gcc/testsuite/go.test/go-test.exp

   1 #   Copyright (C) 2009-2014 Free Software Foundation, Inc.
   2 #   Written by Ian Lance Taylor <iant@google.com>.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with GCC; see the file COPYING3.  If not see
  16 # <http://www.gnu.org/licenses/>.
  17
  18
  19 # Test using the testsuite for the gc Go compiler.  In these tests the
  20 # first line is a shell script to run.  That line expects the
  21 # following environment variables to be set:
  22 #   A   The file extension of the object file and the name of the executable
  23 #   G   The name of the compiler
  24 #   L   The name of the linker
  25 #   F   The basename of the test
  26 #   D   The directory of the test.
  27 #
  28 # Typical command lines:
  29 # // compile
  30 # // run
  31 # // $G $D/$F.go && $L $F.$A && ./$A.out
  32 # // $G $D/$F.go && $L $F.$A || echo BUG: known to fail incorrectly
  33 # // $G $D/$F.go && echo BUG: compilation succeeds incorrectly
  34 # // $G $D/$F.go || echo BUG: compilation should succeed
  35
  36 load_lib go-dg.exp
  37 load_lib go-torture.exp
  38 load_lib target-supports.exp
  39
  40 # Compare two files
  41 proc filecmp { file1 file2 testname } {
  42     set f1 [open $file1 r]
  43     set f2 [open $file2 r]
  44     set ok 1
  45     while { [gets $f1 line1] >= 0 } {
  46         if { [gets $f2 line2] < 0 } {
  47             verbose -log "output mismatch: $file2 shorter than $file1"
  48             set ok 0
  49             break
  50         }
  51         if { $line1 != $line2 } {
  52             verbose -log "output mismatch comparing $file1 and $file2"
  53             verbose -log "expected \"$line1\""
  54             verbose -log "got      \"$line2\""
  55             set ok 0
  56             break
  57         }
  58     }
  59     if { [gets $f2 line2] >= 0 } {
  60         verbose -log "output mismatch: $file1 shorter than $file2"
  61         set ok 0
  62     }
  63     close $f1
  64     close $f2
  65     if { ! $ok } {
  66         fail $testname
  67     } else {
  68         pass $testname
  69     }
  70 }
  71
  72 # Implement errchk
  73 proc errchk { test opts } {
  74     global dg-do-what-default
  75     global DEFAULT_GOCFLAGS
  76     global runtests
  77
  78     set saved-dg-do-what-default ${dg-do-what-default}
  79     set dg-do-what-default compile
  80     set filename [file tail $test]
  81     if { "$filename" == "$test" } {
  82         set filename "errchk-$filename"
  83     }
  84     set fdin [open $test r]
  85     fconfigure $fdin -encoding binary
  86     set fdout [open $filename w]
  87     fconfigure $fdout -encoding binary
  88     while { [gets $fdin copy_line] >= 0 } {
  89         if [string match "*////*" $copy_line] {
  90             puts $fdout $copy_line
  91             continue
  92         }
  93
  94         # Combine quoted strings in comments, so that
  95         # // ERROR "first error" "second error"
  96         # turns into
  97         # // ERROR "first error|second error"
  98         # This format is used by the master testsuite to recognize
  99         # multiple errors on a single line.  We don't require that all
 100         # the errors be present, but we do want to accept any of them.
 101         set changed ""
 102         while { $changed != $copy_line } {
 103             set changed $copy_line
 104             regsub "\(// \[^\"\]*\"\[^\"\]*\)\" \"" $copy_line "\\1|" out_line
 105             set copy_line $out_line
 106         }
 107
 108         regsub "// \(GCCGO_\)?ERROR \"\(\[^\"\]*\)\".*$" $copy_line "// \{ dg-error \"\\2\" \}" out_line
 109         if [string match "*dg-error*\\\[*" $out_line] {
 110             set index [string first "dg-error" $out_line]
 111             regsub -start $index -all "\\\\\\\[" $out_line "\\\\\\\\\\\[" out_line
 112         }
 113         if [string match "*dg-error*\\\]*" $out_line] {
 114             set index [string first "dg-error" $out_line]
 115             regsub -start $index -all "\\\\\\\]" $out_line "\\\\\\\\\\\]" out_line
 116         }
 117         if [string match "*dg-error*.\**" $out_line] {
 118             # I worked out the right number of backslashes by
 119             # experimentation, not analysis.
 120             regsub -all "\\.\\*" $out_line "\\\\\[ -~\\\\\]*" out_line
 121         }
 122         if [string match "*dg-error*\\\[?\\\]*" $out_line] {
 123             set index [string first "dg-error" $out_line]
 124             regsub -all "\\\[\(.\)\\\]" $out_line "\\\\\[\\1\\\\\]" out_line
 125         }
 126         if [string match "*dg-error*\{*" $out_line] {
 127             set index [string first "dg-error" $out_line]
 128             regsub -start $index -all "\(\[^\\\\]\)\{" $out_line "\\1\\\\\[\\\{\\\\\]" out_line
 129         }
 130         if [string match "*dg-error*\}*\}" $out_line] {
 131             set index [string first "dg-error" $out_line]
 132             regsub -start $index -all "\(\[^\\\\]\)\}\(.\)" $out_line "\\1\\\\\[\\\}\\\\\]\\2" out_line
 133         }
 134         if [string match "*dg-error*\(*" $out_line] {
 135             set index [string first "dg-error" $out_line]
 136             regsub -start $index -all "\\\\\\\(" $out_line "\\\\\[\\\(\\\\\]" out_line
 137         }
 138         if [string match "*dg-error*\)*\}" $out_line] {
 139             set index [string first "dg-error" $out_line]
 140             regsub -start $index -all "\\\\\\\)\(.\)" $out_line "\\\\\[\\\)\\\\\]\\1" out_line
 141         }
 142         # Special case for bug332, in which the error message wants to
 143         # match the file name, which is not what dg-error expects.
 144         if [string match "*dg-error*bug332*" $out_line] {
 145             set index [string first "dg-error" $out_line]
 146             regsub -start $index "bug332" $out_line "undefined type" out_line
 147         }
 148         puts $fdout $out_line
 149     }
 150     close $fdin
 151     close $fdout
 152
 153     set hold_runtests $runtests
 154     set runtests "go-test.exp"
 155     go-dg-runtest $filename "" "-fno-show-column $DEFAULT_GOCFLAGS $opts"
 156     set runtests $hold_runtests
 157
 158     file delete $filename
 159     set dg-do-what-default ${saved-dg-do-what-default}
 160 }
 161
 162 # This is an execution test which should fail.
