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         "s390-*-*" {
 248             set goarch "s390"
 249         }
 250         "s390x-*-*" {
 251             set goarch "s390x"
 252         }
 253         "sparc*-*-*" {
 254             if [check_effective_target_ilp32] {
 255                 set goarch "sparc"
 256             } else {
 257                 set goarch "sparc64"
 258             }
 259         }
 260         default {
 261             perror "$target_triplet: unhandled architecture"
 262             return ""
 263         }
 264     }
 265     verbose -log "Setting GOARCH=$goarch" 1
 266     setenv GOARCH $goarch
 267 }
 268
 269 # Take a list of files and return a lists of lists, where each list is
 270 # the set of files in the same package.
 271 proc go-find-packages { test name files } {
 272     set packages [list]
 273     foreach f $files {
 274         set fd [open $f r]
 275         while 1 {
 276             if { [gets $fd line] < 0 } {
 277                 close $fd
 278                 clone_output "$test: could not read $f"
 279                 unresolved $name
 280                 return [list]
 281             }
 282
 283             if { [regexp "^package (\\w+)" $line match package] } {
 284                 set len [llength $packages]
 285                 for { set i 0 } { $i < $len } { incr i } {
 286                     set p [lindex $packages $i]
 287                     if { [lindex $p 0] == $package } {
 288                         lappend p $f
 289                         lset packages $i $p
 290                         break
 291                     }
 292                 }
 293                 if { $i >= $len } {
 294                     lappend packages [list $package $f]
 295                 }
 296
 297                 close $fd
 298                 break
 299             }
 300         }
 301     }
 302     return $packages
 303 }
 304
 305 proc go-gc-tests { } {
 306     global srcdir subdir
 307     global runtests
 308     global GCC_UNDER_TEST
 309     global TOOL_OPTIONS
 310     global TORTURE_OPTIONS
 311     global dg-do-what-default
 312     global go_compile_args
 313     global go_execute_args
 314     global target_triplet
 315
 316     # If a testcase doesn't have special options, use these.
 317     global DEFAULT_GOCFLAGS
 318     if ![info exists DEFAULT_GOCFLAGS] {
 319         set DEFAULT_GOCFLAGS " -pedantic-errors"
 320     }
 321
 322     set options ""
 323     lappend options "additional_flags=$DEFAULT_GOCFLAGS"
 324
 325     # Set GOARCH for tests that need it.
 326     go-set-goarch
 327
 328     # Running all the torture options takes too long and, since the
 329     # frontend ignores the standard options, it doesn't significantly
 330     # improve testing.
 331     set saved_torture_options $TORTURE_OPTIONS
 332     set TORTURE_OPTIONS [list { -O2 -g }]
 333
 334     set saved-dg-do-what-default ${dg-do-what-default}
 335
 336     set testdir [pwd]
 337
 338     set tests [lsort [find $srcdir/$subdir *.go]]
 339     foreach test $tests {
 340         if ![runtest_file_p $runtests $test] {
 341             continue
 342         }
 343
 344         # Skip the files in bench; they are not tests.
 345         if [string match "*go.test/test/bench/*" $test] {
 346             continue
 347         }
 348
 349         # Skip the files in stress; they are not tests.
 350         if [string match "*go.test/test/stress/*" $test] {
 351             continue
 352         }
 353
 354         # Skip the files in safe; gccgo does not support safe mode.
 355         if [string match "*go.test/test/safe/*" $test] {
 356             continue
 357         }
 358
 359         # Skip files in sub-subdirectories: they are components of
 360         # other tests.
 361         if [string match "*go.test/test/*/*/*" $test] {
 362             continue
 363         }
 364
 365         # Skip files in *.dir subdirectories: they are components of
 366         # other tests.
 367         if [string match "*go.test/test/*.dir/*" $test] {
 368             continue
 369         }
 370
 371         set name [dg-trim-dirname $srcdir $test]
 372
 373         # Skip certain tests if target is RTEMS OS.
 374         if [istarget "*-*-rtems*"] {
 375             if { [string match "*go.test/test/args.go" $test] \
 376                  || [string match "*go.test/test/env.go" $test] } {
 377                     untested "$name: uses the command-line or environment variables"
 378                     continue
 379             }
 380
 381             if { [string match "*go.test/test/stack.go" $test] \
 382                  || [string match "*go.test/test/peano.go" $test] \
 383                  || [string match "*go.test/test/chan/goroutines.go" $test] } {
 384                     untested "$name: has very high memory requirement"
 385                     continue
 386             }
 387         }
 388
 389         # Handle certain tests in a target-dependant way.
 390         if { [istarget "alpha*-*-*"] || [istarget "sparc*-*-solaris*"] || [istarget "powerpc*-*-*"] } {
 391             if { [string match "*go.test/test/nilptr.go" $test] } {
 392                 untested $test
 393                 continue
 394             }
 395         }
 396
 397         if { [file tail $test] == "init1.go" } {
 398             # This tests whether GC runs during init, which for gccgo
 399             # it currently does not.
 400             untested $name
 401             continue
 402         }
 403
 404         if { [file tail $test] == "closure.go" } {
 405             # This tests whether function closures do any memory
 406             # allocation, which for gccgo they currently do.
