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CBNZ
Compare and Branch on Nonzero.
Syntax
CBNZ
Wt, label ; 32-bit
CBNZ
Xt, label ; 64-bit
Where:
Wt- Is the 32-bit name of the general-purpose register to be tested.
Xt- Is the 64-bit name of the general-purpose register to be tested.
label- Is the program label to be conditionally branched to. Its offset from the address of this instruction, in the range ±1MB.
Usage
Compare and Branch on Nonzero compares the value in a register with zero, and conditionally branches to a label at a PC-relative offset if the comparison is not equal. It provides a hint that this is not a subroutine call or return. This instruction does not affect the condition flags.