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authorStefan Radomski <github@mintwerk.de>2017-05-19 08:49:52 (GMT)
committerStefan Radomski <github@mintwerk.de>2017-05-19 08:49:52 (GMT)
commit747781cbebe22efb4f2efb8f3269320962791914 (patch)
tree0c6df03ea42971d04695f3f6b295fc18c9113699 /contrib/src/boost/uuid/detail
parent827bd207b54839dfa3d24c1b65afb638b9b5cd0e (diff)
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Worked on issue 131
Update boost Spent a mutex for UUIDgen
Diffstat (limited to 'contrib/src/boost/uuid/detail')
-rw-r--r--contrib/src/boost/uuid/detail/config.hpp148
-rw-r--r--contrib/src/boost/uuid/detail/uuid_generic.hpp102
-rw-r--r--contrib/src/boost/uuid/detail/uuid_x86.hpp270
3 files changed, 260 insertions, 260 deletions
diff --git a/contrib/src/boost/uuid/detail/config.hpp b/contrib/src/boost/uuid/detail/config.hpp
index 602d4ab..022e46b 100644
--- a/contrib/src/boost/uuid/detail/config.hpp
+++ b/contrib/src/boost/uuid/detail/config.hpp
@@ -1,74 +1,74 @@
-/*
- * Copyright Andrey Semashev 2013.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- */
-/*!
- * \file uuid/detail/config.hpp
- *
- * \brief This header defines configuration macros for Boost.UUID.
- */
-
-#ifndef BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
-#define BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
-
-#include <boost/config.hpp>
-
-#ifdef BOOST_HAS_PRAGMA_ONCE
-#pragma once
-#endif
-
-#if !defined(BOOST_UUID_NO_SIMD)
-
-#if defined(__GNUC__) && defined(__SSE2__)
-
-// GCC and its pretenders go here
-#ifndef BOOST_UUID_USE_SSE2
-#define BOOST_UUID_USE_SSE2
-#endif
-
-#if defined(__SSE3__) && !defined(BOOST_UUID_USE_SSE3)
-#define BOOST_UUID_USE_SSE3
-#endif
-
-#if defined(__SSE4_1__) && !defined(BOOST_UUID_USE_SSE41)
-#define BOOST_UUID_USE_SSE41
-#endif
-
-#elif defined(_MSC_VER)
-
-#if (defined(_M_X64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2)) && !defined(BOOST_UUID_USE_SSE2)
-#define BOOST_UUID_USE_SSE2
-#endif
-
-#if defined(__AVX__)
-#if !defined(BOOST_UUID_USE_SSE41)
-#define BOOST_UUID_USE_SSE41
-#endif
-#if !defined(BOOST_UUID_USE_SSE3)
-#define BOOST_UUID_USE_SSE3
-#endif
-#if !defined(BOOST_UUID_USE_SSE2)
-#define BOOST_UUID_USE_SSE2
-#endif
-#endif
-
-#endif
-
-// More advanced ISA extensions imply less advanced are also available
-#if !defined(BOOST_UUID_USE_SSE3) && defined(BOOST_UUID_USE_SSE41)
-#define BOOST_UUID_USE_SSE3
-#endif
-
-#if !defined(BOOST_UUID_USE_SSE2) && defined(BOOST_UUID_USE_SSE3)
-#define BOOST_UUID_USE_SSE2
-#endif
-
-#if !defined(BOOST_UUID_NO_SIMD) && !defined(BOOST_UUID_USE_SSE41) && !defined(BOOST_UUID_USE_SSE3) && !defined(BOOST_UUID_USE_SSE2)
-#define BOOST_UUID_NO_SIMD
-#endif
-
-#endif // !defined(BOOST_UUID_NO_SIMD)
-
-#endif // BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
+/*
+ * Copyright Andrey Semashev 2013.
+ * Distributed under the Boost Software License, Version 1.0.
+ * (See accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ */
+/*!
