better link

By: Michael S (already5chosen.delete@this.yahoo.com), November 23, 2019 10:01 am
Room: Moderated Discussions
Michael S (already5chosen.delete@this.yahoo.com) on November 23, 2019 8:58 am wrote:
> anon (anon.delete@this.anon.invalid) on November 23, 2019 7:58 am wrote:
> > Michael S (already5chosen.delete@this.yahoo.com) on November 11, 2019 1:56 am wrote:
> > > Why Arm C Language Extension (ACLE) does not provide intrinsic functions
> > > for Add-with-curry (ADC) and Subtract-with-carry (SBC) instructions?
> > How do you expect to use them, given that there is no flags representation in C?
>
> One option is the same way as Intel.
> _addcarry_u64
> Define it in terms of regular 'C' variables and hope that compiler will do a good job.
>
> VisualC++ and clang do a good job with it.
> gcc and Icc do a bad job, but it's still better than if it wasn't available at all.
>

_addcarry_u64
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TopicPosted ByDate
Why no ADC/SBC instructions not exposed in ACLE?Michael S2019/11/11 02:56 AM
  Why no ADC/SBC instructions not exposed in ACLE?anon2019/11/23 08:58 AM
    Why no ADC/SBC instructions not exposed in ACLE?Michael S2019/11/23 09:58 AM
      better linkMichael S2019/11/23 10:01 AM
  Why no ADC/SBC instructions not exposed in ACLE?David Hess2019/11/23 03:21 PM
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