Hi!
On Tue, Feb 14, 2023 at 09:23:55AM +0100, Jakub Jelinek wrote:
> CCing Segher and David on this.
> rs6000 indeed doesn't implement {,u}{add,sub,mul}v4_optab for
> any mode and thus leaves it to the generic code.
Yes. Can we do better than the generic code, for those?
> On Tue, Feb 14, 2023
> rs6000 indeed doesn't implement {,u}{add,sub,mul}v4_optab for
> any mode and thus leaves it to the generic code.
https://gcc.gnu.org/pipermail/gcc-patches/2016-October/460209.html
--
Eric Botcazou
Hi!
CCing Segher and David on this.
rs6000 indeed doesn't implement {,u}{add,sub,mul}v4_optab for
any mode and thus leaves it to the generic code.
On Tue, Feb 14, 2023 at 04:48:42AM +0100, Simon Richter wrote:
> I'm looking at the generated code for these builtins on POWER:
>
> add 4,3,4
Hi,
I'm looking at the generated code for these builtins on POWER:
add 4,3,4
subfc 3,3,4
subfe 3,3,3
std 4,0(5)
rldicl 3,3,0,63
blr
and
mulld 10,3,4
mulhdu 3,3,4
addic 9,3,-1
std 10,0(5)
subfe 3,9,3