+ * \file uuid/detail/config.hpp
+ *
+ * \brief This header defines configuration macros for Boost.UUID.
+ */
+
+#ifndef BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
+#define BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#if !defined(BOOST_UUID_NO_SIMD)
+
+#if defined(__GNUC__) && defined(__SSE2__)
+
+// GCC and its pretenders go here
+#ifndef BOOST_UUID_USE_SSE2
+#define BOOST_UUID_USE_SSE2
+#endif
+
+#if defined(__SSE3__) && !defined(BOOST_UUID_USE_SSE3)
+#define BOOST_UUID_USE_SSE3
+#endif
+
+#if defined(__SSE4_1__) && !defined(BOOST_UUID_USE_SSE41)
+#define BOOST_UUID_USE_SSE41
+#endif
+
+#elif defined(_MSC_VER)
+
+#if (defined(_M_X64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2)) && !defined(BOOST_UUID_USE_SSE2)
+#define BOOST_UUID_USE_SSE2
+#endif
+
+#if defined(__AVX__)
+#if !defined(BOOST_UUID_USE_SSE41)
+#define BOOST_UUID_USE_SSE41
+#endif
+#if !defined(BOOST_UUID_USE_SSE3)
+#define BOOST_UUID_USE_SSE3
+#endif
+#if !defined(BOOST_UUID_USE_SSE2)
+#define BOOST_UUID_USE_SSE2
+#endif
+#endif
+
+#endif
+
+// More advanced ISA extensions imply less advanced are also available
+#if !defined(BOOST_UUID_USE_SSE3) && defined(BOOST_UUID_USE_SSE41)
+#define BOOST_UUID_USE_SSE3
+#endif
+
+#if !defined(BOOST_UUID_USE_SSE2) && defined(BOOST_UUID_USE_SSE3)
+#define BOOST_UUID_USE_SSE2
+#endif
+
+#if !defined(BOOST_UUID_NO_SIMD) && !defined(BOOST_UUID_USE_SSE41) && !defined(BOOST_UUID_USE_SSE3) && !defined(BOOST_UUID_USE_SSE2)
+#define BOOST_UUID_NO_SIMD
+#endif
+
+#endif // !defined(BOOST_UUID_NO_SIMD)
+
+#endif // BOOST_UUID_DETAIL_CONFIG_HPP_INCLUDED_
diff --git a/contrib/src/boost/uuid/detail/uuid_generic.hpp b/contrib/src/boost/uuid/detail/uuid_generic.hpp
index 1c4d775..f6c3860 100644
--- a/contrib/src/boost/uuid/detail/uuid_generic.hpp
+++ b/contrib/src/boost/uuid/detail/uuid_generic.hpp
@@ -1,51 +1,51 @@
-/*
- * Copyright Andy Tompkins 2006.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- */
-/*!
- * \file uuid/detail/uuid_generic.hpp
- *
- * \brief This header contains generic implementation of \c boost::uuid operations.
- */
-
-#ifndef BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
-#define BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
-
-#include <string.h>
-
-namespace boost {
-namespace uuids {
-
-inline bool uuid::is_nil() const BOOST_NOEXCEPT
-{
- for (std::size_t i = 0; i < sizeof(data); ++i)
- {
- if (data[i] != 0U)
- return false;
- }
- return true;
-}
-
-inline void uuid::swap(uuid& rhs) BOOST_NOEXCEPT
-{
- uuid tmp = *this;
- *this = rhs;
- rhs = tmp;
-}
-
-inline bool operator== (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
-{
- return memcmp(lhs.data, rhs.data, sizeof(lhs.data)) == 0;
-}
-
-inline bool operator< (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
-{
- return memcmp(lhs.data, rhs.data, sizeof(lhs.data)) < 0;
-}
-
-} // namespace uuids
-} // namespace boost
-
-#endif // BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
+/*
+ * Copyright Andy Tompkins 2006.
+ * Distributed under the Boost Software License, Version 1.0.
+ * (See accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ */
+/*!
