rewrite-subtraction-identity ( insn -- insn' )


Vocabulary
compiler.cfg.gvn.math

Inputs
insnan object


Outputs
insn'an object


Definition
USING: accessors compiler.cfg.instructions ;

IN: compiler.cfg.gvn.math

: rewrite-subtraction-identity ( insn -- insn' )
dst>> 0 ##load-integer new-insn ;