[PATCH] D102051: [RISCV] Consider scalar types for required extensions.

[Hsiangkai Wang via Phabricator via cfe-commits]

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We have vector operations on double vector and float scalar. For
example, vfwadd.wf is such a instruction.

vfloat64m1_t vfwadd_wf(vfloat64m1_t op0, float op1, size_t op2);

We should specify F and D extensions for it.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102051

Files:
  clang/utils/TableGen/RISCVVEmitter.cpp


Index: clang/utils/TableGen/RISCVVEmitter.cpp
===================================================================
--- clang/utils/TableGen/RISCVVEmitter.cpp
+++ clang/utils/TableGen/RISCVVEmitter.cpp
@@ -107,6 +107,9 @@
   bool isFloatVector(unsigned Width) const {
     return isVector() && isFloat() && ElementBitwidth == Width;
   }
+  bool isFloat(unsigned Width) const {
+    return isFloat() && ElementBitwidth == Width;
+  }
 
 private:
   // Verify RVV vector type and set Valid.
@@ -765,11 +768,11 @@
   }
   // Init RISC-V extensions
   for (const auto &T : OutInTypes) {
-    if (T->isFloatVector(16))
+    if (T->isFloatVector(16) || T->isFloat(16))
       RISCVExtensions |= RISCVExtension::Zfh;
-    else if (T->isFloatVector(32))
+    else if (T->isFloatVector(32) || T->isFloat(32))
       RISCVExtensions |= RISCVExtension::F;
-    else if (T->isFloatVector(64))
+    else if (T->isFloatVector(64) || T->isFloat(64))
       RISCVExtensions |= RISCVExtension::D;
   }
   if (RequiredExtension == "Zvamo")


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