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;;; -*- Mode: LISP; Syntax: Common-Lisp; Base: 10; Package: x86 -*-
;;;
;;; **********************************************************************
;;; This code was written as part of the CMU Common Lisp project at
;;; Carnegie Mellon University, and has been placed in the public domain.
;;; If you want to use this code or any part of CMU Common Lisp, please contact
;;; Scott Fahlman or slisp-group@cs.cmu.edu.
;;;
(ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/x86/array.lisp,v 1.3 1997/03/25 16:59:26 dtc Exp $")
;;;
;;; **********************************************************************
;;;
;;; This file contains the x86 definitions for array operations.
;;;
;;; Written by William Lott
;;;
;;; Debugged by Paul F. Werkowski Spring/Summer 1995.
;;; Enhancements/debugging by Douglas T. Crosher 1996,1997.
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;;;
(in-package :x86)
;;;; Allocator for the array header.
(define-vop (make-array-header)
(:translate make-array-header)
(:policy :fast-safe)
(:args (type :scs (any-reg))
(rank :scs (any-reg)))
(:arg-types positive-fixnum positive-fixnum)
(:temporary (:sc any-reg) bytes)
(:temporary (:sc any-reg) header)
(:temporary (:sc any-reg) alloc)
(:results (result :scs (descriptor-reg)))
(:generator 13
(inst lea bytes
(make-ea :dword :base rank
:disp (+ (* (1+ array-dimensions-offset) word-bytes)
lowtag-mask)))
(inst and bytes (lognot lowtag-mask))
(inst lea header (make-ea :dword :base rank
:disp (fixnum (1- array-dimensions-offset))))
(inst shl header type-bits)
(inst or header type)
(inst shr header 2)
#-cgc
(with-allocation (alloc)
(inst lea result (make-ea :dword :base alloc :disp other-pointer-type))
(inst add alloc bytes))
#+cgc
(with-cgc-allocation (alloc bytes)
(inst lea result (make-ea :dword :base alloc :disp other-pointer-type)))
(storew header result 0 other-pointer-type)))
;;;; Additional accessors and setters for the array header.
(defknown lisp::%array-dimension (t index) index
(flushable))
(defknown lisp::%set-array-dimension (t index index) index
())
(define-full-reffer %array-dimension *
array-dimensions-offset other-pointer-type
(any-reg) positive-fixnum lisp::%array-dimension)
(define-full-setter %set-array-dimension *
array-dimensions-offset other-pointer-type
(any-reg) positive-fixnum lisp::%set-array-dimension)
(defknown lisp::%array-rank (t) index (flushable))
(define-vop (array-rank-vop)
(:translate lisp::%array-rank)
(:policy :fast-safe)
(:args (x :scs (descriptor-reg)))
(:results (res :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
(loadw res x 0 other-pointer-type)
(inst shr res type-bits)
(inst sub res (1- array-dimensions-offset))))
;;;; Bounds checking routine.
(define-vop (check-bound)
(:translate %check-bound)
(:policy :fast-safe)
(:args (array)
(bound :scs (any-reg))
(index :scs (any-reg immediate) :target result))
(:arg-types * positive-fixnum tagged-num)
(:results (result :scs (any-reg descriptor-reg)))
(:result-types positive-fixnum)
(:vop-var vop)
(:save-p :compute-only)
(:generator 5
(let ((error (generate-error-code vop invalid-array-index-error
array bound index))
(index (if (sc-is index immediate) (fixnum (tn-value index)) index)))
(inst cmp bound index)
;; We use below-or-equal even though it's an unsigned test, because
;; negative indexes appear as real large unsigned numbers. Therefore,
;; we get the < 0 and >= bound test all rolled into one.
(inst jmp :be error)
(unless (and (tn-p index) (location= result index))
(inst mov result index)))))
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;;;; Accessors/Setters
;;; Variants built on top of word-index-ref, etc. I.e. those vectors whos
;;; elements are represented in integer registers and are built out of
;;; 8, 16, or 32 bit elements.
