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MDEV-35566 Ensure compatibility with ARMv9 by updating .arch directive #3677

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Merged
dr-m merged 3 commits into from
Aug 15, 2025
Merged

MDEV-35566 Ensure compatibility with ARMv9 by updating .arch directive #3677

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4d0a1a4
MDEV-35566 Ensure compatibility with ARMv9 by updating .arch directive
cythe Dec 2, 2024
6b7b6f8
Merge branch '10.11' into fix-armv9-build-v2
cythe Dec 9, 2024
b38bd85
Merge branch '10.11' into fix-armv9-build-v2
dr-m Aug 15, 2025
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5 changes: 5 additions & 0 deletions storage/innobase/sync/cache.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,12 @@ static void pmem_cvap(const void* buf, size_t size)
for (uintptr_t u= uintptr_t(buf) & ~(CPU_LEVEL1_DCACHE_LINESIZE),
end= uintptr_t(buf) + size;
u < end; u+= CPU_LEVEL1_DCACHE_LINESIZE)
#if defined __ARM_ARCH && __ARM_ARCH == 9
__asm__ __volatile__(".arch armv9.4-a\n dc cvap, %0" :: "r"(u) : "memory");
#else
__asm__ __volatile__(".arch armv8.2-a\n dc cvap, %0" :: "r"(u) : "memory");
#endif

__asm__ __volatile__("dmb ishst" ::: "memory");
}

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