X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fcell.lisp;h=53cea4adc3b1cd16ff28761f9c6307a5a189f0b8;hb=b9e94e326f79ab01e56cb437e424ce5ea489471f;hp=63a74ef9e1bf1fa2f3e438306de14a1af1d1cb9c;hpb=a2ff6543c79752bfe42578f794bda1c28167fd10;p=sbcl.git diff --git a/src/compiler/x86/cell.lisp b/src/compiler/x86/cell.lisp index 63a74ef..53cea4a 100644 --- a/src/compiler/x86/cell.lisp +++ b/src/compiler/x86/cell.lisp @@ -23,30 +23,30 @@ (define-vop (set-slot) (:args (object :scs (descriptor-reg)) - (value :scs (descriptor-reg any-reg immediate))) + (value :scs (descriptor-reg any-reg immediate))) (:info name offset lowtag) (:ignore name) (:results) (:generator 1 (if (sc-is value immediate) - (let ((val (tn-value value))) - (etypecase val - (integer - (inst mov - (make-ea :dword :base object - :disp (- (* offset n-word-bytes) lowtag)) - (fixnumize val))) - (symbol - (inst mov - (make-ea :dword :base object - :disp (- (* offset n-word-bytes) lowtag)) - (+ nil-value (static-symbol-offset val)))) - (character - (inst mov - (make-ea :dword :base object - :disp (- (* offset n-word-bytes) lowtag)) - (logior (ash (char-code val) n-widetag-bits) - character-widetag))))) + (let ((val (tn-value value))) + (etypecase val + (integer + (inst mov + (make-ea :dword :base object + :disp (- (* offset n-word-bytes) lowtag)) + (fixnumize val))) + (symbol + (inst mov + (make-ea :dword :base object + :disp (- (* offset n-word-bytes) lowtag)) + (+ nil-value (static-symbol-offset val)))) + (character + (inst mov + (make-ea :dword :base object + :disp (- (* offset n-word-bytes) lowtag)) + (logior (ash (char-code val) n-widetag-bits) + character-widetag))))) ;; Else, value not immediate. (storew value object offset lowtag)))) @@ -67,22 +67,22 @@ ;;(:policy :fast-safe) (:generator 4 (let ((global-val (gen-label)) - (done (gen-label))) + (done (gen-label))) (loadw tls symbol symbol-tls-index-slot other-pointer-lowtag) (inst or tls tls) (inst jmp :z global-val) (inst fs-segment-prefix) - (inst cmp (make-ea :dword :scale 1 :index tls) unbound-marker-widetag) + (inst cmp (make-ea :dword :base tls) no-tls-value-marker-widetag) (inst jmp :z global-val) (inst fs-segment-prefix) - (inst mov (make-ea :dword :scale 1 :index tls) value) + (inst mov (make-ea :dword :base tls) value) (inst jmp done) (emit-label global-val) (storew value symbol symbol-value-slot other-pointer-lowtag) (emit-label done)))) ;; unithreaded it's a lot simpler ... -#!-sb-thread +#!-sb-thread (define-vop (set cell-set) (:variant symbol-value-slot other-pointer-lowtag)) @@ -107,14 +107,16 @@ (:vop-var vop) (:save-p :compute-only) (:generator 9 - (let* ((err-lab (generate-error-code vop unbound-symbol-error object)) - (ret-lab (gen-label))) + (let* ((check-unbound-label (gen-label)) + (err-lab (generate-error-code vop unbound-symbol-error object)) + (ret-lab (gen-label))) (loadw value object symbol-tls-index-slot other-pointer-lowtag) (inst fs-segment-prefix) - (inst mov value (make-ea :dword :index value :scale 1)) - (inst cmp value unbound-marker-widetag) - (inst jmp :ne ret-lab) + (inst mov value (make-ea :dword :base value)) + (inst cmp value no-tls-value-marker-widetag) + (inst jmp :ne check-unbound-label) (loadw value object symbol-value-slot other-pointer-lowtag) + (emit-label check-unbound-label) (inst cmp value unbound-marker-widetag) (inst jmp :e err-lab) (emit-label ret-lab)))) @@ -132,8 +134,8 @@ (let ((ret-lab (gen-label))) (loadw value object symbol-tls-index-slot other-pointer-lowtag) (inst fs-segment-prefix) - (inst mov value (make-ea :dword :index value :scale 1)) - (inst cmp value unbound-marker-widetag) + (inst mov value (make-ea :dword :base value)) + (inst cmp value no-tls-value-marker-widetag) (inst jmp :ne