(defvar *float-register-names* (make-array 8 :initial-element nil)))
(macrolet ((defreg (name offset size)
- (let ((offset-sym (symbolicate name "-OFFSET"))
- (names-vector (symbolicate "*" size "-REGISTER-NAMES*")))
- `(progn
- (eval-when (:compile-toplevel :load-toplevel :execute)
+ (let ((offset-sym (symbolicate name "-OFFSET"))
+ (names-vector (symbolicate "*" size "-REGISTER-NAMES*")))
+ `(progn
+ (eval-when (:compile-toplevel :load-toplevel :execute)
;; EVAL-WHEN is necessary because stuff like #.EAX-OFFSET
;; (in the same file) depends on compile-time evaluation
;; of the DEFCONSTANT. -- AL 20010224
- (def!constant ,offset-sym ,offset))
- (setf (svref ,names-vector ,offset-sym)
- ,(symbol-name name)))))
- ;; FIXME: It looks to me as though DEFREGSET should also
- ;; define the related *FOO-REGISTER-NAMES* variable.
- (defregset (name &rest regs)
- `(eval-when (:compile-toplevel :load-toplevel :execute)
- (defparameter ,name
- (list ,@(mapcar (lambda (name)
- (symbolicate name "-OFFSET"))
- regs))))))
+ (def!constant ,offset-sym ,offset))
+ (setf (svref ,names-vector ,offset-sym)
+ ,(symbol-name name)))))
+ ;; FIXME: It looks to me as though DEFREGSET should also
+ ;; define the related *FOO-REGISTER-NAMES* variable.
+ (defregset (name &rest regs)
+ `(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defparameter ,name
+ (list ,@(mapcar (lambda (name)
+ (symbolicate name "-OFFSET"))
+ regs))))))
;; byte registers
;;
;;; the new way:
(define-storage-base float-registers :finite :size 8)
-(define-storage-base stack :unbounded :size 8)
+(define-storage-base stack :unbounded :size 4 :size-increment 1)
(define-storage-base constant :non-packed)
(define-storage-base immediate-constant :non-packed)
(define-storage-base noise :unbounded :size 2)
(collect ((forms))
(let ((index 0))
(dolist (class classes)
- (let* ((sc-name (car class))
- (constant-name (symbolicate sc-name "-SC-NUMBER")))
- (forms `(define-storage-class ,sc-name ,index
- ,@(cdr class)))
- (forms `(def!constant ,constant-name ,index))
- (incf index))))
+ (let* ((sc-name (car class))
+ (constant-name (symbolicate sc-name "-SC-NUMBER")))
+ (forms `(define-storage-class ,sc-name ,index
+ ,@(cdr class)))
+ (forms `(def!constant ,constant-name ,index))
+ (incf index))))
`(progn
,@(forms))))
;;; (What a KLUDGE! Anyone who wants to come in and clean up this mess
;;; has my gratitude.) (FIXME: Maybe this should be me..)
(eval-when (:compile-toplevel :load-toplevel :execute)
- (def!constant kludge-nondeterministic-catch-block-size 6))
+ (def!constant kludge-nondeterministic-catch-block-size
+ #!-win32 5 #!+win32 7))
(!define-storage-classes
;; some FP constants can be generated in the i387 silicon
(fp-constant immediate-constant)
-
+ (fp-single-immediate immediate-constant)
+ (fp-double-immediate immediate-constant)
(immediate immediate-constant)
;;
;; the stacks
;;
-
+
;; the control stack
- (control-stack stack) ; may be pointers, scanned by GC
+ (control-stack stack) ; may be pointers, scanned by GC
;; the non-descriptor stacks
- (signed-stack stack) ; (signed-byte 32)
- (unsigned-stack stack) ; (unsigned-byte 32)
- (character-stack stack) ; non-descriptor characters.
- (sap-stack stack) ; System area pointers.
- (single-stack stack) ; single-floats
- (double-stack stack :element-size 2) ; double-floats.
+ (signed-stack stack) ; (signed-byte 32)
+ (unsigned-stack stack) ; (unsigned-byte 32)
+ (character-stack stack) ; non-descriptor characters.
