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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [lib/] [c-torture.exp] - Rev 320
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# Copyright (C) 1992-1998, 1999, 2000, 2007, 2008
# 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 target-supports.exp
load_lib file-format.exp
load_lib target-libpath.exp
# The default option list can be overridden by
# TORTURE_OPTIONS="{ { list1 } ... { listN } }"
if [info exists TORTURE_OPTIONS] {
set C_TORTURE_OPTIONS $TORTURE_OPTIONS
} else {
# 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 C_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 } ]
}
if [info exists ADDITIONAL_TORTURE_OPTIONS] {
set C_TORTURE_OPTIONS \
[concat $C_TORTURE_OPTIONS $ADDITIONAL_TORTURE_OPTIONS]
}
set LTO_TORTURE_OPTIONS ""
if [check_effective_target_lto] {
set LTO_TORTURE_OPTIONS [list \
{ -O2 -flto } \
{ -O2 -fwhopr }
]
}
global GCC_UNDER_TEST
if ![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 $GCC_UNDER_TEST]
set_ld_library_path_env_vars
}
#
# c-torture-compile -- runs the Tege C-torture test
#
# SRC is the full pathname of the testcase.
# OPTION is the specific compiler flag we're testing (eg: -O2).
#
proc c-torture-compile { src option } {
global output
global srcdir tmpdir
global host_triplet
set output "$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"
}
}
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