(eval-when (compile eval)
(defmacro def-full-data-vector-frobs (type element-type &rest scs)
`(progn
(define-full-reffer ,(symbolicate "DATA-VECTOR-REF/" type) ,type
vector-data-offset other-pointer-type ,scs ,element-type
data-vector-ref)
(define-full-setter ,(symbolicate "DATA-VECTOR-SET/" type) ,type
vector-data-offset other-pointer-type ,scs ,element-type
data-vector-set)))
); eval-when (compile eval)
(def-full-data-vector-frobs simple-vector * descriptor-reg any-reg)
(def-full-data-vector-frobs simple-array-unsigned-byte-32 unsigned-num
unsigned-reg)
;;; Integer vectors whos elements are smaller than a byte. I.e. bit, 2-bit,
;;; and 4-bit vectors.
;;;
(eval-when (compile eval)
(defmacro def-small-data-vector-frobs (type bits)
(let* ((elements-per-word (floor vm:word-bits bits))
(bit-shift (1- (integer-length elements-per-word))))
`(progn
(define-vop (,(symbolicate 'data-vector-ref/ type))
(:note "inline array access")
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (unsigned-reg)))
(:arg-types ,type positive-fixnum)
(:results (result :scs (unsigned-reg) :from (:argument 0)))
(:result-types positive-fixnum)
(:temporary (:sc dword-reg :offset ecx-offset) ecx)
(:generator 20
(move ecx index)
(inst shr ecx ,bit-shift)
(inst mov result
(make-ea :dword :base object :index ecx :scale 4
:disp (- (* vector-data-offset word-bytes)
other-pointer-type)))
(move ecx index)
(inst and ecx ,(1- elements-per-word))
,@(unless (= bits 1)
`((inst shl ecx ,(1- (integer-length bits)))))
(inst shr result :cl)
(inst and result ,(1- (ash 1 bits)))))
(define-vop (,(symbolicate 'data-vector-ref-c/ type))
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:arg-types ,type (:constant index))
(:info index)
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 15
(multiple-value-bind (word extra) (floor index ,elements-per-word)
(loadw result object (+ word vector-data-offset)
other-pointer-type)
(unless (zerop extra)
(inst shr result (* extra ,bits)))
(unless (= extra ,(1- elements-per-word))
(inst and result ,(1- (ash 1 bits)))))))
(define-vop (,(symbolicate 'data-vector-set/ type))
(:note "inline array store")
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :target ptr)
(index :scs (unsigned-reg) :target ecx)
(value :scs (unsigned-reg immediate) :target result))
(:arg-types ,type positive-fixnum positive-fixnum)
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:temporary (:sc dword-reg) word-index)
(:temporary (:sc dword-reg :from (:argument 0)) ptr old)
(:temporary (:sc dword-reg :offset ecx-offset :from (:argument 1))
ecx)
(:generator 25
(move word-index index)
(inst shr word-index ,bit-shift)
(inst lea ptr
(make-ea :dword :base object :index word-index :scale 4
:disp (- (* vector-data-offset word-bytes)
other-pointer-type)))
(loadw old ptr)
(move ecx index)
(inst and ecx ,(1- elements-per-word))
,@(unless (= bits 1)
`((inst shl ecx ,(1- (integer-length bits)))))
(inst ror old :cl)
(unless (and (sc-is value immediate)
(= (tn-value value) ,(1- (ash 1 bits))))
(inst and old ,(lognot (1- (ash 1 bits)))))
(sc-case value
(immediate
(unless (zerop (tn-value value))
(inst or old (logand (tn-value value) ,(1- (ash 1 bits))))))
(unsigned-reg
(inst or old value)))
(inst rol old :cl)
(storew old ptr)
(sc-case value
(immediate
(inst mov result (tn-value value)))
(unsigned-reg
(move result value)))))
(define-vop (,(symbolicate 'data-vector-set-c/ type))
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(value :scs (unsigned-reg immediate) :target result))
(:arg-types ,type (:constant index) positive-fixnum)
(:info index)
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:temporary (:sc dword-reg :to (:result 0)) old)
(:generator 20
(multiple-value-bind (word extra) (floor index ,elements-per-word)
(inst mov old
(make-ea :dword :base object
:disp (- (* (+ word vector-data-offset) word-bytes)
other-pointer-type)))
(sc-case value
(immediate
(let* ((value (tn-value value))
(mask ,(1- (ash 1 bits)))
(shift (* extra ,bits)))
(unless (= value mask)
(inst and old (lognot (ash mask shift))))
(unless (zerop value)
(inst or old (ash value shift)))))
(unsigned-reg
(let ((shift (* extra ,bits)))
(unless (zerop shift)
(inst ror old shift)
(inst and old (lognot ,(1- (ash 1 bits))))
(inst or old value)
(inst rol old shift)))))
(inst mov (make-ea :dword :base object
:disp (- (* (+ word vector-data-offset) word-bytes)
other-pointer-type))
old)
(sc-case value
(immediate
(inst mov result (tn-value value)))
(unsigned-reg
(move result value)))))))))
); eval-when (compile eval)
(def-small-data-vector-frobs simple-bit-vector 1)
(def-small-data-vector-frobs simple-array-unsigned-byte-2 2)
(def-small-data-vector-frobs simple-array-unsigned-byte-4 4)
;;; And the float variants.
