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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.
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