chunkset_tpl.h
crc32_p.h
crc32_tbl.h
+ crc32_comb_tbl.h
deflate.h
deflate_p.h
functable.h
compare258.c
compress.c
crc32.c
+ crc32_comb.c
deflate.c
deflate_fast.c
deflate_medium.c
target_include_directories(makecrct PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
set(MAKECRCT_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makecrct>)
- add_test(NAME makecrct
+ add_test(NAME makecrct-crc32
COMMAND ${CMAKE_COMMAND}
"-DCOMMAND=${MAKECRCT_COMMAND}"
-DOUTPUT=${CMAKE_CURRENT_SOURCE_DIR}/crc32_tbl._h
-DIGNORE_LINE_ENDINGS=ON
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake)
+ set(MAKECRCT_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makecrct> -c)
+ add_test(NAME makecrct-crc32-combine
+ COMMAND ${CMAKE_COMMAND}
+ "-DCOMMAND=${MAKECRCT_COMMAND}"
+ -DOUTPUT=${CMAKE_CURRENT_SOURCE_DIR}/crc32_comb_tbl._h
+ -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/crc32_comb_tbl.h
+ -DIGNORE_LINE_ENDINGS=ON
+ -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake)
+
if(WITH_FUZZERS)
set(FUZZERS checksum compress example_small example_large example_flush example_dict minigzip)
file(GLOB ALL_SRC_FILES "${CMAKE_CURRENT_SOURCE_DIR}/*")
compare258.o \
compress.o \
crc32.o \
+ crc32_comb.o \
deflate.o \
deflate_fast.o \
deflate_medium.o \
compare258.lo \
compress.lo \
crc32.lo \
+ crc32_comb.lo \
deflate.lo \
deflate_fast.lo \
deflate_medium.lo \
#include <inttypes.h>
#include "deflate.h"
#include "functable.h"
-#include "crc32_p.h"
#include "crc32_tbl.h"
-
-/* Local functions for crc concatenation */
-static uint32_t crc32_combine_(uint32_t crc1, uint32_t crc2, z_off64_t len2);
-static void crc32_combine_gen_(uint32_t *op, z_off64_t len2);
-
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
}
#endif /* BYTE_ORDER == BIG_ENDIAN */
-
-/* ========================================================================= */
-static uint32_t crc32_combine_(uint32_t crc1, uint32_t crc2, z_off64_t len2) {
- int n;
-
- if (len2 > 0)
- /* operator for 2^n zeros repeats every GF2_DIM n values */
- for (n = 0; len2; n = (n + 1) % GF2_DIM, len2 >>= 1)
- if (len2 & 1)
- crc1 = gf2_matrix_times(crc_comb[n], crc1);
- return crc1 ^ crc2;
-}
-
-/* ========================================================================= */
-#ifdef ZLIB_COMPAT
-unsigned long Z_EXPORT PREFIX(crc32_combine)(unsigned long crc1, unsigned long crc2, z_off_t len2) {
- return (unsigned long)crc32_combine_((uint32_t)crc1, (uint32_t)crc2, len2);
-}
-
-unsigned long Z_EXPORT PREFIX4(crc32_combine)(unsigned long crc1, unsigned long crc2, z_off64_t len2) {
- return (unsigned long)crc32_combine_((uint32_t)crc1, (uint32_t)crc2, len2);
-}
-#else
-uint32_t Z_EXPORT PREFIX4(crc32_combine)(uint32_t crc1, uint32_t crc2, z_off64_t len2) {
- return crc32_combine_(crc1, crc2, len2);
-}
-#endif
-
#ifdef X86_PCLMULQDQ_CRC
#include "arch/x86/x86.h"
#include "arch/x86/crc_folding.h"
memcpy(dst, strm->next_in, size);
strm->adler = PREFIX(crc32)(strm->adler, dst, size);
}
-
-/* ========================================================================= */
-
-static void crc32_combine_gen_(uint32_t *op, z_off64_t len2) {
- uint32_t row;
- int j;
- unsigned i;
-
- /* if len2 is zero or negative, return the identity matrix */
- if (len2 <= 0) {
- row = 1;
- for (j = 0; j < GF2_DIM; j++) {
- op[j] = row;
- row <<= 1;
- }
- return;
- }
-
- /* at least one bit in len2 is set -- find it, and copy the operator
- corresponding to that position into op */
- i = 0;
- for (;;) {
- if (len2 & 1) {
- for (j = 0; j < GF2_DIM; j++)
- op[j] = crc_comb[i][j];
- break;
- }
- len2 >>= 1;
- i = (i + 1) % GF2_DIM;
- }
-
- /* for each remaining bit set in len2 (if any), multiply op by the operator
- corresponding to that position */
- for (;;) {
- len2 >>= 1;
- i = (i + 1) % GF2_DIM;
- if (len2 == 0)
- break;
- if (len2 & 1)
- for (j = 0; j < GF2_DIM; j++)
- op[j] = gf2_matrix_times(crc_comb[i], op[j]);
- }
-}
-
-/* ========================================================================= */
-
-#ifdef ZLIB_COMPAT
-void Z_EXPORT PREFIX(crc32_combine_gen)(uint32_t *op, z_off_t len2) {
- crc32_combine_gen_(op, len2);
-}
-#endif
-
-void Z_EXPORT PREFIX4(crc32_combine_gen)(uint32_t *op, z_off64_t len2) {
- crc32_combine_gen_(op, len2);
-}
-
-/* ========================================================================= */
-uint32_t Z_EXPORT PREFIX(crc32_combine_op)(uint32_t crc1, uint32_t crc2, const uint32_t *op) {
- return gf2_matrix_times(op, crc1) ^ crc2;
-}
--- /dev/null
+/* crc32_comb.c -- compute the CRC-32 of a data stream
+ * Copyright (C) 1995-2006, 2010, 2011, 2012, 2016, 2018 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ *
+ * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster
+ * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing
+ * tables for updating the shift register in one step with three exclusive-ors
+ * instead of four steps with four exclusive-ors. This results in about a
+ * factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3.
