clobber-insn? ( object -- ? )

Vocabulary

compiler.cfg.linear-scan.live-intervals

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the clobber-insn class.

Definition

USING: classes.tuple.private compiler.cfg.instructions kernel
math.private slots.private ;

IN: compiler.cfg.linear-scan.live-intervals

: clobber-insn? ( object -- ? )
    dup dup tuple? [
        layout-of
        dup
        1
        slot
        15
        fixnum>=
        [
            15
            slot
            dup
            \ ##box-long-long
            eq?
            [ drop t ]
            [ dup \ ##box eq? [ drop t ] [ \ ##unbox eq? ] if ]
            if
        ]
        [ drop f ]
        if
    ] [ drop f ] if [ drop t ] [ hairy-clobber-insn? ] if ;