;;;
(define-vop (data-vector-ref/simple-array-single-float)
(:note "inline array access")
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (any-reg)))
(:arg-types simple-array-single-float positive-fixnum)
(:results (value :scs (single-reg)))
(:result-types single-float)
(:generator 5
(with-empty-tn@fp-top(value)
(inst fld (make-ea :dword :base object :index index :scale 1
:disp (- (* vm:vector-data-offset vm:word-bytes)
vm:other-pointer-type))))))
(define-vop (data-vector-ref-c/simple-array-single-float)
(:note "inline array access")
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:info index)
(:arg-types simple-array-single-float (:constant (signed-byte 30)))
(:results (value :scs (single-reg)))
(:result-types single-float)
(:generator 4
(with-empty-tn@fp-top(value)
(inst fld (make-ea :dword :base object
:disp (- (+ (* vm:vector-data-offset vm:word-bytes)
(* 4 index))
vm:other-pointer-type))))))
(define-vop (data-vector-set/simple-array-single-float)
(:note "inline array store")
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (any-reg))
(value :scs (single-reg) :target result))
(:arg-types simple-array-single-float positive-fixnum single-float)
(:results (result :scs (single-reg)))
(:result-types single-float)
(:generator 5
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(cond ((zerop (tn-offset value))
;; Value is in ST0
(inst fst (make-ea :dword :base object :index index :scale 1
:disp (- (* vm:vector-data-offset vm:word-bytes)
vm:other-pointer-type)))
(unless (zerop (tn-offset result))
;; Value is in ST0 but not result.
(inst fst result)))
(t
;; Value is not in ST0.
(inst fxch value)
(inst fst (make-ea :dword :base object :index index :scale 1
:disp (- (* vm:vector-data-offset vm:word-bytes)
vm:other-pointer-type)))
(cond ((zerop (tn-offset result))
;; The result is in ST0.
(inst fst value))
(t
;; Neither value or result are in ST0
(unless (location= value result)
(inst fst result))
(inst fxch value)))))))
(define-vop (data-vector-set-c/simple-array-single-float)
(:note "inline array store")
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(value :scs (single-reg) :target result))
(:info index)
(:arg-types simple-array-single-float (:constant (signed-byte 30))
single-float)
(:results (result :scs (single-reg)))
(:result-types single-float)
(:generator 4
(cond ((zerop (tn-offset value))
;; Value is in ST0
(inst fst (make-ea :dword :base object
:disp (- (+ (* vm:vector-data-offset
vm:word-bytes)
(* 4 index))
vm:other-pointer-type)))
(unless (zerop (tn-offset result))
;; Value is in ST0 but not result.
(inst fst result)))
(t
;; Value is not in ST0.
(inst fxch value)
(inst fst (make-ea :dword :base object
:disp (- (+ (* vm:vector-data-offset
vm:word-bytes)
(* 4 index))
vm:other-pointer-type)))
(cond ((zerop (tn-offset result))
;; The result is in ST0.
