Altera Nios II User Manual page 239

Chapter 8: Instruction Set Reference
Instruction Set Reference
jmpi
Operation:
Assembler Syntax:
Example:
Description:
Usage:
Exceptions:
Instruction Type:
Instruction Fields:
31 30 29 28 27 26 25
February 2014 Altera Corporation
PC ← (PC
: IMM26 × 4)
31..28
jmpi label
jmpi write_char
Transfers execution to the instruction at address (PC
jmpi is a low-overhead local jump. jmpi can transfer execution anywhere within the 256-MB
range determined by PC
31..28
which the address is out of this range.
None
J
IMM26 = 26-bit unsigned immediate value
24 23 22 21 20 19 18 17
IMM26
31..28
. The Nios II GNU linker does not automatically handle cases in
16 15 14 13 12 11 10
jump immediate
: IMM26 × 4).
9 8 7 6 5 4 3 2
0x01
Nios II Processor Reference Handbook
8–59
1 0