X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fcell.lisp;h=04689c3126146d479c8dd4e61baa51d0bf3b5c5b;hb=2378406d6eda78090dfe05e372438495aeace5e0;hp=1151b6c55c3dbef8188a42c82344f69cc799e783;hpb=4ae1b794a5d6a90794468cf8017f5307f2c30dfe;p=sbcl.git diff --git a/src/compiler/mips/cell.lisp b/src/compiler/mips/cell.lisp index 1151b6c..04689c3 100644 --- a/src/compiler/mips/cell.lisp +++ b/src/compiler/mips/cell.lisp @@ -1,5 +1,16 @@ -(in-package "SB!VM") +;;;; the VM definition of various primitive memory access VOPs for +;;;; MIPS + +;;;; This software is part of the SBCL system. See the README file for +;;;; more information. +;;;; +;;;; This software is derived from the CMU CL system, which was +;;;; written at Carnegie Mellon University and released into the +;;;; public domain. The software is in the public domain and is +;;;; provided with absolutely no warranty. See the COPYING and CREDITS +;;;; files for more information. +(in-package "SB!VM") ;;;; Data object ref/set stuff. @@ -13,13 +24,14 @@ (define-vop (set-slot) (:args (object :scs (descriptor-reg)) - (value :scs (descriptor-reg any-reg null zero))) + (value :scs (descriptor-reg any-reg null zero))) (:info name offset lowtag) (:ignore name) (:results) (:generator 1 (storew value object offset lowtag))) +(define-vop (init-slot set-slot)) ;;;; Symbol hacking VOPs: @@ -49,7 +61,7 @@ (loadw value obj-temp symbol-value-slot other-pointer-lowtag) (let ((err-lab (generate-error-code vop unbound-symbol-error obj-temp))) (inst xor temp value unbound-marker-widetag) - (inst beq temp zero-tn err-lab) + (inst beq temp err-lab) (inst nop)))) ;;; Like CHECKED-CELL-REF, only we are a predicate to see if the cell is bound. @@ -67,8 +79,8 @@ (loadw value object symbol-value-slot other-pointer-lowtag) (inst xor temp value unbound-marker-widetag) (if not-p - (inst beq temp zero-tn target) - (inst bne temp zero-tn target)) + (inst beq temp target) + (inst bne temp target)) (inst nop))) (define-vop (fast-symbol-value cell-ref) @@ -76,6 +88,28 @@ (:policy :fast) (:translate symbol-value)) +(define-vop (symbol-hash) + (:policy :fast-safe) + (:translate symbol-hash) + (:args (symbol :scs (descriptor-reg))) + (:temporary (:scs (non-descriptor-reg)) temp) + (:results (res :scs (any-reg))) + (:result-types positive-fixnum) + (:generator 2 + ;; The symbol-hash slot of NIL holds NIL because it is also the + ;; cdr slot, so we have to strip off the two low bits to make sure + ;; it is a fixnum. The lowtag selection magic that is required to + ;; ensure this is explained in the comment in objdef.lisp + (loadw temp symbol symbol-hash-slot other-pointer-lowtag) + (inst srl temp n-fixnum-tag-bits) + (inst sll res temp n-fixnum-tag-bits))) + +;;; On unithreaded builds these are just copies of the non-global versions. +(define-vop (%set-symbol-global-value set)) +(define-vop (symbol-global-value symbol-value) + (:translate symbol-global-value)) +(define-vop (fast-symbol-global-value fast-symbol-value) + (:translate symbol-global-value)) ;;;; Fdefinition (fdefn) objects. @@ -99,7 +133,7 @@ (:policy :fast-safe) (:translate (setf fdefn-fun)) (:args (function :scs (descriptor-reg) :target result) - (fdefn :scs (descriptor-reg))) + (fdefn :scs (descriptor-reg))) (:temporary (:scs (interior-reg)) lip) (:temporary (:scs (non-descriptor-reg)) type) (:results (result :scs (descriptor-reg))) @@ -108,10 +142,10 @@ (load-type type function (- fun-pointer-lowtag)) (inst nop) (inst xor type simple-fun-header-widetag) - (inst beq type zero-tn normal-fn) + (inst beq type normal-fn) (inst addu lip function - (- (ash simple-fun-code-offset word-shift) - fun-pointer-lowtag)) + (- (ash simple-fun-code-offset word-shift) + fun-pointer-lowtag)) (inst li lip (make-fixup "closure_tramp" :foreign)) (emit-label normal-fn) (storew lip fdefn fdefn-raw-addr-slot other-pointer-lowtag) @@ -140,7 +174,7 @@ (define-vop (bind) (:args (val :scs (any-reg descriptor-reg)) - (symbol :scs (descriptor-reg))) + (symbol :scs (descriptor-reg))) (:temporary (:scs (descriptor-reg)) temp) (:generator 5 (loadw temp symbol symbol-value-slot other-pointer-lowtag) @@ -157,6 +191,7 @@ (loadw value bsp-tn (- binding-value-slot binding-size)) (storew value symbol symbol-value-slot other-pointer-lowtag) (storew zero-tn bsp-tn (- binding-symbol-slot binding-size)) + (storew zero-tn bsp-tn (- binding-value-slot binding-size)) (inst addu bsp-tn bsp-tn (* -2 n-word-bytes)))) @@ -166,20 +201,21 @@ (:temporary (:scs (descriptor-reg)) symbol value) (:generator 0 (let ((loop (gen-label)) - (skip (gen-label)) - (done (gen-label))) + (skip (gen-label)) + (done (gen-label))) (move where arg) (inst beq where bsp-tn done) (inst nop) (emit-label loop) (loadw symbol bsp-tn (- binding-symbol-slot binding-size)) - (inst beq symbol zero-tn skip) + (inst beq symbol skip) (loadw value bsp-tn (- binding-value-slot binding-size)) (storew value symbol symbol-value-slot other-pointer-lowtag) (storew zero-tn bsp-tn (- binding-symbol-slot