 407             untested $name
 408             continue
 409         }
 410
 411         if { ( [file tail $test] == "select2.go" \
 412                    || [file tail $test] == "stack.go" \
 413                    || [file tail $test] == "peano.go" ) \
 414                  && ! [check_effective_target_split_stack] } {
 415             # These tests fails on targets without split stack.
 416             untested $name
 417             continue
 418         }
 419
 420         if [string match "*go.test/test/rotate\[0123\].go" $test] {
 421             # These tests produces a temporary file that takes too long
 422             # to compile--5 minutes on my laptop without optimization.
 423             # When compiling without optimization it tests nothing
 424             # useful, since the point of the test is to see whether
 425             # the compiler generates rotate instructions.
 426             untested $name
 427             continue
 428         }
 429
 430         if { [file tail $test] == "bug347.go" \
 431                  || [file tail $test] == "bug348.go" } {
 432             # These tests don't work if the functions are inlined.
 433             set TORTURE_OPTIONS [list { -O0 -g }]
 434         }
 435
 436         set fd [open $test r]
 437
 438         set lines_ok 1
 439
 440         while 1 {
 441             if { [gets $fd test_line] < 0 } {
 442                 close $fd
 443                 clone_output "$test: could not read first line"
 444                 unresolved $name
 445                 set lines_ok 0
 446                 break
 447             }
 448
 449             if { [ string match "*nacl*exit 0*" $test_line ] \
 450                      || [ string match "*exit 0*nacl*" $test_line ] \
 451                      || [ string match "*Android*exit 0*" $test_line ] \
 452                      || [ string match "*exit 0*Android*" $test_line ] \
 453                      || [ string match "*\"\$GOOS\" == windows*" $test_line ] } {
 454                 continue
 455             }
 456
 457             if { [ string match "// +build *" $test_line ] } {
 458                 set matches_pos 0
 459                 set matches_neg 0
 460                 if { [ regexp -line "\[         \][getenv GOARCH]\(\[   \]\|\$\)" $test_line ] } {
 461                     set matches_pos 1
 462                 } elseif { [ regexp -line "\[   \]\![getenv GOARCH]\(\[         \]\|\$\)" $test_line ] } {
 463                     set matches_neg 1
 464                 } elseif { [ regexp -line "\[   \]linux\(\[     \]\|\$\)" $test_line ] } {
 465                     set matches_pos 1
 466                 } elseif { [ regexp -line "\[   \]\!linux\(\[   \]\|\$\)" $test_line ] } {
 467                     set matches_neg 1
 468                 } elseif { [ regexp -line "\[   \]\!windows\(\[         \]\|\$\)" $test_line ] } {
 469                     set matches_pos 1
 470                 } elseif { [ regexp -line "\[   \]windows\(\[   \]\|\$\)" $test_line ] } {
 471                     set matches_neg 1
 472                 }
 473                 if { $matches_pos == 1 && $matches_neg == 0 } {
 474                     continue
 475                 }
 476                 close $fd
 477                 unsupported $name
 478                 set lines_ok 0
 479             }
 480
 481             break
 482         }
 483
 484         if { $lines_ok == 0 } {
 485             continue
 486         }
 487
 488         set lineno 1
 489         set test_line1 $test_line
 490
 491         while { [eval "string match \"//*&&\" \${test_line$lineno}"] } {
 492             set lineno [expr $lineno + 1]
 493             if { [eval "gets \$fd test_line$lineno"] < 0 } {
 494                 close $fd
 495                 clone_output "$test: could not read line $lineno"
 496                 unresolved $name
 497                 set lines_ok 0
 498                 break
 499             }
 500         }
 501         if { $lines_ok == 0 } {
 502             continue
 503         }
 504
 505         close $fd
 506
 507         # runtest_file_p is already run above, and the code below can run
 508         # runtest_file_p again, make sure everything for this test is
 509         # performed if the above runtest_file_p decided this runtest
 510         # instance should execute the test
 511         gcc_parallel_test_enable 0
 512
 513         set go_compile_args ""
 514         set go_execute_args ""
 515         if { [regexp "// run (\[^|&>2\].*)\$" $test_line match progargs] \
 516                  && ! [string match "*.go*" "$progargs"] } {
 517             set go_execute_args $progargs
 518             verbose -log "$test: go_execute_args is $go_execute_args"
 519             set index [string last " $progargs" $test_line]
 520             set test_line [string replace $test_line $index end]
 521         } elseif { [string match "*go.test/test/chan/goroutines.go" $test] \
 522                    && [getenv GCCGO_RUN_ALL_TESTS] == "" } {
 523             # goroutines.go spawns by default 10000 threads, which is too much
 524             # for many OSes.
 525             if { [getenv GCC_TEST_RUN_EXPENSIVE] == "" } {
 526                 set go_execute_args 64
 527             } elseif { ![is_remote host] && ![is_remote target] } {
 528                 # When using low ulimit -u limit, use maximum of
 529                 # a quarter of that limit and 10000 even when running expensive
 530                 # tests, otherwise parallel tests might fail after fork failures.
 531                 set nproc [lindex [remote_exec host {sh -c ulimit\ -u}] 1]
 532                 if { [string is integer -strict $nproc] } {
 533                         set nproc [expr $nproc / 4]
 534                         if { $nproc > 10000 } { set nproc 10000 }
 535                         if { $nproc < 16 } { set nproc 16 }
 536                         set go_execute_args $nproc
 537                 }
 538             }
 539             if { "$go_execute_args" != "" } {
 540                 verbose -log "$test: go_execute_args is $go_execute_args"
 541             }
 542         }
 543
 544         if { $test_line == "// compile"
 545              || $test_line == "// echo bug395 is broken  # takes 90+ seconds to break" } {
 546             # This is a vanilla compile test.