+ */
+
+#include "zbuild.h"
+#include <inttypes.h>
+#include "deflate.h"
+#include "crc32_p.h"
+#include "crc32_comb_tbl.h"
+
+
+/* Local functions for crc concatenation */
+static uint32_t crc32_combine_(uint32_t crc1, uint32_t crc2, z_off64_t len2);
+static void crc32_combine_gen_(uint32_t *op, z_off64_t len2);
+
+/* ========================================================================= */
+static uint32_t crc32_combine_(uint32_t crc1, uint32_t crc2, z_off64_t len2) {
+ int n;
+
+ if (len2 > 0)
+ /* operator for 2^n zeros repeats every GF2_DIM n values */
+ for (n = 0; len2; n = (n + 1) % GF2_DIM, len2 >>= 1)
+ if (len2 & 1)
+ crc1 = gf2_matrix_times(crc_comb[n], crc1);
+ return crc1 ^ crc2;
+}
+
+/* ========================================================================= */
+#ifdef ZLIB_COMPAT
+unsigned long Z_EXPORT PREFIX(crc32_combine)(unsigned long crc1, unsigned long crc2, z_off_t len2) {
+ return (unsigned long)crc32_combine_((uint32_t)crc1, (uint32_t)crc2, len2);
+}
+
+unsigned long Z_EXPORT PREFIX4(crc32_combine)(unsigned long crc1, unsigned long crc2, z_off64_t len2) {
+ return (unsigned long)crc32_combine_((uint32_t)crc1, (uint32_t)crc2, len2);
+}
+#else
+uint32_t Z_EXPORT PREFIX4(crc32_combine)(uint32_t crc1, uint32_t crc2, z_off64_t len2) {
+ return crc32_combine_(crc1, crc2, len2);
+}
+#endif
+
+/* ========================================================================= */
+
+static void crc32_combine_gen_(uint32_t *op, z_off64_t len2) {
+ uint32_t row;
+ int j;
+ unsigned i;
+
+ /* if len2 is zero or negative, return the identity matrix */
+ if (len2 <= 0) {
+ row = 1;
+ for (j = 0; j < GF2_DIM; j++) {
+ op[j] = row;
+ row <<= 1;
+ }
+ return;
+ }
+
+ /* at least one bit in len2 is set -- find it, and copy the operator
+ corresponding to that position into op */
+ i = 0;
+ for (;;) {
+ if (len2 & 1) {
+ for (j = 0; j < GF2_DIM; j++)
+ op[j] = crc_comb[i][j];
+ break;
+ }
+ len2 >>= 1;
+ i = (i + 1) % GF2_DIM;
+ }
+
+ /* for each remaining bit set in len2 (if any), multiply op by the operator
+ corresponding to that position */
+ for (;;) {
+ len2 >>= 1;
+ i = (i + 1) % GF2_DIM;
+ if (len2 == 0)
+ break;
+ if (len2 & 1)
+ for (j = 0; j < GF2_DIM; j++)
+ op[j] = gf2_matrix_times(crc_comb[i], op[j]);
+ }
+}
+
+/* ========================================================================= */
+
+#ifdef ZLIB_COMPAT
+void Z_EXPORT PREFIX(crc32_combine_gen)(uint32_t *op, z_off_t len2) {
+ crc32_combine_gen_(op, len2);
+}
+#endif
+
+void Z_EXPORT PREFIX4(crc32_combine_gen)(uint32_t *op, z_off64_t len2) {
+ crc32_combine_gen_(op, len2);
+}
+
+/* ========================================================================= */
+uint32_t Z_EXPORT PREFIX(crc32_combine_op)(uint32_t crc1, uint32_t crc2, const uint32_t *op) {
+ return gf2_matrix_times(op, crc1) ^ crc2;
+}
--- /dev/null
+#ifndef CRC32_COMB_TBL_H_
+#define CRC32_COMB_TBL_H_
+
+/* crc32_comb_tbl.h -- zero operators table for CRC combine
+ * Generated automatically by makecrct.c
+ */
+
+static const uint32_t crc_comb[32][32] =
+{
+ {
+ 0x77073096, 0xee0e612c, 0x076dc419, 0x0edb8832, 0x1db71064,
+ 0x3b6e20c8, 0x76dc4190, 0xedb88320, 0x00000001, 0x00000002,
+ 0x00000004, 0x00000008, 0x00000010, 0x00000020, 0x00000040,
+ 0x00000080, 0x00000100, 0x00000200, 0x00000400, 0x00000800,
+ 0x00001000, 0x00002000, 0x00004000, 0x00008000, 0x00010000,
+ 0x00020000, 0x00040000, 0x00080000, 0x00100000, 0x00200000,
+ 0x00400000, 0x00800000
+ },
+ {
+ 0x191b3141, 0x32366282, 0x646cc504, 0xc8d98a08, 0x4ac21251,
+ 0x958424a2, 0xf0794f05, 0x3b83984b, 0x77073096, 0xee0e612c,
+ 0x076dc419, 0x0edb8832, 0x1db71064, 0x3b6e20c8, 0x76dc4190,
+ 0xedb88320, 0x00000001, 0x00000002, 0x00000004, 0x00000008,
+ 0x00000010, 0x00000020, 0x00000040, 0x00000080, 0x00000100,
+ 0x00000200, 0x00000400, 0x00000800, 0x00001000, 0x00002000,
+ 0x00004000, 0x00008000
+ },
+ {
+ 0xb8bc6765, 0xaa09c88b, 0x8f629757, 0xc5b428ef, 0x5019579f,
+ 0xa032af3e, 0x9b14583d, 0xed59b63b, 0x01c26a37, 0x0384d46e,
+ 0x0709a8dc, 0x0e1351b8, 0x1c26a370, 0x384d46e0, 0x709a8dc0,
+ 0xe1351b80, 0x191b3141, 0x32366282, 0x646cc504, 0xc8d98a08,
+ 0x4ac21251, 0x958424a2, 0xf0794f05, 0x3b83984b, 0x77073096,
+ 0xee0e612c, 0x076dc419, 0x0edb8832, 0x1db71064, 0x3b6e20c8,
+ 0x76dc4190, 0xedb88320
+ },
+ {
+ 0xccaa009e, 0x4225077d, 0x844a0efa, 0xd3e51bb5, 0x7cbb312b,
+ 0xf9766256, 0x299dc2ed, 0x533b85da, 0xa6770bb4, 0x979f1129,
+ 0xf44f2413, 0x33ef4e67, 0x67de9cce, 0xcfbd399c, 0x440b7579,
+ 0x8816eaf2, 0xcb5cd3a5, 0x4dc8a10b, 0x9b914216, 0xec53826d,
+ 0x03d6029b, 0x07ac0536, 0x0f580a6c, 0x1eb014d8, 0x3d6029b0,
+ 0x7ac05360, 0xf580a6c0, 0x30704bc1, 0x60e09782, 0xc1c12f04,
+ 0x58f35849, 0xb1e6b092
+ },
+ {
+ 0xae689191, 0x87a02563, 0xd4314c87, 0x73139f4f, 0xe6273e9e,
+ 0x173f7b7d, 0x2e7ef6fa, 0x5cfdedf4, 0xb9fbdbe8, 0xa886b191,
+ 0x8a7c6563, 0xcf89cc87, 0x44629f4f, 0x88c53e9e, 0xcafb7b7d,
+ 0x4e87f0bb, 0x9d0fe176, 0xe16ec4ad, 0x19ac8f1b, 0x33591e36,