binding-size)) (emit-label skip) + (storew zero-tn bsp-tn (- binding-value-slot binding-size)) (inst addu bsp-tn bsp-tn (* -2 n-word-bytes)) (inst bne where bsp-tn loop) (inst nop) @@ -202,15 +238,17 @@ 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)) (define-vop (closure-init slot-set) (:variant closure-info-offset fun-pointer-lowtag)) +(define-vop (closure-init-from-fp) + (:args (object :scs (descriptor-reg))) + (:info offset) + (:generator 4 + (storew cfp-tn object (+ closure-info-offset offset) fun-pointer-lowtag))) ;;;; Value Cell hackery. @@ -228,24 +266,12 @@ (:policy :fast-safe) (:translate %instance-length) (:args (struct :scs (descriptor-reg))) + (:temporary (:scs (non-descriptor-reg)) temp) (:results (res :scs (unsigned-reg))) (:result-types positive-fixnum) (:generator 4 - (loadw res struct 0 instance-pointer-lowtag) - (inst srl 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))) - -#+nil -(define-vop (instance-set slot-set) - (:policy :fast-safe) - (:translate %instance-set) - (:variant instance-slots-offset instance-pointer-lowtag) - (:arg-types instance (:constant index) *)) + (loadw temp struct 0 instance-pointer-lowtag) + (inst srl res temp n-widetag-bits))) (define-full-reffer instance-index-ref * instance-slots-offset instance-pointer-lowtag (descriptor-reg any-reg) * %instance-ref) @@ -264,4 +290,347 @@ (descriptor-reg any-reg null zero) * code-header-set) + +;;;; raw instance slot accessors +(define-vop (raw-instance-ref/word) + (:translate %raw-instance-ref/word) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg))) + (:arg-types * positive-fixnum) + (:results (value :scs (unsigned-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types unsigned-num) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset n-word-bytes) + (inst addu lip offset object) + (inst lw value lip (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)))) + +(define-vop (raw-instance-set/word) + (:translate %raw-instance-set/word) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg)) + (value :scs (unsigned-reg) :target result)) + (:arg-types * positive-fixnum unsigned-num) + (:results (result :scs (unsigned-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types unsigned-num) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset n-word-bytes) + (inst addu lip offset object) + (inst sw value lip (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)) + (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))) + (:arg-types * positive-fixnum) + (:results (value :scs (single-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types single-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset n-word-bytes) + (inst addu lip offset object) + (inst lwc1 value lip (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)))) + +(define-vop (raw-instance-set/single) + (:translate %raw-instance-set/single) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg)) + (value :scs (single-reg) :target result)) + (:arg-types * positive-fixnum single-float) + (:results (result :scs (single-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types single-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset n-word-bytes) + (inst addu lip offset object) + (inst swc1 value lip (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)) + (unless (location= result value) + (inst fmove :single result value)))) + +(define-vop (raw-instance-ref/double) + (:translate %raw-instance-ref/double) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg))) + (:arg-types * positive-fixnum) + (:results (value :scs (double-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types double-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset (* 2 n-word-bytes)) + (inst addu lip offset object) + (let ((immediate-offset (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst lwc1 value lip immediate-offset)) + (:little-endian (inst lwc1-odd value lip immediate-offset)))) + (let ((immediate-offset (- (* (1+ instance-slots-offset) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst lwc1-odd value lip immediate-offset)) + (:little-endian (inst lwc1 value lip immediate-offset)))))) + +(define-vop (raw-instance-set/double) + (:translate %raw-instance-set/double) + (:policy :fast-safe) + (:args (object :scs (descriptor-reg)) + (index :scs (any-reg)) + (value :scs (double-reg) :target result)) + (:arg-types * positive-fixnum double-float) + (:results (result :scs (double-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types double-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset (* 2 n-word-bytes)) + (inst addu lip offset object) + (let ((immediate-offset (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst swc1 value lip immediate-offset)) + (:little-endian (inst swc1-odd value lip immediate-offset)))) + (let ((immediate-offset (- (* (1+ instance-slots-offset) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst swc1-odd value lip immediate-offset)) + (:little-endian (inst swc1 value lip