#| -*-Scheme-*-
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/i386/rulfix.scm,v 1.12 1992/02/08 17:45:37 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/i386/rulfix.scm,v 1.13 1992/02/08 18:16:00 jinx Exp $
$MC68020-Header: /scheme/src/compiler/machines/bobcat/RCS/rules1.scm,v 4.36 1991/10/25 06:49:58 cph Exp $
Copyright (c) 1992 Massachusetts Institute of Technology
(LAP (XOR W ,target ,target))
(LAP (MOV W ,target (& ,(* constant fixnum-1))))))
-(define-integrable (fits-in-signed-byte? value)
- (and (>= value -128) (< value 128)))
-
(define (add-fixnum-constant target constant overflow?)
(let ((value (* constant fixnum-1)))
(cond ((and (zero? value) (not overflow?))