ALU unit critical path optimization

2021-09-07 23:54:10 -07:00
parent c06efbf480
commit aeeb3ca616
6 changed files with 107 additions and 88 deletions
--- a/hw/rtl/VX_csr_unit.v
+++ b/hw/rtl/VX_csr_unit.v
@@ -31,7 +31,7 @@ module VX_csr_unit #(

    wire write_enable = csr_commit_if.valid && csr_we_s1;

-    wire [31:0] csr_req_data = csr_req_if.use_imm ? 32'(csr_req_if.rs1) : csr_req_if.rs1_data;
+    wire [31:0] csr_req_data = csr_req_if.use_imm ? 32'(csr_req_if.imm) : csr_req_if.rs1_data;

    VX_csr_data #(
        .CORE_ID(CORE_ID)