On Sun, 10 Aug 2025, Jeff Law wrote:

> The question we need to ask is whether or not MSA+R5+MICROMIPS makes sense at
> all.  If not, then we can deprecate.  If it's just that we can't test, then
> it's not so clear.

 FWIW we have support for microMIPSr5 encodings of the MSA instructions in 
binutils, so in principle the toolchain is complete here and the feature 
makes sense.  I don't know offhand if there's any way to run such code 
though (e.g. GNU sim).  It doesn't appear to me there's a clear benefit 
from disabling the option combination though (and no justification was 
given in the commit description), and doing nothing is obviously the path 
of least resistance that costs nothing accordingly.

  Maciej

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