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authorH.J. Lu <hjl.tools@gmail.com>2012-10-11 13:58:16 -0700
committerH.J. Lu <hjl.tools@gmail.com>2012-10-11 13:58:16 -0700
commit9a387d1f787f764474943294024b02258f14e80a (patch)
tree3159228b99a2195dd1347a673a08efefce787ad3 /string/test-memset.c
parent54a417345edca0015e70e8b360b7f83ade5a7507 (diff)
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Use IFUNC memmove/memset in x86-64 bcopy/bzero
Also add separate tests for bcopy and bzero.
Diffstat (limited to 'string/test-memset.c')
-rw-r--r--string/test-memset.c63
1 files changed, 52 insertions, 11 deletions
diff --git a/string/test-memset.c b/string/test-memset.c
index 839b8a1..e8dd406 100644
--- a/string/test-memset.c
+++ b/string/test-memset.c
@@ -1,5 +1,5 @@
/* Test and measure memset functions.
- Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1999-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
@@ -21,8 +21,30 @@
#define MIN_PAGE_SIZE 131072
#include "test-string.h"
-typedef char *(*proto_t) (char *, int, size_t);
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);
char *builtin_memset (char *, int, size_t);
IMPL (simple_memset, 0)
@@ -30,6 +52,13 @@ IMPL (builtin_memset, 0)
IMPL (memset, 1)
char *
+builtin_memset (char *s, int c, size_t n)
+{
+ return __builtin_memset (s, c, n);
+}
+#endif
+
+char *
simple_memset (char *s, int c, size_t n)
{
char *r = s, *end = s + n;
@@ -38,20 +67,20 @@ simple_memset (char *s, int c, size_t n)
return s;
}
-char *
-builtin_memset (char *s, int c, size_t n)
-{
- return __builtin_memset (s, c, n);
-}
-
static void
-do_one_test (impl_t *impl, char *s, int c, size_t n)
+do_one_test (impl_t *impl, char *s, int c __attribute ((unused)), size_t n)
{
- char *res = CALL (impl, s, c, n);
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
{
error (0, 0, "Wrong result in function %s", impl->name);
ret = 1;
@@ -68,7 +97,12 @@ do_one_test (impl_t *impl, char *s, int c, size_t n)
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
+#ifdef TEST_BZERO
+ CALL (impl, s, n);
+#else
CALL (impl, s, c, n);
+#endif
+
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
@@ -94,6 +128,7 @@ do_test (size_t align, int c, size_t len)
putchar ('\n');
}
+#ifndef TEST_BZERO
static void
do_random_tests (void)
{
@@ -178,12 +213,13 @@ do_random_tests (void)
}
}
}
+#endif
int
test_main (void)
{
size_t i;
- int c;
+ int c = 0;
test_init ();
@@ -192,7 +228,9 @@ test_main (void)
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);
@@ -208,7 +246,10 @@ test_main (void)
do_test (2, c, 25);
}
+#ifndef TEST_BZERO
do_random_tests ();
+#endif
+
return ret;
}