X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fsystem.lisp;h=96ca14dcf2b0277d658c75a04774693585527662;hb=804bd4d97228b8ddde6e5d9b4f0c75c889efd819;hp=8081b4162e26a85c80b1d5303665957991ffe483;hpb=50305b602c3953440af716137a56f50cd204375d;p=sbcl.git diff --git a/src/compiler/x86/system.lisp b/src/compiler/x86/system.lisp index 8081b41..96ca14d 100644 --- a/src/compiler/x86/system.lisp +++ b/src/compiler/x86/system.lisp @@ -13,19 +13,19 @@ ;;;; type frobbing VOPs -(define-vop (get-lowtag) - (:translate get-lowtag) +(define-vop (lowtag-of) + (:translate lowtag-of) (:policy :fast-safe) (:args (object :scs (any-reg descriptor-reg control-stack) - :target result)) + :target result)) (:results (result :scs (unsigned-reg))) (:result-types positive-fixnum) (:generator 1 (move result object) (inst and result lowtag-mask))) -(define-vop (get-type) - (:translate get-type) +(define-vop (widetag-of) + (:translate widetag-of) (:policy :fast-safe) (:args (object :scs (descriptor-reg))) (:temporary (:sc unsigned-reg :offset eax-offset :to (:result 0)) eax) @@ -61,8 +61,8 @@ DONE (inst movzx result al-tn))) -(define-vop (function-subtype) - (:translate function-subtype) +(define-vop (fun-subtype) + (:translate fun-subtype) (:policy :fast-safe) (:args (function :scs (descriptor-reg))) (:temporary (:sc byte-reg :from (:eval 0) :to (:eval 1)) temp) @@ -72,22 +72,20 @@ (load-type temp function (- fun-pointer-lowtag)) (inst movzx result temp))) -(define-vop (set-function-subtype) - (:translate (setf function-subtype)) +(define-vop (set-fun-subtype) + (:translate (setf fun-subtype)) (:policy :fast-safe) (:args (type :scs (unsigned-reg) :target eax) - (function :scs (descriptor-reg))) + (function :scs (descriptor-reg))) (:arg-types positive-fixnum *) (:temporary (:sc unsigned-reg :offset eax-offset :from (:argument 0) - :to (:result 0) :target result) - eax) + :to (:result 0) :target result) + eax) (:results (result :scs (unsigned-reg))) (:result-types positive-fixnum) (:generator 6 (move eax type) - (inst mov - (make-ea :byte :base function :disp (- fun-pointer-lowtag)) - al-tn) + (storeb al-tn function 0 fun-pointer-lowtag) (move result eax))) (define-vop (get-header-data) @@ -114,11 +112,11 @@ (:translate set-header-data) (:policy :fast-safe) (:args (x :scs (descriptor-reg) :target res :to (:result 0)) - (data :scs (any-reg) :target eax)) + (data :scs (any-reg) :target eax)) (:arg-types * positive-fixnum) (:results (res :scs (descriptor-reg))) (:temporary (:sc unsigned-reg :offset eax-offset - :from (:argument 1) :to (:result 0)) eax) + :from (:argument 1) :to (:result 0)) eax) (:generator 6 (move eax data) (inst shl eax (- n-widetag-bits 2)) @@ -138,14 +136,14 @@ (define-vop (make-other-immediate-type) (:args (val :scs (any-reg descriptor-reg) :target res) - (type :scs (unsigned-reg immediate))) + (type :scs (unsigned-reg immediate))) (:results (res :scs (any-reg descriptor-reg) :from (:argument 0))) (:generator 2 (move res val) (inst shl res (- n-widetag-bits 2)) (inst or res (sc-case type - (unsigned-reg type) - (immediate (tn-value type)))))) + (unsigned-reg type) + (immediate (tn-value type)))))) ;;;; allocation @@ -163,7 +161,7 @@ (:translate binding-stack-pointer-sap) (:policy :fast-safe) (:generator 1 - (load-symbol-value int *binding-stack-pointer*))) + (load-binding-stack-pointer int))) (defknown (setf binding-stack-pointer-sap) (system-area-pointer) system-area-pointer ()) @@ -176,7 +174,7 @@ (:translate (setf binding-stack-pointer-sap)) (:policy :fast-safe) (:generator 1 - (store-symbol-value new-value *binding-stack-pointer*) + (store-binding-stack-pointer new-value) (move int new-value))) (define-vop (control-stack-pointer-sap) @@ -199,19 +197,19 @@ (loadw sap code 0 other-pointer-lowtag) (inst shr sap n-widetag-bits) (inst lea sap (make-ea :byte :base code :index sap :scale 4 - :disp (- other-pointer-lowtag))))) + :disp (- other-pointer-lowtag))))) -(define-vop (compute-function) +(define-vop (compute-fun) (:args (code :scs (descriptor-reg) :to (:result 0)) - (offset :scs (signed-reg unsigned-reg) :to (:result 0))) + (offset :scs (signed-reg unsigned-reg) :to (:result 0))) (:arg-types * positive-fixnum) (:results (func :scs (descriptor-reg) :from (:argument 0))) (:generator 10 (loadw func code 0 other-pointer-lowtag) (inst shr func n-widetag-bits) (inst lea func - (make-ea :byte :base offset :index func :scale 4 - :disp (- fun-pointer-lowtag other-pointer-lowtag))) + (make-ea :byte :base offset :index func :scale 4 + :disp (- fun-pointer-lowtag other-pointer-lowtag))) (inst add func code))) (define-vop (%simple-fun-self) @@ -222,57 +220,54 @@ (:generator 3 (loadw result function simple-fun-self-slot fun-pointer-lowtag) (inst lea result - (make-ea :byte :base result - :disp (- fun-pointer-lowtag - (* simple-fun-code-offset n-word-bytes)))))) + (make-ea :byte :base result + :disp (- fun-pointer-lowtag + (* simple-fun-code-offset n-word-bytes)))))) ;;; The closure function slot is a pointer to raw code on X86 instead ;;; of a pointer to the code function object itself. This VOP is used ;;; to reference the function object given the closure object. -(def-source-transform %closure-fun (closure) +(define-source-transform %closure-fun (closure) `(%simple-fun-self ,closure)) -(def-source-transform %funcallable-instance-fun (fin) - `(%simple-fun-self ,fin)) - (define-vop (%set-fun-self) (:policy :fast-safe) (:translate (setf %simple-fun-self)) (:args (new-self :scs (descriptor-reg) :target result :to :result) - (function :scs (descriptor-reg) :to :result)) + (function :scs (descriptor-reg) :to :result)) (:temporary (:sc any-reg :from (:argument 0) :to :result) temp) (:results (result :scs (descriptor-reg))) (:generator 3 - (inst lea temp - (make-ea :byte :base new-self - :disp (- (ash simple-fun-code-offset word-shift) - fun-pointer-lowtag))) + (inst lea temp (make-ea-for-object-slot new-self simple-fun-code-offset + fun-pointer-lowtag)) (storew temp function simple-fun-self-slot fun-pointer-lowtag) (move result new-self))) - -;;; KLUDGE: This seems to be some kind of weird override of the way -;;; that the objdef.lisp code would ordinarily set up the slot -;;; accessor. It's inherited from CMU CL, and it works, and naively -;;; deleting it seemed to cause problems, but it's not obvious why -;;; it's done this way. Any ideas? -- WHN 2001-08-02 -(defknown ((setf %funcallable-instance-fun)) (function function) function - (unsafe)) -;;; CMU CL comment: -;;; We would have really liked to use a source-transform for this, but -;;; they don't work with SETF functions. -;;; FIXME: Can't we just use DEFSETF or something? -(deftransform (setf %funcallable-instance-fun) ((value fin)) - '(setf (%simple-fun-self fin) value)) ;;;; other miscellaneous VOPs -(defknown sb!unix::do-pending-interrupt () (values)) -(define-vop (sb!unix::do-pending-interrupt) +(defknown sb!unix::receive-pending-interrupt () (values)) +(define-vop (sb!unix::receive-pending-interrupt) (:policy :fast-safe) - (:translate sb!unix::do-pending-interrupt) + (:translate sb!unix::receive-pending-interrupt) (:generator 1 (inst break pending-interrupt-trap))) +#!+sb-thread +(defknown current-thread-offset-sap ((unsigned-byte 32)) + system-area-pointer (flushable)) + +#!+sb-thread +(define-vop (current-thread-offset-sap) + (:results (sap :scs (sap-reg))) + (:result-types system-area-pointer) + (:translate current-thread-offset-sap) + (:args (n :scs (unsigned-reg) :target sap)) + (:arg-types unsigned-num) + (:policy :fast-safe) + (:generator 2 + (inst fs-segment-prefix) + (inst mov sap (make-ea :dword :disp 0 :index n :scale 4)))) + (define-vop (halt) (:generator 1 (inst break halt-trap))) @@ -294,6 +289,4 @@ (:args (count-vector :scs (descriptor-reg))) (:info index) (:generator 0 - (inst inc (make-ea :dword :base count-vector - :disp (- (* (+ vector-data-offset index) n-word-bytes) - other-pointer-lowtag))))) + (inst inc (make-ea-for-vector-data count-vector :offset index))))