[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/benchtests/bench-memset.c b/ap/libc/glibc/glibc-2.23/benchtests/bench-memset.c
new file mode 100644
index 0000000..6d3218a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/benchtests/bench-memset.c
@@ -0,0 +1,188 @@
+/* Measure memset functions.
+ Copyright (C) 2013-2016 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
+ <http://www.gnu.org/licenses/>. */
+
+#define TEST_MAIN
+#ifdef TEST_BZERO
+# define TEST_NAME "bzero"
+#else
+# ifndef WIDE
+# define TEST_NAME "memset"
+# else
+# define TEST_NAME "wmemset"
+# endif /* WIDE */
+#endif /* !TEST_BZERO */
+#define MIN_PAGE_SIZE 131072
+#include "bench-string.h"
+
+#ifndef WIDE
+# define MEMSET memset
+# define CHAR char
+# define SIMPLE_MEMSET simple_memset
+# define MEMCMP memcmp
+#else
+# include <wchar.h>
+# define MEMSET wmemset
+# define CHAR wchar_t
+# define SIMPLE_MEMSET simple_wmemset
+# define MEMCMP wmemcmp
+#endif /* WIDE */
+
+CHAR *SIMPLE_MEMSET (CHAR *, int, size_t);
+
+#ifdef TEST_BZERO
+typedef void (*proto_t) (char *, size_t);
+void simple_bzero (char *, size_t);
+void builtin_bzero (char *, size_t);
+
+IMPL (simple_bzero, 0)
+IMPL (builtin_bzero, 0)
+IMPL (bzero, 1)
+
+void
+simple_bzero (char *s, size_t n)
+{
+ SIMPLE_MEMSET (s, 0, n);
+}
+
+void
+builtin_bzero (char *s, size_t n)
+{
+ __builtin_bzero (s, n);
+}
+#else
+typedef CHAR *(*proto_t) (CHAR *, int, size_t);
+
+IMPL (SIMPLE_MEMSET, 0)
+# ifndef WIDE
+char *builtin_memset (char *, int, size_t);
+IMPL (builtin_memset, 0)
+# endif /* !WIDE */
+IMPL (MEMSET, 1)
+
+# ifndef WIDE
+char *
+builtin_memset (char *s, int c, size_t n)
+{
+ return __builtin_memset (s, c, n);
+}
+# endif /* !WIDE */
+#endif /* !TEST_BZERO */
+
+CHAR *
+inhibit_loop_to_libcall
+SIMPLE_MEMSET (CHAR *s, int c, size_t n)
+{
+ CHAR *r = s, *end = s + n;
+ while (r < end)
+ *r++ = c;
+ return s;
+}
+
+static void
+do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n)
+{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+ CHAR tstbuf[n];
+#ifdef TEST_BZERO
+ simple_bzero (tstbuf, n);
+ CALL (impl, s, n);
+ if (memcmp (s, tstbuf, n) != 0)
+#else
+ CHAR *res = CALL (impl, s, c, n);
+ if (res != s
+ || SIMPLE_MEMSET (tstbuf, c, n) != tstbuf
+ || MEMCMP (s, tstbuf, n) != 0)
+#endif /* !TEST_BZERO */
+ {
+ error (0, 0, "Wrong result in function %s", impl->name);
+ ret = 1;
+ return;
+ }
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
+ {
+#ifdef TEST_BZERO
+ CALL (impl, s, n);
+#else
+ CALL (impl, s, c, n);
+#endif /* !TEST_BZERO */
+ }
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
+}
+
+static void
+do_test (size_t align, int c, size_t len)
+{
+ align &= 7;
+ if ((align + len) * sizeof (CHAR) > page_size)
+ return;
+
+ printf ("Length %4zd, alignment %2zd, c %2d:", len, align, c);
+
+ FOR_EACH_IMPL (impl, 0)
+ do_one_test (impl, (CHAR *) (buf1) + align, c, len);
+
+ putchar ('\n');
+}
+
+int
+test_main (void)
+{
+ size_t i;
+ int c = 0;
+
+ test_init ();
+
+ printf ("%24s", "");
+ FOR_EACH_IMPL (impl, 0)
+ printf ("\t%s", impl->name);
+ putchar ('\n');
+
+#ifndef TEST_BZERO
+ for (c = -65; c <= 130; c += 65)
+#endif
+ {
+ for (i = 0; i < 18; ++i)
+ do_test (0, c, 1 << i);
+ for (i = 1; i < 32; ++i)
+ {
+ do_test (i, c, i);
+ if (i & (i - 1))
+ do_test (0, c, i);
+ }
+ for (i = 32; i < 512; i+=32)
+ {
+ do_test (0, c, i);
+ do_test (i, c, i);
+ }
+ do_test (1, c, 14);
+ do_test (3, c, 1024);
+ do_test (4, c, 64);
+ do_test (2, c, 25);
+ }
+
+ return ret;
+}
+
+#include "../test-skeleton.c"