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authorDamjan Marion <damarion@cisco.com>2016-11-24 01:28:45 +0100
committerOle Trøan <otroan@employees.org>2016-11-24 11:05:42 +0000
commita5e7c29d41e1caa52047fbdc37b5fd384650c0eb (patch)
tree11258470d495e59a467d72c8a301c19dd9a7530b
parentece983dd45f54ad059a619408f4cf0d11e2e8988 (diff)
vlib: remove old memcpy implementation
Change-Id: I21f5abb00cf12da5c144da477badc38736be7a7d Signed-off-by: Damjan Marion <damarion@cisco.com>
-rw-r--r--vlib/vlib/buffer.c64
1 files changed, 1 insertions, 63 deletions
diff --git a/vlib/vlib/buffer.c b/vlib/vlib/buffer.c
index 9516514a..4bf6d125 100644
--- a/vlib/vlib/buffer.c
+++ b/vlib/vlib/buffer.c
@@ -359,69 +359,7 @@ vlib_buffer_validate_alloc_free (vlib_main_t * vm,
is_free ? VLIB_BUFFER_KNOWN_FREE : VLIB_BUFFER_KNOWN_ALLOCATED);
}
}
-
#endif
-/* Aligned copy routine. */
-void
-vlib_aligned_memcpy (void *_dst, void *_src, int n_bytes)
-{
- vlib_copy_unit_t *dst = _dst;
- vlib_copy_unit_t *src = _src;
-
- /* Arguments must be naturally aligned. */
- ASSERT (pointer_to_uword (dst) % sizeof (dst[0]) == 0);
- ASSERT (pointer_to_uword (src) % sizeof (src[0]) == 0);
- ASSERT (n_bytes % sizeof (dst[0]) == 0);
-
- if (4 * sizeof (dst[0]) == CLIB_CACHE_LINE_BYTES)
- {
- CLIB_PREFETCH (dst + 0, 4 * sizeof (dst[0]), WRITE);
- CLIB_PREFETCH (src + 0, 4 * sizeof (src[0]), READ);
-
- while (n_bytes >= 4 * sizeof (dst[0]))
- {
- dst += 4;
- src += 4;
- n_bytes -= 4 * sizeof (dst[0]);
- CLIB_PREFETCH (dst, 4 * sizeof (dst[0]), WRITE);
- CLIB_PREFETCH (src, 4 * sizeof (src[0]), READ);
- dst[-4] = src[-4];
- dst[-3] = src[-3];
- dst[-2] = src[-2];
- dst[-1] = src[-1];
- }
- }
- else if (8 * sizeof (dst[0]) == CLIB_CACHE_LINE_BYTES)
- {
- CLIB_PREFETCH (dst + 0, 8 * sizeof (dst[0]), WRITE);
- CLIB_PREFETCH (src + 0, 8 * sizeof (src[0]), READ);
-
- while (n_bytes >= 8 * sizeof (dst[0]))
- {
- dst += 8;
- src += 8;
- n_bytes -= 8 * sizeof (dst[0]);
- CLIB_PREFETCH (dst, 8 * sizeof (dst[0]), WRITE);
- CLIB_PREFETCH (src, 8 * sizeof (src[0]), READ);
- dst[-8] = src[-8];
- dst[-7] = src[-7];
- dst[-6] = src[-6];
- dst[-5] = src[-5];
- dst[-4] = src[-4];
- dst[-3] = src[-3];
- dst[-2] = src[-2];
- dst[-1] = src[-1];
- }
- }
- else
- /* Cache line size unknown: fall back to slow version. */ ;
-
- while (n_bytes > 0)
- {
- *dst++ = *src++;
- n_bytes -= 1 * sizeof (dst[0]);
- }
-}
#define BUFFERS_PER_COPY (sizeof (vlib_copy_unit_t) / sizeof (u32))
@@ -495,7 +433,7 @@ merge_free_lists (vlib_buffer_free_list_t * dst,
{
vec_add2_aligned (dst->aligned_buffers, d, l,
/* align */ sizeof (vlib_copy_unit_t));
- vlib_aligned_memcpy (d, src->aligned_buffers, l * sizeof (d[0]));
+ clib_memcpy (d, src->aligned_buffers, l * sizeof (d[0]));
vec_free (src->aligned_buffers);
}