gcc/testsuite/lib/fortran-torture.exp

   1 # Copyright (C) 2003, 2006, 2007 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
  25 # The default option list can be overridden by
  26 # TORTURE_OPTIONS="{ { list1 } ... { listN } }"
  27
  28 if ![info exists TORTURE_OPTIONS] {
  29     # determine if host supports vectorization, and the necessary set
  30     # of options, based on code from testsuite/vect/vect.exp
  31
  32     set vectorizer_options [list "-O2" "-ftree-vectorize"]
  33
  34     if { [istarget "powerpc*-*-*"]
  35          && [is-effective-target powerpc_altivec_ok]
  36          && [check_vmx_hw_available] } {
  37         lappend vectorizer_options "-maltivec"
  38         set test_tree_vectorize 1
  39     } elseif { [istarget  "spu-*-*"] } {
  40         set test_tree_vectorize 1
  41     } elseif { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
  42         lappend vectorizer_options "-msse2"
  43         set test_tree_vectorize 1
  44     } elseif { [istarget "mips*-*-*"]
  45                && [check_effective_target_mpaired_single]
  46                && [check_effective_target_nomips16] } {
  47         lappend vectorizer_options "-mpaired-single"
  48         set test_tree_vectorize 1
  49     } elseif [istarget "sparc*-*-*"] {
  50         lappend vectorizer_options "-mcpu=ultrasparc" "-mvis"
  51         set test_tree_vectorize 1
  52     } elseif { [istarget "alpha*-*-*"]
  53                && [check_alpha_max_hw_available] } {
  54         lappend vectorizer_options "-mmax"
  55         set test_tree_vectorize 1
  56     } elseif [istarget "ia64-*-*"] {
  57         set test_tree_vectorize 1
  58     } else {
  59         set test_tree_vectorize 0
  60     }
  61
  62     set TORTURE_OPTIONS [list \
  63         { -O0 } { -O1 } { -O2 } \
  64         { -O2 -fomit-frame-pointer -finline-functions } \
  65         { -O2 -fomit-frame-pointer -finline-functions -funroll-loops } \
  66         { -O2 -fbounds-check } \
  67         { -O3 -g } \
  68         { -Os }]
  69
  70     if { $test_tree_vectorize } {
  71         lappend TORTURE_OPTIONS $vectorizer_options
  72     }
  73 }
  74
  75
  76 #
  77 # fortran-torture-compile -- compile a gfortran.fortran-torture testcase.
  78 #
  79 # SRC is the full pathname of the testcase.
  80 # OPTION is the specific compiler flag we're testing (eg: -O2).
  81 #
  82 proc fortran-torture-compile { src option } {
  83     global output
  84     global srcdir tmpdir
  85     global host_triplet
  86
  87     set output "$tmpdir/[file tail [file rootname $src]].o"
  88
  89     regsub "(?q)$srcdir/" $src "" testcase
  90
  91     # If we couldn't rip $srcdir out of `src' then just do the best we can.
  92     # The point is to reduce the unnecessary noise in the logs.  Don't strip
  93     # out too much because different testcases with the same name can confuse
  94     # `test-tool'.
  95     if [string match "/*" $testcase] {
  96         set testcase "[file tail [file dirname $src]]/[file tail $src]"
  97     }
  98
  99     verbose "Testing $testcase, $option" 1
 100
 101     # Run the compiler and get results in comp_output.
 102     set options ""
 103     lappend options "additional_flags=-w $option"
 104
 105     set comp_output [gfortran_target_compile "$src" "$output" object $options]
 106
 107     # See if we got something bad.
 108     set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 109
 110     if [string match "$fatal_signal 6" $comp_output] then {
 111         gfortran_fail $testcase "Got Signal 6, $option"
 112         catch { remote_file build delete $output }
 113         return
 114     }
 115
 116     if [string match "$fatal_signal 11" $comp_output] then {
 117         gfortran_fail $testcase "Got Signal 11, $option"
 118         catch { remote_file build delete $output }
 119         return
 120     }
 121
 122     if [string match "*internal compiler error*" $comp_output] then {
 123         gfortran_fail $testcase "$option (internal compiler error)"
 124         catch { remote_file build delete $output }
 125         return
 126     }
 127
 128     # We shouldn't get these because of -w, but just in case.
 129     if [string match "*95*:*warning:*" $comp_output] then {
 130         warning "$testcase: (with warnings) $option"
 131         send_log "$comp_output\n"
 132         unresolved "$testcase, $option"
 133         catch { remote_file build delete $output }
 134         return
 135     }
 136
 137     # Prune warnings we know are unwanted.
 138     set comp_output [prune_warnings $comp_output]
 139
 140     # Report if the testcase is not supported.
