Merge branch 'master' into applecl

libraries/asmjit/base/containers.cpp

+// [AsmJit]
+// Complete x86/x64 JIT and Remote Assembler for C++.
+//
+// [License]
+// Zlib - See LICENSE.md file in the package.
+
+// [Export]
+#define ASMJIT_EXPORTS
+
+// [Dependencies - AsmJit]
+#include "../base/containers.h"
+#include "../base/intutil.h"
+
+// [Api-Begin]
+#include "../apibegin.h"
+
+namespace asmjit {
+
+// ============================================================================
+// [asmjit::PodVectorBase - NullData]
+// ============================================================================
+
+const PodVectorData PodVectorBase::_nullData = { 0, 0 };
+
+// ============================================================================
+// [asmjit::PodVectorBase - Reset]
+// ============================================================================
+
+//! Clear vector data and free internal buffer.
+void PodVectorBase::reset(bool releaseMemory) {
+  PodVectorData* d = _d;
+
+  if (d == &_nullData)
+    return;
+
+  if (releaseMemory) {
+    ASMJIT_FREE(d);
+    _d = const_cast<PodVectorData*>(&_nullData);
+    return;
+  }
+
+  d->length = 0;
+}
+
+// ============================================================================
+// [asmjit::PodVectorBase - Helpers]
+// ============================================================================
+
+Error PodVectorBase::_grow(size_t n, size_t sizeOfT) {
+  PodVectorData* d = _d;
+
+  size_t threshold = kMemAllocGrowMax / sizeOfT;
+  size_t capacity = d->capacity;
+  size_t after = d->length;
+
+  if (IntUtil::maxUInt<size_t>() - n < after)
+    return kErrorNoHeapMemory;
+
+  after += n;
+
+  if (capacity >= after)
+    return kErrorOk;
+
+  // PodVector is used as a linear array for some data structures used by
+  // AsmJit code generation. The purpose of this agressive growing schema
+  // is to minimize memory reallocations, because AsmJit code generation
+  // classes live short life and will be freed or reused soon.
+  if (capacity < 32)
+    capacity = 32;
+  else if (capacity < 128)
+    capacity = 128;
+  else if (capacity < 512)
+    capacity = 512;
+
+  while (capacity < after) {
+    if (capacity < threshold)
+      capacity *= 2;
+    else
+      capacity += threshold;
+  }
+
+  return _reserve(capacity, sizeOfT);
+}
+
+Error PodVectorBase::_reserve(size_t n, size_t sizeOfT) {
+  PodVectorData* d = _d;
+
+  if (d->capacity >= n)
+    return kErrorOk;
+
+  size_t nBytes = sizeof(PodVectorData) + n * sizeOfT;
+  if (nBytes < n)
+    return kErrorNoHeapMemory;
+
+  if (d == &_nullData) {
+    d = static_cast<PodVectorData*>(ASMJIT_ALLOC(nBytes));
+    if (d == NULL)
+      return kErrorNoHeapMemory;
+    d->length = 0;
+  }
+  else {
+    d = static_cast<PodVectorData*>(ASMJIT_REALLOC(d, nBytes));
+    if (d == NULL)
+      return kErrorNoHeapMemory;
+  }
+
+  d->capacity = n;
+  _d = d;
+
+  return kErrorOk;
+}
+
+} // asmjit namespace
+
+// [Api-End]
+#include "../apiend.h"

libraries/asmjit/base/cpuinfo.cpp

+// [AsmJit]
+// Complete x86/x64 JIT and Remote Assembler for C++.
+//
+// [License]
+// Zlib - See LICENSE.md file in the package.
+
+// [Export]
+#define ASMJIT_EXPORTS
+
+// [Dependencies - AsmJit]
+#include "../base/cpuinfo.h"
+
+#if defined(ASMJIT_ARCH_X86) || defined(ASMJIT_ARCH_X64)
+#include "../x86/x86cpuinfo.h"
+#else
+// ?
+#endif
+
+// [Dependencies - Posix]
+#if defined(ASMJIT_OS_POSIX)
+# include <errno.h>
+# include <sys/statvfs.h>
+# include <sys/utsname.h>
+# include <unistd.h>
+#endif // ASMJIT_OS_POSIX
+
+// [Api-Begin]
+#include "../apibegin.h"
+
+namespace asmjit {
+
+// ============================================================================
+// [asmjit::CpuInfo - DetectHwThreadsCount]
+// ============================================================================
+
+uint32_t CpuInfo::detectHwThreadsCount() {
+#if defined(ASMJIT_OS_WINDOWS)
+  SYSTEM_INFO info;
+  ::GetSystemInfo(&info);
+  return info.dwNumberOfProcessors;
+#elif defined(ASMJIT_OS_POSIX) && defined(_SC_NPROCESSORS_ONLN)
+  // It seems that sysconf returns the number of "logical" processors on both
+  // mac and linux.  So we get the number of "online logical" processors.
+  long res = ::sysconf(_SC_NPROCESSORS_ONLN);
+  if (res == -1) return 1;
+
+  return static_cast<uint32_t>(res);
+#else
+  return 1;
+#endif
+}
+
+// ============================================================================
+// [asmjit::CpuInfo - GetHost]
+// ============================================================================
+
+#if defined(ASMJIT_ARCH_X86) || defined(ASMJIT_ARCH_X64)
+struct AutoX86CpuInfo : public X86CpuInfo {
+  ASMJIT_INLINE AutoX86CpuInfo() : X86CpuInfo() {
+    X86CpuUtil::detect(this);
+  }
+};
+#else
+#error "AsmJit - Unsupported CPU."
+#endif
+
+const CpuInfo* CpuInfo::getHost() {
+#if defined(ASMJIT_ARCH_X86) || defined(ASMJIT_ARCH_X64)
+  static AutoX86CpuInfo cpuInfo;
+#else
+#error "AsmJit - Unsupported CPU."
+#endif
+  return &cpuInfo;
+}
+
+} // asmjit namespace
+
+// [Api-End]
+#include "../apiend.h"

libraries/asmjit/base/cputicks.h

+// [AsmJit]
+// Complete x86/x64 JIT and Remote Assembler for C++.
+//
+// [License]
+// Zlib - See LICENSE.md file in the package.
+
+// [Guard]
+#ifndef _ASMJIT_BASE_CPUTICKS_H
+#define _ASMJIT_BASE_CPUTICKS_H
+
+// [Dependencies - AsmJit]
+#include "../base/globals.h"
+
+// [Api-Begin]
+#include "../apibegin.h"
+
+namespace asmjit {
+
+//! \addtogroup asmjit_base_util
+//! \{
+
+// ============================================================================
+// [asmjit::CpuTicks]
+// ============================================================================
+
+//! CPU ticks utilities.
+struct CpuTicks {
+  //! Get the current CPU ticks for benchmarking (1ms resolution).
+  static ASMJIT_API uint32_t now();
+};
+
+//! \}
+
+} // asmjit namespace
+
+// [Api-End]
+#include "../apiend.h"
+
+// [Guard]
+#endif // _ASMJIT_BASE_CPUTICKS_H