(inst fst value))
(t
;; Neither value or result are in ST0
(unless (location= value result)
(inst fst result))
(inst fxch value)))))))
(define-vop (data-vector-ref/simple-array-double-float)
(:note "inline array access")
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (any-reg)))
(:arg-types simple-array-double-float positive-fixnum)
(:results (value :scs (double-reg)))
(:result-types double-float)
(:generator 7
(with-empty-tn@fp-top(value)
(inst fldd (make-ea :dword :base object :index index :scale 2
:disp (- (* vm:vector-data-offset vm:word-bytes)
vm:other-pointer-type))))))
(define-vop (data-vector-ref-c/simple-array-double-float)
(:note "inline array access")
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:info index)
(:arg-types simple-array-double-float (:constant (signed-byte 30)))
(:results (value :scs (double-reg)))
(:result-types double-float)
(:generator 6
(with-empty-tn@fp-top(value)
(inst fldd (make-ea :dword :base object
:disp (- (+ (* vm:vector-data-offset vm:word-bytes)
(* 8 index))
vm:other-pointer-type))))))
(define-vop (data-vector-set/simple-array-double-float)
(:note "inline array store")
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (any-reg))
(value :scs (double-reg) :target result))
(:arg-types simple-array-double-float positive-fixnum double-float)
(:results (result :scs (double-reg)))
(:result-types double-float)
(:generator 20
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(cond ((zerop (tn-offset value))
;; Value is in ST0
(inst fstd (make-ea :dword :base object :index index :scale 2
:disp (- (* vm:vector-data-offset vm:word-bytes)
vm:other-pointer-type)))
(unless (zerop (tn-offset result))
;; Value is in ST0 but not result.
(inst fstd result)))
(t
;; Value is not in ST0.
(inst fxch value)
(inst fstd (make-ea :dword :base object :index index :scale 2
:disp (- (* vm:vector-data-offset vm:word-bytes)
vm:other-pointer-type)))
(cond ((zerop (tn-offset result))
;; The result is in ST0.
(inst fstd value))
(t
;; Neither value or result are in ST0
(unless (location= value result)
(inst fstd result))
(inst fxch value)))))))
(define-vop (data-vector-set-c/simple-array-double-float)
(:note "inline array store")
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(value :scs (double-reg) :target result))
(:info index)
(:arg-types simple-array-double-float (:constant (signed-byte 30))
double-float)
(:results (result :scs (double-reg)))
(:result-types double-float)
(:generator 19
(cond ((zerop (tn-offset value))
;; Value is in ST0
(inst fstd (make-ea :dword :base object
:disp (- (+ (* vm:vector-data-offset
vm:word-bytes)
(* 8 index))
vm:other-pointer-type)))
(unless (zerop (tn-offset result))
;; Value is in ST0 but not result.
(inst fstd result)))
(t
;; Value is not in ST0.
(inst fxch value)
(inst fstd (make-ea :dword :base object
:disp (- (+ (* vm:vector-data-offset
vm:word-bytes)
(* 8 index))
vm:other-pointer-type)))
(cond ((zerop (tn-offset result))
;; The result is in ST0.
(inst fstd value))
(t
;; Neither value or result are in ST0
(unless (location= value result)
(inst fstd result))
(inst fxch value)))))))
;;; These VOPs are used for implementing float slots in structures (whose raw
;;; data is an unsigned-32 vector.
(define-vop (raw-ref-single data-vector-ref/simple-array-single-float)
(:translate %raw-ref-single)
(:arg-types simple-array-unsigned-byte-32 positive-fixnum))
(define-vop (raw-ref-single-c data-vector-ref-c/simple-array-single-float)
(:translate %raw-ref-single)
(:arg-types simple-array-unsigned-byte-32 (:constant (signed-byte 30))))
;;;
(define-vop (raw-set-single data-vector-set/simple-array-single-float)
(:translate %raw-set-single)
(:arg-types simple-array-unsigned-byte-32 positive-fixnum single-float))
(define-vop (raw-set-single-c data-vector-set-c/simple-array-single-float)
(:translate %raw-set-single)
(:arg-types simple-array-unsigned-byte-32 (:constant (signed-byte 30))
single-float))
;;;
(define-vop (raw-ref-double data-vector-ref/simple-array-double-float)
(:translate %raw-ref-double)
(:arg-types simple-array-unsigned-byte-32 positive-fixnum))
(define-vop (raw-ref-double-c data-vector-ref-c/simple-array-double-float)
(:translate %raw-ref-double)
(:arg-types simple-array-unsigned-byte-32 (:constant (signed-byte 30))))
;;;
(define-vop (raw-set-double data-vector-set/simple-array-double-float)
(:translate %raw-set-double)
(:arg-types simple-array-unsigned-byte-32 positive-fixnum double-float))
(define-vop (raw-set-double-c data-vector-set-c/simple-array-double-float)
(:translate %raw-set-double)
(:arg-types simple-array-unsigned-byte-32 (:constant (signed-byte 30))
double-float))
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;;; These vops are useful for accessing the bits of a vector irrespective of
;;; what type of vector it is.
