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Allow users of the SDK to decide about HW-accelerated CRC

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This commit is contained in:
Daniel Rubery 2025-06-25 12:52:12 -07:00
parent e5431fa6f5
commit 123fd7943e
2 changed files with 4 additions and 4 deletions
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7
C/7zCrc.c
View file

@ -9,7 +9,7 @@
// for debug:
// #define __ARM_FEATURE_CRC32 1
#ifdef __ARM_FEATURE_CRC32
#if defined(__ARM_FEATURE_CRC32) && !defined(Z7_NO_CRC_HW_FORCE)
// #pragma message("__ARM_FEATURE_CRC32")
#define Z7_CRC_HW_FORCE
#endif
@ -233,17 +233,16 @@ Z7_DIAGNOSTIC_IGNORE_END_RESERVED_MACRO_IDENTIFIER
#endif // defined(Z7_CRC_HW_USE)
#endif // MY_CPU_LE
#ifndef Z7_CRC_HW_FORCE
unsigned g_Crc_Algo;
#if defined(Z7_CRC_HW_USE) || defined(Z7_CRC_UPDATE_T1_FUNC_NAME)
/*
typedef UInt32 (Z7_FASTCALL *Z7_CRC_UPDATE_WITH_TABLE_FUNC)
(UInt32 v, const void *data, size_t size, const UInt32 *table);
Z7_CRC_UPDATE_WITH_TABLE_FUNC g_CrcUpdate;
*/
static unsigned g_Crc_Algo;
#if (!defined(MY_CPU_LE) && !defined(MY_CPU_BE))
static unsigned g_Crc_Be;
#endif

1
C/7zCrc.h
View file

@ -9,6 +9,7 @@
EXTERN_C_BEGIN
extern UInt32 g_CrcTable[];
extern unsigned g_Crc_Algo;
/* Call CrcGenerateTable one time before other CRC functions */
void Z7_FASTCALL CrcGenerateTable(void);