+ * \file uuid/detail/uuid_generic.hpp
+ *
+ * \brief This header contains generic implementation of \c boost::uuid operations.
+ */
+
+#ifndef BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
+#define BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
+
+#include <string.h>
+
+namespace boost {
+namespace uuids {
+
+inline bool uuid::is_nil() const BOOST_NOEXCEPT
+{
+ for (std::size_t i = 0; i < sizeof(data); ++i)
+ {
+ if (data[i] != 0U)
+ return false;
+ }
+ return true;
+}
+
+inline void uuid::swap(uuid& rhs) BOOST_NOEXCEPT
+{
+ uuid tmp = *this;
+ *this = rhs;
+ rhs = tmp;
+}
+
+inline bool operator== (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
+{
+ return memcmp(lhs.data, rhs.data, sizeof(lhs.data)) == 0;
+}
+
+inline bool operator< (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
+{
+ return memcmp(lhs.data, rhs.data, sizeof(lhs.data)) < 0;
+}
+
+} // namespace uuids
+} // namespace boost
+
+#endif // BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
diff --git a/contrib/src/boost/uuid/detail/uuid_x86.hpp b/contrib/src/boost/uuid/detail/uuid_x86.hpp
index 120b8d6..2df17d3 100644
--- a/contrib/src/boost/uuid/detail/uuid_x86.hpp
+++ b/contrib/src/boost/uuid/detail/uuid_x86.hpp
@@ -1,135 +1,135 @@
-/*
- * Copyright Andrey Semashev 2013.
- * Distributed under the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- */
-/*!
- * \file uuid/detail/uuid_x86.hpp
- *
- * \brief This header contains optimized SSE implementation of \c boost::uuid operations.
- */
-
-#ifndef BOOST_UUID_DETAIL_UUID_X86_HPP_INCLUDED_
-#define BOOST_UUID_DETAIL_UUID_X86_HPP_INCLUDED_
-
-// MSVC does not always have immintrin.h (at least, not up to MSVC 10), so include the appropriate header for each instruction set
-#if defined(BOOST_UUID_USE_SSE41)
-#include <smmintrin.h>
-#elif defined(BOOST_UUID_USE_SSE3)
-#include <pmmintrin.h>
-#else
-#include <emmintrin.h>
-#endif
-
-#if defined(BOOST_MSVC) && defined(_M_X64) && !defined(BOOST_UUID_USE_SSE3) && (BOOST_MSVC < 1900 /* Fixed in Visual Studio 2015 */ )
-// At least MSVC 9 (VS2008) and 12 (VS2013) have an optimizer bug that sometimes results in incorrect SIMD code
-// generated in Release x64 mode. In particular, it affects operator==, where the compiler sometimes generates
-// pcmpeqd with a memory opereand instead of movdqu followed by pcmpeqd. The problem is that uuid can be
-// not aligned to 16 bytes and pcmpeqd causes alignment violation in this case. We cannot be sure that other
-// MSVC versions are not affected so we apply the workaround for all versions, except VS2015 on up where
-// the bug has been fixed.
