1# Copyright (C) 1992-1998, 1999, 2000 Free Software Foundation, Inc. 2 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 2 of the License, or 6# (at your option) any later version. 7# 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. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program; if not, write to the Free Software 15# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 16 17# Please email any bugs, comments, and/or additions to this file to: 18# bug-dejagnu@gnu.org. 19 20# This file was written by Rob Savoye. (rob@cygnus.com) 21 22load_lib file-format.exp 23 24# The default option list can be overridden by 25# TORTURE_OPTIONS="{ { list1 } ... { listN } }" 26 27if ![info exists 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 TORTURE_OPTIONS [list \ 36 { -O0 } \ 37 { -O1 } \ 38 { -O2 } \ 39 { -O3 -fomit-frame-pointer } \ 40 { -O3 -fomit-frame-pointer -funroll-loops } \ 41 { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \ 42 { -O3 -g } \ 43 { -Os } ] 44} 45 46 47# Split TORTURE_OPTIONS into two choices: one for testcases with loops and 48# one for testcases without loops. 49 50set torture_with_loops $TORTURE_OPTIONS 51set torture_without_loops "" 52foreach option $TORTURE_OPTIONS { 53 if ![string match "*loop*" $option] { 54 lappend torture_without_loops $option 55 } 56} 57 58# 59# c-torture-compile -- runs the Tege C-torture test 60# 61# SRC is the full pathname of the testcase. 62# OPTION is the specific compiler flag we're testing (eg: -O2). 63# 64proc c-torture-compile { src option } { 65 global output 66 global srcdir tmpdir 67 global host_triplet 68 69 set output "$tmpdir/[file tail [file rootname $src]].o" 70 71 regsub "^$srcdir/?" $src "" testcase 72 # If we couldn't rip $srcdir out of `src' then just do the best we can. 73 # The point is to reduce the unnecessary noise in the logs. Don't strip 74 # out too much because different testcases with the same name can confuse 75 # `test-tool'. 76 if [string match "/*" $testcase] { 77 set testcase "[file tail [file dirname $src]]/[file tail $src]" 78 } 79 80 verbose "Testing $testcase, $option" 1 81 82 # Run the compiler and analyze the results. 83 set options "" 84 lappend options "additional_flags=-w $option" 85 86 set comp_output [gcc_target_compile "$src" "$output" object $options]; 87 gcc_check_compile $testcase $option $output $comp_output 88 remote_file build delete $output 89} 90 91# 92# c-torture-execute -- utility to compile and execute a testcase 93# 94# SOURCES is a list of full pathnames to the test source files. 95# The first filename in this list forms the "testcase". 96# 97# If the testcase has an associated .x file, we source that to run the 98# test instead. We use .x so that we don't lengthen the existing filename 99# to more than 14 chars. 100# 101proc c-torture-execute { sources args } { 102 global tmpdir tool srcdir output compiler_conditional_xfail_data 103 104 # Use the first source filename given as the filename under test. 105 set src [lindex $sources 0] 106 107 if { [llength $args] > 0 } { 108 set additional_flags [lindex $args 0]; 109 } else { 110 set additional_flags ""; 111 } 112 # Check for alternate driver. 113 if [file exists [file rootname $src].x] { 114 verbose "Using alternate driver [file rootname [file tail $src]].x" 2 115 set done_p 0 116 catch "set done_p \[source [file rootname $src].x\]" 117 if { $done_p } { 118 return 119 } 120 } 121 122 # Look for a loop within the source code - if we don't find one, 123 # don't pass -funroll[-all]-loops. 124 global torture_with_loops torture_without_loops 125 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then { 126 set option_list $torture_with_loops 127 } else { 128 set option_list $torture_without_loops 129 } 130 131 set executable $tmpdir/[file tail [file rootname $src].x] 132 133 regsub "^$srcdir/?" $src "" testcase 134 # If we couldn't rip $srcdir out of `src' then just do the best we can. 135 # The point is to reduce the unnecessary noise in the logs. Don't strip 136 # out too much because different testcases with the same name can confuse 137 # `test-tool'. 