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zstd: Backport fix for SIGBUS on armv6 from zstd 1.5.0

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Backport zstd commit `28d0120b` (Avoid SIGBUS on armv6, 2021-05-11,
`v1.5.0^2~11^2`) to our bundled copy of zstd 1.4.5.

Fixes: #22754
This commit is contained in:
Brad King
2021-10-14 10:35:52 -04:00
parent e19016c436
commit e4e4c59180
2 changed files with 2 additions and 6 deletions
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4
Utilities/cmzstd/lib/common/mem.h
View File

@@ -173,9 +173,7 @@ void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
* Prefer these methods in priority order (0 > 1 > 2)
*/
#ifndef MEM_FORCE_MEMORY_ACCESS /* can be defined externally, on command line for example */
# if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) )
# define MEM_FORCE_MEMORY_ACCESS 2
# elif defined(__INTEL_COMPILER) || defined(__GNUC__) || defined(__ICCARM__)
# if defined(__INTEL_COMPILER) || defined(__GNUC__) || defined(__ICCARM__)
# define MEM_FORCE_MEMORY_ACCESS 1
# endif
#endif

4
Utilities/cmzstd/lib/common/xxhash.c
View File

@@ -30,9 +30,7 @@
* Prefer these methods in priority order (0 > 1 > 2)
*/
#ifndef XXH_FORCE_MEMORY_ACCESS /* can be defined externally, on command line for example */
# if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) )
# define XXH_FORCE_MEMORY_ACCESS 2
# elif (defined(__INTEL_COMPILER) && !defined(WIN32)) || \
# if (defined(__INTEL_COMPILER) && !defined(WIN32)) || \
(defined(__GNUC__) && ( defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) )) || \
defined(__ICCARM__)
# define XXH_FORCE_MEMORY_ACCESS 1