 547             set dg-do-what-default "assemble"
 548             go-dg-runtest $test "" "-w $DEFAULT_GOCFLAGS"
 549         } elseif { $test_line == "// run"
 550                    || $test_line == "// \$G \$F.go && \$L \$F.\$A && ./\$A.out" } {
 551             # This is a vanilla execution test.
 552             go-torture-execute $test
 553             file delete core [glob -nocomplain core.*]
 554         } elseif { $test_line == "// build" } {
 555             # This is a vanilla compile and link test.
 556             set dg-do-what-default "link"
 557             go-dg-runtest $test "" "-w $DEFAULT_GOCFLAGS"
 558         } elseif { [string match "// runoutput*" $test_line] \
 559                        || ($test_line == "// \$G \$D/\$F.go && \$L \$F.\$A &&"
 560                            && $test_line2 == "// ./\$A.out >tmp.go && \$G tmp.go && \$L -o \$A.out1 tmp.\$A && ./\$A.out1") } {
 561             # Run the test to get a .go program to run.
 562             set go_execute_args ""
 563             set hold_runtests $runtests
 564             set runtests "go-test.exp"
 565             set files [list]
 566             if { [string match "// runoutput*" $test_line] } {
 567                 set args ""
 568                 regsub "// runoutput\(.*\)" $test_line "\\1" args
 569                 foreach f $args {
 570                     lappend files "[file dirname $test]/$f"
 571                 }
 572             }
 573             set dg-do-what-default "link"
 574             dg-test -keep-output $test "-O" "$files -w $DEFAULT_GOCFLAGS"
 575             set output_file "./[file rootname [file tail $test]].exe"
 576             set base "[file rootname [file tail $test]]"
 577             if [isnative] {
 578                 if { [catch "exec $output_file >$base-out.go"] != 0 } {
 579                     fail "$name execution"
 580                 } else {
 581                     pass "$name execution"
 582                     file delete $base-out.x
 583                     # Disable optimizations as some of these tests
 584                     # take a long time to compile.
 585                     set TORTURE_OPTIONS [list { -O0 -g -fno-var-tracking-assignments }]
 586                     go-torture-execute "./$base-out.go"
 587                 }
 588                 file delete $base-out.go
 589             }
 590             file delete $output_file
 591             set runtests $hold_runtests
 592         } elseif { $test_line == "// cmpout" \
 593                    || $test_line == "// (\$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out 2>&1 | cmp - \$D/\$F.out)" } {
 594             # This is an execution test for which we need to check the
 595             # program output.
 596             set hold_runtests $runtests
 597             set runtests "go-test.exp"
 598             set dg-do-what-default "link"
 599             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 600             set output_file "./[file rootname [file tail $test]].exe"
 601             set base "[file rootname [file tail $test]]"
 602             if [isnative] {
 603                 verbose -log "$output_file >$base.p 2>&1"
 604                 if { [catch "exec $output_file 2>$base.p" catcherr] != 0 } {
 605                     verbose -log $catcherr
 606                     fail "$name execution"
 607                     untested "$name compare"
 608                 } else {
 609                     pass "$name execution"
 610                     regsub "\\.go$" $test ".out" expect
 611                     filecmp $expect $base.p "$name compare"
 612                 }
 613                 file delete $base.p
 614             } else {
 615                 untested "$name execution"
 616                 untested "$name compare"
 617             }
 618             set runtests $hold_runtests
 619         } elseif { [string match "// \$G \$D/\$F.go && \$L \$F.\$A && ! ./\$A.out || echo BUG: *" \
 620                     $test_line] } {
 621             go-execute-xfail $test
 622         } elseif { $test_line == "// errorcheck" } {
 623             errchk $test ""
 624         } elseif { $test_line == "// errorcheckdir" } {
 625             set hold_runtests $runtests
 626             set runtests "go-test.exp"
 627             set dir "[file rootname $test].dir"
 628             set files [lsort [glob "$dir/*.go"]]
 629             set packages [go-find-packages $test $name $files]
 630             if { [llength $packages] > 0 } {
 631                 set dg-do-what-default "assemble"
 632                 set del [list]
 633                 set last [lindex $packages end]
 634                 set packages [lreplace $packages end end]
 635                 foreach p $packages {
 636                     dg-test -keep-output [lrange $p 1 end] "-O" "-w $DEFAULT_GOCFLAGS"
 637                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 638                 }
 639                 errchk [lindex $last 1] "[lrange $last 2 end]"
 640                 foreach f $del {
 641                     file delete $f
 642                 }
 643             }
 644             set runtests $hold_runtests
 645         } elseif { [string match "// errorcheckoutput*" $test_line] } {
 646             # Run the test to get a .go program to error check.
