gc-check-insn

Vocabulary

compiler.cfg.instructions

Class description

GC calls and safepoint polls. Register allocation preserves live values around these instructions, including tagged roots, derived pointers and floating-point values.

Definition

IN: compiler.cfg.instructions

UNION: gc-check-insn ##call-gc ##safepoint ;

Methods

USING: accessors compiler.cfg.instructions
compiler.cfg.linear-scan.live-intervals kernel sequences ;

M: gc-check-insn compute-live-intervals*
    [ uses-vregs* ] [ insn#>> ] bi '[ _ f record-use ] each ;


USING: compiler.cfg.instructions
compiler.cfg.ssa.interference.live-ranges.private kernel math ;

M: gc-check-insn record-insn [ 2 * ] dip record-uses ;


USING: compiler.cfg.instructions compiler.cfg.stacks.padding
kernel ;

M: gc-check-insn visit-insn drop all-live ;