[Webkit-unassigned] [Bug 20097] 20% Sunspider slow-down

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20097





------- Comment #21 from zherczeg at inf.u-szeged.hu  2008-07-21 05:06 PDT -------
> QMAKE_CXXFLAGS_RELEASE ~= s/-O2/-O3 -fstrict-aliasing/

I did something similar, just to see what happend with jsc. The resulted binary
was a bit bigger, and a bit faster than the version with -O2, but the
difference is small.

I looked at the resulting binaries, and there are strange strings in QT-r35203
(-O2 and -O3 as well). They seems kinda debug info :

[...]void WTF::HashTable<Key, Value, Extractor, HashFunctions, Traits,
KeyTraits>::checkKey(const T&) [with T = KJS::UString::Rep*, HashTranslator =
WTF::RefPtrHashMapRawKeyTranslator<KJS::UString::Rep*,
std::pair<WTF::RefPtr<KJS::UString::Rep>, KJS::SymbolTableEntry>,
WTF::PairHash[...]

These lines are neither in QT-r35202 nor in GTK binaries. Is it possible that
some recently triggered macros made these lines?


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