-//
-// https://svn.boost.org/trac/boost/ticket/8509#comment:3
-// https://connect.microsoft.com/VisualStudio/feedbackdetail/view/981648#tabs
-#define BOOST_UUID_DETAIL_MSVC_BUG981648
-#if BOOST_MSVC >= 1600
-extern "C" void _ReadWriteBarrier(void);
-#pragma intrinsic(_ReadWriteBarrier)
-#endif
-#endif
-
-namespace boost {
-namespace uuids {
-namespace detail {
-
-BOOST_FORCEINLINE __m128i load_unaligned_si128(const uint8_t* p) BOOST_NOEXCEPT
-{
-#if defined(BOOST_UUID_USE_SSE3)
- return _mm_lddqu_si128(reinterpret_cast< const __m128i* >(p));
-#elif !defined(BOOST_UUID_DETAIL_MSVC_BUG981648)
- return _mm_loadu_si128(reinterpret_cast< const __m128i* >(p));
-#elif defined(BOOST_MSVC) && BOOST_MSVC >= 1600
- __m128i mm = _mm_loadu_si128(reinterpret_cast< const __m128i* >(p));
- // Make sure this load doesn't get merged with the subsequent instructions
- _ReadWriteBarrier();
- return mm;
-#else
- // VS2008 x64 doesn't respect _ReadWriteBarrier above, so we have to generate this crippled code to load unaligned data
- return _mm_unpacklo_epi64(_mm_loadl_epi64(reinterpret_cast< const __m128i* >(p)), _mm_loadl_epi64(reinterpret_cast< const __m128i* >(p + 8)));
-#endif
-}
-
-} // namespace detail
-
-inline bool uuid::is_nil() const BOOST_NOEXCEPT
-{
- __m128i mm = uuids::detail::load_unaligned_si128(data);
-#if defined(BOOST_UUID_USE_SSE41)
- return _mm_test_all_zeros(mm, mm) != 0;
-#else
- mm = _mm_cmpeq_epi32(mm, _mm_setzero_si128());
- return _mm_movemask_epi8(mm) == 0xFFFF;
-#endif
-}
-
-inline void uuid::swap(uuid& rhs) BOOST_NOEXCEPT
-{
- __m128i mm_this = uuids::detail::load_unaligned_si128(data);
- __m128i mm_rhs = uuids::detail::load_unaligned_si128(rhs.data);
- _mm_storeu_si128(reinterpret_cast< __m128i* >(rhs.data), mm_this);
- _mm_storeu_si128(reinterpret_cast< __m128i* >(data), mm_rhs);
-}
-
-inline bool operator== (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
-{
- __m128i mm_left = uuids::detail::load_unaligned_si128(lhs.data);
- __m128i mm_right = uuids::detail::load_unaligned_si128(rhs.data);
-
-#if defined(BOOST_UUID_USE_SSE41)
- __m128i mm = _mm_xor_si128(mm_left, mm_right);
- return _mm_test_all_zeros(mm, mm) != 0;
-#else
- __m128i mm_cmp = _mm_cmpeq_epi32(mm_left, mm_right);
- return _mm_movemask_epi8(mm_cmp) == 0xFFFF;
-#endif
-}
-
-inline bool operator< (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
-{
- __m128i mm_left = uuids::detail::load_unaligned_si128(lhs.data);
- __m128i mm_right = uuids::detail::load_unaligned_si128(rhs.data);
-
- // To emulate lexicographical_compare behavior we have to perform two comparisons - the forward and reverse one.
- // Then we know which bytes are equivalent and which ones are different, and for those different the comparison results
- // will be opposite. Then we'll be able to find the first differing comparison result (for both forward and reverse ways),
- // and depending on which way it is for, this will be the result of the operation. There are a few notes to consider:
- //
- // 1. Due to little endian byte order the first bytes go into the lower part of the xmm registers,
- // so the comparison results in the least significant bits will actually be the most signigicant for the final operation result.
- // This means we have to determine which of the comparison results have the least significant bit on, and this is achieved with
- // the "(x - 1) ^ x" trick.
- // 2. Because there is only signed comparison in SSE/AVX, we have to invert byte comparison results whenever signs of the corresponding
- // bytes are different. I.e. in signed comparison it's -1 < 1, but in unsigned it is the opposite (255 > 1). To do that we XOR left and right,
- // making the most significant bit of each byte 1 if the signs are different, and later apply this mask with another XOR to the comparison results.
- // 3. pcmpgtw compares for "greater" relation, so we swap the arguments to get what we need.
