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;;;; the VM definition of various primitive memory access VOPs for the
;;;; PPC
;;;; 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.
(define-vop (slot)
(:args (object :scs (descriptor-reg)))
(:info name offset lowtag)
(:ignore name)
(:results (result :scs (descriptor-reg any-reg)))
(:generator 1
(loadw result object offset lowtag)))
(define-vop (set-slot)
(:args (object :scs (descriptor-reg))
(value :scs (descriptor-reg any-reg)))
(:info name offset lowtag)
(:ignore name)
(:results)
(:generator 1
(storew value object offset lowtag)))
(define-vop (init-slot set-slot))
#!+compare-and-swap-vops
(define-vop (compare-and-swap-slot)
(:args (object :scs (descriptor-reg))
(old :scs (descriptor-reg any-reg))
(new :scs (descriptor-reg any-reg)))
(:temporary (:sc non-descriptor-reg) temp)
(:info name offset lowtag)
(:ignore name)
(:results (result :scs (descriptor-reg) :from :load))
(:generator 5
(inst sync)
(inst li temp (- (* offset n-word-bytes) lowtag))
LOOP
(inst lwarx result temp object)
(inst cmpw result old)
(inst bne EXIT)
(inst stwcx. new temp object)
(inst bne LOOP)
EXIT
(inst isync)))
;;;; Symbol hacking VOPs:
#!+compare-and-swap-vops
(define-vop (%compare-and-swap-symbol-value)
(:translate %compare-and-swap-symbol-value)
(:args (symbol :scs (descriptor-reg))
(old :scs (descriptor-reg any-reg))
(new :scs (descriptor-reg any-reg)))
(:temporary (:sc non-descriptor-reg) temp)
(:results (result :scs (descriptor-reg any-reg) :from :load))
(:policy :fast-safe)
(:vop-var vop)
(:generator 15
(inst sync)
#!+sb-thread
(assemble ()
(loadw temp symbol symbol-tls-index-slot other-pointer-lowtag)
;; Thread-local area, no synchronization needed.
(inst lwzx result thread-base-tn temp)
(inst cmpw result old)
(inst bne DONT-STORE-TLS)
(inst stwx new thread-base-tn temp)
DONT-STORE-TLS
(inst cmpwi result no-tls-value-marker-widetag)
(inst bne CHECK-UNBOUND))
(inst li temp (- (* symbol-value-slot n-word-bytes)
other-pointer-lowtag))
LOOP
(inst lwarx result symbol temp)
(inst cmpw result old)
(inst bne CHECK-UNBOUND)
(inst stwcx. new symbol temp)
(inst bne LOOP)
CHECK-UNBOUND
(inst isync)
(inst cmpwi result unbound-marker-widetag)
(inst beq (generate-error-code vop 'unbound-symbol-error symbol))))
;;; The compiler likes to be able to directly SET symbols.
(define-vop (%set-symbol-global-value cell-set)
(:variant symbol-value-slot other-pointer-lowtag))
;;; Do a cell ref with an error check for being unbound.
(define-vop (checked-cell-ref)
(:args (object :scs (descriptor-reg) :target obj-temp))
(:results (value :scs (descriptor-reg any-reg)))
(:policy :fast-safe)
(:vop-var vop)
(:save-p :compute-only)
(:temporary (:scs (descriptor-reg) :from (:argument 0)) obj-temp))
;;; With SYMBOL-VALUE, we check that the value isn't the trap object.
;;; So SYMBOL-VALUE of NIL is NIL.
(define-vop (symbol-global-value checked-cell-ref)
(:translate symbol-global-value)
(:generator 9
(move obj-temp object)
(loadw value obj-temp symbol-value-slot other-pointer-lowtag)
(let ((err-lab (generate-error-code vop 'unbound-symbol-error obj-temp)))
(inst cmpwi value unbound-marker-widetag)
(inst beq err-lab))))
(define-vop (fast-symbol-global-value cell-ref)
(:variant symbol-value-slot other-pointer-lowtag)
(:policy :fast)
(:translate symbol-global-value))
#!+sb-thread
(progn
(define-vop (set)
(:args (symbol :scs (descriptor-reg))
(value :scs (descriptor-reg any-reg)))
(:temporary (:sc any-reg) tls-slot temp)
(:generator 4
(loadw tls-slot symbol symbol-tls-index-slot other-pointer-lowtag)
(inst lwzx temp thread-base-tn tls-slot)
(inst cmpwi temp no-tls-value-marker-widetag)
(inst beq GLOBAL-VALUE)
(inst stwx value thread-base-tn tls-slot)
(inst b DONE)
GLOBAL-VALUE
(storew value symbol symbol-value-slot other-pointer-lowtag)
DONE))
;; With Symbol-Value, we check that the value isn't the trap object. So
;; Symbol-Value of NIL is NIL.
