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

26-bit signed PC-relative branch offset

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] = PC[] + 4; BranchTo(PC[] + offset, BranchType_DIRCALL);


Internal version only: isa v30.41, AdvSIMD v27.08, pseudocode r8p5_00bet2_rc5, sve v8.5-00bet10_rc5 ; Build timestamp: 2019-03-28T07:14

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