[movitz-cvs] CVS update: movitz/losp/muerte/inspect.lisp
Frode Vatvedt Fjeld
ffjeld at common-lisp.net
Sat Jul 17 19:32:17 UTC 2004
Update of /project/movitz/cvsroot/movitz/losp/muerte
In directory common-lisp.net:/tmp/cvs-serv6109
Modified Files:
inspect.lisp
Log Message:
Moved some operators to bignums.lisp.
Date: Sat Jul 17 12:32:16 2004
Author: ffjeld
Index: movitz/losp/muerte/inspect.lisp
diff -u movitz/losp/muerte/inspect.lisp:1.24 movitz/losp/muerte/inspect.lisp:1.25
--- movitz/losp/muerte/inspect.lisp:1.24 Fri Jul 16 18:52:29 2004
+++ movitz/losp/muerte/inspect.lisp Sat Jul 17 12:32:16 2004
@@ -10,7 +10,7 @@
;;;; Author: Frode Vatvedt Fjeld <frodef at acm.org>
;;;; Created at: Fri Oct 24 09:50:41 2003
;;;;
-;;;; $Id: inspect.lisp,v 1.24 2004/07/17 01:52:29 ffjeld Exp $
+;;;; $Id: inspect.lisp,v 1.25 2004/07/17 19:32:16 ffjeld Exp $
;;;;
;;;;------------------------------------------------------------------
@@ -258,74 +258,3 @@
#.(movitz::movitz-type-word-size :movitz-struct)
(* 2 (truncate (+ (structure-object-length object) 1) 2))))))))
-(defun %bignum-bigits (x)
- (%bignum-bigits x))
-
-(defun %bignum-canonicalize (x)
- "Assuming x is a bignum, return the canonical integer value. That is,
-either return a fixnum, or destructively modify the bignum's length so
-that the msb isn't zero. DO NOT APPLY TO NON-BIGNUM VALUES!"
- (check-type x bignum)
- (macrolet
- ((do-it ()
- `(with-inline-assembly (:returns :eax)
- (:load-lexical (:lexical-binding x) :eax)
- (:movl (:eax ,movitz:+other-type-offset+) :ecx)
- (:shrl 16 :ecx)
- (:jz '(:sub-program (should-never-happen)
- (:int 107)))
- shrink-loop
- (:cmpl 4 :ecx)
- (:je 'shrink-no-more)
- (:cmpl 0 (:eax :ecx ,(+ -4 (bt:slot-offset 'movitz:movitz-bignum 'movitz::bigit0))))
- (:jnz 'shrink-done)
- (:subl 4 :ecx)
- (:jmp 'shrink-loop)
- shrink-no-more
- (:cmpl ,(1+ movitz:+movitz-most-positive-fixnum+)
- (:eax ,(bt:slot-offset 'movitz:movitz-bignum 'movitz::bigit0)))
- (:jc '(:sub-program (fixnum-result)
- (:movl (:eax ,(bt:slot-offset 'movitz:movitz-bignum 'movitz::bigit0))
- :ecx)
- (:leal ((:ecx ,movitz:+movitz-fixnum-factor+)) :eax)
- (:jmp 'done)))
- shrink-done
- (:testb 3 :cl)
- (:jnz '(:sub-program () (:int 107)))
- (:testw :cx :cx)
- (:jz '(:sub-program () (:int 107)))
- (:movw :cx (:eax ,(bt:slot-offset 'movitz:movitz-bignum 'movitz::length)))
- done
- )))
- (do-it)))
-
-(defun copy-bignum (old)
- (check-type old bignum)
- (let* ((length (%bignum-bigits old))
- (new (malloc-non-pointer-words (1+ length))))
- (with-inline-assembly (:returns :eax)
- (:compile-two-forms (:eax :ebx) new old)
- (:compile-form (:result-mode :edx) length)
- copy-bignum-loop
- (:movl (:ebx :edx #.movitz:+other-type-offset+) :ecx)
- (:movl :ecx (:eax :edx #.movitz:+other-type-offset+))
- (:subl 4 :edx)
- (:jnc 'copy-bignum-loop))))
-
-(defun %make-bignum (bigits)
- (assert (plusp bigits))
- (macrolet
- ((do-it ()
- `(with-inline-assembly (:returns :eax)
- (:compile-two-forms (:eax :ecx) (malloc-non-pointer-words (1+ bigits)) bigits)
- (:shll 16 :ecx)
- (:orl ,(movitz:tag :bignum 0) :ecx)
- (:movl :ecx (:eax ,movitz:+other-type-offset+)))))
- (do-it)))
-
-(defun print-bignum (x)
- (check-type x bignum)
- (dotimes (i (1+ (%bignum-bigits x)))
- (format t "~8,'0X " (memref x -6 i :unsigned-byte32)))
- (terpri)
- (values))
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