%select-vector-32 ( dst src n rep -- )

Vocabulary

cpu.x86.sse

Inputs

dst	an object
src	an object
n	an object
rep	an object

Outputs

None

Definition

USING: combinators cpu.architecture cpu.x86.assembler
cpu.x86.assembler.operands kernel ;

IN: cpu.x86.sse

:: %select-vector-32 ( dst src n rep -- )
    rep {
        {
            char-16-rep
            [
                dst 32-bit-version-of src n PEXTRB
                dst dst 8-bit-version-of MOVSX
            ]
        }
        { uchar-16-rep [ dst 32-bit-version-of src n PEXTRB ] }
        {
            short-8-rep
            [
                dst 32-bit-version-of src n PEXTRW
                dst dst 16-bit-version-of MOVSX
            ]
        }
        { ushort-8-rep [ dst 32-bit-version-of src n PEXTRW ] }
        {
            int-4-rep
            [
                dst 32-bit-version-of src n PEXTRD
                dst dst 32-bit-version-of 2dup =
                [ 2drop ] [ MOVSX ] if
            ]
        }
        { uint-4-rep [ dst 32-bit-version-of src n PEXTRD ] }
    } case ;