##peek
Basic block instructions

Prev:	##parallel-copy
Next:	##reload

Vocabulary
compiler.cfg.instructions

Class description
Copies a value from a stack location to a machine register.

See also
##replace

Definition

IN: compiler.cfg.instructions

TUPLE: ##peek < flushable-insn dst loc insn# ;

Methods

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

M: ##peek >avail-insn-defs [ ] change-dst drop ;


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

M: ##peek assign-insn-defs [ vreg>reg ] change-dst drop ;


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

M: ##peek convert-insn-defs
    [ converted-value ] change-dst drop ;


USING: compiler.cfg.instructions
compiler.cfg.representations.preferred cpu.architecture kernel ;

M: ##peek defs-vreg-reps drop { tagged-rep } ;


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

M: ##peek defs-vregs dst>> 1array ;


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

M: ##peek generate-insn
    [ dst>> ] keep [ loc>> ] keep drop %peek ;


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

M: ##peek rename-insn-defs [ rename-value ] change-dst drop ;


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

M: ##peek ssa-rename-insn-defs [ gen-name ] change-dst drop ;


USING: accessors compiler.cfg.instructions
compiler.cfg.stacks.padding kernel math ;

M: ##peek visit-insn
    dup loc>> n>> 0 >= t assert= dupd underflowable-peek?
    [ all-live ] when ;