src/compiler/pseudo-vops.lisp

   1 ;;;; This file contains definitions of VOPs used as internal markers by
   2 ;;;; the compiler. Since they don't emit any code, they should be
   3 ;;;; portable.
   4
   5 ;;;; This software is part of the SBCL system. See the README file for
   6 ;;;; more information.
   7 ;;;;
   8 ;;;; This software is derived from the CMU CL system, which was
   9 ;;;; written at Carnegie Mellon University and released into the
  10 ;;;; public domain. The software is in the public domain and is
  11 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  12 ;;;; files for more information.
  13
  14 (in-package "SB!C")
  15
  16 ;;; This notes the place at which the environment is properly
  17 ;;; initialized, for debug-info purposes.
  18 (define-vop (note-environment-start)
  19   (:info start-lab)
  20   (:vop-var vop)
  21   (:save-p :compute-only)
  22   (:generator 0
  23     (emit-label start-lab)
  24     (note-debug-location vop start-lab :non-local-entry)))
  25
  26 ;;; Call a move function. Used for register save/restore and spilling.
  27 (define-vop (move-operand)
  28   (:args (x))
  29   (:results (y))
  30   (:info name)
  31   (:vop-var vop)
  32   (:generator 0
  33     (funcall (symbol-function name) vop x y)))