 163 proc go-execute-xfail { test } {
 164     global DEFAULT_GOCFLAGS
 165     global runtests
 166
 167     set filename [file tail $test]
 168     set fdin [open $test r]
 169     set fdout [open $filename w]
 170     puts $fdout "// { dg-do run { xfail *-*-* } }"
 171     while { [gets $fdin copy_line] >= 0 } {
 172         puts $fdout $copy_line
 173     }
 174     close $fdin
 175     close $fdout
 176
 177     set hold_runtests $runtests
 178     set runtests "go-test.exp"
 179     go-dg-runtest $filename "" "-w $DEFAULT_GOCFLAGS"
 180     set runtests $hold_runtests
 181
 182     file delete $filename
 183 }
 184
 185 # N.B. Keep in sync with libgo/configure.ac.
 186 proc go-set-goarch { } {
 187     global target_triplet
 188
 189     switch -glob $target_triplet {
 190         "aarch64*-*-*" {
 191             set goarch "arm64"
 192         }
 193         "alpha*-*-*" {
 194             set goarch "alpha"
 195         }
 196         "arm*-*-*" -
 197         "ep9312*-*-*" -
 198         "strongarm*-*-*" -
 199         "xscale-*-*" {
 200             set goarch "arm"
 201         }
 202         "i?86-*-*" -
 203         "x86_64-*-*" {
 204             if [check_effective_target_ia32] {
 205                 set goarch "386"
 206             } else {
 207                 set goarch "amd64"
 208             }
 209         }
 210         "mips*-*-*" {
 211             if [check_no_compiler_messages mipso32 assembly {
 212                 #if _MIPS_SIM != _ABIO32
 213                 #error FOO
 214                 #endif
 215             }] {
 216                 set goarch "mipso32"
 217             } elseif [check_no_compiler_messages mipsn32 assembly {
 218                 #if _MIPS_SIM != _ABIN32
 219                 #error FOO
 220                 #endif
 221             }] {
 222                 set goarch "mipsn32"
 223             } elseif [check_no_compiler_messages mipsn64 assembly {
 224                 #if _MIPS_SIM != _ABI64
 225                 #error FOO
 226                 #endif
 227             }] {
 228                 set goarch "mipsn64"
 229             } elseif [check_no_compiler_messages mipso64 assembly {
 230                 #if _MIPS_SIM != _ABIO64
 231                 #error FOO
 232                 #endif
 233             }] {
 234                 set goarch "mipso64"
 235             } else {
 236                 perror "$target_triplet: unrecognized MIPS ABI"
 237                 return ""
 238             }
 239         }
 240         "powerpc*-*-*" {
 241             if [check_effective_target_ilp32] {
 242                 set goarch "ppc"
 243             } else {
 244                 set goarch "ppc64"
 245             }
 246         }
 247         "sparc*-*-*" {
 248             if [check_effective_target_ilp32] {
 249                 set goarch "sparc"
 250             } else {
 251                 set goarch "sparc64"
 252             }
 253         }
 254         default {
 255             perror "$target_triplet: unhandled architecture"
 256             return ""
 257         }
 258     }
 259     verbose -log "Setting GOARCH=$goarch" 1
 260     setenv GOARCH $goarch
 261 }
 262
 263 # Take a list of files and return a lists of lists, where each list is
 264 # the set of files in the same package.
 265 proc go-find-packages { test name files } {
 266     set packages [list]
 267     foreach f $files {
 268         set fd [open $f r]
 269         while 1 {
 270             if { [gets $fd line] < 0 } {
 271                 close $fd
 272                 clone_output "$test: could not read $f"
 273                 unresolved $name
 274                 return [list]
 275             }
 276
 277             if { [regexp "^package (\\w+)" $line match package] } {
 278                 set len [llength $packages]
 279                 for { set i 0 } { $i < $len } { incr i } {
 280                     set p [lindex $packages $i]
 281                     if { [lindex $p 0] == $package } {
 282                         lappend p $f
 283                         lset packages $i $p
 284                         break
 285                     }
 286                 }
 287                 if { $i >= $len } {
 288                     lappend packages [list $package $f]
 289                 }
 290
 291                 close $fd
 292                 break
 293             }
 294         }
 295     }
 296     return $packages
 297 }
 298
 299 proc go-gc-tests { } {
 300     global srcdir subdir
 301     global runtests
 302     global GCC_UNDER_TEST
 303     global TOOL_OPTIONS
 304     global TORTURE_OPTIONS
 305     global dg-do-what-default
 306     global go_compile_args
 307     global go_execute_args
 308     global target_triplet
 309
 310     # If a testcase doesn't have special options, use these.
 311     global DEFAULT_GOCFLAGS
 312     if ![info exists DEFAULT_GOCFLAGS] {
 313         set DEFAULT_GOCFLAGS " -pedantic-errors"
 314     }
 315
 316     set options ""
 317     lappend options "additional_flags=$DEFAULT_GOCFLAGS"
 318
 319     # Set GOARCH for tests that need it.
 320     go-set-goarch
 321
 322     # Running all the torture options takes too long and, since the
 323     # frontend ignores the standard options, it doesn't significantly
 324     # improve testing.
 325     set saved_torture_options $TORTURE_OPTIONS
 326     set TORTURE_OPTIONS [list { -O2 -g }]
 327
 328     set saved-dg-do-what-default ${dg-do-what-default}
 329
 330     set testdir [pwd]
 331
 332     set tests [lsort [find $srcdir/$subdir *.go]]
 333     foreach test $tests {
 334         if ![runtest_file_p $runtests $test] {
 335             continue
 336         }
 337
 338         # Skip the files in bench; they are not tests.
 339         if [string match "*go.test/test/bench/*" $test] {
 340             continue
 341         }
 342
 343         # Skip the files in stress; they are not tests.
 344         if [string match "*go.test/test/stress/*" $test] {
 345             continue
 346         }
 347
 348         # Skip the files in safe; gccgo does not support safe mode.