(define-vop (symbol-value)
(:translate symbol-value)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:result 1)))
(:results (value :scs (descriptor-reg any-reg)))
(:vop-var vop)
(:save-p :compute-only)
(:generator 9
(loadw value object symbol-tls-index-slot other-pointer-lowtag)
(inst lwzx value thread-base-tn value)
(inst cmpwi value no-tls-value-marker-widetag)
(inst bne CHECK-UNBOUND)
(loadw value object symbol-value-slot other-pointer-lowtag)
CHECK-UNBOUND
(inst cmpwi value unbound-marker-widetag)
(inst beq (generate-error-code vop 'unbound-symbol-error object))))
(define-vop (fast-symbol-value symbol-value)
;; KLUDGE: not really fast, in fact, because we're going to have to
;; do a full lookup of the thread-local area anyway. But half of
;; the meaning of FAST-SYMBOL-VALUE is "do not signal an error if
;; unbound", which is used in the implementation of COPY-SYMBOL. --
;; CSR, 2003-04-22
(:policy :fast)
(:translate symbol-value)
(:generator 8
(loadw value object symbol-tls-index-slot other-pointer-lowtag)
(inst lwzx value thread-base-tn value)
(inst cmpwi value no-tls-value-marker-widetag)
(inst bne DONE)
(loadw value object symbol-value-slot other-pointer-lowtag)
DONE)))
;;; On unithreaded builds these are just copies of the global versions.
#!-sb-thread
(progn
(define-vop (symbol-value symbol-global-value)
(:translate symbol-value))
(define-vop (fast-symbol-value fast-symbol-global-value)
(:translate symbol-value))
(define-vop (set %set-symbol-global-value)))
;;; Like CHECKED-CELL-REF, only we are a predicate to see if the cell
;;; is bound.
(define-vop (boundp-frob)
(:args (object :scs (descriptor-reg)))
(:conditional)
(:info target not-p)
(:policy :fast-safe)
(:temporary (:scs (descriptor-reg)) value))
#!+sb-thread
(define-vop (boundp boundp-frob)
(:translate boundp)
(:generator 9
(loadw value object symbol-tls-index-slot other-pointer-lowtag)
(inst lwzx value thread-base-tn value)
(inst cmpwi value no-tls-value-marker-widetag)
(inst bne CHECK-UNBOUND)
(loadw value object symbol-value-slot other-pointer-lowtag)
CHECK-UNBOUND
(inst cmpwi value unbound-marker-widetag)
(inst b? (if not-p :eq :ne) target)))
#!-sb-thread
(define-vop (boundp boundp-frob)
(:translate boundp)
(:generator 9
(loadw value object symbol-value-slot other-pointer-lowtag)
(inst cmpwi value unbound-marker-widetag)
(inst b? (if not-p :eq :ne) target)))
(define-vop (symbol-hash)
(:policy :fast-safe)
(:translate symbol-hash)
(:args (symbol :scs (descriptor-reg)))
(: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 res symbol symbol-hash-slot other-pointer-lowtag)
(inst clrrwi res res n-fixnum-tag-bits)))
;;;; Fdefinition (fdefn) objects.
(define-vop (fdefn-fun cell-ref)
(:variant fdefn-fun-slot other-pointer-lowtag))
(define-vop (safe-fdefn-fun)
(:args (object :scs (descriptor-reg) :target obj-temp))
(:results (value :scs (descriptor-reg any-reg)))
(:vop-var vop)
(:save-p :compute-only)
(:temporary (:scs (descriptor-reg) :from (:argument 0)) obj-temp)
(:generator 10
(move obj-temp object)
(loadw value obj-temp fdefn-fun-slot other-pointer-lowtag)
(inst cmpw value null-tn)
(let ((err-lab (generate-error-code vop 'undefined-fun-error obj-temp)))
(inst beq err-lab))))
(define-vop (set-fdefn-fun)
(:policy :fast-safe)
(:translate (setf fdefn-fun))
(:args (function :scs (descriptor-reg) :target result)
(fdefn :scs (descriptor-reg)))
(:temporary (:scs (interior-reg)) lip)
(:temporary (:scs (non-descriptor-reg)) type)
(:results (result :scs (descriptor-reg)))
(:generator 38
(let ((normal-fn (gen-label)))
(load-type type function (- fun-pointer-lowtag))
(inst cmpwi type simple-fun-header-widetag)
;;(inst mr lip function)
(inst addi lip function
(- (ash simple-fun-code-offset word-shift) fun-pointer-lowtag))
(inst beq normal-fn)
(inst lr lip (make-fixup "closure_tramp" :foreign))
(emit-label normal-fn)
(storew lip fdefn fdefn-raw-addr-slot other-pointer-lowtag)
(storew function fdefn fdefn-fun-slot other-pointer-lowtag)
(move result function))))
(define-vop (fdefn-makunbound)
(:policy :fast-safe)
(:translate fdefn-makunbound)
(:args (fdefn :scs (descriptor-reg) :target result))
(:temporary (:scs (non-descriptor-reg)) temp)
(:results (result :scs (descriptor-reg)))
(:generator 38
(storew null-tn fdefn fdefn-fun-slot other-pointer-lowtag)
(inst lr temp (make-fixup "undefined_tramp" :foreign))
(storew temp fdefn fdefn-raw-addr-slot other-pointer-lowtag)
(move result fdefn)))
;;;; Binding and Unbinding.