 647             set go_execute_args ""
 648             set hold_runtests $runtests
 649             set runtests "go-test.exp"
 650             set files [list]
 651             regsub "// errorcheckoutput\(.*\)" $test_line "\\1" args
 652             foreach f $args {
 653                 lappend files "[file dirname $test]/$f"
 654             }
 655             set dg-do-what-default "link"
 656             dg-test -keep-output $test "-O" "$files -w $DEFAULT_GOCFLAGS"
 657             set output_file "./[file rootname [file tail $test]].exe"
 658             set base "[file rootname [file tail $test]]"
 659             if [isnative] {
 660                 if { [catch "exec $output_file >$base-out.go"] != 0 } {
 661                     fail "$name execution"
 662                 } else {
 663                     pass "$name execution"
 664                     errchk "$base-out.go" ""
 665                 }
 666                 file delete $base-out.go
 667             }
 668             file delete $output_file
 669             set runtests $hold_runtests
 670         } elseif { $test_line == "// compiledir" } {
 671             set hold_runtests $runtests
 672             set runtests "go-test.exp"
 673             set dg-do-what-default "assemble"
 674             set dir "[file rootname $test].dir"
 675             set files [lsort [glob "$dir/*.go"]]
 676             set packages [go-find-packages $test $name $files]
 677             if { [llength $packages] > 0 } {
 678                 set del [list]
 679                 foreach p $packages {
 680                     dg-test -keep-output [lindex $p 1] "[lrange $p 2 end] -O" "-w $DEFAULT_GOCFLAGS"
 681                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 682                 }
 683                 foreach f $del {
 684                     file delete $f
 685                 }
 686             }
 687             set runtests $hold_runtests
 688         } elseif { $test_line == "// rundir" } {
 689             set hold_runtests $runtests
 690             set runtests "go-test.exp"
 691             set dir "[file rootname $test].dir"
 692             set files [lsort [glob "$dir/*.go"]]
 693             set packages [go-find-packages $test $name $files]
 694             if { [llength $packages] > 0 } {
 695                 set dg-do-what-default "assemble"
 696                 set del [list]
 697                 set last [lindex $packages end]
 698                 set packages [lreplace $packages end end]
 699                 foreach p $packages {
 700                     dg-test -keep-output [lrange $p 1 end] "-O" "-w $DEFAULT_GOCFLAGS"
 701                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 702                 }
 703                 set dg-do-what-default "link"
 704                 set go_compile_args ""
 705                 append go_compile_args [lrange $last 2 end]
 706                 append go_compile_args $del
 707                 go-torture-execute [lindex $last 1]
 708                 foreach f $del {
 709                     file delete $f
 710                 }
 711             }
 712             set runtests $hold_runtests
 713         } elseif { $test_line == "// rundircmpout" } {
 714             set hold_runtests $runtests
 715             set runtests "go-test.exp"
 716             set dir "[file rootname $test].dir"
 717             set files [lsort [glob "$dir/*.go"]]
 718             set packages [go-find-packages $test $name $files]
 719             if { [llength $packages] > 0 } {
 720                 set dg-do-what-default "assemble"
 721                 set del [list]
 722                 set last [lindex $packages end]
 723                 set packages [lreplace $packages end end]
 724                 foreach p $packages {
 725                     dg-test -keep-output [lrange $p 1 end] "-O" "-w $DEFAULT_GOCFLAGS"
 726                     lappend del "[file rootname [file tail [lindex $p 1]]].o"
 727                 }
 728                 set dg-do-what-default "link"
 729                 dg-test -keep-output [lrange $last 1 end] "$del -O" "-w $DEFAULT_GOCFLAGS"
 730                 set base "[file rootname [file tail [lindex $last 1]]]"
 731                 set output_file "./$base.exe"
 732                 lappend del $output_file
 733                 if [isnative] {
 734                     verbose -log "$output_file >$base.p 2>&1"
 735                     if { [catch "exec $output_file 2>$base.p" catcherr] != 0 } {
 736                         verbose -log $catcherr
 737                         fail "$name execution"
 738                         untested "$name compare"
 739                     } else {
 740                         pass "$name execution"
 741                         regsub "\\.go$" "$test" ".out" expect
 742                         filecmp $expect $base.p "$name compare"
 743                     }
 744                     lappend del $base.p
 745                 }
 746                 foreach f $del {
 747                     file delete $f
 748                 }
 749             }
 750             set runtests $hold_runtests
 751         } elseif { "$test_line" == ""
 752                    || [string match "// true*" $test_line]
 753                    || [string match "// skip*" $test_line] } {
 754             # Not a real test, just ignore.
