RISCV: rva23u64/rva23s64 feature need llvm version > 20

ZhongyaoChen · ZhongyaoChen · commit 3ec3eeaad87d · 2025-08-11T16:19:47.000Z
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -278,7 +278,11 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
             None
         }
         // Filter out features that are not supported by the current LLVM version
-        ("riscv32" | "riscv64", "zacas") if get_version().0 < 20 => None,
+        ("riscv32" | "riscv64", "zacas" | "rva23s64" | "rva23u64" | "sha" | "ssnpm" | "supm")
+            if get_version().0 < 20 =>
+        {
+            None
+        }
         (
             "s390x",
             "message-security-assist-extension12"

Original file line number	Diff line number	Diff line change
`@@ -278,7 +278,11 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea`
`278`	`278`	`None`
`279`	`279`	`}`
`280`	`280`	`// Filter out features that are not supported by the current LLVM version`
`281`		`- ("riscv32" \| "riscv64", "zacas") if get_version().0 < 20 => None,`
	`281`	`+ ("riscv32" \| "riscv64", "zacas" \| "rva23s64" \| "rva23u64" \| "sha" \| "ssnpm" \| "supm")`
	`282`	`+ if get_version().0 < 20 =>`
	`283`	`+ {`
	`284`	`+ None`
	`285`	`+ }`
`282`	`286`	`(`
`283`	`287`	`"s390x",`
`284`	`288`	`"message-security-assist-extension12"`