[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/benchtests/bench-strncat.c b/ap/libc/glibc/glibc-2.22/benchtests/bench-strncat.c
new file mode 100644
index 0000000..85a3135
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/benchtests/bench-strncat.c
@@ -0,0 +1,162 @@
+/* Measure strncat functions.
+ Copyright (C) 2013-2015 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
+#define TEST_NAME "strncat"
+#include "bench-string.h"
+
+typedef char *(*proto_t) (char *, const char *, size_t);
+char *stupid_strncat (char *, const char *, size_t);
+char *simple_strncat (char *, const char *, size_t);
+
+IMPL (stupid_strncat, 0)
+IMPL (strncat, 2)
+
+char *
+stupid_strncat (char *dst, const char *src, size_t n)
+{
+ char *ret = dst;
+ while (*dst++ != '\0');
+ --dst;
+ while (n--)
+ if ( (*dst++ = *src++) == '\0')
+ return ret;
+ *dst = '\0';
+ return ret;
+}
+
+static void
+do_one_test (impl_t *impl, char *dst, const char *src, size_t n)
+{
+ size_t k = strlen (dst), i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ if (CALL (impl, dst, src, n) != dst)
+ {
+ error (0, 0, "Wrong result in function %s %p != %p", impl->name,
+ CALL (impl, dst, src, n), dst);
+ ret = 1;
+ return;
+ }
+
+ size_t len = strlen (src);
+ if (memcmp (dst + k, src, len + 1 > n ? n : len + 1) != 0)
+ {
+ error (0, 0, "Incorrect cancatination in function %s",
+ impl->name);
+ ret = 1;
+ return;
+ }
+ if (n < len && dst[k + n] != '\0')
+ {
+ error (0, 0, "There is no zero in the end of output string in %s",
+ impl->name);
+ ret = 1;
+ return;
+ }
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
+ {
+ dst[k] = '\0';
+ CALL (impl, dst, src, n);
+ }
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len1, size_t len2,
+ size_t n, int max_char)
+{
+ size_t i;
+ char *s1, *s2;
+
+ align1 &= 7;
+ if (align1 + len1 >= page_size)
+ return;
+ if (align1 + n > page_size)
+ return;
+ align2 &= 7;
+ if (align2 + len1 + len2 >= page_size)
+ return;
+ if (align2 + len1 + n > page_size)
+ return;
+ s1 = (char *) (buf1 + align1);
+ s2 = (char *) (buf2 + align2);
+
+ for (i = 0; i < len1; ++i)
+ s1[i] = 32 + 23 * i % (max_char - 32);
+ s1[len1] = '\0';
+
+ for (i = 0; i < len2; i++)
+ s2[i] = 32 + 23 * i % (max_char - 32);
+
+ printf ("Length %4zd/%4zd, alignment %2zd/%2zd, N %4zd:",
+ len1, len2, align1, align2, n);
+
+ FOR_EACH_IMPL (impl, 0)
+ {
+ s2[len2] = '\0';
+ do_one_test (impl, s2, s1, n);
+ }
+
+ putchar ('\n');
+}
+
+int
+main (void)
+{
+ size_t i, n;
+
+ test_init ();
+
+ printf ("%28s", "");
+ FOR_EACH_IMPL (impl, 0)
+ printf ("\t%s", impl->name);
+ putchar ('\n');
+
+ for (n = 2; n <= 2048; n*=4)
+ {
+ do_test (0, 2, 2, 2, n, 127);
+ do_test (0, 0, 4, 4, n, 127);
+ do_test (4, 0, 4, 4, n, 255);
+ do_test (0, 0, 8, 8, n, 127);
+ do_test (0, 8, 8, 8, n, 127);
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (0, 0, 8 << i, 8 << i, n, 127);
+ do_test (8 - i, 2 * i, 8 << i, 8 << i, n, 127);
+ do_test (0, 0, 8 << i, 2 << i, n, 127);
+ do_test (8 - i, 2 * i, 8 << i, 2 << i, n, 127);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (i, 2 * i, 8 << i, 1, n, 127);
+ do_test (2 * i, i, 8 << i, 1, n, 255);
+ do_test (i, i, 8 << i, 10, n, 127);
+ }
+ }
+
+ return ret;
+}