From 182d9696b5778cce4dc494d3d4438c9d5ca7ce97 Mon Sep 17 00:00:00 2001 From: dtc <dtc> Date: Mon, 10 Feb 1997 16:59:54 +0000 Subject: [PATCH] Added explanatory note in move-from-unsigned. --- assembly/x86/alloc.lisp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/assembly/x86/alloc.lisp b/assembly/x86/alloc.lisp index e94733450..4a9b13ad0 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) -- GitLab