gcc/testsuite/lib/fortran-torture.exp

   1 # Copyright (C) 2003 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to
  18 # the author.
  19
  20 # This file was written by Steven Bosscher (s.bosscher@student.tudelft.nl)
  21 # based on f-torture.exp, which was written by Rob Savoye.
  22
  23 # The biggest change from g77 is that we always test all testcases with
  24 # loop options, because it is much harder to figure out whether a testcase
  25 # has loops if you have array syntax, like Fortran 95.  In fact, the whole
  26 # point of F95 is arrays, so loops show up in most testcases anyway.
  27
  28
  29 # The default option list can be overridden by
  30 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  31
  32 if ![info exists TORTURE_OPTIONS] {
  33     set TORTURE_OPTIONS [list \
  34         { -O0 } { -O1 } { -O2 } \
  35         { -O2 -fomit-frame-pointer -finline-functions } \
  36         { -O2 -fomit-frame-pointer -finline-functions -funroll-loops } \
  37         { -O2 -fbounds-check } \
  38         { -O2 -fno-repack-arrays } \
  39         { -O3 -g } \
  40         { -Os }]
  41 }
  42
  43
  44 #
  45 # fortran-torture-compile -- compile a gfortran.fortran-torture testcase.
  46 #
  47 # SRC is the full pathname of the testcase.
  48 # OPTION is the specific compiler flag we're testing (eg: -O2).
  49 #
  50 proc fortran-torture-compile { src option } {
  51     global output
  52     global srcdir tmpdir
  53     global host_triplet
  54
  55     set output "$tmpdir/[file tail [file rootname $src]].o"
  56
  57     regsub "^$srcdir/?" $src "" testcase
  58
  59     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  60     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  61     # out too much because different testcases with the same name can confuse
  62     # `test-tool'.
  63     if [string match "/*" $testcase] {
  64         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  65     }
  66
  67     verbose "Testing $testcase, $option" 1
  68
  69     # Run the compiler and get results in comp_output.
  70     set options ""
  71     lappend options "additional_flags=-w $option"
  72
  73     set comp_output [gfortran_target_compile "$src" "$output" object $options]
  74
  75     # See if we got something bad.
  76     set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
  77
  78     if [string match "$fatal_signal 6" $comp_output] then {
  79         gfortran_fail $testcase "Got Signal 6, $option"
  80         catch { remote_file build delete $output }
  81         return
  82     }
  83
  84     if [string match "$fatal_signal 11" $comp_output] then {
  85         gfortran_fail $testcase "Got Signal 11, $option"
  86         catch { remote_file build delete $output }
  87         return
  88     }
  89
  90     if [string match "*internal compiler error*" $comp_output] then {
  91         gfortran_fail $testcase "$option (internal compiler error)"
  92         catch { remote_file build delete $output }
  93         return
  94     }
  95
  96     # We shouldn't get these because of -w, but just in case.
  97     if [string match "*95*:*warning:*" $comp_output] then {
  98         warning "$testcase: (with warnings) $option"
  99         send_log "$comp_output\n"
 100         unresolved "$testcase, $option"
 101         catch { remote_file build delete $output }
 102         return
 103     }
 104
 105     # Prune warnings we know are unwanted.
 106     set comp_output [prune_warnings $comp_output]
 107
 108     # Report if the testcase is not supported.
 109     set unsupported_message [gfortran_check_unsupported_p $comp_output]
 110     if { $unsupported_message != "" } {
 111         unsupported "$testcase: $unsupported_message"
 112         catch { remote_file build delete $output }
 113         return
 114     }
 115
 116     # remove any leftover LF/CR to make sure any output is legit
 117     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 118
 119     # If any message remains, we fail.
 120     if ![string match "" $comp_output] then {
 121         gfortran_fail $testcase $option
 122         catch { remote_file build delete $output }
 123         return
 124     }
 125
 126     gfortran_pass $testcase $option
 127     catch { remote_file build delete $output }
 128 }
 129
 130
 131 #
 132 # fortran-torture-execute -- compile and execute a testcase.
 133 #
 134 # SRC is the full pathname of the testcase.
