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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [lib/] [c-torture.exp] - Blame information for rev 455

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1 149 jeremybenn
# Copyright (C) 1992-1998, 1999, 2000, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3.  If not see
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# .
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# This file was written by Rob Savoye. (rob@cygnus.com)
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load_lib file-format.exp
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# The default option list can be overridden by
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# TORTURE_OPTIONS="{ { list1 } ... { listN } }"
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if ![info exists TORTURE_OPTIONS] {
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    # It is theoretically beneficial to group all of the O2/O3 options together,
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    # as in many cases the compiler will generate identical executables for
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    # all of them--and the c-torture testsuite will skip testing identical
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    # executables multiple times.
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    # Also note that -finline-functions is explicitly included in one of the
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    # items below, even though -O3 is also specified, because some ports may
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    # choose to disable inlining functions by default, even when optimizing.
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    set TORTURE_OPTIONS [list \
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        { -O0 } \
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        { -O1 } \
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        { -O2 } \
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        { -O3 -fomit-frame-pointer } \
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        { -O3 -fomit-frame-pointer -funroll-loops } \
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        { -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions } \
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        { -O3 -g } \
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        { -Os } ]
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}
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# Split TORTURE_OPTIONS into two choices: one for testcases with loops and
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# one for testcases without loops.
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set torture_with_loops $TORTURE_OPTIONS
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set torture_without_loops ""
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foreach option $TORTURE_OPTIONS {
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    if ![string match "*loop*" $option] {
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        lappend torture_without_loops $option
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    }
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}
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#
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# c-torture-compile -- runs the Tege C-torture test
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#
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# SRC is the full pathname of the testcase.
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# OPTION is the specific compiler flag we're testing (eg: -O2).
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#
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proc c-torture-compile { src option } {
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    global output
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    global srcdir tmpdir
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    global host_triplet
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    set output "$tmpdir/[file tail [file rootname $src]].o"
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    regsub "(?q)$srcdir/" $src "" testcase
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    # If we couldn't rip $srcdir out of `src' then just do the best we can.
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    # The point is to reduce the unnecessary noise in the logs.  Don't strip
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    # out too much because different testcases with the same name can confuse
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    # `test-tool'.
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    if [string match "/*" $testcase] {
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        set testcase "[file tail [file dirname $src]]/[file tail $src]"
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    }
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    verbose "Testing $testcase, $option" 1
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    # Run the compiler and analyze the results.
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    set options ""
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    lappend options "additional_flags=-w $option"
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    set comp_output [gcc_target_compile "$src" "$output" object $options]
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    gcc_check_compile $testcase $option $output $comp_output
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    remote_file build delete $output
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}
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#
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# c-torture-execute -- utility to compile and execute a testcase
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#
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# SOURCES is a list of full pathnames to the test source files.
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# The first filename in this list forms the "testcase".
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#
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# If the testcase has an associated .x file, we source that to run the
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# test instead.  We use .x so that we don't lengthen the existing filename
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# to more than 14 chars.
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#
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proc c-torture-execute { sources args } {
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    global tmpdir tool srcdir output compiler_conditional_xfail_data
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    # Use the first source filename given as the filename under test.
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    set src [lindex $sources 0]
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    if { [llength $args] > 0 } {
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        set additional_flags [lindex $args 0]
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    } else {
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        set additional_flags ""
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    }
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    # Check for alternate driver.
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    if [file exists [file rootname $src].x] {
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        verbose "Using alternate driver [file rootname [file tail $src]].x" 2
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        set done_p 0
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        catch "set done_p \[source [file rootname $src].x\]"
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        if { $done_p } {
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            return
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        }
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    }
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    # Look for a loop within the source code - if we don't find one,
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    # don't pass -funroll[-all]-loops.
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    global torture_with_loops torture_without_loops
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    if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
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        set option_list $torture_with_loops
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    } else {
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        set option_list $torture_without_loops
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    }
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    set executable $tmpdir/[file tail [file rootname $src].x]
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    regsub "(?q)$srcdir/" $src "" testcase
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    # If we couldn't rip $srcdir out of `src' then just do the best we can.
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    # The point is to reduce the unnecessary noise in the logs.  Don't strip
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    # out too much because different testcases with the same name can confuse
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    # `test-tool'.
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    if [string match "/*" $testcase] {
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        set testcase "[file tail [file dirname $src]]/[file tail $src]"
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    }
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    set count 0
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    set oldstatus "foo"
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    foreach option $option_list {
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        if { $count > 0 } {
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            set oldexec $execname
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        }
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        set execname "${executable}${count}"
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        incr count
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        # torture_{compile,execute}_xfail are set by the .x script
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        # (if present)
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        if [info exists torture_compile_xfail] {
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            setup_xfail $torture_compile_xfail
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        }
