Support CLCL and MVCL instructions. This is the non-VEX part.

Fixes #279027.  See VEX r2200.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12015

diff --git a/NEWS b/NEWS
index 2666a89456e47c1fd0ec52127ca9243851b3a4a8..e0ca7303bfa626b92b52993a8c49fa30159ba37c 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -273,6 +273,8 @@ fixed
 
 275517 - s390x: Provide support for CKSM instruction
 
+279027 - s390x: Provide support for CLCL and MVCL instructions
+
 
 Release 3.6.1 (16 February 2011)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/none/tests/s390x/Makefile.am b/none/tests/s390x/Makefile.am
index 669e196504b311ee69a227e60b97d322d18c05a1..5c269dedc4aca0876af78e0c881bc93204cb5677 100644 (file)
--- a/none/tests/s390x/Makefile.am
+++ b/none/tests/s390x/Makefile.am
@@ -5,7 +5,7 @@ dist_noinst_SCRIPTS = filter_stderr
 INSN_TESTS = clc clcle cvb cvd icm lpr tcxb lam_stam xc mvst add sub mul \
              and or xor insert div srst fold_And16 flogr sub_EI add_EI \
              and_EI or_EI xor_EI insert_EI mul_GE add_GE condloadstore \
-             op_exception fgx stck stckf stcke stfle op00 cksm
+             op_exception fgx stck stckf stcke stfle op00 cksm mvcl clcl
 