+ 0x66b23c6c, 0xcd6478d8, 0x41b9f7f1, 0x8373efe2, 0xdd96d985,
+ 0x605cb54b, 0xc0b96a96, 0x5a03d36d, 0xb407a6da, 0xb37e4bf5,
+ 0xbd8d91ab, 0xa06a2517
+ },
+ {
+ 0xf1da05aa, 0x38c50d15, 0x718a1a2a, 0xe3143454, 0x1d596ee9,
+ 0x3ab2ddd2, 0x7565bba4, 0xeacb7748, 0x0ee7e8d1, 0x1dcfd1a2,
+ 0x3b9fa344, 0x773f4688, 0xee7e8d10, 0x078c1c61, 0x0f1838c2,
+ 0x1e307184, 0x3c60e308, 0x78c1c610, 0xf1838c20, 0x38761e01,
+ 0x70ec3c02, 0xe1d87804, 0x18c1f649, 0x3183ec92, 0x6307d924,
+ 0xc60fb248, 0x576e62d1, 0xaedcc5a2, 0x86c88d05, 0xd6e01c4b,
+ 0x76b13ed7, 0xed627dae
+ },
+ {
+ 0x8f352d95, 0xc51b5d6b, 0x5147bc97, 0xa28f792e, 0x9e6ff41d,
+ 0xe7aeee7b, 0x142cdab7, 0x2859b56e, 0x50b36adc, 0xa166d5b8,
+ 0x99bcad31, 0xe8085c23, 0x0b61be07, 0x16c37c0e, 0x2d86f81c,
+ 0x5b0df038, 0xb61be070, 0xb746c6a1, 0xb5fc8b03, 0xb0881047,
+ 0xba6126cf, 0xafb34bdf, 0x841791ff, 0xd35e25bf, 0x7dcd4d3f,
+ 0xfb9a9a7e, 0x2c4432bd, 0x5888657a, 0xb110caf4, 0xb95093a9,
+ 0xa9d02113, 0x88d14467
+ },
+ {
+ 0x33fff533, 0x67ffea66, 0xcfffd4cc, 0x448eafd9, 0x891d5fb2,
+ 0xc94bb925, 0x49e6740b, 0x93cce816, 0xfce8d66d, 0x22a0aa9b,
+ 0x45415536, 0x8a82aa6c, 0xce745299, 0x4799a373, 0x8f3346e6,
+ 0xc5178b8d, 0x515e115b, 0xa2bc22b6, 0x9e09432d, 0xe763801b,
+ 0x15b60677, 0x2b6c0cee, 0x56d819dc, 0xadb033b8, 0x80116131,
+ 0xdb53c423, 0x6dd68e07, 0xdbad1c0e, 0x6c2b3e5d, 0xd8567cba,
+ 0x6bddff35, 0xd7bbfe6a
+ },
+ {
+ 0xce3371cb, 0x4717e5d7, 0x8e2fcbae, 0xc72e911d, 0x552c247b,
+ 0xaa5848f6, 0x8fc197ad, 0xc4f2291b, 0x52955477, 0xa52aa8ee,
+ 0x9124579d, 0xf939a97b, 0x290254b7, 0x5204a96e, 0xa40952dc,
+ 0x9363a3f9, 0xfdb641b3, 0x201d8527, 0x403b0a4e, 0x8076149c,
+ 0xdb9d2f79, 0x6c4b58b3, 0xd896b166, 0x6a5c648d, 0xd4b8c91a,
+ 0x72009475, 0xe40128ea, 0x13735795, 0x26e6af2a, 0x4dcd5e54,
+ 0x9b9abca8, 0xec447f11
+ },
+ {
+ 0x1072db28, 0x20e5b650, 0x41cb6ca0, 0x8396d940, 0xdc5cb4c1,
+ 0x63c86fc3, 0xc790df86, 0x5450b94d, 0xa8a1729a, 0x8a33e375,
+ 0xcf16c0ab, 0x455c8717, 0x8ab90e2e, 0xce031a1d, 0x4777327b,
+ 0x8eee64f6, 0xc6adcfad, 0x562a991b, 0xac553236, 0x83db622d,
+ 0xdcc7c21b, 0x62fe8277, 0xc5fd04ee, 0x508b0f9d, 0xa1161f3a,
+ 0x995d3835, 0xe9cb762b, 0x08e7ea17, 0x11cfd42e, 0x239fa85c,
+ 0x473f50b8, 0x8e7ea170
+ },
+ {
+ 0xf891f16f, 0x2a52e49f, 0x54a5c93e, 0xa94b927c, 0x89e622b9,
+ 0xc8bd4333, 0x4a0b8027, 0x9417004e, 0xf35f06dd, 0x3dcf0bfb,
+ 0x7b9e17f6, 0xf73c2fec, 0x35095999, 0x6a12b332, 0xd4256664,
+ 0x733bca89, 0xe6779512, 0x179e2c65, 0x2f3c58ca, 0x5e78b194,
+ 0xbcf16328, 0xa293c011, 0x9e568663, 0xe7dc0a87, 0x14c9134f,
+ 0x2992269e, 0x53244d3c, 0xa6489a78, 0x97e032b1, 0xf4b16323,
+ 0x3213c007, 0x6427800e
+ },
+ {
+ 0x88b6ba63, 0xca1c7287, 0x4f49e34f, 0x9e93c69e, 0xe6568b7d,
+ 0x17dc10bb, 0x2fb82176, 0x5f7042ec, 0xbee085d8, 0xa6b00df1,
+ 0x96111da3, 0xf7533d07, 0x35d77c4f, 0x6baef89e, 0xd75df13c,
+ 0x75cae439, 0xeb95c872, 0x0c5a96a5, 0x18b52d4a, 0x316a5a94,
+ 0x62d4b528, 0xc5a96a50, 0x5023d2e1, 0xa047a5c2, 0x9bfe4dc5,
+ 0xec8d9dcb, 0x026a3dd7, 0x04d47bae, 0x09a8f75c, 0x1351eeb8,
+ 0x26a3dd70, 0x4d47bae0
+ },
+ {
+ 0x5ad8a92c, 0xb5b15258, 0xb013a2f1, 0xbb5643a3, 0xaddd8107,
+ 0x80ca044f, 0xdae50edf, 0x6ebb1bff, 0xdd7637fe, 0x619d69bd,
+ 0xc33ad37a, 0x5d04a0b5, 0xba09416a, 0xaf638495, 0x85b60f6b,
+ 0xd01d1897, 0x7b4b376f, 0xf6966ede, 0x365ddbfd, 0x6cbbb7fa,
+ 0xd9776ff4, 0x699fd9a9, 0xd33fb352, 0x7d0e60e5, 0xfa1cc1ca,
+ 0x2f4885d5, 0x5e910baa, 0xbd221754, 0xa13528e9, 0x991b5793,
+ 0xe947a967, 0x09fe548f
+ },
+ {
+ 0xb566f6e2, 0xb1bceb85, 0xb808d14b, 0xab60a4d7, 0x8db04fef,
+ 0xc011999f, 0x5b52357f, 0xb6a46afe, 0xb639d3bd, 0xb702a13b,
+ 0xb5744437, 0xb1998e2f, 0xb8421a1f, 0xabf5327f, 0x8c9b62bf,
+ 0xc247c33f, 0x5ffe803f, 0xbffd007e, 0xa48b06bd, 0x92670b3b,
+ 0xffbf1037, 0x240f262f, 0x481e4c5e, 0x903c98bc, 0xfb083739,
+ 0x2d616833, 0x5ac2d066, 0xb585a0cc, 0xb07a47d9, 0xbb8589f3,
+ 0xac7a15a7, 0x83852d0f
+ },
+ {
+ 0x9d9129bf, 0xe053553f, 0x1bd7ac3f, 0x37af587e, 0x6f5eb0fc,
+ 0xdebd61f8, 0x660bc5b1, 0xcc178b62, 0x435e1085, 0x86bc210a,
+ 0xd6094455, 0x77638eeb, 0xeec71dd6, 0x06ff3ded, 0x0dfe7bda,
+ 0x1bfcf7b4, 0x37f9ef68, 0x6ff3ded0, 0xdfe7bda0, 0x64be7d01,
+ 0xc97cfa02, 0x4988f245, 0x9311e48a, 0xfd52cf55, 0x21d498eb,
+ 0x43a931d6, 0x875263ac, 0xd5d5c119, 0x70da8473, 0xe1b508e6,
+ 0x181b178d, 0x30362f1a
+ },
+ {
+ 0x2ee43a2c, 0x5dc87458, 0xbb90e8b0, 0xac50d721, 0x83d0a803,
+ 0xdcd05647, 0x62d1aacf, 0xc5a3559e, 0x5037ad7d, 0xa06f5afa,
+ 0x9bafb3b5, 0xec2e612b, 0x032dc417, 0x065b882e, 0x0cb7105c,
+ 0x196e20b8, 0x32dc4170, 0x65b882e0, 0xcb7105c0, 0x4d930dc1,
+ 0x9b261b82, 0xed3d3145, 0x010b64cb, 0x0216c996, 0x042d932c,
+ 0x085b2658, 0x10b64cb0, 0x216c9960, 0x42d932c0, 0x85b26580,
+ 0xd015cd41, 0x7b5a9cc3
+ },
+ {
+ 0x1b4511ee, 0x368a23dc, 0x6d1447b8, 0xda288f70, 0x6f2018a1,
+ 0xde403142, 0x67f164c5, 0xcfe2c98a, 0x44b49555, 0x89692aaa,
+ 0xc9a35315, 0x4837a06b, 0x906f40d6, 0xfbaf87ed, 0x2c2e099b,
+ 0x585c1336, 0xb0b8266c, 0xba014a99, 0xaf739373, 0x859620a7,
+ 0xd05d470f, 0x7bcb885f, 0xf79710be, 0x345f273d, 0x68be4e7a,