 135 #
 136 # If the testcase has an associated .x file, we source that to run the
 137 # test instead.  We use .x so that we don't lengthen the existing filename
 138 # to more than 14 chars.
 139 #
 140 proc fortran-torture-execute { src } {
 141     global output
 142     global srcdir tmpdir
 143     global tool
 144     global compiler_conditional_xfail_data
 145     global TORTURE_OPTIONS
 146
 147     # Check for alternate driver.
 148     set additional_flags ""
 149     if [file exists [file rootname $src].x] {
 150         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 151         set done_p 0
 152         catch "set done_p \[source [file rootname $src].x\]"
 153         if { $done_p } {
 154             return
 155         }
 156     }
 157
 158     # Setup the options for the testcase run.
 159     set option_list $TORTURE_OPTIONS
 160     set executable $tmpdir/[file tail [file rootname $src].x]
 161     regsub "^$srcdir/?" $src "" testcase
 162
 163     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 164     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 165     # out too much because different testcases with the same name can confuse
 166     # `test-tool'.
 167     if [string match "/*" $testcase] {
 168         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 169     }
 170
 171     # Walk the list of options and copmile and run the testcase for all
 172     # options that are not explicitly disabled by the .x script (if present).
 173     foreach option $option_list {
 174
 175         # Torture_{compile,execute}_xfail are set by the .x script.
 176         if [info exists torture_compile_xfail] {
 177             setup_xfail $torture_compile_xfail
 178         }
 179
 180         # Torture_execute_before_{compile,execute} can be set by the .x script.
 181         if [info exists torture_eval_before_compile] {
 182             set ignore_me [eval $torture_eval_before_compile]
 183         }
 184
 185         # FIXME: We should make sure that the modules required by this testcase
 186         # exist.  If not, the testcase should XFAIL.
 187
 188         # Compile the testcase.
 189         catch { remote_file build delete $executable }
 190         verbose "Testing $testcase, $option" 1
 191
 192         set options ""
 193         lappend options "additional_flags=-w $option"
 194         if { $additional_flags != "" } {
 195             lappend options "additional_flags=$additional_flags"
 196         }
 197         set comp_output [gfortran_target_compile "$src" "$executable" executable $options]
 198
 199         # See if we got something bad.
 200         set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 201
 202         if [string match "$fatal_signal 6" $comp_output] then {
 203             gfortran_fail $testcase "Got Signal 6, $option"
 204             catch { remote_file build delete $executable }
 205             continue
 206         }
 207
 208         if [string match "$fatal_signal 11" $comp_output] then {
 209             gfortran_fail $testcase "Got Signal 11, $option"
 210             catch { remote_file build delete $executable }
 211             continue
 212         }
 213
 214         if [string match "*internal compiler error*" $comp_output] then {
 215             gfortran_fail $testcase "$option (internal compiler error)"
 216             catch { remote_file build delete $executable }
 217             continue
 218         }
 219
 220         # We shouldn't get these because of -w, but just in case.
 221         if [string match "*95*:*warning:*" $comp_output] then {
 222             warning "$testcase: (with warnings) $option"
 223             send_log "$comp_output\n"
 224             unresolved "$testcase, $option"
 225             catch { remote_file build delete $executable }
 226             continue
 227         }
 228
 229         # Prune warnings we know are unwanted.
 230         set comp_output [prune_warnings $comp_output]
 231
 232         # Report if the testcase is not supported.
 233         set unsupported_message [gfortran_check_unsupported_p $comp_output]
 234         if { $unsupported_message != "" } {
 235             unsupported "$testcase: $unsupported_message"
 236             continue
 237         } elseif ![file exists $executable] {
 238             if ![is3way] {
 239                 fail "$testcase compilation, $option"
 240                 untested "$testcase execution, $option"
 241                 continue
 242             } else {
 243                 # FIXME: since we can't test for the existance of a remote
 244                 # file without short of doing an remote file list, we assume
 245                 # that since we got no output, it must have compiled.
 246                 pass "$testcase compilation, $option"
 247             }
 248         } else {
 249             pass "$testcase compilation, $option"
 250         }
 251
 252         # See if this source file uses INTEGER(KIND=8) types, if it does, and
 253         # no_long_long is set, skip execution of the test.
