You copied the Doc URL to your clipboard.

ARM Compiler armasm User Guide : LD2R (vector)

LD2R (vector)

Load single 2-element structure and replicate to all lanes of two registers.

Syntax

LD2R { Vt.T, Vt2.T }, [Xn|SP] ; No offset

LD2R { Vt.T, Vt2.T }, [Xn|SP], imm ; Immediate offset, Post-index

LD2R { Vt.T, Vt2.T }, [Xn|SP], Xm ; Register offset, Post-index

Where:

Vt

Is the name of the first or only SIMD and FP register to be transferred.

Vt2

Is the name of the second SIMD and FP register to be transferred.

imm

Is the post-index immediate offset, and can be one of the values shown in Usage.

Xm

Is the 64-bit name of the general-purpose post-index register, excluding XZR.

T

Is an arrangement specifier, and can be one of the values shown in Usage.

Xn|SP

Is the 64-bit name of the general-purpose base register or stack pointer.

Usage

The following table shows the valid specifier combinations:

Table 20-23 LD2R (Immediate offset) specifier combinations

T imm
8B #2
16B #2
4H #4
8H #4
2S #8
4S #8
1D #16
2D #16
Was this page helpful? Yes No