[llvm] [RISCV] Tune flag for fast vrgather.vv (PR #124664)
Petr Penzin via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 12 11:24:41 PST 2025
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@@ -1365,6 +1365,10 @@ def FeatureUnalignedVectorMem
"true", "Has reasonably performant unaligned vector "
"loads and stores">;
+def TuneFastVRGather
+ : SubtargetFeature<"fast-vrgather", "HasFastVRGather",
+ "true", "Has vrgather.vv with LMUL*log2(LMUL) latency">;
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ppenzin wrote:
Enum it is then, I suppose :smile:
https://github.com/llvm/llvm-project/pull/124664
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