Does altivec work on biarch compiler for gcc 3.3.3-hammer?
Segher Boessenkool
segher at kernel.crashing.org
Mon Apr 26 17:39:17 EST 2004
> Does altivec work with gcc 3.3.3 hammer?
Yes.
> I'm building with -maltivec and -mabi=altivec but it does not seem to
> work
> for simple programs. For instance,
>
> printf("%vc",(vector unsigned char) {'h','e','l','l','o'});
Not valid code. A vector initializer has either one, or exactly
the correct number of elements (i.e., for char, 16 elts).
> Will print:
>
> %vc
glibc doesn't support vector printf extensions. Political issue.
> Here is how I am building:
>
> gcc -maltivec -mabi=altivec -mcpu=970 -mtune=970 testy.c
-mtune is redundant; looks fine otherwise.
Segher
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