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| author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2019-06-11 01:01:10 +0200 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@qt.io> | 2019-06-11 11:28:44 +0200 |
| commit | 10e3b24c02cd1c22c7df0f350f229625e13faeae (patch) | |
| tree | e9f02181e47156e9c8652e0c5dba15bbdcb97e5a /src/qml/jsruntime/qv4value_p.h | |
| parent | 8733a8762c2db473d3a39d1f01c09156c04e3772 (diff) | |
| parent | ac402fa6d99eeb519a9cc23b028358dfb6df4d82 (diff) | |
Merge remote-tracking branch 'origin/5.13' into dev
Conflicts:
src/qml/jsruntime/qv4value_p.h
src/qml/qml/qqmlmetatype.cpp
src/qml/qml/qqmltypewrapper.cpp
src/quick/items/qquicktableview.cpp
Change-Id: I684f8e01a711580512848bf1253f39b39fcbf4c7
Diffstat (limited to 'src/qml/jsruntime/qv4value_p.h')
| -rw-r--r-- | src/qml/jsruntime/qv4value_p.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4value_p.h b/src/qml/jsruntime/qv4value_p.h index a9c8ac66bd..4e901721cb 100644 --- a/src/qml/jsruntime/qv4value_p.h +++ b/src/qml/jsruntime/qv4value_p.h @@ -87,12 +87,29 @@ struct Q_QML_PRIVATE_EXPORT Value : public StaticValue QML_NEARLY_ALWAYS_INLINE HeapBasePtr m() const { HeapBasePtr b; +#ifdef __ia64 +// Restore bits 49-47 to bits 63-61, undoing the workaround explained in +// setM below. + quint64 _tmp; + + _tmp = _val & (7L << 47); // 0x3800000000000 + _tmp = (_tmp << 14) | (_val ^ _tmp); + memcpy(&b, &_tmp, 8); +#else memcpy(&b, &_val, 8); +#endif return b; } QML_NEARLY_ALWAYS_INLINE void setM(HeapBasePtr b) { memcpy(&_val, &b, 8); +#ifdef __ia64 +// On ia64, bits 63-61 in a 64-bit pointer are used to store the virtual region +// number. Since this implementation is not 64-bit clean, we move bits 63-61 +// to bits 49-47 and hope for the best. This is undone in *m(), above. + _val |= ((_val & (7L << 61)) >> 14); + _val &= ((1L << 50)-1); +#endif } #elif QT_POINTER_SIZE == 4 QML_NEARLY_ALWAYS_INLINE HeapBasePtr m() const |