tree 5e24ef70bcdd7d405eafc712a1a4e7eb29ceda36
parent 9f0a912a4619ebca977f7da36cd2fb7ba56f71ce
author Sam Elliott <quic_aelliott@quicinc.com> 1741201185 -0800
committer GitHub <noreply@github.com> 1741201185 -0800
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[RISCV] Xqccmp Code Generation (#128815)

This adds support for Xqccmp to the following passes:
- Prolog Epilog Insertion - reusing much of the existing push/pop logic,
but extending it to cope with frame pointers and reorder the CFI
information correctly.
- Move Merger - extending it to support the `qc.` variants of the
double-move instructions.
- Push/Pop Optimizer - extending it to support the `qc.` variants of the
pop instructions.

The testing is based on existing Zcmp tests, but I have put them in
separate files as some of the Zcmp tests were getting quite long.