[Mesa-dev] 761131ce4591e5f55f38d13f2c4d2194bc9cb0fd build regression with llvm 2.8

Jose Fonseca jfonseca at vmware.com
Thu Jul 26 08:22:20 PDT 2012



----- Original Message -----
> On 7/26/12 10:52 AM, Jose Fonseca wrote:
> > ----- Original Message -----
> >> Are the problems of mcjit simply a superset
> >> of the problems with the old jit?
> >
> > The only reason we started to look at mcjit was because old jit
> > didn't support avx. But on current trunk (ie llvm-3.2) it does.
> >
> > To be honest, apart of avx, none of the benefits of mcjit matter to
> > me:
> > - we're not compiling from a C source file (or any kind of source
> > file), so not sure what GDB integration will bring
> > and all its shortcomings affect me
> 
> I don't think this is essentially true, just temporally true.
>  Imagine a
> consumer more like OpenCL than OpenGL.  Or, imagine being able to
> breakpoint and single-step in your GL shaders to see where something
> complicated goes wrong.

hmm. It would require that GLSL and TGSI preserved debug info. But I can now see the benefit of tight gdb integration in such case.

Jose


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