
[gcc_target_compile
"$src" "$output" object $options]
104 gcc_check_compile $testcase $option $output $comp_output
105 file_on_host
delete $output
109 # c
-torture
-execute -- utility to
compile and
execute a testcase
111 # SOURCES is a list of full pathnames to the test source files.
112 # The first filename in this list forms the
"testcase".
114 #
If the testcase has an associated .x file
, we source that to run the
115 # test instead. We use .x so that we don
't lengthen the existing filename
116 # to more than 14 chars.
118 proc c-torture-execute { sources args } {
119 global tmpdir tool srcdir output compiler_conditional_xfail_data
121 # Use the first source filename given as the filename under test.
122 set src [lindex $sources 0]
124 if { [llength $args] > 0 } {
125 set additional_flags [lindex $args 0]
127 set additional_flags ""
129 # Check for alternate driver.
130 if [file exists [file rootname $src].x] {
131 verbose "Using alternate driver [file rootname [file tail $src]].x" 2
133 catch "set done_p \[source [file rootname $src].x\]"
139 # Look for a loop within the source code - if we don't find one
,
140 # don
't pass -funroll[-all]-loops.
141 global torture_with_loops torture_without_loops
142 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
143 set option_list $torture_with_loops
145 set option_list $torture_without_loops
148 set executable $tmpdir/[file tail [file rootname $src].x]
150 regsub "(?q)$srcdir/" $src "" testcase
151 # If we couldn't rip $srcdir out of `src
' then just do the best we can.
152 # The point is to reduce the unnecessary noise in the logs. Don't
strip
153 # out too much because different testcases with the same
name can confuse
155 if [string match "/*" $testcase] {
156 set testcase "[file tail [file dirname $src]]/[file tail $src]"
161 foreach option $option_list {
163 set oldexec $execname
165 set execname "${executable}${count}"
168 # torture_{compile,execute}_xfail are set by the .x script
170 if [info exists torture_compile_xfail] {
171 setup_xfail $torture_compile_xfail
174 # torture_execute_before_{compile,execute} can be set by the .x script
176 if [info exists torture_eval_before_compile] {
177 set ignore_me [eval $torture_eval_before_compile]
180 file_on_host delete $execname
181 verbose "Testing $testcase, $option" 1
184 lappend options "additional_flags=-w $option"
185 if { $additional_flags != "" } {
186 lappend options "additional_flags=$additional_flags"
188 set comp_output [gcc_target_compile "$sources" "${execname}" executable $options]
190 if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] {
191 unresolved "$testcase execution, $option"
192 file_on_host delete $execname
196 # See if this source file uses "long long" types, if it does, and
197 # no_long_long is set, skip execution of the test.
198 if [target_info exists no_long_long] then {
199 if [expr [search_for $src "long long"]] then {
200 unsupported "$testcase execution, $option"
205 if [info exists torture_execute_xfail] {
206 setup_xfail $torture_execute_xfail
209 if [info exists torture_eval_before_execute] {
210 set ignore_me [eval $torture_eval_before_execute]
214 # Sometimes we end up creating identical executables for two
215 # consecutive sets of different of compiler options.
217 # In such cases we know the result of this test will be identical
218 # to the result of the last test.
220 # So in cases where the time to load and run/simulate the test
221 # is relatively high, compare the two binaries and avoid rerunning
222 # tests if the executables are identical.
224 # Do not do this for native testing since the cost to load/execute
225 # the test is fairly small and the comparison step actually slows
226 # the entire process down because it usually does not "hit".
228 if { ![isnative] && [info exists oldexec] } {
229 if { [file_on_host cmp $oldexec $execname] == 0 } {
234 set result [gcc_load "$execname" "" ""]
235 set status [lindex $result 0]
236 set output [lindex $result 1]
238 if { $oldstatus == "pass" } {
239 file_on_host delete $oldexec
241 $status "$testcase execution, $option"
242 set oldstatus $status
244 if [info exists status] {
245 if { $status == "pass" } {
246 file_on_host delete $execname
252 # search_for -- looks for a string match in a file
254 proc search_for { file pattern } {
255 set fd [open $file r]
256 while { [gets $fd cur_line]>=0 } {
257 if [string match "*$pattern*" $cur_line] then {
267 # c-torture -- the c-torture testcase source file processor
269 # This runs compilation only tests (no execute tests).
270 # SRC is the full pathname of the testcase, or just a file name in which case
271 # we prepend $srcdir/$subdir.
273 # If the testcase has an associated .x file, we source that to run the
274 # test instead. We use .x so that we don't lengthen the existing filename
275 # to more than
14 chars.
277 proc c
-torture
{ args } {
278 global srcdir subdir compiler_conditional_xfail_data
280 set src
[lindex $
args 0]
281 if { [llength $
args] > 1 } {
282 set options
[lindex $
args 1]
287 # Prepend $srdir
/$subdir
if missing.
288 if ![string match
"*/*" $src] {
289 set src
"$srcdir/$subdir/$src"
292 # Check
for alternate driver.
293 if [file
exists [file rootname $src
].x
] {
294 verbose
"Using alternate driver [file rootname [file tail $src]].x" 2
296 catch
"set done_p \[source [file rootname $src].x\]"
302 # Look
for a loop within the source code
- if we don
't find one,
303 # don't pass
-funroll
[-all
]-loops.
304 global torture_with_loops torture_without_loops
305 if [expr
[search_for $src
"for*("]+[search_for $src "while*("]] then {
306 set option_list $torture_with_loops
308 set option_list $torture_without_loops
311 # loop through all the options
312 foreach option $option_list
{
313 # torture_compile_xfail is
set by the .x script
(if present
)
314 if [info exists torture_compile_xfail
] {
315 setup_xfail $torture_compile_xfail
318 # torture_execute_before_compile is
set by the .x script
(if present
)
319 if [info exists torture_eval_before_compile
] {
320 set ignore_me
[eval $torture_eval_before_compile
]
323 c
-torture
-compile $src
"$option $options"