;;; BIND -- Establish VAL as a binding for SYMBOL. Save the old value and
;;; the symbol on the binding stack and stuff the new value into the
;;; symbol.
;;; See the "Chapter 9: Specials" of the SBCL Internals Manual.
#!+sb-thread
(define-vop (bind)
(:args (val :scs (any-reg descriptor-reg))
(symbol :scs (descriptor-reg)))
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
(:temporary (:scs (descriptor-reg)) temp tls-index)
(:generator 5
(loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
(inst cmpwi tls-index 0)
(inst bne TLS-VALID)
;; No TLS slot allocated, so allocate one.
(pseudo-atomic (pa-flag)
(without-scheduling ()
(assemble ()
(inst li temp (+ (static-symbol-offset '*tls-index-lock*)
(ash symbol-value-slot word-shift)
(- other-pointer-lowtag)))
OBTAIN-LOCK
(inst lwarx tls-index null-tn temp)
(inst cmpwi tls-index 0)
(inst bne OBTAIN-LOCK)
(inst stwcx. thread-base-tn null-tn temp)
(inst bne OBTAIN-LOCK)
(inst isync)
;; Check to see if the TLS index was set while we were waiting.
(loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
(inst cmpwi tls-index 0)
(inst bne RELEASE-LOCK)
(load-symbol-value tls-index *free-tls-index*)
;; FIXME: Check for TLS index overflow.
(inst addi tls-index tls-index n-word-bytes)
(store-symbol-value tls-index *free-tls-index*)
(inst addi tls-index tls-index (- n-word-bytes))
(storew tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
;; The sync instruction doesn't need to happen if we branch
;; directly to RELEASE-LOCK as we didn't do any stores in that
;; case.
(inst sync)
RELEASE-LOCK
(inst stwx zero-tn null-tn temp)
;; temp is a boxed register, but we've been storing crap in it.
;; fix it before we leave pseudo-atomic.
(inst li temp 0))))
TLS-VALID
(inst lwzx temp thread-base-tn tls-index)
(inst addi bsp-tn bsp-tn (* binding-size n-word-bytes))
(storew temp bsp-tn (- binding-value-slot binding-size))
(storew tls-index bsp-tn (- binding-symbol-slot binding-size))
(inst stwx val thread-base-tn tls-index)))
#!-sb-thread
(define-vop (bind)
(:args (val :scs (any-reg descriptor-reg))
(symbol :scs (descriptor-reg)))
(:temporary (:scs (descriptor-reg)) temp)
(:generator 5
(loadw temp symbol symbol-value-slot other-pointer-lowtag)
(inst addi bsp-tn bsp-tn (* binding-size n-word-bytes))
(storew temp bsp-tn (- binding-value-slot binding-size))
(storew symbol bsp-tn (- binding-symbol-slot binding-size))
(storew val symbol symbol-value-slot other-pointer-lowtag)))
#!+sb-thread
(define-vop (unbind)
(:temporary (:scs (descriptor-reg)) tls-index value)
(:generator 0
(loadw tls-index bsp-tn (- binding-symbol-slot binding-size))
(loadw value bsp-tn (- binding-value-slot binding-size))
(inst stwx value thread-base-tn tls-index)
(storew zero-tn bsp-tn (- binding-symbol-slot binding-size))
(storew zero-tn bsp-tn (- binding-value-slot binding-size))
(inst subi bsp-tn bsp-tn (* binding-size n-word-bytes))))
#!-sb-thread
(define-vop (unbind)
(:temporary (:scs (descriptor-reg)) symbol value)
(:generator 0
(loadw symbol bsp-tn (- binding-symbol-slot binding-size))
(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 subi bsp-tn bsp-tn (* binding-size n-word-bytes))))
(define-vop (unbind-to-here)
(:args (arg :scs (descriptor-reg any-reg) :target where))
(:temporary (:scs (any-reg) :from (:argument 0)) where)
(:temporary (:scs (descriptor-reg)) symbol value)
(:generator 0
(let ((loop (gen-label))
(skip (gen-label))
(done (gen-label)))
(move where arg)
(inst cmpw where bsp-tn)
(inst beq done)
(emit-label loop)
(loadw symbol bsp-tn (- binding-symbol-slot binding-size))
(inst cmpwi symbol 0)
(inst beq skip)
(loadw value bsp-tn (- binding-value-slot binding-size))
#!+sb-thread
(inst stwx value thread-base-tn symbol)
#!-sb-thread
(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 subi bsp-tn bsp-tn (* binding-size n-word-bytes))
(inst cmpw where bsp-tn)
(inst bne loop)
(emit-label done))))
;;;; Closure indexing.
