BL

Branch with Link branches to a PC-relative offset, setting the register X30 to PC+4. It provides a hint that this is a subroutine call.

313029282726252423222120191817161514131211109876543210
100101imm26
op

BL <label>

bits(64) offset = SignExtend(imm26:'00', 64);

Assembler Symbols

<label>

Is the program label to be unconditionally branched to. Its offset from the address of this instruction, in the range +/-128MB, is encoded as "imm26" times 4.

Operation

X[30, 64] = PC[] + 4; BranchTo(PC[] + offset, BranchType_DIRCALL, FALSE);


Internal version only: isa v33.53, AdvSIMD v29.11, pseudocode v2022-09_rel, sve v2022-09_rel ; Build timestamp: 2022-09-30T16:37

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