 check_PROGRAMS = $(INSN_TESTS) \
                 ex_sig \

diff --git a/none/tests/s390x/clcl.c b/none/tests/s390x/clcl.c
new file mode 100644 (file)
index 0000000..e1cb203
--- /dev/null
+++ b/none/tests/s390x/clcl.c
@@ -0,0 +1,244 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <assert.h>
+
+/* The golden logs were obtained by running this test natively. */
+
+/* The abstracted result of a CLCL insn */
+typedef struct {
+  uint64_t addr1;
+  uint32_t len1;
+  uint64_t addr2;
+  uint32_t len2;
+  uint8_t  pad;
+  uint32_t cc;
+} clcl_t;
+
+/* Register contents after CLCL insn */
+typedef struct {
+  uint64_t r1;
+  uint64_t r1p1;
+  uint64_t r2;
+  uint64_t r2p1;
+  uint64_t cc;
+} clcl_regs;
+
+/* Run a single CLCL insn and return its raw result. */
+static clcl_regs
+do_clcl(uint64_t r1, uint64_t r1p1, uint64_t r2, uint64_t r2p1)
+{
+  clcl_regs regs;
+
+  register uint64_t a1 asm ("2") = r1;
+  register uint64_t l1 asm ("3") = r1p1;
+  register uint64_t a2 asm ("4") = r2;
+  register uint64_t l2 asm ("5") = r2p1;
+  register uint32_t cc asm ("7");
+
+  asm volatile(        "0: clcl 2,4\n\t"
+                "jo 0b\n\t"
+                "ipm %0\n\t"
+                "srl %0,28\n\t"
+                :"=d" (cc), "+d" (a1),"+d" (l1), "+d" (a2), "+d" (l2)
+                : : "memory", "cc");
+
+  regs.r1   = a1;
+  regs.r1p1 = l1;
+  regs.r2   = a2;
+  regs.r2p1 = l2;
+  regs.cc   = cc;
+
+  return regs;
+}
+
+clcl_t
+result_from_regs(clcl_regs regs)
+{
+  clcl_t result;
+
+  result.addr1 = regs.r1;
+  result.len1  = regs.r1p1 & 0xFFFFFF;
+  result.addr2 = regs.r2;
+  result.len2  = regs.r2p1 & 0xFFFFFF;
+  result.pad   = (regs.r2p1 & 0xFF000000u) >> 24;
+  result.cc    = regs.cc;
+
+  return result;
+}
+
+/* Run CLCL twice using different fill bits for unused register bits.
+   Results ought to be the same */
+static clcl_t
+clcl(void *addr1, uint32_t len1, 
+     void *addr2, uint32_t len2, uint32_t pad)
+{
+  clcl_t result1, result2;
+  clcl_regs regs;
+  uint64_t r1, r1p1, r2, r2p1;
+
+  /* Check input arguments */
+  assert((pad & 0xFF) == pad);  /* an 8-byte value */
+  assert((len1 & 0xFFFFFF) == len1);
+  assert((len2 & 0xFFFFFF) == len2);
+
+  /* Build up register contents setting unused bits to 0 */
+  r1   = (uint64_t)addr1;
+  r1p1 = len1;
+  r2   = (uint64_t)addr2;
+  r2p1 = len2 | (pad << 24);
+
+  /* Run clcl */
+  regs = do_clcl(r1, r1p1, r2, r2p1);
+  result1 = result_from_regs(regs);
+
+  /* Check unused bits */
+  if ((regs.r1p1 >> 24) != 0)
+    printf("FAIL: r1[0:39] modified (unused bits 0)\n");
+  if ((regs.r2p1 >> 32) != 0)
+    printf("FAIL: r2[0:31] modified (unused bits 0)\n");
+
+  /* Check pad value */
+  if (result1.pad != pad)
+    printf("FAIL: pad byte modified (unused bits 0)\n");
+
+  /* Build up register contents setting unused bits to 1 */
+  r1p1 |= 0xFFFFFFFFFFull << 24;
+  r2p1 |= ((uint64_t)0xFFFFFFFF) << 32;
+
+  /* Run clcl again */
+  regs = do_clcl(r1, r1p1, r2, r2p1);
+  result2 = result_from_regs(regs);
+
+  /* Check unused bits */
+  if ((regs.r1p1 >> 24) != 0xFFFFFFFFFFull)
+    printf("FAIL: r1[0:39] modified (unused bits 1)\n");
+  if ((regs.r2p1 >> 32) != 0xFFFFFFFFu)
+    printf("FAIL: r2[0:31] modified (unused bits 1)\n");
+
+  /* Check pad value */
+  if (result2.pad != pad)
+    printf("FAIL: pad byte modified (unused bits 1)\n");
+
+  /* Compare results */
+  if (result1.addr1 != result2.addr1)
+    printf("FAIL: addr1 result is different\n");
+  if (result1.addr2 != result2.addr2)
+    printf("FAIL: addr2 result is different\n");
+  if (result1.len1 != result2.len1)
+    printf("FAIL: len1 result is different\n");
+  if (result1.len2 != result2.len2)
+    printf("FAIL: len2 result is different\n");
