gcc/testsuite/lib/fortran-torture.exp

   1 # Copyright (C) 2003-2018 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 spu-*-*] } {
  48         set test_tree_vectorize 1
  49     } elseif { ( [istarget i?86-*-*] || [istarget x86_64-*-*] )
  50                && [check_effective_target_sse2]
  51                && [check_sse2_hw_available]
  52                && [check_sse_os_support_available] } {
  53         lappend vectorizer_options "-msse2"
  54         set test_tree_vectorize 1
  55     } elseif { [istarget mips*-*-*]
  56                && [check_effective_target_mpaired_single]
  57                && [check_effective_target_nomips16] } {
  58         lappend vectorizer_options "-mpaired-single"
  59         set test_tree_vectorize 1
  60     } elseif { [istarget sparc*-*-*]
  61                && [check_effective_target_ultrasparc_hw] } {
  62         lappend vectorizer_options "-mcpu=ultrasparc" "-mvis"
  63         set test_tree_vectorize 1
  64     } elseif { [istarget alpha*-*-*]
  65                && [check_alpha_max_hw_available] } {
  66         lappend vectorizer_options "-mmax"
  67         set test_tree_vectorize 1
  68     } elseif [istarget ia64-*-*] {
  69         set test_tree_vectorize 1
  70     } else {
  71         set test_tree_vectorize 0
  72     }
  73
  74     set options {}
  75
  76     lappend options \
  77         { -O0 } \
  78         { -O1 } \
  79         { -O2 } \
  80         { -O2 -fomit-frame-pointer -finline-functions } \
  81         { -O2 -fomit-frame-pointer -finline-functions -funroll-loops } \
  82         { -O2 -fbounds-check } \
  83         { -O3 -g } \
  84         { -Os }
  85     if { $test_tree_vectorize } {
  86         lappend options $vectorizer_options
  87     }
  88
  89     if [info exists ADDITIONAL_TORTURE_OPTIONS] {
  90         set options [concat $options $ADDITIONAL_TORTURE_OPTIONS]
  91     }
  92
  93     return $options
  94 }
  95
  96
  97 #
  98 # fortran-torture-compile -- compile a gfortran.fortran-torture testcase.
  99 #
 100 # SRC is the full pathname of the testcase.
 101 # OPTION is the specific compiler flag we're testing (eg: -O2).
 102 #
 103 proc fortran-torture-compile { src option } {
 104     global output
 105     global srcdir tmpdir
 106     global host_triplet
 107
 108     set output "$tmpdir/[file tail [file rootname $src]].o"
 109
 110     regsub "(?q)$srcdir/" $src "" testcase
 111
 112     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 113     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 114     # out too much because different testcases with the same name can confuse
 115     # `test-tool'.
 116     if [string match "/*" $testcase] {
 117         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 118     }
 119
 120     verbose "Testing $testcase, $option" 1
 121
 122     # Run the compiler and get results in comp_output.
 123     set options ""
 124     lappend options "additional_flags=-w $option"
 125
 126     set comp_output [gfortran_target_compile "$src" "$output" object $options]
 127
 128     # See if we got something bad.
 129     set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 130
 131     if [string match "$fatal_signal 6" $comp_output] then {
 132         gfortran_fail $testcase "Got Signal 6, $option"
 133         catch { remote_file build delete $output }
 134         return
 135     }
 136
 137     if [string match "$fatal_signal 11" $comp_output] then {
 138         gfortran_fail $testcase "Got Signal 11, $option"
 139         catch { remote_file build delete $output }
 140         return
 141     }
 142
 143     if [string match "*internal compiler error*" $comp_output] then {
 144         gfortran_fail $testcase "$option (internal compiler error)"
 145         catch { remote_file build delete $output }
 146         return
 147     }
 148
 149     # We shouldn't get these because of -w, but just in case.
 150     if [string match "*95*:*warning:*" $comp_output] then {
 151         warning "$testcase: (with warnings) $option"
 152         send_log "$comp_output\n"
 153         unresolved "$testcase, $option"
 154         catch { remote_file build delete $output }
 155         return
 156     }
 157
 158     # Prune warnings we know are unwanted.
 159     set comp_output [prune_warnings $comp_output]
 160
 161     # Report if the testcase is not supported.
 162     set unsupported_message [gfortran_check_unsupported_p $comp_output]
 163     if { $unsupported_message != "" } {
 164         unsupported "$testcase: $unsupported_message"
 165         catch { remote_file build delete $output }
 166         return
 167     }
 168
 169     # remove any leftover LF/CR to make sure any output is legit
 170     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 171
 172     # If any message remains, we fail.