-
- const __m128i mm_signs_mask = _mm_xor_si128(mm_left, mm_right);
-
- __m128i mm_cmp = _mm_cmpgt_epi8(mm_right, mm_left), mm_rcmp = _mm_cmpgt_epi8(mm_left, mm_right);
-
- mm_cmp = _mm_xor_si128(mm_signs_mask, mm_cmp);
- mm_rcmp = _mm_xor_si128(mm_signs_mask, mm_rcmp);
-
- uint32_t cmp = static_cast< uint32_t >(_mm_movemask_epi8(mm_cmp)), rcmp = static_cast< uint32_t >(_mm_movemask_epi8(mm_rcmp));
-
- cmp = (cmp - 1u) ^ cmp;
- rcmp = (rcmp - 1u) ^ rcmp;
-
- return cmp < rcmp;
-}
-
-} // namespace uuids
-} // namespace boost
-
-#endif // BOOST_UUID_DETAIL_UUID_X86_HPP_INCLUDED_
+/*
+ * Copyright Andrey Semashev 2013.
+ * Distributed under the Boost Software License, Version 1.0.
+ * (See accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ */
+/*!
+ * \file uuid/detail/uuid_x86.hpp
+ *
+ * \brief This header contains optimized SSE implementation of \c boost::uuid operations.
+ */
+
+#ifndef BOOST_UUID_DETAIL_UUID_X86_HPP_INCLUDED_
+#define BOOST_UUID_DETAIL_UUID_X86_HPP_INCLUDED_
+
+// MSVC does not always have immintrin.h (at least, not up to MSVC 10), so include the appropriate header for each instruction set
+#if defined(BOOST_UUID_USE_SSE41)
+#include <smmintrin.h>
+#elif defined(BOOST_UUID_USE_SSE3)
+#include <pmmintrin.h>
+#else
+#include <emmintrin.h>
+#endif
+
+#if defined(BOOST_MSVC) && defined(_M_X64) && !defined(BOOST_UUID_USE_SSE3) && (BOOST_MSVC < 1900 /* Fixed in Visual Studio 2015 */ )
+// At least MSVC 9 (VS2008) and 12 (VS2013) have an optimizer bug that sometimes results in incorrect SIMD code
+// generated in Release x64 mode. In particular, it affects operator==, where the compiler sometimes generates
+// pcmpeqd with a memory opereand instead of movdqu followed by pcmpeqd. The problem is that uuid can be
+// not aligned to 16 bytes and pcmpeqd causes alignment violation in this case. We cannot be sure that other
+// MSVC versions are not affected so we apply the workaround for all versions, except VS2015 on up where
+// the bug has been fixed.
+//
+// https://svn.boost.org/trac/boost/ticket/8509#comment:3
+// https://connect.microsoft.com/VisualStudio/feedbackdetail/view/981648#tabs
+#define BOOST_UUID_DETAIL_MSVC_BUG981648
+#if BOOST_MSVC >= 1600
+extern "C" void _ReadWriteBarrier(void);
+#pragma intrinsic(_ReadWriteBarrier)
+#endif
+#endif
+
+namespace boost {
+namespace uuids {
+namespace detail {
+
+BOOST_FORCEINLINE __m128i load_unaligned_si128(const uint8_t* p) BOOST_NOEXCEPT
+{
+#if defined(BOOST_UUID_USE_SSE3)
+ return _mm_lddqu_si128(reinterpret_cast< const __m128i* >(p));
+#elif !defined(BOOST_UUID_DETAIL_MSVC_BUG981648)
+ return _mm_loadu_si128(reinterpret_cast< const __m128i* >(p));
+#elif defined(BOOST_MSVC) && BOOST_MSVC >= 1600
+ __m128i mm = _mm_loadu_si128(reinterpret_cast< const __m128i* >(p));
+ // Make sure this load doesn't get merged with the subsequent instructions
+ _ReadWriteBarrier();
+ return mm;
+#else
+ // VS2008 x64 doesn't respect _ReadWriteBarrier above, so we have to generate this crippled code to load unaligned data
+ return _mm_unpacklo_epi64(_mm_loadl_epi64(reinterpret_cast< const __m128i* >(p)), _mm_loadl_epi64(reinterpret_cast< const __m128i* >(p + 8)));
+#endif
+}
+
+} // namespace detail
+
+inline bool uuid::is_nil() const BOOST_NOEXCEPT
