diff options
author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2019-02-16 01:03:22 +0100 |
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committer | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2019-02-16 01:03:22 +0100 |
commit | 7d80264fa7fc71bc68ed091ff8ba97bdd7970dc4 (patch) | |
tree | e3d6878189a6079dd61cde0b20f7f10cc4d1ffb0 /src/qml/jit | |
parent | 27c0e9d709aba97bd522fd3e53a53c4ff3c4d71b (diff) | |
parent | fee0fcfef08a05ed4ba9369d2352c876b514d69c (diff) |
Merge remote-tracking branch 'origin/5.13' into dev
Change-Id: I51cb42d253a83c0e6a76946c37cf1ff7c7cac150
Diffstat (limited to 'src/qml/jit')
-rw-r--r-- | src/qml/jit/qv4assemblercommon.cpp | 16 | ||||
-rw-r--r-- | src/qml/jit/qv4assemblercommon_p.h | 1 |
2 files changed, 6 insertions, 11 deletions
diff --git a/src/qml/jit/qv4assemblercommon.cpp b/src/qml/jit/qv4assemblercommon.cpp index d5d97f8284..dd810d9d70 100644 --- a/src/qml/jit/qv4assemblercommon.cpp +++ b/src/qml/jit/qv4assemblercommon.cpp @@ -187,13 +187,6 @@ PlatformAssemblerCommon::Address PlatformAssemblerCommon::argStackAddress(int ar return Address(StackPointerRegister, offset * PointerSize); } -JSC::MacroAssemblerBase::Address PlatformAssemblerCommon::inArgStackAddress(int arg) -{ - int offset = arg - ArgInRegCount; - Q_ASSERT(offset >= 0); - return Address(FramePointerRegister, -(offset + 1) * PointerSize); -} - void PlatformAssemblerCommon::passAccumulatorAsArg(int arg) { #ifndef QT_NO_DEBUG @@ -342,10 +335,13 @@ void PlatformAssemblerCommon::tailCallRuntime(const char *functionName, const vo void PlatformAssemblerCommon::setTailCallArg(RegisterID src, int arg) { - if (arg < ArgInRegCount) + if (arg < ArgInRegCount) { move(src, registerForArg(arg)); - else - storePtr(src, inArgStackAddress(arg)); + } else { + // We never write to the incoming arguments space on the stack, and the tail call runtime + // method has the same signature as the jitted function, so it is safe for us to just reuse + // the arguments that we got in. + } } JSC::MacroAssemblerBase::Address PlatformAssemblerCommon::jsAlloca(int slotCount) diff --git a/src/qml/jit/qv4assemblercommon_p.h b/src/qml/jit/qv4assemblercommon_p.h index 3e70457bd8..d3d7eedae2 100644 --- a/src/qml/jit/qv4assemblercommon_p.h +++ b/src/qml/jit/qv4assemblercommon_p.h @@ -711,7 +711,6 @@ public: private: void passAccumulatorAsArg_internal(int arg, bool doPush); static Address argStackAddress(int arg); - static Address inArgStackAddress(int arg); private: const Value* constantTable; |