##safepoint

Vocabulary

compiler.cfg.instructions

Class description

Instruction that inserts a safe point in the generated code. Sampling can allocate and trigger garbage collection here, so live roots are described by its GC map and live registers are preserved around the poll.

Definition

IN: compiler.cfg.instructions

TUPLE: ##safepoint < insn gc-map insn# ;

Methods

USING: accessors compiler.cfg.instructions compiler.codegen
compiler.codegen.gc-maps cpu.architecture ;

M: ##safepoint generate-insn gc-map>> gc-map-here %safepoint ;