138 if [string match "/*" $testcase] { 139 set testcase "[file tail [file dirname $src]]/[file tail $src]" 140 } 141 142 set count 0; 143 set oldstatus "foo"; 144 foreach option $option_list { 145 if { $count > 0 } { 146 set oldexec $execname; 147 } 148 set execname "${executable}${count}"; 149 incr count; 150 151 # torture_{compile,execute}_xfail are set by the .x script 152 # (if present) 153 if [info exists torture_compile_xfail] { 154 setup_xfail $torture_compile_xfail 155 } 156 157 # torture_execute_before_{compile,execute} can be set by the .x script 158 # (if present) 159 if [info exists torture_eval_before_compile] { 160 set ignore_me [eval $torture_eval_before_compile] 161 } 162 163 remote_file build delete $execname; 164 verbose "Testing $testcase, $option" 1 165 166 set options "" 167 lappend options "additional_flags=-w $option" 168 if { $additional_flags != "" } { 169 lappend options "additional_flags=$additional_flags"; 170 } 171 set comp_output [gcc_target_compile "$sources" "${execname}" executable $options]; 172 173 if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] { 174 unresolved "$testcase execution, $option" 175 remote_file build delete $execname 176 continue 177 } 178 179 # See if this source file uses "long long" types, if it does, and 180 # no_long_long is set, skip execution of the test. 181 if [target_info exists no_long_long] then { 182 if [expr [search_for $src "long long"]] then { 183 unsupported "$testcase execution, $option" 184 continue 185 } 186 } 187 188 if [info exists torture_execute_xfail] { 189 setup_xfail $torture_execute_xfail 190 } 191 192 if [info exists torture_eval_before_execute] { 193 set ignore_me [eval $torture_eval_before_execute] 194 } 195 196 197 # Sometimes we end up creating identical executables for two 198 # consecutive sets of different of compiler options. 199 # 200 # In such cases we know the result of this test will be identical 201 # to the result of the last test. 202 # 203 # So in cases where the time to load and run/simulate the test 204 # is relatively high, compare the two binaries and avoid rerunning 205 # tests if the executables are identical. 206 # 207 # Do not do this for native testing since the cost to load/execute 208 # the test is fairly small and the comparison step actually slows 209 # the entire process down because it usually does not "hit". 210 set skip 0; 211 if { ![isnative] && [info exists oldexec] } { 212 if { [remote_file build cmp $oldexec $execname] == 0 } { 213 set skip 1; 214 } 215 } 216 if { $skip == 0 } { 217 set result [gcc_load "$execname" "" ""] 218 set status [lindex $result 0]; 219 set output [lindex $result 1]; 220 } 221 if { $oldstatus == "pass" } { 222 remote_file build delete $oldexec; 223 } 224 $status "$testcase execution, $option" 225 set oldstatus $status; 226 } 227 if [info exists status] { 228 if { $status == "pass" } { 229 remote_file build delete $execname; 230 } 231 } 232} 233 234# 235# search_for -- looks for a string match in a file 236# 237proc search_for { file pattern } { 238 set fd [open $file r] 239 while { [gets $fd cur_line]>=0 } { 240 if [string match "*$pattern*" $cur_line] then { 241 close $fd 242 return 1 243 } 244 } 245 close $fd 246 return 0 247} 248 249# 250# c-torture -- the c-torture testcase source file processor 251# 252# This runs compilation only tests (no execute tests). 253# SRC is the full pathname of the testcase, or just a file name in which case 254# we prepend $srcdir/$subdir. 255# 256# If the testcase has an associated .x file, we source that to run the 257# test instead. We use .x so that we don't lengthen the existing filename 258# to more than 14 chars. 259# 260proc c-torture { args } { 261 global srcdir subdir compiler_conditional_xfail_data 262 263 set src [lindex $args 0]; 264 if { [llength $args] > 1 } { 265 set options [lindex $args 1]; 266 } else { 267 set options "" 268 } 269 270 # Prepend $srdir/$subdir if missing. 271 if ![string match "*/*" $src] { 272 set src "$srcdir/$subdir/$src" 273 } 274 275 # Check for alternate driver. 276 if [file exists [file rootname $src].x] { 277 verbose "Using alternate driver [file rootname [file tail $src]].x" 2 278 set done_p 0 279 catch "set done_p \[source [file rootname $src].x\]" 280 if { $done_p } { 281 return 282 } 283 } 284 285 # Look for a loop within the source code - if we don't find one, 286 # don't pass -funroll[-all]-loops. 287 global torture_with_loops torture_without_loops 288 if [expr [search_for $src "for*("]+[search_for $src "while*("]] then { 289 set option_list $torture_with_loops 290 } else { 291 set option_list $torture_without_loops 292 } 293 294 # loop through all the options 295 foreach option $option_list { 296 # torture_compile_xfail is set by the .x script (if present) 297 if [info exists torture_compile_xfail] { 298 setup_xfail $torture_compile_xfail 299 } 300 301 # torture_execute_before_compile is set by the .x script (if present) 302 if [info exists torture_eval_before_compile] { 303 set ignore_me [eval $torture_eval_before_compile] 304 } 305 306 c-torture-compile $src "$option $options" 307 } 308} 309