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authorIlya Leoshkevich <iii@linux.ibm.com>2023-07-24 10:16:07 +0200
committerThomas Huth <thuth@redhat.com>2023-07-24 18:44:48 +0200
commit241ab36c0aa1d02ae1b9f38094b9df0c7e76f497 (patch)
tree11a9a890112b5f889a079603ee4c1a03b92cfdc6
parente11e2fc6fbdd6c08d24926b1e80204f1d0457d38 (diff)
downloadfocaccia-qemu-241ab36c0aa1d02ae1b9f38094b9df0c7e76f497.tar.gz
focaccia-qemu-241ab36c0aa1d02ae1b9f38094b9df0c7e76f497.zip
tests/tcg/s390x: Test VCKSM
Add a small test to prevent regressions.

Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-15-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
-rw-r--r--tests/tcg/s390x/Makefile.target1
-rw-r--r--tests/tcg/s390x/vcksm.c31
-rw-r--r--tests/tcg/s390x/vx.h2
3 files changed, 34 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target
index 71bf39b78d..1fc9809907 100644
--- a/tests/tcg/s390x/Makefile.target
+++ b/tests/tcg/s390x/Makefile.target
@@ -58,6 +58,7 @@ TESTS += $(PGM_SPECIFICATION_TESTS)
 Z13_TESTS=vistr
 Z13_TESTS+=lcbb
 Z13_TESTS+=locfhr
+Z13_TESTS+=vcksm
 $(Z13_TESTS): CFLAGS+=-march=z13 -O2
 TESTS+=$(Z13_TESTS)
 
diff --git a/tests/tcg/s390x/vcksm.c b/tests/tcg/s390x/vcksm.c
new file mode 100644
index 0000000000..452daaae6c
--- /dev/null
+++ b/tests/tcg/s390x/vcksm.c
@@ -0,0 +1,31 @@
+/*
+ * Test the VCKSM instruction.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include "vx.h"
+
+int main(void)
+{
+    S390Vector v1;
+    S390Vector v2 = {
+        .d[0] = 0xb2261c8140edce49ULL,
+        .d[1] = 0x387bf5a433af39d1ULL,
+    };
+    S390Vector v3 = {
+        .d[0] = 0x73b03d2c7f9e654eULL,
+        .d[1] = 0x23d74e51fb479877ULL,
+    };
+    S390Vector exp = {.d[0] = 0xdedd7f8eULL, .d[1] = 0ULL};
+
+    asm volatile("vcksm %[v1],%[v2],%[v3]"
+                 : [v1] "=v" (v1.v)
+                 : [v2] "v" (v2.v)
+                 , [v3] "v" (v3.v));
+    assert(memcmp(&v1, &exp, sizeof(v1)) == 0);
+
+    return EXIT_SUCCESS;
+}
diff --git a/tests/tcg/s390x/vx.h b/tests/tcg/s390x/vx.h
index 02e7fd518a..00701dbe35 100644
--- a/tests/tcg/s390x/vx.h
+++ b/tests/tcg/s390x/vx.h
@@ -1,6 +1,8 @@
 #ifndef QEMU_TESTS_S390X_VX_H
 #define QEMU_TESTS_S390X_VX_H
 
+#include <stdint.h>
+
 typedef union S390Vector {
     uint64_t d[2];  /* doubleword */
     uint32_t w[4];  /* word */