using onehot multiplexer to reduce critical path

2021-07-08 00:26:59 -07:00
parent dc34c5c5bd
commit 10e9ee124b
11 changed files with 161 additions and 207 deletions
--- a/hw/rtl/cache/VX_bank.v
+++ b/hw/rtl/cache/VX_bank.v
@@ -188,6 +188,7 @@ module VX_bank #(
    wire creq_pop_unqual = !mshr_pop_unqual && !mrsq_pop_unqual && !creq_empty && !flush_enable;

    wire is_miss_st1 = valid_st1 && (miss_st1 || force_miss_st1);
+    
    assign mshr_pop = mshr_pop_unqual
                   && !(is_miss_st1 && is_mshr_st1)  // do not schedule another mshr request if the previous one missed
                   && !crsq_in_stall;   // ensure core response ready