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util: sync xxhash.h with upstream dev for RISC-V RVV #14604

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util: sync xxhash.h with upstream dev for RISC-V RVV #14604

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1 change: 1 addition & 0 deletions unreleased_history/performance_improvements/riscv_rvv_xxh3.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Sync bundled xxhash.h to upstream dev to enable the RVV-accelerated XXH3 dispatch path on RISC-V (rv64gcv).
10 changes: 10 additions & 0 deletions util/xxhash.cc
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Expand Up @@ -45,4 +45,14 @@
#endif // !defined(XXH_STATIC_LINKING_ONLY)
#define XXH_IMPLEMENTATION /* access definitions */

// xxhash.h follows upstream and uses NULL pervasively; silence the warning here.
#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
#endif

#include "xxhash.h"

#if defined(__GNUC__) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
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