performance improvements

2020-10-07 23:40:00 +02:00
parent a3eae0a8a9
commit e3fe3c6d72
18 changed files with 151 additions and 90 deletions
@@ -64,13 +64,13 @@ impl OpTrait for ArithOp {
                state.clear_status();
                let x = state.read(*a)?;
                let y = state.read(*b)?;
-                let (res, ov) = if let Some(v) = x.checked_mul(y) {
-                    (v, false)
+                let res = if let Some(v) = x.checked_mul(y) {
+                    v
                } else {
-                    (x.wrapping_mul(y), true)
+                    state.set_flag(Cond::Overflow, true);
+                    x.wrapping_mul(y)
                };
                state.update_status(res);
-                state.set_flag(Cond::Overflow, ov);
                state.write(*dst, res)?;
            }
            ArithOp::Div { dst, rem, a, div } => {