[PATCH] D153974: [RISCV] Don't include X1 in the X0_PD register pair

[Alex Bradbury via Phabricator via llvm-commits]

asb added a comment.

In D153974#4493649 <https://reviews.llvm.org/D153974#4493649>, @craig.topper wrote:

> Do we need to reserve the new register in `RISCVRegisterInfo::getReservedRegs`?

Good suggestion. We might need to, but unfortunately that has no impact on the changed test case.


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https://reviews.llvm.org/D153974