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vcpkg/ports/rocksdb/0005-backport-msvc-fixes-pr-7439.patch
Koby Kahane 248169d8ee
[rocksdb] update to v6.11.4 (#13643)
2020-10-12 17:13:33 -07:00

170 lines
6.7 KiB
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diff --git a/file/filename.cc b/file/filename.cc
index 968adbaa7..0ac4e6ef8 100644
--- a/file/filename.cc
+++ b/file/filename.cc
@@ -461,8 +461,8 @@ Status GetInfoLogFiles(Env* env, const std::string& db_log_dir,
std::string NormalizePath(const std::string& path) {
std::string dst;
for (auto c : path) {
- if (!dst.empty() && c == kFilePathSeparator &&
- dst.back() == kFilePathSeparator) {
+ if (!dst.empty() && (c == kFilePathSeparator || c == '/') &&
+ (dst.back() == kFilePathSeparator || dst.back() == '/')) {
continue;
}
dst.push_back(c);
diff --git a/port/win/port_win.cc b/port/win/port_win.cc
index 2d99a7a9b..34f6b28de 100644
--- a/port/win/port_win.cc
+++ b/port/win/port_win.cc
@@ -100,6 +100,14 @@ bool CondVar::TimedWait(uint64_t abs_time_us) {
// Caller must ensure that mutex is held prior to calling this method
std::unique_lock<std::mutex> lk(mu_->getLock(), std::adopt_lock);
+
+ // Work around https://github.com/microsoft/STL/issues/369
+#if defined(_MSC_VER) && (!defined(_MSVC_STL_UPDATE) || _MSVC_STL_UPDATE < 202008L)
+ if (relTimeUs == microseconds::zero()) {
+ lk.unlock();
+ lk.lock();
+ }
+#endif
#ifndef NDEBUG
mu_->locked_ = false;
#endif
diff --git a/port/win/port_win.h b/port/win/port_win.h
index a3ffd559c..2c5b8ff05 100644
--- a/port/win/port_win.h
+++ b/port/win/port_win.h
@@ -283,7 +283,7 @@ extern const size_t kPageSize;
#endif
static inline void AsmVolatilePause() {
-#if defined(_M_IX86) || defined(_M_X64)
+#if defined(_M_IX86) || defined(_M_X64) || defined(_M_ARM64) || defined(_M_ARM)
YieldProcessor();
#endif
// it would be nice to get "wfe" on ARM here
diff --git a/third-party/folly/folly/chrono/Hardware.h b/third-party/folly/folly/chrono/Hardware.h
index ec7be82e8..6635b8717 100644
--- a/third-party/folly/folly/chrono/Hardware.h
+++ b/third-party/folly/folly/chrono/Hardware.h
@@ -10,7 +10,7 @@
#include <chrono>
#include <cstdint>
-#if _MSC_VER
+#if _MSC_VER && (defined(_M_IX86) || defined(_M_X64))
extern "C" std::uint64_t __rdtsc();
#pragma intrinsic(__rdtsc)
#endif
@@ -18,7 +18,7 @@ extern "C" std::uint64_t __rdtsc();
namespace folly {
inline std::uint64_t hardware_timestamp() {
-#if _MSC_VER
+#if _MSC_VER && (defined(_M_IX86) || defined(_M_X64))
return __rdtsc();
#elif __GNUC__ && (__i386__ || FOLLY_X64)
return __builtin_ia32_rdtsc();
diff --git a/util/math.h b/util/math.h
index 64cdb2f44..514943164 100644
--- a/util/math.h
+++ b/util/math.h
@@ -13,24 +13,75 @@
namespace ROCKSDB_NAMESPACE {
+#if defined(_MSC_VER) && !defined(_M_X64)
+namespace detail {
+template <typename T>
+int BitsSetToOneFallback(T v) {
+ const int kBits = static_cast<int>(sizeof(T)) * 8;
+ static_assert((kBits & (kBits - 1)) == 0, "must be power of two bits");
+ // we static_cast these bit patterns in order to truncate them to the correct size
+ v = static_cast<T>(v - ((v >> 1) & static_cast<T>(0x5555555555555555ull)));
+ v = static_cast<T>((v & static_cast<T>(0x3333333333333333ull)) +
+ ((v >> 2) & static_cast<T>(0x3333333333333333ull)));
+ v = static_cast<T>((v + (v >> 4)) & static_cast<T>(0x0F0F0F0F0F0F0F0Full));
+ for (int shift_bits = 8; shift_bits < kBits; shift_bits <<= 1) {
+ v += static_cast<T>(v >> shift_bits);
+ }
+ // we want the bottom "slot" that's big enough to store kDigits
+ // (and including) kBits.