+  if (result1.pad != result2.pad)
+    printf("FAIL: pad result is different\n");
+  if (result1.cc != result2.cc)
+    printf("FAIL: cc result is different\n");
+
+  return result1;
+}
+
+void 
+run_test(void *addr1, uint32_t len1, void *addr2, uint32_t len2, uint32_t pad)
+{
+  clcl_t result;
+
+  result = clcl(addr1, len1, addr2, len2, pad);
+
+  printf("cc: %"PRIu32", len1: %"PRIu32", len2: %"PRIu32
+         ", addr1 diff: %"PRId64", addr2 diff: %"PRId64"\n", result.cc,
+         result.len1, result.len2, (int64_t)result.addr1 - (int64_t)addr1,
+         (int64_t)result.addr2 - (int64_t)addr2);
+}
+
+int main()
+{
+  uint8_t byte, byte1, byte2;
+
+  /* Test 1: both lengths are 0; nothing loaded from memory */
+  printf("--- test 1 ---\n");
+  run_test(NULL, 0, NULL, 0, 0x00);
+  run_test(NULL, 0, NULL, 0, 0xff);
+
+  /* Test 2: Compare two single bytes */
+  printf("--- test 2 ---\n");
+  byte1 = 10;
+  byte2 = 20;
+  run_test(&byte1, 1, &byte2, 1, 0x00);  // first operand low
+  run_test(&byte1, 1, &byte1, 1, 0x00);  // equal
+  run_test(&byte2, 1, &byte1, 1, 0x00);  // first operand high
+  run_test(&byte1, 1, &byte2, 1, 0xFF);  // first operand low
+  run_test(&byte1, 1, &byte1, 1, 0xFF);  // equal
+  run_test(&byte2, 1, &byte1, 1, 0xFF);  // first operand high
+
+  /* Test 3: Compare a single byte against the pad byte */
+  printf("--- test 3 ---\n");
+  byte = 10;
+  run_test(NULL, 0, &byte, 1, 10);  // equal
+  run_test(NULL, 0, &byte, 1,  9);  // first operand low
+  run_test(NULL, 0, &byte, 1, 11);  // first operand high
+  /* Swap operands */
+  run_test(&byte, 1, NULL, 0, 10);  // equal
+  run_test(&byte, 1, NULL, 0,  9);  // first operand high
+  run_test(&byte, 1, NULL, 0, 11);  // first operand low
+
+  /* Test 4: Make sure pad byte is interpreted as unsigned value */
+  printf("--- test 4 ---\n");
+  byte = 10;
+  run_test(&byte, 1, NULL, 0, 0xFF);  // first operand low
+  byte = 0xFF;
+  run_test(&byte, 1, NULL, 0, 0xFF);  // equal
+
+  /* Test 5: Compare a buffer against the pad byte */
+  printf("--- test 5 ---\n");
+  uint8_t buf1[4] = "yyyy";
+  run_test(buf1, 4, NULL, 0, 'y');    // equal
+  run_test(buf1, 4, NULL, 0, 'x');    // greater
+  run_test(buf1, 4, NULL, 0, 'z');    // less
+
+  /* Test 6: Compare two buffers of same size (difference in 1st byte) */
+  {
+  printf("--- test 6 ---\n");
+  uint8_t x[5] = "pqrst";
+  uint8_t y[5] = "abcde";
+  uint8_t z[5] = "abcde";
+  run_test(x, 5, y, 5, 'a');   // first operand low
+  run_test(y, 5, x, 5, 'a');   // first operand high
+  run_test(y, 5, z, 5, 'q');   // equal
+  }
+
+  /* Test 7: Compare two buffers of same size (difference in last byte) */
+  {
+  printf("--- test 7 ---\n");
+  uint8_t x[5] = "abcdd";
+  uint8_t y[5] = "abcde";
+  uint8_t z[5] = "abcdf";
+  run_test(x, 5, y, 5, 'a');   // first operand low
+  run_test(z, 5, z, 5, 'a');   // first operand high
+  }
+
+  /* Test 8: Compare two buffers of different size. The difference
+     is past the end of the shorter string. */
+  {
+  printf("--- test 8 ---\n");
+  uint8_t x[5] = "abcde";
+  uint8_t y[7] = "abcdeff";
+  run_test(x, 5, y, 7, 0);   // first operand low
+  run_test(y, 7, x, 5, 0);   // first operand high
+  run_test(x, 5, y, 7, 'f'); // equal
+  run_test(y, 7, x, 5, 'f'); // equal
+  }
+
+  /* Test 9: Compare two buffers of different size. The difference
+     is before the end of the shorter string. */
+  {
+  printf("--- test 9 ---\n");
+  uint8_t x[5] = "abcab";
+  uint8_t y[7] = "abcdeff";
+  run_test(x, 5, y, 7, 0);   // first operand low
+  run_test(y, 7, x, 5, 0);   // first operand high
+  run_test(x, 5, y, 7, 'f'); // first operand low
+  run_test(y, 7, x, 5, 'f'); // first operand high
+  }
+
+  return 0;
+}