 349         if [string match "*go.test/test/safe/*" $test] {
 350             continue
 351         }
 352
 353         # Skip files in sub-subdirectories: they are components of
 354         # other tests.
 355         if [string match "*go.test/test/*/*/*" $test] {
 356             continue
 357         }
 358
 359         # Skip files in *.dir subdirectories: they are components of
 360         # other tests.
 361         if [string match "*go.test/test/*.dir/*" $test] {
 362             continue
 363         }
 364
 365         set name [dg-trim-dirname $srcdir $test]
 366
 367         # Skip certain tests if target is RTEMS OS.
 368         if [istarget "*-*-rtems*"] {
 369             if { [string match "*go.test/test/args.go" $test] \
 370                  || [string match "*go.test/test/env.go" $test] } {
 371                     untested "$name: uses the command-line or environment variables"
 372                     continue
 373             }
 374
 375             if { [string match "*go.test/test/stack.go" $test] \
 376                  || [string match "*go.test/test/peano.go" $test] \
 377                  || [string match "*go.test/test/chan/goroutines.go" $test] } {
 378                     untested "$name: has very high memory requirement"
 379                     continue
 380             }
 381         }
 382
 383         # Handle certain tests in a target-dependant way.
 384         if { [istarget "alpha*-*-*"] || [istarget "sparc*-*-solaris*"] || [istarget "powerpc*-*-*"] } {
 385             if { [string match "*go.test/test/nilptr.go" $test] } {
 386                 untested $test
 387                 continue
 388             }
 389         }
 390
 391         if { [file tail $test] == "init1.go" } {
 392             # This tests whether GC runs during init, which for gccgo
 393             # it currently does not.
 394             untested $name
 395             continue
 396         }
 397
 398         if { [file tail $test] == "closure.go" } {
 399             # This tests whether function closures do any memory
 400             # allocation, which for gccgo they currently do.
 401             untested $name
 402             continue
 403         }
 404
 405         if { ( [file tail $test] == "select2.go" \
 406                    || [file tail $test] == "stack.go" \
 407                    || [file tail $test] == "peano.go" ) \
 408                  && ! [check_effective_target_split_stack] } {
 409             # These tests fails on targets without split stack.
 410             untested $name
 411             continue
 412         }
 413
 414         if [string match "*go.test/test/rotate\[0123\].go" $test] {
 415             # These tests produces a temporary file that takes too long
 416             # to compile--5 minutes on my laptop without optimization.
 417             # When compiling without optimization it tests nothing
 418             # useful, since the point of the test is to see whether
 419             # the compiler generates rotate instructions.
 420             untested $name
 421             continue
 422         }
 423
 424         if { [file tail $test] == "bug347.go" \
 425                  || [file tail $test] == "bug348.go" } {
 426             # These tests don't work if the functions are inlined.
 427             set TORTURE_OPTIONS [list { -O0 -g }]
 428         }
 429
 430         set fd [open $test r]
 431
 432         set lines_ok 1
 433
 434         while 1 {
 435             if { [gets $fd test_line] < 0 } {
 436                 close $fd
 437                 clone_output "$test: could not read first line"
 438                 unresolved $name
 439                 set lines_ok 0
 440                 break
 441             }
 442
 443             if { [ string match "*nacl*exit 0*" $test_line ] \
 444                      || [ string match "*exit 0*nacl*" $test_line ] \
 445                      || [ string match "*Android*exit 0*" $test_line ] \
 446                      || [ string match "*exit 0*Android*" $test_line ] \
 447                      || [ string match "*\"\$GOOS\" == windows*" $test_line ] } {
 448                 continue
 449             }
 450
 451             if { [ string match "// +build *" $test_line ] } {
 452                 if { [ string match "*[getenv GOARCH]*" $test_line ] } {
 453                     continue
 454                 }
 455                 if { [ string match "*linux*" $test_line ] } {
 456                     continue
 457                 }
 458                 if { [ string match "*!windows*" $test_line ] } {
 459                     continue
 460                 }
 461                 close $fd
 462                 unsupported $name
 463                 set lines_ok 0
 464             }
 465
 466             break
 467         }
 468
 469         if { $lines_ok == 0 } {
 470             continue
 471         }
 472
 473         set lineno 1
 474         set test_line1 $test_line
 475
 476         while { [eval "string match \"//*&&\" \${test_line$lineno}"] } {
 477             set lineno [expr $lineno + 1]
 478             if { [eval "gets \$fd test_line$lineno"] < 0 } {
 479                 close $fd
 480                 clone_output "$test: could not read line $lineno"
 481                 unresolved $name
 482                 set lines_ok 0
 483                 break
 484             }
 485         }
 486         if { $lines_ok == 0 } {
 487             continue
 488         }
 489
 490         close $fd
 491
 492         set go_compile_args ""
 493         set go_execute_args ""
 494         if { [regexp "// run (\[^|&>2\].*)\$" $test_line match progargs] \
 495                  && ! [string match "*.go*" "$progargs"] } {
 496             set go_execute_args $progargs
 497             verbose -log "$test: go_execute_args is $go_execute_args"
 498             set index [string last " $progargs" $test_line]
 499             set test_line [string replace $test_line $index end]
 500         } elseif { [string match "*go.test/test/chan/goroutines.go" $test] \
 501                    && [getenv GCCGO_RUN_ALL_TESTS] == "" } {
 502             # goroutines.go spawns by default 10000 threads, which is too much
 503             # for many OSes.
 504             if { [getenv GCC_TEST_RUN_EXPENSIVE] == "" } {
 505                 set go_execute_args 64
 506             } elseif { ![is_remote host] && ![is_remote target] } {
 507                 # When using low ulimit -u limit, use maximum of
 508                 # a quarter of that limit and 10000 even when running expensive
 509                 # tests, otherwise parallel tests might fail after fork failures.
 510                 set nproc [lindex [remote_exec host {sh -c ulimit\ -u}] 1]
 511                 if { [string is integer -strict $nproc] } {
 512                         set nproc [expr $nproc / 4]
 513                         if { $nproc > 10000 } { set nproc 10000 }
 514                         if { $nproc < 16 } { set nproc 16 }
 515                         set go_execute_args $nproc
 516                 }
 517             }
 518             if { "$go_execute_args" != "" } {
 519                 verbose -log "$test: go_execute_args is $go_execute_args"
 520             }
 521         }
 522
 523         if { $test_line == "// compile"
 524              || $test_line == "// echo bug395 is broken  # takes 90+ seconds to break" } {
 525             # This is a vanilla compile test.
