diff options
Diffstat (limited to 'src/corelib/global')
| -rw-r--r-- | src/corelib/global/global.pri | 14 | ||||
| -rw-r--r-- | src/corelib/global/qcompilerdetection.h | 17 | ||||
| -rw-r--r-- | src/corelib/global/qconfig-bootstrapped.h | 9 | ||||
| -rw-r--r-- | src/corelib/global/qflags.h | 2 | ||||
| -rw-r--r-- | src/corelib/global/qfloat16.cpp | 117 | ||||
| -rw-r--r-- | src/corelib/global/qfloat16.h | 225 | ||||
| -rw-r--r-- | src/corelib/global/qfloat16_p.h | 95 | ||||
| -rw-r--r-- | src/corelib/global/qglobal.cpp | 7 | ||||
| -rw-r--r-- | src/corelib/global/qglobal.h | 3 | ||||
| -rw-r--r-- | src/corelib/global/qlibraryinfo.cpp | 156 | ||||
| -rw-r--r-- | src/corelib/global/qlibraryinfo.h | 2 | ||||
| -rw-r--r-- | src/corelib/global/qnamespace.qdoc | 7 | ||||
| -rw-r--r-- | src/corelib/global/qnumeric_p.h | 4 | ||||
| -rw-r--r-- | src/corelib/global/qprocessordetection.h | 6 | ||||
| -rw-r--r-- | src/corelib/global/qtypeinfo.h | 2 |
15 files changed, 533 insertions, 133 deletions
diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri index d23706e631..9ae1e3a4ae 100644 --- a/src/corelib/global/global.pri +++ b/src/corelib/global/global.pri @@ -11,6 +11,8 @@ HEADERS += \ global/qendian.h \ global/qnumeric_p.h \ global/qnumeric.h \ + global/qfloat16_p.h \ + global/qfloat16.h \ global/qglobalstatic.h \ global/qlibraryinfo.h \ global/qlogging.h \ @@ -29,6 +31,7 @@ SOURCES += \ global/qlibraryinfo.cpp \ global/qmalloc.cpp \ global/qnumeric.cpp \ + global/qfloat16.cpp \ global/qoperatingsystemversion.cpp \ global/qlogging.cpp \ global/qhooks.cpp @@ -76,3 +79,14 @@ gcc:ltcg { } else { SOURCES += $$VERSIONTAGGING_SOURCES } + +QMAKE_QFLOAT16_TABLES_GENERATE = global/qfloat16.h + +qtPrepareTool(QMAKE_QFLOAT16_TABLES, qfloat16-tables) + +qfloat16_tables.commands = $$QMAKE_QFLOAT16_TABLES ${QMAKE_FILE_OUT} +qfloat16_tables.output = global/qfloat16tables.cpp +qfloat16_tables.depends = $$QMAKE_QFLOAT16_TABLES +qfloat16_tables.input = QMAKE_QFLOAT16_TABLES_GENERATE +qfloat16_tables.variable_out = SOURCES +QMAKE_EXTRA_COMPILERS += qfloat16_tables diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index 723611e1d8..a9922bb31d 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -996,11 +996,20 @@ #ifdef __cplusplus # include <utility> # if defined(Q_OS_QNX) -// QNX: test if we are using libcpp (Dinkumware-based). -// Older versions (QNX 650) do not support C++11 features +// By default, QNX 7.0 uses libc++ (from LLVM) and +// QNX 6.X uses Dinkumware's libcpp. In all versions, +// it is also possible to use GNU libstdc++. + +// For Dinkumware, some features must be disabled +// (mostly because of library problems). +// Dinkumware is assumed when __GLIBCXX__ (GNU libstdc++) +// and _LIBCPP_VERSION (LLVM libc++) are both absent. +# if !defined(__GLIBCXX__) && !defined(_LIBCPP_VERSION) + +// Older versions of libcpp (QNX 650) do not support C++11 features // _HAS_* macros are set to 1 by toolchains that actually include // Dinkum C++11 libcpp. -# if !defined(__GLIBCXX__) + # if !defined(_HAS_CPP0X) || !_HAS_CPP0X // Disable C++11 features that depend on library support # undef Q_COMPILER_INITIALIZER_LISTS @@ -1017,7 +1026,7 @@ // Disable constexpr support on QNX even if the compiler supports it # undef Q_COMPILER_CONSTEXPR # endif // !_HAS_CONSTEXPR -# endif // !__GLIBCXX__ +# endif // !__GLIBCXX__ && !