1 files changed, 49 insertions, 0 deletions
diff --git a/tests/tcg/aarch64/sve-str.c b/tests/tcg/aarch64/sve-str.c
new file mode 100644
index 0000000000..ae271c9d87
--- /dev/null
+++ b/tests/tcg/aarch64/sve-str.c
@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <sys/prctl.h>
+
+#define N  (256 + 16)
+
+static int __attribute__((noinline)) test(int vl)
+{
+    unsigned char buf[N];
+    int err = 0;
+
+    for (int i = 0; i < N; ++i) {
+        buf[i] = (unsigned char)i;
+    }
+
+    asm volatile (
+        "mov z0.b, #255\n\t"
+        "str z0, %0"
+        : : "m" (buf) : "z0", "memory");
+
+    for (int i = 0; i < vl; ++i) {
+        if (buf[i] != 0xff) {
+            fprintf(stderr, "vl %d, index %d, expected 255, got %d\n",
+                    vl, i, buf[i]);
+            err = 1;
+        }
+    }
+
+    for (int i = vl; i < N; ++i) {
+        if (buf[i] != (unsigned char)i) {
+            fprintf(stderr, "vl %d, index %d, expected %d, got %d\n",
+                    vl, i, (unsigned char)i, buf[i]);
+            err = 1;
+        }
+    }
+
+    return err;
+}
+
+int main()
+{
+    int err = 0;
+
+    for (int i = 16; i <= 256; i += 16) {
+        if (prctl(PR_SVE_SET_VL, i, 0, 0, 0, 0) == i) {
+            err |= test(i);
+        }
+    }
+    return err;
+}