 526             set dg-do-what-default "assemble"
 527             go-dg-runtest $test "" "-w $DEFAULT_GOCFLAGS"
 528         } elseif { $test_line == "// run"
 529                    || $test_line == "// \$G \$F.go && \$L \$F.\$A && ./\$A.out" } {
 530             # This is a vanilla execution test.
 531             go-torture-execute $test
 532             file delete core [glob -nocomplain core.*]
 533         } elseif { $test_line == "// build" } {
 534             # This is a vanilla compile and link test.
 535             set dg-do-what-default "link"
 536             go-dg-runtest $test "" "-w $DEFAULT_GOCFLAGS"
 537         } elseif { [string match "// runoutput*" $test_line] \
 538                        || ($test_line == "// \$G \$D/\$F.go && \$L \$F.\$A &&"
 539                            && $test_line2 == "// ./\$A.out >tmp.go && \$G tmp.go && \$L -o \$A.out1 tmp.\$A && ./\$A.out1") } {
 540             # Run the test to get a .go program to run.
 541             set go_execute_args ""
 542             set hold_runtests $runtests
 543             set runtests "go-test.exp"
 544             set files [list]
 545             if { [string match "// runoutput*" $test_line] } {
 546                 set args ""
 547                 regsub "// runoutput\(.*\)" $test_line "\\1" args
 548                 foreach f $args {
 549                     lappend files "[file dirname $test]/$f"
 550                 }
 551             }
 552             set dg-do-what-default "link"
 553             dg-test -keep-output $test "-O" "$files -w $DEFAULT_GOCFLAGS"
 554             set output_file "./[file rootname [file tail $test]].exe"
 555             set base "[file rootname [file tail $test]]"
 556             if [isnative] {
 557                 if { [catch "exec $output_file >$base-out.go"] != 0 } {
 558                     fail "$name execution"
 559                 } else {
 560                     pass "$name execution"
 561                     file delete $base-out.x
 562                     # Disable optimizations as some of these tests
 563                     # take a long time to compile.
 564                     set TORTURE_OPTIONS [list { -O0 -g -fno-var-tracking-assignments }]
 565                     go-torture-execute "./$base-out.go"
 566                 }
 567                 file delete $base-out.go
 568             }
 569             file delete $output_file
 570             set runtests $hold_runtests
 571         } elseif { $test_line == "// cmpout" \
 572                    || $test_line == "// (\$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out 2>&1 | cmp - \$D/\$F.out)" } {
 573             # This is an execution test for which we need to check the
 574             # program output.
 575             set hold_runtests $runtests
 576             set runtests "go-test.exp"
 577             set dg-do-what-default "link"
 578             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 579             set output_file "./[file rootname [file tail $test]].exe"
 580             set base "[file rootname [file tail $test]]"
 581             if [isnative] {
 582                 verbose -log "$output_file >$base.p 2>&1"
 583                 if { [catch "exec $output_file 2>$base.p" catcherr] != 0 } {
 584                     verbose -log $catcherr
 585                     fail "$name execution"
 586                     untested "$name compare"
 587                 } else {
 588                     pass "$name execution"
 589                     regsub "\\.go$" $test ".out" expect
 590                     filecmp $expect $base.p "$name compare"
 591                 }
 592                 file delete $base.p
 593             } else {
 594                 untested "$name execution"
 595                 untested "$name compare"
 596             }
 597             set runtests $hold_runtests
 598         } elseif { [string match "// \$G \$D/\$F.go && \$L \$F.\$A && ! ./\$A.out || echo BUG: *" \
 599                     $test_line] } {
 600             go-execute-xfail $test
 601         } elseif { $test_line == "// errorcheck" } {
 602             errchk $test ""
 603         } elseif { $test_line == "// errorcheckdir" } {
 604             set hold_runtests $runtests
 605             set runtests "go-test.exp"
 606             set dir "[file rootname $test].dir"
 607             set files [lsort [glob "$dir/*.go"]]
 608             set packages [go-find-packages $test $name $files]
 609             if { [llength $packages] > 0 } {
 610                 set dg-do-what-default "assemble"
 611                 set del [list]
 612                 set last [lindex $packages end]
 613                 set packages [lreplace $packages end end]
 614                 foreach p $packages {
 615                     dg-test -keep-output [lrange $p 1 end] "-O" "-w $DEFAULT_GOCFLAGS"
 616                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 617                 }
 618                 errchk [lindex $last 1] "[lrange $last 2 end]"
 619                 foreach f $del {
 620                     file delete $f
 621                 }
 622             }
 623             set runtests $hold_runtests
 624         } elseif { [string match "// errorcheckoutput*" $test_line] } {
 625             # Run the test to get a .go program to error check.