 755         } elseif { [string match \
 756                         "// \$G \$D/\$F.dir/bug0.go && errchk \$G \$D/\$F.dir/bug1.go" \
 757                         $test_line] \
 758                        || [string match \
 759                                "// \$G \$D/\$F.dir/io.go && errchk \$G -e \$D/\$F.dir/main.go" \
 760                                $test_line] } {
 761             if { [string match \
 762                       "// \$G \$D/\$F.dir/bug0.go && errchk \$G \$D/\$F.dir/bug1.go" \
 763                       $test_line] } {
 764                 set name1 "bug0.go"
 765                 set name2 "bug1.go"
 766             } elseif { [string match \
 767                             "// \$G \$D/\$F.dir/io.go && errchk \$G -e \$D/\$F.dir/main.go" \
 768                             $test_line] } {
 769                 set name1 "io.go"
 770                 set name2 "main.go"
 771             }
 772             set hold_runtests $runtests
 773             set runtests "go-test.exp"
 774             set dg-do-what-default "assemble"
 775             regsub "\\.go$" $test ".dir/$name1" file1
 776             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 777             regsub "\\.go$" $test ".dir/$name2" file2
 778             errchk $file2 ""
 779             file delete "[file rootname [file tail $file1]].o"
 780             set runtests $hold_runtests
 781         } elseif { [string match \
 782                         "// \$G \$D/\${F}1.go && errchk \$G \$D/\$F.go" \
 783                         $test_line ] } {
 784             set hold_runtests $runtests
 785             set runtests "go-test.exp"
 786             set dg-do-what-default "assemble"
 787             regsub "\\.go$" $test "1.go" file1
 788             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 789             errchk $test ""
 790             file delete "[file rootname [file tail $file1]].o"
 791             set runtests $hold_runtests
 792         } elseif { [string match \
 793                         "// \$G \$D/\$F.dir/bug0.go && \$G \$D/\$F.dir/bug1.go && errchk \$G \$D/\$F.dir/bug2.go" \
 794                         $test_line] } {
 795             set hold_runtests $runtests
 796             set runtests "go-test.exp"
 797             set dg-do-what-default "assemble"
 798             regsub "\\.go$" $test ".dir/bug0.go" file1
 799             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 800             regsub "\\.go$" $test ".dir/bug1.go" file2
 801             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 802             regsub "\\.go$" $test ".dir/bug2.go" file3
 803             errchk $file3 ""
 804             file delete "[file rootname [file tail $file1]].o"
 805             file delete "[file rootname [file tail $file2]].o"
 806             set runtests $hold_runtests
 807         } elseif { [string match \
 808                         "// \$G \$D/bug160.dir/x.go && \$G \$D/bug160.dir/y.go && \$L y.\$A && ./\$A.out" \
 809                         $test_line] \
 810                        || [string match \
 811                                "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" \
 812                                $test_line] \
 813                        || $test_line == "// \$G \$D/\$F.dir/p1.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" \
 814                        || $test_line == "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" \
 815                        || $test_line == "// \$G \$D/method4a.go && \$G \$D/\$F.go && \$L \$F.\$A && ./$\A.out" } {
 816             if { [string match \
 817                         "// \$G \$D/bug160.dir/x.go && \$G \$D/bug160.dir/y.go && \$L y.\$A && ./\$A.out" \
 818                       $test_line] } {
 819                 set name1 "x.go"
 820                 set name2 "y.go"
 821             } elseif { [string match \
 822                            "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" \
 823                             $test_line] } {
 824                 set name1 "p.go"
 825                 set name2 "main.go"
 826             } elseif { $test_line == "// \$G \$D/\$F.dir/p1.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out" } {
 827                 set name1 "p1.go"
 828                 set name2 "main.go"
 829             } elseif { $test_line == "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" } {
 830                 set name1 "lib.go"
 831                 set name2 ""
 832             } elseif { $test_line == "// \$G \$D/method4a.go && \$G \$D/\$F.go && \$L \$F.\$A && ./$\A.out" } {
 833                 set name1 "method4a.go"
 834                 set name2 ""
 835             }
 836             set hold_runtests $runtests
 837             set runtests "go-test.exp"
 838             set dg-do-what-default "assemble"
 839             regsub "\\.go$" $test ".dir/$name1" file1
 840             if { $name1 == "method4a.go" } {
 841                 set file1 "[file dirname $test]/method4a.go"
 842             }
 843             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 844             set ofile1 "[file rootname [file tail $file1]].o"
 845             regsub "\\.go$" $test ".dir/$name2" file2
 846             if { $name2 == "" } {
 847                 set file2 $test
 848             }
 849             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 850             set ofile2 "[file rootname [file tail $file2]].o"
 851             set dg-do-what-default "link"
 852             set output_file "./[file rootname [file tail $test]].exe"
 853             set comp_output [go_target_compile "$ofile1 $ofile2" \
 854                                  $output_file "executable" "$options"]
 855             set comp_output [go-dg-prune $target_triplet $comp_output]
 856             verbose -log $comp_output
 857             set result [go_load "$output_file" "" ""]
 858             set status [lindex $result 0]
 859             $status $name
 860             file delete $ofile1 $ofile2 $output_file
 861             set runtests $hold_runtests
 862         } elseif { $test_line == "// \$G \$D/\$F.dir/one.go && \$G \$D/\$F.dir/two.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" } {
 863             set hold_runtests $runtests
