[llvm] [RISCV] Add extension information to RISCVFeatures.td. NFC (PR #89326)

[Brandon Wu via llvm-commits]

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@@ -500,136 +536,138 @@ def HasStdExtZkndOrZkne
                          "'Zkne' (NIST Suite: AES Encryption)">;
 
 def FeatureStdExtZknh
-    : SubtargetFeature<"zknh", "HasStdExtZknh", "true",
-                       "'Zknh' (NIST Suite: Hash Function Instructions)">;
+    : RISCVExtension<"zknh", 1, 0, "HasStdExtZknh",
+                     "'Zknh' (NIST Suite: Hash Function Instructions)">;
 def HasStdExtZknh : Predicate<"Subtarget->hasStdExtZknh()">,
                     AssemblerPredicate<(all_of FeatureStdExtZknh),
                         "'Zknh' (NIST Suite: Hash Function Instructions)">;
 
 def FeatureStdExtZksed
-    : SubtargetFeature<"zksed", "HasStdExtZksed", "true",
-                       "'Zksed' (ShangMi Suite: SM4 Block Cipher Instructions)">;
+    : RISCVExtension<"zksed", 1, 0, "HasStdExtZksed",
+                     "'Zksed' (ShangMi Suite: SM4 Block Cipher Instructions)">;
 def HasStdExtZksed : Predicate<"Subtarget->hasStdExtZksed()">,
                      AssemblerPredicate<(all_of FeatureStdExtZksed),
                          "'Zksed' (ShangMi Suite: SM4 Block Cipher Instructions)">;
 
 def FeatureStdExtZksh
-    : SubtargetFeature<"zksh", "HasStdExtZksh", "true",
-                       "'Zksh' (ShangMi Suite: SM3 Hash Function Instructions)">;
+    : RISCVExtension<"zksh", 1, 0, "HasStdExtZksh",
+                     "'Zksh' (ShangMi Suite: SM3 Hash Function Instructions)">;
 def HasStdExtZksh : Predicate<"Subtarget->hasStdExtZksh()">,
                     AssemblerPredicate<(all_of FeatureStdExtZksh),
                         "'Zksh' (ShangMi Suite: SM3 Hash Function Instructions)">;
 
 def FeatureStdExtZkr
-    : SubtargetFeature<"zkr", "HasStdExtZkr", "true",
-                       "'Zkr' (Entropy Source Extension)">;
+    : RISCVExtension<"zkr", 1, 0, "HasStdExtZkr",
+                     "'Zkr' (Entropy Source Extension)">;
 def HasStdExtZkr : Predicate<"Subtarget->hasStdExtZkr()">,
                    AssemblerPredicate<(all_of FeatureStdExtZkr),
                                       "'Zkr' (Entropy Source Extension)">;
 
 def FeatureStdExtZkn
-    : SubtargetFeature<"zkn", "HasStdExtZkn", "true",
-                       "'Zkn' (NIST Algorithm Suite)",
-                       [FeatureStdExtZbkb,
-                        FeatureStdExtZbkc,
-                        FeatureStdExtZbkx,
-                        FeatureStdExtZkne,
-                        FeatureStdExtZknd,
-                        FeatureStdExtZknh]>;
+    : RISCVExtension<"zkn", 1, 0, "HasStdExtZkn",
+                     "'Zkn' (NIST Algorithm Suite)",
+                     [FeatureStdExtZbkb,
+                      FeatureStdExtZbkc,
+                      FeatureStdExtZbkx,
+                      FeatureStdExtZkne,
+                      FeatureStdExtZknd,
+                      FeatureStdExtZknh]>;
 
 def FeatureStdExtZks
-    : SubtargetFeature<"zks", "HasStdExtZks", "true",
-                       "'Zks' (ShangMi Algorithm Suite)",
-                       [FeatureStdExtZbkb,
-                        FeatureStdExtZbkc,
-                        FeatureStdExtZbkx,
-                        FeatureStdExtZksed,
-                        FeatureStdExtZksh]>;
+    : RISCVExtension<"zks", 1, 0, "HasStdExtZks",
+                      "'Zks' (ShangMi Algorithm Suite)",
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4vtomat wrote:

Wrong indentation.

https://github.com/llvm/llvm-project/pull/89326