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ARM Compiler armasm User Guide : SHL (vector)

SHL (vector)

Shift left (immediate).

Syntax

SHL Vd.T, Vn.T, #shift

Where:

Vd

Is the name of the SIMD and FP destination register.

T

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

Vn

Is the name of the SIMD and FP source register.

shift

Is the left shift amount, in the range 0 to the element width in bits minus 1, and can be one of the values shown in Usage.

Usage

The following table shows the valid specifier combinations:

Table 20-43 SHL (Vector) specifier combinations

T shift
8B to 7
16B 0 to 7
4H 0 to 15
8H 0 to 15
2S 0 to 31
4S 0 to 31
2D 0 to 63
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