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-rw-r--r--rtl/src/alu_b_src_mux.v3
1 files changed, 3 insertions, 0 deletions
diff --git a/rtl/src/alu_b_src_mux.v b/rtl/src/alu_b_src_mux.v
index 5932f9e..5f188bc 100644
--- a/rtl/src/alu_b_src_mux.v
+++ b/rtl/src/alu_b_src_mux.v
@@ -1,3 +1,6 @@
+// alu src_b mux:
+// Selects source for alu input b.
+
module alu_b_src_mux (
input [31:0] src_rd2_buf,
input [31:0] src_imm,