1 files changed, 103 insertions, 0 deletions
diff --git a/string/test-memcpy-large.c b/string/test-memcpy-large.c
new file mode 100644
index 0000000..4c4724f
--- /dev/null
+++ b/string/test-memcpy-large.c
@@ -0,0 +1,103 @@
+/* Test and measure memcpy functions.
+   Copyright (C) 1999-2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* test-memcpy-support.h contains all test functions.  */
+#include "test-memcpy-support.h"
+
+static void
+do_random_large_tests (void)
+{
+  size_t i, align1, align2, size;
+  for (i = 0; i < 32; ++i)
+    {
+      align1 = random ();
+      align2 = random ();
+      size = (random () % 0x1000000) + 0x200000;
+      do_test1 (align1, align2, size);
+    }
+
+  for (i = 0; i < 128; ++i)
+    {
+      align1 = random ();
+      align2 = random ();
+      size = (random () % 32768) + 4096;
+      do_test1 (align1, align2, size);
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i, j;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+  printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  do_test (0, 0, getpagesize () - 1);
+
+  for (i = 0x200000; i <= 0x2000000; i += i)
+    {
+      for (j = 64; j <= 1024; j <<= 1)
+        {
+          do_test1 (0, j, i);
+          do_test1 (4095, j, i);
+          do_test1 (4096 - j, 0, i);
+
+          do_test1 (0, j - 1, i);
+          do_test1 (4095, j - 1, i);
+          do_test1 (4096 - j - 1, 0, i);
+
+          do_test1 (0, j + 1, i);
+          do_test1 (4095, j + 1, i);
+          do_test1 (4096 - j, 1, i);
+
+          do_test1 (0, j, i + 1);
+          do_test1 (4095, j, i + 1);
+          do_test1 (4096 - j, 0, i + 1);
+
+          do_test1 (0, j - 1, i + 1);
+          do_test1 (4095, j - 1, i + 1);
+          do_test1 (4096 - j - 1, 0, i + 1);
+
+          do_test1 (0, j + 1, i + 1);
+          do_test1 (4095, j + 1, i + 1);
+          do_test1 (4096 - j, 1, i + 1);
+
+          do_test1 (0, j, i - 1);
+          do_test1 (4095, j, i - 1);
+          do_test1 (4096 - j, 0, i - 1);
+
+          do_test1 (0, j - 1, i - 1);
+          do_test1 (4095, j - 1, i - 1);
+          do_test1 (4096 - j - 1, 0, i - 1);
+
+          do_test1 (0, j + 1, i - 1);
+          do_test1 (4095, j + 1, i - 1);
+          do_test1 (4096 - j, 1, i - 1);
+        }
+    }
+
+  do_random_large_tests ();
+  return ret;
+}
+
+#include <support/test-driver.c>