ret-lab) (loadw value object symbol-value-slot other-pointer-lowtag) (emit-label ret-lab)))) @@ -162,7 +164,7 @@ (define-vop (locked-symbol-global-value-add) (:args (object :scs (descriptor-reg) :to :result) - (value :scs (any-reg) :target result)) + (value :scs (any-reg) :target result)) (:arg-types * tagged-num) (:results (result :scs (any-reg) :from (:argument 1))) (:policy :fast) @@ -173,9 +175,9 @@ (move result value) (inst lock) (inst add (make-ea :dword :base object - :disp (- (* symbol-value-slot n-word-bytes) - other-pointer-lowtag)) - value))) + :disp (- (* symbol-value-slot n-word-bytes) + other-pointer-lowtag)) + value))) #!+sb-thread (define-vop (boundp) @@ -186,24 +188,16 @@ (:info target not-p) (:temporary (:sc descriptor-reg #+nil(:from (:argument 0))) value) (:generator 9 - (if not-p - (let ((not-target (gen-label))) - (loadw value object symbol-value-slot other-pointer-lowtag) - (inst cmp value unbound-marker-widetag) - (inst jmp :ne not-target) - (loadw value object symbol-tls-index-slot other-pointer-lowtag) - (inst fs-segment-prefix) - (inst cmp (make-ea :dword :index value :scale 1) unbound-marker-widetag) - (inst jmp :e target) - (emit-label not-target)) - (progn - (loadw value object symbol-value-slot other-pointer-lowtag) - (inst cmp value unbound-marker-widetag) - (inst jmp :ne target) - (loadw value object symbol-tls-index-slot other-pointer-lowtag) - (inst fs-segment-prefix) - (inst cmp (make-ea :dword :index value :scale 1) unbound-marker-widetag) - (inst jmp :ne target))))) + (let ((check-unbound-label (gen-label))) + (loadw value object symbol-tls-index-slot other-pointer-lowtag) + (inst fs-segment-prefix) + (inst mov value (make-ea :dword :base value)) + (inst cmp value no-tls-value-marker-widetag) + (inst jmp :ne check-unbound-label) + (loadw value object symbol-value-slot other-pointer-lowtag) + (emit-label check-unbound-label) + (inst cmp value unbound-marker-widetag) + (inst jmp (if not-p :e :ne) target)))) #!-sb-thread (define-vop (boundp) @@ -212,10 +206,10 @@ (:args (object :scs (descriptor-reg))) (:conditional) (:info target not-p) - (:temporary (:sc descriptor-reg :from (:argument 0)) value) (:generator 9 - (loadw value object symbol-value-slot other-pointer-lowtag) - (inst cmp value unbound-marker-widetag) + (inst cmp (make-ea-for-object-slot object symbol-value-slot + other-pointer-lowtag) + unbound-marker-widetag) (inst jmp (if not-p :e :ne) target))) @@ -235,7 +229,7 @@ ;;;; fdefinition (FDEFN) objects -(define-vop (fdefn-fun cell-ref) ; /pfw - alpha +(define-vop (fdefn-fun cell-ref) ; /pfw - alpha (:variant fdefn-fun-slot other-pointer-lowtag)) (define-vop (safe-fdefn-fun) @@ -253,16 +247,16 @@ (:policy :fast-safe) (:translate (setf fdefn-fun)) (:args (function :scs (descriptor-reg) :target result) - (fdefn :scs (descriptor-reg))) + (fdefn :scs (descriptor-reg))) (:temporary (:sc unsigned-reg) raw) (:temporary (:sc byte-reg) type) (:results (result :scs (descriptor-reg))) (:generator 38 (load-type type function (- fun-pointer-lowtag)) (inst lea raw - (make-ea :byte :base function - :disp (- (* simple-fun-code-offset n-word-bytes) - fun-pointer-lowtag))) + (make-ea :byte :base function + :disp (- (* simple-fun-code-offset n-word-bytes) + fun-pointer-lowtag))) (inst cmp type simple-fun-header-widetag) (inst jmp :e normal-fn) (inst lea raw (make-fixup "closure_tramp" :foreign)) @@ -279,7 +273,7 @@ (:generator 38 (storew nil-value fdefn fdefn-fun-slot other-pointer-lowtag) (storew (make-fixup "undefined_tramp" :foreign) - fdefn fdefn-raw-addr-slot other-pointer-lowtag) + fdefn fdefn-raw-addr-slot other-pointer-lowtag) (move result fdefn))) ;;;; binding and unbinding @@ -291,30 +285,48 @@ #!