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# This whole file adapted from libgomp.c/c.exp.
if [info exists lang_library_path] then {
unset lang_library_path
unset lang_link_flags
}
if [info exists lang_test_file] then {
unset lang_test_file
}
if [info exists lang_include_flags] then {
unset lang_include_flags
}
load_lib libgomp-dg.exp
load_gcc_lib gcc-dg.exp
load_gcc_lib torture-options.exp
# Initialize dg.
dg-init
torture-init
# Turn on OpenACC.
lappend ALWAYS_CFLAGS "additional_flags=-fopenacc"
# Gather a list of all tests.
set tests [lsort [concat \
[find $srcdir/$subdir *.c] \
[find $srcdir/$subdir/../libgomp.oacc-c-c++-common *.c]]]
set ld_library_path $always_ld_library_path
append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
set_ld_library_path_env_vars
# Test OpenACC with available accelerators.
set SAVE_ALWAYS_CFLAGS "$ALWAYS_CFLAGS"
foreach offload_target_openacc $offload_targets_s_openacc {
set ALWAYS_CFLAGS "$SAVE_ALWAYS_CFLAGS"
set tagopt "-DACC_DEVICE_TYPE_$offload_target_openacc=1"
switch $offload_target_openacc {
host {
set acc_mem_shared 1
}
nvidia {
if { ![check_effective_target_openacc_nvidia_accel_present] } {
# Don't bother; execution testing is going to FAIL.
untested "$subdir $offload_target_openacc offloading"
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 {
set acc_mem_shared 0
}
}
set tagopt "$tagopt -DACC_MEM_SHARED=$acc_mem_shared"
setenv ACC_DEVICE_TYPE $offload_target_openacc
# 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 $offload_target_openacc {
host {
set-torture-options [list \
{ -O2 } ]
}
default {
set-torture-options [list \
{ -O0 } \
{ -O2 } ]
}
}
gcc-dg-runtest $tests "$tagopt" ""
}
# All done.
torture-finish
dg-finish
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