(define-vop (closure-index-ref word-index-ref)
(:variant closure-info-offset fun-pointer-lowtag)
(:translate %closure-index-ref))
(define-vop (funcallable-instance-info word-index-ref)
(:variant funcallable-instance-info-offset fun-pointer-lowtag)
(:translate %funcallable-instance-info))
(define-vop (set-funcallable-instance-info word-index-set)
(:variant funcallable-instance-info-offset fun-pointer-lowtag)
(:translate %set-funcallable-instance-info))
(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.
(define-vop (value-cell-ref cell-ref)
(:variant value-cell-value-slot other-pointer-lowtag))
(define-vop (value-cell-set cell-set)
(:variant value-cell-value-slot other-pointer-lowtag))
;;;; Instance hackery:
(define-vop (instance-length)
(: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 temp struct 0 instance-pointer-lowtag)
(inst srwi res temp n-widetag-bits)))
(define-vop (instance-index-ref word-index-ref)
(:policy :fast-safe)
(:translate %instance-ref)
(:variant instance-slots-offset instance-pointer-lowtag)
(:arg-types instance positive-fixnum))
(define-vop (instance-index-set word-index-set)
(:policy :fast-safe)
(:translate %instance-set)
(:variant instance-slots-offset instance-pointer-lowtag)
(:arg-types instance positive-fixnum *))
#!+compare-and-swap-vops
(define-vop (%compare-and-swap-instance-ref word-index-cas)
(:policy :fast-safe)
(:translate %compare-and-swap-instance-ref)
(:variant instance-slots-offset instance-pointer-lowtag)
(:arg-types instance tagged-num * *))
;;;; Code object frobbing.
(define-vop (code-header-ref word-index-ref)
(:translate code-header-ref)
(:policy :fast-safe)
(:variant 0 other-pointer-lowtag))
(define-vop (code-header-set word-index-set)
(:translate code-header-set)
(:policy :fast-safe)
(:variant 0 other-pointer-lowtag))
;;;; raw instance slot accessors
(defun offset-for-raw-slot (instance-length index n-words)
(+ (* (- instance-length instance-slots-offset index (1- n-words))
n-word-bytes)
(- instance-pointer-lowtag)))
(define-vop (raw-instance-init/word)
(:args (object :scs (descriptor-reg))
(value :scs (unsigned-reg)))
(:arg-types * unsigned-num)
(:info instance-length index)
(:generator 4
(inst stw value object (offset-for-raw-slot instance-length index 1))))
(define-vop (raw-instance-atomic-incf/word)
(:translate %raw-instance-atomic-incf/word)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (any-reg))
(diff :scs (unsigned-reg)))
(:arg-types * positive-fixnum unsigned-num)
(:temporary (:sc unsigned-reg) offset)
(:temporary (:sc non-descriptor-reg) sum)
(:results (result :scs (unsigned-reg) :from :load))
(:result-types unsigned-num)
(:generator 4
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (1- instance-slots-offset) n-word-bytes)
instance-pointer-lowtag))
;; load the slot value, add DIFF, write the sum back, and return
;; the original slot value, atomically, and include a memory
;; barrier.