+ (sap-stack stack) ; System area pointers.
+ (single-stack stack) ; single-floats
+ (double-stack stack :element-size 2) ; double-floats.
#!+long-float
- (long-stack stack :element-size 3) ; long-floats.
- (complex-single-stack stack :element-size 2) ; complex-single-floats
- (complex-double-stack stack :element-size 4) ; complex-double-floats
+ (long-stack stack :element-size 3) ; long-floats.
+ (complex-single-stack stack :element-size 2) ; complex-single-floats
+ (complex-double-stack stack :element-size 4) ; complex-double-floats
#!+long-float
- (complex-long-stack stack :element-size 6) ; complex-long-floats
+ (complex-long-stack stack :element-size 6) ; complex-long-floats
;;
;; magic SCs
;; immediate descriptor objects. Don't have to be seen by GC, but nothing
;; bad will happen if they are. (fixnums, characters, header values, etc).
(any-reg registers
- :locations #.*dword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (control-stack))
+ :locations #.*dword-regs*
+ :element-size 2
+; :reserve-locations (#.eax-offset)
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (control-stack))
;; pointer descriptor objects -- must be seen by GC
(descriptor-reg registers
- :locations #.*dword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (constant immediate)
- :save-p t
- :alternate-scs (control-stack))
+ :locations #.*dword-regs*
+ :element-size 2
+; :reserve-locations (#.eax-offset)
+ :constant-scs (constant immediate)
+ :save-p t
+ :alternate-scs (control-stack))
;; non-descriptor characters
(character-reg registers
- :locations #.*byte-regs*
- :reserve-locations (#.ah-offset #.al-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (character-stack))
+ :locations #!-sb-unicode #.*byte-regs*
+ #!+sb-unicode #.*dword-regs*
+ #!+sb-unicode #!+sb-unicode
+ :element-size 2
+ #!-sb-unicode #!-sb-unicode
+ :reserve-locations (#.ah-offset #.al-offset)
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (character-stack))
;; non-descriptor SAPs (arbitrary pointers into address space)
(sap-reg registers
- :locations #.*dword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (sap-stack))
+ :locations #.*dword-regs*
+ :element-size 2
+; :reserve-locations (#.eax-offset)
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (sap-stack))
;; non-descriptor (signed or unsigned) numbers
(signed-reg registers
- :locations #.*dword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (signed-stack))
+ :locations #.*dword-regs*
+ :element-size 2
+; :reserve-locations (#.eax-offset)
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (signed-stack))
(unsigned-reg registers
- :locations #.*dword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (unsigned-stack))
+ :locations #.*dword-regs*
+ :element-size 2
+; :reserve-locations (#.eax-offset)
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (unsigned-stack))
;; miscellaneous objects that must not be seen by GC. Used only as
;; temporaries.
(word-reg registers
- :locations #.*word-regs*
- :element-size 2
-; :reserve-locations (#.ax-offset)
- )
+ :locations #.*word-regs*
+ :element-size 2
+; :reserve-locations (#.ax-offset)
+ )
(byte-reg registers
- :locations #.*byte-regs*
-; :reserve-locations (#.al-offset #.ah-offset)
- )
+ :locations #.*byte-regs*
+; :reserve-locations (#.al-offset #.ah-offset)
+ )
;; that can go in the floating point registers
;; non-descriptor SINGLE-FLOATs
(single-reg float-registers
- :locations (0 1 2 3 4 5 6 7)
- :constant-scs (fp-constant)
- :save-p t
- :alternate-scs (single-stack))
+ :locations (0 1 2 3 4 5 6 7)
+ :constant-scs (fp-constant fp-single-immediate)
+ :save-p t
+ :alternate-scs (single-stack))
