;;;; files for more information.
(in-package "SB!C")
-
-(file-comment
- "$Header$")
\f
;;;; utilities used during code generation
+;;; the number of bytes used by the code object header
(defun component-header-length (&optional
- (component *component-being-compiled*))
- #!+sb-doc
- "Returns the number of bytes used by the code object header."
+ (component *component-being-compiled*))
(let* ((2comp (component-info component))
- (constants (ir2-component-constants 2comp))
- (num-consts (length constants)))
+ (constants (ir2-component-constants 2comp))
+ (num-consts (length constants)))
(ash (logandc2 (1+ num-consts) 1) sb!vm:word-shift)))
+;;; the size of the NAME'd SB in the currently compiled component.
+;;; This is useful mainly for finding the size for allocating stack
+;;; frames.
(defun sb-allocated-size (name)
- #!+sb-doc
- "The size of the Name'd SB in the currently compiled component. Useful
- mainly for finding the size for allocating stack frames."
(finite-sb-current-size (sb-or-lose name)))
+;;; the TN that is used to hold the number stack frame-pointer in
+;;; VOP's function, or NIL if no number stack frame was allocated
(defun current-nfp-tn (vop)
- #!+sb-doc
- "Return the TN that is used to hold the number stack frame-pointer in VOP's
- function. Returns NIL if no number stack frame was allocated."
(unless (zerop (sb-allocated-size 'non-descriptor-stack))
(let ((block (ir2-block-block (vop-block vop))))
- (when (ir2-environment-number-stack-p
- (environment-info
- (block-environment block)))
+ (when (ir2-physenv-number-stack-p
+ (physenv-info
+ (block-physenv block)))
(ir2-component-nfp (component-info (block-component block)))))))
+;;; the TN that is used to hold the number stack frame-pointer in the
+;;; function designated by 2ENV, or NIL if no number stack frame was
+;;; allocated
(defun callee-nfp-tn (2env)
- #!+sb-doc
- "Return the TN that is used to hold the number stack frame-pointer in the
- function designated by 2env. Returns NIL if no number stack frame was
- allocated."
(unless (zerop (sb-allocated-size 'non-descriptor-stack))
- (when (ir2-environment-number-stack-p 2env)
+ (when (ir2-physenv-number-stack-p 2env)
(ir2-component-nfp (component-info *component-being-compiled*)))))
+;;; the TN used for passing the return PC in a local call to the function
+;;; designated by 2ENV
(defun callee-return-pc-tn (2env)
- #!+sb-doc
- "Return the TN used for passing the return PC in a local call to the function
- designated by 2env."
- (ir2-environment-return-pc-pass 2env))
+ (ir2-physenv-return-pc-pass 2env))
\f
;;;; specials used during code generation
(defvar *prev-segment*)
(defvar *prev-vop*)
-#!+sb-show
(defun trace-instruction (segment vop inst args)
(let ((*standard-output* *compiler-trace-output*))
(unless (eq *prev-segment* segment)
(setf *prev-segment* segment))
(unless (eq *prev-vop* vop)
(when vop
- (format t "~%VOP ")
- (if (vop-p vop)
- (print-vop vop)
- (format *compiler-trace-output* "~S~%" vop)))
+ (format t "~%VOP ")
+ (if (vop-p vop)
+ (print-vop vop)
+ (format *compiler-trace-output* "~S~%" vop)))
(terpri)
(setf *prev-vop* vop))
(case inst
;;; standard defaults for slots of SEGMENT objects
(defun default-segment-run-scheduler ()
(and *assembly-optimize*
- (policy (lambda-bind
- (block-home-lambda
- (block-next (component-head *component-being-compiled*))))
- (or (> speed cspeed) (> space cspeed)))))
+ (policy (lambda-bind
