Implement RISC-V Zk extension intrinsics

Author: coastalwhite

crates/core_arch/src/mod.rs

@@ -66,6 +66,7 @@ pub mod arch {
     #[doc(cfg(any(target_arch = "riscv32")))]
     #[unstable(feature = "riscv_ext_intrinsics", issue = "114544")]
     pub mod riscv32 {
+        pub use crate::core_arch::riscv32::*;
         pub use crate::core_arch::riscv_shared::*;
     }
 
@@ -279,6 +280,10 @@ mod aarch64;
 #[doc(cfg(any(target_arch = "arm")))]
 mod arm;
 
+#[cfg(any(target_arch = "riscv32", doc))]
+#[doc(cfg(any(target_arch = "riscv32")))]
+mod riscv32;
+
 #[cfg(any(target_arch = "riscv64", doc))]
 #[doc(cfg(any(target_arch = "riscv64")))]
 mod riscv64;

crates/core_arch/src/riscv32/mod.rs

@@ -0,0 +1,5 @@
+//! RISC-V RV32 specific intrinsics
+
+mod zk;
+
+pub use zk::*;