| Pseudoinstruction | Example Use | Equivalence |
|---|---|---|
Load Immediate |
li t0, 42 |
ori t0, x0, 42 # or addi t0, x0, 42 |
Move |
mv t0, t1 |
or t0, x0, t1 # or add t0, x0, t1 # or addi t0, t1, 0 |
Load Address |
la t0, label |
lui t0, 0x10010 ori t0, t0, byte_offset |
Branch Less Than or Equal |
ble t0, t1, label |
# test for < and = separately blt t0, t1, label beq t0, t1, label # or add 1 to change <= to < # use a spare reg if you need # to preserve the original value addi t3, t1, 1 blt t0, t3, label |
Branch Greater Than |
bgt t0, t1, label |
# flip the operands and use blt blt t1, t0, label |
Return |
ret |
# as mentioned in chapter 5 jalr x0, ra, 0 |
Jump Register |
jr t0 |
# as mentioned in chapter 5 jalr x0, t0, 0 |