(inst sync)
LOOP
(inst lwarx result offset object)
(inst add sum result diff)
(inst stwcx. sum offset object)
(inst bne LOOP)
(inst isync)))
(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)
(:result-types unsigned-num)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (1- instance-slots-offset) n-word-bytes)
instance-pointer-lowtag))
(inst lwzx value object offset)))
(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)))
(:arg-types * positive-fixnum unsigned-num)
(:results (result :scs (unsigned-reg)))
(:temporary (:scs (non-descriptor-reg)) offset)
(:result-types unsigned-num)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (1- instance-slots-offset) n-word-bytes)
instance-pointer-lowtag))
(inst stwx value object offset)
(move result value)))
(define-vop (raw-instance-init/single)
(:args (object :scs (descriptor-reg))
(value :scs (single-reg)))
(:arg-types * single-float)
(:info instance-length index)
(:generator 4
(inst stfs value object (offset-for-raw-slot instance-length index 1))))
(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)
(:result-types single-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (1- instance-slots-offset) n-word-bytes)
instance-pointer-lowtag))
(inst lfsx value object offset)))
(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)))
(:result-types single-float)
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (1- instance-slots-offset) n-word-bytes)
instance-pointer-lowtag))
(inst stfsx value object offset)
(unless (location= result value)
(inst frsp result value))))
(define-vop (raw-instance-init/double)
(:args (object :scs (descriptor-reg))
(value :scs (double-reg)))
(:arg-types * double-float)
(:info instance-length index)
(:generator 4
(inst stfd value object (offset-for-raw-slot instance-length index 2))))
(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)
(:result-types double-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (- instance-slots-offset 2) n-word-bytes)
instance-pointer-lowtag))
(inst lfdx value object 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)))
(:result-types double-float)
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (- instance-slots-offset 2) n-word-bytes)
instance-pointer-lowtag))
(inst stfdx value object offset)
(unless (location= result value)
(inst fmr result value))))
(define-vop (raw-instance-init/complex-single)
(:args (object :scs (descriptor-reg))
(value :scs (complex-single-reg)))
(:arg-types * complex-single-float)
(:info instance-length index)
(:generator 4
(inst stfs (complex-single-reg-real-tn value)
object (offset-for-raw-slot instance-length index 2))
(inst stfs (complex-single-reg-imag-tn value)
object (offset-for-raw-slot instance-length index 1))))
(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)
(:result-types complex-single-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (- instance-slots-offset 2) n-word-bytes)
instance-pointer-lowtag))
(inst lfsx (complex-single-reg-real-tn value) object offset)
(inst addi offset offset n-word-bytes)
(inst lfsx (complex-single-reg-imag-tn value) object offset)))
(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)))
(:result-types complex-single-float)
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (- instance-slots-offset 2) n-word-bytes)
instance-pointer-lowtag))
(let ((value-real (complex-single-reg-real-tn value))
(result-real (complex-single-reg-real-tn result)))
(inst stfsx value-real object offset)
(unless (location= result-real value-real)
(inst frsp result-real value-real)))
(inst addi offset offset n-word-bytes)
(let ((value-imag (complex-single-reg-imag-tn value))
(result-imag (complex-single-reg-imag-tn result)))
(inst stfsx value-imag object offset)
(unless (location= result-imag value-imag)
(inst frsp result-imag value-imag)))))
(define-vop (raw-instance-init/complex-double)
(:args (object :scs (descriptor-reg))
(value :scs (complex-double-reg)))
(:arg-types * complex-double-float)
(:info instance-length index)
(:generator 4
(inst stfd (complex-single-reg-real-tn value)
object (offset-for-raw-slot instance-length index 4))
(inst stfd (complex-double-reg-imag-tn value)
object (offset-for-raw-slot instance-length index 2))))
(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)
(:result-types complex-double-float)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (- instance-slots-offset 4) n-word-bytes)
instance-pointer-lowtag))
(inst lfdx (complex-double-reg-real-tn value) object offset)
(inst addi offset offset (* 2 n-word-bytes))
(inst lfdx (complex-double-reg-imag-tn value) object 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)))
(:result-types complex-double-float)
(:temporary (:scs (non-descriptor-reg)) offset)
(:generator 5
(loadw offset object 0 instance-pointer-lowtag)
;; offset = (offset >> n-widetag-bits) << 2
(inst rlwinm offset offset (- 32 (- n-widetag-bits 2)) (- n-widetag-bits 2) 29)
(inst subf offset index offset)
(inst addi
offset
offset
(- (* (- instance-slots-offset 4) n-word-bytes)
instance-pointer-lowtag))
(let ((value-real (complex-double-reg-real-tn value))
(result-real (complex-double-reg-real-tn result)))
(inst stfdx value-real object offset)
(unless (location= result-real value-real)
(inst fmr result-real value-real)))
(inst addi offset offset (* 2 n-word-bytes))
(let ((value-imag (complex-double-reg-imag-tn value))
(result-imag (complex-double-reg-imag-tn result)))
(inst stfdx value-imag object offset)
(unless (location= result-imag value-imag)
(inst fmr result-imag value-imag)))))