_LIBCPP_VERSION # endif // Q_OS_QNX # if (defined(Q_CC_CLANG) || defined(Q_CC_INTEL)) && defined(Q_OS_MAC) && defined(__GNUC_LIBSTD__) \ && ((__GNUC_LIBSTD__-0) * 100 + __GNUC_LIBSTD_MINOR__-0 <= 402) diff --git a/src/corelib/global/qconfig-bootstrapped.h b/src/corelib/global/qconfig-bootstrapped.h index d0e45478cc..d7849d4699 100644 --- a/src/corelib/global/qconfig-bootstrapped.h +++ b/src/corelib/global/qconfig-bootstrapped.h @@ -83,11 +83,14 @@ #define QT_NO_TRANSLATION #define QT_FEATURE_translation -1 #define QT_NO_GEOM_VARIANT +#define QT_FEATURE_sharedmemory -1 +#define QT_FEATURE_systemsemaphore -1 -#if defined(QT_BUILD_QMAKE) || defined(QT_BUILD_CONFIGURE) +#ifdef QT_BUILD_QMAKE #define QT_FEATURE_commandlineparser -1 #define QT_NO_COMPRESS #define QT_JSON_READONLY +#define QT_NO_STANDARDPATHS #define QT_NO_TEXTCODEC #define QT_FEATURE_textcodec -1 #else @@ -97,8 +100,4 @@ #define QT_FEATURE_textcodec 1 #endif -#if defined(QT_BUILD_QMAKE) -#define QT_NO_STANDARDPATHS -#endif - #endif // QT_BOOTSTRAPPED diff --git a/src/corelib/global/qflags.h b/src/corelib/global/qflags.h index 89a0ae9083..93dbedc930 100644 --- a/src/corelib/global/qflags.h +++ b/src/corelib/global/qflags.h @@ -46,8 +46,6 @@ #include <initializer_list> #endif -#include <type_traits> - QT_BEGIN_NAMESPACE class QFlag diff --git a/src/corelib/global/qfloat16.cpp b/src/corelib/global/qfloat16.cpp new file mode 100644 index 0000000000..5264b56104 --- /dev/null +++ b/src/corelib/global/qfloat16.cpp @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2016 by Southwest Research Institute (R) +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qfloat16_p.h" + +QT_BEGIN_NAMESPACE + +/*! \headerfile <QFloat16> + + This header file provides support for half-precision (16-bit) floating + point data with the class \c qfloat16. It is fully compliant with IEEE + 754 as a storage type. This implies that any arithmetic operation on a + \c qfloat16 instance results in the value first being converted to a + \c float. This conversion to and from \c float is performed by hardware + when possible, but on processors that do not natively support half-precision, + the conversion is performed through a sequence of lookup table operations. + + \c qfloat16 should be treated as if it were a POD (plain old data) type. + Consequently, none of the supported operations need any elaboration beyond + stating that it supports all arithmetic operators incident to floating point + types. + + \since 5.9 +*/ + +Q_STATIC_ASSERT_X(sizeof(float) == sizeof(quint32), + "qfloat16 assumes that floats are 32 bits wide"); +Q_STATIC_ASSERT_X(std::numeric_limits<float>::is_iec559, + "Only works with IEEE 754 floating point"); + +/*! + Returns true if the \c qfloat16 \a {f} is equivalent to infinity. + \relates <QFloat16> + + \sa qIsInf +*/ +Q_REQUIRED_RESULT bool qIsInf(qfloat16 f) Q_DECL_NOTHROW { return qt_is_inf(f); } + +/*! + Returns true if the \c qfloat16 \a {f} is not a number (NaN). + \relates <QFloat16> + + \sa qIsNaN +*/ +Q_REQUIRED_RESULT bool qIsNaN(qfloat16 f) Q_DECL_NOTHROW { return qt_is_nan(f); } + +/*! + Returns true if the \c qfloat16 \a {f} is a finite number. + \relates <QFloat16> + + \sa qIsFinite +*/ +Q_REQUIRED_RESULT bool qIsFinite(qfloat16 f) Q_DECL_NOTHROW { return qt_is_finite(f); } + +/*! \fn int qRound(qfloat16 value) + \relates <QFloat16> + + Rounds \a value to the nearest integer. + + \sa qRound +*/ + +/*! \fn qint64 qRound64(qfloat16 value) + \relates <QFloat16> + + Rounds \a value to the nearest 64-bit integer. + + \sa qRound64 +*/ + +/*! \fn bool qFuzzyCompare(qfloat16 p1, qfloat16 p2) + \relates <QFloat16> + + Compares the floating point value \a p1 and \a p2 and + returns \c true if they are considered equal, otherwise \c false. + + The two numbers are compared in a relative way, where the + exactness is stronger the smaller the numbers are. + */ + +QT_END_NAMESPACE diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h new file mode 100644 index 0000000000..5059108fb8 --- /dev/null +++ b/src/corelib/global/qfloat16.h @@ -0,0 +1,225 @@ +/**************************************************************************** +** +** Copyright (C) 2016 by