 173     if ![string match "" $comp_output] then {
 174         gfortran_fail $testcase $option
 175         catch { remote_file build delete $output }
 176         return
 177     }
 178
 179     gfortran_pass $testcase $option
 180     catch { remote_file build delete $output }
 181 }
 182
 183
 184 #
 185 # fortran-torture-execute -- compile and execute a testcase.
 186 #
 187 # SRC is the full pathname of the testcase.
 188 #
 189 # If the testcase has an associated .x file, we source that to run the
 190 # test instead.  We use .x so that we don't lengthen the existing filename
 191 # to more than 14 chars.
 192 #
 193 proc fortran-torture-execute { src } {
 194     global output
 195     global srcdir tmpdir
 196     global tool
 197     global compiler_conditional_xfail_data
 198     global torture_with_loops
 199
 200     # Check for alternate driver.
 201     set additional_flags ""
 202     if [file exists [file rootname $src].x] {
 203         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 204         set done_p 0
 205         catch "set done_p \[source [file rootname $src].x\]"
 206         if { $done_p } {
 207             return
 208         }
 209     }
 210
 211     # Setup the options for the testcase run.
 212     set option_list $torture_with_loops
 213     set executable $tmpdir/[file tail [file rootname $src].x]
 214     regsub "(?q)$srcdir/" $src "" testcase
 215
 216     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 217     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 218     # out too much because different testcases with the same name can confuse
 219     # `test-tool'.
 220     if [string match "/*" $testcase] {
 221         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 222     }
 223     list-module-names $src
 224
 225     # Walk the list of options and copmile and run the testcase for all
 226     # options that are not explicitly disabled by the .x script (if present).
 227     foreach option $option_list {
 228
 229         # Torture_{compile,execute}_xfail are set by the .x script.
 230         if [info exists torture_compile_xfail] {
 231             setup_xfail $torture_compile_xfail
 232         }
 233
 234         # Torture_execute_before_{compile,execute} can be set by the .x script.
 235         if [info exists torture_eval_before_compile] {
 236             set ignore_me [eval $torture_eval_before_compile]
 237         }
 238
 239         # FIXME: We should make sure that the modules required by this testcase
 240         # exist.  If not, the testcase should XFAIL.
 241
 242         # Compile the testcase.
 243         catch { remote_file build delete $executable }
 244         verbose "Testing $testcase, $option" 1
 245
 246         set options ""
 247         lappend options "additional_flags=-w $option"
 248         if { $additional_flags != "" } {
 249             lappend options "additional_flags=$additional_flags"
 250         }
 251         set comp_output [gfortran_target_compile "$src" "$executable" executable $options]
 252
 253         # See if we got something bad.
 254         set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 255
 256         if [string match "$fatal_signal 6" $comp_output] then {
 257             gfortran_fail $testcase "Got Signal 6, $option"
 258             catch { remote_file build delete $executable }
 259             continue
 260         }
 261
 262         if [string match "$fatal_signal 11" $comp_output] then {
 263             gfortran_fail $testcase "Got Signal 11, $option"
 264             catch { remote_file build delete $executable }
 265             continue
 266         }
 267
 268         if [string match "*internal compiler error*" $comp_output] then {
 269             gfortran_fail $testcase "$option (internal compiler error)"
 270             catch { remote_file build delete $executable }
 271             continue
 272         }
 273
 274         # We shouldn't get these because of -w, but just in case.
 275         if [string match "*95*:*warning:*" $comp_output] then {
 276             warning "$testcase: (with warnings) $option"
 277             send_log "$comp_output\n"
 278             unresolved "$testcase, $option"
 279             catch { remote_file build delete $executable }
 280             continue
 281         }
 282
 283         # Prune warnings we know are unwanted.
 284         set comp_output [prune_warnings $comp_output]
 285
 286         # Report if the testcase is not supported.
 287         set unsupported_message [gfortran_check_unsupported_p $comp_output]
 288         if { $unsupported_message != "" } {
 289             unsupported "$testcase: $unsupported_message"
 290             continue
 291         } elseif ![file exists $executable] {
 292             if ![is3way] {
 293                 fail "$testcase compilation, $option"
 294                 untested "$testcase execution, $option"
 295                 continue
 296             } else {
 297                 # FIXME: since we can't test for the existence of a remote
 298                 # file without short of doing an remote file list, we assume
 299                 # that since we got no output, it must have compiled.
