assign-registers-in-block ( bb -- )

Vocabulary

compiler.cfg.linear-scan.assignment

Inputs

bb	a basic-block

Outputs

None

Word description

Assigns registers to vregs and also inserts ##reload and ##spill instructions.

Definition

USING: accessors kernel make sequences ;

IN: compiler.cfg.linear-scan.assignment

: assign-registers-in-block ( bb -- )
    dup begin-block [
        [
            [
                [ insn#>> prepare-insn ]
                [ assign-all-registers ] [ emit-insn ] tri
            ] each
        ] V{ } make
    ] change-instructions compute-live-out ;