immediate-offset)))) + (unless (location= result value) + (inst fmove :double result 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))) + (:arg-types * positive-fixnum) + (:results (value :scs (complex-single-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types complex-single-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset (* 2 n-word-bytes)) + (inst addu lip offset object) + (inst lwc1 + (complex-single-reg-real-tn value) + lip + (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)) + (inst lwc1 + (complex-single-reg-imag-tn value) + lip + (- (* (1+ instance-slots-offset) n-word-bytes) + instance-pointer-lowtag)))) + +(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)) + (value :scs (complex-single-reg) :target result)) + (:arg-types * positive-fixnum complex-single-float) + (:results (result :scs (complex-single-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types complex-single-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset (* 2 n-word-bytes)) + (inst addu lip offset object) + (let ((value-real (complex-single-reg-real-tn value)) + (result-real (complex-single-reg-real-tn result))) + (inst swc1 + value-real + lip + (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag)) + (unless (location= result-real value-real) + (inst fmove :single result-real value-real))) + (let ((value-imag (complex-single-reg-imag-tn value)) + (result-imag (complex-single-reg-imag-tn result))) + (inst swc1 + value-imag + lip + (- (* (1+ instance-slots-offset) n-word-bytes) + instance-pointer-lowtag)) + (unless (location= result-imag value-imag) + (inst fmove :single result-imag 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))) + (:arg-types * positive-fixnum) + (:results (value :scs (complex-double-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types complex-double-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset (* 4 n-word-bytes)) + (inst addu lip offset object) + (let ((immediate-offset (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst lwc1 + (complex-double-reg-real-tn value) + lip + immediate-offset)) + (:little-endian (inst lwc1-odd + (complex-double-reg-real-tn value) + lip + immediate-offset)))) + (let ((immediate-offset (- (* (1+ instance-slots-offset) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst lwc1-odd + (complex-double-reg-real-tn value) + lip + immediate-offset)) + (:little-endian (inst lwc1 + (complex-double-reg-real-tn value) + lip + immediate-offset)))) + (let ((immediate-offset (- (* (+ instance-slots-offset 2) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst lwc1 + (complex-double-reg-imag-tn value) + lip + immediate-offset)) + (:little-endian (inst lwc1-odd + (complex-double-reg-imag-tn value) + lip + immediate-offset)))) + (let ((immediate-offset (- (* (+ instance-slots-offset 3) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst lwc1-odd + (complex-double-reg-imag-tn value) + lip + immediate-offset)) + (:little-endian (inst lwc1 + (complex-double-reg-imag-tn value) + lip + immediate-offset)))))) + +(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)) + (value :scs (complex-double-reg) :target result)) + (:arg-types * positive-fixnum complex-double-float) + (:results (result :scs (complex-double-reg))) + (:temporary (:scs (non-descriptor-reg)) offset) + (:temporary (:scs (interior-reg)) lip) + (:result-types complex-double-float) + (:generator 5 + (loadw offset object 0 instance-pointer-lowtag) + (inst srl offset n-widetag-bits) + (inst sll offset n-fixnum-tag-bits) + (inst subu offset index) + (inst subu offset (* 4 n-word-bytes)) + (inst addu lip offset object) + (let ((value-real (complex-double-reg-real-tn value)) + (result-real (complex-double-reg-real-tn result))) + (let ((immediate-offset (- (* instance-slots-offset n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst swc1 + value-real + lip + immediate-offset)) + (:little-endian (inst swc1-odd + value-real + lip + immediate-offset)))) + (let ((immediate-offset (- (* (1+ instance-slots-offset) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst swc1-odd + value-real + lip + immediate-offset)) + (:little-endian (inst swc1 + value-real + lip + immediate-offset)))) + (unless (location= result-real value-real) + (inst fmove :double result-real value-real))) + (let ((value-imag (complex-double-reg-imag-tn value)) + (result-imag (complex-double-reg-imag-tn result))) + (let ((immediate-offset (- (* (+ instance-slots-offset 2) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst swc1 + value-imag + lip + immediate-offset)) + (:little-endian (inst swc1-odd + value-imag + lip + immediate-offset)))) + (let ((immediate-offset (- (* (+ instance-slots-offset 3) n-word-bytes) + instance-pointer-lowtag))) + (ecase *backend-byte-order* + (:big-endian (inst swc1-odd + value-imag + lip + immediate-offset)) + (:little-endian (inst swc1 + value-imag + lip + immediate-offset)))) + (unless (location= result-imag value-imag) + (inst fmove :double result-imag value-imag)))))