insert-save-contexts ( cfg -- )
Insert context saves

Vocabulary
compiler.cfg.save-contexts

Inputs

cfg

a cfg

Outputs
None

Word description
Inserts ##save-context instructions in each basic-block in the cfg that needs them. Save contexts are needed after instructions that modify the context, or instructions that read parameter registers.

See also
insns-needs-save-context?

Definition

USING: compiler.cfg.rpo ;

IN: compiler.cfg.save-contexts

: insert-save-contexts ( cfg -- )
    [ insert-save-context ] simple-optimization ;