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 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 } \
47 if [info exists ADDITIONAL_TORTURE_OPTIONS] {
48 set C_TORTURE_OPTIONS \
49 [concat $C_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
53 if ![info exists GCC_UNDER_TEST] {
54 set GCC_UNDER_TEST "[find_gcc]"
57 global orig_environment_saved
59 # This file may be sourced, so don't override environment settings
60 # that have been previously setup.
61 if { $orig_environment_saved == 0 } {
62 append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
63 set_ld_library_path_env_vars
67 # c-torture-compile -- runs the Tege C-torture test
69 # SRC is the full pathname of the testcase.
70 # OPTION is the specific compiler flag we're testing (eg: -O2).
72 proc c-torture-compile { src option } {
77 set output "$tmpdir/[file tail [file rootname $src]].o"
79 regsub "(?q)$srcdir/" $src "" testcase
80 # If we couldn't rip $srcdir out of `src' then just do the best we can.
81 # The point is to reduce the unnecessary noise in the logs. Don't strip
82 # out too much because different testcases with the same name can confuse
84 if [string match "/*" $testcase] {
85 set testcase "[file tail [file dirname $src]]/[file tail $src]"
88 verbose "Testing $testcase, $option" 1
90 # Run the compiler and analyze the results.
92 lappend options "additional_flags=-w $option"
94 set comp_output [gcc_target_compile "$src" "$output" object $options]
95 gcc_check_compile $testcase $option $output $comp_output
96 file_on_host delete $output
100 # c-torture-execute -- utility to compile and execute a testcase
102 # SOURCES is a list of full pathnames to the test source files.
103 # The first filename in this list forms the "testcase".
105 # If the testcase has an associated .x file, we source that to run the
106 # test instead. We use .x so that we don't lengthen the existing filename
107 # to more than 14 chars.
109 proc c-torture-execute { sources args } {
110 global tmpdir tool srcdir output compiler_conditional_xfail_data
112 # Use the first source filename given as the filename under test.
113 set src [lindex $sources 0]
115 if { [llength $args] > 0 } {
116 set additional_flags [lindex $args 0]
118 set additional_flags ""
120 # Check for alternate driver.
121 if [file exists [file rootname $src].x] {
122 verbose "Using alternate driver [file rootname [file tail $src]].x" 2
124 catch "set done_p \[source [file rootname $src].x\]"
130 # Look for a loop within the source code - if we don't find one,
131 # don't pass -funroll[-all]-loops.
132 global torture_with_loops torture_without_loops
133 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
134 set option_list $torture_with_loops
136 set option_list $torture_without_loops
139 set executable $tmpdir/[file tail [file rootname $src].x]
141 regsub "(?q)$srcdir/" $src "" testcase
142 # If we couldn't rip $srcdir out of `src' then just do the best we can.
143 # The point is to reduce the unnecessary noise in the logs. Don't strip
144 # out too much because different testcases with the same name can confuse
146 if [string match "/*" $testcase] {
147 set testcase "[file tail [file dirname $src]]/[file tail $src]"
152 foreach option $option_list {
154 set oldexec $execname
156 set execname "${executable}${count}"
159 # torture_{compile,execute}_xfail are set by the .x script
161 if [info exists torture_compile_xfail] {
162 setup_xfail $torture_compile_xfail
165 # torture_execute_before_{compile,execute} can be set by the .x script
167 if [info exists torture_eval_before_compile] {
168 set ignore_me [eval $torture_eval_before_compile]
171 file_on_host delete $execname
172 verbose "Testing $testcase, $option" 1
175 lappend options "additional_flags=-w $option"
176 if { $additional_flags != "" } {
177 lappend options "additional_flags=$additional_flags"
179 set comp_output [gcc_target_compile "$sources" "${execname}" executable $options]
181 if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] {
182 unresolved "$testcase execution, $option"
183 file_on_host delete $execname
187 # See if this source file uses "long long" types, if it does, and
188 # no_long_long is set, skip execution of the test.
189 if [target_info exists no_long_long] then {
190 if [expr [search_for $src "long long"]] then {
191 unsupported "$testcase execution, $option"
196 if [info exists torture_execute_xfail] {
197 setup_xfail $torture_execute_xfail
200 if [info exists torture_eval_before_execute] {
201 set ignore_me [eval $torture_eval_before_execute]
205 # Sometimes we end up creating identical executables for two
206 # consecutive sets of different of compiler options.
208 # In such cases we know the result of this test will be identical
209 # to the result of the last test.
211 # So in cases where the time to load and run/simulate the test
212 # is relatively high, compare the two binaries and avoid rerunning
213 # tests if the executables are identical.
215 # Do not do this for native testing since the cost to load/execute
216 # the test is fairly small and the comparison step actually slows
217 # the entire process down because it usually does not "hit".
219 if { ![isnative] && [info exists oldexec] } {
220 if { [file_on_host cmp $oldexec $execname] == 0 } {
225 set result [gcc_load "$execname" "" ""]
226 set status [lindex $result 0]
227 set output [lindex $result 1]
229 if { $oldstatus == "pass" } {
230 file_on_host delete $oldexec
232 $status "$testcase execution, $option"
233 set oldstatus $status
235 if [info exists status] {
236 if { $status == "pass" } {
237 file_on_host delete $execname
243 # search_for -- looks for a string match in a file
245 proc search_for { file pattern } {
246 set fd [open $file r]
247 while { [gets $fd cur_line]>=0 } {
248 if [string match "*$pattern*" $cur_line] then {
258 # c-torture -- the c-torture testcase source file processor
260 # This runs compilation only tests (no execute tests).
261 # SRC is the full pathname of the testcase, or just a file name in which case
262 # we prepend $srcdir/$subdir.
264 # If the testcase has an associated .x file, we source that to run the
265 # test instead. We use .x so that we don't lengthen the existing filename
266 # to more than 14 chars.
268 proc c-torture { args } {
269 global srcdir subdir compiler_conditional_xfail_data
271 set src [lindex $args 0]
272 if { [llength $args] > 1 } {
273 set options [lindex $args 1]
278 # Prepend $srdir/$subdir if missing.
279 if ![string match "*/*" $src] {
280 set src "$srcdir/$subdir/$src"
283 # Check for alternate driver.
284 if [file exists [file rootname $src].x] {
285 verbose "Using alternate driver [file rootname [file tail $src]].x" 2
287 catch "set done_p \[source [file rootname $src].x\]"
293 # Look for a loop within the source code - if we don't find one,
294 # don't pass -funroll[-all]-loops.
295 global torture_with_loops torture_without_loops
296 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
297 set option_list $torture_with_loops
299 set option_list $torture_without_loops
302 # loop through all the options
303 foreach option $option_list {
304 # torture_compile_xfail is set by the .x script (if present)
305 if [info exists torture_compile_xfail] {
306 setup_xfail $torture_compile_xfail
309 # torture_execute_before_compile is set by the .x script (if present)
310 if [info exists torture_eval_before_compile] {
311 set ignore_me [eval $torture_eval_before_compile]
314 c-torture-compile $src "$option $options"