+ return static_cast<int>(v & static_cast<T>(kBits | (kBits - 1)));
+}
+
+} // namespace detail
+#endif
+
+// Number of bits set to 1. Also known as "population count".
template <typename T>
inline int BitsSetToOne(T v) {
static_assert(std::is_integral<T>::value, "non-integral type");
#ifdef _MSC_VER
static_assert(sizeof(T) <= sizeof(uint64_t), "type too big");
- if (sizeof(T) > sizeof(uint32_t)) {
- return static_cast<int>(__popcnt64(static_cast<uint64_t>(v)));
- } else {
+ if (sizeof(T) < sizeof(uint32_t)) {
+ // This bit mask is to avoid a compiler warning on unused path
+ constexpr auto mm = 8 * sizeof(uint32_t) - 1;
+ // The bit mask is to neutralize sign extension on small signed types
+ constexpr uint32_t m = (uint32_t{1} << ((8 * sizeof(T)) & mm)) - 1;
+#if defined(_M_X64) || defined(_M_IX86)
+ return static_cast<int>(__popcnt(static_cast<uint32_t>(v) & m));
+#else
+ return static_cast<int>(detail::BitsSetToOneFallback(v) & m);
+#endif
+ } else if (sizeof(T) == sizeof(uint32_t)) {
+#if defined(_M_X64) || defined(_M_IX86)
return static_cast<int>(__popcnt(static_cast<uint32_t>(v)));
+#else
+ return detail::BitsSetToOneFallback(static_cast<uint32_t>(v));
+#endif
+ } else {
+#ifdef _M_X64
+ return static_cast<int>(__popcnt64(static_cast<uint64_t>(v)));
+#elif defined(_M_IX86)
+ return static_cast<int>(
+ __popcnt(static_cast<uint32_t>(static_cast<uint64_t>(v) >> 32) +
+ __popcnt(static_cast<uint32_t>(v))));
+#else
+ return detail::BitsSetToOneFallback(static_cast<uint64_t>(v));
+#endif
}
#else
static_assert(sizeof(T) <= sizeof(unsigned long long), "type too big");
- if (sizeof(T) > sizeof(unsigned long)) {
- return __builtin_popcountll(static_cast<unsigned long long>(v));
- } else if (sizeof(T) > sizeof(unsigned int)) {
+ if (sizeof(T) < sizeof(unsigned int)) {
+ // This bit mask is to avoid a compiler warning on unused path
+ constexpr auto mm = 8 * sizeof(unsigned int) - 1;
+ // This bit mask is to neutralize sign extension on small signed types
+ constexpr unsigned int m = (1U << ((8 * sizeof(T)) & mm)) - 1;
+ return __builtin_popcount(static_cast<unsigned int>(v) & m);
+ } else if (sizeof(T) == sizeof(unsigned int)) {
+ return __builtin_popcount(static_cast<unsigned int>(v));
+ } else if (sizeof(T) <= sizeof(unsigned long)) {
return __builtin_popcountl(static_cast<unsigned long>(v));
} else {
- return __builtin_popcount(static_cast<unsigned int>(v));
+ return __builtin_popcountll(static_cast<unsigned long long>(v));
}
#endif
}
diff --git a/util/xxh3p.h b/util/xxh3p.h
index d1fc2bba2..c63f0e36d 100644
--- a/util/xxh3p.h
+++ b/util/xxh3p.h
@@ -253,7 +253,7 @@ XXH_FORCE_INLINE U64x2 XXH_vec_mule(U32x4 a, U32x4 b) {
#if defined(XXH_NO_PREFETCH)
# define XXH_PREFETCH(ptr) (void)(ptr) /* disabled */
#else
-# if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_I86)) /* _mm_prefetch() is not defined outside of x86/x64 */
+# if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_IX86)) /* _mm_prefetch() is not defined outside of x86/x64 */
# include <mmintrin.h> /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */
# define XXH_PREFETCH(ptr) _mm_prefetch((const char*)(ptr), _MM_HINT_T0)
# elif defined(__GNUC__) && ( (__GNUC__ >= 4) || ( (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1) ) )
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