Southwest Research Institute (R) +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFLOAT16_H +#define QFLOAT16_H + +#include <QtCore/qglobal.h> +#include <QtCore/qmetatype.h> +#include <string.h> + +QT_BEGIN_NAMESPACE + +#if 0 +#pragma qt_class(QFloat16) +#endif + +class qfloat16 +{ +public: +#ifndef Q_QDOC + Q_DECL_CONSTEXPR inline qfloat16() Q_DECL_NOTHROW : b16(0) { } + inline qfloat16(float f) Q_DECL_NOTHROW; + inline operator float() const Q_DECL_NOTHROW; + inline operator double() const Q_DECL_NOTHROW; + inline operator long double() const Q_DECL_NOTHROW; +#endif + +private: + quint16 b16; + + Q_CORE_EXPORT static const quint32 mantissatable[]; + Q_CORE_EXPORT static const quint32 exponenttable[]; + Q_CORE_EXPORT static const quint32 offsettable[]; + Q_CORE_EXPORT static const quint32 basetable[]; + Q_CORE_EXPORT static const quint32 shifttable[]; + + friend bool qIsNull(qfloat16 f) Q_DECL_NOTHROW; + friend qfloat16 operator-(qfloat16 a) Q_DECL_NOTHROW; +}; + +Q_DECLARE_TYPEINFO(qfloat16, Q_PRIMITIVE_TYPE); + +Q_CORE_EXPORT Q_REQUIRED_RESULT bool qIsInf(qfloat16 f) Q_DECL_NOTHROW; // complements qnumeric.h +Q_CORE_EXPORT Q_REQUIRED_RESULT bool qIsNaN(qfloat16 f) Q_DECL_NOTHROW; // complements qnumeric.h +Q_CORE_EXPORT Q_REQUIRED_RESULT bool qIsFinite(qfloat16 f) Q_DECL_NOTHROW; // complements qnumeric.h + +// The remainder of these utility functions complement qglobal.h +inline Q_REQUIRED_RESULT int qRound(qfloat16 d) Q_DECL_NOTHROW +{ return qRound(static_cast<float>(d)); } + +inline Q_REQUIRED_RESULT qint64 qRound64(qfloat16 d) Q_DECL_NOTHROW +{ return qRound64(static_cast<float>(d)); } + +inline Q_REQUIRED_RESULT bool qFuzzyCompare(qfloat16 p1, qfloat16 p2) Q_DECL_NOTHROW +{ + float f1 = static_cast<float>(p1); + float f2 = static_cast<float>(p2); + // The significand precision for IEEE754 half precision is + // 11 bits (10 explicitly stored), or approximately 3 decimal + // digits. In selecting the fuzzy comparison factor of 102.5f + // (that is, (2^10+1)/10) below, we effectively select a + // window of about 1 (least significant) decimal digit about + // which the two operands can vary and still return true. + return (qAbs(f1 - f2) * 102.5f <= qMin(qAbs(f1), qAbs(f2))); +} + +inline Q_REQUIRED_RESULT bool qIsNull(qfloat16 f) Q_DECL_NOTHROW +{ + return (f.b16 & static_cast<quint16>(0x7fff)) == 0; +} + +inline int qIntCast(qfloat16 f) Q_DECL_NOTHROW +{ return int(static_cast<float>(f)); } + +inline qfloat16::qfloat16(float f) Q_DECL_NOTHROW +{ + quint32 u; + memcpy(&u, &f, sizeof(quint32)); + b16 = basetable[(u >> 23) & 0x1ff] + + ((u & 0x007fffff) >> shifttable[(u >> 23) & 0x1ff]); +} + +inline qfloat16::operator float() const Q_DECL_NOTHROW +{ + quint32 u = mantissatable[offsettable[b16 >> 10] + (b16 & 0x3ff)] + + exponenttable[b16 >> 10]; + float f; + memcpy(&f, &u, sizeof(quint32)); + return f; +} + +inline qfloat16::operator double() const Q_DECL_NOTHROW +{ + return static_cast<double>(float(*this)); +} + +inline qfloat16::operator long double() const Q_DECL_NOTHROW +{ + return static_cast<long double>(float(*this)); +} + +inline qfloat16 operator-(qfloat16 a) Q_DECL_NOTHROW +{ + qfloat16 f; + f.b16 = a.b16 ^ quint16(0x8000); + return f; +} + +inline qfloat16 operator+(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) + static_cast<float>(b)); } +inline qfloat16 operator-(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) - static_cast<float>(b)); } +inline qfloat16 operator*(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) * static_cast<float>(b)); } +inline qfloat16 operator/(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return qfloat16(static_cast<float>(a) / static_cast<float>(b)); } + +#define QF16_MAKE_ARITH_OP_FP(FP, OP) \ + inline FP operator OP(qfloat16 