 141     set unsupported_message [gfortran_check_unsupported_p $comp_output]
 142     if { $unsupported_message != "" } {
 143         unsupported "$testcase: $unsupported_message"
 144         catch { remote_file build delete $output }
 145         return
 146     }
 147
 148     # remove any leftover LF/CR to make sure any output is legit
 149     regsub -all -- "\[\r\n\]*" $comp_output "" comp_output
 150
 151     # If any message remains, we fail.
 152     if ![string match "" $comp_output] then {
 153         gfortran_fail $testcase $option
 154         catch { remote_file build delete $output }
 155         return
 156     }
 157
 158     gfortran_pass $testcase $option
 159     catch { remote_file build delete $output }
 160 }
 161
 162
 163 #
 164 # fortran-torture-execute -- compile and execute a testcase.
 165 #
 166 # SRC is the full pathname of the testcase.
 167 #
 168 # If the testcase has an associated .x file, we source that to run the
 169 # test instead.  We use .x so that we don't lengthen the existing filename
 170 # to more than 14 chars.
 171 #
 172 proc fortran-torture-execute { src } {
 173     global output
 174     global srcdir tmpdir
 175     global tool
 176     global compiler_conditional_xfail_data
 177     global TORTURE_OPTIONS
 178
 179     # Check for alternate driver.
 180     set additional_flags ""
 181     if [file exists [file rootname $src].x] {
 182         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 183         set done_p 0
 184         catch "set done_p \[source [file rootname $src].x\]"
 185         if { $done_p } {
 186             return
 187         }
 188     }
 189
 190     # Setup the options for the testcase run.
 191     set option_list $TORTURE_OPTIONS
 192     set executable $tmpdir/[file tail [file rootname $src].x]
 193     regsub "(?q)$srcdir/" $src "" testcase
 194
 195     # If we couldn't rip $srcdir out of `src' then just do the best we can.
 196     # The point is to reduce the unnecessary noise in the logs.  Don't strip
 197     # out too much because different testcases with the same name can confuse
 198     # `test-tool'.
 199     if [string match "/*" $testcase] {
 200         set testcase "[file tail [file dirname $src]]/[file tail $src]"
 201     }
 202
 203     # Walk the list of options and copmile and run the testcase for all
 204     # options that are not explicitly disabled by the .x script (if present).
 205     foreach option $option_list {
 206
 207         # Torture_{compile,execute}_xfail are set by the .x script.
 208         if [info exists torture_compile_xfail] {
 209             setup_xfail $torture_compile_xfail
 210         }
 211
 212         # Torture_execute_before_{compile,execute} can be set by the .x script.
 213         if [info exists torture_eval_before_compile] {
 214             set ignore_me [eval $torture_eval_before_compile]
 215         }
 216
 217         # FIXME: We should make sure that the modules required by this testcase
 218         # exist.  If not, the testcase should XFAIL.
 219
 220         # Compile the testcase.
 221         catch { remote_file build delete $executable }
 222         verbose "Testing $testcase, $option" 1
 223
 224         set options ""
 225         lappend options "additional_flags=-w $option"
 226         if { $additional_flags != "" } {
 227             lappend options "additional_flags=$additional_flags"
 228         }
 229         set comp_output [gfortran_target_compile "$src" "$executable" executable $options]
 230
 231         # See if we got something bad.
 232         set fatal_signal "*95*: Internal compiler error: program*got fatal signal"
 233
 234         if [string match "$fatal_signal 6" $comp_output] then {
 235             gfortran_fail $testcase "Got Signal 6, $option"
 236             catch { remote_file build delete $executable }
 237             continue
 238         }
 239
 240         if [string match "$fatal_signal 11" $comp_output] then {
 241             gfortran_fail $testcase "Got Signal 11, $option"
 242             catch { remote_file build delete $executable }
 243             continue
 244         }
 245
 246         if [string match "*internal compiler error*" $comp_output] then {
 247             gfortran_fail $testcase "$option (internal compiler error)"
 248             catch { remote_file build delete $executable }
 249             continue
 250         }
 251
 252         # We shouldn't get these because of -w, but just in case.
 253         if [string match "*95*:*warning:*" $comp_output] then {
 254             warning "$testcase: (with warnings) $option"
 255             send_log "$comp_output\n"
 256             unresolved "$testcase, $option"
 257             catch { remote_file build delete $executable }
 258             continue
 259         }
 260
 261         # Prune warnings we know are unwanted.
 262         set comp_output [prune_warnings $comp_output]
 263
 264         # Report if the testcase is not supported.
