tagged>rep ( dst src rep -- )

Vocabulary

compiler.cfg.representations.conversion

Inputs

dst	vreg
src	vreg
rep	a representation

Outputs

None

Word description

Emits an instruction to the current make sequence for converting a tagged value of the givern representation to an untagged one.

Definition

IN: compiler.cfg.representations.conversion

GENERIC: tagged>rep ( dst src rep -- )

Methods

USING: compiler.cfg.instructions
compiler.cfg.representations.conversion compiler.constants
cpu.architecture kernel ;

M: double-rep tagged>rep
    drop float-offset double-rep f ##load-memory-imm, ;


USING: compiler.cfg.instructions compiler.cfg.registers
compiler.cfg.representations.conversion cpu.architecture ;

M:: float-rep tagged>rep ( dst src rep -- )
    double-rep next-vreg-rep :> temp temp src double-rep
    tagged>rep dst temp ##double>single-float, ;


USING: compiler.cfg.instructions
compiler.cfg.representations.conversion cpu.architecture kernel
layouts namespaces ;

M: int-rep tagged>rep drop tag-bits get ##sar-imm, ;


USING: compiler.cfg.instructions compiler.cfg.registers
compiler.cfg.representations.conversion cpu.architecture ;

M:: scalar-rep tagged>rep ( dst src rep -- )
    tagged-rep next-vreg-rep :> temp temp src int-rep tagged>rep
    dst temp rep ##integer>scalar, ;


USING: compiler.cfg.instructions
compiler.cfg.representations.conversion compiler.constants
cpu.architecture kernel ;

M: vector-rep tagged>rep
    [ byte-array-offset ] dip f ##load-memory-imm, ;