 626             set go_execute_args ""
 627             set hold_runtests $runtests
 628             set runtests "go-test.exp"
 629             set files [list]
 630             regsub "// errorcheckoutput\(.*\)" $test_line "\\1" args
 631             foreach f $args {
 632                 lappend files "[file dirname $test]/$f"
 633             }
 634             set dg-do-what-default "link"
 635             dg-test -keep-output $test "-O" "$files -w $DEFAULT_GOCFLAGS"
 636             set output_file "./[file rootname [file tail $test]].exe"
 637             set base "[file rootname [file tail $test]]"
 638             if [isnative] {
 639                 if { [catch "exec $output_file >$base-out.go"] != 0 } {
 640                     fail "$name execution"
 641                 } else {
 642                     pass "$name execution"
 643                     errchk "$base-out.go" ""
 644                 }
 645                 file delete $base-out.go
 646             }
 647             file delete $output_file
 648             set runtests $hold_runtests
 649         } elseif { $test_line == "// compiledir" } {
 650             set hold_runtests $runtests
 651             set runtests "go-test.exp"
 652             set dg-do-what-default "assemble"
 653             set dir "[file rootname $test].dir"
 654             set files [lsort [glob "$dir/*.go"]]
 655             set packages [go-find-packages $test $name $files]
 656             if { [llength $packages] > 0 } {
 657                 set del [list]
 658                 foreach p $packages {
 659                     dg-test -keep-output [lindex $p 1] "[lrange $p 2 end] -O" "-w $DEFAULT_GOCFLAGS"
 660                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 661                 }
 662                 foreach f $del {
 663                     file delete $f
 664                 }
 665             }
 666             set runtests $hold_runtests
 667         } elseif { $test_line == "// rundir" } {
 668             set hold_runtests $runtests
 669             set runtests "go-test.exp"
 670             set dir "[file rootname $test].dir"
 671             set files [lsort [glob "$dir/*.go"]]
 672             set packages [go-find-packages $test $name $files]
 673             if { [llength $packages] > 0 } {
 674                 set dg-do-what-default "assemble"
 675                 set del [list]
 676                 set last [lindex $packages end]
 677                 set packages [lreplace $packages end end]
 678                 foreach p $packages {
 679                     dg-test -keep-output [lrange $p 1 end] "-O" "-w $DEFAULT_GOCFLAGS"
 680                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 681                 }
 682                 set dg-do-what-default "link"
 683                 set go_compile_args ""
 684                 append go_compile_args [lrange $last 2 end]
 685                 append go_compile_args $del
 686                 go-torture-execute [lindex $last 1]
 687                 foreach f $del {
 688                     file delete $f
 689                 }
 690             }
 691             set runtests $hold_runtests
 692         } elseif { $test_line == "// rundircmpout" } {
 693             set hold_runtests $runtests
 694             set runtests "go-test.exp"
 695             set dir "[file rootname $test].dir"
 696             set files [lsort [glob "$dir/*.go"]]
 697             set packages [go-find-packages $test $name $files]
 698             if { [llength $packages] > 0 } {
 699                 set dg-do-what-default "assemble"
 700                 set del [list]
 701                 set last [lindex $packages end]
 702                 set packages [lreplace $packages end end]
 703                 foreach p $packages {
 704                     dg-test -keep-output [lrange $p 1 end] "-O" "-w $DEFAULT_GOCFLAGS"
 705                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 706                 }
 707                 set dg-do-what-default "link"
 708                 dg-test -keep-output [lrange $last 1 end] "$del -O" "-w $DEFAULT_GOCFLAGS"
 709                 set base "[file rootname [file tail [lindex $last 1]]]"
 710                 set output_file "./$base.exe"
 711                 lappend del $output_file
 712                 if [isnative] {
 713                     verbose -log "$output_file >$base.p 2>&1"
 714                     if { [catch "exec $output_file 2>$base.p" catcherr] != 0 } {
 715                         verbose -log $catcherr
 716                         fail "$name execution"
 717                         untested "$name compare"
 718                     } else {
 719                         pass "$name execution"
 720                         regsub "\\.go$" "$test" ".out" expect
 721                         filecmp $expect $base.p "$name compare"
 722                     }
 723                     lappend del $base.p
 724                 }
 725                 foreach f $del {
 726                     file delete $f
 727                 }
 728             }
 729             set runtests $hold_runtests
 730         } elseif { "$test_line" == ""
 731                    || [string match "// true*" $test_line]
 732                    || [string match "// skip*" $test_line] } {
 733             # Not a real test, just ignore.
 734         } elseif { [string match \
 735                         "// \$G \$D/\$F.dir/bug0.go && errchk \$G \$D/\$F.dir/bug1.go" \
 736                         $test_line] \
 737                        || [string match \
 738                                "// \$G \$D/\$F.dir/io.go && errchk \$G -e \$D/\$F.dir/main.go" \
 739                                $test_line] } {
 740             if { [string match \
 741                       "// \$G \$D/\$F.dir/bug0.go && errchk \$G \$D/\$F.dir/bug1.go" \
 742                       $test_line] } {
 743                 set name1 "bug0.go"
 744                 set name2 "bug1.go"
 745             } elseif { [string match \
 746                             "// \$G \$D/\$F.dir/io.go && errchk \$G -e \$D/\$F.dir/main.go" \
 747                             $test_line] } {
 748                 set name1 "io.go"
 749                 set name2 "main.go"
 750             }
 751             set hold_runtests $runtests
 752             set runtests "go-test.exp"
 753             set dg-do-what-default "assemble"
 754             regsub "\\.go$" $test ".dir/$name1" file1
 755             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 756             regsub "\\.go$" $test ".dir/$name2" file2
 757             errchk $file2 ""
 758             file delete "[file rootname [file tail $file1]].o"
 759             set runtests $hold_runtests
 760         } elseif { [string match \
 761                         "// \$G \$D/\${F}1.go && errchk \$G \$D/\$F.go" \
 762                         $test_line ] } {
 763             set hold_runtests $runtests
 764             set runtests "go-test.exp"
 765             set dg-do-what-default "assemble"
 766             regsub "\\.go$" $test "1.go" file1
 767             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 768             errchk $test ""
 769             file delete "[file rootname [file tail $file1]].o"
 770             set runtests $hold_runtests
 771         } elseif { [string match \
 772                         "// \$G \$D/\$F.dir/bug0.go && \$G \$D/\$F.dir/bug1.go && errchk \$G \$D/\$F.dir/bug2.go" \
 773                         $test_line] } {
 774             set hold_runtests $runtests
