[llvm] [AArch64] Fold COPY(y:gpr, DUP(x:fpr, i)) -> UMOV(y:gpr, x:fpr, i) (PR #89017)
David Green via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 24 09:36:40 PDT 2024
davemgreen wrote:
@aemerson Any opinions on making reg-bank-select a little better? My understanding from a while ago was that the greedy mode did not work very well (maybe?), but I feel we will eventually need something like it to produce optimal code for all the cases that could be using gpr or fpr.
https://github.com/llvm/llvm-project/pull/89017
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