;;;; register specs
(eval-when (:compile-toplevel :load-toplevel :execute)
- (defvar *byte-register-names* (make-array 8 :initial-element nil))
- (defvar *word-register-names* (make-array 16 :initial-element nil))
- (defvar *dword-register-names* (make-array 16 :initial-element nil))
+ (defvar *byte-register-names* (make-array 32 :initial-element nil))
+ (defvar *word-register-names* (make-array 32 :initial-element nil))
+ (defvar *dword-register-names* (make-array 32 :initial-element nil))
(defvar *qword-register-names* (make-array 32 :initial-element nil))
- (defvar *float-register-names* (make-array 8 :initial-element nil)))
+ (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
;;
;; Note: the encoding here is different than that used by the chip.
;; We use this encoding so that the compiler thinks that AX (and
;; EAX) overlap AL and AH instead of AL and CL.
- (defreg al 0 :byte)
- (defreg ah 1 :byte)
- (defreg cl 2 :byte)
- (defreg ch 3 :byte)
- (defreg dl 4 :byte)
- (defreg dh 5 :byte)
- (defreg bl 6 :byte)
- (defreg bh 7 :byte)
- (defregset *byte-regs* al ah cl ch dl dh bl bh)
+ ;;
+ ;; High-byte are registers disabled on AMD64, since they can't be
+ ;; encoded for an op that has a REX-prefix and we don't want to
+ ;; add special cases into the code generation. The overlap doesn't
+ ;; therefore exist anymore, but the numbering hasn't been changed
+ ;; to reflect this.
+ (defreg al 0 :byte)
+ (defreg cl 2 :byte)
+ (defreg dl 4 :byte)
+ (defreg bl 6 :byte)
+ (defreg sil 12 :byte)
+ (defreg dil 14 :byte)
+ (defreg r8b 16 :byte)
+ (defreg r9b 18 :byte)
+ (defreg r10b 20 :byte)
+ (defreg r11b 22 :byte)
+ (defreg r12b 24 :byte)
+ (defreg r13b 26 :byte)
+ (defreg r14b 28 :byte)
+ (defreg r15b 30 :byte)
+ (defregset *byte-regs*
+ al cl dl bl sil dil r8b r9b r10b
+ #+nil r11b #+nil r12b r13b r14b r15b)
;; word registers
(defreg ax 0 :word)
(defreg bp 10 :word)
(defreg si 12 :word)
(defreg di 14 :word)
- (defregset *word-regs* ax cx dx bx si di)
+ (defreg r8w 16 :word)
+ (defreg r9w 18 :word)
+ (defreg r10w 20 :word)
+ (defreg r11w 22 :word)
+ (defreg r12w 24 :word)
+ (defreg r13w 26 :word)
+ (defreg r14w 28 :word)
+ (defreg r15w 30 :word)
+ (defregset *word-regs* ax cx dx bx si di r8w r9w r10w
+ #+nil r11w #+nil r12w r13w r14w r15w)
;; double word registers
(defreg eax 0 :dword)
(defreg ebp 10 :dword)
(defreg esi 12 :dword)
(defreg edi 14 :dword)
- (defregset *dword-regs* eax ecx edx ebx esi edi)
+ (defreg r8d 16 :dword)
+ (defreg r9d 18 :dword)
+ (defreg r10d 20 :dword)
+ (defreg r11d 22 :dword)
+ (defreg r12d 24 :dword)
+ (defreg r13d 26 :dword)
+ (defreg r14d 28 :dword)
+ (defreg r15d 30 :dword)
+ (defregset *dword-regs* eax ecx edx ebx esi edi r8d r9d r10d
+ #+nil r11d #+nil r12w r13d r14d r15d)
;; quadword registers
(defreg rax 0 :qword)
(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 fr0 0 :float)
- (defreg fr1 1 :float)
- (defreg fr2 2 :float)
- (defreg fr3 3 :float)
- (defreg fr4 4 :float)
- (defreg fr5 5 :float)
- (defreg fr6 6 :float)
- (defreg fr7 7 :float)
- (defregset *float-regs* fr0 fr1 fr2 fr3 fr4 fr5 fr6 fr7)
+ (defreg float0 0 :float)
+ (defreg float1 1 :float)
+ (defreg float2 2 :float)
+ (defreg float3 3 :float)
+ (defreg float4 4 :float)
+ (defreg float5 5 :float)
+ (defreg float6 6 :float)
+ (defreg float7 7 :float)
+ (defreg float8 8 :float)
+ (defreg float9 9 :float)
+ (defreg float10 10 :float)
+ (defreg float11 11 :float)
+ (defreg float12 12 :float)
+ (defreg float13 13 :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)
;; registers used to pass arguments
;;
;; names and offsets for registers used to pass arguments
(eval-when (:compile-toplevel :load-toplevel :execute)
(defparameter *register-arg-names* '(rdx rdi rsi)))
- (defregset *register-arg-offsets* rdx rdi rsi))
+ (defregset *register-arg-offsets* rdx rdi rsi)
+ #!-win32
+ (defregset *c-call-register-arg-offsets* rdi rsi rdx rcx r8 r9)
+ #!+win32
+ (defregset *c-call-register-arg-offsets* rcx rdx r8 r9))
\f
;;;; SB definitions
;;; words in a dword register.
