LDNP

Load pair of registers, with non-temporal hint

This instruction calculates an address from a base register value and an immediate offset, loads two 32-bit words or two 64-bit doublewords from memory, and writes them to two registers.

For information about addressing modes, see Load/Store addressing modes. For information about non-temporal pair instructions, see Load/Store non-temporal pair.

Decode for all variants of this encoding

let t : integer{} = UInt(Rt); let t2 : integer{} = UInt(Rt2); let n : integer{} = UInt(Rn); let nontemporal : boolean = TRUE; let scale : integer{} = 2 + UInt(opc[1]); let datasize : integer{} = 8 << scale; let offset : bits(64) = LSL(SignExtend{64}(imm7), scale); let tagchecked : boolean = n != 31; var rt_unknown : boolean = FALSE; if t == t2 then let c : Constraint = ConstrainUnpredictable(Unpredictable_LDPOVERLAP); assert c IN {Constraint_UNKNOWN, Constraint_UNDEF, Constraint_NOP}; case c of when Constraint_UNKNOWN => rt_unknown = TRUE; // Result is UNKNOWN when Constraint_UNDEF => EndOfDecode(Decode_UNDEF); when Constraint_NOP => EndOfDecode(Decode_NOP); end; end;

Assembler Symbols