On Tue, Jan 09, 2024 at 04:35:22PM -0600, Peter Bergner wrote:
> ...and this is really ugly and hard to read/understand. Can't we use
> register variables to make it simpler? Something like the following
> which tests having both FPR and Altivec reg numbers assigned?
>
> ...
> void
> test (__vector_pair *ptr)
> {
> register __vector_pair p asm ("vs10");
> register __vector_pair q asm ("vs42");
> register __vector_pair r asm ("vs44");
> q = ptr[1];
> r = ptr[2];
> __asm__ ("xvadddp %x0,%x1,%x2\n\txvadddp %S0,%S1,%S2"
> : "=wa" (p)
> : "wa" (q), "wa" (r));
> ptr[2] = p;
> }
>
> /* { dg-final { scan-assembler-times {\mxvadddp 10,42,44\M} 1 } } */
> /* { dg-final { scan-assembler-times {\mxvadddp 11,43,45\M} 1 } } */
> ...
I have submitted V2 of the patch that changes the test case. Thank you.
--
Michael Meissner, IBM
PO Box 98, Ayer, Massachusetts, USA, 01432
email: [email protected]