 775             set runtests "go-test.exp"
 776             set dg-do-what-default "assemble"
 777             regsub "\\.go$" $test ".dir/bug0.go" file1
 778             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 779             regsub "\\.go$" $test ".dir/bug1.go" file2
 780             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 781             regsub "\\.go$" $test ".dir/bug2.go" file3
 782             errchk $file3 ""
 783             file delete "[file rootname [file tail $file1]].o"
 784             file delete "[file rootname [file tail $file2]].o"
 785             set runtests $hold_runtests
 786         } elseif { [string match \
 787                         "// \$G \$D/bug160.dir/x.go && \$G \$D/bug160.dir/y.go && \$L y.\$A && ./\$A.out" \
 788                         $test_line] \
 789                        || [string match \
 790                                "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" \
 791                                $test_line] \
 792                        || $test_line == "// \$G \$D/\$F.dir/p1.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" \
 793                        || $test_line == "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" \
 794                        || $test_line == "// \$G \$D/method4a.go && \$G \$D/\$F.go && \$L \$F.\$A && ./$\A.out" } {
 795             if { [string match \
 796                         "// \$G \$D/bug160.dir/x.go && \$G \$D/bug160.dir/y.go && \$L y.\$A && ./\$A.out" \
 797                       $test_line] } {
 798                 set name1 "x.go"
 799                 set name2 "y.go"
 800             } elseif { [string match \
 801                            "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" \
 802                             $test_line] } {
 803                 set name1 "p.go"
 804                 set name2 "main.go"
 805             } elseif { $test_line == "// \$G \$D/\$F.dir/p1.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" } {
 806                 set name1 "p1.go"
 807                 set name2 "main.go"
 808             } elseif { $test_line == "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" } {
 809                 set name1 "lib.go"
 810                 set name2 ""
 811             } elseif { $test_line == "// \$G \$D/method4a.go && \$G \$D/\$F.go && \$L \$F.\$A && ./$\A.out" } {
 812                 set name1 "method4a.go"
 813                 set name2 ""
 814             }
 815             set hold_runtests $runtests
 816             set runtests "go-test.exp"
 817             set dg-do-what-default "assemble"
 818             regsub "\\.go$" $test ".dir/$name1" file1
 819             if { $name1 == "method4a.go" } {
 820                 set file1 "[file dirname $test]/method4a.go"
 821             }
 822             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 823             set ofile1 "[file rootname [file tail $file1]].o"
 824             regsub "\\.go$" $test ".dir/$name2" file2
 825             if { $name2 == "" } {
 826                 set file2 $test
 827             }
 828             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 829             set ofile2 "[file rootname [file tail $file2]].o"
 830             set dg-do-what-default "link"
 831             set output_file "./[file rootname [file tail $test]].exe"
 832             set comp_output [go_target_compile "$ofile1 $ofile2" \
 833                                  $output_file "executable" "$options"]
 834             set comp_output [go-dg-prune $target_triplet $comp_output]
 835             verbose -log $comp_output
 836             set result [go_load "$output_file" "" ""]
 837             set status [lindex $result 0]
 838             $status $name
 839             file delete $ofile1 $ofile2 $output_file
 840             set runtests $hold_runtests
 841         } elseif { $test_line == "// \$G \$D/\$F.dir/one.go && \$G \$D/\$F.dir/two.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" } {
 842             set hold_runtests $runtests
 843             set runtests "go-test.exp"
 844             set dg-do-what-default "assemble"
 845             regsub "\\.go$" $test ".dir/one.go" file1
 846             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 847             set ofile1 "[file rootname [file tail $file1]].o"
 848             regsub "\\.go$" $test ".dir/two.go" file2
 849             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 850             set ofile2 "[file rootname [file tail $file2]].o"
 851             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 852             set ofile3 "[file rootname [file tail $test]].o"
 853             set dg-do-what-default "link"
 854             set output_file "./[file rootname [file tail $test]].exe"
 855             set comp_output [go_target_compile "$ofile1 $ofile2 $ofile3" \
 856                                  $output_file "executable" "$options"]
 857             set comp_output [go-dg-prune $target_triplet $comp_output]
 858             verbose -log $comp_output
 859             set result [go_load "$output_file" "" ""]
 860             set status [lindex $result 0]
 861             $status $name
 862             file delete $ofile1 $ofile2 $ofile3 $output_file
 863             set runtests $hold_runtests
 864         } elseif { [string match \
 865                         "// \$G \$D/embed0.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" \
 866                         $test_line ] } {
 867             set hold_runtests $runtests
 868             set runtests "go-test.exp"
 869             set dg-do-what-default "assemble"
 870             regsub "/\[^/\]*$" $test "/embed0.go" file1
 871             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 872             set ofile1 "[file rootname [file tail $file1]].o"
 873             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 874             set ofile2 "[file rootname [file tail $test]].o"
 875             set output_file "./[file rootname [file tail $test]].exe"
 876             set comp_output [go_target_compile "$ofile1 $ofile2" \
 877                                  $output_file "executable" "$options"]
 878             set comp_output [go-dg-prune $target_triplet $comp_output]
 879             if [string match "" $comp_output] {
 880                 set result [go_load "$output_file" "" ""]
 881                 set status [lindex $result 0]
 882                 $status $name
 883             } else {
 884                 verbose -log $comp_output
 885                 fail $name
 886             }
 887             file delete $ofile1 $ofile2 $output_file
 888             set runtests $hold_runtests
 889         } elseif { [string match \
 890                         "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 891                         $test_line ] || \
 892                        [string match \
 893                             "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 894                             $test_line ] } {
 895             if { [string match \
 896                       "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 897                       $test_line ] } {
 898                 set name1 "lib.go"
 899                 set name2 "main.go"
 900             } elseif { [string match \
 901                             "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 902                             $test_line ] } {
 903                 set name1 "p.go"
 904                 set name2 "main.go"
 905             }
