coalesce-later ( insn -- )

Vocabulary

compiler.cfg.ssa.destruction.coalescing

Inputs

insn

an insn

Outputs

None

Word description

Generic word supposed to be called in a make context which generates a list of eliminatable vreg copies. The copies are batched up and then eliminated by try-eliminate-copies.

Definition

IN: compiler.cfg.ssa.destruction.coalescing

GENERIC: coalesce-later ( insn -- )

Methods

USING: accessors arrays compiler.cfg.instructions
compiler.cfg.ssa.destruction.coalescing kernel make ;

M: ##copy coalesce-later [ dst>> ] [ src>> ] bi 2array , ;


USING: accessors compiler.cfg.instructions
compiler.cfg.ssa.destruction.coalescing make ;

M: ##parallel-copy coalesce-later values>> % ;


USING: compiler.cfg.instructions
compiler.cfg.ssa.destruction.coalescing kernel ;

M: alien-call-insn coalesce-later drop ;


USING: compiler.cfg.instructions
compiler.cfg.ssa.destruction.coalescing kernel ;

M: insn coalesce-later drop ;


USING: assocs compiler.cfg.def-use compiler.cfg.instructions
compiler.cfg.ssa.destruction.coalescing kernel make sequences ;

M: vreg-insn coalesce-later
    [ defs-vregs ] [ uses-vregs ] bi zip ?first [ , ] when* ;