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-rw-r--r--extra/qt5-declarative/Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch122
-rw-r--r--extra/qt5-declarative/PKGBUILD11
-rw-r--r--extra/qt5-declarative/qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal.patch16
3 files changed, 21 insertions, 128 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
index e7c1c832..387fb122 100644
--- a/extra/qt5-declarative/PKGBUILD
+++ b/extra/qt5-declarative/PKGBUILD
@@ -1,13 +1,12 @@
-# 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
+# disable croaking about missing SSE2 for WASM (web assemblies) when
+# instantiating a Javascript engine
-source+=(Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch)
-sha256sums+=('26120747f744571f2ead15c904fcd8d60e0c94fb538c711ae6051ab02d418e0d')
+source+=(qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal.patch)
+sha256sums+=('5dce1799db9c4bca10006eb4a4980ffa74d6da5b18ab02f31a5267c44338b765')
eval "$(
declare -f prepare | \
sed '
- /cd/a if [ "${CARCH}" != "pentium4" ]; then patch -Np1 -i ../Do-not-make-lack-of-SSE2-support-on-x86-32-fatal.patch; fi
+ /cd/a if [ "${CARCH}" != "pentium4" ]; then patch -Np1 -i ../qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal.patch; fi
'
)"
diff --git a/extra/qt5-declarative/qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal.patch b/extra/qt5-declarative/qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal.patch
new file mode 100644
index 00000000..7af11f4b
--- /dev/null
+++ b/extra/qt5-declarative/qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal.patch
@@ -0,0 +1,16 @@
+diff -rauN qtdeclarative-everywhere-src-5.12.3/src/qml/qml/v8/qv8engine.cpp qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal-patch/src/qml/qml/v8/qv8engine.cpp
+--- qtdeclarative-everywhere-src-5.12.3/src/qml/qml/v8/qv8engine.cpp 2019-04-08 11:12:26.000000000 +0200
++++ qtdeclarative-everywhere-src-5.12.3-no-sse2-non-fatal-patch/src/qml/qml/v8/qv8engine.cpp 2019-06-12 14:48:14.189999439 +0200
+@@ -140,9 +140,9 @@
+ {
+ #ifndef Q_OS_WASM // wasm does not have working simd QTBUG-63924
+ #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");
+- }
++ //~ if (!qCpuHasFeature(SSE2)) {
++ //~ qFatal("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer");
++ //~ }
+ #endif
+ #endif
+