(defvar *float-register-names* (make-array 16 :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
;;
(defreg r15b 30 :byte)
(defregset *byte-regs*
al cl dl bl sil dil r8b r9b r10b
- r11b #+nil r12b #+nil r13b r14b r15b)
+ #+nil r11b #+nil r12b r13b r14b r15b)
;; word registers
(defreg ax 0 :word)
(defreg r13 26 :qword)
(defreg r14 28 :qword)
(defreg r15 30 :qword)
- (defregset *qword-regs* rax rcx rdx rbx rsi rdi
- r8 r9 r10 r11 #+nil r12 #+nil r13 r14 r15)
+ ;; for no good reason at the time, r12 and r13 were missed from the
+ ;; list of qword registers. However
+ ;; <jsnell> r13 is already used as temporary [#lisp irc 2005/01/30]
+ ;; and we're now going to use r12 for the struct thread*
+ ;;
+ ;; Except that now we use r11 instead of r13 as the temporary,
+ ;; since it's got a more compact encoding than r13, and experimentally
+ ;; the temporary gets used more than the other registers that are never
+ ;; wired. -- JES, 2005-11-02
+ (defregset *qword-regs* rax rcx rdx rbx rsi rdi
+ r8 r9 r10 #+nil r11 #+nil r12 r13 r14 r15)
;; floating point registers
(defreg float0 0 :float)
(defreg float14 14 :float)
(defreg float15 15 :float)
(defregset *float-regs* float0 float1 float2 float3 float4 float5 float6 float7
- float8 float9 float10 float11 float12 float13 float14 float15)
+ float8 float9 float10 float11 float12 float13 float14 float15)
;; registers used to pass arguments
;;
(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 5))
(!define-storage-classes
;;
;; 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
;; XXX alpha backend has :element-size 2 :alignment 2 in these entries
- (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
+ (signed-stack stack) ; (signed-byte 64)
+ (unsigned-stack stack) ; (unsigned-byte 64)
+ (character-stack stack) ; non-descriptor characters.
+ (sap-stack stack) ; System area pointers.
+ (single-stack stack) ; single-floats
(double-stack stack)
- (complex-single-stack stack :element-size 2) ; complex-single-floats
- (complex-double-stack stack :element-size 2) ; complex-double-floats
+ (complex-single-stack stack :element-size 2) ; complex-single-floats
+ (complex-double-stack stack :element-size 2) ; complex-double-floats
;;
;; 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 #.*qword-regs*
- :element-size 2 ; I think this is for the al/ah overlap thing
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (control-stack))
+ :locations #.*qword-regs*
+ :element-size 2 ; I think this is for the al/ah overlap thing
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (control-stack))
;; pointer descriptor objects -- must be seen by GC
(descriptor-reg registers
- :locations #.*qword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (constant immediate)
- :save-p t
- :alternate-scs (control-stack))
+ :locations #.*qword-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 #!-sb-unicode #.*byte-regs*
- #!+sb-unicode #.*qword-regs*
- #!-sb-unicode #!-sb-unicode
- :reserve-locations (#.al-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (character-stack))
+ :locations #!-sb-unicode #.*byte-regs*
+ #!+sb-unicode #.*qword-regs*
+ #!+sb-unicode #!+sb-unicode
+ :element-size 2
+ #!-sb-unicode #!-sb-unicode
+ :reserve-locations (#.al-offset)
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (character-stack))
;; non-descriptor SAPs (arbitrary pointers into address space)
(sap-reg registers
- :locations #.*qword-regs*
- :element-size 2
-; :reserve-locations (#.eax-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (sap-stack))
+ :locations #.*qword-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 #.*qword-regs*
- :element-size 2
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (signed-stack))
+ :locations #.*qword-regs*
+ :element-size 2
+ :constant-scs (immediate)
+ :save-p t
+ :alternate-scs (signed-stack))
(unsigned-reg registers
- :locations #.*qword-regs*
- :element-size 2
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (unsigned-stack))
+ :locations #.*qword-regs*
+ :element-size 2
+ :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
- )
+ :locations #.*word-regs*
+ :element-size 2
+ )
(dword-reg registers
- :locations #.*dword-regs*
- :element-size 2
- )
+ :locations #.*dword-regs*
+ :element-size 2
+ )
(byte-reg registers
- :locations #.*byte-regs*
- )
+ :locations #.*byte-regs*
+ )
;; that can go in the floating point registers
;; non-descriptor SINGLE-FLOATs
(single-reg float-registers
- :locations #.(loop for i from 0 below 15 collect i)
- :constant-scs (fp-single-zero)
- :save-p t
- :alternate-scs (single-stack))
+ :locations #.(loop for i from 0 below 15 collect i)
