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;;; -*- Package: SPARC -*-
;;;
;;; **********************************************************************
;;; This code was written as part of the CMU Common Lisp project at
;;; Carnegie Mellon University, and has been placed in the public domain.
;;; If you want to use this code or any part of CMU Common Lisp, please contact
;;; Scott Fahlman or slisp-group@cs.cmu.edu.
(ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/assembly/sparc/support.lisp,v 1.6 1992/07/31 21:47:10 wlott Exp $")
;;; **********************************************************************
;;;
(in-package "SPARC")
(def-vm-support-routine generate-call-sequence (name style vop)
(ecase style
(:raw
(let ((temp (make-symbol "TEMP"))
(lip (make-symbol "LIP")))
(values
`((inst jali ,lip ,temp (make-fixup ',name :assembly-routine))
(inst nop))
`((:temporary (:scs (non-descriptor-reg) :from (:eval 0) :to (:eval 1))
,temp)
(:temporary (:scs (interior-reg) :from (:eval 0) :to (:eval 1))
,lip)))))
(:full-call
(let ((temp (make-symbol "TEMP"))
(nfp-save (make-symbol "NFP-SAVE"))
(lra (make-symbol "LRA")))
(values
`((let ((lra-label (gen-label))
(cur-nfp (current-nfp-tn ,vop)))
(when cur-nfp
(store-stack-tn ,nfp-save cur-nfp))
(inst compute-lra-from-code ,lra code-tn lra-label ,temp)
(note-this-location ,vop :call-site)
(inst ji ,temp (make-fixup ',name :assembly-routine))
(note-this-location ,vop :single-value-return)
(without-scheduling ()
(move csp-tn ocfp-tn)
(inst nop))
(inst compute-code-from-lra code-tn code-tn
lra-label ,temp)
(when cur-nfp
(load-stack-tn cur-nfp ,nfp-save))))
`((:temporary (:scs (non-descriptor-reg) :from (:eval 0) :to (:eval 1))
,temp)
(:temporary (:sc descriptor-reg :offset lra-offset
:from (:eval 0) :to (:eval 1))
,lra)
(:temporary (:scs (control-stack) :offset nfp-save-offset)
,nfp-save)
(:save-p :compute-only)))))
`((inst ji ,temp (make-fixup ',name :assembly-routine))
(inst nop))
`((:temporary (:scs (non-descriptor-reg) :from (:eval 0) :to (:eval 1))
,temp)))))))
(def-vm-support-routine generate-return-sequence (style)
(ecase style
(:raw
`((inst j
(make-random-tn :kind :normal
:sc (sc-or-lose 'interior-reg *backend*)
:offset lip-offset)
8)