 864             set runtests "go-test.exp"
 865             set dg-do-what-default "assemble"
 866             regsub "\\.go$" $test ".dir/one.go" file1
 867             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 868             set ofile1 "[file rootname [file tail $file1]].o"
 869             regsub "\\.go$" $test ".dir/two.go" file2
 870             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 871             set ofile2 "[file rootname [file tail $file2]].o"
 872             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 873             set ofile3 "[file rootname [file tail $test]].o"
 874             set dg-do-what-default "link"
 875             set output_file "./[file rootname [file tail $test]].exe"
 876             set comp_output [go_target_compile "$ofile1 $ofile2 $ofile3" \
 877                                  $output_file "executable" "$options"]
 878             set comp_output [go-dg-prune $target_triplet $comp_output]
 879             verbose -log $comp_output
 880             set result [go_load "$output_file" "" ""]
 881             set status [lindex $result 0]
 882             $status $name
 883             file delete $ofile1 $ofile2 $ofile3 $output_file
 884             set runtests $hold_runtests
 885         } elseif { [string match \
 886                         "// \$G \$D/embed0.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" \
 887                         $test_line ] } {
 888             set hold_runtests $runtests
 889             set runtests "go-test.exp"
 890             set dg-do-what-default "assemble"
 891             regsub "/\[^/\]*$" $test "/embed0.go" file1
 892             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 893             set ofile1 "[file rootname [file tail $file1]].o"
 894             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
 895             set ofile2 "[file rootname [file tail $test]].o"
 896             set output_file "./[file rootname [file tail $test]].exe"
 897             set comp_output [go_target_compile "$ofile1 $ofile2" \
 898                                  $output_file "executable" "$options"]
 899             set comp_output [go-dg-prune $target_triplet $comp_output]
 900             if [string match "" $comp_output] {
 901                 set result [go_load "$output_file" "" ""]
 902                 set status [lindex $result 0]
 903                 $status $name
 904             } else {
 905                 verbose -log $comp_output
 906                 fail $name
 907             }
 908             file delete $ofile1 $ofile2 $output_file
 909             set runtests $hold_runtests
 910         } elseif { [string match \
 911                         "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 912                         $test_line ] || \
 913                        [string match \
 914                             "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 915                             $test_line ] } {
 916             if { [string match \
 917                       "// \$G \$D/\$F.dir/lib.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 918                       $test_line ] } {
 919                 set name1 "lib.go"
 920                 set name2 "main.go"
 921             } elseif { [string match \
 922                             "// \$G \$D/\$F.dir/p.go && \$G \$D/\$F.dir/main.go && \$L main.\$A && ./\$A.out || echo BUG*" \
 923                             $test_line ] } {
 924                 set name1 "p.go"
 925                 set name2 "main.go"
 926             }
 927             set hold_runtests $runtests
 928             set runtests "go-test.exp"
 929             set dg-do-what-default "assemble"
 930             regsub "\\.go$" $test ".dir/$name1" file1
 931             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 932             set ofile1 "[file rootname [file tail $file1]].o"
 933             regsub "\\.go$" $test ".dir/$name2" file2
 934             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 935             set ofile2 "[file rootname [file tail $file2]].o"
 936             set dg-do-what-default "link"
 937             set output_file "./[file rootname [file tail $file2]].exe"
 938             set comp_output [go_target_compile "$ofile1 $ofile2" \
 939                                  $output_file "executable" "$options"]
 940             set comp_output [go-dg-prune $target_triplet $comp_output]
 941             if [string match "" $comp_output] {
 942                 set result [go_load "$output_file" "" ""]
 943                 set status [lindex $result 0]
 944                 $status $name
 945             } else {
 946                 verbose -log $comp_output
 947                 fail $name
 948             }
 949             file delete $ofile1 $ofile2 $output_file
 950             set runtests $hold_runtests
 951         } elseif { $test_line == "// \$G \$D/\$F.dir/bug0.go &&" \
 952                        && $test_line2 == "// \$G \$D/\$F.dir/bug1.go &&" \
 953                        && $test_line3 == "// \$G \$D/\$F.dir/bug2.go &&" \
 954                        && $test_line4 == "// errchk \$G -e \$D/\$F.dir/bug3.go &&" \
 955                        && $test_line5 == "// \$L bug2.\$A &&" \
 956                        && [string match "// ./\$A.out || echo BUG*" $test_line6] } {
 957             set hold_runtests $runtests
 958             set runtests "go-test.exp"
 959             set dg-do-what-default "assemble"
 960             regsub "\\.go$" $test ".dir/bug0.go" file0
 961             dg-test -keep-output $file0 "-O -fgo-prefix=bug0" "-w $DEFAULT_GOCFLAGS"
 962             set ofile0 "[file rootname [file tail $file0]].o"
 963             regsub "\\.go$" $test ".dir/bug1.go" file1
 964             dg-test -keep-output $file1 "-O -fgo-prefix=bug1" "-w $DEFAULT_GOCFLAGS"
 965             set ofile1 "[file rootname [file tail $file1]].o"
 966             regsub "\\.go$" $test ".dir/bug2.go" file2
 967             dg-test -keep-output $file2 "-O" "-w $DEFAULT_GOCFLAGS"
 968             set ofile2 "[file rootname [file tail $file2]].o"
 969             regsub "\\.go$" $test ".dir/bug3.go" file3
 970             errchk $file3 ""
 971             set output_file "./[file rootname [file tail $test]].exe"
