Re: Implementing VMX128 AltiVec Variant

[Gordan Bobic <gordan at bobich dot net>]

On Tue, 21 Aug 2007, Ian Lance Taylor wrote:

> > With the modifications I made, GCC still compiled fine. However,
> > libgcc and libstdc++ DO still get build with the missing instructions
> > (according to objdump -D). Why is that? Is that a consequence of the
> > ADA files? Or something else? Where should I look? Is the it ada files
> > that are the cause of the problem I'm seeing?
>
> It must be something else.  I'm not sure what, though.  It might be
> something as simple as an instruction built from substrings.  For
> example, search for altivec_vmsumu<VI_char>m in altivec.md.

I just re-checked for that and I can't find any. I have attached a diff 
for my modified altivec.h, altivec.md and rs6000.c files. Patch in 
gcc/config/rs6000 subtree with -p1.

Can anyone think of anywhere else I should be looking? Where else could 
these instructions be coming from?

Thanks.

Gordan

Attachment: altivec2vmx128.patch
Description: Text document