1 ;;;; that part of the parms.lisp file from original CMU CL which is defined in
2 ;;;; terms of the BACKEND structure
4 ;;;; FIXME: When we break up the BACKEND structure, this might be mergeable
5 ;;;; back into the parms.lisp file.
7 ;;;; This software is part of the SBCL system. See the README file for
10 ;;;; This software is derived from the CMU CL system, which was
11 ;;;; written at Carnegie Mellon University and released into the
12 ;;;; public domain. The software is in the public domain and is
13 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
14 ;;;; files for more information.
18 ;;;; compiler constants
20 (setf *backend-fasl-file-type* "x86f")
21 (setf *backend-fasl-file-implementation* :x86)
22 (setf *backend-fasl-file-version* 5)
23 ;;; 2 = sbcl-0.6.4 uses COMPILE-OR-LOAD-DEFGENERIC.
24 ;;; 3 = sbcl-0.6.6 uses private symbol, not :EMPTY, for empty HASH-TABLE slot.
25 ;;; 4 = sbcl-0.6.7 uses HAIRY-DATA-VECTOR-REF and HAIRY-DATA-VECTOR-SET
26 ;;; when array headers or data element type uncertainty exist, and
27 ;;; uses DATA-VECTOR-REF and DATA-VECTOR-SET only for VOPs. (Thus,
28 ;;; full calls to DATA-VECTOR-REF and DATA-VECTOR-SET from older
29 ;;; fasl files would fail, because there are no DEFUNs for these
30 ;;; operations any more.)
31 ;;; 5 = sbcl-0.6.8 has rearranged static symbols.
33 (setf *backend-register-save-penalty* 3)
35 (setf *backend-byte-order* :little-endian)
37 (setf *backend-page-size* 4096)
38 ;;; comment from CMU CL:
40 ;;; in case we ever wanted to do this for Windows NT..
42 ;;; Windows NT uses a memory system granularity of 64K, which means
43 ;;; everything that gets mapped must be a multiple of that. The real
44 ;;; page size is 512, but that doesn't do us a whole lot of good.
45 ;;; Effectively, the page size is 64K.
47 ;;; would be: (setf *backend-page-size* 65536)