The VL/MAXVL/SubVL Block format:
[[!table data="""
-31:30 | 29:28 | 27:22 | 21:19 | 18:16 | comment |
-0b00 | SubVL | VLdest | imm[5:0] || VL set from imm |
-0b01 | SubVL | MVLimm | rs1[2:0] | rd[2:0] | RVC reg format |
-0b10 | SubVL | VLdest | imm[5:0] || VL & MVL set from imm|
-0b11 | rsvd | rsvd | rsvd | rsvd | reserved, all 0s |
+31:30 | 29:28 | 27:22 | 21 | 20:19 | 18:16 | comment |
+0b00 | SubVL |imm[5:0]|rsvd| rd[4:0] || VL set from imm |
+0b01 | SubVL |imm[5:0]| rs1[2:0] || rd[2:0] | RVC reg format |
+0b10 | SubVL |imm[5:0]|rsvd| rd[4:0] || VL & MVL set from imm|
+0b11 | rsvd | rsvd |rsvd| rsvd || reserved, all 0s |
"""]]