diff --git a/none/tests/s390x/clcl.stderr.exp b/none/tests/s390x/clcl.stderr.exp
new file mode 100644 (file)
index 0000000..139597f
--- /dev/null
+++ b/none/tests/s390x/clcl.stderr.exp
@@ -0,0 +1,2 @@
+
+

diff --git a/none/tests/s390x/clcl.stdout.exp b/none/tests/s390x/clcl.stdout.exp
new file mode 100644 (file)
index 0000000..f9136bf
--- /dev/null
+++ b/none/tests/s390x/clcl.stdout.exp
@@ -0,0 +1,41 @@
+--- test 1 ---
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+--- test 2 ---
+cc: 1, len1: 1, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+cc: 2, len1: 1, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 1, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+cc: 2, len1: 1, len2: 1, addr1 diff: 0, addr2 diff: 0
+--- test 3 ---
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 1
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 2, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+cc: 2, len1: 1, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 1, len2: 0, addr1 diff: 0, addr2 diff: 0
+--- test 4 ---
+cc: 1, len1: 1, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+--- test 5 ---
+cc: 0, len1: 0, len2: 0, addr1 diff: 4, addr2 diff: 0
+cc: 2, len1: 4, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 4, len2: 0, addr1 diff: 0, addr2 diff: 0
+--- test 6 ---
+cc: 2, len1: 5, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 5, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 5, addr2 diff: 5
+--- test 7 ---
+cc: 1, len1: 1, len2: 1, addr1 diff: 4, addr2 diff: 4
+cc: 0, len1: 0, len2: 0, addr1 diff: 5, addr2 diff: 5
+--- test 8 ---
+cc: 1, len1: 0, len2: 2, addr1 diff: 5, addr2 diff: 5
+cc: 2, len1: 2, len2: 0, addr1 diff: 5, addr2 diff: 5
+cc: 0, len1: 0, len2: 0, addr1 diff: 5, addr2 diff: 7
+cc: 0, len1: 0, len2: 0, addr1 diff: 7, addr2 diff: 5
+--- test 9 ---
+cc: 1, len1: 2, len2: 4, addr1 diff: 3, addr2 diff: 3
+cc: 2, len1: 4, len2: 2, addr1 diff: 3, addr2 diff: 3
+cc: 1, len1: 2, len2: 4, addr1 diff: 3, addr2 diff: 3
+cc: 2, len1: 4, len2: 2, addr1 diff: 3, addr2 diff: 3

