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tests	[ DIR ]	drwxr-xr-x
Makefile.frag	518 B	-rw-r--r--
Makefile.frag.w32	484 B	-rw-r--r--
array.c	171.38 KB	-rw-r--r--
assert.c	8.26 KB	-rw-r--r--
base64.c	30.55 KB	-rw-r--r--
base64.h	3.59 KB	-rw-r--r--
basic_functions.c	66.93 KB	-rw-r--r--
basic_functions.h	4.87 KB	-rw-r--r--
basic_functions.stub.php	48.85 KB	-rw-r--r--
basic_functions_arginfo.h	125.23 KB	-rw-r--r--
browscap.c	20.49 KB	-rw-r--r--
config.m4	10.98 KB	-rw-r--r--
config.w32	1.79 KB	-rw-r--r--
crc32.c	3.85 KB	-rw-r--r--
crc32.h	4.79 KB	-rw-r--r--
crc32_x86.c	11.99 KB	-rw-r--r--
crc32_x86.h	1.82 KB	-rw-r--r--
credits.c	5.71 KB	-rw-r--r--
credits.h	1.53 KB	-rw-r--r--
credits_ext.h	5.24 KB	-rw-r--r--
credits_sapi.h	835 B	-rw-r--r--
crypt.c	6.73 KB	-rw-r--r--
crypt_blowfish.c	30.75 KB	-rw-r--r--
crypt_blowfish.h	790 B	-rw-r--r--
crypt_freesec.c	21.52 KB	-rw-r--r--
crypt_freesec.h	662 B	-rw-r--r--
crypt_sha256.c	21.6 KB	-rw-r--r--
crypt_sha512.c	26.24 KB	-rw-r--r--
css.c	2.24 KB	-rw-r--r--
css.h	1.04 KB	-rw-r--r--
datetime.c	3.28 KB	-rw-r--r--
datetime.h	1.14 KB	-rw-r--r--
dir.c	14.04 KB	-rw-r--r--
dir.stub.php	528 B	-rw-r--r--
dir_arginfo.h	1.83 KB	-rw-r--r--
dl.c	8.18 KB	-rw-r--r--
dl.h	1.46 KB	-rw-r--r--
dl.stub.php	56 B	-rw-r--r--
dl_arginfo.h	269 B	-rw-r--r--
dns.c	29.37 KB	-rw-r--r--
dns_win32.c	15.09 KB	-rw-r--r--
exec.c	12.77 KB	-rw-r--r--
exec.h	1.27 KB	-rw-r--r--
file.c	65.14 KB	-rw-r--r--
file.h	3.93 KB	-rw-r--r--
filestat.c	28.38 KB	-rw-r--r--
filters.c	50.3 KB	-rw-r--r--
flock_compat.c	6 KB	-rw-r--r--
flock_compat.h	2.06 KB	-rw-r--r--
formatted_print.c	23.31 KB	-rw-r--r--
fsock.c	3.67 KB	-rw-r--r--
fsock.h	1.22 KB	-rw-r--r--
ftok.c	1.84 KB	-rw-r--r--
ftp_fopen_wrapper.c	31.54 KB	-rw-r--r--
head.c	10.66 KB	-rw-r--r--
head.h	1.53 KB	-rw-r--r--
hrtime.c	4.86 KB	-rw-r--r--
hrtime.h	2.31 KB	-rw-r--r--
html.c	44.9 KB	-rw-r--r--
html.h	2.34 KB	-rw-r--r--
html_tables.h	472.26 KB	-rw-r--r--
http.c	6.99 KB	-rw-r--r--
http_fopen_wrapper.c	32.23 KB	-rw-r--r--
image.c	44.79 KB	-rw-r--r--
incomplete_class.c	4.95 KB	-rw-r--r--
info.c	40.74 KB	-rw-r--r--
info.h	22.94 KB	-rw-r--r--
iptc.c	9.11 KB	-rw-r--r--
lcg.c	2.8 KB	-rw-r--r--
levenshtein.c	2.57 KB	-rw-r--r--
link.c	5.45 KB	-rw-r--r--
mail.c	15.13 KB	-rw-r--r--