;;;
(define-full-reffer raw-bits * 0 other-pointer-type (unsigned-reg) unsigned-num
%raw-bits)
(define-full-setter set-raw-bits * 0 other-pointer-type (unsigned-reg)
unsigned-num %set-raw-bits)
;;;; Misc. Array VOPs.
(define-vop (get-vector-subtype get-header-data))
(define-vop (set-vector-subtype set-header-data))
;;;;
;;;; dtc expanded and fixed the following:
;;; unsigned-byte-8
(define-vop (data-vector-ref/simple-array-unsigned-byte-8)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (unsigned-reg)))
(:arg-types simple-array-unsigned-byte-8 positive-fixnum)
(:results (value :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 5
(inst movzx value
(make-ea :byte :base object :index index :scale 1
:disp (- (* vector-data-offset word-bytes)
other-pointer-type)))))
(define-vop (data-vector-ref-c/simple-array-unsigned-byte-8)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:info index)
(:arg-types simple-array-unsigned-byte-8 (:constant (signed-byte 30)))
(:results (value :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 4
(inst movzx value
(make-ea :byte :base object
:disp (- (+ (* vector-data-offset word-bytes) index)
other-pointer-type)))))
(define-vop (data-vector-set/simple-array-unsigned-byte-8)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(index :scs (unsigned-reg) :to (:eval 0))
(value :scs (unsigned-reg signed-reg) :target eax))
(:arg-types simple-array-unsigned-byte-8 positive-fixnum positive-fixnum)
(:temporary (:sc dword-reg :offset eax-offset :target result
:from (:argument 2) :to (:result 0))
eax)
(:results (result :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 5
(move eax value)
(inst mov
(make-ea :byte :base object :index index :scale 1
:disp (- (* vector-data-offset word-bytes) other-pointer-type))
al-tn)
(move result eax)))
(define-vop (data-vector-set-c/simple-array-unsigned-byte-8)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(value :scs (unsigned-reg signed-reg) :target eax))
(:arg-types simple-array-unsigned-byte-8 (:constant (signed-byte 30))
positive-fixnum)
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(:temporary (:sc dword-reg :offset eax-offset :target result
:from (:argument 1) :to (:result 0))
eax)
(:results (result :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 4
(move eax value)
(inst mov
(make-ea :byte :base object
:disp (- (+ (* vector-data-offset word-bytes) index)
other-pointer-type))
al-tn)
(move result eax)))
;;; unsigned-byte-16
(define-vop (data-vector-ref/simple-array-unsigned-byte-16)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (unsigned-reg)))
(:arg-types simple-array-unsigned-byte-16 positive-fixnum)
(:results (value :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 5
(inst movzx value
(make-ea :word :base object :index index :scale 2
:disp (- (* vector-data-offset word-bytes)
other-pointer-type)))))
(define-vop (data-vector-ref-c/simple-array-unsigned-byte-16)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:info index)
(:arg-types simple-array-unsigned-byte-16 (:constant (signed-byte 30)))
(:results (value :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 4
(inst movzx value
(make-ea :word :base object
:disp (- (+ (* vector-data-offset word-bytes)
(* 2 index))
other-pointer-type)))))
(define-vop (data-vector-set/simple-array-unsigned-byte-16)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(index :scs (unsigned-reg) :to (:eval 0))
(value :scs (unsigned-reg signed-reg) :target eax))
(:arg-types simple-array-unsigned-byte-16 positive-fixnum positive-fixnum)
(:temporary (:sc dword-reg :offset eax-offset :target result
:from (:argument 2) :to (:result 0))
eax)
(:results (result :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 5
(move eax value)
(inst mov (make-ea :word :base object :index index :scale 2
:disp (- (* vector-data-offset word-bytes)
other-pointer-type))
ax-tn)
(move result eax)))
(define-vop (data-vector-set-c/simple-array-unsigned-byte-16)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(value :scs (unsigned-reg signed-reg) :target eax))
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(:info index)
(:arg-types simple-array-unsigned-byte-16 (:constant (signed-byte 30)) positive-fixnum)
(:temporary (:sc dword-reg :offset eax-offset :target result
:from (:argument 1) :to (:result 0))
eax)
(:results (result :scs (unsigned-reg signed-reg)))