diff --git a/none/tests/s390x/clcl.vgtest b/none/tests/s390x/clcl.vgtest
new file mode 100644 (file)
index 0000000..3f2901e
--- /dev/null
+++ b/none/tests/s390x/clcl.vgtest
@@ -0,0 +1 @@
+prog: clcl

diff --git a/none/tests/s390x/mvcl.c b/none/tests/s390x/mvcl.c
new file mode 100644 (file)
index 0000000..b912ed4
--- /dev/null
+++ b/none/tests/s390x/mvcl.c
@@ -0,0 +1,272 @@
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+/* The abstracted result of an MVCL insn */
+typedef struct {
+  uint64_t addr1;
+  uint32_t len1;
+  uint64_t addr2;
+  uint32_t len2;
+  uint8_t  pad;
+  uint32_t cc;
+} mvcl_t;
+
+/* Register contents after executing an MVCL insn */
+typedef struct {
+  uint64_t r1;
+  uint64_t r1p1;
+  uint64_t r2;
+  uint64_t r2p1;
+  uint64_t cc;
+} mvcl_regs;
+
+
+/* Run a single MVCL insn and return its raw result. */
+static mvcl_regs
+do_mvcl(uint64_t r1, uint64_t r1p1, uint64_t r2, uint64_t r2p1)
+{
+  mvcl_regs regs;
+
+  register uint64_t a1 asm ("2") = r1;
+  register uint64_t l1 asm ("3") = r1p1;
+  register uint64_t a2 asm ("4") = r2;
+  register uint64_t l2 asm ("5") = r2p1;
+  register uint32_t cc asm ("7");
+
+  asm volatile( "mvcl %1,%3\n\t"
+                "ipm %0\n\t"
+                "srl %0,28\n\t"
+                :"=d"(cc), "+d"(a1), "+d"(l1), "+d"(a2), "+d"(l2)
+                :
+                : "memory", "cc");
+
+  regs.r1   = a1;
+  regs.r1p1 = l1;
+  regs.r2   = a2;
+  regs.r2p1 = l2;
+  regs.cc   = cc;
+
+  return regs;
+}
+
+mvcl_t
+result_from_regs(mvcl_regs regs)
+{
+  mvcl_t result;
+
+  result.addr1 = regs.r1;
+  result.len1  = regs.r1p1 & 0xFFFFFF;
+  result.addr2 = regs.r2;
+  result.len2  = regs.r2p1 & 0xFFFFFF;
+  result.pad   = (regs.r2p1 & 0xFF000000u) >> 24;
+  result.cc    = regs.cc;
+
+  return result;
+}
+
+/* Run MVCL twice using different fill bits for unused register bits.
+   Results ought to be the same */
+static mvcl_t
+mvcl(void *addr1, uint32_t len1, 
+     void *addr2, uint32_t len2, uint32_t pad)
+{
+  mvcl_t result1, result2;
+  mvcl_regs regs;
+  uint64_t r1, r1p1, r2, r2p1;
+
+  /* Check input arguments */
+  assert((pad & 0xFF) == pad);  /* an 8-byte value */
+  assert((len1 & 0xFFFFFF) == len1);
+  assert((len2 & 0xFFFFFF) == len2);
+
+  /* Make a copy of the input buffer */
+  void *copy = memcpy(malloc(len1), addr1, len1);
+
+  /* Build up register contents setting unused bits to 0 */
+  r1   = (uint64_t)addr1;
+  r1p1 = len1;
+  r2   = (uint64_t)addr2;
+  r2p1 = len2 | (pad << 24);
+
+  /* Run mvcl */
+  regs = do_mvcl(r1, r1p1, r2, r2p1);
+  result1 = result_from_regs(regs);
+
+  /* Check unused bits */
+  if ((regs.r1p1 >> 24) != 0)
+    printf("FAIL: r1[0:39] modified (unused bits 0)\n");
+  if ((regs.r2p1 >> 32) != 0)
+    printf("FAIL: r2[0:31] modified (unused bits 0)\n");
+
+  /* Check pad value */
+  if (result1.pad != pad)
+    printf("FAIL: pad byte modified (unused bits 0)\n");
+
+  /* Build up register contents setting unused bits to 1 */
+  memcpy(addr1, copy, len1);
+  r1p1 |= 0xFFFFFFFFFFULL << 24;
+  r2p1 |= ((uint64_t)0xFFFFFFFF) << 32;
+
+  /* Run mvcl again */
+  regs = do_mvcl(r1, r1p1, r2, r2p1);
+  result2 = result_from_regs(regs);
+
+  /* Check unused bits */
+  if ((regs.r1p1 >> 24) != 0xFFFFFFFFFFull)
+    printf("FAIL: r1[0:39] modified (unused bits 1)\n");
+  if ((regs.r2p1 >> 32) != 0xFFFFFFFFu)
+    printf("FAIL: r2[0:31] modified (unused bits 1)\n");
+
+  /* Check pad value */
+  if (result2.pad != pad)
+    printf("FAIL: pad byte modified (unused bits 1)\n");
+
+  /* Compare results */
+  if (result1.addr1 != result2.addr1)
+    printf("FAIL: addr1 result is different\n");
+  if (result1.addr2 != result2.addr2)
+    printf("FAIL: addr2 result is different\n");
+  if (result1.len1 != result2.len1)
+    printf("FAIL: len1 result is different\n");
+  if (result1.len2 != result2.len2)
+    printf("FAIL: len2 result is different\n");
+  if (result1.pad != result2.pad)
+    printf("FAIL: pad result is different\n");
+  if (result1.cc != result2.cc)
+    printf("FAIL: cc result is different\n");
+