;; non-descriptor DOUBLE-FLOATs
(double-reg float-registers
- :locations (0 1 2 3 4 5 6 7)
- :constant-scs (fp-constant)
- :save-p t
- :alternate-scs (double-stack))
+ :locations (0 1 2 3 4 5 6 7)
+ :constant-scs (fp-constant fp-double-immediate)
+ :save-p t
+ :alternate-scs (double-stack))
;; non-descriptor LONG-FLOATs
#!+long-float
(long-reg float-registers
- :locations (0 1 2 3 4 5 6 7)
- :constant-scs (fp-constant)
- :save-p t
- :alternate-scs (long-stack))
+ :locations (0 1 2 3 4 5 6 7)
+ :constant-scs (fp-constant)
+ :save-p t
+ :alternate-scs (long-stack))
(complex-single-reg float-registers
- :locations (0 2 4 6)
- :element-size 2
- :constant-scs ()
- :save-p t
- :alternate-scs (complex-single-stack))
+ :locations (0 2 4 6)
+ :element-size 2
+ :constant-scs ()
+ :save-p t
+ :alternate-scs (complex-single-stack))
(complex-double-reg float-registers
- :locations (0 2 4 6)
- :element-size 2
- :constant-scs ()
- :save-p t
- :alternate-scs (complex-double-stack))
+ :locations (0 2 4 6)
+ :element-size 2
+ :constant-scs ()
+ :save-p t
+ :alternate-scs (complex-double-stack))
#!+long-float
(complex-long-reg float-registers
- :locations (0 2 4 6)
- :element-size 2
- :constant-scs ()
- :save-p t
- :alternate-scs (complex-long-stack))
+ :locations (0 2 4 6)
+ :element-size 2
+ :constant-scs ()
+ :save-p t
+ :alternate-scs (complex-long-stack))
;; a catch or unwind block
(catch-block stack :element-size kludge-nondeterministic-catch-block-size))
(eval-when (:compile-toplevel :load-toplevel :execute)
-(defparameter *byte-sc-names* '(character-reg byte-reg character-stack))
+(defparameter *byte-sc-names*
+ '(#!-sb-unicode character-reg byte-reg #!-sb-unicode character-stack))
(defparameter *word-sc-names* '(word-reg))
(defparameter *dword-sc-names*
'(any-reg descriptor-reg sap-reg signed-reg unsigned-reg control-stack
- signed-stack unsigned-stack sap-stack single-stack constant))
+ signed-stack unsigned-stack sap-stack single-stack
+ #!+sb-unicode character-reg #!+sb-unicode character-stack constant))
;;; added by jrd. I guess the right thing to do is to treat floats
;;; as a separate size...
;;;
;;;; miscellaneous TNs for the various registers
(macrolet ((def-misc-reg-tns (sc-name &rest reg-names)
- (collect ((forms))
- (dolist (reg-name reg-names)
- (let ((tn-name (symbolicate reg-name "-TN"))
- (offset-name (symbolicate reg-name "-OFFSET")))
- ;; FIXME: It'd be good to have the special
- ;; variables here be named with the *FOO*
- ;; convention.
- (forms `(defparameter ,tn-name
- (make-random-tn :kind :normal
- :sc (sc-or-lose ',sc-name)
- :offset
- ,offset-name)))))
- `(progn ,@(forms)))))
+ (collect ((forms))
+ (dolist (reg-name reg-names)
+ (let ((tn-name (symbolicate reg-name "-TN"))
+ (offset-name (symbolicate reg-name "-OFFSET")))
+ ;; FIXME: It'd be good to have the special
+ ;; variables here be named with the *FOO*
+ ;; convention.
+ (forms `(defparameter ,tn-name
+ (make-random-tn :kind :normal
+ :sc (sc-or-lose ',sc-name)
+ :offset
+ ,offset-name)))))
+ `(progn ,@(forms)))))
(def-misc-reg-tns unsigned-reg eax ebx ecx edx ebp esp edi esi)
(def-misc-reg-tns word-reg ax bx cx dx bp sp di si)
;;; TNs for registers used to pass arguments
(defparameter *register-arg-tns*
(mapcar (lambda (register-arg-name)
- (symbol-value (symbolicate register-arg-name "-TN")))
- *register-arg-names*))
+ (symbol-value (symbolicate register-arg-name "-TN")))
+ *register-arg-names*))
;;; FIXME: doesn't seem to be used in SBCL
#|
;;; added by pw
(defparameter fp-constant-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'fp-constant)
- :offset 31)) ; Offset doesn't get used.
