[PATCH] D157474: [RISCV] Add missing Xsfvcp extension check in clang sema

[Brandon Wu via Phabricator via cfe-commits]

4vtomat created this revision.
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Herald added a project: clang.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D157474

Files:
  clang/lib/Sema/SemaRISCVVectorLookup.cpp


Index: clang/lib/Sema/SemaRISCVVectorLookup.cpp
===================================================================
--- clang/lib/Sema/SemaRISCVVectorLookup.cpp
+++ clang/lib/Sema/SemaRISCVVectorLookup.cpp
@@ -202,10 +202,20 @@
 void RISCVIntrinsicManagerImpl::ConstructRVVIntrinsics(
     ArrayRef<RVVIntrinsicRecord> Recs, IntrinsicKind K) {
   const TargetInfo &TI = Context.getTargetInfo();
-  bool HasRV64 = TI.hasFeature("64bit");
+  static const std::pair<const char *, uint8_t> FeatureCheckList[] = {
+      {"64bit", RVV_REQ_RV64},
+      {"xsfvcp", RVV_REQ_Xsfvcp}};
+
   // Construction of RVVIntrinsicRecords need to sync with createRVVIntrinsics
   // in RISCVVEmitter.cpp.
   for (auto &Record : Recs) {
+    // Check requirements.
+    if (llvm::any_of(FeatureCheckList, [&](const auto &Item) {
+          return (Record.RequiredExtensions & Item.second) == Item.second &&
+                 !TI.hasFeature(Item.first);
+        }))
+      continue;
+
     // Create Intrinsics for each type and LMUL.
     BasicType BaseType = BasicType::Unknown;
     ArrayRef<PrototypeDescriptor> BasicProtoSeq =
@@ -251,11 +261,6 @@
       if ((BaseTypeI & Record.TypeRangeMask) != BaseTypeI)
         continue;
 
-      // Check requirement.
-      if (((Record.RequiredExtensions & RVV_REQ_RV64) == RVV_REQ_RV64) &&
-          !HasRV64)
-        continue;
-
       // Expanded with different LMUL.
       for (int Log2LMUL = -3; Log2LMUL <= 3; Log2LMUL++) {
         if (!(Record.Log2LMULMask & (1 << (Log2LMUL + 3))))


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