+ 0xd17c9cf4, 0x79883fa9, 0xf3107f52, 0x3d51f8e5, 0x7aa3f1ca,
+ 0xf547e394, 0x31fec169
+ },
+ {
+ 0xbce15202, 0xa2b3a245, 0x9e1642cb, 0xe75d83d7, 0x15ca01ef,
+ 0x2b9403de, 0x572807bc, 0xae500f78, 0x87d118b1, 0xd4d33723,
+ 0x72d76807, 0xe5aed00e, 0x102ca65d, 0x20594cba, 0x40b29974,
+ 0x816532e8, 0xd9bb6391, 0x6807c163, 0xd00f82c6, 0x7b6e03cd,
+ 0xf6dc079a, 0x36c90975, 0x6d9212ea, 0xdb2425d4, 0x6d394de9,
+ 0xda729bd2, 0x6f9431e5, 0xdf2863ca, 0x6521c1d5, 0xca4383aa,
+ 0x4ff60115, 0x9fec022a
+ },
+ {
+ 0xff08e5ef, 0x2560cd9f, 0x4ac19b3e, 0x9583367c, 0xf0776ab9,
+ 0x3b9fd333, 0x773fa666, 0xee7f4ccc, 0x078f9fd9, 0x0f1f3fb2,
+ 0x1e3e7f64, 0x3c7cfec8, 0x78f9fd90, 0xf1f3fb20, 0x3896f001,
+ 0x712de002, 0xe25bc004, 0x1fc68649, 0x3f8d0c92, 0x7f1a1924,
+ 0xfe343248, 0x271962d1, 0x4e32c5a2, 0x9c658b44, 0xe3ba10c9,
+ 0x1c0527d3, 0x380a4fa6, 0x70149f4c, 0xe0293e98, 0x1b237b71,
+ 0x3646f6e2, 0x6c8dedc4
+ },
+ {
+ 0x6f76172e, 0xdeec2e5c, 0x66a95af9, 0xcd52b5f2, 0x41d46da5,
+ 0x83a8db4a, 0xdc20b0d5, 0x633067eb, 0xc660cfd6, 0x57b099ed,
+ 0xaf6133da, 0x85b361f5, 0xd017c5ab, 0x7b5e8d17, 0xf6bd1a2e,
+ 0x360b321d, 0x6c16643a, 0xd82cc874, 0x6b2896a9, 0xd6512d52,
+ 0x77d35ce5, 0xefa6b9ca, 0x043c75d5, 0x0878ebaa, 0x10f1d754,
+ 0x21e3aea8, 0x43c75d50, 0x878ebaa0, 0xd46c7301, 0x73a9e043,
+ 0xe753c086, 0x15d6874d
+ },
+ {
+ 0x56f5cab9, 0xadeb9572, 0x80a62ca5, 0xda3d5f0b, 0x6f0bb857,
+ 0xde1770ae, 0x675fe71d, 0xcebfce3a, 0x460e9a35, 0x8c1d346a,
+ 0xc34b6e95, 0x5de7db6b, 0xbbcfb6d6, 0xacee6bed, 0x82add19b,
+ 0xde2aa577, 0x67244caf, 0xce48995e, 0x47e034fd, 0x8fc069fa,
+ 0xc4f1d5b5, 0x5292ad2b, 0xa5255a56, 0x913bb2ed, 0xf906639b,
+ 0x297dc177, 0x52fb82ee, 0xa5f705dc, 0x909f0df9, 0xfa4f1db3,
+ 0x2fef3d27, 0x5fde7a4e
+ },
+ {
+ 0x385993ac, 0x70b32758, 0xe1664eb0, 0x19bd9b21, 0x337b3642,
+ 0x66f66c84, 0xcdecd908, 0x40a8b451, 0x815168a2, 0xd9d3d705,
+ 0x68d6a84b, 0xd1ad5096, 0x782ba76d, 0xf0574eda, 0x3bdf9bf5,
+ 0x77bf37ea, 0xef7e6fd4, 0x058dd9e9, 0x0b1bb3d2, 0x163767a4,
+ 0x2c6ecf48, 0x58dd9e90, 0xb1bb3d20, 0xb8077c01, 0xab7ffe43,
+ 0x8d8efac7, 0xc06cf3cf, 0x5ba8e1df, 0xb751c3be, 0xb5d2813d,
+ 0xb0d4043b, 0xbad90e37
+ },
+ {
+ 0xb4247b20, 0xb339f001, 0xbd02e643, 0xa174cac7, 0x999893cf,
+ 0xe84021df, 0x0bf145ff, 0x17e28bfe, 0x2fc517fc, 0x5f8a2ff8,
+ 0xbf145ff0, 0xa559b9a1, 0x91c27503, 0xf8f5ec47, 0x2a9adecf,
+ 0x5535bd9e, 0xaa6b7b3c, 0x8fa7f039, 0xc43ee633, 0x530cca27,
+ 0xa619944e, 0x97422edd, 0xf5f55bfb, 0x309bb1b7, 0x6137636e,
+ 0xc26ec6dc, 0x5fac8bf9, 0xbf5917f2, 0xa5c329a5, 0x90f7550b,
+ 0xfa9fac57, 0x2e4e5eef
+ },
+ {
+ 0x695186a7, 0xd2a30d4e, 0x7e371cdd, 0xfc6e39ba, 0x23ad7535,
+ 0x475aea6a, 0x8eb5d4d4, 0xc61aafe9, 0x57445993, 0xae88b326,
+ 0x8660600d, 0xd7b1c65b, 0x74128af7, 0xe82515ee, 0x0b3b2d9d,
+ 0x16765b3a, 0x2cecb674, 0x59d96ce8, 0xb3b2d9d0, 0xbc14b5e1,
+ 0xa3586d83, 0x9dc1dd47, 0xe0f2bccf, 0x1a947fdf, 0x3528ffbe,
+ 0x6a51ff7c, 0xd4a3fef8, 0x7236fbb1, 0xe46df762, 0x13aae885,
+ 0x2755d10a, 0x4eaba214
+ },
+ {
+ 0x66bc001e, 0xcd78003c, 0x41810639, 0x83020c72, 0xdd751ea5,
+ 0x619b3b0b, 0xc3367616, 0x5d1dea6d, 0xba3bd4da, 0xaf06aff5,
+ 0x857c59ab, 0xd189b517, 0x78626c6f, 0xf0c4d8de, 0x3af8b7fd,
+ 0x75f16ffa, 0xebe2dff4, 0x0cb4b9a9, 0x19697352, 0x32d2e6a4,
+ 0x65a5cd48, 0xcb4b9a90, 0x4de63361, 0x9bcc66c2, 0xece9cbc5,
+ 0x02a291cb, 0x05452396, 0x0a8a472c, 0x15148e58, 0x2a291cb0,
+ 0x54523960, 0xa8a472c0
+ },
+ {
+ 0xb58b27b3, 0xb0674927, 0xbbbf940f, 0xac0e2e5f, 0x836d5aff,
+ 0xddabb3bf, 0x6026613f, 0xc04cc27e, 0x5be882bd, 0xb7d1057a,
+ 0xb4d30cb5, 0xb2d71f2b, 0xbedf3817, 0xa6cf766f, 0x96efea9f,
+ 0xf6aed37f, 0x362ca0bf, 0x6c59417e, 0xd8b282fc, 0x6a1403b9,
+ 0xd4280772, 0x732108a5, 0xe642114a, 0x17f524d5, 0x2fea49aa,
+ 0x5fd49354, 0xbfa926a8, 0xa4234b11, 0x93379063, 0xfd1e2687,
+ 0x214d4b4f, 0x429a969e
+ },
+ {
+ 0xfe273162, 0x273f6485, 0x4e7ec90a, 0x9cfd9214, 0xe28a2269,
+ 0x1e654293, 0x3cca8526, 0x79950a4c, 0xf32a1498, 0x3d252f71,
+ 0x7a4a5ee2, 0xf494bdc4, 0x32587dc9, 0x64b0fb92, 0xc961f724,
+ 0x49b2e809, 0x9365d012, 0xfdbaa665, 0x20044a8b, 0x40089516,
+ 0x80112a2c, 0xdb535219, 0x6dd7a273, 0xdbaf44e6, 0x6c2f8f8d,
+ 0xd85f1f1a, 0x6bcf3875, 0xd79e70ea, 0x744de795, 0xe89bcf2a,
+ 0x0a469815, 0x148d302a
+ },
+ {
+ 0xd3c98813, 0x7ce21667, 0xf9c42cce, 0x28f95fdd, 0x51f2bfba,
+ 0xa3e57f74, 0x9cbbf8a9, 0xe206f713, 0x1f7ce867, 0x3ef9d0ce,
+ 0x7df3a19c, 0xfbe74338, 0x2cbf8031, 0x597f0062, 0xb2fe00c4,
+ 0xbe8d07c9, 0xa66b09d3, 0x97a715e7, 0xf43f2d8f, 0x330f5d5f,
+ 0x661ebabe, 0xcc3d757c, 0x430becb9, 0x8617d972, 0xd75eb4a5,
+ 0x75cc6f0b, 0xeb98de16, 0x0c40ba6d, 0x188174da, 0x3102e9b4,
+ 0x6205d368, 0xc40ba6d0
+ },
+ {
+ 0xf7d6deb4, 0x34dcbb29, 0x69b97652, 0xd372eca4, 0x7d94df09,
+ 0xfb29be12, 0x2d227a65, 0x5a44f4ca, 0xb489e994, 0xb262d569,
+ 0xbfb4ac93, 0xa4185f67, 0x9341b88f, 0xfdf2775f, 0x2095e8ff,
+ 0x412bd1fe, 0x8257a3fc, 0xdfde41b9, 0x64cd8533, 0xc99b0a66,
+ 0x4847128d, 0x908e251a, 0xfa6d4c75, 0x2fab9eab, 0x5f573d56,
+ 0xbeae7aac, 0xa62df319, 0x972ae073, 0xf524c6a7, 0x31388b0f,
