ported technotunnel

src/emit.rs

@@ -546,6 +546,8 @@ fn builtin_function(name: &str, params: &[ast::Type]) -> Option<Instruction<'sta
     let inst = match (name, params) {
         ("sqrt", &[F32]) => Instruction::F32Sqrt,
         ("abs", &[F32]) => Instruction::F32Abs,
+        ("min", &[F32, F32]) => Instruction::F32Min,
+        ("max", &[F32, F32]) => Instruction::F32Max,
         _ => return None,
     };
     Some(inst)

src/typecheck.rs

@@ -674,6 +674,8 @@ fn builtin_function_types(name: &str) -> Option<(&'static [ast::Type], Option<as
     let types: (&'static [ast::Type], Option<ast::Type>) = match name {
         "sqrt" => (&[F32], Some(F32)),
         "abs" => (&[F32], Some(F32)),
+        "min" => (&[F32, F32], Some(F32)),
+        "max" => (&[F32, F32], Some(F32)),
         _ => return None,
     };
     Some(types)