+ (block-home-lambda
+ (block-next (component-head *component-being-compiled*))))
+ (or (> speed compilation-speed) (> space compilation-speed)))))
(defun default-segment-inst-hook ()
- #!+sb-show
- (and *compiler-trace-output* #'trace-instruction))
+ (and *compiler-trace-output*
+ #'trace-instruction))
(defun init-assembler ()
(setf *code-segment*
- (sb!assem:make-segment :name "regular"
- :run-scheduler (default-segment-run-scheduler)
- :inst-hook (default-segment-inst-hook)))
+ (sb!assem:make-segment :name "regular"
+ :run-scheduler (default-segment-run-scheduler)
+ :inst-hook (default-segment-inst-hook)))
#!+sb-dyncount
(setf (sb!assem:segment-collect-dynamic-statistics *code-segment*)
- *collect-dynamic-statistics*)
+ *collect-dynamic-statistics*)
(setf *elsewhere*
- (sb!assem:make-segment :name "elsewhere"
- :run-scheduler (default-segment-run-scheduler)
- :inst-hook (default-segment-inst-hook)))
+ (sb!assem:make-segment :name "elsewhere"
+ :run-scheduler (default-segment-run-scheduler)
+ :inst-hook (default-segment-inst-hook)))
(values))
(defun generate-code (component)
- #!+sb-show
(when *compiler-trace-output*
(format *compiler-trace-output*
- "~|~%assembly code for ~S~2%"
- component))
+ "~|~%assembly code for ~S~2%"
+ component))
(let ((prev-env nil)
- (*trace-table-info* nil)
- (*prev-segment* nil)
- (*prev-vop* nil)
- (*fixups* nil))
+ (*trace-table-info* nil)
+ (*prev-segment* nil)
+ (*prev-vop* nil)
+ (*fixup-notes* nil))
(let ((label (sb!assem:gen-label)))
(setf *elsewhere-label* label)
(sb!assem:assemble (*elsewhere*)
- (sb!assem:emit-label label)))
+ (sb!assem:emit-label label)))
(do-ir2-blocks (block component)
(let ((1block (ir2-block-block block)))
- (when (and (eq (block-info 1block) block)
- (block-start 1block))
- (sb!assem:assemble (*code-segment*)
- (sb!assem:emit-label (block-label 1block)))
- (let ((env (block-environment 1block)))
- (unless (eq env prev-env)
- (let ((lab (gen-label)))
- (setf (ir2-environment-elsewhere-start (environment-info env))
- lab)
- (emit-label-elsewhere lab))
- (setq prev-env env)))))
+ (when (and (eq (block-info 1block) block)
+ (block-start 1block))
+ (sb!assem:assemble (*code-segment*)
+ (sb!assem:emit-label (block-label 1block)))
+ (let ((env (block-physenv 1block)))
+ (unless (eq env prev-env)
+ (let ((lab (gen-label)))
+ (setf (ir2-physenv-elsewhere-start (physenv-info env))
+ lab)
+ (emit-label-elsewhere lab))
+ (setq prev-env env)))))
(do ((vop (ir2-block-start-vop block) (vop-next vop)))
- ((null vop))
- (let ((gen (vop-info-generator-function (vop-info vop))))
- (if gen
- (funcall gen vop)
- (format t
- "missing generator for ~S~%"
- (template-name (vop-info vop)))))))
+ ((null vop))
+ (let ((gen (vop-info-generator-function (vop-info vop))))
+ (if gen
+ (funcall gen vop)
+ (format t
+ "missing generator for ~S~%"
+ (template-name (vop-info vop)))))))
(sb!assem:append-segment *code-segment* *elsewhere*)
(setf *elsewhere* nil)
(values (sb!assem:finalize-segment *code-segment*)
- (nreverse *trace-table-info*)
- *fixups*)))
+ (nreverse *trace-table-info*)
+ *fixup-notes*)))
(defun emit-label-elsewhere (label)
(sb!assem:assemble (*elsewhere*)
(defun label-elsewhere-p (label-or-posn)
(<= (label-position *elsewhere-label*)
(etypecase label-or-posn
- (label
- (label-position label-or-posn))
- (index
- label-or-posn))))
+ (label
+ (label-position label-or-posn))
+ (index
+ label-or-posn))))
projects / sbcl.git / blobdiff