+  return result1;
+}
+
+void
+print_buf(const char *prefix, char *buf, uint32_t len)
+{
+  uint32_t i;
+
+  if (len > 0) {
+    printf("%s |", prefix);
+    for (i = 0; i < len; ++i)
+      putchar(buf[i]);
+    printf("|\n");
+  }
+}
+
+void 
+run_test(void *dst, uint32_t dst_len, void *src, uint32_t src_len, uint32_t pad)
+{
+  mvcl_t result;
+
+  result = mvcl(dst, dst_len, src, src_len, pad);
+
+  printf("cc: %"PRIu32", len1: %"PRIu32", len2: %"PRIu32
+         ", addr1 diff: %"PRId64", addr2 diff: %"PRId64"\n", result.cc,
+         result.len1, result.len2, (int64_t)result.addr1 - (int64_t)dst,
+         (int64_t)result.addr2 - (int64_t)src);
+  print_buf("dst buffer:", dst, dst_len);
+}
+
+int main()
+{
+  uint8_t byte, buf[10], small[5], i;
+  uint32_t dst_offset, dst_len, src_offset, src_len;
+
+  /* Test 1: len1 == 0 */
+  printf("--- test 1 ---\n");
+  run_test(NULL, 0, NULL, 0, 0x00);
+  run_test(NULL, 0, NULL, 0, 0xFF);
+  run_test(NULL, 0, NULL, 5, 0x00);
+  run_test(NULL, 0, NULL, 5, 0xFF);
+  run_test(NULL, 0, buf,  sizeof buf, 0x00);
+  run_test(NULL, 0, buf,  sizeof buf, 0xFF);
+
+  /* Test 2: len1 != 0, len2 == 0 */
+  printf("--- test 2 ---\n");
+  run_test(&byte, 1, NULL, 0, 'a');
+  memset(buf, 'x', sizeof buf);
+  run_test(buf, sizeof buf, NULL, 0, 'a');
+
+  /* In the following: len1 != 0, len2 != 0 */
+
+  /* Test 3: src == dst */
+  printf("--- test 3 ---\n");
+  byte = 'x';
+  run_test(&byte, 1, &byte, 1, 'a');
+  memset(buf, 'x', sizeof buf);
+  for (i = 0; i <= sizeof buf; ++i)
+    run_test(buf, i, buf, sizeof buf, 'a');
+
+  /* Test 4: len1 > len2, no buffer overlap */
+  printf("--- test 4 ---\n");
+  memset(buf, 'b', sizeof buf);
+  memset(small, 's', sizeof small);
+  run_test(buf, sizeof buf, small, sizeof small, 'a');
+
+  /* Test 5: len1 < len2, no buffer overlap */
+  printf("--- test 5 ---\n");
+  memset(buf, 'b', sizeof buf);
+  memset(small, 's', sizeof small);
+  run_test(small, sizeof small, buf, sizeof buf, 'a');
+
+  /* Test 6: len1 > len2, non-destructive overlap */
+  printf("--- test 6 ---\n");
+  memcpy(buf, "0123456789", 10);
+  run_test(buf, sizeof buf, buf + 5, 5, 'x');
+
+  /* Test 7: len1 < len2, non-destructive overlap */
+  printf("--- test 7 ---\n");
+  memcpy(buf, "0123456789", 10);
+  run_test(buf, 5, buf + 4, 3, 'x');
+
+  /* Test 8: Misc checks for testing destructive overlap
+     Pad byte unused */
+  printf("--- test 8 ---\n");
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 1, buf, 10, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 2, buf, 10, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 3, buf, 10, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 4, buf, 10, 'x');   // destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 5, buf, 10, 'x');   // destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 6, buf, 10, 'x');   // destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 7, buf, 10, 'x');   // destructive
+
+  /* Test 9: More checks for testing destructive overlap
+     Pad byte used; len2 == 0 */
+  printf("--- test 9 ---\n");
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 1, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 2, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 3, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 4, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 4, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 5, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 6, buf, 0, 'x');   // non-destructive
+  memcpy(buf, "0123456789", 10);
+  run_test(buf + 3, 7, buf, 0, 'x');   // non-destructive
+
+  /* Test 10; what the heck... Just try all combinations. */
+  printf("--- test 9 ---\n");
+  for (dst_offset = 0; dst_offset < sizeof buf; ++dst_offset)
+    for (dst_len = 0; dst_len <= sizeof buf - dst_offset; ++dst_len)
+      for (src_offset = 0; src_offset < sizeof buf; ++src_offset)
+        for (src_len = 0; src_len <= sizeof buf - src_offset; ++src_len)
+          run_test(buf + dst_offset, dst_len, buf + src_offset, src_len, 'x');
+  
+  return 0;
+}
+

