diff --git a/compiler/mips/insts.lisp b/compiler/mips/insts.lisp index f7b46807b13281929720b32acdad96c5b7e5f080..81c2db981ce8624c0e34aa88976aeb6c6afd5284 100644 --- a/compiler/mips/insts.lisp +++ b/compiler/mips/insts.lisp @@ -7,11 +7,11 @@ ;;; Scott Fahlman or slisp-group@cs.cmu.edu. ;;; (ext:file-comment - "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/insts.lisp,v 1.31 1991/05/24 19:41:42 wlott Exp $") + "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/insts.lisp,v 1.32 1991/07/31 07:06:38 wlott Exp $") ;;; ;;; ********************************************************************** ;;; -;;; $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/insts.lisp,v 1.31 1991/05/24 19:41:42 wlott Exp $ +;;; $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/insts.lisp,v 1.32 1991/07/31 07:06:38 wlott Exp $ ;;; ;;; Description of the MIPS architecture. ;;; @@ -101,11 +101,23 @@ (defun register-p (object) (and (tn-p object) - (eq (sb-name (sc-sb (tn-sc object))) 'registers))) + (let* ((sc (tn-sc object)) + (sc-name (sc-name sc)) + (sb (sc-sb sc)) + (sb-name (sb-name sb))) + (or (eq sc-name 'zero) + (eq sc-name 'null) + (eq sb-name 'registers))))) + +(defun tn-register-number (tn) + (sc-case tn + (zero zero-offset) + (null null-offset) + (t (tn-offset tn)))) (define-argument-type register :type '(satisfies register-p) - :function tn-offset) + :function tn-register-number) (defun fp-reg-p (object) (and (tn-p object)