--- /dev/null
+#| -*-Scheme-*-
+
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/i386/inerly.scm,v 1.1 1992/02/13 02:57:04 jinx Exp $
+$MC68020-Header: inerly.scm,v 1.6 88/08/31 06:00:59 GMT cph Exp $
+
+Copyright (c) 1992 Massachusetts Institute of Technology
+
+This material was developed by the Scheme project at the Massachusetts
+Institute of Technology, Department of Electrical Engineering and
+Computer Science. Permission to copy this software, to redistribute
+it, and to use it for any purpose is granted, subject to the following
+restrictions and understandings.
+
+1. Any copy made of this software must include this copyright notice
+in full.
+
+2. Users of this software agree to make their best efforts (a) to
+return to the MIT Scheme project any improvements or extensions that
+they make, so that these may be included in future releases; and (b)
+to inform MIT of noteworthy uses of this software.
+
+3. All materials developed as a consequence of the use of this
+software shall duly acknowledge such use, in accordance with the usual
+standards of acknowledging credit in academic research.
+
+4. MIT has made no warrantee or representation that the operation of
+this software will be error-free, and MIT is under no obligation to
+provide any services, by way of maintenance, update, or otherwise.
+
+5. In conjunction with products arising from the use of this material,
+there shall be no use of the name of the Massachusetts Institute of
+Technology nor of any adaptation thereof in any advertising,
+promotional, or sales literature without prior written consent from
+MIT in each case. |#
+
+;;; i386 Instruction Set Macros. Early version
+;;; NOPs for now.
+
+(declare (usual-integrations))
+\f
+;;;; Transformers and utilities
+
+(define early-instructions '())
+(define early-transformers '())
+
+(define (define-early-transformer name transformer)
+ (set! early-transformers
+ (cons (cons name transformer)
+ early-transformers)))
+
+(define (eq-subset? s1 s2)
+ (or (null? s1)
+ (and (memq (car s1) s2)
+ (eq-subset? (cdr s1) s2))))
+
+;;; Instruction and addressing mode macros
+
+(syntax-table-define early-syntax-table 'DEFINE-INSTRUCTION
+ (macro (opcode . patterns)
+ `(SET! EARLY-INSTRUCTIONS
+ (CONS
+ (LIST ',opcode
+ ,@(map (lambda (pattern)
+ `(early-parse-rule
+ ',(car pattern)
+ (lambda (pat vars)
+ (early-make-rule
+ pat
+ vars
+ (scode-quote
+ (instruction->instruction-sequence
+ ,(parse-instruction (cadr pattern)
+ (cddr pattern)
+ true)))))))
+ patterns))
+ EARLY-INSTRUCTIONS))))
\ No newline at end of file
--- /dev/null
+#| -*-Scheme-*-
+
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/i386/lapopt.scm,v 1.1 1992/02/13 03:05:14 jinx Exp $
+
+Copyright (c) 1992 Massachusetts Institute of Technology
+
+This material was developed by the Scheme project at the Massachusetts
+Institute of Technology, Department of Electrical Engineering and
+Computer Science. Permission to copy this software, to redistribute
+it, and to use it for any purpose is granted, subject to the following
+restrictions and understandings.
+
+1. Any copy made of this software must include this copyright notice
+in full.
+
+2. Users of this software agree to make their best efforts (a) to
+return to the MIT Scheme project any improvements or extensions that
+they make, so that these may be included in future releases; and (b)
+to inform MIT of noteworthy uses of this software.
+
+3. All materials developed as a consequence of the use of this
+software shall duly acknowledge such use, in accordance with the usual
+standards of acknowledging credit in academic research.
+
+4. MIT has made no warrantee or representation that the operation of
+this software will be error-free, and MIT is under no obligation to
+provide any services, by way of maintenance, update, or otherwise.
+
+5. In conjunction with products arising from the use of this material,
+there shall be no use of the name of the Massachusetts Institute of
+Technology nor of any adaptation thereof in any advertising,
+promotional, or sales literature without prior written consent from
+MIT in each case. |#
+
+;;;; LAP Optimizer for Intel i386.
+
+(declare (usual-integrations))
+
+(define (optimize-linear-lap instructions)
+ instructions)
\ No newline at end of file
--- /dev/null
+#| -*-Scheme-*-
+
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/i386/rgspcm.scm,v 1.1 1992/02/13 03:01:18 jinx Exp $
+$MC68020-Header: rgspcm.scm,v 4.1 87/12/30 07:05:38 GMT cph Exp $
+
+Copyright (c) 1992 Massachusetts Institute of Technology
+
+This material was developed by the Scheme project at the Massachusetts
+Institute of Technology, Department of Electrical Engineering and
+Computer Science. Permission to copy this software, to redistribute
+it, and to use it for any purpose is granted, subject to the following
+restrictions and understandings.
+
+1. Any copy made of this software must include this copyright notice
+in full.
+
+2. Users of this software agree to make their best efforts (a) to
+return to the MIT Scheme project any improvements or extensions that
+they make, so that these may be included in future releases; and (b)
+to inform MIT of noteworthy uses of this software.
+
+3. All materials developed as a consequence of the use of this
+software shall duly acknowledge such use, in accordance with the usual
+standards of acknowledging credit in academic research.
+
+4. MIT has made no warrantee or representation that the operation of
+this software will be error-free, and MIT is under no obligation to
+provide any services, by way of maintenance, update, or otherwise.
+
+5. In conjunction with products arising from the use of this material,
+there shall be no use of the name of the Massachusetts Institute of
+Technology nor of any adaptation thereof in any advertising,
+promotional, or sales literature without prior written consent from
+MIT in each case. |#
+
+;;;; RTL Generation: Special primitive combinations. Intel i386 version.
+;;; package: (compiler rtl-generator)
+
+(declare (usual-integrations))
+\f
+(define (define-special-primitive-handler name handler)
+ (let ((primitive (make-primitive-procedure name true)))
+ (let ((entry (assq primitive special-primitive-handlers)))
+ (if entry
+ (set-cdr! entry handler)
+ (set! special-primitive-handlers
+ (cons (cons primitive handler)
+ special-primitive-handlers)))))
+ name)
+
+(define (special-primitive-handler primitive)
+ (let ((entry (assq primitive special-primitive-handlers)))
+ (and entry
+ (cdr entry))))
+
+(define special-primitive-handlers
+ '())
+
+(define (define-special-primitive/standard primitive)
+ (define-special-primitive-handler primitive
+ rtl:make-invocation:special-primitive))
+
+(define-special-primitive/standard '&+)
+(define-special-primitive/standard '&-)
+(define-special-primitive/standard '&*)
+(define-special-primitive/standard '&/)
+(define-special-primitive/standard '&=)
+(define-special-primitive/standard '&<)
+(define-special-primitive/standard '&>)
+(define-special-primitive/standard '1+)
+(define-special-primitive/standard '-1+)
+(define-special-primitive/standard 'zero?)
+(define-special-primitive/standard 'positive?)
+(define-special-primitive/standard 'negative?)
+(define-special-primitive/standard 'quotient)
+(define-special-primitive/standard 'remainder)
\ No newline at end of file