[PATCH] AArch64 Neon scalar saturating accumulated of unsigned value instructions

[Tim Northover]

Hi Chad,


+  def bb : NeonI_Scalar2SameMisc<u, 0b00, opcode,
+                          (outs FPR8:$Rd), (ins FPR8:$Rn),

I think there should be a second input operand for all of these, tied
to the output. Otherwise what's being added? This affects the patterns
and the tests (and Clang) too.

A few tests in MC/Disassembler/AArch64 would be useful too. Not that I
think they're wrong now, but just in case someone does some weird
poking around in future.

Cheers.

Tim.