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Benchtests: Remove simple_strcpy_chk

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Remove the slow byte oriented simple_strcpy_chk and simple_stpcpy_chk.
Adjust iteration count to increase benchmark time.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Wilco Dijkstra 2023-03-03 12:44:46 +00:00
parent d1c3c0e4fe
commit 73a284f618
2 changed files with 1 additions and 27 deletions
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13
benchtests/bench-stpcpy_chk.c
View file

@ -22,24 +22,11 @@
#include "bench-string.h" #include "bench-string.h"
extern void __attribute__ ((noreturn)) __chk_fail (void); extern void __attribute__ ((noreturn)) __chk_fail (void);
char *simple_stpcpy_chk (char *, const char *, size_t);
extern char *normal_stpcpy (char *, const char *, size_t) extern char *normal_stpcpy (char *, const char *, size_t)
__asm ("stpcpy"); __asm ("stpcpy");
extern char *__stpcpy_chk (char *, const char *, size_t); extern char *__stpcpy_chk (char *, const char *, size_t);
IMPL (simple_stpcpy_chk, 0)
IMPL (normal_stpcpy, 1) IMPL (normal_stpcpy, 1)
IMPL (__stpcpy_chk, 2) IMPL (__stpcpy_chk, 2)
char *
simple_stpcpy_chk (char *dst, const char *src, size_t len)
{
if (! len)
__chk_fail ();
while ((*dst++ = *src++) != '\0')
if (--len == 0)
__chk_fail ();
return dst - 1;
}
#include "bench-strcpy_chk.c" #include "bench-strcpy_chk.c"

15
benchtests/bench-strcpy_chk.c
View file

@ -26,26 +26,13 @@
symbol, which is part of the public ABI and may be used symbol, which is part of the public ABI and may be used
externally. */ externally. */
extern void __attribute__ ((noreturn)) __chk_fail (void); extern void __attribute__ ((noreturn)) __chk_fail (void);
char *simple_strcpy_chk (char *, const char *, size_t);
extern char *normal_strcpy (char *, const char *, size_t) extern char *normal_strcpy (char *, const char *, size_t)
__asm ("strcpy"); __asm ("strcpy");
extern char *__strcpy_chk (char *, const char *, size_t); extern char *__strcpy_chk (char *, const char *, size_t);
IMPL (simple_strcpy_chk, 0)
IMPL (normal_strcpy, 1) IMPL (normal_strcpy, 1)
IMPL (__strcpy_chk, 2) IMPL (__strcpy_chk, 2)
char *
simple_strcpy_chk (char *dst, const char *src, size_t len)
{
char *ret = dst;
if (! len)
__chk_fail ();
while ((*dst++ = *src++) != '\0')
if (--len == 0)
__chk_fail ();
return ret;
}
#endif #endif
#include <fcntl.h> #include <fcntl.h>
@ -77,7 +64,7 @@ do_one_test (impl_t *impl, char *dst, const char *src,
size_t len, size_t dlen) size_t len, size_t dlen)
{ {
char *res; char *res;
size_t i, iters = INNER_LOOP_ITERS8; size_t i, iters = INNER_LOOP_ITERS_LARGE;
timing_t start, stop, cur; timing_t start, stop, cur;
if (dlen <= len) if (dlen <= len)