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authorWilco Dijkstra <wdijkstr@arm.com>2019-08-29 15:45:49 +0100
committerWilco Dijkstra <wdijkstr@arm.com>2019-08-30 17:21:35 +0100
commit3c05dd79d04da765b1ec93ea97474b3b8d9e0af3 (patch)
tree7765a34bee154154bcd8e48d934ec661cfbab7a9 /benchtests/bench-memmove.c
parent9743c6272df3d4f4c37cc98e68fab83bf3f57efb (diff)
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Use generic memset/memcpy/memmove in benchtests
Use the generic C memset/memcpy/memmove in benchtests since comparing
against a slow byte-oriented implementation makes no sense.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

2019-08-29  Wilco Dijkstra  <wdijkstr@arm.com>

	* benchtests/bench-memcpy.c (simple_memcpy): Remove.
	(generic_memcpy): Include generic C memcpy.
	* benchtests/bench-memmove.c (simple_memmove): Remove.
	(generic_memmove): Include generic C memmove.
	* benchtests/bench-memset.c (simple_memset): Remove.
	(generic_memset): Include generic C memset.
	* benchtests/bench-memset-large.c (simple_memset): Remove.
	(generic_memset): Include generic C memset.
	* benchtests/bench-memset-walk.c (simple_memset): Remove.
	(generic_memset): Include generic C memset.
	* string/memcpy.c (MEMCPY): Add defines to enable redirection.
	* string/memset.c (MEMSET): Likewise.
	* sysdeps/x86_64/memcopy.h: Remove empty file.
Diffstat (limited to 'benchtests/bench-memmove.c')
-rw-r--r--benchtests/bench-memmove.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/benchtests/bench-memmove.c b/benchtests/bench-memmove.c
index a4d5ecd638..9804e718b9 100644
--- a/benchtests/bench-memmove.c
+++ b/benchtests/bench-memmove.c
@@ -21,30 +21,12 @@
 #include "bench-string.h"
 #include "json-lib.h"
 
-char *simple_memmove (char *, const char *, size_t);
+void *generic_memmove (void *, const void *, size_t);
 
-typedef char *(*proto_t) (char *, const char *, size_t);
+typedef void *(*proto_t) (void *, const void *, size_t);
 
 IMPL (memmove, 1)
-IMPL (simple_memmove, 0)
-
-char *
-inhibit_loop_to_libcall
-simple_memmove (char *dst, const char *src, size_t n)
-{
-  char *ret = dst;
-  if (src < dst)
-    {
-      dst += n;
-      src += n;
-      while (n--)
-	*--dst = *--src;
-    }
-  else
-    while (n--)
-      *dst++ = *src++;
-  return ret;
-}
+IMPL (generic_memmove, 0)
 
 static void
 do_one_test (json_ctx_t *json_ctx, impl_t *impl, char *dst, char *src,
@@ -165,3 +147,9 @@ test_main (void)
 }
 
 #include <support/test-driver.c>
+
+#define libc_hidden_builtin_def(X)
+#undef MEMMOVE
+#define MEMMOVE generic_memmove
+#include <string/memmove.c>
+#include <string/wordcopy.c>