[cairo-bugs] [Bug 4846] Performance problems for GTK+/Cairo on MacOS X

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Oct 25 08:25:19 PDT 2005


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------- Additional Comments From bogdanni at hotmail.com  2005-10-25 08:25 -------
There's some fragile floating-point code in Cairo that gets mis-compiled with -ffast-math, at least on this 
compiler. Never saw this on PowerPC.

I had CFLAGS='-Os -ffast-math -mcpu=7450 -mdynamic-no-pic' set for my application.
Removing -ffast-math solves the problem.

This compiler is gcc version 4.0.0 (Apple Computer, Inc. build 5026) equivalent ~ GNU GCC 4.0.2

Thanks for your patience with me. I'll dig up the code sequence that fools the compiler.
This is very annoying :-(
          
     
     
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