unary-constant-fold? ( insn -- ? )

Vocabulary

compiler.cfg.value-numbering.folding

Inputs

insn

an object

Outputs

?

an object

Definition

IN: compiler.cfg.value-numbering.folding

GENERIC: unary-constant-fold? ( insn -- ? )

Methods

USING: accessors compiler.cfg.instructions
compiler.cfg.value-numbering.folding
compiler.cfg.value-numbering.rewrite generic kernel math ;

M: ##integer>float unary-constant-fold?
    dup M\ ##integer>float unary-constant-fold?
    (call-next-method)
    [ src>> vreg>integer abs 9007199254740992 <= ] [ drop f ] if
    ;


USING: accessors compiler.cfg.instructions
compiler.cfg.value-numbering.folding
compiler.cfg.value-numbering.graph ;

M: insn unary-constant-fold? src>> vreg>insn ##load-integer? ;