+ 0x6271161e, 0xc4e22c3c
+ },
+ {
+ 0xedb88320, 0x00000001, 0x00000002, 0x00000004, 0x00000008,
+ 0x00000010, 0x00000020, 0x00000040, 0x00000080, 0x00000100,
+ 0x00000200, 0x00000400, 0x00000800, 0x00001000, 0x00002000,
+ 0x00004000, 0x00008000, 0x00010000, 0x00020000, 0x00040000,
+ 0x00080000, 0x00100000, 0x00200000, 0x00400000, 0x00800000,
+ 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
+ 0x20000000, 0x40000000
+ },
+ {
+ 0x76dc4190, 0xedb88320, 0x00000001, 0x00000002, 0x00000004,
+ 0x00000008, 0x00000010, 0x00000020, 0x00000040, 0x00000080,
+ 0x00000100, 0x00000200, 0x00000400, 0x00000800, 0x00001000,
+ 0x00002000, 0x00004000, 0x00008000, 0x00010000, 0x00020000,
+ 0x00040000, 0x00080000, 0x00100000, 0x00200000, 0x00400000,
+ 0x00800000, 0x01000000, 0x02000000, 0x04000000, 0x08000000,
+ 0x10000000, 0x20000000
+ },
+ {
+ 0x1db71064, 0x3b6e20c8, 0x76dc4190, 0xedb88320, 0x00000001,
+ 0x00000002, 0x00000004, 0x00000008, 0x00000010, 0x00000020,
+ 0x00000040, 0x00000080, 0x00000100, 0x00000200, 0x00000400,
+ 0x00000800, 0x00001000, 0x00002000, 0x00004000, 0x00008000,
+ 0x00010000, 0x00020000, 0x00040000, 0x00080000, 0x00100000,
+ 0x00200000, 0x00400000, 0x00800000, 0x01000000, 0x02000000,
+ 0x04000000, 0x08000000
+ }
+};
+
+#endif /* CRC32_COMB_TBL_H_ */
}
};
-static const uint32_t crc_comb[32][32] =
-{
- {
- 0x77073096, 0xee0e612c, 0x076dc419, 0x0edb8832, 0x1db71064,
- 0x3b6e20c8, 0x76dc4190, 0xedb88320, 0x00000001, 0x00000002,
- 0x00000004, 0x00000008, 0x00000010, 0x00000020, 0x00000040,
- 0x00000080, 0x00000100, 0x00000200, 0x00000400, 0x00000800,
- 0x00001000, 0x00002000, 0x00004000, 0x00008000, 0x00010000,
- 0x00020000, 0x00040000, 0x00080000, 0x00100000, 0x00200000,
- 0x00400000, 0x00800000
- },
- {
- 0x191b3141, 0x32366282, 0x646cc504, 0xc8d98a08, 0x4ac21251,
- 0x958424a2, 0xf0794f05, 0x3b83984b, 0x77073096, 0xee0e612c,
- 0x076dc419, 0x0edb8832, 0x1db71064, 0x3b6e20c8, 0x76dc4190,
- 0xedb88320, 0x00000001, 0x00000002, 0x00000004, 0x00000008,
- 0x00000010, 0x00000020, 0x00000040, 0x00000080, 0x00000100,
- 0x00000200, 0x00000400, 0x00000800, 0x00001000, 0x00002000,
- 0x00004000, 0x00008000
- },
- {
- 0xb8bc6765, 0xaa09c88b, 0x8f629757, 0xc5b428ef, 0x5019579f,
- 0xa032af3e, 0x9b14583d, 0xed59b63b, 0x01c26a37, 0x0384d46e,
- 0x0709a8dc, 0x0e1351b8, 0x1c26a370, 0x384d46e0, 0x709a8dc0,
- 0xe1351b80, 0x191b3141, 0x32366282, 0x646cc504, 0xc8d98a08,
- 0x4ac21251, 0x958424a2, 0xf0794f05, 0x3b83984b, 0x77073096,
- 0xee0e612c, 0x076dc419, 0x0edb8832, 0x1db71064, 0x3b6e20c8,
- 0x76dc4190, 0xedb88320
- },
- {
- 0xccaa009e, 0x4225077d, 0x844a0efa, 0xd3e51bb5, 0x7cbb312b,
- 0xf9766256, 0x299dc2ed, 0x533b85da, 0xa6770bb4, 0x979f1129,
- 0xf44f2413, 0x33ef4e67, 0x67de9cce, 0xcfbd399c, 0x440b7579,
- 0x8816eaf2, 0xcb5cd3a5, 0x4dc8a10b, 0x9b914216, 0xec53826d,
- 0x03d6029b, 0x07ac0536, 0x0f580a6c, 0x1eb014d8, 0x3d6029b0,
- 0x7ac05360, 0xf580a6c0, 0x30704bc1, 0x60e09782, 0xc1c12f04,
- 0x58f35849, 0xb1e6b092
- },
- {
- 0xae689191, 0x87a02563, 0xd4314c87, 0x73139f4f, 0xe6273e9e,
- 0x173f7b7d, 0x2e7ef6fa, 0x5cfdedf4, 0xb9fbdbe8, 0xa886b191,
- 0x8a7c6563, 0xcf89cc87, 0x44629f4f, 0x88c53e9e, 0xcafb7b7d,
- 0x4e87f0bb, 0x9d0fe176, 0xe16ec4ad, 0x19ac8f1b, 0x33591e36,
- 0x66b23c6c, 0xcd6478d8, 0x41b9f7f1, 0x8373efe2, 0xdd96d985,
- 0x605cb54b, 0xc0b96a96, 0x5a03d36d, 0xb407a6da, 0xb37e4bf5,
- 0xbd8d91ab, 0xa06a2517
- },
- {
- 0xf1da05aa, 0x38c50d15, 0x718a1a2a, 0xe3143454, 0x1d596ee9,
- 0x3ab2ddd2, 0x7565bba4, 0xeacb7748, 0x0ee7e8d1, 0x1dcfd1a2,
- 0x3b9fa344, 0x773f4688, 0xee7e8d10, 0x078c1c61, 0x0f1838c2,
- 0x1e307184, 0x3c60e308, 0x78c1c610, 0xf1838c20, 0x38761e01,
- 0x70ec3c02, 0xe1d87804, 0x18c1f649, 0x3183ec92, 0x6307d924,
- 0xc60fb248, 0x576e62d1, 0xaedcc5a2, 0x86c88d05, 0xd6e01c4b,
- 0x76b13ed7, 0xed627dae
- },
- {
- 0x8f352d95, 0xc51b5d6b, 0x5147bc97, 0xa28f792e, 0x9e6ff41d,
- 0xe7aeee7b, 0x142cdab7, 0x2859b56e, 0x50b36adc, 0xa166d5b8,
- 0x99bcad31, 0xe8085c23, 0x0b61be07, 0x16c37c0e, 0x2d86f81c,
- 0x5b0df038, 0xb61be070, 0xb746c6a1, 0xb5fc8b03, 0xb0881047,
- 0xba6126cf, 0xafb34bdf, 0x841791ff, 0xd35e25bf, 0x7dcd4d3f,
- 0xfb9a9a7e, 0x2c4432bd, 0x5888657a, 0xb110caf4, 0xb95093a9,
- 0xa9d02113, 0x88d14467
- },
- {
- 0x33fff533, 0x67ffea66, 0xcfffd4cc, 0x448eafd9, 0x891d5fb2,
- 0xc94bb925, 0x49e6740b, 0x93cce816, 0xfce8d66d, 0x22a0aa9b,
- 0x45415536, 0x8a82aa6c, 0xce745299, 0x4799a373, 0x8f3346e6,
- 0xc5178b8d, 0x515e115b, 0xa2bc22b6, 0x9e09432d, 0xe763801b,
- 0x15b60677, 0x2b6c0cee, 0x56d819dc, 0xadb033b8, 0x80116131,
- 0xdb53c423, 0x6dd68e07, 0xdbad1c0e, 0x6c2b3e5d, 0xd8567cba,
- 0x6bddff35, 0xd7bbfe6a
- },
- {
- 0xce3371cb, 0x4717e5d7, 0x8e2fcbae, 0xc72e911d, 0x552c247b,
- 0xaa5848f6, 0x8fc197ad, 0xc4f2291b, 0x52955477, 0xa52aa8ee,
- 0x9124579d, 0xf939a97b, 0x290254b7, 0x5204a96e, 0xa40952dc,
- 0x9363a3f9, 0xfdb641b3, 0x201d8527, 0x403b0a4e, 0x8076149c,
- 0xdb9d2f79, 0x6c4b58b3, 0xd896b166, 0x6a5c648d, 0xd4b8c91a,
