Fujitsu MB91F109 FR30 Hardware Manual page 73

Ri that is referenced by the JMP:D @Ri or CALL:D @Ri instruction is not affected even
when the instruction in the delay slot updates the Ri.
[Example]
LDI:32 #Label,
JMP:D @R0
LDI:8 #0,
:
RP that is referenced by the RET:D instruction is not affected even when the instruction in
the delay slot updates the RP.
[Example]
RET:D
MOV R8, RP
:
The flag that is referenced by the Bcc:D rel instruction is not affected by the instruction in
the delay slot.
[Example]
ADD #1,
BC:D Overflow
ANDCCR #0
:
When RP is referenced by the instruction in the delay slot of the CALL:D instruction, the
data updated by the CALL:D instruction is read.
[Example]
CALL:D Label
MOV RP,
:
R0
; Branches to Label.
R0 ; Does not affect the branch destination
address.
; Branches to the address indicated by the RP that
is set previously.
; Does not affect the return operation.
R0 ; Changes the flag.
; Branches according to the execution result of the
above instruction.
; Updates the flag which is not referenced by the
above branch instruction.
; Updates RP and branches.
R0 ; Transfers the RP; the execution result of
the above CALL:D instruction.
2.7 Instruction Overview
49