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/*
* Copyright (C) 2004 Michael H. Schimek
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: memcpy.c,v 1.5 2005/06/28 01:09:44 mschimek Exp $ */
#undef NDEBUG
#include <inttypes.h>
#include <string.h>
#include "libtv/image_format.h"
#include "libtv/cpu.h"
#include "guard.h"
static uint8_t * sbuffer;
static uint8_t * sbuffer_end;
static uint8_t * dbuffer;
static uint8_t * dbuffer_end;
static void
test1 (uint8_t * dst,
uint8_t * src,
unsigned int n_bytes)
{
unsigned int i;
unsigned int size;
uint8_t *p;
memset (dbuffer, 0xAA, dbuffer_end - dbuffer);
size = sbuffer_end - sbuffer;
for (i = 0; i < size; ++i)
sbuffer[i] = i;
tv_memcpy (dst, src, n_bytes);
for (p = dbuffer; p < dst;)
assert (0xAA == *p++);
for (i = 0; i < n_bytes; ++i)
assert (*p++ == *src++);
while (p < dbuffer_end)
assert (0xAA == *p++);
}
int
main (int argc,
char ** argv)
{
unsigned int buffer_size;
unsigned int i;
buffer_size = 64 << 10;
sbuffer = guard_alloc (buffer_size);
sbuffer_end = sbuffer + buffer_size;
dbuffer = guard_alloc (buffer_size);
dbuffer_end = dbuffer + buffer_size;
/* Use generic version. */
cpu_features = (cpu_feature_set) 0;
if (argc > 1) {
/* Use optimized version, if available. */
cpu_features = cpu_feature_set_from_string (argv[1]);
}
for (i = 0; i < 33; ++i) {
test1 (dbuffer, sbuffer, i);
test1 (dbuffer, sbuffer, i + 16384);
test1 (dbuffer_end - i, sbuffer_end - i, i);
test1 (dbuffer_end - i - 16384,
sbuffer_end - i - 16384, i + 16384);
test1 (dbuffer + i, sbuffer + (i ^ 31), i * 3);
}
return EXIT_SUCCESS;
}
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