Re: Compilinng the gcc_solaris_intel bridge

[Herbert Duerr <hd...@apache.org>]

Another reply to your fix in the Solaris bridge module.

On 27.01.2014 17:04, Απόστολος Συρόπουλος wrote:
> After a number of efforts I have finally managed to find the proper patch for
> file bridges/source/cpp_uno/gcc3_solaris_intel/uno2cpp.cxx and so
> to build a functional bridge for Solaris. Previously, I could not build
> the testtools module but now they compile just fine. Here is the patch:
>[...]
> +       // preserve potential 128bit stack alignment

I'm not sure whether the SPARCv9 ABI spec is relevant for your build 
environment, but it mentions this 16byte stack alignment in [1] as 
something new. Maybe the other changes may be relevant too to solve the 
bridge problems.

In particular I'd also suggest to mark the ecx register as clobbered 
like we do in [2] by changing the line:
	: "eax", "edx"
to
	: "eax", "edx", "ecx"

[1] http://docs.oracle.com/cd/E18752_01/html/816-5138/fcowb.html
[2] https://svn.apache.org/r1468341

Herbert

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RE: Compilinng the gcc_solaris_intel bridge

[Απόστολος Συρόπουλος <as...@hotmail.com>]

Hello Herbert,


> >[...]
> > +       // preserve potential 128bit stack alignment
> 
> I'm not sure whether the SPARCv9 ABI spec is relevant for your build 
> environment, but it mentions this 16byte stack alignment in [1] as 
> something new. Maybe the other changes may be relevant too to solve the 
> bridge problems.

Well, as I said my patch is based on the code found in the corresponding
gcc3-linux-intel file. Obviously, this has nothing to do with SPARC machines,
but then again it might be some kind of leftover.
 
> In particular I'd also suggest to mark the ecx register as clobbered 
> like we do in [2] by changing the line:
> 	: "eax", "edx"
> to
> 	: "eax", "edx", "ecx"
> 

I have changed this and it still compiles the testtools.

A.S.
--
Apostols Syropoulos
Xanthi, Greece