diff --git a/none/tests/s390x/mvcl.stderr.exp b/none/tests/s390x/mvcl.stderr.exp
new file mode 100644 (file)
index 0000000..139597f
--- /dev/null
+++ b/none/tests/s390x/mvcl.stderr.exp
@@ -0,0 +1,2 @@
+
+

diff --git a/none/tests/s390x/mvcl.stdout.exp b/none/tests/s390x/mvcl.stdout.exp
new file mode 100644 (file)
index 0000000..69a0ace
--- /dev/null
+++ b/none/tests/s390x/mvcl.stdout.exp
@@ -0,0 +1,7881 @@
+--- test 1 ---
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 10, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 10, addr1 diff: 0, addr2 diff: 0
+--- test 2 ---
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |a|
+cc: 2, len1: 0, len2: 0, addr1 diff: 10, addr2 diff: 0
+dst buffer: |aaaaaaaaaa|
+--- test 3 ---
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 10, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 9, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 8, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 7, addr1 diff: 3, addr2 diff: 3
+dst buffer: |xxx|
+cc: 1, len1: 0, len2: 6, addr1 diff: 4, addr2 diff: 4
+dst buffer: |xxxx|
+cc: 1, len1: 0, len2: 5, addr1 diff: 5, addr2 diff: 5
+dst buffer: |xxxxx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 6, addr2 diff: 6
+dst buffer: |xxxxxx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 7, addr2 diff: 7
+dst buffer: |xxxxxxx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 8, addr2 diff: 8
+dst buffer: |xxxxxxxx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 9, addr2 diff: 9
+dst buffer: |xxxxxxxxx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 10, addr2 diff: 10
+dst buffer: |xxxxxxxxxx|
+--- test 4 ---
+cc: 2, len1: 0, len2: 0, addr1 diff: 10, addr2 diff: 5
+dst buffer: |sssssaaaaa|
+--- test 5 ---
+cc: 1, len1: 0, len2: 5, addr1 diff: 5, addr2 diff: 5
+dst buffer: |bbbbb|
+--- test 6 ---
+cc: 2, len1: 0, len2: 0, addr1 diff: 10, addr2 diff: 5
+dst buffer: |56789xxxxx|
+--- test 7 ---
+cc: 2, len1: 0, len2: 0, addr1 diff: 5, addr2 diff: 3
+dst buffer: |456xx|
+--- test 8 ---
+cc: 1, len1: 0, len2: 9, addr1 diff: 1, addr2 diff: 1
+dst buffer: |0|
+cc: 1, len1: 0, len2: 8, addr1 diff: 2, addr2 diff: 2
+dst buffer: |01|
+cc: 1, len1: 0, len2: 7, addr1 diff: 3, addr2 diff: 3
+dst buffer: |012|
+cc: 3, len1: 4, len2: 10, addr1 diff: 0, addr2 diff: 0
+dst buffer: |3456|
+cc: 3, len1: 5, len2: 10, addr1 diff: 0, addr2 diff: 0
+dst buffer: |34567|
+cc: 3, len1: 6, len2: 10, addr1 diff: 0, addr2 diff: 0
+dst buffer: |345678|
+cc: 3, len1: 7, len2: 10, addr1 diff: 0, addr2 diff: 0
+dst buffer: |3456789|
+--- test 9 ---
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 3, addr2 diff: 0
+dst buffer: |xxx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 4, addr2 diff: 0
+dst buffer: |xxxx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 4, addr2 diff: 0
+dst buffer: |xxxx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 5, addr2 diff: 0
+dst buffer: |xxxxx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 6, addr2 diff: 0
+dst buffer: |xxxxxx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 7, addr2 diff: 0
+dst buffer: |xxxxxxx|
+--- test 9 ---
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 8, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 9, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 10, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 8, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 9, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 8, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 7, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 8, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 9, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 7, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 1, len1: 0, len2: 8, addr1 diff: 1, addr2 diff: 1
+dst buffer: |1|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 1, len1: 0, len2: 7, addr1 diff: 1, addr2 diff: 1
+dst buffer: |2|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 6, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 7, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 8, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |x2|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 1, len1: 0, len2: 6, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 1, len1: 0, len2: 7, addr1 diff: 2, addr2 diff: 2
+dst buffer: |22|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |2x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 2, addr2 diff: 2
+dst buffer: |2x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
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+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 6, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 7, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 8, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 6, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 7, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 6, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 5, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 4, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 3, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 1, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 1, len1: 0, len2: 2, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 3, len1: 2, len2: 2, addr1 diff: 0, addr2 diff: 0
+dst buffer: |xx|
+cc: 3, len1: 2, len2: 3, addr1 diff: 0, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 2
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 0
+dst buffer: |xx|
+cc: 2, len1: 0, len2: 0, addr1 diff: 2, addr2 diff: 1
+dst buffer: |xx|
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 8, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 9, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 10, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 8, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 9, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 8, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 7, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 6, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 5, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 4, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 3, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 2, addr1 diff: 0, addr2 diff: 0
+cc: 0, len1: 0, len2: 0, addr1 diff: 0, addr2 diff: 0
+cc: 1, len1: 0, len2: 1, addr1 diff: 0, addr2 diff: 0
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 7, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 8, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 9, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 7, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 8, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 7, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 6, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 5, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 4, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 3, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 2, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 1, len1: 0, len2: 1, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|
+cc: 2, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 0
+dst buffer: |x|
+cc: 0, len1: 0, len2: 0, addr1 diff: 1, addr2 diff: 1
+dst buffer: |x|

diff --git a/none/tests/s390x/mvcl.vgtest b/none/tests/s390x/mvcl.vgtest
new file mode 100644 (file)
index 0000000..6ede5bc
--- /dev/null
+++ b/none/tests/s390x/mvcl.vgtest
@@ -0,0 +1 @@
+prog: mvcl