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