Re: [webkit-dev] command line JSC vs. JSC in libQtWebKit

2009-02-26 Thread Osztrogonac Csaba
Maciej Stachowiak írta: On other platforms, we try to build the JavaScriptCore object files with -O3 and strict aliasing enabled, even if the rest of WebKit is not. For example, on Mac, JavaScriptCore.framework builds with "-O3 -fstrict-aliasing -fomit-frame-pointer" even though WebCore.framewo

Re: [webkit-dev] command line JSC vs. JSC in libQtWebKit

2009-02-25 Thread Maciej Stachowiak
On Feb 25, 2009, at 3:55 AM, Osztrogonac Csaba wrote: Hi all, We are working on speedup jsc, and found a strange thing. Command line JSC and JSC in libQtWebkit build with different gcc options: - jsc.pro build command line jsc with: -O3 - WebCore.pro build libQtWebKit with: -O2 -fPIC -fno-stri

[webkit-dev] command line JSC vs. JSC in libQtWebKit

2009-02-25 Thread Osztrogonac Csaba
Hi all, We are working on speedup jsc, and found a strange thing. Command line JSC and JSC in libQtWebkit build with different gcc options: - jsc.pro build command line jsc with: -O3 - WebCore.pro build libQtWebKit with: -O2 -fPIC -fno-strict-aliasing (The latter is slower by 12%.) If you implem