- 0x72009475, 0xe40128ea, 0x13735795, 0x26e6af2a, 0x4dcd5e54,
- 0x9b9abca8, 0xec447f11
- },
- {
- 0x1072db28, 0x20e5b650, 0x41cb6ca0, 0x8396d940, 0xdc5cb4c1,
- 0x63c86fc3, 0xc790df86, 0x5450b94d, 0xa8a1729a, 0x8a33e375,
- 0xcf16c0ab, 0x455c8717, 0x8ab90e2e, 0xce031a1d, 0x4777327b,
- 0x8eee64f6, 0xc6adcfad, 0x562a991b, 0xac553236, 0x83db622d,
- 0xdcc7c21b, 0x62fe8277, 0xc5fd04ee, 0x508b0f9d, 0xa1161f3a,
- 0x995d3835, 0xe9cb762b, 0x08e7ea17, 0x11cfd42e, 0x239fa85c,
- 0x473f50b8, 0x8e7ea170
- },
- {
- 0xf891f16f, 0x2a52e49f, 0x54a5c93e, 0xa94b927c, 0x89e622b9,
- 0xc8bd4333, 0x4a0b8027, 0x9417004e, 0xf35f06dd, 0x3dcf0bfb,
- 0x7b9e17f6, 0xf73c2fec, 0x35095999, 0x6a12b332, 0xd4256664,
- 0x733bca89, 0xe6779512, 0x179e2c65, 0x2f3c58ca, 0x5e78b194,
- 0xbcf16328, 0xa293c011, 0x9e568663, 0xe7dc0a87, 0x14c9134f,
- 0x2992269e, 0x53244d3c, 0xa6489a78, 0x97e032b1, 0xf4b16323,
- 0x3213c007, 0x6427800e
- },
- {
- 0x88b6ba63, 0xca1c7287, 0x4f49e34f, 0x9e93c69e, 0xe6568b7d,
- 0x17dc10bb, 0x2fb82176, 0x5f7042ec, 0xbee085d8, 0xa6b00df1,
- 0x96111da3, 0xf7533d07, 0x35d77c4f, 0x6baef89e, 0xd75df13c,
- 0x75cae439, 0xeb95c872, 0x0c5a96a5, 0x18b52d4a, 0x316a5a94,
- 0x62d4b528, 0xc5a96a50, 0x5023d2e1, 0xa047a5c2, 0x9bfe4dc5,
- 0xec8d9dcb, 0x026a3dd7, 0x04d47bae, 0x09a8f75c, 0x1351eeb8,
- 0x26a3dd70, 0x4d47bae0
- },
- {
- 0x5ad8a92c, 0xb5b15258, 0xb013a2f1, 0xbb5643a3, 0xaddd8107,
- 0x80ca044f, 0xdae50edf, 0x6ebb1bff, 0xdd7637fe, 0x619d69bd,
- 0xc33ad37a, 0x5d04a0b5, 0xba09416a, 0xaf638495, 0x85b60f6b,
- 0xd01d1897, 0x7b4b376f, 0xf6966ede, 0x365ddbfd, 0x6cbbb7fa,
- 0xd9776ff4, 0x699fd9a9, 0xd33fb352, 0x7d0e60e5, 0xfa1cc1ca,
- 0x2f4885d5, 0x5e910baa, 0xbd221754, 0xa13528e9, 0x991b5793,
- 0xe947a967, 0x09fe548f
- },
- {
- 0xb566f6e2, 0xb1bceb85, 0xb808d14b, 0xab60a4d7, 0x8db04fef,
- 0xc011999f, 0x5b52357f, 0xb6a46afe, 0xb639d3bd, 0xb702a13b,
- 0xb5744437, 0xb1998e2f, 0xb8421a1f, 0xabf5327f, 0x8c9b62bf,
- 0xc247c33f, 0x5ffe803f, 0xbffd007e, 0xa48b06bd, 0x92670b3b,
- 0xffbf1037, 0x240f262f, 0x481e4c5e, 0x903c98bc, 0xfb083739,
- 0x2d616833, 0x5ac2d066, 0xb585a0cc, 0xb07a47d9, 0xbb8589f3,
- 0xac7a15a7, 0x83852d0f
- },
- {
- 0x9d9129bf, 0xe053553f, 0x1bd7ac3f, 0x37af587e, 0x6f5eb0fc,
- 0xdebd61f8, 0x660bc5b1, 0xcc178b62, 0x435e1085, 0x86bc210a,
- 0xd6094455, 0x77638eeb, 0xeec71dd6, 0x06ff3ded, 0x0dfe7bda,
- 0x1bfcf7b4, 0x37f9ef68, 0x6ff3ded0, 0xdfe7bda0, 0x64be7d01,
- 0xc97cfa02, 0x4988f245, 0x9311e48a, 0xfd52cf55, 0x21d498eb,
- 0x43a931d6, 0x875263ac, 0xd5d5c119, 0x70da8473, 0xe1b508e6,
- 0x181b178d, 0x30362f1a
- },
- {
- 0x2ee43a2c, 0x5dc87458, 0xbb90e8b0, 0xac50d721, 0x83d0a803,
- 0xdcd05647, 0x62d1aacf, 0xc5a3559e, 0x5037ad7d, 0xa06f5afa,
- 0x9bafb3b5, 0xec2e612b, 0x032dc417, 0x065b882e, 0x0cb7105c,
- 0x196e20b8, 0x32dc4170, 0x65b882e0, 0xcb7105c0, 0x4d930dc1,
- 0x9b261b82, 0xed3d3145, 0x010b64cb, 0x0216c996, 0x042d932c,
- 0x085b2658, 0x10b64cb0, 0x216c9960, 0x42d932c0, 0x85b26580,
- 0xd015cd41, 0x7b5a9cc3
- },
- {
- 0x1b4511ee, 0x368a23dc, 0x6d1447b8, 0xda288f70, 0x6f2018a1,
- 0xde403142, 0x67f164c5, 0xcfe2c98a, 0x44b49555, 0x89692aaa,
- 0xc9a35315, 0x4837a06b, 0x906f40d6, 0xfbaf87ed, 0x2c2e099b,
- 0x585c1336, 0xb0b8266c, 0xba014a99, 0xaf739373, 0x859620a7,
- 0xd05d470f, 0x7bcb885f, 0xf79710be, 0x345f273d, 0x68be4e7a,
- 0xd17c9cf4, 0x79883fa9, 0xf3107f52, 0x3d51f8e5, 0x7aa3f1ca,
- 0xf547e394, 0x31fec169
- },
- {
- 0xbce15202, 0xa2b3a245, 0x9e1642cb, 0xe75d83d7, 0x15ca01ef,
- 0x2b9403de, 0x572807bc, 0xae500f78, 0x87d118b1, 0xd4d33723,
- 0x72d76807, 0xe5aed00e, 0x102ca65d, 0x20594cba, 0x40b29974,
- 0x816532e8, 0xd9bb6391, 0x6807c163, 0xd00f82c6, 0x7b6e03cd,
- 0xf6dc079a, 0x36c90975, 0x6d9212ea, 0xdb2425d4, 0x6d394de9,
- 0xda729bd2, 0x6f9431e5, 0xdf2863ca, 0x6521c1d5, 0xca4383aa,
- 0x4ff60115, 0x9fec022a
- },
- {
- 0xff08e5ef, 0x2560cd9f, 0x4ac19b3e, 0x9583367c, 0xf0776ab9,
- 0x3b9fd333, 0x773fa666, 0xee7f4ccc, 0x078f9fd9, 0x0f1f3fb2,
- 0x1e3e7f64, 0x3c7cfec8, 0x78f9fd90, 0xf1f3fb20, 0x3896f001,
- 0x712de002, 0xe25bc004, 0x1fc68649, 0x3f8d0c92, 0x7f1a1924,
- 0xfe343248, 0x271962d1, 0x4e32c5a2, 0x9c658b44, 0xe3ba10c9,
- 0x1c0527d3, 0x380a4fa6, 0x70149f4c, 0xe0293e98, 0x1b237b71,
- 0x3646f6e2, 0x6c8dedc4
- },
- {
- 0x6f76172e, 0xdeec2e5c, 0x66a95af9, 0xcd52b5f2, 0x41d46da5,
- 0x83a8db4a, 0xdc20b0d5, 0x633067eb, 0xc660cfd6, 0x57b099ed,
- 0xaf6133da, 0x85b361f5, 0xd017c5ab, 0x7b5e8d17, 0xf6bd1a2e,
- 0x360b321d, 0x6c16643a, 0xd82cc874, 0x6b2896a9, 0xd6512d52,
- 0x77d35ce5, 0xefa6b9ca, 0x043c75d5, 0x0878ebaa, 0x10f1d754,
- 0x21e3aea8, 0x43c75d50, 0x878ebaa0, 0xd46c7301, 0x73a9e043,
- 0xe753c086, 0x15d6874d
- },
- {
- 0x56f5cab9, 0xadeb9572, 0x80a62ca5, 0xda3d5f0b, 0x6f0bb857,
- 0xde1770ae, 0x675fe71d, 0xcebfce3a, 0x460e9a35, 0x8c1d346a,
- 0xc34b6e95, 0x5de7db6b, 0xbbcfb6d6, 0xacee6bed, 0x82add19b,
- 0xde2aa577, 0x67244caf, 0xce48995e, 0x47e034fd, 0x8fc069fa,
- 0xc4f1d5b5, 0x5292ad2b, 0xa5255a56, 0x913bb2ed, 0xf906639b,
- 0x297dc177, 0x52fb82ee, 0xa5f705dc, 0x909f0df9, 0xfa4f1db3,
- 0x2fef3d27, 0x5fde7a4e
