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decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly

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text	   data	    bss	    dec	    hex	filename
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1021236	    559	   5052	1026847	  fab1f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-11-30 13:03:03 +01:00
parent 2fba2f5bb9
commit 965b795b87
51 changed files with 92 additions and 96 deletions
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22
libbb/hash_md5_sha.c
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@ -111,7 +111,7 @@ static void FAST_FUNC md5_process_block64(md5_ctx_t *ctx)
They are defined in RFC 1321 as
T[i] = (int)(2^32 * fabs(sin(i))), i=1..64
*/
static const uint32_t C_array[] = {
static const uint32_t C_array[] ALIGN4 = {
/* round 1 */
0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
@ -492,7 +492,7 @@ unsigned FAST_FUNC md5_end(md5_ctx_t *ctx, void *resbuf)
static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx)
{
static const uint32_t rconsts[] = {
static const uint32_t rconsts[] ALIGN4 = {
0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6
};
int i, j;
@ -567,7 +567,7 @@ typedef uint64_t sha_K_int;
typedef uint32_t sha_K_int;
# define K(v) (uint32_t)(v >> 32)
#endif
static const sha_K_int sha_K[] = {
static const sha_K_int sha_K[] ALIGN8 = {
K(0x428a2f98d728ae22ULL), K(0x7137449123ef65cdULL),
K(0xb5c0fbcfec4d3b2fULL), K(0xe9b5dba58189dbbcULL),
K(0x3956c25bf348b538ULL), K(0x59f111f1b605d019ULL),
@ -760,7 +760,7 @@ void FAST_FUNC sha1_begin(sha1_ctx_t *ctx)
ctx->process_block = sha1_process_block64;
}
static const uint32_t init256[] = {
static const uint32_t init256[] ALIGN4 = {
0,
0,
0x6a09e667,
@ -773,7 +773,7 @@ static const uint32_t init256[] = {
0x5be0cd19,
};
#if NEED_SHA512
static const uint32_t init512_lo[] = {
static const uint32_t init512_lo[] ALIGN4 = {
0,
0,
0xf3bcc908,
@ -1009,7 +1009,7 @@ static void sha3_process_block72(uint64_t *state)
#if OPTIMIZE_SHA3_FOR_32
/*
static const uint32_t IOTA_CONST_0[NROUNDS] = {
static const uint32_t IOTA_CONST_0[NROUNDS] ALIGN4 = {
0x00000001UL,
0x00000000UL,
0x00000000UL,
@ -1038,7 +1038,7 @@ static void sha3_process_block72(uint64_t *state)
** bits are in lsb: 0101 0000 1111 0100 1111 0001
*/
uint32_t IOTA_CONST_0bits = (uint32_t)(0x0050f4f1);
static const uint32_t IOTA_CONST_1[NROUNDS] = {
static const uint32_t IOTA_CONST_1[NROUNDS] ALIGN4 = {
0x00000000UL,
0x00000089UL,
0x8000008bUL,
@ -1174,7 +1174,7 @@ static void sha3_process_block72(uint64_t *state)
combine_halves(state);
#else
/* Native 64-bit algorithm */
static const uint16_t IOTA_CONST[NROUNDS] = {
static const uint16_t IOTA_CONST[NROUNDS] ALIGN2 = {
/* Elements should be 64-bit, but top half is always zero
* or 0x80000000. We encode 63rd bits in a separate word below.
* Same is true for 31th bits, which lets us use 16-bit table
@ -1210,15 +1210,15 @@ static void sha3_process_block72(uint64_t *state)
/* bit for CONST[0] is in msb: 0001 0110 0011 1000 0001 1011 */
const uint32_t IOTA_CONST_bit31 = (uint32_t)(0x16381b00);
static const uint8_t ROT_CONST[24] = {
static const uint8_t ROT_CONST[24] ALIGN1 = {
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 2, 14,
27, 41, 56, 8, 25, 43, 62, 18, 39, 61, 20, 44,
};
static const uint8_t PI_LANE[24] = {
static const uint8_t PI_LANE[24] ALIGN1 = {
10, 7, 11, 17, 18, 3, 5, 16, 8, 21, 24, 4,
15, 23, 19, 13, 12, 2, 20, 14, 22, 9, 6, 1,
};
/*static const uint8_t MOD5[10] = { 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, };*/
/*static const uint8_t MOD5[10] ALIGN1 = { 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, };*/
unsigned x;
unsigned round;