add category descriptions

diff --git a/simple_v_extension/opcodes.mdwn b/simple_v_extension/opcodes.mdwn
index e16d57ec2fd07e6c9a75520d333d956c66b65b25..b86aa08da4d10b3e9ff3efaae67559c8805a9221 100644 (file)
--- a/simple_v_extension/opcodes.mdwn
+++ b/simple_v_extension/opcodes.mdwn
@@ -53,6 +53,7 @@ see [[specification]] for full details.
 |fence    |                 | r·f | rv32i rv64i rv128i | -  |
 |fence.i  |                 | none | rv32i rv64i rv128i | -  |
 |lui      | rd imm20        | u     | rv32i rv64i rv128i | sv  |
+| -------- | -------- | ------- | ------- |  |
 |beq      | rs1 rs2 sbimm12 | sb   | rv32i rv64i rv128i | VBR  |
 |bne      | rs1 rs2 sbimm12 | sb   | rv32i rv64i rv128i | VBR  |
 |blt      | rs1 rs2 sbimm12 | sb   | rv32i rv64i rv128i | VBR  |