Hi!

On 2022-10-11T12:02:03+0100, Andrew Stubbs <ams@codesourcery.com> wrote:
> --- a/gcc/config/gcn/gcn.cc
> +++ b/gcc/config/gcn/gcn.cc

> +/* Return a vector mode with N lanes of MODE.  */
> +
> +static machine_mode
> +VnMODE (int n, machine_mode mode)
> +{
> +  switch (mode)
> +    {
> +    case QImode:

Pushed to master branch commit 612de72b0d2904b5a5a2b487ce4cb907c768a947
"GCN: Restore build with GCC 4.8", see attached.

Cherry-picked pushed to devel/omp/gcc-12 branch in
commit 38e4f4f55a6823d028b8f5332c500b7267ad320b
"GCN: Restore build with GCC 4.8", see attached.


Grüße
 Thomas


> +      switch (n)
> +     {
> +     case 2: return V2QImode;
> +     case 4: return V4QImode;
> +     case 8: return V8QImode;
> +     case 16: return V16QImode;
> +     case 32: return V32QImode;
> +     case 64: return V64QImode;
> +     }
> +      break;
> +    case HImode:
> +      switch (n)
> +     {
> +     case 2: return V2HImode;
> +     case 4: return V4HImode;
> +     case 8: return V8HImode;
> +     case 16: return V16HImode;
> +     case 32: return V32HImode;
> +     case 64: return V64HImode;
> +     }
> +      break;
> +    case HFmode:
> +      switch (n)
> +     {
> +     case 2: return V2HFmode;
> +     case 4: return V4HFmode;
> +     case 8: return V8HFmode;
> +     case 16: return V16HFmode;
> +     case 32: return V32HFmode;
> +     case 64: return V64HFmode;
> +     }
> +      break;
> +    case SImode:
> +      switch (n)
> +     {
> +     case 2: return V2SImode;
> +     case 4: return V4SImode;
> +     case 8: return V8SImode;
> +     case 16: return V16SImode;
> +     case 32: return V32SImode;
> +     case 64: return V64SImode;
> +     }
> +      break;
> +    case SFmode:
> +      switch (n)
> +     {
> +     case 2: return V2SFmode;
> +     case 4: return V4SFmode;
> +     case 8: return V8SFmode;
> +     case 16: return V16SFmode;
> +     case 32: return V32SFmode;
> +     case 64: return V64SFmode;
> +     }
> +      break;
> +    case DImode:
> +      switch (n)
> +     {
> +     case 2: return V2DImode;
> +     case 4: return V4DImode;
> +     case 8: return V8DImode;
> +     case 16: return V16DImode;
> +     case 32: return V32DImode;
> +     case 64: return V64DImode;
> +     }
> +      break;
> +    case DFmode:
> +      switch (n)
> +     {
> +     case 2: return V2DFmode;
> +     case 4: return V4DFmode;
> +     case 8: return V8DFmode;
> +     case 16: return V16DFmode;
> +     case 32: return V32DFmode;
> +     case 64: return V64DFmode;
> +     }
> +      break;
> +    default:
> +      break;
> +    }
> +
> +  return VOIDmode;
> +}


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