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-rw-r--r--rtl/src/immediate_extend.v3
1 files changed, 3 insertions, 0 deletions
diff --git a/rtl/src/immediate_extend.v b/rtl/src/immediate_extend.v
index 14a9a33..2b38081 100644
--- a/rtl/src/immediate_extend.v
+++ b/rtl/src/immediate_extend.v
@@ -1,3 +1,6 @@
+// immediate extend:
+// Extracts immediate value from various instruction formats.
+
module immediate_extend (
input [31:0] instr,
input [2:0] imm_src,