1 files changed, 23 insertions, 0 deletions
diff --git a/tests/tcg/s390x/epsw.c b/tests/tcg/s390x/epsw.c
new file mode 100644
index 0000000000..affb1a5e3a
--- /dev/null
+++ b/tests/tcg/s390x/epsw.c
@@ -0,0 +1,23 @@
+/*
+ * Test the EPSW instruction.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include <assert.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    unsigned long r1 = 0x1234567887654321UL, r2 = 0x8765432112345678UL;
+
+    asm("cr %[r1],%[r2]\n"  /* cc = 1 */
+        "epsw %[r1],%[r2]"
+        : [r1] "+r" (r1), [r2] "+r" (r2) : : "cc");
+
+    /* Do not check the R and RI bits. */
+    r1 &= ~0x40000008UL;
+    assert(r1 == 0x1234567807051001UL);
+    assert(r2 == 0x8765432180000000UL);
+
+    return EXIT_SUCCESS;
+}