gcc/testsuite/lib/fortran-torture.exp

   1 # Copyright (C) 2003-2020 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 3 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 GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  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 load_lib target-supports.exp
  24 load_lib fortran-modules.exp
  25 load_lib target-utils.exp
  26
  27 # Return the list of options to use for fortran torture tests.
  28 # The default option list can be overridden by
  29 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  30 proc get-fortran-torture-options { } {
  31     global TORTURE_OPTIONS
  32
  33     if [info exists TORTURE_OPTIONS] {
  34         return $TORTURE_OPTIONS
  35     }
  36
  37     # determine if host supports vectorization, and the necessary set
  38     # of options, based on code from testsuite/vect/vect.exp
  39
  40     set vectorizer_options [list "-O2" "-ftree-vectorize"]
  41
  42     if { [istarget powerpc*-*-*]
  43          && [is-effective-target powerpc_altivec_ok]
  44          && [check_vmx_hw_available] } {
  45         lappend vectorizer_options "-maltivec"
  46         set test_tree_vectorize 1
  47     } elseif { ( [istarget i?86-*-*] || [istarget x86_64-*-*] )
  48                && [check_effective_target_sse2]
  49                && [check_sse2_hw_available]
  50                && [check_sse_os_support_available] } {
  51         lappend vectorizer_options "-msse2"
  52         set test_tree_vectorize 1
  53     } elseif { [istarget mips*-*-*]
  54                && [check_effective_target_mpaired_single]
  55                && [check_effective_target_nomips16] } {
  56         lappend vectorizer_options "-mpaired-single"
  57         set test_tree_vectorize 1
  58     } elseif { [istarget sparc*-*-*]
  59                && [check_effective_target_ultrasparc_hw] } {
  60         lappend vectorizer_options "-mcpu=ultrasparc" "-mvis"
  61         set test_tree_vectorize 1
  62     } elseif { [istarget alpha*-*-*]
  63                && [check_alpha_max_hw_available] } {
  64         lappend vectorizer_options "-mmax"
  65         set test_tree_vectorize 1
  66     } elseif [istarget ia64-*-*] {
  67         set test_tree_vectorize 1
  68     } else {
  69         set test_tree_vectorize 0
  70     }
  71
  72     set options {}
  73
  74     lappend options \
  75         { -O0 } \
  76         { -O1 } \
  77         { -O2 } \
  78         { -O2 -fomit-frame-pointer -finline-functions } \
  79         { -O2 -fomit-frame-pointer -finline-functions -funroll-loops } \
  80         { -O2 -fbounds-check } \
  81         { -O3 -g } \
  82         { -Os }
  83     if { $test_tree_vectorize } {
  84         lappend options $vectorizer_options
  85     }
  86
  87     if [info exists ADDITIONAL_TORTURE_OPTIONS] {
  88         set options [concat $options $ADDITIONAL_TORTURE_OPTIONS]
  89     }
  90
  91     return $options
  92 }
  93
  94
  95 #
  96 # fortran-torture-compile -- compile a gfortran.fortran-torture testcase.
  97 #
  98 # SRC is the full pathname of the testcase.
  99 # OPTION is the specific compiler flag we're testing (eg: -O2).
 100 #
 101 proc fortran-torture-compile { src option } {
 102     global output
 103     global srcdir tmpdir
 104     global host_triplet
 105
 106     set output "$tmpdir/[file tail [file rootname $src]].o"
 107
 108     regsub "(?q)$srcdir/" $src "" testcase
 109
 110     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 111     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 112     # out too much because different testcases with the same name can confuse
 113     # `test-tool'.
 114     if [string match "/*" $testcase] {
 115         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 116     }
 117
 118     verbose "Testing $testcase, $option" 1
 119
 120     # Run the compiler and get results in comp_output.
 121     set options ""
 122     lappend options "additional_flags=-w $option"
 123
 124     set comp_output [gfortran_target_compile "$src" "$output" object $options]
 125
 126     # See if we got something bad.
 127     set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 128
 129     if [string match "$fatal_signal 6" $comp_output] then {
 130         gfortran_fail $testcase "Got Signal 6, $option"
 131         catch { remote_file build delete $output }
 132         return
 133     }
 134
 135     if [string match "$fatal_signal 11" $comp_output] then {
 136         gfortran_fail $testcase "Got Signal 11, $option"
 137         catch { remote_file build delete $output }
 138         return
 139     }
 140
 141     if [string match "*internal compiler error*" $comp_output] then {
 142         gfortran_fail $testcase "$option (internal compiler error)"
 143         catch { remote_file build delete $output }
 144         return
 145     }
 146
 147     # We shouldn't get these because of -w, but just in case.