math.c	27.18 KB	-rw-r--r--
md5.c	10.66 KB	-rw-r--r--
md5.h	2.02 KB	-rw-r--r--
metaphone.c	11.53 KB	-rw-r--r--
microtime.c	4.01 KB	-rw-r--r--
mt_rand.c	10.67 KB	-rw-r--r--
net.c	8.97 KB	-rw-r--r--
pack.c	31.65 KB	-rw-r--r--
pack.h	1.05 KB	-rw-r--r--
pageinfo.c	3.23 KB	-rw-r--r--
pageinfo.h	1.15 KB	-rw-r--r--
password.c	19.17 KB	-rw-r--r--
php_array.h	2.24 KB	-rw-r--r--
php_assert.h	1.24 KB	-rw-r--r--
php_browscap.h	1.11 KB	-rw-r--r--
php_crypt.h	1.37 KB	-rw-r--r--
php_crypt_r.c	5.74 KB	-rw-r--r--
php_crypt_r.h	1.64 KB	-rw-r--r--
php_dir.h	1.28 KB	-rw-r--r--
php_dns.h	2.58 KB	-rw-r--r--
php_ext_syslog.h	1.25 KB	-rw-r--r--
php_filestat.h	2.1 KB	-rw-r--r--
php_fopen_wrapper.c	11.47 KB	-rw-r--r--
php_fopen_wrappers.h	1.79 KB	-rw-r--r--
php_http.h	1.33 KB	-rw-r--r--
php_image.h	2.17 KB	-rw-r--r--
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php_lcg.h	1.31 KB	-rw-r--r--
php_mail.h	2.16 KB	-rw-r--r--
php_math.h	3.55 KB	-rw-r--r--
php_mt_rand.h	1.81 KB	-rw-r--r--
php_net.h	1.14 KB	-rw-r--r--
php_password.h	2.76 KB	-rw-r--r--
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php_random.h	1.86 KB	-rw-r--r--
php_smart_string.h	1.13 KB	-rw-r--r--
php_smart_string_public.h	1.14 KB	-rw-r--r--
php_standard.h	1.91 KB	-rw-r--r--
php_string.h	3.95 KB	-rw-r--r--
php_uuencode.h	1.18 KB	-rw-r--r--
php_var.h	3.41 KB	-rw-r--r--
php_versioning.h	1.18 KB	-rw-r--r--
proc_open.c	35.65 KB	-rw-r--r--
proc_open.h	1.67 KB	-rw-r--r--
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rand.c	2.22 KB	-rw-r--r--
random.c	7.33 KB	-rw-r--r--
scanf.c	28.32 KB	-rw-r--r--
scanf.h	1.95 KB	-rw-r--r--
sha1.c	11.22 KB	-rw-r--r--
sha1.h	1.62 KB	-rw-r--r--
soundex.c	2.94 KB	-rw-r--r--
streamsfuncs.c	43.35 KB	-rw-r--r--
streamsfuncs.h	1.11 KB	-rw-r--r--
string.c	143.34 KB	-rw-r--r--
strnatcmp.c	4.28 KB	-rw-r--r--
syslog.c	6.02 KB	-rw-r--r--
type.c	10.77 KB	-rw-r--r--
uniqid.c	2.62 KB	-rw-r--r--
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url.h	2.08 KB	-rw-r--r--
url_scanner_ex.c	38.41 KB	-rw-r--r--
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user_filters.c	15.39 KB	-rw-r--r--
user_filters.stub.php	541 B	-rw-r--r--
user_filters_arginfo.h	2.45 KB	-rw-r--r--
uuencode.c	6.35 KB	-rw-r--r--
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winver.h	6.23 KB	-rw-r--r--

