Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/tcg/i386/test-i386-pcmpistri.c b/tests/tcg/i386/test-i386-pcmpistri.c
new file mode 100644
index 000000000..1e81ae611
--- /dev/null
+++ b/tests/tcg/i386/test-i386-pcmpistri.c
@@ -0,0 +1,33 @@
+/* Test pcmpistri instruction.  */
+
+#include <nmmintrin.h>
+#include <stdio.h>
+
+union u {
+    __m128i x;
+    unsigned char uc[16];
+};
+
+union u s0 = { .uc = { 0 } };
+union u s1 = { .uc = "abcdefghijklmnop" };
+union u s2 = { .uc = "bcdefghijklmnopa" };
+union u s3 = { .uc = "bcdefghijklmnab" };
+
+int
+main(void)
+{
+    int ret = 0;
+    if (_mm_cmpistri(s0.x, s0.x, 0x4c) != 15) {
+        printf("FAIL: pcmpistri test 1\n");
+        ret = 1;
+    }
+    if (_mm_cmpistri(s1.x, s2.x, 0x4c) != 15) {
+        printf("FAIL: pcmpistri test 2\n");
+        ret = 1;
+    }
+    if (_mm_cmpistri(s1.x, s3.x, 0x4c) != 16) {
+        printf("FAIL: pcmpistri test 3\n");
+        ret = 1;
+    }
+    return ret;
+}