+ :sc (sc-or-lose 'fp-constant)
+ :offset 31)) ; Offset doesn't get used.
|#
\f
;;; If value can be represented as an immediate constant, then return
;;; the appropriate SC number, otherwise return NIL.
-(!def-vm-support-routine immediate-constant-sc (value)
+(defun immediate-constant-sc (value)
(typecase value
((or (integer #.sb!xc:most-negative-fixnum #.sb!xc:most-positive-fixnum)
- #-sb-xc-host system-area-pointer character)
+ character)
(sc-number-or-lose 'immediate))
(symbol
(when (static-symbol-p value)
(sc-number-or-lose 'immediate)))
(single-float
- (when (or (eql value 0f0) (eql value 1f0))
- (sc-number-or-lose 'fp-constant)))
+ (case value
+ ((0f0 1f0) (sc-number-or-lose 'fp-constant))
+ (t (sc-number-or-lose 'fp-single-immediate))))
(double-float
- (when (or (eql value 0d0) (eql value 1d0))
- (sc-number-or-lose 'fp-constant)))
+ (case value
+ ((0d0 1d0) (sc-number-or-lose 'fp-constant))
+ (t (sc-number-or-lose 'fp-double-immediate))))
#!+long-float
(long-float
- (when (or (eql value 0l0) (eql value 1l0)
- (eql value pi)
- (eql value (log 10l0 2l0))
- (eql value (log 2.718281828459045235360287471352662L0 2l0))
- (eql value (log 2l0 10l0))
- (eql value (log 2l0 2.718281828459045235360287471352662L0)))
- (sc-number-or-lose 'fp-constant)))))
+ (when (or (eql value 0l0) (eql value 1l0)
+ (eql value pi)
+ (eql value (log 10l0 2l0))
+ (eql value (log 2.718281828459045235360287471352662L0 2l0))
+ (eql value (log 2l0 10l0))
+ (eql value (log 2l0 2.718281828459045235360287471352662L0)))
+ (sc-number-or-lose 'fp-constant)))))
+
+(defun boxed-immediate-sc-p (sc)
+ (eql sc (sc-number-or-lose 'immediate)))
+
+;; For an immediate TN, return its value encoded for use as a literal.
+;; For any other TN, return the TN. Only works for FIXNUMs,
+;; STATIC-SYMBOLs, and CHARACTERS (FLOATs and SAPs are handled
+;; elsewhere).
+(defun encode-value-if-immediate (tn)
+ (if (sc-is tn immediate)
+ (let ((val (tn-value tn)))
+ (etypecase val
+ (integer (fixnumize val))
+ (symbol (+ nil-value (static-symbol-offset val)))
+ (character (logior (ash (char-code val) n-widetag-bits)
+ character-widetag))))
+ tn))
\f
;;;; miscellaneous function call parameters
-;;; offsets of special stack frame locations
-(def!constant ocfp-save-offset 0)
-(def!constant return-pc-save-offset 1)
-(def!constant code-save-offset 2)
+;;; Offsets of special stack frame locations relative to EBP.
+;;;
+;;; Consider the standard prologue PUSH EBP; MOV EBP, ESP: the return
+;;; address is at EBP+4, the old control stack frame pointer is at
+;;; EBP, the magic 3rd slot is at EBP-4. Then come the locals from
+;;; EBP-8 on.
+(def!constant return-pc-save-offset 0)
+(def!constant ocfp-save-offset 1)
+;;; Let SP be the stack pointer before CALLing, and FP is the frame
+;;; pointer after the standard prologue. SP +
+;;; FRAME-WORD-OFFSET(SP->FP-OFFSET + I) = FP + FRAME-WORD-OFFSET(I).
+(def!constant sp->fp-offset 2)
+
+(declaim (inline frame-word-offset))
+(defun frame-word-offset (index)
+ (- (1- index)))
+
+(declaim (inline frame-byte-offset))
+(defun frame-byte-offset (index)
+ (* (frame-word-offset index) n-word-bytes))
;;; FIXME: This is a bad comment (changed since when?) and there are others
;;; like it in this file. It'd be nice to clarify them. Failing that deleting
;;; names of these things seem to have changed. these aliases by jrd
(def!constant lra-save-offset return-pc-save-offset)
-(def!constant cfp-offset ebp-offset) ; pfw - needed by stuff in /code
- ; related to signal context stuff
+(def!constant cfp-offset ebp-offset) ; pfw - needed by stuff in /code
+ ; related to signal context stuff
;;; This is used by the debugger.
