Re: [Mingw-users] [gcc 4.4.0] Error code generation with -O3.

[Roger P. <rog...@gm...>]

> I tried to compile QT 4.5.2 on mingw gcc 4.4.0.
> Options optimization release:
>    QMAKE_CFLAGS_RELEASE = -O3 -march=pentium3 -mtune=pentium3
>
> To build without errors, but when you start assistant.exe get an error
> in QtCode4.dll.
> The same error I get when running assistant_adp.exe when you try to
> click on a link.

> It looks like a combination of the flags -O3 -march=pentium3
> -mtune=pentium3 leads to the generation of incorrect code.

Yeah I haven't had any success with -O3 -march=native building ruby,
either.  Very broken.
-r