Vector modes and C++ not supported?

Andrew Pinski pinskia@physics.uc.edu
Fri May 2 00:58:00 GMT 2003


I had the same problem with the old C++ parser, around July 2002: 
<http://gcc.gnu.org/ml/gcc/2002-07/msg01425.html>.
I did not explain myself well back then about this though.

Thanks,
Andrew Pinski


On Thursday, May 1, 2003, at 20:52 US/Eastern, Aldy Hernandez wrote:

>>>>>> "Richard" == Richard Guenther 
>>>>>> <rguenth@tat.physik.uni-tuebingen.de> writes:
>
>> typedef float v4sf __attribute__((mode(V4SF)));
>> void foo()
>> {
>> 	v4sf a, b, c;
>> 	a = b + c;
>> }
>
>> bellatrix:~/src/tests$ g++-3.3 -c -msse2 simd2.cpp
>> simd2.cpp: In function `void foo()':
>> simd2.cpp:6: error: invalid operands of types `vector float' and 
>> `vector
>> float'
>>    to binary `operator+'
>
>> while compiling using gcc is fine. Is this supposed to happen, and how
>> can one workaround this limitation? Will C++ support for this type of
>> automatic vectorization be added in the future?
>
> This was working with the old C++ parser.  It looks like it fell
> through the cracks.  I don't recall writing a C++ testcase for this,
> so it very well be partly my fault.
>
> Please file a bug report.
>
> Aldy
>
>



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