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-rw-r--r--test-neon.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/test-neon.c b/test-neon.c
new file mode 100644
index 0000000..88a932c
--- /dev/null
+++ b/test-neon.c
@@ -0,0 +1,63 @@
+#include <stdbool.h>
+#include <sys/resource.h>
+#include <signal.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+
+#include <sys/auxv.h>
+
+#ifdef AT_PLATFORM
+/* detect ARM ABI version will be optimized away if not used */
+static inline bool need_armv_version(int atleastversion)
+{
+ int version;
+ const char * platform = (const char *)getauxval(AT_PLATFORM);
+ if (platform == NULL)
+ return false;
+ /* at least v5 */
+ if (strlen(platform) < strlen("v5"))
+ return false;
+ if (*(platform++) != 'v')
+ return false;
+
+ char *endstr;
+ errno = 0;
+ version = strtol(platform,&endstr,10);
+ if (errno != 0)
+ return false;
+ if (endstr == platform)
+ return false;
+
+ return (version >= atleastversion);
+
+}
+#endif
+
+const struct rlimit nocore = { 0, 0 };
+
+/* emulate kill by signal */
+void
+termination_handler (int signum)
+{
+ _exit(128+signum);
+}
+
+int main()
+{
+ /* no core */
+ (void) setrlimit(RLIMIT_CORE, &nocore);
+ /* return instead */
+ struct sigaction new_action;
+ new_action.sa_handler = termination_handler;
+ (void) sigemptyset (&new_action.sa_mask);
+ new_action.sa_flags = 0;
+ (void) sigaction (SIGILL, &new_action, NULL);
+ (void) sigaction (SIGBUS, &new_action, NULL);
+ (void) sigaction (SIGSEGV, &new_action, NULL);
+ /* now test */
+ asm volatile("VMUL.I16 q0,q0,q1");;
+ return 0;
+}