1 files changed, 44 insertions, 0 deletions
diff --git a/target/s390x/vec_helper.c b/target/s390x/vec_helper.c
new file mode 100644
index 0000000000..5b2333a8d6
--- /dev/null
+++ b/target/s390x/vec_helper.c
@@ -0,0 +1,44 @@
+/*
+ * QEMU TCG support -- s390x vector support instructions
+ *
+ * Copyright (C) 2019 Red Hat Inc
+ *
+ * Authors:
+ *   David Hildenbrand <david@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "internal.h"
+#include "vec.h"
+#include "tcg/tcg.h"
+#include "exec/helper-proto.h"
+#include "exec/cpu_ldst.h"
+#include "exec/exec-all.h"
+
+void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t addr, uint64_t bytes)
+{
+    if (likely(bytes >= 16)) {
+        uint64_t t0, t1;
+
+        t0 = cpu_ldq_data_ra(env, addr, GETPC());
+        addr = wrap_address(env, addr + 8);
+        t1 = cpu_ldq_data_ra(env, addr, GETPC());
+        s390_vec_write_element64(v1, 0, t0);
+        s390_vec_write_element64(v1, 1, t1);
+    } else {
+        S390Vector tmp = {};
+        int i;
+
+        for (i = 0; i < bytes; i++) {
+            uint8_t byte = cpu_ldub_data_ra(env, addr, GETPC());
+
+            s390_vec_write_element8(&tmp, i, byte);
+            addr = wrap_address(env, addr + 1);
+        }
+        *(S390Vector *)v1 = tmp;
+    }
+}