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| author | Denis Vlasenko | 2008-12-08 22:56:18 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2008-12-08 22:56:18 +0000 |
| commit | efb545b9bdd3934dcdbf9bc0890a42081b330049 (patch) | |
| tree | 4dc9212e49a5dae9890bd324bcc9bf4941e2321d /networking/udhcp/options.c | |
| parent | d1a84a2880073f6cc5e2f9f4e5f236cd110f01a0 (diff) | |
| download | busybox-efb545b9bdd3934dcdbf9bc0890a42081b330049.zip busybox-efb545b9bdd3934dcdbf9bc0890a42081b330049.tar.gz | |
optimize 16- and 32-bit moves
function old new delta
udhcpd_main 1239 1257 +18
udhcp_add_simple_option 93 92 -1
buffer_read_le_u32 19 18 -1
unpack_gz_stream_with_info 526 520 -6
dnsd_main 1470 1463 -7
udhcp_run_script 1208 1186 -22
send_ACK 255 229 -26
arping_main 1661 1623 -38
send_offer 470 428 -42
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 18/-143) Total: -125 bytes
Diffstat (limited to 'networking/udhcp/options.c')
| -rw-r--r-- | networking/udhcp/options.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/networking/udhcp/options.c b/networking/udhcp/options.c index 2c27e70..581a7b6 100644 --- a/networking/udhcp/options.c +++ b/networking/udhcp/options.c @@ -224,9 +224,8 @@ int FAST_FUNC add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data) option[OPT_LEN] = len; if (BB_BIG_ENDIAN) data <<= 8 * (4 - len); - /* This memcpy is for processors which can't - * handle a simple unaligned 32-bit assignment */ - memcpy(&option[OPT_DATA], &data, 4); + /* Assignment is unaligned! */ + move_to_unaligned32(&option[OPT_DATA], data); return add_option_string(optionptr, option); } } |