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ADRP

Form PC-relative address to 4KB page adds an immediate value that is shifted left by 12 bits, to the PC value to form a PC-relative address, with the bottom 12 bits masked out, and writes the result to the destination register.

313029282726252423222120191817161514131211109876543210
1immlo10000immhiRd
op

Literal

ADRP <Xd>, <label>

integer d = UInt(Rd);
bits(64) imm;

imm = SignExtend(immhi:immlo:Zeros(12), 64);

Assembler Symbols

<Xd>

Is the 64-bit name of the general-purpose destination register, encoded in the "Rd" field.

<label>

Is the program label whose 4KB page address is to be calculated. Its offset from the page address of this instruction, in the range +/-4GB, is encoded as "immhi:immlo" times 4096.

Operation

bits(64) base = PC[];

base<11:0> = Zeros(12);

X[d] = base + imm;
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