- },
- {
- 0x385993ac, 0x70b32758, 0xe1664eb0, 0x19bd9b21, 0x337b3642,
- 0x66f66c84, 0xcdecd908, 0x40a8b451, 0x815168a2, 0xd9d3d705,
- 0x68d6a84b, 0xd1ad5096, 0x782ba76d, 0xf0574eda, 0x3bdf9bf5,
- 0x77bf37ea, 0xef7e6fd4, 0x058dd9e9, 0x0b1bb3d2, 0x163767a4,
- 0x2c6ecf48, 0x58dd9e90, 0xb1bb3d20, 0xb8077c01, 0xab7ffe43,
- 0x8d8efac7, 0xc06cf3cf, 0x5ba8e1df, 0xb751c3be, 0xb5d2813d,
- 0xb0d4043b, 0xbad90e37
- },
- {
- 0xb4247b20, 0xb339f001, 0xbd02e643, 0xa174cac7, 0x999893cf,
- 0xe84021df, 0x0bf145ff, 0x17e28bfe, 0x2fc517fc, 0x5f8a2ff8,
- 0xbf145ff0, 0xa559b9a1, 0x91c27503, 0xf8f5ec47, 0x2a9adecf,
- 0x5535bd9e, 0xaa6b7b3c, 0x8fa7f039, 0xc43ee633, 0x530cca27,
- 0xa619944e, 0x97422edd, 0xf5f55bfb, 0x309bb1b7, 0x6137636e,
- 0xc26ec6dc, 0x5fac8bf9, 0xbf5917f2, 0xa5c329a5, 0x90f7550b,
- 0xfa9fac57, 0x2e4e5eef
- },
- {
- 0x695186a7, 0xd2a30d4e, 0x7e371cdd, 0xfc6e39ba, 0x23ad7535,
- 0x475aea6a, 0x8eb5d4d4, 0xc61aafe9, 0x57445993, 0xae88b326,
- 0x8660600d, 0xd7b1c65b, 0x74128af7, 0xe82515ee, 0x0b3b2d9d,
- 0x16765b3a, 0x2cecb674, 0x59d96ce8, 0xb3b2d9d0, 0xbc14b5e1,
- 0xa3586d83, 0x9dc1dd47, 0xe0f2bccf, 0x1a947fdf, 0x3528ffbe,
- 0x6a51ff7c, 0xd4a3fef8, 0x7236fbb1, 0xe46df762, 0x13aae885,
- 0x2755d10a, 0x4eaba214
- },
- {
- 0x66bc001e, 0xcd78003c, 0x41810639, 0x83020c72, 0xdd751ea5,
- 0x619b3b0b, 0xc3367616, 0x5d1dea6d, 0xba3bd4da, 0xaf06aff5,
- 0x857c59ab, 0xd189b517, 0x78626c6f, 0xf0c4d8de, 0x3af8b7fd,
- 0x75f16ffa, 0xebe2dff4, 0x0cb4b9a9, 0x19697352, 0x32d2e6a4,
- 0x65a5cd48, 0xcb4b9a90, 0x4de63361, 0x9bcc66c2, 0xece9cbc5,
- 0x02a291cb, 0x05452396, 0x0a8a472c, 0x15148e58, 0x2a291cb0,
- 0x54523960, 0xa8a472c0
- },
- {
- 0xb58b27b3, 0xb0674927, 0xbbbf940f, 0xac0e2e5f, 0x836d5aff,
- 0xddabb3bf, 0x6026613f, 0xc04cc27e, 0x5be882bd, 0xb7d1057a,
- 0xb4d30cb5, 0xb2d71f2b, 0xbedf3817, 0xa6cf766f, 0x96efea9f,
- 0xf6aed37f, 0x362ca0bf, 0x6c59417e, 0xd8b282fc, 0x6a1403b9,
- 0xd4280772, 0x732108a5, 0xe642114a, 0x17f524d5, 0x2fea49aa,
- 0x5fd49354, 0xbfa926a8, 0xa4234b11, 0x93379063, 0xfd1e2687,
- 0x214d4b4f, 0x429a969e
- },
- {
- 0xfe273162, 0x273f6485, 0x4e7ec90a, 0x9cfd9214, 0xe28a2269,
- 0x1e654293, 0x3cca8526, 0x79950a4c, 0xf32a1498, 0x3d252f71,
- 0x7a4a5ee2, 0xf494bdc4, 0x32587dc9, 0x64b0fb92, 0xc961f724,
- 0x49b2e809, 0x9365d012, 0xfdbaa665, 0x20044a8b, 0x40089516,
- 0x80112a2c, 0xdb535219, 0x6dd7a273, 0xdbaf44e6, 0x6c2f8f8d,
- 0xd85f1f1a, 0x6bcf3875, 0xd79e70ea, 0x744de795, 0xe89bcf2a,
- 0x0a469815, 0x148d302a
- },
- {
- 0xd3c98813, 0x7ce21667, 0xf9c42cce, 0x28f95fdd, 0x51f2bfba,
- 0xa3e57f74, 0x9cbbf8a9, 0xe206f713, 0x1f7ce867, 0x3ef9d0ce,
- 0x7df3a19c, 0xfbe74338, 0x2cbf8031, 0x597f0062, 0xb2fe00c4,
- 0xbe8d07c9, 0xa66b09d3, 0x97a715e7, 0xf43f2d8f, 0x330f5d5f,
- 0x661ebabe, 0xcc3d757c, 0x430becb9, 0x8617d972, 0xd75eb4a5,
- 0x75cc6f0b, 0xeb98de16, 0x0c40ba6d, 0x188174da, 0x3102e9b4,
- 0x6205d368, 0xc40ba6d0
- },
- {
- 0xf7d6deb4, 0x34dcbb29, 0x69b97652, 0xd372eca4, 0x7d94df09,
- 0xfb29be12, 0x2d227a65, 0x5a44f4ca, 0xb489e994, 0xb262d569,
- 0xbfb4ac93, 0xa4185f67, 0x9341b88f, 0xfdf2775f, 0x2095e8ff,
- 0x412bd1fe, 0x8257a3fc, 0xdfde41b9, 0x64cd8533, 0xc99b0a66,
- 0x4847128d, 0x908e251a, 0xfa6d4c75, 0x2fab9eab, 0x5f573d56,
- 0xbeae7aac, 0xa62df319, 0x972ae073, 0xf524c6a7, 0x31388b0f,
- 0x6271161e, 0xc4e22c3c
- },
- {
- 0xedb88320, 0x00000001, 0x00000002, 0x00000004, 0x00000008,
- 0x00000010, 0x00000020, 0x00000040, 0x00000080, 0x00000100,
- 0x00000200, 0x00000400, 0x00000800, 0x00001000, 0x00002000,
- 0x00004000, 0x00008000, 0x00010000, 0x00020000, 0x00040000,
- 0x00080000, 0x00100000, 0x00200000, 0x00400000, 0x00800000,
- 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
- 0x20000000, 0x40000000
- },
- {
- 0x76dc4190, 0xedb88320, 0x00000001, 0x00000002, 0x00000004,
- 0x00000008, 0x00000010, 0x00000020, 0x00000040, 0x00000080,
- 0x00000100, 0x00000200, 0x00000400, 0x00000800, 0x00001000,
- 0x00002000, 0x00004000, 0x00008000, 0x00010000, 0x00020000,
- 0x00040000, 0x00080000, 0x00100000, 0x00200000, 0x00400000,
- 0x00800000, 0x01000000, 0x02000000, 0x04000000, 0x08000000,
- 0x10000000, 0x20000000
- },
- {
- 0x1db71064, 0x3b6e20c8, 0x76dc4190, 0xedb88320, 0x00000001,
- 0x00000002, 0x00000004, 0x00000008, 0x00000010, 0x00000020,
- 0x00000040, 0x00000080, 0x00000100, 0x00000200, 0x00000400,
- 0x00000800, 0x00001000, 0x00002000, 0x00004000, 0x00008000,
- 0x00010000, 0x00020000, 0x00040000, 0x00080000, 0x00100000,
- 0x00200000, 0x00400000, 0x00800000, 0x01000000, 0x02000000,
- 0x04000000, 0x08000000
- }
-};
#endif /* CRC32_TBL_H_ */
static void gf2_matrix_square(uint32_t *square, const uint32_t *mat);
static void make_crc_table(void);
-static void print_crc32_tables();
+static void make_crc_combine_table(void);
+static void print_crc_table(void);
+static void print_crc_combine_table(void);
static void write_table(const uint32_t *, int);
allow for word-at-a-time CRC calculation for both big-endian and little-
endian machines, where a word is four bytes.
