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     # We shouldn't get these because of -w, but just in case.
  91     if [string match "*95*:*warning:*" $comp_output] then {
  92         warning "$testcase: (with warnings) $option"
  93         send_log "$comp_output\n"
  94         unresolved "$testcase, $option"
  95         catch { remote_file build delete $output }
  96         return
  97     }
  98
  99     # Prune warnings we know are unwanted.
 100     set comp_output [prune_warnings $comp_output]
 101
 102     # Report if the testcase is not supported.
 103     set unsupported_message [gfortran_check_unsupported_p $comp_output]
 104     if { $unsupported_message != "" } {
 105         unsupported "$testcase: $unsupported_message"
 106         catch { remote_file build delete $output }
 107         return
 108     }
 109
 110     # remove any leftover LF/CR to make sure any output is legit
 111     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 112
 113     # If any message remains, we fail.
 114     if ![string match "" $comp_output] then {
 115         gfortran_fail $testcase $option
 116         catch { remote_file build delete $output }
 117         return
 118     }
 119
 120     gfortran_pass $testcase $option
 121     catch { remote_file build delete $output }
 122 }
 123
 124
 125 #
 126 # fortran-torture-execute -- compile and execute a testcase.
 127 #
 128 # SRC is the full pathname of the testcase.
 129 #
 130 # If the testcase has an associated .x file, we source that to run the
 131 # test instead.  We use .x so that we don't lengthen the existing filename
 132 # to more than 14 chars.
 133 #
 134 proc fortran-torture-execute { src } {
 135     global output
 136     global srcdir tmpdir
 137     global tool
 138     global compiler_conditional_xfail_data
 139     global TORTURE_OPTIONS
 140
 141     # Check for alternate driver.
 142     set additional_flags ""
 143     if [file exists [file rootname $src].x] {
 144         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 145         set done_p 0
 146         catch "set done_p \[source [file rootname $src].x\]"
 147         if { $done_p } {
 148             return
 149         }
 150     }
 151
 152     # Setup the options for the testcase run.
 153     set option_list $TORTURE_OPTIONS
 154     set executable $tmpdir/[file tail [file rootname $src].x]
 155     regsub "^$srcdir/?" $src "" testcase
 156
 157     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 158     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 159     # out too much because different testcases with the same name can confuse
 160     # `test-tool'.
 161     if [string match "/*" $testcase] {
 162         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 163     }
 164
 165     # Walk the list of options and copmile and run the testcase for all
 166     # options that are not explicitly disabled by the .x script (if present).
 167     foreach option $option_list {
 168
 169         # Torture_{compile,execute}_xfail are set by the .x script.
 170         if [info exists torture_compile_xfail] {
 171             setup_xfail $torture_compile_xfail
 172         }
 173
 174         # Torture_execute_before_{compile,execute} can be set by the .x script.
 175         if [info exists torture_eval_before_compile] {
 176             set ignore_me [eval $torture_eval_before_compile]
 177         }
 178
 179         # FIXME: We should make sure that the modules required by this testcase
 180         # exist.  If not, the testcase should XFAIL.
 181
 182         # Compile the testcase.
 183         catch { remote_file build delete $executable }
 184         verbose "Testing $testcase, $option" 1
 185
 186         set options ""
 187         lappend options "additional_flags=-w $option"
 188         if { $additional_flags != "" } {
 189             lappend options "additional_flags=$additional_flags"
 190         }
 191         set comp_output [gfortran_target_compile "$src" "$executable" executable $options]
 192
 193         # See if we got something bad.
 194         set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 195
 196         if [string match "$fatal_signal 6" $comp_output] then {
 197             gfortran_fail $testcase "Got Signal 6, $option"
 198             catch { remote_file build delete $executable }
 199             continue
 200         }
 201
 202         if [string match "$fatal_signal 11" $comp_output] then {
 203             gfortran_fail $testcase "Got Signal 11, $option"
 204             catch { remote_file build delete $executable }
 205             continue
 206         }
 207
 208         # We shouldn't get these because of -w, but just in case.
 209         if [string match "*95*:*warning:*" $comp_output] then {
 210             warning "$testcase: (with warnings) $option"
 211             send_log "$comp_output\n"
 212             unresolved "$testcase, $option"
 213             catch { remote_file build delete $executable }
 214             continue
 215         }
 216
 217         # Prune warnings we know are unwanted.
 218         set comp_output [prune_warnings $comp_output]
 219
 220         # Report if the testcase is not supported.