(define-storage-base registers :finite :size 32)
-;;; I suspect we should do fp with SSE instead of the old x86 stuff,
-;;; but for the time being -
-(define-storage-base float-registers :finite :size 8)
+(define-storage-base float-registers :finite :size 16)
-(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 5))
(!define-storage-classes
;; non-immediate constants in the constant pool
(constant constant)
- ;; some FP constants can be generated in the i387 silicon
- (fp-constant immediate-constant)
+ (fp-single-zero immediate-constant)
+ (fp-double-zero immediate-constant)
+ (fp-complex-single-zero immediate-constant)
+ (fp-complex-double-zero immediate-constant)
+
+ (fp-single-immediate immediate-constant)
+ (fp-double-immediate immediate-constant)
+ (fp-complex-single-immediate immediate-constant)
+ (fp-complex-double-immediate immediate-constant)
+
+ #!+sb-simd-pack (int-sse-immediate immediate-constant)
+ #!+sb-simd-pack (double-sse-immediate immediate-constant)
+ #!+sb-simd-pack (single-sse-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
;; XXX alpha backend has :element-size 2 :alignment 2 in these entries
- (signed-stack stack) ; (signed-byte 32)
- (unsigned-stack stack) ; (unsigned-byte 32)
- (base-char-stack stack) ; non-descriptor characters.
- (sap-stack stack) ; System area pointers.
- (single-stack stack) ; single-floats
- (double-stack stack :element-size 2) ; double-floats.
- (complex-single-stack stack :element-size 2) ; complex-single-floats
- (complex-double-stack stack :element-size 4) ; complex-double-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) ; complex-single-floats
+ (complex-double-stack stack :element-size 2) ; complex-double-floats
+ #!+sb-simd-pack
+ (int-sse-stack stack :element-size 2)
+ #!+sb-simd-pack
+ (double-sse-stack stack :element-size 2)
+ #!+sb-simd-pack
+ (single-sse-stack stack :element-size 2)
;;
;; 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 #.*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
- (base-char-reg registers
- :locations #.*byte-regs*
- :reserve-locations (#.ah-offset #.al-offset)
- :constant-scs (immediate)
- :save-p t
- :alternate-scs (base-char-stack))
+ (character-reg registers
+ :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 (0 1 2 3 4 5 6 7)
- :constant-scs (fp-constant)
- :save-p t
- :alternate-scs (single-stack))
+ :locations #.*float-regs*
+ :constant-scs (fp-single-zero 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 #.*float-regs*
+ :constant-scs (fp-double-zero fp-double-immediate)
+ :save-p t
+ :alternate-scs (double-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 #.*float-regs*
+ :constant-scs (fp-complex-single-zero fp-complex-single-immediate)
+ :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 #.*float-regs*
+ :constant-scs (fp-complex-double-zero fp-complex-double-immediate)
+ :save-p t
+ :alternate-scs (complex-double-stack))
+
+ ;; temporary only
+ #!+sb-simd-pack
+ (sse-reg float-registers
+ :locations #.*float-regs*)
+ ;; regular values
+ #!+sb-simd-pack
+ (int-sse-reg float-registers
+ :locations #.*float-regs*
+ :constant-scs (int-sse-immediate)
+ :save-p t
+ :alternate-scs (int-sse-stack))
+ #!+sb-simd-pack
+ (double-sse-reg float-registers
+ :locations #.*float-regs*
+ :constant-scs (double-sse-immediate)
+ :save-p t
+ :alternate-scs (double-sse-stack))
+ #!+sb-simd-pack
+ (single-sse-reg float-registers
+ :locations #.*float-regs*
+ :constant-scs (single-sse-immediate)
+ :save-p t
+ :alternate-scs (single-sse-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* '(base-char-reg byte-reg base-char-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* '(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 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...
;;;
;;; These are used to (at least) determine operand size.