Code Editor : crc32_x86.c

/*
  +----------------------------------------------------------------------+
  | Copyright (c) The PHP Group                                          |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | https://www.php.net/license/3_01.txt                                 |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: Frank Du <frank.du@intel.com>                                |
  +----------------------------------------------------------------------+
  | Compute the crc32 of the buffer. Based on:                           |
  | "Fast CRC Computation for Generic Polynomials Using PCLMULQDQ"       |
  |  V. Gopal, E. Ozturk, et al., 2009, http://intel.ly/2ySEwL0          |
*/

#include "crc32_x86.h"

#if ZEND_INTRIN_SSE4_2_PCLMUL_NATIVE || ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER
# include <nmmintrin.h>
# include <wmmintrin.h>
#endif

#if ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER
# include "Zend/zend_cpuinfo.h"
#endif

#if ZEND_INTRIN_SSE4_2_PCLMUL_NATIVE || ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER

typedef struct _crc32_pclmul_bit_consts {
	uint64_t k1k2[2];
	uint64_t k3k4[2];
	uint64_t k5k6[2];
	uint64_t uPx[2];
} crc32_pclmul_consts;

static const crc32_pclmul_consts crc32_pclmul_consts_maps[X86_CRC32_MAX] = {
	{ /* X86_CRC32, polynomial: 0x04C11DB7 */
		{0x00e6228b11, 0x008833794c}, /* endianness swap */
		{0x00e8a45605, 0x00c5b9cd4c}, /* endianness swap */
		{0x00490d678d, 0x00f200aa66}, /* endianness swap */
		{0x0104d101df, 0x0104c11db7}
	},
	{ /* X86_CRC32B, polynomial: 0x04C11DB7 with reversed ordering */
		{0x0154442bd4, 0x01c6e41596},
		{0x01751997d0, 0x00ccaa009e},
		{0x0163cd6124, 0x01db710640},
		{0x01f7011641, 0x01db710641},
	},
	{ /* X86_CRC32C, polynomial: 0x1EDC6F41 with reversed ordering */
		{0x00740eef02, 0x009e4addf8},
		{0x00f20c0dfe, 0x014cd00bd6},
		{0x00dd45aab8, 0x0000000000},
		{0x00dea713f1, 0x0105ec76f0}
	}
};

static uint8_t pclmul_shuf_mask_table[16] = {
	0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08,
	0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
};

/* Folding of 128-bit data chunks */
#define CRC32_FOLDING_BLOCK_SIZE (16)

/* PCLMUL version of non-relfected crc32 */
ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_DECL(size_t crc32_pclmul_batch(uint32_t *crc, const unsigned char *p, size_t nr, const crc32_pclmul_consts *consts));
size_t crc32_pclmul_batch(uint32_t *crc, const unsigned char *p, size_t nr, const crc32_pclmul_consts *consts)
{
	size_t nr_in = nr;
	__m128i x0, x1, x2, k, shuf_mask;

if (nr < CRC32_FOLDING_BLOCK_SIZE) {
		return 0;
	}

shuf_mask = _mm_loadu_si128((__m128i *)(pclmul_shuf_mask_table));
	x0 = _mm_cvtsi32_si128(*crc);
	x1 = _mm_loadu_si128((__m128i *)(p + 0x00));
	x0 = _mm_slli_si128(x0, 12);
	x1 = _mm_shuffle_epi8(x1, shuf_mask); /* endianness swap */
	x0 = _mm_xor_si128(x1, x0);
	p += CRC32_FOLDING_BLOCK_SIZE;
	nr -= CRC32_FOLDING_BLOCK_SIZE;

if (nr >= (CRC32_FOLDING_BLOCK_SIZE * 3)) {
		__m128i x3, x4;

x1 = _mm_loadu_si128((__m128i *)(p + 0x00));
		x1 = _mm_shuffle_epi8(x1, shuf_mask); /* endianness swap */
		x2 = _mm_loadu_si128((__m128i *)(p + 0x10));
		x2 = _mm_shuffle_epi8(x2, shuf_mask); /* endianness swap */
		x3 = _mm_loadu_si128((__m128i *)(p + 0x20));
		x3 = _mm_shuffle_epi8(x3, shuf_mask); /* endianness swap */
		p += CRC32_FOLDING_BLOCK_SIZE * 3;
		nr -= CRC32_FOLDING_BLOCK_SIZE * 3;

