(defvar *backend-meta-sc-names* (make-hash-table :test 'eq))
(defvar *backend-meta-sb-names* (make-hash-table :test 'eq))
(declaim (type hash-table
- *backend-sc-names*
- *backend-sb-names*
- *backend-meta-sc-names*
- *backend-meta-sb-names*))
+ *backend-sc-names*
+ *backend-sb-names*
+ *backend-meta-sc-names*
+ *backend-meta-sb-names*))
;;; like *SC-NUMBERS*, but updated at meta-compile time
(defvar *backend-t-primitive-type*)
(declaim (type primitive-type *backend-t-primitive-type*))
-;;; a hashtable translating from VOP names to the corresponding VOP-Parse
+;;; a hashtable translating from VOP names to the corresponding VOP-PARSE
;;; structures. This information is only used at meta-compile time.
(defvar *backend-parsed-vops* (make-hash-table :test 'eq))
(declaim (type hash-table *backend-parsed-vops*))
(defvar *backend-instruction-flavors* (make-hash-table :test 'equal))
(defvar *backend-special-arg-types* (make-hash-table :test 'eq))
(declaim (type hash-table
- *backend-instruction-formats*
- *backend-instruction-flavors*
- *backend-special-arg-types*))
+ *backend-instruction-formats*
+ *backend-instruction-flavors*
+ *backend-special-arg-types*))
;;; mappings between CTYPE structures and the corresponding predicate.
;;; The type->predicate mapping is implemented as an alist because
;;; they haven't been installed yet
(defvar *backend-internal-errors* nil)
(declaim (type (or simple-vector null) *backend-internal-errors*))
-
-;;; the maximum number of bytes per page on this system (used by GENESIS)
-(defvar *backend-page-size* 0)
-(declaim (type index *backend-page-size*))
\f
-;;;; VM support routines
-
-;;; FIXME: Do we need this kind of indirection for the VM support
-;;; routines any more?
-
-;;; forward declaration
-(defvar *backend-support-routines*)
-
-(macrolet ((def-vm-support-routines (&rest routines)
- `(progn
- (eval-when (:compile-toplevel :load-toplevel :execute)
- (defparameter *vm-support-routines* ',routines))
- (defstruct (vm-support-routines (:copier nil))
- ,@(mapcar (lambda (routine)
- `(,routine nil :type (or function null)))
- routines))
- ,@(mapcar
- (lambda (name)
- `(defun ,name (&rest args)
- (apply (or (,(symbolicate "VM-SUPPORT-ROUTINES-"
- name)
- *backend-support-routines*)
- (error "machine-specific support ~S ~
- routine undefined"
- ',name))
- args)))
- routines))))
-
- (def-vm-support-routines
-
- ;; from vm.lisp
- immediate-constant-sc
- location-print-name
-
- ;; from primtype.lisp
- primitive-type-of
- primitive-type
-
- ;; from c-call.lisp
- make-call-out-tns
-
- ;; from call.lisp
- standard-argument-location
- make-return-pc-passing-location
- make-old-fp-passing-location
- make-old-fp-save-location
- make-return-pc-save-location
- make-arg-count-location
- make-nfp-tn
- make-stack-pointer-tn
- make-number-stack-pointer-tn
- make-unknown-values-locations
- select-component-format
-
- ;; from nlx.lisp
- make-nlx-sp-tn
- make-dynamic-state-tns
- make-nlx-entry-argument-start-location
-
- ;; from support.lisp
- generate-call-sequence
- generate-return-sequence
-
- ;; for use with scheduler
- emit-nop
- location-number))
-
-(defprinter (vm-support-routines))
-
-(defmacro !def-vm-support-routine (name ll &body body)
- (unless (member (intern (string name) (find-package "SB!C"))
- *vm-support-routines*)
- (warn "unknown VM support routine: ~A" name))
- (let ((local-name (symbolicate "IMPL-OF-VM-SUPPORT-ROUTINE-" name)))
- `(progn
- (defun ,local-name ,ll ,@body)
- (setf (,(intern (concatenate 'simple-string
- "VM-SUPPORT-ROUTINES-"
- (string name))
- (find-package "SB!C"))
- *backend-support-routines*)
- #',local-name))))
-
-;;; the VM support routines
-(defvar *backend-support-routines* (make-vm-support-routines))
-(declaim (type vm-support-routines *backend-support-routines*))
+;;;; VM support routines which backends need to implement
+
+;;; from vm.lisp
+;;; immediate-constant-sc
+;;; location-print-name
+;;; combination-implementation-style
+;;; convert-conditional-move-p
+;;; boxed-immediate-sc-p
+
+;;; from primtype.lisp
+;;; primitive-type-of
+;;; primitive-type
+
+;;; from c-call.lisp
+;;; make-call-out-tns
+
+;;; from call.lisp
+;;; standard-arg-location
+;;; make-return-pc-passing-location
+;;; make-old-fp-passing-location
+;;; make-old-fp-save-location
+;;; make-return-pc-save-location
+;;; make-arg-count-location
+;;; make-nfp-tn
+;;; make-stack-pointer-tn
+;;; make-number-stack-pointer-tn
+;;; make-unknown-values-locations
+;;; select-component-format
+
+;;; from nlx.lisp
+;;; make-nlx-sp-tn
+;;; make-dynamic-state-tns
+;;; make-nlx-entry-arg-start-location
+
+;;; from pred.lisp
+;;; convert-conditional-move-p
+
+;;; from support.lisp
+;;; generate-call-sequence
+;;; generate-return-sequence
+
+;;; for use with scheduler
+;;; emit-nop
+;;; location-number
+
\f
;;;; This is a prototype interface to support Christophe Rhodes' new
;;;; (sbcl-0.pre7.57) VOP :GUARD clauses for implementations which
(NOT (BACKEND-FEATUREP :SPARC-64)))))
...)
-and at the IR2 translation stage, the function #'`(LAMBDA () ,GUARD) would be called.
+and at the IR2 translation stage, the function #'`(LAMBDA () ,GUARD) would be called.
-Until SBCL-0.7pre57, this is translated as
+Until SBCL-0.7pre57, this is translated as
(:GUARD #!+(OR :SPARC-V8 (AND :SPARC-V9 (NOT :SPARC-64))) T
#!-(OR :SPARC-V8 (AND :SPARC-V9 (NOT :SPARC-64))) NIL)
which means that whether this VOP will ever be used is determined at
conditionalization.
|#
-;;; The default value of NIL means use only unguarded VOPs.
-(defvar *backend-subfeatures* nil)
+;;; The default value of NIL means use only unguarded VOPs. The
+;;; initial value is customizeable via
+;;; customize-backend-subfeatures.lisp
+(defvar *backend-subfeatures*
+ '#.(sort (copy-list sb-cold:*shebang-backend-subfeatures*) #'string<))
;;; possible *BACKEND-SUBFEATURES* values:
;;;
projects / sbcl.git / blobdiff