*/
-static void make_crc_table() {
+static void make_crc_table(void) {
int n, k;
uint32_t c;
uint32_t poly; /* polynomial exclusive-or pattern */
crc_table[k + 4][n] = ZSWAP32(c);
}
}
+}
+static void make_crc_combine_table(void) {
+ int n, k;
/* generate zero operators table for crc32_combine() */
/* generate the operator to apply a single zero bit to a CRC -- the
gf2_matrix_square(crc_comb[n], crc_comb[n - 1]);
}
-static void print_crc32_tables() {
+static void write_table(const uint32_t *table, int k) {
+ int n;
+
+ for (n = 0; n < k; n++)
+ printf("%s0x%08" PRIx32 "%s", n % 5 ? "" : " ",
+ (uint32_t)(table[n]),
+ n == k - 1 ? "\n" : (n % 5 == 4 ? ",\n" : ", "));
+}
+
+static void print_crc_table(void) {
int k;
printf("#ifndef CRC32_TBL_H_\n");
printf("#define CRC32_TBL_H_\n\n");
printf(" },\n {\n");
write_table(crc_table[k], 256);
}
- printf(" }\n};\n");
+ printf(" }\n};\n\n");
+
+ printf("#endif /* CRC32_TBL_H_ */\n");
+}
+
+static void print_crc_combine_table(void) {
+ int k;
+ printf("#ifndef CRC32_COMB_TBL_H_\n");
+ printf("#define CRC32_COMB_TBL_H_\n\n");
+ printf("/* crc32_comb_tbl.h -- zero operators table for CRC combine\n");
+ printf(" * Generated automatically by makecrct.c\n */\n\n");
/* print zero operator table */
- printf("\nstatic const uint32_t ");
+ printf("static const uint32_t ");
printf("crc_comb[%d][%d] =\n{\n {\n", GF2_DIM, GF2_DIM);
write_table(crc_comb[0], GF2_DIM);
for (k = 1; k < GF2_DIM; k++) {
printf(" },\n {\n");
write_table(crc_comb[k], GF2_DIM);
}
- printf(" }\n};\n");
- printf("#endif /* CRC32_TBL_H_ */\n");
-}
-
-static void write_table(const uint32_t *table, int k) {
- int n;
+ printf(" }\n};\n\n");
- for (n = 0; n < k; n++)
- printf("%s0x%08" PRIx32 "%s", n % 5 ? "" : " ",
- (uint32_t)(table[n]),
- n == k - 1 ? "\n" : (n % 5 == 4 ? ",\n" : ", "));
+ printf("#endif /* CRC32_COMB_TBL_H_ */\n");
}
// The output of this application can be piped out to recreate crc32.h
-int main() {
- make_crc_table();
- print_crc32_tables();
+int main(int argc, char *argv[]) {
+ if (argc > 1 && strcmp(argv[1], "-c") == 0) {
+ make_crc_combine_table();
+ print_crc_combine_table();
+ } else {
+ make_crc_table();
+ print_crc_table();
+ }
return 0;
}
compare258.obj \
compress.obj \
crc32.obj \
+ crc32_comb.obj \
deflate.obj \
deflate_fast.obj \
deflate_slow.obj \
compress.obj: $(SRCDIR)/compress.c $(SRCDIR)/zbuild.h $(SRCDIR)/zlib$(SUFFIX).h
uncompr.obj: $(SRCDIR)/uncompr.c $(SRCDIR)/zbuild.h $(SRCDIR)/zlib$(SUFFIX).h
crc32.obj: $(SRCDIR)/crc32.c $(SRCDIR)/zbuild.h $(SRCDIR)/zendian.h $(SRCDIR)/deflate.h $(SRCDIR)/functable.h $(SRCDIR)/crc32_tbl.h
+crc32_comb.obj: $(SRCDIR)/crc32_comb.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/crc32_comb_tbl.h
deflate.obj: $(SRCDIR)/deflate.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
deflate_quick.obj: $(SRCDIR)/deflate_quick.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h $(SRCDIR)/trees_emit.h
deflate_fast.obj: $(SRCDIR)/deflate_fast.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
compare258.obj \
compress.obj \
crc32.obj \
+ crc32_comb.obj \
deflate.obj \
deflate_fast.obj \
deflate_slow.obj \
uncompr.obj: $(SRCDIR)/uncompr.c $(SRCDIR)/zbuild.h $(SRCDIR)/zlib$(SUFFIX).h
chunkset.obj: $(SRCDIR)/zbuild.h $(SRCDIR)/zutil.h
crc32.obj: $(SRCDIR)/crc32.c $(SRCDIR)/zbuild.h $(SRCDIR)/zendian.h $(SRCDIR)/deflate.h $(SRCDIR)/functable.h $(SRCDIR)/crc32_tbl.h
+crc32_comb.obj: $(SRCDIR)/crc32_comb.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/crc32_comb_tbl.h
deflate.obj: $(SRCDIR)/deflate.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
deflate_fast.obj: $(SRCDIR)/deflate_fast.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
deflate_medium.obj: $(SRCDIR)/deflate_medium.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
compare258_sse.obj \
compress.obj \
crc32.obj \
+ crc32_comb.obj \
crc_folding.obj \
deflate.obj \
deflate_fast.obj \
chunkset_avx.obj: $(SRCDIR)/arch/x86/chunkset_avx.c $(SRCDIR)/zbuild.h $(SRCDIR)/zutil.h
chunkset_sse.obj: $(SRCDIR)/arch/x86/chunkset_sse.c $(SRCDIR)/zbuild.h $(SRCDIR)/zutil.h
crc32.obj: $(SRCDIR)/crc32.c $(SRCDIR)/zbuild.h $(SRCDIR)/zendian.h $(SRCDIR)/deflate.h $(SRCDIR)/functable.h $(SRCDIR)/crc32_tbl.h
+crc32_comb.obj: $(SRCDIR)/crc32_comb.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/crc32_comb_tbl.h
deflate.obj: $(SRCDIR)/deflate.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
deflate_fast.obj: $(SRCDIR)/deflate_fast.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h
deflate_medium.obj: $(SRCDIR)/deflate_medium.c $(SRCDIR)/zbuild.h $(SRCDIR)/deflate.h $(SRCDIR)/deflate_p.h $(SRCDIR)/functable.h