 906             set hold_runtests $runtests
 907             set runtests "go-test.exp"
 908             set dg-do-what-default "assemble"
 909             regsub "\\.go$" $test ".dir/$name1" file1
 910             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 911             set ofile1 "[file rootname [file tail $file1]].o"
 912             regsub "\\.go$" $test ".dir/$name2" file2
 913             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 914             set ofile2 "[file rootname [file tail $file2]].o"
 915             set dg-do-what-default "link"
 916             set output_file "./[file rootname [file tail $file2]].exe"
 917             set comp_output [go_target_compile "$ofile1 $ofile2" \
 918                                  $output_file "executable" "$options"]
 919             set comp_output [go-dg-prune $target_triplet $comp_output]
 920             if [string match "" $comp_output] {
 921                 set result [go_load "$output_file" "" ""]
 922                 set status [lindex $result 0]
 923                 $status $name
 924             } else {
 925                 verbose -log $comp_output
 926                 fail $name
 927             }
 928             file delete $ofile1 $ofile2 $output_file
 929             set runtests $hold_runtests
 930         } elseif { $test_line == "// \$G \$D/\$F.dir/bug0.go &&" \
 931                        && $test_line2 == "// \$G \$D/\$F.dir/bug1.go &&" \
 932                        && $test_line3 == "// \$G \$D/\$F.dir/bug2.go &&" \
 933                        && $test_line4 == "// errchk \$G -e \$D/\$F.dir/bug3.go &&" \
 934                        && $test_line5 == "// \$L bug2.\$A &&" \
 935                        && [string match "// ./\$A.out || echo BUG*" $test_line6] } {
 936             set hold_runtests $runtests
 937             set runtests "go-test.exp"
 938             set dg-do-what-default "assemble"
 939             regsub "\\.go$" $test ".dir/bug0.go" file0
 940             dg-test -keep-output $file0 "-O -fgo-prefix=bug0" "-w $DEFAULT_GOCFLAGS"
 941             set ofile0 "[file rootname [file tail $file0]].o"
 942             regsub "\\.go$" $test ".dir/bug1.go" file1
 943             dg-test -keep-output $file1 "-O -fgo-prefix=bug1" "-w $DEFAULT_GOCFLAGS"
 944             set ofile1 "[file rootname [file tail $file1]].o"
 945             regsub "\\.go$" $test ".dir/bug2.go" file2
 946             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 947             set ofile2 "[file rootname [file tail $file2]].o"
 948             regsub "\\.go$" $test ".dir/bug3.go" file3
 949             errchk $file3 ""
 950             set output_file "./[file rootname [file tail $test]].exe"
 951             set comp_output [go_target_compile "$ofile0 $ofile1 $ofile2" \
 952                                  $output_file "executable" "$options"]
 953             set comp-output [go-dg-prune $target_triplet $comp_output]
 954             if [string match "" $comp_output] {
 955                 set result [go_load "$output_file" "" ""]
 956                 set status [lindex $result 0]
 957                 $status $name
 958             } else {
 959                 verbose -log $comp_output
 960                 fail $name
 961             }
 962             file delete $ofile0 $ofile1 $ofile2 $output_file
 963             set runtests $hold_runtests
 964         } elseif { $test_line == "// \$G \$D/import2.go && \$G \$D/\$F\.go" \
 965                        || $test_line == "// \$G \$D/recursive1.go && \$G \$D/\$F.go" } {
 966             if { $test_line == "// \$G \$D/import2.go && \$G \$D/\$F\.go" } {
 967                 set name1 "import2.go"
 968             } elseif { $test_line == "// \$G \$D/recursive1.go && \$G \$D/\$F.go" } {
 969                 set name1 "recursive1.go"
 970             }
 971             set hold_runtests $runtests
 972             set runtests "go-test.exp"
 973             set dg-do-what-default "assemble"
 974             regsub "/\[^/\]*$" $test "/${name1}" file1
 975             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 976             set ofile1 "[file rootname [file tail $file1]].o"
 977             dg-test $test "-O" "-w $DEFAULT_GOCFLAGS"
 978             file delete $ofile1
 979             set runtests $hold_runtests
 980         } elseif { $test_line == "// \$G \$D/ddd2.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" } {
 981             set hold_runtests $runtests
 982             set runtests "go-test.exp"
 983             set dg-do-what-default "assemble"
 984             regsub "/\[^/\]*$" $test "/ddd2.go" file1
 985             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 986             set ofile1 "[file rootname [file tail $file1]].o"
 987             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 988             set ofile2 "[file rootname [file tail $test]].o"
 989             set output_file "./[file rootname [file tail $test]].exe"
 990             set comp_output [go_target_compile "$ofile1 $ofile2" \
 991                                  $output_file "executable" "$options"]
 992             set comp_output [go-dg-prune $target_triplet $comp_output]
 993             if [string match "" $comp_output] {
 994                 set result [go_load "$output_file" "" ""]
 995                 set status [lindex $result 0]
 996                 $status $name
 997             } else {
 998                 verbose -log $comp_output
 999                 fail $name
1000             }
1001             file delete $ofile1 $ofile2 $output_file
1002             set runtests $hold_runtests
1003         } elseif { $test_line == "// run cmplxdivide1.go" } {
1004             regsub "/\[^/\]*$" $test "/cmplxdivide1.go" test2
1005             set output_file "./[file rootname [file tail $test]].o"
1006             set comp_output [go_target_compile "$test $test2" \
1007                                  $output_file "executable" "$options"]
1008             set comp_output [go-dg-prune $target_triplet $comp_output]
1009             if [string match "" $comp_output] {
1010                 set result [go_load "$output_file" "" ""]
1011                 set status [lindex $result 0]
1012                 $status $name
1013             } else {
1014                 verbose -log $comp_output
1015                 fail $name
1016             }
1017             file delete $output_file
1018         } elseif { $test_line == "// \$G \$D/\$F.go && \$L \$F.\$A &&" \
1019                        && $test_line2 == "// ./\$A.out -pass 0 >tmp.go && \$G tmp.go && \$L -o \$A.out1 tmp.\$A && ./\$A.out1 &&" \
1020                        && $test_line3 == "// ./\$A.out -pass 1 >tmp.go && errchk \$G -e tmp.go &&" \
1021                        && $test_line4 == "// ./\$A.out -pass 2 >tmp.go && errchk \$G -e tmp.go" } {
1022             set go_execute_args ""
1023             set hold_runtests $runtests
1024             set runtests "go-test.exp"
1025             set dg-do-what-default "link"
1026             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1027             set output_file "./[file rootname [file tail $test]].exe"
1028             if [isnative] {
1029                 if { [catch "exec $output_file -pass 0 >tmp.go"] != 0 } {
1030                     fail "$name execution 0"
1031                 } else {
1032                     pass "$name execution 0"
1033                     file delete tmp.x
1034                     # Disable optimizations as this test takes a long time
1035                     # to compile.
