diff options
| -rw-r--r-- | extra/qt5-declarative/Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch | 122 | ||||
| -rw-r--r-- | extra/qt5-declarative/PKGBUILD | 13 |
2 files changed, 0 insertions, 135 deletions
diff --git a/extra/qt5-declarative/Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch b/extra/qt5-declarative/Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch deleted file mode 100644 index a4ce8465..00000000 --- a/extra/qt5-declarative/Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch +++ /dev/null @@ -1,122 +0,0 @@ -From 4950c366b12265f1ea390a6feb8dbbd0d850d206 Mon Sep 17 00:00:00 2001 -From: Guillem Jover <guillem@hadrons.org> -Date: Mon, 12 Oct 2015 01:45:37 +0200 -Subject: [PATCH v2] Do not make lack of SSE2 support on x86-32 fatal - -When an x86-32 CPU does not have SSE2 support (which is the case for -all AMD CPUs, and older Intel CPUs), fallback to use the interpreter, -otherwise use the JIT engine. - -Even then, make the lack of SSE2 support on x86-32 fatal when trying -to instantiate a JIT engine, which does require it. - -Refactor the required CPU support check into a new pair of privately -exported functions to avoid duplicating the logic, and do so in -functions instead of class members to avoid changing the class -signatures. - -Version: 5.7.x -Bug-Debian: https://bugs.debian.org/792594 ---- - src/qml/jit/qv4isel_masm.cpp | 2 ++ - src/qml/jit/qv4isel_masm_p.h | 18 ++++++++++++++++++ - src/qml/jsruntime/qv4engine.cpp | 1 + - src/qml/qml/v8/qv8engine.cpp | 7 ------- - tools/qmljs/qmljs.cpp | 7 +++---- - 5 files changed, 24 insertions(+), 11 deletions(-) - ---- a/src/qml/jit/qv4isel_masm.cpp -+++ b/src/qml/jit/qv4isel_masm.cpp -@@ -72,6 +72,8 @@ InstructionSelection<JITAssembler>::Inst - , compilationUnit(new CompilationUnit) - , qmlEngine(qmlEngine) - { -+ checkRequiredCpuSupport(); -+ - compilationUnit->codeRefs.resize(module->functions.size()); - module->unitFlags |= QV4::CompiledData::Unit::ContainsMachineCode; - } ---- a/src/qml/jit/qv4isel_masm_p.h -+++ b/src/qml/jit/qv4isel_masm_p.h -@@ -60,6 +60,7 @@ - - #include <QtCore/QHash> - #include <QtCore/QStack> -+#include <private/qsimd_p.h> - #include <config.h> - #include <wtf/Vector.h> - -@@ -72,6 +73,23 @@ QT_BEGIN_NAMESPACE - namespace QV4 { - namespace JIT { - -+Q_QML_PRIVATE_EXPORT inline bool hasRequiredCpuSupport() -+{ -+#ifdef Q_PROCESSOR_X86_32 -+ return qCpuHasFeature(SSE2); -+#else -+ return true; -+#endif -+} -+ -+Q_QML_PRIVATE_EXPORT inline void checkRequiredCpuSupport() -+{ -+#ifdef Q_PROCESSOR_X86_32 -+ if (!qCpuHasFeature(SSE2)) -+ qFatal("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer"); -+#endif -+} -+ - template <typename JITAssembler = Assembler<DefaultAssemblerTargetConfiguration>> - class Q_QML_EXPORT InstructionSelection: - protected IR::IRDecoder, ---- a/src/qml/jsruntime/qv4engine.cpp -+++ b/src/qml/jsruntime/qv4engine.cpp -@@ -159,6 +159,7 @@ - - #ifdef V4_ENABLE_JIT - static const bool forceMoth = !qEnvironmentVariableIsEmpty("QV4_FORCE_INTERPRETER") || -+ !JIT::hasRequiredCpuSupport() || - !OSAllocator::canAllocateExecutableMemory(); - if (forceMoth) { - factory = new Moth::ISelFactory; ---- a/src/qml/qml/v8/qv8engine.cpp -+++ b/src/qml/qml/v8/qv8engine.cpp -@@ -64,7 +64,6 @@ - #include <QtCore/qjsonvalue.h> - #include <QtCore/qdatetime.h> - #include <QtCore/qdatastream.h> --#include <private/qsimd_p.h> - - #include <private/qv4value_p.h> - #include <private/qv4dateobject_p.h> -@@ -129,12 +128,6 @@ QV8Engine::QV8Engine(QJSEngine* qq) - , m_xmlHttpRequestData(0) - , m_listModelData(0) - { --#ifdef Q_PROCESSOR_X86_32 -- if (!qCpuHasFeature(SSE2)) { -- qFatal("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer"); -- } --#endif -- - QML_MEMORY_SCOPE_STRING("QV8Engine::QV8Engine"); - qMetaTypeId<QJSValue>(); - qMetaTypeId<QList<int> >(); ---- a/tools/qmljs/qmljs.cpp -+++ b/tools/qmljs/qmljs.cpp -@@ -92,11 +92,10 @@ int main(int argc, char *argv[]) - enum { - use_masm, - use_moth -- } mode; -+ } mode = use_moth; - #ifdef V4_ENABLE_JIT -- mode = use_masm; --#else -- mode = use_moth; -+ if (QV4::JIT::hasRequiredCpuSupport()) -+ mode = use_masm; - #endif - - bool runAsQml = false; diff --git a/extra/qt5-declarative/PKGBUILD b/extra/qt5-declarative/PKGBUILD deleted file mode 100644 index 4b0c4b87..00000000 --- a/extra/qt5-declarative/PKGBUILD +++ /dev/null @@ -1,13 +0,0 @@ -# see https://bugreports.qt.io/browse/QTBUG-35430 -# and https://lists.debian.org/debian-qt-kde/2015/10/msg00388.html -# and https://packages.debian.org/sid/qtdeclarative5-dev - -source+=(Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch) -sha256sums+=('26120747f744571f2ead15c904fcd8d60e0c94fb538c711ae6051ab02d418e0d') - -eval "$( - declare -f prepare | \ - sed ' - /cd/a patch -Np1 -i ../Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch - ' -)" |