[COMMITTED] PowerPC: Add support for RFC02653 - Dense Math Facility

[Peter Bergner]

On 11/2/22 1:27 PM, Tom de Vries wrote:
>> +{"pmdmxvbf16ger2",PMMIRR|XX3(59,51),   P_GER2_MASK,    POWER10, 0,    {ACC, XA6a, XB6a, XMSK, YMSK, PMSK2}},
>>  {"pmxvbf16ger2",  PMMIRR|XX3(59,51),   P_GER2_MASK,    POWER10, 0,    {ACC, XA6a, XB6a, XMSK, YMSK, PMSK2}},
> 
> Hi,
> 
> I noticed a regression in a gdb test-case:
> ...
> FAIL: gdb.arch/powerpc-power10.exp: found: pmxvbf16ger2 a4,vs0,vs1,0,0,0
> ...
> and I suspect it's because of this commit.
> 
> 
> The disassembly shows:
> ...
>    0x000000000000063c <+1596>:  pmdmxvbf16ger2 a4,vs0,vs1,0,0,0^M
> ...
> while the test expects pmxvbf16ger2.

Yes, Carl notified me of the fallout.  I gave him a patch that updates
the expected output to look for the new name.  Carl has agreed to
shepherd the patch to fix the fallout.

Peter