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zstd: sync xxhash with final accepted patch upstream #707

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merged 2 commits into from Dec 4, 2022
Merged

zstd: sync xxhash with final accepted patch upstream #707

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c6652d3
[zstd] sync xxhash with final accepted patch upstream
lizthegrey Dec 4, 2022
cf02dfd
asmfmt
lizthegrey Dec 4, 2022
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6 changes: 3 additions & 3 deletions zstd/internal/xxhash/xxhash_arm64.s
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Expand Up @@ -47,9 +47,9 @@
round(v1, x1) \
LDP -16(p), (x3, x4) \
round(v2, x2) \
SUB $1, nblocks \
round(v3, x3) \
round(v4, x4) \
SUB $1, nblocks \
CBNZ nblocks, loop \

// The primes are repeated here to ensure that they're stored
Expand All @@ -70,8 +70,8 @@ TEXT ·Sum64(SB), NOFRAME+NOSPLIT, $0-32
MOVD primes<>+32(SB), prime5

CMP $32, len
CSEL LO, prime5, ZR, h // if len < 32 { h = prime5 } else { h = 0 }
BLO afterLoop
CSEL LT, prime5, ZR, h // if len < 32 { h = prime5 } else { h = 0 }
BLT afterLoop

ADD prime1, prime2, v1
MOVD prime2, v2
Expand Down