diff options
Diffstat (limited to 'inc/id.h')
| -rw-r--r-- | inc/id.h | 31 |
1 files changed, 20 insertions, 11 deletions
@@ -32,17 +32,6 @@ class ID : public Stage * not to be called from outside classes during standard execution. */ - /** - * Facilitates register checkout and data hazard management. - * It does this by checking that the register passed in is not currently - * checked out. If true, then replaces r with the value of the register and - * returns OK. If false, returns STALLED. - * - * @param the registers number, to be dereferenced. - * @return OK if `r` is not checked out, STALLED otherwise. - */ - Response read_guard(signed int &r); - Response read_vec_guard(signed int r, std::array<signed int, V_R_LIMIT> &v); Response set_vlen(); private: @@ -104,6 +93,26 @@ class ID : public Stage r = this->dereference_register<T>(v); return r; } + /** + * Facilitates register checkout and data hazard management. + * It does this by checking that the register passed in is not currently + * checked out. If true, then replaces reg with the value of the register and + * returns OK. If false, returns STALLED. + * + * @param the registers number, to be dereferenced. + * @return OK if `reg` is not checked out, STALLED otherwise. + */ + template <typename T> Response read_guard(int reg, T &result) + { + Response response; + if (this->is_checked_out(reg)) + response = STALLED; + else { + response = OK; + result = this->dereference_register<T>(reg); + } + return response; + } }; #endif /* ID_H_INCLUDED */ |