[clang] c04c66d - [RISCV] Consider scalar types for required extensions.

[Hsiangkai Wang via cfe-commits]

Author: Hsiangkai Wang
Date: 2021-05-08T04:06:45+08:00
New Revision: c04c66d705b4f6e95a6325ef6d6c647ebc622165

URL: https://github.com/llvm/llvm-project/commit/c04c66d705b4f6e95a6325ef6d6c647ebc622165
DIFF: https://github.com/llvm/llvm-project/commit/c04c66d705b4f6e95a6325ef6d6c647ebc622165.diff

LOG: [RISCV] Consider scalar types for required extensions.

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.

Differential Revision: https://reviews.llvm.org/D102051

Added: 
    

Modified: 
    clang/utils/TableGen/RISCVVEmitter.cpp

Removed: 
    


################################################################################
diff  --git a/clang/utils/TableGen/RISCVVEmitter.cpp b/clang/utils/TableGen/RISCVVEmitter.cpp
index 423e5477fbbae..467a8b2f52ac6 100644
--- a/clang/utils/TableGen/RISCVVEmitter.cpp
+++ b/clang/utils/TableGen/RISCVVEmitter.cpp
@@ -107,6 +107,9 @@ class RVVType {
   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 @@ RVVIntrinsic::RVVIntrinsic(StringRef NewName, StringRef Suffix,
   }
   // 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")