+{
+ __m128i mm = uuids::detail::load_unaligned_si128(data);
+#if defined(BOOST_UUID_USE_SSE41)
+ return _mm_test_all_zeros(mm, mm) != 0;
+#else
+ mm = _mm_cmpeq_epi32(mm, _mm_setzero_si128());
+ return _mm_movemask_epi8(mm) == 0xFFFF;
+#endif
+}
+
+inline void uuid::swap(uuid& rhs) BOOST_NOEXCEPT
+{
+ __m128i mm_this = uuids::detail::load_unaligned_si128(data);
+ __m128i mm_rhs = uuids::detail::load_unaligned_si128(rhs.data);
+ _mm_storeu_si128(reinterpret_cast< __m128i* >(rhs.data), mm_this);
+ _mm_storeu_si128(reinterpret_cast< __m128i* >(data), mm_rhs);
+}
+
+inline bool operator== (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
+{
+ __m128i mm_left = uuids::detail::load_unaligned_si128(lhs.data);
+ __m128i mm_right = uuids::detail::load_unaligned_si128(rhs.data);
+
+#if defined(BOOST_UUID_USE_SSE41)
+ __m128i mm = _mm_xor_si128(mm_left, mm_right);
+ return _mm_test_all_zeros(mm, mm) != 0;
+#else
+ __m128i mm_cmp = _mm_cmpeq_epi32(mm_left, mm_right);
+ return _mm_movemask_epi8(mm_cmp) == 0xFFFF;
+#endif
+}
+
+inline bool operator< (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
+{
+ __m128i mm_left = uuids::detail::load_unaligned_si128(lhs.data);
+ __m128i mm_right = uuids::detail::load_unaligned_si128(rhs.data);
+
+ // To emulate lexicographical_compare behavior we have to perform two comparisons - the forward and reverse one.
+ // Then we know which bytes are equivalent and which ones are different, and for those different the comparison results
+ // will be opposite. Then we'll be able to find the first differing comparison result (for both forward and reverse ways),
+ // and depending on which way it is for, this will be the result of the operation. There are a few notes to consider:
+ //
+ // 1. Due to little endian byte order the first bytes go into the lower part of the xmm registers,
+ // so the comparison results in the least significant bits will actually be the most signigicant for the final operation result.
+ // This means we have to determine which of the comparison results have the least significant bit on, and this is achieved with
+ // the "(x - 1) ^ x" trick.
+ // 2. Because there is only signed comparison in SSE/AVX, we have to invert byte comparison results whenever signs of the corresponding
+ // bytes are different. I.e. in signed comparison it's -1 < 1, but in unsigned it is the opposite (255 > 1). To do that we XOR left and right,
+ // making the most significant bit of each byte 1 if the signs are different, and later apply this mask with another XOR to the comparison results.
+ // 3. pcmpgtw compares for "greater" relation, so we swap the arguments to get what we need.
+
+ const __m128i mm_signs_mask = _mm_xor_si128(mm_left, mm_right);
+
+ __m128i mm_cmp = _mm_cmpgt_epi8(mm_right, mm_left), mm_rcmp = _mm_cmpgt_epi8(mm_left, mm_right);
+
+ mm_cmp = _mm_xor_si128(mm_signs_mask, mm_cmp);
+ mm_rcmp = _mm_xor_si128(mm_signs_mask, mm_rcmp);
+
+ uint32_t cmp = static_cast< uint32_t >(_mm_movemask_epi8(mm_cmp)), rcmp = static_cast< uint32_t >(_mm_movemask_epi8(mm_rcmp));
+
+ cmp = (cmp - 1u) ^ cmp;
+ rcmp = (rcmp - 1u) ^ rcmp;
+
+ return cmp < rcmp;
+}
+
+} // namespace uuids
+} // namespace boost
+
+#endif // BOOST_UUID_DETAIL_UUID_X86_HPP_INCLUDED_