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|
# This whole file adapted from libgomp.c++/c++.exp.
load_lib libgomp-dg.exp
load_gcc_lib gcc-dg.exp
load_gcc_lib torture-options.exp
proc check_effective_target_c { } {
return 0
}
proc check_effective_target_c++ { } {
return 1
}
global shlib_ext
set shlib_ext [get_shlib_extension]
set lang_link_flags "-lstdc++"
set lang_test_file_found 0
set lang_library_path "../libstdc++-v3/src/.libs"
if [info exists lang_include_flags] then {
unset lang_include_flags
}
# Initialize dg.
dg-init
torture-init
# Turn on OpenACC.
lappend ALWAYS_CFLAGS "additional_flags=-fopenacc"
# Switch into C++ mode. Otherwise, the libgomp.oacc-c-c++-common/*.c
# files would be compiled as C files.
set SAVE_GCC_UNDER_TEST "$GCC_UNDER_TEST"
set GCC_UNDER_TEST "$GCC_UNDER_TEST -x c++"
set blddir [lookfor_file [get_multilibs] libgomp]
if { $blddir != "" } {
# Look for a static libstdc++ first.
if [file exists "${blddir}/${lang_library_path}/libstdc++.a"] {
set lang_test_file "${lang_library_path}/libstdc++.a"
set lang_test_file_found 1
# We may have a shared only build, so look for a shared libstdc++.
} elseif [file exists "${blddir}/${lang_library_path}/libstdc++.${shlib_ext}"] {
set lang_test_file "${lang_library_path}/libstdc++.${shlib_ext}"
set lang_test_file_found 1
} else {
puts "No libstdc++ library found, will not execute c++ tests"
}
} elseif { [info exists GXX_UNDER_TEST] } {
set lang_test_file_found 1
# Needs to exist for libgomp.exp.
set lang_test_file ""
} else {
puts "GXX_UNDER_TEST not defined, will not execute c++ tests"
}
if { $lang_test_file_found } {
# Gather a list of all tests.
set tests [lsort [concat \
[find $srcdir/$subdir *.C] \
[find $srcdir/$subdir/../libgomp.oacc-c-c++-common *.c]]]
if { $blddir != "" } {
set ld_library_path "$always_ld_library_path:${blddir}/${lang_library_path}"
} else {
set ld_library_path "$always_ld_library_path"
}
append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
set_ld_library_path_env_vars
set flags_file "${blddir}/../libstdc++-v3/scripts/testsuite_flags"
if { [file exists $flags_file] } {
set libstdcxx_includes [exec sh $flags_file --build-includes]
} else {
set libstdcxx_includes ""
}
# Test with all available offload targets, and with offloading disabled.
foreach offload_target [concat [split $offload_targets ","] "disable"] {
global openacc_device_type
set openacc_device_type [offload_target_to_openacc_device_type $offload_target]
set tagopt "-DACC_DEVICE_TYPE_$openacc_device_type=1"
switch $openacc_device_type {
"" {
unsupported "$subdir $offload_target offloading"
continue
}
gcn {
if { ![check_effective_target_openacc_amdgcn_accel_present] } {
# Don't bother; execution testing is going to FAIL.
untested "$subdir $offload_target offloading: supported, but hardware not accessible"
continue
}
set acc_mem_shared 0
}
host {
set acc_mem_shared 1
}
nvidia {
if { ![check_effective_target_openacc_nvidia_accel_present] } {
# Don't bother; execution testing is going to FAIL.
untested "$subdir $offload_target offloading: supported, but hardware not accessible"
continue
}
# Copy ptx file (TEMPORARY)
remote_download host $srcdir/libgomp.oacc-c-c++-common/subr.ptx
# Where timer.h lives
lappend ALWAYS_CFLAGS "additional_flags=-I${srcdir}/libgomp.oacc-c-c++-common"
set acc_mem_shared 0
}
default {
error "Unknown OpenACC device type: $openacc_device_type (offload target: $offload_target)"
}
}
set tagopt "$tagopt -DACC_MEM_SHARED=$acc_mem_shared"
# To avoid compilation overhead, and to keep simple '-foffload=[...]'
# handling in test cases, by default only build for the offload target
# that we're actually going to test.
set tagopt "$tagopt -foffload=$offload_target"
# Force usage of the corresponding OpenACC device type.
setenv ACC_DEVICE_TYPE $openacc_device_type
# To get better test coverage for device-specific code that is only
# ever used in offloading configurations, we'd like more thorough
# testing for test cases that deal with offloading, which most of all
# OpenACC test cases are. We enable torture testing, but limit it to
# -O0 and -O2 only, to avoid testing times exploding too much, under
# the assumption that between -O0 and -O[something] there is the
# biggest difference in the overall structure of the generated code.
switch -glob $offload_target {
disable {
set-torture-options [list \
{ -O2 } ]
}
default {
set-torture-options [list \
{ -O0 } \
{ -O2 } ]
}
}
gcc-dg-runtest $tests "$tagopt" "$libstdcxx_includes"
}
} else {
# Call this once, which placates the subsequent torture-finish.
set-torture-options [list \
{ INVALID } ]
}
# See above.
set GCC_UNDER_TEST "$SAVE_GCC_UNDER_TEST"
# All done.
torture-finish
dg-finish
|