(:result-types positive-fixnum)
(:generator 4
(move eax value)
(inst mov
(make-ea :word :base object
:disp (- (+ (* vector-data-offset word-bytes)
(* 2 index))
other-pointer-type))
ax-tn)
(move result eax)))
;;; simple-string
(define-vop (data-vector-ref/simple-string)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (unsigned-reg)))
(:arg-types simple-string positive-fixnum)
(:temporary (:sc dword-reg ; byte-reg
:offset eax-offset ; al-offset
:target value
:from (:eval 0) :to (:result 0))
eax)
(:ignore eax)
(:results (value :scs (base-char-reg)))
(:result-types base-char)
(:generator 5
(inst mov al-tn
(make-ea :byte :base object :index index :scale 1
:disp (- (* vector-data-offset word-bytes) other-pointer-type)))
(move value al-tn)))
(define-vop (data-vector-ref-c/simple-string)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:info index)
(:arg-types simple-string (:constant (signed-byte 30)))
(:temporary (:sc dword-reg :offset eax-offset :target value
:from (:eval 0) :to (:result 0))
eax)
(:ignore eax)
(:results (value :scs (base-char-reg)))
(:result-types base-char)
(:generator 4
(inst mov al-tn
(make-ea :byte :base object
:disp (- (+ (* vector-data-offset word-bytes) index)
other-pointer-type)))
(move value al-tn)))
(define-vop (data-vector-set/simple-string)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(index :scs (unsigned-reg) :to (:eval 0))
(value :scs (base-char-reg)))
(:arg-types simple-string positive-fixnum base-char)
(:results (result :scs (base-char-reg)))
(:result-types base-char)
(:generator 5
(inst mov (make-ea :byte :base object :index index :scale 1
:disp (- (* vector-data-offset word-bytes)
other-pointer-type))
value)
(move result value)))
(define-vop (data-vector-set/simple-string-c)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(value :scs (base-char-reg)))
(:info index)
(:arg-types simple-string (:constant (signed-byte 30)) base-char)
(:results (result :scs (base-char-reg)))
(:result-types base-char)
(:generator 4
(inst mov (make-ea :byte :base object
:disp (- (+ (* vector-data-offset word-bytes)
index)
other-pointer-type))
value)
(move result value)))
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;;; signed-byte-16
#+nil
(define-vop (data-vector-ref/simple-array-signed-byte-16)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg))
(index :scs (unsigned-reg)))
(:arg-types simple-array-signed-byte-16 positive-fixnum)
(:results (value :scs (signed-reg)))
(:result-types tagged-num)
(:generator 5
(inst movsx value
(make-ea :word :base object :index index :scale 2
:disp (- (* vector-data-offset word-bytes)
other-pointer-type)))))
#+nil
(define-vop (data-vector-ref-c/simple-array-signed-byte-16)
(:translate data-vector-ref)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:info index)
(:arg-types simple-array-signed-byte-16 (:constant (signed-byte 30)))
(:results (value :scs (signed-reg)))
(:result-types tagged-num)
(:generator 4
(inst movsx value
(make-ea :word :base object
:disp (- (+ (* vector-data-offset word-bytes)
(* 2 index))
other-pointer-type)))))
#+nil
(define-vop (data-vector-set/simple-array-signed-byte-16)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(index :scs (unsigned-reg) :to (:eval 0))
(value :scs (signed-reg) :target eax))
(:arg-types simple-array-signed-byte-16 positive-fixnum tagged-num)
(:temporary (:sc dword-reg :offset eax-offset :target result
:from (:argument 2) :to (:result 0))
eax)
(:results (result :scs (signed-reg)))
(:result-types tagged-num)
(:generator 5
(move eax value)
(inst mov (make-ea :word :base object :index index :scale 2
:disp (- (* vector-data-offset word-bytes)
other-pointer-type))
ax-tn)
(move result eax)))
#+nil
(define-vop (data-vector-set-c/simple-array-signed-byte-16)
(:translate data-vector-set)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg) :to (:eval 0))
(value :scs (signed-reg) :target eax))
(:info index)
(:arg-types simple-array-signed-byte-16 (:constant (signed-byte 30)) tagged-num)
(:temporary (:sc dword-reg :offset eax-offset :target result
:from (:argument 1) :to (:result 0))
eax)
(:results (result :scs (signed-reg)))
(:result-types tagged-num)
(:generator 4
(move eax value)
(inst mov
(make-ea :word :base object
:disp (- (+ (* vector-data-offset word-bytes)
(* 2 index))
other-pointer-type))
ax-tn)
(move result eax)))