3 files changed, 82 insertions, 0 deletions
diff --git a/tests/ref24.txt b/tests/ref24.txt
new file mode 100644
index 00000000..40df3e68
--- /dev/null
+++ b/tests/ref24.txt
@@ -0,0 +1,8 @@
+ret = 0xedefcdab78563412
+ret = 0x78563412
+ret = 0x3412
+ret = 0xedefcdab78563412
+ret = 0x78563412
+ret = 0x3412
+ret = 0x12345678abcdefed
+ret = 0x12345678
diff --git a/tests/test24 b/tests/test24
new file mode 100755
index 00000000..3096380e
--- /dev/null
+++ b/tests/test24
Binary files differdiff --git a/tests/test24.c b/tests/test24.c
new file mode 100644
index 00000000..cd07e139
--- /dev/null
+++ b/tests/test24.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <string.h>
+#include <stddef.h>
+#include <stdint.h>
+// Build with `gcc -march=core2 -O2 test24.c -o test24`
+
+
+uint64_t a = 0x12345678abcdefed;
+uint32_t b = 0x12345678;
+uint16_t c = 0x1234;
+
+int main()
+{
+    uint64_t ret1;
+    uint32_t ret2;
+    uint16_t ret3;
+
+    asm volatile(
+        "movbe %1, %0\n"
+        : "=r"(ret1)
+        : "m"(a)
+        : "memory");
+    printf("ret = 0x%lx\n", ret1);
+
+    asm volatile(
+        "movbe %1, %0\n"
+        : "=r"(ret2)
+        : "m"(b)
+        : "memory");
+    printf("ret = 0x%x\n", ret2);
+
+    asm volatile(
+        "movbe %1, %0\n"
+        : "=r"(ret3)
+        : "m"(c)
+        : "memory");
+    printf("ret = 0x%x\n", ret3);
+
+    asm volatile(
+        "movbe %1, %0\n"
+        : "=m"(ret1)
+        : "r"(a)
+        : "memory");
+    printf("ret = 0x%lx\n", ret1);
+
+    asm volatile(
+        "movbe %1, %0\n"
+        : "=m"(ret2)
+        : "r"(b)
+        : "memory");
+    printf("ret = 0x%x\n", ret2);
+
+    asm volatile(
+        "movbe %1, %0\n"
+        : "=m"(ret3)
+        : "r"(c)
+        : "memory");
+    printf("ret = 0x%x\n", ret3);
+
+    asm volatile(
+        "bswap %0\n"
+        : "+r"(ret1)
+        :
+        :);
+    printf("ret = 0x%lx\n", ret1);
+
+    asm volatile(
+        "bswap %0\n"
+        : "+r"(ret2)
+        :
+        :);
+    printf("ret = 0x%x\n", ret2);
+    return 0;
+}