 254         # FIXME: We should also look for F95 style "_8" or select_int_kind()
 255         # integers, but that is obviously much harder than just regexping this.
 256         # So maybe we should just avoid those in testcases.
 257         if [target_info exists no_long_long] then {
 258             if [expr [search_for_re $src "integer\*8"] \
 259                      +[search_for_re $src "integer *( *8 *)"] \
 260                      +[search_for_re $src "integer *( *kind *= *8 *)"]] \
 261               then {
 262                 untested "$testcase execution, $option"
 263                 continue
 264             }
 265         }
 266
 267         if [info exists torture_execute_xfail] {
 268             setup_xfail $torture_execute_xfail
 269         }
 270
 271         if [info exists torture_eval_before_execute] {
 272             set ignore_me [eval $torture_eval_before_execute]
 273         }
 274
 275         # Run the testcase, and analyse the output.
 276         set result [gfortran_load "$executable" "" ""]
 277         set status [lindex $result 0]
 278         set output [lindex $result 1]
 279         if { $status == "pass" } {
 280             catch { remote_file build delete $executable }
 281         }
 282         $status "$testcase execution, $option"
 283     }
 284 }
 285
 286
 287 #
 288 # search_for_re -- looks for a string match in a file
 289 #
 290 proc search_for_re { file pattern } {
 291     set fd [open $file r]
 292     while { [gets $fd cur_line]>=0 } {
 293         set lower [string tolower $cur_line]
 294         if [regexp "$pattern" $lower] then {
 295             close $fd
 296             return 1
 297         }
 298     }
 299     close $fd
 300     return 0
 301 }
 302
 303
 304 #
 305 # fortran-torture -- the fortran-torture testcase source file processor
 306 #
 307 # This runs compilation only tests (no execute tests).
 308 #
 309 # SRC is the full pathname of the testcase, or just a file name in which
 310 # case we prepend $srcdir/$subdir.
 311 #
 312 # If the testcase has an associated .x file, we source that to run the
 313 # test instead.  We use .x so that we don't lengthen the existing filename
 314 # to more than 14 chars.
 315 #
 316 proc fortran-torture { args } {
 317     global srcdir subdir
 318     global compiler_conditional_xfail_data
 319
 320     set src [lindex $args 0]
 321     if { [llength $args] > 1 } {
 322         set options [lindex $args 1]
 323     } else {
 324         set options ""
 325     }
 326
 327     # Prepend $srdir/$subdir if missing.
 328     if ![string match "*/*" $src] {
 329         set src "$srcdir/$subdir/$src"
 330     }
 331
 332     # Check for alternate driver.
 333     if [file exists [file rootname $src].x] {
 334         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 335         set done_p 0
 336         catch "set done_p \[source [file rootname $src].x\]"
 337         if { $done_p } {
 338             return
 339         }
 340     }
 341
 342     # loop through all the options
 343     set option_list [list { "-O" } ]
 344     foreach option $option_list {
 345
 346         # torture_compile_xfail is set by the .x script (if present)
 347         if [info exists torture_compile_xfail] {
 348             setup_xfail $torture_compile_xfail
 349         }
 350
 351         # torture_execute_before_compile is set by the .x script (if present)
 352         if [info exists torture_eval_before_compile] {
 353             set ignore_me [eval $torture_eval_before_compile]
 354         }
 355
 356         fortran-torture-compile $src "$option $options"
 357     }
 358 }
 359
 360 #
 361 # add-ieee-options -- add options necessary for 100% ieee conformance.
 362 #
 363 proc add-ieee-options { } {
 364     # Ensure that excess precision does not cause problems.
 365     if { [istarget "i?86-*-*"]
 366          || [istarget "m68k-*-*"] } then {
 367       uplevel 1 lappend additional_flags "-ffloat-store"
 368     }
 369
 370     # Enable full IEEE compliance mode.
 371     if { [istarget "alpha*-*-*"]
 372          || [istarget "sh*-*-*"] } then {
 373       uplevel 1 lappend additional_flags "-mieee"
 374     }
 375 }