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
17load_lib dg.exp
18load_lib file-format.exp
19load_lib target-supports.exp
20load_lib scanasm.exp
21load_lib prune.exp
22
23if ![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
46set torture_with_loops $TORTURE_OPTIONS
47set torture_without_loops ""
48foreach 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
56proc 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
108proc 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#
127proc 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.
141proc 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}
168