1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVFeatures.td b/llvm/lib/Target/RISCV/RISCVFeatures.td
index 3abbbb3..9e6b7f0 100644
--- a/llvm/lib/Target/RISCV/RISCVFeatures.td
+++ b/llvm/lib/Target/RISCV/RISCVFeatures.td
@@ -1335,6 +1335,44 @@ def HasVendorXSfvfnrclipxfqf
       AssemblerPredicate<(all_of FeatureVendorXSfvfnrclipxfqf),
                          "'XSfvfnrclipxfqf' (SiFive FP32-to-int8 Ranged Clip Instructions)">;
 
+// Note: XSfvfbfexp16e depends on either Zvfbfmin _or_ Zvfbfa, which cannot be expressed here in
+// TableGen. Instead, we check that in RISCVISAInfo.
+def FeatureVendorXSfvfbfexp16e
+    : RISCVExtension<0, 5,
+                     "SiFive Vector Floating-Point Exponential Function Instruction, BFloat16">;
+def HasVendorXSfvfbfexp16e : Predicate<"Subtarget->hasVendorXSfvfbfexp16e()">;
+
+def FeatureVendorXSfvfexp16e
+    : RISCVExtension<0, 5,
+                     "SiFive Vector Floating-Point Exponential Function Instruction, Half Precision",
+                     [FeatureStdExtZvfh]>;
+def HasVendorXSfvfexp16e : Predicate<"Subtarget->hasVendorXSfvfexp16e()">;
+
+def FeatureVendorXSfvfexp32e
+    : RISCVExtension<0, 5,
+                     "SiFive Vector Floating-Point Exponential Function Instruction, Single Precision",
+                     [FeatureStdExtZve32f]>;
+def HasVendorXSfvfexp32e : Predicate<"Subtarget->hasVendorXSfvfexp32e()">;
+
+def HasVendorXSfvfexpAnyFloat : Predicate<"Subtarget->hasVendorXSfvfexp16e() || Subtarget->hasVendorXSfvfexp32e()">;
+def HasVendorXSfvfexpAny : Predicate<"Subtarget->hasVendorXSfvfbfexp16e() || Subtarget->hasVendorXSfvfexp16e() || Subtarget->hasVendorXSfvfexp32e()">,
+                           AssemblerPredicate<(any_of FeatureVendorXSfvfbfexp16e, FeatureVendorXSfvfexp16e, FeatureVendorXSfvfexp32e),
+                           "'Xsfvfbfexp16e', 'Xsfvfexp16e', or 'Xsfvfexp32e' (SiFive Vector Floating-Point Exponential Function Instruction)">;
+
+def FeatureVendorXSfvfexpa
+    : RISCVExtension<0, 2,
+                     "SiFive Vector Floating-Point Exponential Approximation Instruction",
+                     [FeatureStdExtZve32f]>;
+def HasVendorXSfvfexpa : Predicate<"Subtarget->hasVendorXSfvfexpa()">,
+                         AssemblerPredicate<(all_of FeatureVendorXSfvfexpa),
+                         "'Xsfvfexpa' (SiFive Vector Floating-Point Exponential Approximation Instruction)">;
+
+def FeatureVendorXSfvfexpa64e
+    : RISCVExtension<0, 2,
+                     "SiFive Vector Floating-Point Exponential Approximation Instruction with Double-Precision",
+                     [FeatureVendorXSfvfexpa, FeatureStdExtZve64d]>;
+def HasVendorXSfvfexpa64e : Predicate<"Subtarget->hasVendorXSfvfexpa64e()">;
+
 def FeatureVendorXSiFivecdiscarddlone
     : RISCVExtension<1, 0,
                      "SiFive sf.cdiscard.d.l1 Instruction", []>;