Architecture
124
BLEZ Branch On Less Than Or Equal To Zero BLEZ
31 26 25 21 20 16 15 0
BLEZ
000110 rs 0
00000 offset
6 5 5 16
Format :
BLEZ rs, offset
Description :
Generates a branch target address by adding the address of the instruction in the delay slot to the 16-
bit offset (that has been left-shifted two bits and sign-extended to 32 bits). If the the value in
general-purpose register rs is negative or 0 (i.e., the sign bit of rs is 1 or the rs value is 0), the
program branches to the target address after a one-cycle delay.
Operation :
T:
T + 1:
target ← (offset15)14 || offset || 02
condition ← (GPR[rs]31 = 1) or (GPR[rs] = 032)
if condition then
PC ← PC + target
endif
Exceptions :
None