+ :constant-scs (fp-single-zero)
+ :save-p t
+ :alternate-scs (single-stack))
;; non-descriptor DOUBLE-FLOATs
(double-reg float-registers
- :locations #.(loop for i from 0 below 15 collect i)
- :constant-scs (fp-double-zero)
- :save-p t
- :alternate-scs (double-stack))
+ :locations #.(loop for i from 0 below 15 collect i)
+ :constant-scs (fp-double-zero)
+ :save-p t
+ :alternate-scs (double-stack))
(complex-single-reg float-registers
- :locations #.(loop for i from 0 to 14 by 2 collect i)
- :element-size 2
- :constant-scs ()
- :save-p t
- :alternate-scs (complex-single-stack))
+ :locations #.(loop for i from 0 to 14 by 2 collect i)
+ :element-size 2
+ :constant-scs ()
+ :save-p t
+ :alternate-scs (complex-single-stack))
(complex-double-reg float-registers
- :locations #.(loop for i from 0 to 14 by 2 collect i)
- :element-size 2
- :constant-scs ()
- :save-p t
- :alternate-scs (complex-double-stack))
+ :locations #.(loop for i from 0 to 14 by 2 collect i)
+ :element-size 2
+ :constant-scs ()
+ :save-p t
+ :alternate-scs (complex-double-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*
+(defparameter *byte-sc-names*
'(#!-sb-unicode character-reg byte-reg #!-sb-unicode character-stack))
(defparameter *word-sc-names* '(word-reg))
(defparameter *dword-sc-names* '(dword-reg))
-(defparameter *qword-sc-names*
+(defparameter *qword-sc-names*
'(any-reg descriptor-reg sap-reg signed-reg unsigned-reg control-stack
- signed-stack unsigned-stack sap-stack single-stack
+ 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 rax rbx rcx rdx rbp rsp rdi rsi
- r8 r9 r10 r11 r12 r13 r14 r15)
+ r8 r9 r10 r11 r12 r13 r14 r15)
(def-misc-reg-tns dword-reg eax ebx ecx edx ebp esp edi esi)
(def-misc-reg-tns word-reg ax bx cx dx bp sp di si)
(def-misc-reg-tns byte-reg al cl dl bl sil dil r8b r9b r10b
- r11b r14b r15b)
- (def-misc-reg-tns single-reg
+ r11b r12b r13b r14b r15b)
+ (def-misc-reg-tns single-reg
float0 float1 float2 float3 float4 float5 float6 float7
float8 float9 float10 float11 float12 float13 float14 float15))
+;; A register that's never used by the code generator, and can therefore
+;; be used as an assembly temporary in cases where a VOP :TEMPORARY can't
+;; be used.
+(defparameter temp-reg-tn r11-tn)
+
;;; 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*))
+(defparameter thread-base-tn
+ (make-random-tn :kind :normal :sc (sc-or-lose 'unsigned-reg )
+ :offset r12-offset))
(defparameter fp-single-zero-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'single-reg)
- :offset 15))
+ :sc (sc-or-lose 'single-reg)
+ :offset 15))
(defparameter fp-double-zero-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'double-reg)
- :offset 15))
+ :sc (sc-or-lose 'double-reg)
+ :offset 15))
;;; 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)
(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
(if (eql value 0f0)
- (sc-number-or-lose 'fp-single-zero )
- nil))
+ (sc-number-or-lose 'fp-single-zero )
+ nil))
(double-float
(if (eql value 0d0)
- (sc-number-or-lose 'fp-double-zero )
- nil))))
+ (sc-number-or-lose 'fp-double-zero )
+ nil))))
\f
;;;; miscellaneous function call parameters
-;;; offsets of special stack frame locations
-(def!constant ocfp-save-offset 0)
-(def!constant return-pc-save-offset 1)
+;;; Offsets of special stack frame locations relative to RBP.
+;;;
+;;; Consider the standard prologue PUSH RBP; MOV RBP, RSP: the return
+;;; address is at RBP+8, the old control stack frame pointer is at
+;;; RBP, the magic 3rd slot is at RBP-8. Then come the locals from
+;;; RBP-16 on.
+(def!constant return-pc-save-offset 0)
+(def!constant ocfp-save-offset 1)
(def!constant code-save-offset 2)
+;;; 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))
(def!constant lra-save-offset return-pc-save-offset) ; ?
(!def-vm-support-routine 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*)
- ((member sc-name *qword-sc-names*)
- *qword-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*)
+ ((member sc-name *qword-sc-names*)
+ *qword-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 "FLOAT~D" offset))
(stack (format nil "S~D" offset))
(constant (format nil "Const~D" offset))
(defun dwords-for-quad (value)
(let* ((lo (logand value (1- (ash 1 32))))
- (hi (ash value -32)))
+ (hi (ash value -32)))
(values lo hi)))
(defun words-for-dword (value)
(let* ((lo (logand value (1- (ash 1 16))))
- (hi (ash value -16)))
+ (hi (ash value -16)))
(values lo hi)))
(def!constant cfp-offset rbp-offset) ; pfw - needed by stuff in /code
+(!def-vm-support-routine combination-implementation-style (node)
+ (declare (type sb!c::combination node) (ignore node))
+ (values :default nil))