From: Pieter Wuille <github-sipa@wuille.net> Date: Thu, 18 Jun 2020 21:05:38 -0700 Subject: [PATCH] Fix (unused) ReadUint64LE for BE machines (#41) --- a/src/crc32c_read_le.h +++ b/src/crc32c_read_le.h @@ -30,14 +30,14 @@ inline uint32_t ReadUint32LE(const uint8_t* buffer) { // Reads a little-endian 64-bit integer from a 64-bit-aligned buffer. inline uint64_t ReadUint64LE(const uint8_t* buffer) { #if BYTE_ORDER_BIG_ENDIAN - return ((static_cast<uint32_t>(static_cast<uint8_t>(buffer[0]))) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[1])) << 8) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[2])) << 16) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[3])) << 24) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[4])) << 32) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[5])) << 40) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[6])) << 48) | - (static_cast<uint32_t>(static_cast<uint8_t>(buffer[7])) << 56)); + return ((static_cast<uint64_t>(static_cast<uint8_t>(buffer[0]))) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[1])) << 8) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[2])) << 16) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[3])) << 24) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[4])) << 32) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[5])) << 40) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[6])) << 48) | + (static_cast<uint64_t>(static_cast<uint8_t>(buffer[7])) << 56)); #else // !BYTE_ORDER_BIG_ENDIAN uint64_t result; // This should be optimized to a single instruction.