critical path optimization - fpga fmax @4c = ~212 mhz

2020-12-26 03:28:32 -08:00
parent d5c6b9b4d9
commit b459192dec
11 changed files with 216 additions and 169 deletions
--- a/hw/rtl/VX_writeback.v
+++ b/hw/rtl/VX_writeback.v
@@ -17,7 +17,7 @@ module VX_writeback #(
    VX_writeback_if writeback_if
 );
    wire alu_valid = alu_commit_if.valid && alu_commit_if.wb;
-    wire ld_valid  = ld_commit_if.valid /*&& ld_commit_if.wb*/;
+    wire ld_valid  = ld_commit_if.valid && ld_commit_if.wb;
    wire csr_valid = csr_commit_if.valid && csr_commit_if.wb;
    wire mul_valid = mul_commit_if.valid && mul_commit_if.wb;
    wire fpu_valid = fpu_commit_if.valid && fpu_commit_if.wb;