1036                     set TORTURE_OPTIONS [list { -O0 -g -fno-var-tracking-assignments }]
1037                     go-torture-execute "./tmp.go"
1038                 }
1039                 if { [catch "exec $output_file -pass 1 >tmp.go"] != 0 } {
1040                     fail "$name execution 1"
1041                 } else {
1042                     pass "$name execution 1"
1043                     errchk tmp.go ""
1044                 }
1045                 if { [catch "exec $output_file -pass 2 >tmp.go"] != 0 } {
1046                     fail "$name execution 2"
1047                 } else {
1048                     pass "$name execution 2"
1049                     errchk tmp.go ""
1050                 }
1051                 file delete tmp.go
1052             }
1053             file delete $output_file
1054             set runtests $hold_runtests
1055         } elseif { $test_line == "// \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out >tmp.go &&" \
1056                         && $test_line2 == "// errchk \$G -e tmp.go" } {
1057             set go_execute_args ""
1058             set hold_runtests $runtests
1059             set runtests "go-test.exp"
1060             set dg-do-what-default "link"
1061             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1062             set output_file "./[file rootname [file tail $test]].exe"
1063             if [isnative] {
1064                 if { [catch "exec $output_file >tmp.go"] != 0 } {
1065                     fail "$name execution"
1066                 } else {
1067                     pass "$name execution"
1068                     file delete tmp.x
1069                     errchk tmp.go ""
1070                 }
1071             }
1072             file delete $output_file
1073             set runtests $hold_runtests
1074         } elseif { $test_line == "// errchk \$G -e \$D/\$F.dir/\[ab\].go" } {
1075             regsub "\\.go$" $test ".dir/a.go" file1
1076             regsub "\\.go$" $test ".dir/b.go" file2
1077             errchk "$file1" "$file2"
1078         } elseif { $test_line == "// \$G -N -o slow.\$A \$D/bug369.dir/pkg.go &&" \
1079                        && $test_line2 == "// \$G -o fast.\$A \$D/bug369.dir/pkg.go &&" \
1080                        && $test_line3 == "// run" } {
1081             set hold_runtests $runtests
1082             set runtests "go-test.exp"
1083             set dg-do-what-default "assemble"
1084             regsub "\\.go$" $test ".dir/pkg.go" file1
1085             dg-test -keep-output $file1 "" "-fgo-prefix=slow -w $DEFAULT_GOCFLAGS"
1086             set ofile1 "[file rootname [file tail $file1]].o"
1087             file rename -force $ofile1 slow.o
1088             dg-test -keep-output $file1 "-O2" "-fgo-prefix=fast -w $DEFAULT_GOCFLAGS"
1089             file rename -force $ofile1 fast.o
1090             set ofile2 "[file rootname [file tail $test]].o"
1091             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1092             set output_file "./[file rootname [file tail $test]].exe"
1093             set comp_output [go_target_compile "$ofile2 slow.o fast.o" \
1094                                  $output_file "executable" "$options"]
1095             set comp_output [go-dg-prune $target_triplet $comp_output]
1096             if [string match "" $comp_output] {
1097                 set result [go_load "$output_file" "" ""]
1098                 set status [lindex $result 0]
1099                 $status $name
1100             } else {
1101                 verbose -log $comp_output
1102                 fail $name
1103             }
1104             file delete slow.o fast.o $ofile2 $output_file
1105             set runtests $hold_runtests
1106         } elseif { [string match \
1107                         "// \$G \$D/\$F.dir/pkg.go && \$G \$D/\$F.go || echo *" \
1108                         $test_line ] } {
1109             set hold_runtests $runtests
1110             set runtests "go-test.exp"
1111             set dg-do-what-default "assemble"
1112             regsub "\\.go$" $test ".dir/pkg.go" file1
1113             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
1114             dg-test $test "-O" "-w $DEFAULT_GOCFLAGS"
1115             file delete "[file rootname [file tail $file1]].o"
1116             set runtests $hold_runtests
1117         } elseif { [string match "// \$G \$D/\$F.dir/one.go && \$G \$D/\$F.dir/two.go || echo BUG*" \
1118                         $test_line ] } {
1119             set hold_runtests $runtests
1120             set runtests "go-test.exp"
1121             set dg-do-what-default "assemble"
1122             regsub "\\.go$" $test ".dir/one.go" file1
1123             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
1124             set ofile1 "[file rootname [file tail $file1]].o"
1125             regsub "\\.go$" $test ".dir/two.go" file2
1126             dg-test $file2 "-O" "-w $DEFAULT_GOCFLAGS"
1127             file delete $ofile1
1128             set runtests $hold_runtests
1129         } elseif { $test_line == "// \$G \$D/bug302.dir/p.go && pack grc pp.a p.\$A && \$G \$D/bug302.dir/main.go" \
1130                    || $test_line == "// \$G \$D/empty.go && errchk \$G \$D/\$F.go" } {
1131             # These tests import the same package under two different
1132             # names, which gccgo does not support.
1133         } elseif { $test_line == "// \$G -S \$D/\$F.go | egrep initdone >/dev/null && echo BUG sinit || true" } {
1134             # This tests whether initializers are written out
1135             # statically.  gccgo does not provide a way to test that,
1136             # as an initializer will be generated for any code which
1137             # has global variables which need to be registered as GC
1138             # roots.
1139         } elseif { $test_line == "// errorcheck -0 -m"
1140                    || $test_line == "// errorcheck -0 -m -l" } {
1141             # This tests debug output of the gc compiler, which is
1142             # meaningless for gccgo.
1143         } elseif { $test_line == "// \[ \$A == 6 \] || errchk \$G -e \$D/\$F.go" \
1144                        || $test_line == "// \[ \$A != 6 \]  || errchk \$G -e \$D/\$F.go" } {
1145             # This tests specific handling of the gc compiler on types
1146             # that are too large.  It is target specific in a way I
1147             # haven't bothered to check for here.
1148         } elseif { $test_line == "// \$G \$D/\$F.go && \$L -X main.tbd hello \$F.\$A && ./\$A.out" } {
1149             # This tests the gc ld -X option, which gccgo does not
1150             # support.
1151         } elseif { $test_line == "// \$G \$D/pkg.go && pack grc pkg.a pkg.\$A 2> /dev/null && rm pkg.\$A && errchk \$G -I. -u \$D/main.go"
1152                    || $test_line == "// \$G \$D/pkg.go && pack grcS pkg.a pkg.\$A 2> /dev/null && rm pkg.\$A && \$G -I. -u \$D/main.go" } {
1153             # This tests the gc -u option, which gccgo does not
1154             # support.
1155         } elseif { $test_line == "// errorcheck -0 -N -d=nil" \
1156                        || $test_line == "// errorcheck -0 -d=nil" } {
1157             # This tests gc nil pointer checks using -d=nil, which
1158             # gccgo does not support.
1159         } else {
1160             clone_output "$name: unrecognized test line: $test_line"
1161             unsupported $name
1162         }
1163
1164         set go_compile_args ""
1165         set go_execute_args ""
1166         set TORTURE_OPTIONS [list { -O2 -g }]
1167     }
1168
1169     set dg-do-what-default ${saved-dg-do-what-default}
1170     set TORTURE_OPTIONS $saved_torture_options
1171 }
1172
1173 go-gc-tests