 148     if [string match "*95*:*warning:*" $comp_output] then {
 149         warning "$testcase: (with warnings) $option"
 150         send_log "$comp_output\n"
 151         unresolved "$testcase, $option"
 152         catch { remote_file build delete $output }
 153         return
 154     }
 155
 156     # Prune warnings we know are unwanted.
 157     set comp_output [prune_warnings $comp_output]
 158
 159     # Report if the testcase is not supported.
 160     set unsupported_message [gfortran_check_unsupported_p $comp_output]
 161     if { $unsupported_message != "" } {
 162         unsupported "$testcase: $unsupported_message"
 163         catch { remote_file build delete $output }
 164         return
 165     }
 166
 167     # remove any leftover LF/CR to make sure any output is legit
 168     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 169
 170     # If any message remains, we fail.
 171     if ![string match "" $comp_output] then {
 172         gfortran_fail $testcase $option
 173         catch { remote_file build delete $output }
 174         return
 175     }
 176
 177     gfortran_pass $testcase $option
 178     catch { remote_file build delete $output }
 179 }
 180
 181
 182 #
 183 # fortran-torture-execute -- compile and execute a testcase.
 184 #
 185 # SRC is the full pathname of the testcase.
 186 #
 187 # If the testcase has an associated .x file, we source that to run the
 188 # test instead.  We use .x so that we don't lengthen the existing filename
 189 # to more than 14 chars.
 190 #
 191 proc fortran-torture-execute { src } {
 192     global output
 193     global srcdir tmpdir
 194     global tool
 195     global compiler_conditional_xfail_data
 196     global torture_with_loops
 197
 198     # Check for alternate driver.
 199     set additional_flags ""
 200     if [file exists [file rootname $src].x] {
 201         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 202         set done_p 0
 203         catch "set done_p \[source [file rootname $src].x\]"
 204         if { $done_p } {
 205             return
 206         }
 207     }
 208
 209     # Setup the options for the testcase run.
 210     set option_list $torture_with_loops
 211     set executable $tmpdir/[file tail [file rootname $src].x]
 212     regsub "(?q)$srcdir/" $src "" testcase
 213
 214     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 215     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 216     # out too much because different testcases with the same name can confuse
 217     # `test-tool'.
 218     if [string match "/*" $testcase] {
 219         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 220     }
 221     list-module-names $src
 222
 223     # Walk the list of options and copmile and run the testcase for all
 224     # options that are not explicitly disabled by the .x script (if present).
 225     foreach option $option_list {
 226
 227         # Torture_{compile,execute}_xfail are set by the .x script.
 228         if [info exists torture_compile_xfail] {
 229             setup_xfail $torture_compile_xfail
 230         }
 231
 232         # Torture_execute_before_{compile,execute} can be set by the .x script.
 233         if [info exists torture_eval_before_compile] {
 234             set ignore_me [eval $torture_eval_before_compile]
 235         }
 236
 237         # FIXME: We should make sure that the modules required by this testcase
 238         # exist.  If not, the testcase should XFAIL.
 239
 240         # Compile the testcase.
 241         catch { remote_file build delete $executable }
 242         verbose "Testing $testcase, $option" 1
 243
 244         set options ""
 245         lappend options "additional_flags=-w $option"
 246         if { $additional_flags != "" } {
 247             lappend options "additional_flags=$additional_flags"
 248         }
 249         set comp_output [gfortran_target_compile "$src" "$executable" executable $options]
 250
 251         # See if we got something bad.
 252         set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 253
 254         if [string match "$fatal_signal 6" $comp_output] then {
 255             gfortran_fail $testcase "Got Signal 6, $option"
 256             catch { remote_file build delete $executable }
 257             continue
 258         }
 259
 260         if [string match "$fatal_signal 11" $comp_output] then {
 261             gfortran_fail $testcase "Got Signal 11, $option"
 262             catch { remote_file build delete $executable }
 263             continue
 264         }
 265
 266         if [string match "*internal compiler error*" $comp_output] then {
 267             gfortran_fail $testcase "$option (internal compiler error)"
 268             catch { remote_file build delete $executable }
 269             continue
 270         }
 271
 272         # We shouldn't get these because of -w, but just in case.
 273         if [string match "*95*:*warning:*" $comp_output] then {
 274             warning "$testcase: (with warnings) $option"
 275             send_log "$comp_output\n"
 276             unresolved "$testcase, $option"
 277             catch { remote_file build delete $executable }
 278             continue
 279         }
 280
 281         # Prune warnings we know are unwanted.
 282         set comp_output [prune_warnings $comp_output]
 283
 284         # Report if the testcase is not supported.
