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[ZLIB] Update to v1.2.13. CORE-18752

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Gabriel Grondin 2023-01-08 16:54:10 +01:00 • committed by Victor Perevertkin
parent 6ae2f432b3
commit 144e984b40
29 changed files with 379 additions and 318 deletions
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33
sdk/lib/3rdparty/zlib/crc32.c vendored
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@ -98,13 +98,22 @@
# endif
#endif
/* If available, use the ARM processor CRC32 instruction. */
#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32) && W == 8
# define ARMCRC32
#endif
/* Local functions. */
local z_crc_t multmodp OF((z_crc_t a, z_crc_t b));
local z_crc_t x2nmodp OF((z_off64_t n, unsigned k));
/* If available, use the ARM processor CRC32 instruction. */
#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32) && W == 8
# define ARMCRC32
#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
local z_word_t byte_swap OF((z_word_t word));
#endif
#if defined(W) && !defined(ARMCRC32)
local z_crc_t crc_word OF((z_word_t data));
local z_word_t crc_word_big OF((z_word_t data));
#endif
#if defined(W) && (!defined(ARMCRC32) || defined(DYNAMIC_CRC_TABLE))
@ -630,7 +639,7 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
#endif /* DYNAMIC_CRC_TABLE */
/* Pre-condition the CRC */
crc ^= 0xffffffff;
crc = (~crc) & 0xffffffff;
/* Compute the CRC up to a word boundary. */
while (len && ((z_size_t)buf & 7) != 0) {
@ -645,8 +654,8 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
len &= 7;
/* Do three interleaved CRCs to realize the throughput of one crc32x
instruction per cycle. Each CRC is calcuated on Z_BATCH words. The three
CRCs are combined into a single CRC after each set of batches. */
instruction per cycle. Each CRC is calculated on Z_BATCH words. The
three CRCs are combined into a single CRC after each set of batches. */
while (num >= 3 * Z_BATCH) {
crc1 = 0;
crc2 = 0;
@ -749,7 +758,7 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
#endif /* DYNAMIC_CRC_TABLE */
/* Pre-condition the CRC */
crc ^= 0xffffffff;
crc = (~crc) & 0xffffffff;
#ifdef W
@ -1077,7 +1086,7 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
#ifdef DYNAMIC_CRC_TABLE
once(&made, make_crc_table);
#endif /* DYNAMIC_CRC_TABLE */
return multmodp(x2nmodp(len2, 3), crc1) ^ crc2;
return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff);
}
/* ========================================================================= */
@ -1086,7 +1095,7 @@ uLong ZEXPORT crc32_combine(crc1, crc2, len2)
uLong crc2;
z_off_t len2;
{
return crc32_combine64(crc1, crc2, len2);
return crc32_combine64(crc1, crc2, (z_off64_t)len2);
}
/* ========================================================================= */
@ -1103,14 +1112,14 @@ uLong ZEXPORT crc32_combine_gen64(len2)
uLong ZEXPORT crc32_combine_gen(len2)
z_off_t len2;
{
return crc32_combine_gen64(len2);
return crc32_combine_gen64((z_off64_t)len2);
}
/* ========================================================================= */
uLong crc32_combine_op(crc1, crc2, op)
uLong ZEXPORT crc32_combine_op(crc1, crc2, op)
uLong crc1;
uLong crc2;
uLong op;
{
return multmodp(op, crc1) ^ crc2;
return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
}