Since the __sync functions have been removed from perf, it's needless
for perf tool to test the feature sync-compare-and-swap.
The feature test is not used by any other components, remove it.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andriin@fb.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Daniel Díaz <daniel.diaz@linaro.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: coresight@lists.linaro.org
Cc: x86@kernel.org
Link: http://lore.kernel.org/lkml/20210809111407.596077-10-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
dwarf_getlocations \
eventfd \
fortify-source \
- sync-compare-and-swap \
get_current_dir_name \
gettid \
glibc \
test-dwarf_getlocations.bin \
test-eventfd.bin \
test-fortify-source.bin \
- test-sync-compare-and-swap.bin \
test-get_current_dir_name.bin \
test-glibc.bin \
test-gtk2.bin \
$(OUTPUT)test-libbabeltrace.bin:
$(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)
-$(OUTPUT)test-sync-compare-and-swap.bin:
- $(BUILD)
-
$(OUTPUT)test-compile-32.bin:
$(CC) -m32 -o $@ test-compile.c
# include "test-libdw-dwarf-unwind.c"
#undef main
-#define main main_test_sync_compare_and_swap
-# include "test-sync-compare-and-swap.c"
-#undef main
-
#define main main_test_zlib
# include "test-zlib.c"
#undef main
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-#include <stdint.h>
-
-volatile uint64_t x;
-
-int main(int argc, char *argv[])
-{
- uint64_t old, new = argc;
-
- (void)argv;
- do {
- old = __sync_val_compare_and_swap(&x, 0, 0);
- } while (!__sync_bool_compare_and_swap(&x, old, new));
- return old == new;
-}