Add a basic test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
tests/tcg/s390x/Makefile.target | 1 +
tests/tcg/s390x/div.c | 40 +++++++++++++++++++++++++++++++++
2 files changed, 41 insertions(+)
create mode 100644 tests/tcg/s390x/div.c
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target
index c882db7a78a..f2ec7587387 100644
--- a/tests/tcg/s390x/Makefile.target
+++ b/tests/tcg/s390x/Makefile.target
@@ -26,6 +26,7 @@ TESTS+=branch-relative-long
TESTS+=noexec
TESTS+=clst
TESTS+=long-double
+TESTS+=div
Z13_TESTS=vistr
$(Z13_TESTS): CFLAGS+=-march=z13 -O2
diff --git a/tests/tcg/s390x/div.c b/tests/tcg/s390x/div.c
new file mode 100644
index 00000000000..58072956147
--- /dev/null
+++ b/tests/tcg/s390x/div.c
@@ -0,0 +1,40 @@
+#include <assert.h>
+#include <stdint.h>
+
+static void test_dr(void)
+{
+ register int32_t r0 asm("r0") = -1;
+ register int32_t r1 asm("r1") = -4241;
+ int32_t b = 101, q, r;
+
+ asm("dr %[r0],%[b]"
+ : [r0] "+r" (r0), [r1] "+r" (r1)
+ : [b] "r" (b)
+ : "cc");
+ q = r1;
+ r = r0;
+ assert(q == -41);
+ assert(r == -100);
+}
+
+static void test_dlr(void)
+{
+ register uint32_t r0 asm("r0") = 0;
+ register uint32_t r1 asm("r1") = 4243;
+ uint32_t b = 101, q, r;
+
+ asm("dlr %[r0],%[b]"
+ : [r0] "+r" (r0), [r1] "+r" (r1)
+ : [b] "r" (b)
+ : "cc");
+ q = r1;
+ r = r0;
+ assert(q == 42);
+ assert(r == 1);
+}
+
+int main(void)
+{
+ test_dr();
+ test_dlr();
+}
--
2.37.2