 265         set unsupported_message [gfortran_check_unsupported_p $comp_output]
 266         if { $unsupported_message != "" } {
 267             unsupported "$testcase: $unsupported_message"
 268             continue
 269         } elseif ![file exists $executable] {
 270             if ![is3way] {
 271                 fail "$testcase compilation, $option"
 272                 untested "$testcase execution, $option"
 273                 continue
 274             } else {
 275                 # FIXME: since we can't test for the existence of a remote
 276                 # file without short of doing an remote file list, we assume
 277                 # that since we got no output, it must have compiled.
 278                 pass "$testcase compilation, $option"
 279             }
 280         } else {
 281             pass "$testcase compilation, $option"
 282         }
 283
 284         # See if this source file uses INTEGER(KIND=8) types, if it does, and
 285         # no_long_long is set, skip execution of the test.
 286         # FIXME: We should also look for F95 style "_8" or select_int_kind()
 287         # integers, but that is obviously much harder than just regexping this.
 288         # So maybe we should just avoid those in testcases.
 289         if [target_info exists no_long_long] then {
 290             if [expr [search_for_re $src "integer\*8"] \
 291                      +[search_for_re $src "integer *( *8 *)"] \
 292                      +[search_for_re $src "integer *( *kind *= *8 *)"]] \
 293               then {
 294                 untested "$testcase execution, $option"
 295                 continue
 296             }
 297         }
 298
 299         if [info exists torture_execute_xfail] {
 300             setup_xfail $torture_execute_xfail
 301         }
 302
 303         if [info exists torture_eval_before_execute] {
 304             set ignore_me [eval $torture_eval_before_execute]
 305         }
 306
 307         # Run the testcase, and analyse the output.
 308         set result [gfortran_load "$executable" "" ""]
 309         set status [lindex $result 0]
 310         set output [lindex $result 1]
 311         if { $status == "pass" } {
 312             catch { remote_file build delete $executable }
 313         }
 314         $status "$testcase execution, $option"
 315     }
 316 }
 317
 318
 319 #
 320 # search_for_re -- looks for a string match in a file
 321 #
 322 proc search_for_re { file pattern } {
 323     set fd [open $file r]
 324     while { [gets $fd cur_line]>=0 } {
 325         set lower [string tolower $cur_line]
 326         if [regexp "$pattern" $lower] then {
 327             close $fd
 328             return 1
 329         }
 330     }
 331     close $fd
 332     return 0
 333 }
 334
 335
 336 #
 337 # fortran-torture -- the fortran-torture testcase source file processor
 338 #
 339 # This runs compilation only tests (no execute tests).
 340 #
 341 # SRC is the full pathname of the testcase, or just a file name in which
 342 # case we prepend $srcdir/$subdir.
 343 #
 344 # If the testcase has an associated .x file, we source that to run the
 345 # test instead.  We use .x so that we don't lengthen the existing filename
 346 # to more than 14 chars.
 347 #
 348 proc fortran-torture { args } {
 349     global srcdir subdir
 350     global compiler_conditional_xfail_data
 351     global TORTURE_OPTIONS
 352
 353     set src [lindex $args 0]
 354     if { [llength $args] > 1 } {
 355         set options [lindex $args 1]
 356     } else {
 357         set options ""
 358     }
 359
 360     # Prepend $srdir/$subdir if missing.
 361     if ![string match "*/*" $src] {
 362         set src "$srcdir/$subdir/$src"
 363     }
 364
 365     # Check for alternate driver.
 366     if [file exists [file rootname $src].x] {
 367         verbose "Using alternate driver [file rootname [file tail $src]].x" 2
 368         set done_p 0
 369         catch "set done_p \[source [file rootname $src].x\]"
 370         if { $done_p } {
 371             return
 372         }
 373     }
 374
 375     # loop through all the options
 376     set option_list $TORTURE_OPTIONS
 377     foreach option $option_list {
 378
 379         # torture_compile_xfail is set by the .x script (if present)
 380         if [info exists torture_compile_xfail] {
 381             setup_xfail $torture_compile_xfail
 382         }
 383
 384         # torture_execute_before_compile is set by the .x script (if present)
 385         if [info exists torture_eval_before_compile] {
 386             set ignore_me [eval $torture_eval_before_compile]
 387         }
 388
 389         fortran-torture-compile $src "$option $options"
 390     }
 391 }
 392
 393 #
 394 # add-ieee-options -- add options necessary for 100% ieee conformance.
 395 #
 396 proc add-ieee-options { } {
 397     # Ensure that excess precision does not cause problems.
 398     if { [istarget "i?86-*-*"]
 399          || [istarget "m68k-*-*"] } then {
 400       uplevel 1 lappend additional_flags "-ffloat-store"
 401     }
 402
 403     # Enable full IEEE compliance mode.
 404     if { [istarget "alpha*-*-*"]
 405          || [istarget "sh*-*-*"] } then {
 406       uplevel 1 lappend additional_flags "-mieee"
 407     }
 408 }