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liblzma: ARM64 CRC32: Use negation instead of subtracting from 8

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Subtracting from 0 is negation, this just keeps warnings away.

Fixes: 761f5b69a4c778c8bcb09279b845b07c28790575
(cherry picked from commit 2337f7021c860b026e3e849e60a9ae8d09ec0ea0)
This commit is contained in:
Lasse Collin 2024-04-10 21:56:33 +03:00
parent 42a9482b48
commit 42915101e9
1 changed files with 1 additions and 1 deletions
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src/liblzma/check/crc32_arm64.h
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@ -51,7 +51,7 @@ crc32_arch_optimized(const uint8_t *buf, size_t size, uint32_t crc)
// Align the input buffer because this was shown to be
// significantly faster than unaligned accesses.
const size_t align_amount = my_min(size, (8 - (uintptr_t)buf) & 7);
const size_t align_amount = my_min(size, (0U - (uintptr_t)buf) & 7);
for (const uint8_t *limit = buf + align_amount; buf < limit; ++buf)
crc = __crc32b(crc, *buf);