k = _mm_loadu_si128((__m128i *)consts->k1k2);
		/* parallel folding by 4 */
		while (nr >= (CRC32_FOLDING_BLOCK_SIZE * 4)) {
			__m128i x5, x6, x7, x8, x9, x10, x11;
			x4 = _mm_clmulepi64_si128(x0, k, 0x00);
			x5 = _mm_clmulepi64_si128(x1, k, 0x00);
			x6 = _mm_clmulepi64_si128(x2, k, 0x00);
			x7 = _mm_clmulepi64_si128(x3, k, 0x00);
			x0 = _mm_clmulepi64_si128(x0, k, 0x11);
			x1 = _mm_clmulepi64_si128(x1, k, 0x11);
			x2 = _mm_clmulepi64_si128(x2, k, 0x11);
			x3 = _mm_clmulepi64_si128(x3, k, 0x11);
			x8 = _mm_loadu_si128((__m128i *)(p + 0x00));
			x8 = _mm_shuffle_epi8(x8, shuf_mask); /* endianness swap */
			x9 = _mm_loadu_si128((__m128i *)(p + 0x10));
			x9 = _mm_shuffle_epi8(x9, shuf_mask); /* endianness swap */
			x10 = _mm_loadu_si128((__m128i *)(p + 0x20));
			x10 = _mm_shuffle_epi8(x10, shuf_mask); /* endianness swap */
			x11 = _mm_loadu_si128((__m128i *)(p + 0x30));
			x11 = _mm_shuffle_epi8(x11, shuf_mask); /* endianness swap */
			x0 = _mm_xor_si128(x0, x4);
			x1 = _mm_xor_si128(x1, x5);
			x2 = _mm_xor_si128(x2, x6);
			x3 = _mm_xor_si128(x3, x7);
			x0 = _mm_xor_si128(x0, x8);
			x1 = _mm_xor_si128(x1, x9);
			x2 = _mm_xor_si128(x2, x10);
			x3 = _mm_xor_si128(x3, x11);

p += CRC32_FOLDING_BLOCK_SIZE * 4;
			nr -= CRC32_FOLDING_BLOCK_SIZE * 4;
		}

k = _mm_loadu_si128((__m128i *)consts->k3k4);
		/* fold 4 to 1, [x1, x2, x3] -> x0 */
		x4 = _mm_clmulepi64_si128(x0, k, 0x00);
		x0 = _mm_clmulepi64_si128(x0, k, 0x11);
		x0 = _mm_xor_si128(x0, x1);
		x0 = _mm_xor_si128(x0, x4);
		x4 = _mm_clmulepi64_si128(x0, k, 0x00);
		x0 = _mm_clmulepi64_si128(x0, k, 0x11);
		x0 = _mm_xor_si128(x0, x2);
		x0 = _mm_xor_si128(x0, x4);
		x4 = _mm_clmulepi64_si128(x0, k, 0x00);
		x0 = _mm_clmulepi64_si128(x0, k, 0x11);
		x0 = _mm_xor_si128(x0, x3);
		x0 = _mm_xor_si128(x0, x4);
	}

k = _mm_loadu_si128((__m128i *)consts->k3k4);
	/* folding by 1 */
	while (nr >= CRC32_FOLDING_BLOCK_SIZE) {
		/* load next to x2, fold to x0, x1 */
		x2 = _mm_loadu_si128((__m128i *)(p + 0x00));
		x2 = _mm_shuffle_epi8(x2, shuf_mask); /* endianness swap */
		x1 = _mm_clmulepi64_si128(x0, k, 0x00);
		x0 = _mm_clmulepi64_si128(x0, k, 0x11);
		x0 = _mm_xor_si128(x0, x2);
		x0 = _mm_xor_si128(x0, x1);
		p += CRC32_FOLDING_BLOCK_SIZE;
		nr -= CRC32_FOLDING_BLOCK_SIZE;
	}