+sb-thread (define-vop (bind) (:args (val :scs (any-reg descriptor-reg)) - (symbol :scs (descriptor-reg))) + (symbol :scs (descriptor-reg))) + (:temporary (:sc descriptor-reg :offset eax-offset) eax) (:temporary (:sc unsigned-reg) tls-index temp bsp) - (:generator 5 - (let ((tls-index-valid (gen-label))) - (load-tl-symbol-value bsp *binding-stack-pointer*) + (:generator 10 + (let ((tls-index-valid (gen-label)) + (get-tls-index-lock (gen-label)) + (release-tls-index-lock (gen-label))) + (load-binding-stack-pointer bsp) (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag) (inst add bsp (* binding-size n-word-bytes)) - (store-tl-symbol-value bsp *binding-stack-pointer* temp) - + (store-binding-stack-pointer bsp) (inst or tls-index tls-index) (inst jmp :ne tls-index-valid) - ;; allocate a new tls-index - (load-symbol-value tls-index *free-tls-index*) - (inst add tls-index 4) ;XXX surely we can do this more - (store-symbol-value tls-index *free-tls-index*) ;succintly - (inst sub tls-index 4) - (storew tls-index symbol symbol-tls-index-slot other-pointer-lowtag) + + (pseudo-atomic + (emit-label get-tls-index-lock) + (inst mov temp 1) + (inst xor eax eax) + (inst lock) + (inst cmpxchg (make-ea-for-symbol-value *tls-index-lock*) temp) + (inst jmp :ne get-tls-index-lock) + ;; now with the lock held, see if the symbol's tls index has + ;; been set in the meantime + (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag) + (inst or tls-index tls-index) + (inst jmp :ne release-tls-index-lock) + ;; allocate a new tls-index + (load-symbol-value tls-index *free-tls-index*) + (inst add tls-index 4) ;XXX surely we can do this more + (store-symbol-value tls-index *free-tls-index*) ;succintly + (inst sub tls-index 4) + (storew tls-index symbol symbol-tls-index-slot other-pointer-lowtag) + (emit-label release-tls-index-lock) + (store-symbol-value 0 *tls-index-lock*)) + (emit-label tls-index-valid) - (inst fs-segment-prefix) - (inst mov temp (make-ea :dword :scale 1 :index tls-index)) + (inst fs-segment-prefix) + (inst mov temp (make-ea :dword :base tls-index)) (storew temp bsp (- binding-value-slot binding-size)) (storew symbol bsp (- binding-symbol-slot binding-size)) (inst fs-segment-prefix) - (inst mov (make-ea :dword :scale 1 :index tls-index) val)))) + (inst mov (make-ea :dword :base tls-index) val)))) #!-sb-thread (define-vop (bind) @@ -333,21 +345,21 @@ #!+sb-thread (define-vop (unbind) - ;; four temporaries? + ;; four temporaries? (:temporary (:sc unsigned-reg) symbol value bsp tls-index) (:generator 0 - (load-tl-symbol-value bsp *binding-stack-pointer*) + (load-binding-stack-pointer bsp) (loadw symbol bsp (- binding-symbol-slot binding-size)) (loadw value bsp (- binding-value-slot binding-size)) - (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag) + (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag) (inst fs-segment-prefix) - (inst mov (make-ea :dword :scale 1 :index tls-index) value) + (inst mov (make-ea :dword :base tls-index) value) + (storew 0 bsp (- binding-value-slot binding-size)) (storew 0 bsp (- binding-symbol-slot binding-size)) (inst sub bsp (* binding-size n-word-bytes)) - ;; we're done with value, so we can use it as a temp here - (store-tl-symbol-value bsp *binding-stack-pointer* value))) + (store-binding-stack-pointer bsp))) #!-sb-thread (define-vop (unbind) @@ -357,6 +369,7 @@ (loadw symbol bsp (- binding-symbol-slot binding-size)) (loadw value bsp (- binding-value-slot binding-size)) (storew value symbol symbol-value-slot other-pointer-lowtag) + (storew 0 bsp (- binding-value-slot binding-size)) (storew 0 bsp (- binding-symbol-slot binding-size)) (inst sub bsp (* binding-size n-word-bytes)) (store-symbol-value bsp *binding-stack-pointer*))) @@ -366,7 +379,7 @@ (:args (where :scs (descriptor-reg any-reg))) (:temporary (:sc unsigned-reg) symbol value bsp #!