diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-10-17 01:25:42 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-10-17 01:25:42 -0600 |
| commit | 1ca30fb3de058b9498f6a6bbc646b79978ece846 (patch) | |
| tree | 9336889b1556563e3b8f6c328ae185aaa83895cb /rtl/core/control | |
| parent | b328dee91da704474509054043740128e5969c8b (diff) | |
Break false dependency on r0 for MOV/MVN
Diffstat (limited to '')
| -rw-r--r-- | rtl/core/control/control.sv | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/rtl/core/control/control.sv b/rtl/core/control/control.sv index 653d896..1c20535 100644 --- a/rtl/core/control/control.sv +++ b/rtl/core/control/control.sv @@ -5,6 +5,7 @@ module core_control input logic clk, dec_execute, dec_conditional, + dec_uses_rn, dec_branch, dec_writeback, dec_update_flags, @@ -76,7 +77,7 @@ module core_control assign next_bubble = ((dec_update_flags || dec_conditional) && (final_update_flags || update_flags)) - || (final_writeback && (final_rd == dec_data.rn || final_rd == dec_snd.r)); + || (final_writeback && ((dec_uses_rn && final_rd == dec_data.rn) || final_rd == dec_snd.r)); core_control_ldst_pop ldst_pop ( |