/* reduce 128-bits(final fold) to 96-bits */
	k = _mm_loadu_si128((__m128i*)consts->k5k6);
	x1 = _mm_clmulepi64_si128(x0, k, 0x11);
	x0 = _mm_slli_si128(x0, 8);
	x0 = _mm_srli_si128(x0, 4);
	x0 = _mm_xor_si128(x0, x1);
	/* reduce 96-bits to 64-bits */
	x1 = _mm_clmulepi64_si128(x0, k, 0x01);
	x0 = _mm_xor_si128(x0, x1);

/* barrett reduction */
	k = _mm_loadu_si128((__m128i*)consts->uPx);
	x1 = _mm_move_epi64(x0);
	x1 = _mm_srli_si128(x1, 4);
	x1 = _mm_clmulepi64_si128(x1, k, 0x00);
	x1 = _mm_srli_si128(x1, 4);
	x1 = _mm_clmulepi64_si128(x1, k, 0x10);
	x0 = _mm_xor_si128(x1, x0);
	*crc =  _mm_extract_epi32(x0, 0);
	return (nr_in - nr); /* the nr processed */
}

/* PCLMUL version of relfected crc32 */
ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_DECL(size_t crc32_pclmul_reflected_batch(uint32_t *crc, const unsigned char *p, size_t nr, const crc32_pclmul_consts *consts));
size_t crc32_pclmul_reflected_batch(uint32_t *crc, const unsigned char *p, size_t nr, const crc32_pclmul_consts *consts)
{
	size_t nr_in = nr;
	__m128i x0, x1, x2, k;

if (nr < CRC32_FOLDING_BLOCK_SIZE) {
		return 0;
	}

x0 = _mm_loadu_si128((__m128i *)(p + 0x00));
	x0 = _mm_xor_si128(x0, _mm_cvtsi32_si128(*crc));
	p += CRC32_FOLDING_BLOCK_SIZE;
	nr -= CRC32_FOLDING_BLOCK_SIZE;
	if (nr >= (CRC32_FOLDING_BLOCK_SIZE * 3)) {
		__m128i x3, x4;

x1 = _mm_loadu_si128((__m128i *)(p + 0x00));
		x2 = _mm_loadu_si128((__m128i *)(p + 0x10));
		x3 = _mm_loadu_si128((__m128i *)(p + 0x20));
		p += CRC32_FOLDING_BLOCK_SIZE * 3;
		nr -= CRC32_FOLDING_BLOCK_SIZE * 3;

k = _mm_loadu_si128((__m128i *)consts->k1k2);
		/* parallel folding by 4 */
		while (nr >= (CRC32_FOLDING_BLOCK_SIZE * 4)) {
			__m128i x5, x6, x7, x8, x9, x10, x11;
			x4 = _mm_clmulepi64_si128(x0, k, 0x00);
			x5 = _mm_clmulepi64_si128(x1, k, 0x00);
			x6 = _mm_clmulepi64_si128(x2, k, 0x00);
			x7 = _mm_clmulepi64_si128(x3, k, 0x00);
			x0 = _mm_clmulepi64_si128(x0, k, 0x11);
			x1 = _mm_clmulepi64_si128(x1, k, 0x11);
			x2 = _mm_clmulepi64_si128(x2, k, 0x11);
			x3 = _mm_clmulepi64_si128(x3, k, 0x11);
			x8 = _mm_loadu_si128((__m128i *)(p + 0x00));
			x9 = _mm_loadu_si128((__m128i *)(p + 0x10));
			x10 = _mm_loadu_si128((__m128i *)(p + 0x20));
			x11 = _mm_loadu_si128((__m128i *)(p + 0x30));
			x0 = _mm_xor_si128(x0, x4);
			x1 = _mm_xor_si128(x1, x5);
			x2 = _mm_xor_si128(x2, x6);
			x3 = _mm_xor_si128(x3, x7);
			x0 = _mm_xor_si128(x0, x8);
			x1 = _mm_xor_si128(x1, x9);
			x2 = _mm_xor_si128(x2, x10);
			x3 = _mm_xor_si128(x3, x11);

