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BL

Branch with Link.

Syntax

BL label

Where:

label

Is the program label to be unconditionally branched to. Its offset from the address of this instruction, in the range ±128MB. The branch can be forward or backward within 128MB.

Usage

Branch with Link calls a subroutine at a PC-relative offset, setting the register X30 to PC+4. It provides a hint that this is not a subroutine call or return.

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