David Miller <da...@davemloft.net> writes:
>>> I'm just calling it VIS4 in GCC so that we can export intrinsics of,
>>> for example, the cryptographic instructions at some point using the
>>> __VIS__ version CPP tests.
>>
>> ...that's why I'm not sure we should invent VIS4 at this point. How is this
>> done on the Solaris Studio side? Couldn't we add a new architecture to the
>> compiler (-mcpu=sparc4, with -mcpu=niagara4 as first variant), and define
>> __sparc4__ for the preprocessor?
>
> I've scanned the documentation and there is no indication of any preprocessor
> predefines or anything like that.
>
> And keep in mind that __VIS__ is our very own invention.
>
> Sun's compilers never predefined this.
I've found uses of e.g. __VIS >= 0x200 in their Studio 12.3 headers
(prod/include/cc/sys/vis_*.h), and strings on the cc binary reveals
-D__VIS=0x100
-D__VIS=0x200
-D__VIS=0x300
-D__VIS=0x400
I haven't yet found if those are properly documented, though.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
