##spill
Basic block instructions

Prev:	##replace-imm
Next:	##branch

Vocabulary
compiler.cfg.instructions

Class description
Instruction that copies a value from a register to a spill-slot.

rep	Register representation which is necessary when spilling SIMD registers.

See also
##reload

Definition

IN: compiler.cfg.instructions

TUPLE: ##spill < vreg-insn src rep dst insn# ;

Methods

USING: accessors compiler.cfg.gvn.avail
compiler.cfg.instructions kernel ;

M: ##spill >avail-insn-uses
    [ dup >avail-vreg swap or ] change-src drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.linear-scan.assignment kernel ;

M: ##spill assign-insn-uses [ vreg>reg ] change-src drop ;


USING: compiler.cfg.build-stack-frame compiler.cfg.instructions
kernel ;

M: ##spill compute-stack-frame* drop t ;


USING: accessors compiler.cfg.instructions
compiler.cfg.representations.rewrite kernel ;

M: ##spill convert-insn-uses
    [ converted-value ] change-src drop ;


USING: accessors compiler.cfg.instructions compiler.codegen
cpu.architecture kernel ;

M: ##spill generate-insn
    [ src>> ] keep [ rep>> ] keep [ dst>> ] keep drop %spill ;


USING: accessors compiler.cfg.instructions compiler.cfg.renaming
kernel ;

M: ##spill rename-insn-uses [ rename-value ] change-src drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.ssa.construction.private kernel ;

M: ##spill ssa-rename-insn-uses [ top-name ] change-src drop ;


USING: accessors arrays compiler.cfg.instructions
compiler.cfg.representations.preferred ;

M: ##spill uses-vreg-reps rep>> 1array ;


USING: accessors arrays compiler.cfg.def-use
compiler.cfg.instructions ;

M: ##spill uses-vregs src>> 1array ;