[PATCH] D108293: [AArch64][SME] Add predicate for NEON support in streaming mode

[Cullen Rhodes via Phabricator via llvm-commits]

c-rhodes created this revision.
c-rhodes added reviewers: david-arm, paulwalker-arm.
Herald added subscribers: hiraditya, kristof.beyls.
c-rhodes requested review of this revision.
Herald added a project: LLVM.

Split out from D107903 <https://reviews.llvm.org/D107903> to remove dependency for D108039 <https://reviews.llvm.org/D108039> and D108279 <https://reviews.llvm.org/D108279>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108293

Files:
  llvm/lib/Target/AArch64/AArch64InstrInfo.td


Index: llvm/lib/Target/AArch64/AArch64InstrInfo.td
===================================================================
--- llvm/lib/Target/AArch64/AArch64InstrInfo.td
+++ llvm/lib/Target/AArch64/AArch64InstrInfo.td
@@ -140,6 +140,12 @@
     : Predicate<"Subtarget->hasSVE2() || Subtarget->hasStreamingSVE()">,
                 AssemblerPredicate<(any_of FeatureSVE2, FeatureStreamingSVE),
                 "streaming-sve or sve2">;
+// A subset of NEON instructions are legal in Streaming SVE execution mode,
+// they should be enabled if either has been specified.
+def HasNEONorStreamingSVE
+    : Predicate<"Subtarget->hasNEON() || Subtarget->hasStreamingSVE()">,
+                AssemblerPredicate<(any_of FeatureNEON, FeatureStreamingSVE),
+                "streaming-sve or neon">;
 def HasRCPC          : Predicate<"Subtarget->hasRCPC()">,
                                  AssemblerPredicate<(all_of FeatureRCPC), "rcpc">;
 def HasAltNZCV       : Predicate<"Subtarget->hasAlternativeNZCV()">,


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