From e029e2e5c5448e9b32cc2f26c89968b61e0baa6c Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Thu, 29 Aug 2013 15:38:51 -0300 Subject: benchtests: Add memrchr benchmark --- benchtests/bench-memrchr.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 benchtests/bench-memrchr.c (limited to 'benchtests/bench-memrchr.c') diff --git a/benchtests/bench-memrchr.c b/benchtests/bench-memrchr.c new file mode 100644 index 0000000000..96a597f22e --- /dev/null +++ b/benchtests/bench-memrchr.c @@ -0,0 +1,40 @@ +/* Measure memrchr functions. + Copyright (C) 2013 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 + . */ + +#define TEST_MAIN +#define TEST_NAME "memrchr" +#include "bench-string.h" + +typedef char *(*proto_t) (const char *, int, size_t); +char *simple_memrchr (const char *, int, size_t); + +IMPL (simple_memrchr, 0) +IMPL (memrchr, 1) + +char * +simple_memrchr (const char *s, int c, size_t n) +{ + s = s + n; + while (n--) + if (*--s == (char) c) + return (char *) s; + return NULL; +} + +#define USE_AS_MEMRCHR +#include "bench-memchr.c" -- cgit 1.4.1