+sb-thread tls-index) (:generator 0 - (load-tl-symbol-value bsp *binding-stack-pointer*) + (load-binding-stack-pointer bsp) (inst cmp where bsp) (inst jmp :e done) @@ -378,17 +391,17 @@ #!-sb-thread (storew value symbol symbol-value-slot other-pointer-lowtag) #!+sb-thread (loadw - tls-index symbol symbol-tls-index-slot other-pointer-lowtag) + tls-index symbol symbol-tls-index-slot other-pointer-lowtag) #!+sb-thread (inst fs-segment-prefix) - #!+sb-thread (inst mov (make-ea :dword :scale 1 :index tls-index) value) + #!+sb-thread (inst mov (make-ea :dword :base tls-index) value) + (storew 0 bsp (- binding-value-slot binding-size)) (storew 0 bsp (- binding-symbol-slot binding-size)) SKIP (inst sub bsp (* binding-size n-word-bytes)) (inst cmp where bsp) (inst jmp :ne loop) - ;; we're done with value, so can use it as a temporary - (store-tl-symbol-value bsp *binding-stack-pointer* value) + (store-binding-stack-pointer bsp) DONE)) @@ -408,9 +421,6 @@ funcallable-instance-info-offset fun-pointer-lowtag (descriptor-reg any-reg) * %funcallable-instance-info) -(define-vop (funcallable-instance-lexenv cell-ref) - (:variant funcallable-instance-lexenv-slot fun-pointer-lowtag)) - (define-vop (closure-ref slot-ref) (:variant closure-info-offset fun-pointer-lowtag)) @@ -437,18 +447,6 @@ (loadw res struct 0 instance-pointer-lowtag) (inst shr res n-widetag-bits))) -(define-vop (instance-ref slot-ref) - (:variant instance-slots-offset instance-pointer-lowtag) - (:policy :fast-safe) - (:translate %instance-ref) - (:arg-types instance (:constant index))) - -(define-vop (instance-set slot-set) - (:policy :fast-safe) - (:translate %instance-set) - (:variant instance-slots-offset instance-pointer-lowtag) - (:arg-types instance (:constant index) *)) - (define-full-reffer instance-index-ref * instance-slots-offset instance-pointer-lowtag (any-reg descriptor-reg) * %instance-ref) @@ -457,17 +455,17 @@ (defknown %instance-set-conditional (instance index t t) t - (unsafe)) + (unsafe)) (define-vop (instance-set-conditional) (:translate %instance-set-conditional) (:args (object :scs (descriptor-reg) :to :eval) - (slot :scs (any-reg) :to :result) - (old-value :scs (descriptor-reg any-reg) :target eax) - (new-value :scs (descriptor-reg any-reg))) + (slot :scs (any-reg) :to :result) + (old-value :scs (descriptor-reg any-reg) :target eax) + (new-value :scs (descriptor-reg any-reg))) (:arg-types instance positive-fixnum * *) (:temporary (:sc descriptor-reg :offset eax-offset - :from (:argument 2) :to :result :target result) eax) + :from (:argument 2) :to :result :target result) eax) (:results (result :scs (descriptor-reg any-reg))) ;(:guard (backend-featurep :i486)) (:policy :fast-safe) @@ -475,9 +473,9 @@ (move eax old-value) (inst lock) (inst cmpxchg (make-ea :dword :base object :index slot :scale 1 - :disp (- (* instance-slots-offset n-word-bytes) - instance-pointer-lowtag)) - new-value) + :disp (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)) + new-value) (move result eax))) @@ -489,3 +487,284 @@ (define-full-setter code-header-set * 0 other-pointer-lowtag (any-reg descriptor-reg) * code-header-set) + + + +;;;; raw instance slot accessors + +(defun make-ea-for-raw-slot (object index instance-length n-words) + (sc-case index + (any-reg (make-ea :dword + :base object + :index instance-length + :disp (- (* (- instance-slots-offset n-words) + n-word-bytes) + instance-pointer-lowtag))) + (immediate (make-ea :dword :base object + :index instance-length + :scale 4 + :disp (- (* (- instance-slots-offset n-words) + n-word-bytes) + instance-pointer-lowtag + (fixnumize (tn-value index))))))) + +(define-vop (raw-instance-ref/word) + (:translate %raw-instance-ref/word) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate))) + (:arg-types * tagged-num) + (:temporary (:sc unsigned-reg) tmp) + (:results (value :scs (unsigned-reg))) + (:result-types unsigned-num) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (inst mov value (make-ea-for-raw-slot object index tmp 1)))) + +(define-vop (raw-instance-set/word) + (:translate %raw-instance-set/word) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate)) + (value :scs (unsigned-reg) :target result)) + (:arg-types * tagged-num unsigned-num) + (:temporary (:sc unsigned-reg) tmp) + (:results (result :scs (unsigned-reg))) + (:result-types unsigned-num) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (inst mov (make-ea-for-raw-slot object index tmp 1) value) + (move result value))) + +(define-vop (raw-instance-ref/single) + (:translate %raw-instance-ref/single) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate))) + (:arg-types * tagged-num) + (:temporary (:sc unsigned-reg) tmp) + (:results (value :scs (single-reg))) + (:result-types single-float) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (with-empty-tn@fp-top(value) + (inst fld (make-ea-for-raw-slot object index tmp 1))))) + +(define-vop (raw-instance-set/single) + (:translate %raw-instance-set/single) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate)) + (value :scs (single-reg) :target result)) + (:arg-types * tagged-num single-float) + (:temporary (:sc unsigned-reg) tmp) + (:results (result :scs (single-reg))) + (:result-types single-float) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (unless (zerop (tn-offset value)) + (inst fxch value)) + (inst fst (make-ea-for-raw-slot object index tmp 1)) + (cond + ((zerop (tn-offset value)) + (unless (zerop (tn-offset result)) + (inst fst result))) + ((zerop (tn-offset result)) + (inst fst value)) + (t + (unless (location= value result) + (inst fst result)) + (inst fxch value))))) + +(define-vop (raw-instance-ref/double) + (:translate %raw-instance-ref/double) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) (index :scs (any-reg immediate))) + (:arg-types * tagged-num) + (:temporary (:sc unsigned-reg) tmp) + (:results (value :scs (double-reg))) + (:result-types double-float) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (with-empty-tn@fp-top(value) + (inst fldd (make-ea-for-raw-slot object index tmp 2))))) + +(define-vop (raw-instance-set/double) + (:translate %raw-instance-set/double) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate)) + (value :scs (double-reg) :target result)) + (:arg-types * tagged-num double-float) + (:temporary (:sc unsigned-reg) tmp) + (:results (result :scs (double-reg))) + (:result-types double-float) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (unless (zerop (tn-offset value)) + (inst fxch value)) + (inst fstd (make-ea-for-raw-slot object index tmp 2)) + (cond + ((zerop (tn-offset value)) + (unless (zerop (tn-offset result)) + (inst fstd result))) + ((zerop (tn-offset result)) + (inst fstd value)) + (t + (unless (location= value result) + (inst fstd result)) + (inst fxch value))))) + +(define-vop (raw-instance-ref/complex-single) + (:translate %raw-instance-ref/complex-single) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate))) + (:arg-types * positive-fixnum) + (:temporary (:sc unsigned-reg) tmp) + (:results (value :scs (complex-single-reg))) + (:result-types complex-single-float) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (let ((real-tn (complex-single-reg-real-tn value))) + (with-empty-tn@fp-top (real-tn) + (inst fld (make-ea-for-raw-slot object index tmp 2)))) + (let ((imag-tn (complex-single-reg-imag-tn