38 lines
1.1 KiB
Factor
38 lines
1.1 KiB
Factor
! Copyright (C) 2005 Slava Pestov.
|
|
! See http://factor.sf.net/license.txt for BSD license.
|
|
IN: compiler-backend
|
|
USING: alien assembler compiler inference kernel lists math
|
|
memory sequences words ;
|
|
|
|
: reg-stack ( reg n -- op ) cell * neg 2list ;
|
|
: ds-op ( n -- op ) ESI swap reg-stack ;
|
|
: cs-op ( n -- op ) EBX swap reg-stack ;
|
|
|
|
: (%peek) dup vop-out-1 v>operand swap vop-in-1 ;
|
|
|
|
M: %peek-d generate-node ( vop -- ) (%peek) ds-op MOV ;
|
|
|
|
M: %peek-r generate-node ( vop -- ) (%peek) cs-op MOV ;
|
|
|
|
: (%replace) dup vop-in-2 v>operand swap vop-in-1 ;
|
|
|
|
M: %replace-d generate-node ( vop -- ) (%replace) ds-op swap MOV ;
|
|
|
|
M: %replace-r generate-node ( vop -- ) (%replace) cs-op swap MOV ;
|
|
|
|
: (%inc) swap vop-in-1 cell * dup 0 > [ ADD ] [ neg SUB ] ifte ;
|
|
|
|
M: %inc-d generate-node ( vop -- ) ESI (%inc) ;
|
|
|
|
M: %inc-r generate-node ( vop -- ) EBX (%inc) ;
|
|
|
|
M: %immediate generate-node ( vop -- )
|
|
dup vop-out-1 v>operand swap vop-in-1 address MOV ;
|
|
|
|
: load-indirect ( dest literal -- )
|
|
intern-literal unit MOV 0 0 rel-address ;
|
|
|
|
M: %indirect generate-node ( vop -- )
|
|
#! indirect load of a literal through a table
|
|
dup vop-out-1 v>operand swap vop-in-1 load-indirect ;
|