lhs, FP rhs) Q_DECL_NOTHROW { return static_cast<FP>(lhs) OP rhs; } \ + inline FP operator OP(FP lhs, qfloat16 rhs) Q_DECL_NOTHROW { return lhs OP static_cast<FP>(rhs); } +#define QF16_MAKE_ARITH_OP_EQ_FP(FP, OP_EQ, OP) \ + inline qfloat16& operator OP_EQ(qfloat16& lhs, FP rhs) Q_DECL_NOTHROW { lhs = qfloat16(static_cast<FP>(lhs) OP rhs); return lhs; } +#define QF16_MAKE_ARITH_OP(FP) \ + QF16_MAKE_ARITH_OP_FP(FP, +) \ + QF16_MAKE_ARITH_OP_FP(FP, -) \ + QF16_MAKE_ARITH_OP_FP(FP, *) \ + QF16_MAKE_ARITH_OP_FP(FP, /) \ + QF16_MAKE_ARITH_OP_EQ_FP(FP, +=, +) \ + QF16_MAKE_ARITH_OP_EQ_FP(FP, -=, -) \ + QF16_MAKE_ARITH_OP_EQ_FP(FP, *=, *) \ + QF16_MAKE_ARITH_OP_EQ_FP(FP, /=, /) +QF16_MAKE_ARITH_OP(long double) +QF16_MAKE_ARITH_OP(double) +QF16_MAKE_ARITH_OP(float) +#undef QF16_MAKE_ARITH_OP +#undef QF16_MAKE_ARITH_OP_FP + +#define QF16_MAKE_ARITH_OP_INT(OP) \ + inline double operator OP(qfloat16 lhs, int rhs) Q_DECL_NOTHROW { return static_cast<double>(lhs) OP rhs; } \ + inline double operator OP(int lhs, qfloat16 rhs) Q_DECL_NOTHROW { return lhs OP static_cast<double>(rhs); } +QF16_MAKE_ARITH_OP_INT(+) +QF16_MAKE_ARITH_OP_INT(-) +QF16_MAKE_ARITH_OP_INT(*) +QF16_MAKE_ARITH_OP_INT(/) +#undef QF16_MAKE_ARITH_OP_INT + +inline bool operator>(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) > static_cast<float>(b); } +inline bool operator<(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) < static_cast<float>(b); } +inline bool operator>=(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) >= static_cast<float>(b); } +inline bool operator<=(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) <= static_cast<float>(b); } +inline bool operator==(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) == static_cast<float>(b); } +inline bool operator!=(qfloat16 a, qfloat16 b) Q_DECL_NOTHROW { return static_cast<float>(a) != static_cast<float>(b); } + +#define QF16_MAKE_BOOL_OP_FP(FP, OP) \ + inline bool operator OP(qfloat16 lhs, FP rhs) Q_DECL_NOTHROW { return static_cast<FP>(lhs) OP rhs; } \ + inline bool operator OP(FP lhs, qfloat16 rhs) Q_DECL_NOTHROW { return lhs OP static_cast<FP>(rhs); } +#define QF16_MAKE_BOOL_OP(FP) \ + QF16_MAKE_BOOL_OP_FP(FP, <) \ + QF16_MAKE_BOOL_OP_FP(FP, >) \ + QF16_MAKE_BOOL_OP_FP(FP, >=) \ + QF16_MAKE_BOOL_OP_FP(FP, <=) \ + QF16_MAKE_BOOL_OP_FP(FP, ==) \ + QF16_MAKE_BOOL_OP_FP(FP, !=) +QF16_MAKE_BOOL_OP(long double) +QF16_MAKE_BOOL_OP(double) +QF16_MAKE_BOOL_OP(float) +#undef QF16_MAKE_BOOL_OP +#undef QF16_MAKE_BOOL_OP_FP + +#define QF16_MAKE_BOOL_OP_INT(OP) \ + inline bool operator OP(qfloat16 a, int b) Q_DECL_NOTHROW { return static_cast<float>(a) OP b; } \ + inline bool operator OP(int a, qfloat16 b) Q_DECL_NOTHROW { return a OP static_cast<float>(b); } +QF16_MAKE_BOOL_OP_INT(>) +QF16_MAKE_BOOL_OP_INT(<) +QF16_MAKE_BOOL_OP_INT(>=) +QF16_MAKE_BOOL_OP_INT(<=) +QF16_MAKE_BOOL_OP_INT(==) +QF16_MAKE_BOOL_OP_INT(!=) +#undef QF16_MAKE_BOOL_OP_INT + +/*! + \internal +*/ +inline Q_REQUIRED_RESULT bool qFuzzyIsNull(qfloat16 f) Q_DECL_NOTHROW +{ + return qAbs(static_cast<float>(f)) <= 0.001f; +} + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(qfloat16) + +#endif // QFLOAT16_H diff --git a/src/corelib/global/qfloat16_p.h b/src/corelib/global/qfloat16_p.h new file mode 100644 index 0000000000..ae52e64435 --- /dev/null +++ b/src/corelib/global/qfloat16_p.h @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** Copyright (C) 2016 by Southwest Research Institute (R) +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFLOAT16_P_H +#define QFLOAT16_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qfloat16.h> +#include <QtCore/qsysinfo.h> + +QT_BEGIN_NAMESPACE + +static inline bool qt_is_inf(qfloat16 d) Q_DECL_NOTHROW +{ + bool is_inf; + uchar *ch = (uchar *)&d; + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) + is_inf = (ch[0] & 0x7c) == 0x7c; + else + is_inf = (ch[1] & 0x7c) == 0x7c; + return is_inf; +} + +static inline bool qt_is_nan(qfloat16 d) Q_DECL_NOTHROW +{ + bool is_nan; + uchar *ch = (uchar *)&d; + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) + is_nan = (ch[0] & 0x7c) == 0x7c && (ch[0] & 0x02) != 0; + else + is_nan = (ch[1] & 0x7c) == 0x7c && (ch[1] & 0x02) != 0; + return is_nan; +} + +static inline bool qt_is_finite(qfloat16 d) Q_DECL_NOTHROW +{ + bool is_finite; + uchar *ch = (uchar *)&d; + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) + is_finite = (ch[0] & 0x7c) != 0x7c; + else + is_finite = (ch[1] & 0x7c) != 0x7c; + return is_finite; +} + + +QT_END_NAMESPACE + +#endif // QFLOAT16_P_H diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index b34e8ec659..010f2c18c4 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -1516,6 +1516,13 @@ bool qSharedBuild() Q_DECL_NOTHROW */ /*! + \macro Q_CC_CLANG + \relates <QtGlobal> + + Defined if the application is compiled using Clang. +*/ + +/*! \macro Q_CC_BOR \relates <QtGlobal> diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index a020be7fb2..9ac29acd16 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -44,7 +44,6 @@ #ifdef __cplusplus # include <type_traits> # include <cstddef> -# include <type_traits> # include <utility> #endif @@ -83,7 +82,7 @@ 1: The feature is available */ #define QT_CONFIG(feature) (1/QT_FEATURE_##feature == 1) -#define QT_REQUIRE_CONFIG(feature) Q_STATIC_ASSERT_X(QT_FEATURE_##feature == 1, "Required feature " #feature " for file " __FILE__ " not vailable.") +#define QT_REQUIRE_CONFIG(feature) Q_STATIC_ASSERT_X(QT_FEATURE_##feature == 1, "Required feature " #feature " for file " __FILE__ " not available.") #if QT_VERSION >= QT_VERSION_CHECK(6,0,0) # define QT_NO_UNSHARABLE_CONTAINERS diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp index 87ee75fa45..03ee0730db 100644 --- a/src/corelib/global/qlibraryinfo.cpp +++ b/src/corelib/global/qlibraryinfo.cpp @@ -41,18 +41,15 @@ #include "qdir.h" #include "qstringlist.h" #include "qfile.h" -#include "qtemporaryfile.h" #include "qsettings.h" #include "qlibraryinfo.h" #include "qscopedpointer.h" #ifdef QT_BUILD_QMAKE QT_BEGIN_NAMESPACE -extern QString qmake_absoluteLocation(); extern QString qmake_libraryInfoFile(); QT_END_NAMESPACE #else -# include "qconfig.cpp" # include "qcoreapplication.h" #endif @@ -60,6 +57,10 @@ QT_END_NAMESPACE # include "private/qcore_mac_p.h" #endif +#ifndef QT_BUILD_QMAKE_BOOTSTRAP +# include "qconfig.cpp" +#endif + #include "archdetect.cpp" QT_BEGIN_NAMESPACE @@ -72,16 +73,9 @@ struct QLibrarySettings { QLibrarySettings(); void load(); -#ifdef QT_BUILD_QMAKE - void loadBuiltinValues(QSettings *config); -#endif QScopedPointer<QSettings> settings; #ifdef QT_BUILD_QMAKE - QString builtinValues[QLibraryInfo::LastHostPath + 1]; -# ifndef Q_OS_WIN - QString builtinSettingsPath; -# endif bool haveDevicePaths; bool haveEffectiveSourcePaths; bool haveEffectivePaths; @@ -113,25 +107,6 @@ public: ? ls->haveDevicePaths : ls->havePaths) : false; } - static bool sysrootify() - { - // This is actually bogus, as it does not consider post-configure settings. - QLibrarySettings *ls = qt_library_settings(); - return ls ? (!ls->builtinValues[QLibraryInfo::SysrootPath].isEmpty() - && ls->builtinValues[QLibraryInfo::ExtPrefixPath].isEmpty()) : false; - } - static QString builtinValue(int loc) - { - QLibrarySettings *ls = qt_library_settings(); - return ls ? ls->builtinValues[loc] : QString(); - } -# ifndef Q_OS_WIN - static QString builtinSettingsPath() - { - QLibrarySettings *ls = qt_library_settings(); - return ls ? ls->builtinSettingsPath : QString(); - } -# endif #endif static QSettings *configuration() { @@ -155,20 +130,6 @@ QLibrarySettings::QLibrarySettings() load(); } -#ifdef QT_BUILD_QMAKE -static QByteArray qtconfSeparator() -{ -# ifdef Q_OS_WIN - QByteArray header = QByteArrayLiteral("\r\n===========================================================\r\n"); -# else - QByteArray header = QByteArrayLiteral("\n===========================================================\n"); -# endif - QByteArray content = QByteArrayLiteral("==================== qt.conf beginning ===================="); - // Assemble from pieces to avoid that the string appears in a raw executable - return header + content + header; -} -#endif - void QLibrarySettings::load() { // If we get any settings here, those won't change when the application shows up. @@ -206,27 +167,6 @@ void QLibrarySettings::load() havePaths = false; #endif } - -#ifdef QT_BUILD_QMAKE - // Try to use an embedded qt.conf appended to the QMake executable. - QFile qmakeFile(qmake_absoluteLocation()); - if (!qmakeFile.open(QIODevice::ReadOnly)) - return; - qmakeFile.seek(qmakeFile.size() - 10000); - QByteArray tail = qmakeFile.read(10000); - QByteArray separator = qtconfSeparator(); - int qtconfOffset = tail.lastIndexOf(separator); - if (qtconfOffset < 0) - return; - tail.remove(0, qtconfOffset + separator.size()); - // If QSettings had a c'tor taking a QIODevice, we'd pass a QBuffer ... - QTemporaryFile tmpFile; - tmpFile.open(); - tmpFile.write(tail); - tmpFile.close(); - QSettings builtinSettings(tmpFile.fileName(), QSettings::IniFormat); - loadBuiltinValues(&builtinSettings); -#endif } QSettings *QLibraryInfoPrivate::findConfiguration() @@ -483,29 +423,17 @@ static const struct { { "Tests", "tests" }, #ifdef QT_BUILD_QMAKE { "Sysroot", "" }, + { "SysrootifyPrefix", "" }, { "HostBinaries", "bin" }, { "HostLibraries", "lib" }, { "HostData", "." }, { "TargetSpec", "" }, { "HostSpec", "" }, - { "ExtPrefix", "" }, { "HostPrefix", "" }, #endif }; #ifdef QT_BUILD_QMAKE -void QLibrarySettings::loadBuiltinValues(QSettings *config) -{ - config->beginGroup(QLatin1String("Paths")); - for (int i = 0; i <= QLibraryInfo::LastHostPath; i++) - builtinValues[i] = config->value(QLatin1String(qtConfEntries[i].key), - QLatin1String(qtConfEntries[i].value)).toString(); -# ifndef Q_OS_WIN - builtinSettingsPath = config->value(QLatin1String("Settings")).toString(); -# endif - config->endGroup(); -} - void QLibraryInfo::reload() { QLibraryInfoPrivate::reload(); @@ -522,13 +450,17 @@ QLibraryInfo::location(LibraryLocation loc) QString ret = rawLocation(loc, FinalPaths); // Automatically prepend the sysroot to target paths - if ((loc < SysrootPath || loc > LastHostPath) && QLibraryInfoPrivate::sysrootify()) { + if (loc < SysrootPath || loc > LastHostPath) { QString sysroot = rawLocation(SysrootPath, FinalPaths); - if (!sysroot.isEmpty() && ret.length() > 2 && ret.at(1) == QLatin1Char(':') - && (ret.at(2) == QLatin1Char('/') || ret.at(2) == QLatin1Char('\\'))) - ret.replace(0, 2, sysroot); // Strip out the drive on Windows targets - else - ret.prepend(sysroot); + if (!sysroot.isEmpty() + && QVariant::fromValue(rawLocation(SysrootifyPrefixPath, FinalPaths)).toBool()) { + if (ret.length() > 2 && ret.at(1) == QLatin1Char(':') + && (ret.at(2) == QLatin1Char('/') || ret.at(2) == QLatin1Char('\\'))) { + ret.replace(0, 2, sysroot); // Strip out the drive on Windows targets + } else { + ret.prepend(sysroot); + } + } } return ret; @@ -591,21 +523,31 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group) if (loc == HostPrefixPath) ret = config->value(QLatin1String(qtConfEntries[PrefixPath].key), QLatin1String(qtConfEntries[PrefixPath].value)).toString(); - else if (loc == TargetSpecPath || loc == HostSpecPath) + else if (loc == TargetSpecPath || loc == HostSpecPath || loc == SysrootifyPrefixPath) fromConf = false; // The last case here is SysrootPath, which can be legitimately empty. // All other keys have non-empty fallbacks to start with. } #endif - // expand environment variables in the form $(ENVVAR) - int rep; - QRegExp reg_var(QLatin1String("\\$\\(.