From 158dd0ff70a06c65449a0d61d78a65877f15d112 Mon Sep 17 00:00:00 2001
From: Christophe Lyon <christophe.lyon@linaro.org>
Date: Tue, 18 Apr 2017 19:55:13 +0000
Subject: bug-2684: New test.

Change-Id: I70fac8f96a7c4d78572229578ac3c441c01509fb
---
 bug-2684/Makefile     |  1 +
 bug-2684/bug-2684.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++
 bug-2684/build.sh     | 10 +++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 bug-2684/Makefile
 create mode 100644 bug-2684/bug-2684.cpp
 create mode 100755 bug-2684/build.sh

diff --git a/bug-2684/Makefile b/bug-2684/Makefile
new file mode 100644
index 0000000..23f8a8f
--- /dev/null
+++ b/bug-2684/Makefile
@@ -0,0 +1 @@
+include ../common.mk
diff --git a/bug-2684/bug-2684.cpp b/bug-2684/bug-2684.cpp
new file mode 100644
index 0000000..f1da22d
--- /dev/null
+++ b/bug-2684/bug-2684.cpp
@@ -0,0 +1,62 @@
+#define FUNC_MACRO (sizeof(unsigned long) - 1)
+
+void FUNC(void* d, void const* s, unsigned long n)
+{
+  const unsigned long *ass = (const unsigned long *)s;
+  unsigned long* adt = (unsigned long*)d;
+  const unsigned char* ss = (const unsigned char*)s;
+  unsigned char* dt = (unsigned char*)d;
+  unsigned long i = 0;
+
+  if (n >= 16)
+  {
+    if (((((unsigned long)ss) & FUNC_MACRO) == 0) && ((((unsigned long)dt) & FUNC_MACRO) == 0))
+    {
+      unsigned long asize = n / sizeof(unsigned long);
+      unsigned long rem = n & FUNC_MACRO;
+      for (i = 0; i < (asize - 3); i += 4)
+      {
+        adt[i] = ass[i];
+        adt[i+1] = ass[i+1];
+        adt[i+2] = ass[i+2];
+        adt[i+3] = ass[i+3];
+      }
+
+      while (i < asize)
+      {
+        adt[i] = ass[i];
+        ++i;
+      }
+      i = n - rem;
+    }
+    else
+    {
+      for (i = 0 ; (i + 15) < n; i += 16)
+      {
+        dt[i] = ss[i];
+        dt[i+1] = ss[i+1];
+        dt[i+2] = ss[i+2];
+        dt[i+3] = ss[i+3];
+        dt[i+4] = ss[i+4];
+        dt[i+5] = ss[i+5];
+        dt[i+6] = ss[i+6];
+        dt[i+7] = ss[i+7];
+        dt[i+8] = ss[i+8];
+        dt[i+9] = ss[i+9];
+        dt[i+10] = ss[i+10];
+        dt[i+11] = ss[i+11];
+        dt[i+12] = ss[i+12];
+        dt[i+13] = ss[i+13];
+        dt[i+14] = ss[i+14];
+        dt[i+15] = ss[i+15];
+      }
+    }
+
+  }
+  while (i < n)
+  {
+    dt[i] = ss[i];
+    ++i;
+  }
+}
+
diff --git a/bug-2684/build.sh b/bug-2684/build.sh
new file mode 100755
index 0000000..d5a9e58
--- /dev/null
+++ b/bug-2684/build.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+CXXFLAGS="-DPTPD_PTIMERS -DPTPD_UNICAST_MAX=128 -c -g3 -funwind-tables -O2 -fmessage-length=0 -fno-strict-aliasing -Wall  -D_C99 -D_HAS_C9X"
+
+echo "$(basename $(pwd)): FAIL" > result.txt
+set -x
+${CXX} -c -o /dev/null ${CXXFLAGS} bug-2684.cpp
+set +x
+echo "$(basename $(pwd)): PASS" > result.txt
-- 
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