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| author | Simon Hausmann <simon.hausmann@nokia.com> | 2012-02-03 09:55:33 +0100 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@nokia.com> | 2012-02-03 09:55:33 +0100 |
| commit | cd44dc59cdfc39534aef4d417e9f3c412e3be139 (patch) | |
| tree | 8d89889ba95ed6ec9322e733846cc9cce9d7dff1 /Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h | |
| parent | d11f84f5b5cdc0d92a08af01b13472fdd5f9acb9 (diff) | |
| download | qtwebkit-cd44dc59cdfc39534aef4d417e9f3c412e3be139.tar.gz | |
Imported WebKit commit fce473cb4d55aa9fe9d0b0322a2fffecb731b961 (http://svn.webkit.org/repository/webkit/trunk@106560)
Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h')
| -rw-r--r-- | Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h b/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h index a9dec5062..e0d817c9f 100644 --- a/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h +++ b/Source/JavaScriptCore/dfg/DFGAssemblyHelpers.h @@ -246,6 +246,16 @@ public: m_assembler.vmov(fpr, payloadGPR, tagGPR); } #endif + + enum ExceptionCheckKind { NormalExceptionCheck, InvertedExceptionCheck }; + Jump emitExceptionCheck(ExceptionCheckKind kind = NormalExceptionCheck) + { +#if USE(JSVALUE64) + return branchTestPtr(kind == NormalExceptionCheck ? NonZero : Zero, AbsoluteAddress(&globalData()->exception)); +#elif USE(JSVALUE32_64) + return branch32(kind == NormalExceptionCheck ? NotEqual : Equal, AbsoluteAddress(reinterpret_cast<char*>(&globalData()->exception) + OBJECT_OFFSETOF(JSValue, u.asBits.tag)), TrustedImm32(JSValue::EmptyValueTag)); +#endif + } #if ENABLE(SAMPLING_COUNTERS) static void emitCount(MacroAssembler& jit, AbstractSamplingCounter& counter, int32_t increment = 1) |