emit-gc-info-bitmap ( gc-maps -- spill-count )

Vocabulary

compiler.codegen.gc-maps

Inputs

gc-maps

a sequence

Outputs

spill-count

maximum number of spill slots

Word description

Emits a bitmap of live locations of spill slots in the 'gc-maps' to the current make sequence.

Definition

USING: accessors bit-arrays make sequences ;

IN: compiler.codegen.gc-maps

: emit-gc-info-bitmap ( gc-maps -- spill-count )
    [ gc-root-offsets ] map [ emit-gc-roots ] ?{ } make
    underlying>> % ;