*\\)")); - reg_var.setMinimal(true); - while((rep = reg_var.indexIn(ret)) != -1) { - ret.replace(rep, reg_var.matchedLength(), - QString::fromLocal8Bit(qgetenv(ret.midRef(rep + 2, - reg_var.matchedLength() - 3).toLatin1().constData()).constData())); + int startIndex = 0; + forever { + startIndex = ret.indexOf(QLatin1Char('$'), startIndex); + if (startIndex < 0) + break; + if (ret.length() < startIndex + 3) + break; + if (ret.at(startIndex + 1) != QLatin1Char('(')) { + startIndex++; + continue; + } + int endIndex = ret.indexOf(QLatin1Char(')'), startIndex + 2); + if (endIndex < 0) + break; + QStringRef envVarName = ret.midRef(startIndex + 2, endIndex - startIndex - 2); + QString value = QString::fromLocal8Bit(qgetenv(envVarName.toLocal8Bit().constData())); + ret.replace(startIndex, endIndex - startIndex + 1, value); + startIndex += value.length(); } config->endGroup(); @@ -615,38 +557,36 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group) } #endif // QT_NO_SETTINGS +#ifndef QT_BUILD_QMAKE_BOOTSTRAP if (!fromConf) { -#ifdef QT_BUILD_QMAKE - if ((unsigned)loc <= (unsigned)LastHostPath) { - if (loc == PrefixPath && group != DevicePaths) - ret = QLibraryInfoPrivate::builtinValue(ExtPrefixPath); - else - ret = QLibraryInfoPrivate::builtinValue(loc); -# ifndef Q_OS_WIN // On Windows we use the registry - } else if (loc == SettingsPath) { - ret = QLibraryInfoPrivate::builtinSettingsPath(); -# endif - } -#else // QT_BUILD_QMAKE const char * volatile path = 0; if (loc == PrefixPath) { - path = QT_CONFIGURE_PREFIX_PATH; + path = +# ifdef QT_BUILD_QMAKE + (group != DevicePaths) ? + QT_CONFIGURE_EXT_PREFIX_PATH : +# endif + QT_CONFIGURE_PREFIX_PATH; } else if (unsigned(loc) <= sizeof(qt_configure_str_offsets)/sizeof(qt_configure_str_offsets[0])) { path = qt_configure_strs + qt_configure_str_offsets[loc - 1]; #ifndef Q_OS_WIN // On Windows we use the registry } else if (loc == SettingsPath) { path = QT_CONFIGURE_SETTINGS_PATH; #endif +# ifdef QT_BUILD_QMAKE + } else if (loc == HostPrefixPath) { + path = QT_CONFIGURE_HOST_PREFIX_PATH; +# endif } if (path) ret = QString::fromLocal8Bit(path); -#endif } +#endif #ifdef QT_BUILD_QMAKE - // The specs need to be returned verbatim. - if (loc == TargetSpecPath || loc == HostSpecPath) + // These values aren't actually paths and thus need to be returned verbatim. + if (loc == TargetSpecPath || loc == HostSpecPath || loc == SysrootifyPrefixPath) return ret; #endif diff --git a/src/corelib/global/qlibraryinfo.h b/src/corelib/global/qlibraryinfo.h index 9d794ce1da..809813d99d 100644 --- a/src/corelib/global/qlibraryinfo.h +++ b/src/corelib/global/qlibraryinfo.h @@ -91,12 +91,12 @@ public: #ifdef QT_BUILD_QMAKE // These are not subject to binary compatibility constraints SysrootPath, + SysrootifyPrefixPath, HostBinariesPath, HostLibrariesPath, HostDataPath, TargetSpecPath, HostSpecPath, - ExtPrefixPath, HostPrefixPath, LastHostPath = HostPrefixPath, #endif diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc index dfecc3e2d3..af485a1832 100644 --- a/src/corelib/global/qnamespace.qdoc +++ b/src/corelib/global/qnamespace.qdoc @@ -123,16 +123,14 @@ \value AA_PluginApplication Indicates that Qt is used to author a plugin. Depending on the operating system, it suppresses specific initializations that do not necessarily make sense in the plugin case. - For example on OS X, this includes avoiding loading our nib for the main menu and not taking possession of the native menu bar. Setting this attribute to true