(defparameter *float-sc-names* '(single-reg))
(defparameter *double-sc-names* '(double-reg double-stack))
+(defparameter *complex-sc-names* '(complex-single-reg complex-single-stack
+ complex-double-reg complex-double-stack))
+#!+sb-simd-pack
+(defparameter *oword-sc-names* '(sse-reg int-sse-reg single-sse-reg double-sse-reg
+ sse-stack int-sse-stack single-sse-stack double-sse-stack))
) ; EVAL-WHEN
\f
;;;; 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)
- (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 ah bl bh cl ch dl dh)
- (def-misc-reg-tns single-reg fr0 fr1 fr2 fr3 fr4 fr5 fr6 fr7))
+ r8 r9 r10 r11 r12 r13 r14 r15)
+ (def-misc-reg-tns dword-reg eax ebx ecx edx ebp esp edi esi
+ r8d r9d r10d r11d r12d r13d r14d r15d)
+ (def-misc-reg-tns word-reg ax bx cx dx bp sp di si
+ r8w r9w r10w r11w r12w r13w r14w r15w)
+ (def-misc-reg-tns byte-reg al cl dl bl sil dil r8b r9b r10b
+ 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))
+
+(defun reg-in-size (tn size)
+ (make-random-tn :kind :normal
+ :sc (sc-or-lose
+ (ecase size
+ (:byte 'byte-reg)
+ (:word 'word-reg)
+ (:dword 'dword-reg)
+ (:qword 'unsigned-reg)))
+ :offset (tn-offset tn)))
+
+;; 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))
-;;; 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.
-|#
-\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)))
+ (sc-number-or-lose
+ (if (eql value 0f0) 'fp-single-zero 'fp-single-immediate)))
(double-float
- (when (or (eql value 0d0) (eql value 1d0))
- (sc-number-or-lose 'fp-constant)))
- #!+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)))))
+ (sc-number-or-lose
+ (if (eql value 0d0) 'fp-double-zero 'fp-double-immediate)))
+ ((complex single-float)
+ (sc-number-or-lose
+ (if (eql value #c(0f0 0f0))
+ 'fp-complex-single-zero
+ 'fp-complex-single-immediate)))
+ ((complex double-float)
+ (sc-number-or-lose
+ (if (eql value #c(0d0 0d0))
+ 'fp-complex-double-zero
+ 'fp-complex-double-immediate)))
+ #!+sb-simd-pack
+ (#+sb-xc-host nil
+ #-sb-xc-host (simd-pack double-float)
+ (sc-number-or-lose 'double-sse-immediate))
+ #!+sb-simd-pack
+ (#+sb-xc-host nil
+ #-sb-xc-host (simd-pack single-float)
+ (sc-number-or-lose 'single-sse-immediate))
+ #!+sb-simd-pack
+ (#+sb-xc-host nil
+ #-sb-xc-host simd-pack
+ (sc-number-or-lose 'int-sse-immediate))))
+
+(defun boxed-immediate-sc-p (sc)
+ (eql sc (sc-number-or-lose 'immediate)))
\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)
-;;; 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
-;;; them or flagging them with KLUDGE might be better than nothing.
-;;;
-;;; names of these things seem to have changed. these aliases by jrd
-(def!constant lra-save-offset return-pc-save-offset)
+(declaim (inline frame-word-offset))
+(defun frame-word-offset (index)
+ (- (1- index)))
-#+nil
-(def!constant cfp-offset ebp-offset) ; pfw - needed by stuff in /code
- ; related to signal context stuff
+(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) ; ?
;;; This is used by the debugger.
-(def!constant single-value-return-byte-offset 2)
+(def!constant single-value-return-byte-offset 3)
\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*)
- ((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 "FR~D" offset))
+ (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))
(immediate-constant "Immed")
(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 simple-base-string name))
- ;; OpenBSD is non-ELF, and needs a _ prefix
- #!+openbsd (concatenate 'string "_" name)
- ;; The other (ELF) ports currently don't need any prefix
- #!-openbsd name)
-
(defun dwords-for-quad (value)
(let* ((lo (logand value (1- (ash 1 32))))
- (hi (ash (- value lo) -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)))
(values lo hi)))
+
+(def!constant cfp-offset rbp-offset) ; pfw - needed by stuff in /code
+
+(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
+ ((or (valid-funtype '(fixnum fixnum) '*)
+ ;; todo: nothing prevents this from testing an unsigned word against
+ ;; a signed word, except for the mess of VOPs it would demand
+ (valid-funtype '((signed-byte 64) (signed-byte 64)) '*)
+ (valid-funtype '((unsigned-byte 64) (unsigned-byte 64)) '*))
+ (values :maybe nil))
+ (t
+ (values :default nil))))
+ (logbitp
+ (cond
+ ((or (and (valid-funtype '#.`((integer 0 ,(- 63 n-fixnum-tag-bits))
+ fixnum) '*)
+ (sb!c::constant-lvar-p
+ (first (sb!c::basic-combination-args node))))
+ (valid-funtype '((integer 0 63) (signed-byte 64)) '*)
+ (valid-funtype '((integer 0 63) (unsigned-byte 64)) '*))
+ (values :transform '(lambda (index integer)
+ (%logbitp integer index))))
+ (t
+ (values :default nil))))
+ (t
+ (values :default nil)))))
projects / sbcl.git / blobdiff