Support swap12 in fpu external interface

chipsalliance · Jan 25, 2024 · 3172ee6 · 3172ee6
1 parent de696aa
commit 3172ee6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/main/scala/tile/FPU.scala b/src/main/scala/tile/FPU.scala
@@ -850,6 +850,10 @@ class FPU(cfg: FPUParams)(implicit p: Parameters) extends FPUModule()(p) {
     req.fmaCmd := ex_reg_inst(3,2) | (!ex_ctrl.ren3 && ex_reg_inst(27))
     when (ex_cp_valid) {
       req := io.cp_req.bits
+      when (io.cp_req.bits.swap12) {
+        req.in1 := io.cp_req.bits.in2
+        req.in2 := io.cp_req.bits.in1
+      }
       when (io.cp_req.bits.swap23) {
         req.in2 := io.cp_req.bits.in3
         req.in3 := io.cp_req.bits.in2