gcc/testsuite/lib/g77-dg.exp

   1 #   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 load_lib dg.exp
  18 load_lib file-format.exp
  19 load_lib target-supports.exp
  20 load_lib scanasm.exp
  21 load_lib prune.exp
  22
  23 if ![info exists TORTURE_OPTIONS] {
  24     # It is theoretically beneficial to group all of the O2/O3 options together,
  25     # as in many cases the compiler will generate identical executables for
  26     # all of them--and the c-torture testsuite will skip testing identical
  27     # executables multiple times.
  28     # Also note that -finline-functions is explicitly included in one of the
  29     # items below, even though -O3 is also specified, because some ports may
  30     # choose to disable inlining functions by default, even when optimizing.
  31     set TORTURE_OPTIONS [list \
  32         { -O0 } \
  33         { -O1 } \
  34         { -O2 } \
  35         { -O3 -fomit-frame-pointer } \
  36         { -O3 -fomit-frame-pointer -funroll-loops } \
  37         { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \
  38         { -O3 -g } \
  39         { -Os } ]
  40 }
  41
  42
  43 # Split TORTURE_OPTIONS into two choices: one for testcases with loops and
  44 # one for testcases without loops.
  45
  46 set torture_with_loops $TORTURE_OPTIONS
  47 set torture_without_loops ""
  48 foreach option $TORTURE_OPTIONS {
  49     if ![string match "*loop*" $option] {
  50         lappend torture_without_loops $option
  51     }
  52 }
  53
  54 # Define g77 callbacks for dg.exp.
  55
  56 proc g77-dg-test { prog do_what extra_tool_flags } {
  57     # Set up the compiler flags, based on what we're going to do.
  58
  59     switch $do_what {
  60         "preprocess" {
  61             set compile_type "preprocess"
  62             set output_file "[file rootname [file tail $prog]].i"
  63         }
  64         "compile" {
  65             set compile_type "assembly"
  66             set output_file "[file rootname [file tail $prog]].s"
  67         }
  68         "assemble" {
  69             set compile_type "object"
  70             set output_file "[file rootname [file tail $prog]].o"
  71         }
  72         "link" {
  73             set compile_type "executable"
  74             set output_file "[file rootname [file tail $prog]].exe"
  75             # The following line is needed for targets like the i960 where
  76             # the default output file is b.out.  Sigh.
  77         }
  78         "run" {
  79             set compile_type "executable"
  80             # FIXME: "./" is to cope with "." not being in $PATH.
  81             # Should this be handled elsewhere?
  82             # YES.
  83             set output_file "./[file rootname [file tail $prog]].exe"
  84             # This is the only place where we care if an executable was
  85             # created or not.  If it was, dg.exp will try to run it.
  86             remote_file build delete $output_file;
  87         }
  88         default {
  89             perror "$do_what: not a valid dg-do keyword"
  90             return ""
  91         }
  92     }
  93     set options ""
  94     if { $extra_tool_flags != "" } {
  95         lappend options "additional_flags=$extra_tool_flags"
  96     }
  97
  98     set comp_output [g77_target_compile "$prog" "$output_file" "$compile_type" $options];
  99
 100     # Put the error message on the same line as the line number
 101     # Remove the line of source code with the error and
 102     # the "     ^" that points to error
 103     regsub -all "\n\[^\n\]*\n *\\^\n" $comp_output "" comp_output
 104
 105     return [list $comp_output $output_file]
 106 }
 107
 108 proc g77-dg-prune { system text } {
 109     set text [prune_gcc_output $text]
 110
 111     # If we see "region xxx is full" then the testcase is too big for ram.
 112     # This is tricky to deal with in a large testsuite like c-torture so
 113     # deal with it here.  Just mark the testcase as unsupported.
 114     if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $text] {
 115         # The format here is important.  See dg.exp.
 116         return "::unsupported::memory full"
 117     }
 118
 119     return $text
 120 }
 121
 122 # Utility routines.
 123
 124 #
 125 # search_for -- looks for a string match in a file
 126 #
 127 proc search_for { file pattern } {
 128     set fd [open $file r]
 129     while { [gets $fd cur_line]>=0 } {
 130         if [string match "*$pattern*" $cur_line] then {
 131             close $fd
 132             return 1
 133         }
 134     }
 135     close $fd
 136     return 0
 137 }
 138
 139 # Modified dg-runtest that can cycle through a list of optimization options
 140 # as c-torture does.
 141 proc g77-dg-runtest { testcases default-extra-flags } {
 142     global runtests
 143
 144     foreach test $testcases {
 145         # If we're only testing specific files and this isn't one of
 146         # them, skip it.
 147         if ![runtest_file_p $runtests $test] {
 148             continue
 149         }
 150
 151         # Look for a loop within the source code - if we don't find one,
 152         # don't pass -funroll[-all]-loops.
 153         global torture_with_loops torture_without_loops
 154         if [expr [search_for $test "do *\[0-9\]"]+[search_for $test "end *do"]] {
 155             set option_list $torture_with_loops
 156         } else {
 157             set option_list $torture_without_loops
 158         }
 159
 160         set nshort [file tail [file dirname $test]]/[file tail $test]
 161
 162         foreach flags $option_list {
 163             verbose "Testing $nshort, $flags" 1
 164             dg-test $test $flags ${default-extra-flags}
 165         }
 166     }
 167 }