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Commit 35d08ff3 authored by wlott's avatar wlott
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Added ``count-me'' vop.

parent c6e8909f
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......@@ -7,7 +7,7 @@
;;; Scott Fahlman (FAHLMAN@CMUC).
;;; **********************************************************************
;;;
;;; $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/sparc/system.lisp,v 1.1 1990/11/30 17:05:05 wlott Exp $
;;; $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/sparc/system.lisp,v 1.2 1990/12/08 22:51:36 wlott Exp $
;;;
;;; MIPS VM definitions of various system hacking operations.
;;;
......@@ -270,3 +270,18 @@
(:generator 1
(inst unimp halt-trap)))
;;;; Dynamic vop count collection support
(define-vop (count-me)
(:args (count-vector :scs (descriptor-reg)))
(:info index)
(:temporary (:scs (non-descriptor-reg)) count)
(:generator 1
(let ((offset
(- (* (+ index vector-data-offset) word-bytes) other-pointer-type)))
(assert (typep offset '(signed-byte 13)))
(inst ld count count-vector offset)
(inst add count 1)
(inst st count count-vector offset))))
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