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Diffstat (limited to 'tests/tcg/s390x/rxsbg.c')
-rw-r--r--tests/tcg/s390x/rxsbg.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/tcg/s390x/rxsbg.c b/tests/tcg/s390x/rxsbg.c
new file mode 100644
index 0000000000..4b155db304
--- /dev/null
+++ b/tests/tcg/s390x/rxsbg.c
@@ -0,0 +1,46 @@
+/*
+ * Test the RXSBG instruction.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include <assert.h>
+#include <stdlib.h>
+
+static inline __attribute__((__always_inline__)) void
+rxsbg(unsigned long *r1, unsigned long r2, int i3, int i4, int i5, int *cc)
+{
+ asm("rxsbg %[r1],%[r2],%[i3],%[i4],%[i5]\n"
+ "ipm %[cc]"
+ : [r1] "+r" (*r1), [cc] "=r" (*cc)
+ : [r2] "r" (r2) , [i3] "i" (i3) , [i4] "i" (i4) , [i5] "i" (i5)
+ : "cc");
+ *cc = (*cc >> 28) & 3;
+}
+
+void test_cc0(void)
+{
+ unsigned long r1 = 6;
+ int cc;
+
+ rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc);
+ assert(r1 == 6);
+ assert(cc == 0);
+}
+
+void test_cc1(void)
+{
+ unsigned long r1 = 2;
+ int cc;
+
+ rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc);
+ assert(r1 == 2);
+ assert(cc == 1);
+}
+
+int main(void)
+{
+ test_cc0();
+ test_cc1();
+
+ return EXIT_SUCCESS;
+}