will also set the AA_DontUseNativeMenuBar attribute to true. It also disables native event filters. - This attribute has been added in Qt 5.7. It must be set before \l {QGuiApplication}{Q(Gui)Application} is constructed. - \value AA_MacPluginApplication This attribute has been deprecated. + \value AA_MacPluginApplication This attribute has been deprecated. Use AA_PluginApplication instead. \value AA_DontUseNativeMenuBar All menubars created while this attribute is @@ -166,7 +164,6 @@ \value AA_UseHighDpiPixmaps Make QIcon::pixmap() generate high-dpi pixmaps that can be larger than the requested size. Such pixmaps will have \l {QPixmap::devicePixelRatio}{devicePixelRatio()} set to a value higher than 1. - After setting this attribute, application code that uses pixmap sizes in layout geometry calculations should typically divide by \l {QPixmap::devicePixelRatio}{devicePixelRatio()} to get device-independent layout geometry. @@ -2660,7 +2657,7 @@ \value FontRole The font used for items rendered with the default delegate. (QFont) \value TextAlignmentRole The alignment of the text for items rendered with the - default delegate. (Qt::AlignmentFlag) + default delegate. (Qt::Alignment) \value BackgroundRole The background brush used for items rendered with the default delegate. (QBrush) \value BackgroundColorRole This role is obsolete. Use BackgroundRole instead. diff --git a/src/corelib/global/qnumeric_p.h b/src/corelib/global/qnumeric_p.h index 01b8772ee1..62add95533 100644 --- a/src/corelib/global/qnumeric_p.h +++ b/src/corelib/global/qnumeric_p.h @@ -174,7 +174,7 @@ static inline bool qt_is_finite(float f) // Unsigned overflow math // namespace { -template <typename T> inline typename QtPrivate::QEnableIf<std::is_unsigned<T>::value, bool>::Type +template <typename T> inline typename std::enable_if<std::is_unsigned<T>::value, bool>::type add_overflow(T v1, T v2, T *r) { // unsigned additions are well-defined @@ -182,7 +182,7 @@ add_overflow(T v1, T v2, T *r) return v1 > T(v1 + v2); } -template <typename T> inline typename QtPrivate::QEnableIf<std::is_unsigned<T>::value, bool>::Type +template <typename T> inline typename std::enable_if<std::is_unsigned<T>::value, bool>::type mul_overflow(T v1, T v2, T *r) { // use the next biggest type diff --git a/src/corelib/global/qprocessordetection.h b/src/corelib/global/qprocessordetection.h index 9fb3473ed3..ed11e013f2 100644 --- a/src/corelib/global/qprocessordetection.h +++ b/src/corelib/global/qprocessordetection.h @@ -234,9 +234,6 @@ # if defined(_MIPS_ARCH_MIPS2) || (defined(__mips) && __mips - 0 >= 2) # define Q_PROCESSOR_MIPS_II # endif -# if defined(_MIPS_ARCH_MIPS32) || defined(__mips32) -# define Q_PROCESSOR_MIPS_32 -# endif # if defined(_MIPS_ARCH_MIPS3) || (defined(__mips) && __mips - 0 >= 3) # define Q_PROCESSOR_MIPS_III # endif @@ -246,6 +243,9 @@ # if defined(_MIPS_ARCH_MIPS5) || (defined(__mips) && __mips - 0 >= 5) # define Q_PROCESSOR_MIPS_V # endif +# if defined(_MIPS_ARCH_MIPS32) || defined(__mips32) || (defined(__mips) && __mips - 0 >= 32) +# define Q_PROCESSOR_MIPS_32 +# endif # if defined(_MIPS_ARCH_MIPS64) || defined(__mips64) # define Q_PROCESSOR_MIPS_64 # define Q_PROCESSOR_WORDSIZE 8 diff --git a/src/corelib/global/qtypeinfo.h b/src/corelib/global/qtypeinfo.h index 8aa5cb4fb4..53f6b3fff6 100644 --- a/src/corelib/global/qtypeinfo.h +++ b/src/corelib/global/qtypeinfo.h @@ -124,7 +124,7 @@ struct QTypeInfoQuery : public QTypeInfo<T> // if QTypeInfo<T>::isRelocatable exists, use it template <typename T> -struct QTypeInfoQuery<T, typename QtPrivate::QEnableIf<QTypeInfo<T>::isRelocatable || true>::Type> : public QTypeInfo<T> +struct QTypeInfoQuery<T, typename std::enable_if<QTypeInfo<T>::isRelocatable || true>::type> : public QTypeInfo<T> {}; /*! |