changeset: 5379:a32a108ae815 tag: tip user: Aidan Kehoe <kehoea(a)parhasard.net&gt; date: Mon Mar 21 12:19:25 2011 +0000 files: lisp/ChangeLog lisp/cl-macs.el description: #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000 2011-03-21 Aidan Kehoe <kehoea(a)parhasard.net&gt; * cl-macs.el (cl-non-fixnum-number-p): This should return t under 64-bit builds for fixnums that would be bignums on a 32-bit machine; make it so. diff -r 4f0a1f4cc111 -r a32a108ae815 lisp/ChangeLog --- a/lisp/ChangeLog Sat Mar 19 22:13:14 2011 +0900 +++ b/lisp/ChangeLog Mon Mar 21 12:19:25 2011 +0000 ＠＠ -1,3 +1,9 ＠＠ +2011-03-21 Aidan Kehoe <kehoea(a)parhasard.net&gt; + + * cl-macs.el (cl-non-fixnum-number-p): + This should return t under 64-bit builds for fixnums that would + be bignums on a 32-bit machine; make it so. + 2011-03-19 Stephen J. Turnbull <stephen(a)xemacs.org&gt; * faces.el (face-spec-set-match-display): diff -r 4f0a1f4cc111 -r a32a108ae815 lisp/cl-macs.el --- a/lisp/cl-macs.el Sat Mar 19 22:13:14 2011 +0900 +++ b/lisp/cl-macs.el Mon Mar 21 12:19:25 2011 +0000 ＠＠ -3230,13 +3230,25 ＠＠ argns argvs))) (if lets (list 'let lets body) body)))) +;; When a 64-bit build is byte-compiling code, some of its native fixnums +;; will not be represented as fixnums if the byte-compiled code is read by +;; the Lisp reader in a 32-bit build. So in that case we need to check the +;; range of fixnums as well as their types. XEmacs doesn't support machines +;; with word size less than 32, so it's OK to have that as the minimum. +(macrolet + ((most-negative-fixnum-on-32-bit-machines () (lognot (1- (lsh 1 30)))) + (most-positive-fixnum-on-32-bit-machines () (lsh 1 30))) + (defun cl-non-fixnum-number-p (object) + "Return t if OBJECT is a number not guaranteed to be immediate." + (and (numberp object) + (or (not (fixnump object)) + (not (<= (most-negative-fixnum-on-32-bit-machines) + object + (most-positive-fixnum-on-32-bit-machines))))))) ;;; Compile-time optimizations for some functions defined in this package. ;;; Note that cl.el arranges to force cl-macs to be loaded at compile-time, ;;; mainly to make sure these macros will be present. - -(defun cl-non-fixnum-number-p (object) - (and (numberp object) (not (fixnump object)))) (define-compiler-macro eql (&whole form a b) (cond ((eq (cl-const-expr-p a) t) _______________________________________________ XEmacs-Patches mailing list XEmacs-Patches(a)xemacs.org http://lists.xemacs.org/mailman/listinfo/xemacs-patches