Specifications

Bit Fields
0x29 0 0x3a
Related Information
Cache and Tightly-Coupled Memory
jmp
Instruction computed jump
Operation
PC ← rA
Assembler Syntax
jmp rA
Example
jmp r12
Description
Transfers execution to the address contained in register rA.
Usage
It is illegal to jump to the address contained in register r31. To
return from subroutines called by call or callr, use ret
instead of jmp.
Exceptions
Misaligned destination address
Instruction Type
R
Instruction Fields
A = Register index of operand rA
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
A 0 0 0x0d
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0x0d 0 0x3a
jmpi
Instruction
jump immediate
Operation
PC ← (PC
31..28
: IMM26 x 4)
Assembler Syntax
jmpi label
Example
jmpi write_char
Description
Transfers execution to the instruction at address (PC
31..28
:
IMM26 x 4).
NII51017
2015.04.02
jmp
8-47
Instruction Set Reference
Altera Corporation
Send Feedback