diff --git a/assembly/x86/alloc.lisp b/assembly/x86/alloc.lisp index e9473345074b979d081cc296a752681a8a035a15..4a9b13ad0125164a969b1f38300a8b1b5ebfefbf 100644 --- a/assembly/x86/alloc.lisp +++ b/assembly/x86/alloc.lisp @@ -7,7 +7,7 @@ ;;; Scott Fahlman or slisp-group@cs.cmu.edu. ;;; (ext:file-comment - "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/assembly/x86/alloc.lisp,v 1.1 1997/01/21 00:30:28 ram Exp $") + "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/assembly/x86/alloc.lisp,v 1.2 1997/02/10 16:59:54 dtc Exp $") ;;; ;;; ********************************************************************** ;;; @@ -56,6 +56,12 @@ (inst ret) BIGNUM + ;;; Note: On the mips port space for a two word bignum is always + ;;; allocated and the header size is set to either one or two words + ;;; as appropriate. On the mips port this is faster, and smaller + ;;; inline, but produces more garbage. The inline x86 version uses + ;;; the same approach, but here we save garbage and allocate the + ;;; smallest possible bignum. (inst jmp :ns one-word-bignum) (inst mov ebx eax)