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limit RISC-V FindMatchLength optimizations to 64-bit

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Add `__riscv_xlen == 64` check to ensure the optimized FindMatchLength
routine is only enabled on 64-bit RISC-V platforms.

Signed-off-by: Zhou Yunfei <xdzyf2012@gmail.com>
This commit is contained in:
Zhou Yunfei
2025-12-12 14:01:42 +08:00
parent 25e52c58fb
commit 6484508ffb
1 changed files with 1 additions and 1 deletions
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snappy-internal.h
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@@ -194,7 +194,7 @@ char* CompressFragment(const char* input,
// riscv and little-endian cpu choose this routinue can be done faster too. // riscv and little-endian cpu choose this routinue can be done faster too.
#if !SNAPPY_IS_BIG_ENDIAN && \ #if !SNAPPY_IS_BIG_ENDIAN && \
(defined(__x86_64__) || defined(_M_X64) || defined(ARCH_PPC) || \ (defined(__x86_64__) || defined(_M_X64) || defined(ARCH_PPC) || \
defined(ARCH_ARM) || defined(__riscv)) defined(ARCH_ARM) || (defined(__riscv) && (__riscv_xlen == 64)))
static inline std::pair<size_t, bool> FindMatchLength(const char* s1, static inline std::pair<size_t, bool> FindMatchLength(const char* s1,
const char* s2, const char* s2,
const char* s2_limit, const char* s2_limit,