immediate-slot-offset? ( object -- ? )

Vocabulary

compiler.cfg.intrinsics.slots

Inputs

object

an object

Outputs

?

a boolean

Word description

t if the object is a fixnum that is small enough to fit into a machine register. It is used to determine whether immediate versions of the instructions ##set-slot and ##set-slot-imm can be emitted.

Examples

USING: compiler.cfg.intrinsics.slots compiler.tree.propagation.info prettyprint ; 33 immediate-slot-offset? .
t

Definition

USING: combinators.short-circuit cpu.architecture layouts math ;

IN: compiler.cfg.intrinsics.slots

: immediate-slot-offset? ( object -- ? )
    { [ fixnum? ] [ cell * immediate-arithmetic? ] } 1&& ;