(def!constant single-value-return-byte-offset 2)
\f
;;; This function is called by debug output routines that want a pretty name
;;; for a TN's location. It returns a thing that can be printed with PRINC.
-(!def-vm-support-routine location-print-name (tn)
+(defun location-print-name (tn)
(declare (type tn tn))
(let* ((sc (tn-sc tn))
- (sb (sb-name (sc-sb sc)))
- (offset (tn-offset tn)))
+ (sb (sb-name (sc-sb sc)))
+ (offset (tn-offset tn)))
(ecase sb
(registers
(let* ((sc-name (sc-name sc))
- (name-vec (cond ((member sc-name *byte-sc-names*)
- *byte-register-names*)
- ((member sc-name *word-sc-names*)
- *word-register-names*)
- ((member sc-name *dword-sc-names*)
- *dword-register-names*))))
- (or (and name-vec
- (< -1 offset (length name-vec))
- (svref name-vec offset))
- ;; FIXME: Shouldn't this be an ERROR?
- (format nil "<unknown reg: off=~W, sc=~A>" offset sc-name))))
+ (name-vec (cond ((member sc-name *byte-sc-names*)
+ *byte-register-names*)
+ ((member sc-name *word-sc-names*)
+ *word-register-names*)
+ ((member sc-name *dword-sc-names*)
+ *dword-register-names*))))
+ (or (and name-vec
+ (< -1 offset (length name-vec))
+ (svref name-vec offset))
+ ;; FIXME: Shouldn't this be an ERROR?
+ (format nil "<unknown reg: off=~W, sc=~A>" offset sc-name))))
(float-registers (format nil "FR~D" offset))
(stack (format nil "S~D" offset))
(constant (format nil "Const~D" offset))
(noise (symbol-name (sc-name sc))))))
;;; FIXME: Could this, and everything that uses it, be made #!+SB-SHOW?
-\f
-;;; The loader uses this to convert alien names to the form they need in
-;;; the symbol table (for example, prepending an underscore).
-(defun extern-alien-name (name)
- (declare (type string name))
- ;; ELF ports currently don't need any prefix
- (typecase name
- (simple-base-string name)
- (base-string (coerce name 'simple-base-string))
- (t (handler-case (coerce name 'simple-base-string)
- (type-error () (error "invalid external alien name: ~S" name))))))
+(defun combination-implementation-style (node)
+ (declare (type sb!c::combination node))
+ (flet ((valid-funtype (args result)
+ (sb!c::valid-fun-use node
+ (sb!c::specifier-type
+ `(function ,args ,result)))))
+ (case (sb!c::combination-fun-source-name node)
+ (logtest
+ (cond
+ ((valid-funtype '(fixnum fixnum) '*)
+ (values :maybe nil))
+ ((valid-funtype '((signed-byte 32) (signed-byte 32)) '*)
+ (values :maybe nil))
+ ((valid-funtype '((unsigned-byte 32) (unsigned-byte 32)) '*)
+ (values :maybe nil))
+ (t (values :default nil))))
+ (logbitp
+ (cond
+ ((and (valid-funtype '((integer 0 29) fixnum) '*)
+ (sb!c::constant-lvar-p (first (sb!c::basic-combination-args node))))
+ (values :transform '(lambda (index integer)
+ (%logbitp integer index))))
+ ((valid-funtype '((integer 0 31) (signed-byte 32)) '*)
+ (values :transform '(lambda (index integer)
+ (%logbitp integer index))))
+ ((valid-funtype '((integer 0 31) (unsigned-byte 32)) '*)
+ (values :transform '(lambda (index integer)
+ (%logbitp integer index))))
+ (t (values :default nil))))
+ (t (values :default nil)))))
projects / sbcl.git / blobdiff