BLR

Branch with Link to Register calls a subroutine at an address in a register, setting register X30 to PC+4.

313029282726252423222120191817161514131211109876543210
1101011000111111000000Rn00000
ZopAMRm

BLR <Xn>

integer n = UInt(Rn);

Assembler Symbols

<Xn>

Is the 64-bit name of the general-purpose register holding the address to be branched to, encoded in the "Rn" field.

Operation

bits(64) target = X[n]; X[30] = PC[] + 4; // Value in BTypeNext will be used to set PSTATE.BTYPE BTypeNext = '10'; BranchTo(target, BranchType_INDCALL);


Internal version only: isa v32.13, AdvSIMD v29.05, pseudocode v2020-12, sve v2020-12 ; Build timestamp: 2020-12-16T16:19

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