emit-##call-gc ( insn -- )
Assigning registers to live intervals

Prev:	change-insn-gc-roots ( gc-map-insn quot: ( x -- x ) -- )
Next:	activate-interval ( live-interval -- )

Vocabulary
compiler.cfg.linear-scan.assignment

Inputs

insn	a gc-check-insn

Outputs
None

Word description
Emits a GC call or safepoint poll and the ##reload and ##spill instructions it requires. These instructions are not counted as ordinary sync points, so they require special handling.

Definition

USING: kernel make sequences ;

IN: compiler.cfg.linear-scan.assignment

: emit-##call-gc ( insn -- )
    dup spill/reloads-for-call-gc dup [ first3 emit-save ] each
    swap , [ first3 emit-restore ] each ;