update 64-bit prefix format

diff --git a/simple_v_extension/sv_prefix_proposal.rst b/simple_v_extension/sv_prefix_proposal.rst
index 2e66d4fcae85ae1ee04ae470528d95657e99aca7..1c6e0b8609920ba9bf99e5a384f4ef1524da6a23 100644 (file)
--- a/simple_v_extension/sv_prefix_proposal.rst
+++ b/simple_v_extension/sv_prefix_proposal.rst
@@ -120,7 +120,7 @@ Table showing Standard RV32 encodings:
 | RV32-FR-type  + funct5      + fmt   + rs2[4:0] + rs1[4:0] + rm     | rd[4:0]  + opcode + 1      + 1          |
 +---------------+-------------+-------+----------+----------+--------+----------+--------+--------+------------+
 
-64-bit Instruction Encodings
+64-bit Instruction Encodings <a name="64-bit-prefix"></a>
 ============================
 
 Where in the 48 bit format the prefix is "0b0011111" in bits 0 to 6, this is