 972             set comp_output [go_target_compile "$ofile0 $ofile1 $ofile2" \
 973                                  $output_file "executable" "$options"]
 974             set comp-output [go-dg-prune $target_triplet $comp_output]
 975             if [string match "" $comp_output] {
 976                 set result [go_load "$output_file" "" ""]
 977                 set status [lindex $result 0]
 978                 $status $name
 979             } else {
 980                 verbose -log $comp_output
 981                 fail $name
 982             }
 983             file delete $ofile0 $ofile1 $ofile2 $output_file
 984             set runtests $hold_runtests
 985         } elseif { $test_line == "// \$G \$D/import2.go && \$G \$D/\$F\.go" \
 986                        || $test_line == "// \$G \$D/recursive1.go && \$G \$D/\$F.go" } {
 987             if { $test_line == "// \$G \$D/import2.go && \$G \$D/\$F\.go" } {
 988                 set name1 "import2.go"
 989             } elseif { $test_line == "// \$G \$D/recursive1.go && \$G \$D/\$F.go" } {
 990                 set name1 "recursive1.go"
 991             }
 992             set hold_runtests $runtests
 993             set runtests "go-test.exp"
 994             set dg-do-what-default "assemble"
 995             regsub "/\[^/\]*$" $test "/${name1}" file1
 996             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
 997             set ofile1 "[file rootname [file tail $file1]].o"
 998             dg-test $test "-O" "-w $DEFAULT_GOCFLAGS"
 999             file delete $ofile1
1000             set runtests $hold_runtests
1001         } elseif { $test_line == "// \$G \$D/ddd2.go && \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out" } {
1002             set hold_runtests $runtests
1003             set runtests "go-test.exp"
1004             set dg-do-what-default "assemble"
1005             regsub "/\[^/\]*$" $test "/ddd2.go" file1
1006             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
1007             set ofile1 "[file rootname [file tail $file1]].o"
1008             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1009             set ofile2 "[file rootname [file tail $test]].o"
1010             set output_file "./[file rootname [file tail $test]].exe"
1011             set comp_output [go_target_compile "$ofile1 $ofile2" \
1012                                  $output_file "executable" "$options"]
1013             set comp_output [go-dg-prune $target_triplet $comp_output]
1014             if [string match "" $comp_output] {
1015                 set result [go_load "$output_file" "" ""]
1016                 set status [lindex $result 0]
1017                 $status $name
1018             } else {
1019                 verbose -log $comp_output
1020                 fail $name
1021             }
1022             file delete $ofile1 $ofile2 $output_file
1023             set runtests $hold_runtests
1024         } elseif { $test_line == "// run cmplxdivide1.go" } {
1025             regsub "/\[^/\]*$" $test "/cmplxdivide1.go" test2
1026             set output_file "./[file rootname [file tail $test]].o"
1027             set comp_output [go_target_compile "$test $test2" \
1028                                  $output_file "executable" "$options"]
1029             set comp_output [go-dg-prune $target_triplet $comp_output]
1030             if [string match "" $comp_output] {
1031                 set result [go_load "$output_file" "" ""]
1032                 set status [lindex $result 0]
1033                 $status $name
1034             } else {
1035                 verbose -log $comp_output
1036                 fail $name
1037             }
1038             file delete $output_file
1039         } elseif { $test_line == "// \$G \$D/\$F.go && \$L \$F.\$A &&" \
1040                        && $test_line2 == "// ./\$A.out -pass 0 >tmp.go && \$G tmp.go && \$L -o \$A.out1 tmp.\$A && ./\$A.out1 &&" \
1041                        && $test_line3 == "// ./\$A.out -pass 1 >tmp.go && errchk \$G -e tmp.go &&" \
1042                        && $test_line4 == "// ./\$A.out -pass 2 >tmp.go && errchk \$G -e tmp.go" } {
1043             set go_execute_args ""
1044             set hold_runtests $runtests
1045             set runtests "go-test.exp"
1046             set dg-do-what-default "link"
1047             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1048             set output_file "./[file rootname [file tail $test]].exe"
1049             if [isnative] {
1050                 if { [catch "exec $output_file -pass 0 >tmp.go"] != 0 } {
1051                     fail "$name execution 0"
1052                 } else {
1053                     pass "$name execution 0"
1054                     file delete tmp.x
1055                     # Disable optimizations as this test takes a long time
1056                     # to compile.
1057                     set TORTURE_OPTIONS [list { -O0 -g -fno-var-tracking-assignments }]
1058                     go-torture-execute "./tmp.go"
1059                 }
1060                 if { [catch "exec $output_file -pass 1 >tmp.go"] != 0 } {
1061                     fail "$name execution 1"
1062                 } else {
1063                     pass "$name execution 1"
1064                     errchk tmp.go ""
1065                 }
1066                 if { [catch "exec $output_file -pass 2 >tmp.go"] != 0 } {
1067                     fail "$name execution 2"
1068                 } else {
1069                     pass "$name execution 2"
1070                     errchk tmp.go ""
1071                 }
1072                 file delete tmp.go
1073             }
1074             file delete $output_file
1075             set runtests $hold_runtests
1076         } elseif { $test_line == "// \$G \$D/\$F.go && \$L \$F.\$A && ./\$A.out >tmp.go &&" \
1077                         && $test_line2 == "// errchk \$G -e tmp.go" } {
1078             set go_execute_args ""
1079             set hold_runtests $runtests
1080             set runtests "go-test.exp"
1081             set dg-do-what-default "link"
1082             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1083             set output_file "./[file rootname [file tail $test]].exe"
1084             if [isnative] {