 285         set unsupported_message [gfortran_check_unsupported_p $comp_output]
 286         if { $unsupported_message != "" } {
 287             unsupported "$testcase: $unsupported_message"
 288             continue
 289         } elseif ![file exists $executable] {
 290             if ![is3way] {
 291                 fail "$testcase compilation, $option"
 292                 untested "$testcase execution, $option"
 293                 continue
 294             } else {
 295                 # FIXME: since we can't test for the existence of a remote
 296                 # file without short of doing an remote file list, we assume
 297                 # that since we got no output, it must have compiled.
 298                 pass "$testcase compilation, $option"
 299             }
 300         } else {
 301             pass "$testcase compilation, $option"
 302         }
 303
 304         # See if this source file uses INTEGER(KIND=8) types, if it does, and
 305         # no_long_long is set, skip execution of the test.
 306         # FIXME: We should also look for F95 style "_8" or select_int_kind()
 307         # integers, but that is obviously much harder than just regexping this.
 308         # So maybe we should just avoid those in testcases.
 309         if [target_info exists no_long_long] then {
 310             if [expr [search_for_re $src "integer\*8"] \
 311                      +[search_for_re $src "integer *( *8 *)"] \
 312                      +[search_for_re $src "integer *( *kind *= *8 *)"]] \
 313               then {
 314                 untested "$testcase execution, $option"
 315                 continue
 316             }
 317         }
 318
 319         if [info exists torture_execute_xfail] {
 320             setup_xfail $torture_execute_xfail
 321         }
 322
 323         if [info exists torture_eval_before_execute] {
 324             set ignore_me [eval $torture_eval_before_execute]
 325         }
 326
 327         # Run the testcase, and analyse the output.
 328         set result [gfortran_load "$executable" "" ""]
 329         set status [lindex $result 0]
 330         set output [lindex $result 1]
 331         if { $status == "pass" } {
 332             catch { remote_file build delete $executable }
 333         }
 334         $status "$testcase execution, $option"
 335     }
 336     cleanup-modules ""
 337 }
 338
 339
 340 #
 341 # search_for_re -- looks for a string match in a file
 342 #
 343 proc search_for_re { file pattern } {
 344     set fd [open $file r]
 345     while { [gets $fd cur_line]>=0 } {
 346         set lower [string tolower $cur_line]
 347         if [regexp "$pattern" $lower] then {
 348             close $fd
 349             return 1
 350         }
 351     }
 352     close $fd
 353     return 0
 354 }
 355
 356
 357 #
 358 # fortran-torture -- the fortran-torture testcase source file processor
 359 #
 360 # This runs compilation only tests (no execute tests).
 361 #
 362 # SRC is the full pathname of the testcase, or just a file name in which
 363 # case we prepend $srcdir/$subdir.
 364 #
 365 # If the testcase has an associated .x file, we source that to run the
 366 # test instead.  We use .x so that we don't lengthen the existing filename
 367 # to more than 14 chars.
 368 #
 369 proc fortran-torture { args } {
 370     global srcdir subdir
 371     global compiler_conditional_xfail_data
 372     global torture_with_loops
 373
 374     set src [lindex $args 0]
 375     if { [llength $args] > 1 } {
 376         set options [lindex $args 1]
 377     } else {
 378         set options ""
 379     }
 380
 381     # Prepend $srdir/$subdir if missing.
 382     if ![string match "*/*" $src] {
 383         set src "$srcdir/$subdir/$src"
 384     }
 385
 386     # Check for alternate driver.
 387     if [file exists [file rootname $src].x] {
 388         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 389         set done_p 0
 390         catch "set done_p \[source [file rootname $src].x\]"
 391         if { $done_p } {
 392             return
 393         }
 394     }
 395     list-module-names $src
 396
 397     # loop through all the options
 398     set option_list $torture_with_loops
 399     foreach option $option_list {
 400
 401         # torture_compile_xfail is set by the .x script (if present)
 402         if [info exists torture_compile_xfail] {
 403             setup_xfail $torture_compile_xfail
 404         }
 405
 406         # torture_execute_before_compile is set by the .x script (if present)
 407         if [info exists torture_eval_before_compile] {
 408             set ignore_me [eval $torture_eval_before_compile]
 409         }
 410
 411         fortran-torture-compile $src "$option $options"
 412         cleanup-modules ""
 413     }
 414 }
 415
 416 #
 417 # add-ieee-options -- add options necessary for 100% ieee conformance.
 418 #
 419 proc add-ieee-options { } {
 420     # Ensure that excess precision does not cause problems.
 421     if { [istarget i?86-*-*]
 422          || [istarget m68k-*-*] } then {
 423       uplevel 1 lappend additional_flags "-ffloat-store"
 424     }
 425
 426     # Enable full IEEE compliance mode.
 427     if { [istarget alpha*-*-*]
 428          || [istarget sh*-*-*] } then {
 429       uplevel 1 lappend additional_flags "-mieee"
 430     }
 431 }