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        # torture_execute_before_{compile,execute} can be set by the .x script
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        # (if present)
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        if [info exists torture_eval_before_compile] {
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            set ignore_me [eval $torture_eval_before_compile]
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        }
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        remote_file build delete $execname
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        verbose "Testing $testcase, $option" 1
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        set options ""
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        lappend options "additional_flags=-w $option"
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        if { $additional_flags != "" } {
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            lappend options "additional_flags=$additional_flags"
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        }
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        set comp_output [gcc_target_compile "$sources" "${execname}" executable $options]
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        if ![gcc_check_compile "$testcase compilation" $option $execname $comp_output] {
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            unresolved "$testcase execution, $option"
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            remote_file build delete $execname
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            continue
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        }
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        # See if this source file uses "long long" types, if it does, and
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        # no_long_long is set, skip execution of the test.
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        if [target_info exists no_long_long] then {
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            if [expr [search_for $src "long long"]] then {
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                unsupported "$testcase execution, $option"
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                continue
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            }
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        }
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        if [info exists torture_execute_xfail] {
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            setup_xfail $torture_execute_xfail
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        }
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        if [info exists torture_eval_before_execute] {
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            set ignore_me [eval $torture_eval_before_execute]
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        }
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        # Sometimes we end up creating identical executables for two
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        # consecutive sets of different of compiler options.
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        #
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        # In such cases we know the result of this test will be identical
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        # to the result of the last test.
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        #
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        # So in cases where the time to load and run/simulate the test
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        # is relatively high, compare the two binaries and avoid rerunning
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        # tests if the executables are identical.
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        #
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        # Do not do this for native testing since the cost to load/execute
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        # the test is fairly small and the comparison step actually slows
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        # the entire process down because it usually does not "hit".
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        set skip 0
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        if { ![isnative] && [info exists oldexec] } {
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            if { [remote_file build cmp $oldexec $execname] == 0 } {
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                set skip 1
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            }
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        }
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        if { $skip == 0 } {
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            set result [gcc_load "$execname" "" ""]
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            set status [lindex $result 0]
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            set output [lindex $result 1]
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        }
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        if { $oldstatus == "pass" } {
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            remote_file build delete $oldexec
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        }
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        $status "$testcase execution, $option"
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        set oldstatus $status
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    }
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    if [info exists status] {
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        if { $status == "pass" } {
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            remote_file build delete $execname
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        }
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    }
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}
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#
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# search_for -- looks for a string match in a file
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#
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proc search_for { file pattern } {
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    set fd [open $file r]
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    while { [gets $fd cur_line]>=0 } {
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        if [string match "*$pattern*" $cur_line] then {
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            close $fd
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            return 1
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        }
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    }
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    close $fd
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    return 0
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}
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#
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# c-torture -- the c-torture testcase source file processor
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#
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# This runs compilation only tests (no execute tests).
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# SRC is the full pathname of the testcase, or just a file name in which case
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# we prepend $srcdir/$subdir.
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#
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# If the testcase has an associated .x file, we source that to run the
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# test instead.  We use .x so that we don't lengthen the existing filename
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# to more than 14 chars.
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#
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proc c-torture { args } {
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    global srcdir subdir compiler_conditional_xfail_data
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    set src [lindex $args 0]
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    if { [llength $args] > 1 } {
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        set options [lindex $args 1]
263
    } else {
264
        set options ""
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    }
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    # Prepend $srdir/$subdir if missing.
268
    if ![string match "*/*" $src] {
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        set src "$srcdir/$subdir/$src"
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    }
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    # Check for alternate driver.
273
    if [file exists [file rootname $src].x] {
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        verbose "Using alternate driver [file rootname [file tail $src]].x" 2
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        set done_p 0
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        catch "set done_p \[source [file rootname $src].x\]"
277
        if { $done_p } {
278
            return
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        }
280
    }
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282
    # Look for a loop within the source code - if we don't find one,
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    # don't pass -funroll[-all]-loops.
284
    global torture_with_loops torture_without_loops
285
    if [expr [search_for $src "for*("]+[search_for $src "while*("]] then {
286
        set option_list $torture_with_loops
287
    } else {
288
        set option_list $torture_without_loops
289
    }
290
 
291
    # loop through all the options
292
    foreach option $option_list {
293
        # torture_compile_xfail is set by the .x script (if present)
294
        if [info exists torture_compile_xfail] {
295
            setup_xfail $torture_compile_xfail
296
        }
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298
        # torture_execute_before_compile is set by the .x script (if present)
299
        if [info exists torture_eval_before_compile] {
300
            set ignore_me [eval $torture_eval_before_compile]
301
        }
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        c-torture-compile $src "$option $options"
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    }
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}

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