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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-08-29 15:38:51 -0300
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-09-06 09:24:52 -0300
commite029e2e5c5448e9b32cc2f26c89968b61e0baa6c (patch)
tree4298cfeffa2c0c03a2550f3c4b30b21b7bcb00c1 /benchtests
parentbbf6e8e4f416ebb84b22b613752adb7cbc0d82df (diff)
downloadglibc-e029e2e5c5448e9b32cc2f26c89968b61e0baa6c.tar.gz
benchtests: Add memrchr benchmark
Diffstat (limited to 'benchtests')
-rw-r--r--benchtests/Makefile2
-rw-r--r--benchtests/bench-memchr.c8
-rw-r--r--benchtests/bench-memrchr-ifunc.c20
-rw-r--r--benchtests/bench-memrchr.c40
4 files changed, 66 insertions, 4 deletions
diff --git a/benchtests/Makefile b/benchtests/Makefile
index 6037e5c4ff..9cb4ff9006 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -28,7 +28,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
strcat strchr strchrnul strcmp strcpy strcspn strlen \
strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
- strspn strstr strcpy_chk stpcpy_chk
+ strspn strstr strcpy_chk stpcpy_chk memrchr
string-bench-ifunc := $(addsuffix -ifunc, $(string-bench))
string-bench-all := $(string-bench) $(string-bench-ifunc)
diff --git a/benchtests/bench-memchr.c b/benchtests/bench-memchr.c
index db099ad543..30c472c131 100644
--- a/benchtests/bench-memchr.c
+++ b/benchtests/bench-memchr.c
@@ -16,9 +16,10 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define TEST_MAIN
-#define TEST_NAME "memchr"
-#include "bench-string.h"
+#ifndef USE_AS_MEMRCHR
+# define TEST_MAIN
+# define TEST_NAME "memchr"
+# include "bench-string.h"
typedef char *(*proto_t) (const char *, int, size_t);
char *simple_memchr (const char *, int, size_t);
@@ -34,6 +35,7 @@ simple_memchr (const char *s, int c, size_t n)
return (char *) s - 1;
return NULL;
}
+#endif
static void
do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res)
diff --git a/benchtests/bench-memrchr-ifunc.c b/benchtests/bench-memrchr-ifunc.c
new file mode 100644
index 0000000000..fff8f018d9
--- /dev/null
+++ b/benchtests/bench-memrchr-ifunc.c
@@ -0,0 +1,20 @@
+/* Measure IFUNC implementations of memrchr function.
+ 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
+ <http://www.gnu.org/licenses/>. */
+
+#define TEST_IFUNC 1
+#include "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
+ <http://www.gnu.org/licenses/>. */
+
+#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"