X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Falloc.lisp;h=55c6df53aff6999fa29d4c1b8a8c86cea1869a7a;hb=b9e94e326f79ab01e56cb437e424ce5ea489471f;hp=29d93d58392fbcde5ebfeb7a0584aad214832a3e;hpb=f5413fc1ba97667f829073f4aae2c62377265072;p=sbcl.git diff --git a/src/compiler/ppc/alloc.lisp b/src/compiler/ppc/alloc.lisp index 29d93d5..55c6df5 100644 --- a/src/compiler/ppc/alloc.lisp +++ b/src/compiler/ppc/alloc.lisp @@ -1,4 +1,4 @@ -;;;; allocation VOPs +;;;; allocation VOPs for the PPC ;;;; This software is part of the SBCL system. See the README file for ;;;; more information. @@ -22,55 +22,58 @@ (:temporary (:scs (descriptor-reg) :type list) ptr) (:temporary (:scs (descriptor-reg)) temp) (:temporary (:scs (descriptor-reg) :type list :to (:result 0) :target result) - res) + res) (:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag) + (:temporary (:scs (non-descriptor-reg)) alloc-temp) (:info num) (:results (result :scs (descriptor-reg))) (:variant-vars star) (:policy :safe) (:node-var node) + #!-gencgc (:ignore alloc-temp) (:generator 0 (cond ((zerop num) - (move result null-tn)) - ((and star (= num 1)) - (move result (tn-ref-tn things))) - (t - (macrolet - ((maybe-load (tn) - (once-only ((tn tn)) - `(sc-case ,tn - ((any-reg descriptor-reg zero null) - ,tn) - (control-stack - (load-stack-tn temp ,tn) - temp))))) - (let* ((dx-p (node-stack-allocate-p node)) - (cons-cells (if star (1- num) num)) - (alloc (* (pad-data-block cons-size) cons-cells))) - (pseudo-atomic (pa-flag :extra (if dx-p 0 alloc)) - (let ((allocation-area-tn (if dx-p csp-tn alloc-tn))) - (when dx-p - (align-csp res)) - (inst clrrwi res allocation-area-tn n-lowtag-bits) - (inst ori res res list-pointer-lowtag) - (when dx-p - (inst addi csp-tn csp-tn alloc))) - (move ptr res) - (dotimes (i (1- cons-cells)) - (storew (maybe-load (tn-ref-tn things)) ptr - cons-car-slot list-pointer-lowtag) - (setf things (tn-ref-across things)) - (inst addi ptr ptr (pad-data-block cons-size)) - (storew ptr ptr - (- cons-cdr-slot cons-size) - list-pointer-lowtag)) - (storew (maybe-load (tn-ref-tn things)) ptr - cons-car-slot list-pointer-lowtag) - (storew (if star - (maybe-load (tn-ref-tn (tn-ref-across things))) - null-tn) - ptr cons-cdr-slot list-pointer-lowtag)) - (move result res))))))) + (move result null-tn)) + ((and star (= num 1)) + (move result (tn-ref-tn things))) + (t + (macrolet + ((maybe-load (tn) + (once-only ((tn tn)) + `(sc-case ,tn + ((any-reg descriptor-reg zero null) + ,tn) + (control-stack + (load-stack-tn temp ,tn) + temp))))) + (let* ((dx-p (node-stack-allocate-p node)) + (cons-cells (if star (1- num) num)) + (alloc (* (pad-data-block cons-size) cons-cells))) + (pseudo-atomic (pa-flag) + (if dx-p + (progn + (align-csp res) + (inst clrrwi res csp-tn n-lowtag-bits) + (inst ori res res list-pointer-lowtag) + (inst addi csp-tn csp-tn alloc)) + (allocation res alloc list-pointer-lowtag :temp-tn alloc-temp + :flag-tn pa-flag)) + (move ptr res) + (dotimes (i (1- cons-cells)) + (storew (maybe-load (tn-ref-tn things)) ptr + cons-car-slot list-pointer-lowtag) + (setf things (tn-ref-across things)) + (inst addi ptr ptr (pad-data-block cons-size)) + (storew ptr ptr + (- cons-cdr-slot cons-size) + list-pointer-lowtag)) + (storew (maybe-load (tn-ref-tn things)) ptr + cons-car-slot list-pointer-lowtag) + (storew (if star + (maybe-load (tn-ref-tn (tn-ref-across things))) + null-tn) + ptr cons-cdr-slot list-pointer-lowtag)) + (move result res))))))) (define-vop (list list-or-list*) (:variant nil)) @@ -83,9 +86,10 @@ (define-vop (allocate-code-object) (:args (boxed-arg :scs (any-reg)) - (unboxed-arg :scs (any-reg))) + (unboxed-arg :scs (any-reg))) (:results (result :scs (descriptor-reg))) (:temporary (:scs (non-descriptor-reg)) ndescr) + (:temporary (:scs (non-descriptor-reg)) size) (:temporary (:scs (any-reg) :from (:argument 0)) boxed) (:temporary (:scs (non-descriptor-reg) :from (:argument 1)) unboxed) (:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag) @@ -99,9 +103,8 @@ ;; Note: we don't have to subtract off the 4 that was added by ;; pseudo-atomic, because oring in other-pointer-lowtag just adds ;; it right back. - (inst ori result alloc-tn other-pointer-lowtag) - (inst add alloc-tn alloc-tn boxed) - (inst add alloc-tn alloc-tn unboxed) + (inst add size boxed unboxed) + (allocation result size other-pointer-lowtag :temp-tn ndescr :flag-tn pa-flag) (inst slwi ndescr boxed (- n-widetag-bits word-shift)) (inst ori ndescr ndescr code-header-widetag) (storew ndescr result 0 other-pointer-lowtag) @@ -131,23 +134,25 @@ (:results (result :scs (descriptor-reg))) (:generator 10 (let* ((size (+ length closure-info-offset)) - (alloc-size (pad-data-block size)) - (allocation-area-tn (if stack-allocate-p csp-tn alloc-tn))) - (pseudo-atomic (pa-flag :extra (if stack-allocate-p 0 alloc-size)) - (when stack-allocate-p - (align-csp result)) - (inst clrrwi. result allocation-area-tn n-lowtag-bits) - (when stack-allocate-p - (inst addi csp-tn csp-tn alloc-size)) - (inst ori result result fun-pointer-lowtag) - (inst lr temp (logior (ash (1- size) n-widetag-bits) closure-header-widetag)) - (storew temp result 0 fun-pointer-lowtag))) - ;(inst lis temp (ash 18 10)) - ;(storew temp result closure-jump-insn-slot function-pointer-type) - (storew function result closure-fun-slot fun-pointer-lowtag))) + (alloc-size (pad-data-block size))) + (pseudo-atomic (pa-flag) + (if stack-allocate-p + (progn + (align-csp result) + (inst clrrwi. result csp-tn n-lowtag-bits) + (inst addi csp-tn csp-tn alloc-size) + (inst ori result result fun-pointer-lowtag) + (inst lr temp (logior (ash (1- size) n-widetag-bits) closure-header-widetag))) + (progn + (allocation result (pad-data-block size) + fun-pointer-lowtag :temp-tn temp :flag-tn pa-flag) + (inst lr temp (logior (ash (1- size) n-widetag-bits) closure-header-widetag)))) + ;;; should this be closure-fun-slot instead of 0? + (storew temp result 0 fun-pointer-lowtag) + (storew function result closure-fun-slot fun-pointer-lowtag))))) ;;; The compiler likes to be able to directly make value cells. -;;; +;;; (define-vop (make-value-cell) (:args (value :to :save :scs (descriptor-reg any-reg))) (:temporary (:scs (non-descriptor-reg)) temp) @@ -167,6 +172,12 @@ (:generator 1 (inst li result unbound-marker-widetag))) +(define-vop (make-funcallable-instance-tramp) + (:args) + (:results (result :scs (any-reg))) + (:generator 1 + (inst lr result (make-fixup "funcallable_instance_tramp" :foreign)))) + (define-vop (fixed-alloc) (:args) (:info name words type lowtag) @@ -175,24 +186,18 @@ (:temporary (:scs (non-descriptor-reg)) temp) (:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag) (:generator 4 - (pseudo-atomic (pa-flag :extra (pad-data-block words)) - (cond ((logbitp 2 lowtag) - (inst ori result alloc-tn lowtag)) - (t - (inst clrrwi result alloc-tn n-lowtag-bits) - (inst ori result result lowtag))) - (when type - (inst lr temp (logior (ash (1- words) n-widetag-bits) type)) - (storew temp result 0 lowtag))))) + (with-fixed-allocation (result pa-flag temp type words :lowtag lowtag) + ))) (define-vop (var-alloc) (:args (extra :scs (any-reg))) (:arg-types positive-fixnum) (:info name words type lowtag) - (:ignore name) + (:ignore name #!-gencgc temp) (:results (result :scs (descriptor-reg))) (:temporary (:scs (any-reg)) bytes) (:temporary (:scs (non-descriptor-reg)) header) + (:temporary (:scs (non-descriptor-reg)) temp) (:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag) (:generator 6 (inst addi bytes extra (* (1+ words) n-word-bytes)) @@ -200,10 +205,5 @@ (inst addi header header (+ (ash -2 n-widetag-bits) type)) (inst clrrwi bytes bytes n-lowtag-bits) (pseudo-atomic (pa-flag) - (cond ((logbitp 2 lowtag) - (inst ori result alloc-tn lowtag)) - (t - (inst clrrwi result alloc-tn n-lowtag-bits) - (inst ori result result lowtag))) - (storew header result 0 lowtag) - (inst add alloc-tn alloc-tn bytes)))) + (allocation result bytes lowtag :temp-tn temp :flag-tn pa-flag) + (storew header result 0 lowtag))))