p += CRC32_FOLDING_BLOCK_SIZE * 4;
			nr -= CRC32_FOLDING_BLOCK_SIZE * 4;
		}

k = _mm_loadu_si128((__m128i *)consts->k3k4);
	/* folding by 1 */
	while (nr >= CRC32_FOLDING_BLOCK_SIZE) {
		/* load next to x2, fold to x0, x1 */
		x2 = _mm_loadu_si128((__m128i *)(p + 0x00));
		x1 = _mm_clmulepi64_si128(x0, k, 0x00);
		x0 = _mm_clmulepi64_si128(x0, k, 0x11);
		x0 = _mm_xor_si128(x0, x2);
		x0 = _mm_xor_si128(x0, x1);
		p += CRC32_FOLDING_BLOCK_SIZE;
		nr -= CRC32_FOLDING_BLOCK_SIZE;
	}

/* reduce 128-bits(final fold) to 96-bits */
	x1 = _mm_clmulepi64_si128(x0, k, 0x10);
	x0 = _mm_srli_si128(x0, 8);
	x0 = _mm_xor_si128(x0, x1);
	/* reduce 96-bits to 64-bits */
	x1 = _mm_shuffle_epi32(x0, 0xfc);
	x0 = _mm_shuffle_epi32(x0, 0xf9);
	k = _mm_loadu_si128((__m128i*)consts->k5k6);
	x1 = _mm_clmulepi64_si128(x1, k, 0x00);
	x0 = _mm_xor_si128(x0, x1);

/* barrett reduction */
	x1 = _mm_shuffle_epi32(x0, 0xf3);
	x0 = _mm_slli_si128(x0, 4);
	k = _mm_loadu_si128((__m128i*)consts->uPx);
	x1 = _mm_clmulepi64_si128(x1, k, 0x00);
	x1 = _mm_clmulepi64_si128(x1, k, 0x10);
	x0 = _mm_xor_si128(x1, x0);
	*crc =  _mm_extract_epi32(x0, 2);
	return (nr_in - nr); /* the nr processed */
}

# if ZEND_INTRIN_SSE4_2_PCLMUL_NATIVE
size_t crc32_x86_simd_update(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr)
# else /* ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER */
size_t crc32_sse42_pclmul_update(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr)
# endif
{
	if (type > X86_CRC32_MAX) {
		return 0;
	}
	const crc32_pclmul_consts *consts = &crc32_pclmul_consts_maps[type];

switch (type) {
	case X86_CRC32:
		return crc32_pclmul_batch(crc, p, nr, consts);
	case X86_CRC32B:
	case X86_CRC32C:
		return crc32_pclmul_reflected_batch(crc, p, nr, consts);
	default:
		return 0;
	}
}
#endif

#if ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER
static size_t crc32_x86_simd_update_default(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr)
{
	return 0;
}

# if ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_PROTO
size_t crc32_x86_simd_update(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr) __attribute__((ifunc("resolve_crc32_x86_simd_update")));

typedef size_t (*crc32_x86_simd_func_t)(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr);

ZEND_NO_SANITIZE_ADDRESS
ZEND_ATTRIBUTE_UNUSED /* clang mistakenly warns about this */
static crc32_x86_simd_func_t resolve_crc32_x86_simd_update() {
	if (zend_cpu_supports_sse42() && zend_cpu_supports_pclmul()) {
		return crc32_sse42_pclmul_update;
	}
	return crc32_x86_simd_update_default;
}
# else /* ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_PTR */
static size_t (*crc32_x86_simd_ptr)(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr) = crc32_x86_simd_update_default;

size_t crc32_x86_simd_update(X86_CRC32_TYPE type, uint32_t *crc, const unsigned char *p, size_t nr) {
	return crc32_x86_simd_ptr(type, crc, p, nr);
}

/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(crc32_x86_intrin)
{
	if (zend_cpu_supports_sse42() && zend_cpu_supports_pclmul()) {
		crc32_x86_simd_ptr = crc32_sse42_pclmul_update;
	}
	return SUCCESS;
}
/* }}} */
# endif
#endif

${this.title}

Code Editor : crc32_x86.c