inserting-peeks ( from to -- set )

Vocabulary

compiler.cfg.stacks.finalize

Inputs

from	a basic-block
to	a basic-block

Outputs

set

an assoc

Word description

A peek is inserted on an edge if the destination anticipates the stack location, the source does not anticipate it and it is not available from the source in a register.

See also

inserting-replaces

Definition

USING: compiler.cfg.stacks.global sets ;

IN: compiler.cfg.stacks.finalize

:: inserting-peeks ( from to -- set )
    to anticip-in from anticip-out from avail-out union diff ;