Craig Topper bf684a97f3 [RISCV] Don't emit vxrm writes for vnclip(u).wi with shift of 0. (#76578) ...

If there's no shift being performed, the rounding mode doesn't matter.

We could do the same for vssra and vssrl, but they are no-ops with a
shift of 0 so would be better off being removed earlier.

2024-01-02 09:50:06 -08:00

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