[WIP]

Author: bjorn3

gen_intrinsics/src/def_visitor.rs

@@ -1,6 +1,6 @@
+use syn::Ident;
 use syn::parse::Parser;
 use syn::visit::Visit;
-use syn::Ident;
 
 pub fn parse(target: &str) -> DefVisitor {
     println!("Running rustc -Zunpretty=expanded --edition=2021 core_arch/src/lib.rs ...");
@@ -121,6 +121,18 @@ impl<'ast> Visit<'ast> for DefVisitor {
                         _ => {}
                     }
 
+                    if sig.inputs.iter().any(|arg| {
+                        let syn::FnArg::Typed(syn::PatType { ref ty, .. }) = arg else {
+                            return false;
+                        };
+                        let syn::Type::Path(ref ty_path) = **ty else {
+                            return false;
+                        };
+                        ty_path.path.is_ident("f16") || ty_path.path.is_ident("f128")
+                    }) {
+                        continue 'items;
+                    }
+
                     // FIXME remove this skipping
                     match &*link_name {
                         _ if link_name.starts_with("llvm.aarch64.neon.ld") => continue 'items,

gen_intrinsics/src/main.rs

@@ -11,7 +11,7 @@ use crate::def_visitor::{DefVisitor, LlvmIntrinsicDef};
 fn compile_object(visitor: &DefVisitor) {
     let mut ts = proc_macro2::TokenStream::new();
     ts.extend(quote::quote! {
-        #![feature(abi_unadjusted, link_llvm_intrinsics, repr_simd, simd_ffi)]
+        #![feature(abi_unadjusted, f16, f128, link_llvm_intrinsics, repr_simd, simd_ffi)]
         #![allow(dead_code, improper_ctypes, improper_ctypes_definitions, internal_features, non_camel_case_types)]
     });