feat(hpu): Enable some erc20 impl

With the support of overflowing ops, those impl are now available to Hpu

tfhe-benchmark/benches/high_level_api/erc20.rs

@@ -122,7 +122,6 @@ where
 
 /// This ones uses both overflowing_add/sub to check that both
 /// the sender has enough funds, and the receiver will not overflow its balance
-#[cfg(not(feature = "hpu"))]
 fn transfer_safe<FheType>(
     from_amount: &FheType,
     to_amount: &FheType,
@@ -756,6 +755,14 @@ fn main() {
             "whitepaper",
             transfer_whitepaper::<FheUint64>,
         );
+        bench_transfer_latency(
+            &mut group,
+            &cks,
+            bench_name,
+            "FheUint64",
+            "transfer::safe",
+            transfer_safe::<FheUint64>,
+        );
         // Erc20 optimized instruction only available on Hpu
         bench_transfer_latency(
             &mut group,
@@ -779,6 +786,14 @@ fn main() {
             "whitepaper",
             transfer_whitepaper::<FheUint64>,
         );
+        hpu_bench_transfer_throughput(
+            &mut group,
+            &cks,
+            bench_name,
+            "FheUint64",
+            "transfer::safe",
+            transfer_safe::<FheUint64>,
+        );
         // Erc20 optimized instruction only available on Hpu
         hpu_bench_transfer_throughput(
             &mut group,