 300                 pass "$testcase compilation, $option"
 301             }
 302         } else {
 303             pass "$testcase compilation, $option"
 304         }
 305
 306         # See if this source file uses INTEGER(KIND=8) types, if it does, and
 307         # no_long_long is set, skip execution of the test.
 308         # FIXME: We should also look for F95 style "_8" or select_int_kind()
 309         # integers, but that is obviously much harder than just regexping this.
 310         # So maybe we should just avoid those in testcases.
 311         if [target_info exists no_long_long] then {
 312             if [expr [search_for_re $src "integer\*8"] \
 313                      +[search_for_re $src "integer *( *8 *)"] \
 314                      +[search_for_re $src "integer *( *kind *= *8 *)"]] \
 315               then {
 316                 untested "$testcase execution, $option"
 317                 continue
 318             }
 319         }
 320
 321         if [info exists torture_execute_xfail] {
 322             setup_xfail $torture_execute_xfail
 323         }
 324
 325         if [info exists torture_eval_before_execute] {
 326             set ignore_me [eval $torture_eval_before_execute]
 327         }
 328
 329         # Run the testcase, and analyse the output.
 330         set result [gfortran_load "$executable" "" ""]
 331         set status [lindex $result 0]
 332         set output [lindex $result 1]
 333         if { $status == "pass" } {
 334             catch { remote_file build delete $executable }
 335         }
 336         $status "$testcase execution, $option"
 337     }
 338     cleanup-modules ""
 339 }
 340
 341
 342 #
 343 # search_for_re -- looks for a string match in a file
 344 #
 345 proc search_for_re { file pattern } {
 346     set fd [open $file r]
 347     while { [gets $fd cur_line]>=0 } {
 348         set lower [string tolower $cur_line]
 349         if [regexp "$pattern" $lower] then {
 350             close $fd
 351             return 1
 352         }
 353     }
 354     close $fd
 355     return 0
 356 }
 357
 358
 359 #
 360 # fortran-torture -- the fortran-torture testcase source file processor
 361 #
 362 # This runs compilation only tests (no execute tests).
 363 #
 364 # SRC is the full pathname of the testcase, or just a file name in which
 365 # case we prepend $srcdir/$subdir.
 366 #
 367 # If the testcase has an associated .x file, we source that to run the
 368 # test instead.  We use .x so that we don't lengthen the existing filename
 369 # to more than 14 chars.
 370 #
 371 proc fortran-torture { args } {
 372     global srcdir subdir
 373     global compiler_conditional_xfail_data
 374     global torture_with_loops
 375
 376     set src [lindex $args 0]
 377     if { [llength $args] > 1 } {
 378         set options [lindex $args 1]
 379     } else {
 380         set options ""
 381     }
 382
 383     # Prepend $srdir/$subdir if missing.
 384     if ![string match "*/*" $src] {
 385         set src "$srcdir/$subdir/$src"
 386     }
 387
 388     # Check for alternate driver.
 389     if [file exists [file rootname $src].x] {
 390         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 391         set done_p 0
 392         catch "set done_p \[source [file rootname $src].x\]"
 393         if { $done_p } {
 394             return
 395         }
 396     }
 397     list-module-names $src
 398
 399     # loop through all the options
 400     set option_list $torture_with_loops
 401     foreach option $option_list {
 402
 403         # torture_compile_xfail is set by the .x script (if present)
 404         if [info exists torture_compile_xfail] {
 405             setup_xfail $torture_compile_xfail
 406         }
 407
 408         # torture_execute_before_compile is set by the .x script (if present)
 409         if [info exists torture_eval_before_compile] {
 410             set ignore_me [eval $torture_eval_before_compile]
 411         }
 412
 413         fortran-torture-compile $src "$option $options"
 414         cleanup-modules ""
 415     }
 416 }
 417
 418 #
 419 # add-ieee-options -- add options necessary for 100% ieee conformance.
 420 #
 421 proc add-ieee-options { } {
 422     # Ensure that excess precision does not cause problems.
 423     if { [istarget i?86-*-*]
 424          || [istarget m68k-*-*] } then {
 425       uplevel 1 lappend additional_flags "-ffloat-store"
 426     }
 427
 428     # Enable full IEEE compliance mode.
 429     if { [istarget alpha*-*-*]
 430          || [istarget sh*-*-*] } then {
 431       uplevel 1 lappend additional_flags "-mieee"
 432     }
 433 }