Jonas Paulsson a9c5a98f81 [SystemZ] Improvement in tryRxSBG(). ...

Only allow replacements of nodes that have a single user. This is better as
simple instructions (e.g. XGRK) are one cycle faster, and it helps in cases
where both inputs share a common node.

Review: Ulrich Weigand

2023-01-19 10:43:52 -06:00

1.9 KiB

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