1085                 if { [catch "exec $output_file >tmp.go"] != 0 } {
1086                     fail "$name execution"
1087                 } else {
1088                     pass "$name execution"
1089                     file delete tmp.x
1090                     errchk tmp.go ""
1091                 }
1092             }
1093             file delete $output_file
1094             set runtests $hold_runtests
1095         } elseif { $test_line == "// errchk \$G -e \$D/\$F.dir/\[ab\].go" } {
1096             regsub "\\.go$" $test ".dir/a.go" file1
1097             regsub "\\.go$" $test ".dir/b.go" file2
1098             errchk "$file1" "$file2"
1099         } elseif { $test_line == "// \$G -N -o slow.\$A \$D/bug369.dir/pkg.go &&" \
1100                        && $test_line2 == "// \$G -o fast.\$A \$D/bug369.dir/pkg.go &&" \
1101                        && $test_line3 == "// run" } {
1102             set hold_runtests $runtests
1103             set runtests "go-test.exp"
1104             set dg-do-what-default "assemble"
1105             regsub "\\.go$" $test ".dir/pkg.go" file1
1106             dg-test -keep-output $file1 "" "-fgo-prefix=slow -w $DEFAULT_GOCFLAGS"
1107             set ofile1 "[file rootname [file tail $file1]].o"
1108             file rename -force $ofile1 slow.o
1109             dg-test -keep-output $file1 "-O2" "-fgo-prefix=fast -w $DEFAULT_GOCFLAGS"
1110             file rename -force $ofile1 fast.o
1111             set ofile2 "[file rootname [file tail $test]].o"
1112             dg-test -keep-output $test "-O" "-w $DEFAULT_GOCFLAGS"
1113             set output_file "./[file rootname [file tail $test]].exe"
1114             set comp_output [go_target_compile "$ofile2 slow.o fast.o" \
1115                                  $output_file "executable" "$options"]
1116             set comp_output [go-dg-prune $target_triplet $comp_output]
1117             if [string match "" $comp_output] {
1118                 set result [go_load "$output_file" "" ""]
1119                 set status [lindex $result 0]
1120                 $status $name
1121             } else {
1122                 verbose -log $comp_output
1123                 fail $name
1124             }
1125             file delete slow.o fast.o $ofile2 $output_file
1126             set runtests $hold_runtests
1127         } elseif { [string match \
1128                         "// \$G \$D/\$F.dir/pkg.go && \$G \$D/\$F.go || echo *" \
1129                         $test_line ] } {
1130             set hold_runtests $runtests
1131             set runtests "go-test.exp"
1132             set dg-do-what-default "assemble"
1133             regsub "\\.go$" $test ".dir/pkg.go" file1
1134             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
1135             dg-test $test "-O" "-w $DEFAULT_GOCFLAGS"
1136             file delete "[file rootname [file tail $file1]].o"
1137             set runtests $hold_runtests
1138         } elseif { [string match "// \$G \$D/\$F.dir/one.go && \$G \$D/\$F.dir/two.go || echo BUG*" \
1139                         $test_line ] } {
1140             set hold_runtests $runtests
1141             set runtests "go-test.exp"
1142             set dg-do-what-default "assemble"
1143             regsub "\\.go$" $test ".dir/one.go" file1
1144             dg-test -keep-output $file1 "-O" "-w $DEFAULT_GOCFLAGS"
1145             set ofile1 "[file rootname [file tail $file1]].o"
1146             regsub "\\.go$" $test ".dir/two.go" file2
1147             dg-test $file2 "-O" "-w $DEFAULT_GOCFLAGS"
1148             file delete $ofile1
1149             set runtests $hold_runtests
1150         } elseif { $test_line == "// \$G \$D/bug302.dir/p.go && pack grc pp.a p.\$A && \$G \$D/bug302.dir/main.go" \
1151                    || $test_line == "// \$G \$D/empty.go && errchk \$G \$D/\$F.go" } {
1152             # These tests import the same package under two different
1153             # names, which gccgo does not support.
1154         } elseif { $test_line == "// \$G -S \$D/\$F.go | egrep initdone >/dev/null && echo BUG sinit || true" } {
1155             # This tests whether initializers are written out
1156             # statically.  gccgo does not provide a way to test that,
1157             # as an initializer will be generated for any code which
1158             # has global variables which need to be registered as GC
1159             # roots.
1160         } elseif { $test_line == "// errorcheck -0 -m"
1161                    || $test_line == "// errorcheck -0 -m -l" } {
1162             # This tests debug output of the gc compiler, which is
1163             # meaningless for gccgo.
1164         } elseif { $test_line == "// \[ \$A == 6 \] || errchk \$G -e \$D/\$F.go" \
1165                        || $test_line == "// \[ \$A != 6 \]  || errchk \$G -e \$D/\$F.go" } {
1166             # This tests specific handling of the gc compiler on types
1167             # that are too large.  It is target specific in a way I
1168             # haven't bothered to check for here.
1169         } elseif { $test_line == "// \$G \$D/\$F.go && \$L -X main.tbd hello \$F.\$A && ./\$A.out" } {
1170             # This tests the gc ld -X option, which gccgo does not
1171             # support.
1172         } 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"
1173                    || $test_line == "// \$G \$D/pkg.go && pack grcS pkg.a pkg.\$A 2> /dev/null && rm pkg.\$A && \$G -I. -u \$D/main.go" } {
1174             # This tests the gc -u option, which gccgo does not
1175             # support.
1176         } elseif { $test_line == "// errorcheck -0 -N -d=nil" \
1177                        || $test_line == "// errorcheck -0 -d=nil" } {
1178             # This tests gc nil pointer checks using -d=nil, which
1179             # gccgo does not support.
1180         } else {
1181             clone_output "$name: unrecognized test line: $test_line"
1182             unsupported $name
1183         }
1184
1185         set go_compile_args ""
1186         set go_execute_args ""
1187         set TORTURE_OPTIONS [list { -O2 -g }]
1188         gcc_parallel_test_enable 1
1189     }
1190
1191     set dg-do-what-default ${saved-dg-do-what-default}
1192     set TORTURE_OPTIONS $saved_torture_options
1193 }
1194
1195 go-gc-tests