value))) + (with-empty-tn@fp-top (imag-tn) + (inst fld (make-ea-for-raw-slot object index tmp 1)))))) + +(define-vop (raw-instance-set/complex-single) + (:translate %raw-instance-set/complex-single) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate)) + (value :scs (complex-single-reg) :target result)) + (:arg-types * positive-fixnum complex-single-float) + (:temporary (:sc unsigned-reg) tmp) + (:results (result :scs (complex-single-reg))) + (:result-types complex-single-float) + (:generator 5 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (let ((value-real (complex-single-reg-real-tn value)) + (result-real (complex-single-reg-real-tn result))) + (cond ((zerop (tn-offset value-real)) + ;; Value is in ST0. + (inst fst (make-ea-for-raw-slot object index tmp 2)) + (unless (zerop (tn-offset result-real)) + ;; Value is in ST0 but not result. + (inst fst result-real))) + (t + ;; Value is not in ST0. + (inst fxch value-real) + (inst fst (make-ea-for-raw-slot object index tmp 2)) + (cond ((zerop (tn-offset result-real)) + ;; The result is in ST0. + (inst fst value-real)) + (t + ;; Neither value or result are in ST0 + (unless (location= value-real result-real) + (inst fst result-real)) + (inst fxch value-real)))))) + (let ((value-imag (complex-single-reg-imag-tn value)) + (result-imag (complex-single-reg-imag-tn result))) + (inst fxch value-imag) + (inst fst (make-ea-for-raw-slot object index tmp 1)) + (unless (location= value-imag result-imag) + (inst fst result-imag)) + (inst fxch value-imag)))) + +(define-vop (raw-instance-ref/complex-double) + (:translate %raw-instance-ref/complex-double) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate))) + (:arg-types * positive-fixnum) + (:temporary (:sc unsigned-reg) tmp) + (:results (value :scs (complex-double-reg))) + (:result-types complex-double-float) + (:generator 7 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (let ((real-tn (complex-double-reg-real-tn value))) + (with-empty-tn@fp-top (real-tn) + (inst fldd (make-ea-for-raw-slot object index tmp 4)))) + (let ((imag-tn (complex-double-reg-imag-tn value))) + (with-empty-tn@fp-top (imag-tn) + (inst fldd (make-ea-for-raw-slot object index tmp 2)))))) + +(define-vop (raw-instance-set/complex-double) + (:translate %raw-instance-set/complex-double) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg immediate)) + (value :scs (complex-double-reg) :target result)) + (:arg-types * positive-fixnum complex-double-float) + (:temporary (:sc unsigned-reg) tmp) + (:results (result :scs (complex-double-reg))) + (:result-types complex-double-float) + (:generator 20 + (loadw tmp object 0 instance-pointer-lowtag) + (inst shr tmp n-widetag-bits) + (when (sc-is index any-reg) + (inst shl tmp 2) + (inst sub tmp index)) + (let ((value-real (complex-double-reg-real-tn value)) + (result-real (complex-double-reg-real-tn result))) + (cond ((zerop (tn-offset value-real)) + ;; Value is in ST0. + (inst fstd (make-ea-for-raw-slot object index tmp 4)) + (unless (zerop (tn-offset result-real)) + ;; Value is in ST0 but not result. + (inst fstd result-real))) + (t + ;; Value is not in ST0. + (inst fxch value-real) + (inst fstd (make-ea-for-raw-slot object index tmp 4)) + (cond ((zerop (tn-offset result-real)) + ;; The result is in ST0. + (inst fstd value-real)) + (t + ;; Neither value or result are in ST0 + (unless (location= value-real result-real) + (inst fstd result-real)) + (inst fxch value-real)))))) + (let ((value-imag (complex-double-reg-imag-tn value)) + (result-imag (complex-double-reg-imag-tn result))) + (inst fxch value-imag) + (inst fstd (make-ea-for-raw-slot object index tmp 2)) + (unless (location= value-imag result-imag) + (inst fstd result-imag)) + (inst fxch value-imag))))