 221         set unsupported_message [gfortran_check_unsupported_p $comp_output]
 222         if { $unsupported_message != "" } {
 223             unsupported "$testcase: $unsupported_message"
 224             continue
 225         } elseif ![file exists $executable] {
 226             if ![is3way] {
 227                 fail "$testcase compilation, $option"
 228                 untested "$testcase execution, $option"
 229                 continue
 230             } else {
 231                 # FIXME: since we can't test for the existance of a remote
 232                 # file without short of doing an remote file list, we assume
 233                 # that since we got no output, it must have compiled.
 234                 pass "$testcase compilation, $option"
 235             }
 236         } else {
 237             pass "$testcase compilation, $option"
 238         }
 239
 240         # See if this source file uses INTEGER(KIND=8) types, if it does, and
 241         # no_long_long is set, skip execution of the test.
 242         # FIXME: We should also look for F95 style "_8" or select_int_kind()
 243         # integers, but that is obviously much harder than just regexping this.
 244         # So maybe we should just avoid those in testcases.
 245         if [target_info exists no_long_long] then {
 246             if [expr [search_for_re $src "integer\*8"] \
 247                      +[search_for_re $src "integer *( *8 *)"] \
 248                      +[search_for_re $src "integer *( *kind *= *8 *)"]] \
 249               then {
 250                 untested "$testcase execution, $option"
 251                 continue
 252             }
 253         }
 254
 255         if [info exists torture_execute_xfail] {
 256             setup_xfail $torture_execute_xfail
 257         }
 258
 259         if [info exists torture_eval_before_execute] {
 260             set ignore_me [eval $torture_eval_before_execute]
 261         }
 262
 263         # Run the testcase, and analyse the output.
 264         set result [gfortran_load "$executable" "" ""]
 265         set status [lindex $result 0]
 266         set output [lindex $result 1]
 267         if { $status == "pass" } {
 268             catch { remote_file build delete $executable }
 269         }
 270         $status "$testcase execution, $option"
 271     }
 272 }
 273
 274
 275 #
 276 # search_for_re -- looks for a string match in a file
 277 #
 278 proc search_for_re { file pattern } {
 279     set fd [open $file r]
 280     while { [gets $fd cur_line]>=0 } {
 281         set lower [string tolower $cur_line]
 282         if [regexp "$pattern" $lower] then {
 283             close $fd
 284             return 1
 285         }
 286     }
 287     close $fd
 288     return 0
 289 }
 290
 291
 292 #
 293 # fortran-torture -- the fortran-torture testcase source file processor
 294 #
 295 # This runs compilation only tests (no execute tests).
 296 #
 297 # SRC is the full pathname of the testcase, or just a file name in which
 298 # case we prepend $srcdir/$subdir.
 299 #
 300 # If the testcase has an associated .x file, we source that to run the
 301 # test instead.  We use .x so that we don't lengthen the existing filename
 302 # to more than 14 chars.
 303 #
 304 proc fortran-torture { args } {
 305     global srcdir subdir
 306     global compiler_conditional_xfail_data
 307
 308     set src [lindex $args 0]
 309     if { [llength $args] > 1 } {
 310         set options [lindex $args 1]
 311     } else {
 312         set options ""
 313     }
 314
 315     # Prepend $srdir/$subdir if missing.
 316     if ![string match "*/*" $src] {
 317         set src "$srcdir/$subdir/$src"
 318     }
 319
 320     # Check for alternate driver.
 321     if [file exists [file rootname $src].x] {
 322         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 323         set done_p 0
 324         catch "set done_p \[source [file rootname $src].x\]"
 325         if { $done_p } {
 326             return
 327         }
 328     }
 329
 330     # loop through all the options
 331     set option_list [list { "-O" } ]
 332     foreach option $option_list {
 333
 334         # torture_compile_xfail is set by the .x script (if present)
 335         if [info exists torture_compile_xfail] {
 336             setup_xfail $torture_compile_xfail
 337         }
 338
 339         # torture_execute_before_compile is set by the .x script (if present)
 340         if [info exists torture_eval_before_compile] {
 341             set ignore_me [eval $torture_eval_before_compile]
 342         }
 343
 344         fortran-torture-compile $src "$option $options"
 345     }
 346 }
 347
 348 #
 349 # add-ieee-options -- add options necessary for 100% ieee conformance.
 350 #
 351 proc add-ieee-options { } {
 352     # Ensure that excess precision does not cause problems.
 353     if { [istarget "i?86-*-*"]
 354          || [istarget "m68k-*-*"] } then {
 355       uplevel 1 lappend additional_flags "-ffloat-store"
 356     }
 357
 358     # Enable full IEEE compliance mode.
 359     if { [istarget "alpha*-*-*"]
 360          || [istarget "sh*-*-*"] } then {
 361       uplevel 1 lappend additional_flags "-mieee"
 362     }
 363 }