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RTL language

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* module/Makefile.am
 * module/language/rtl.scm:
 * module/language/rtl/spec.scm: Add a stub RTL language.
This commit is contained in:
Andy Wingo 2013-08-11 14:06:15 +02:00
parent 4b8de65e9d
commit 43f768f48d
3 changed files with 128 additions and 0 deletions
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5
module/Makefile.am
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@ -54,6 +54,7 @@ SOURCES = \
language/assembly.scm \
$(TREE_IL_LANG_SOURCES) \
$(CPS_LANG_SOURCES) \
$(RTL_LANG_SOURCES) \
$(GLIL_LANG_SOURCES) \
$(ASSEMBLY_LANG_SOURCES) \
$(BYTECODE_LANG_SOURCES) \
@ -123,6 +124,10 @@ CPS_LANG_SOURCES = \
language/cps/spec.scm \
language/cps/verify.scm
RTL_LANG_SOURCES = \
language/rtl.scm \
language/rtl/spec.scm
GLIL_LANG_SOURCES = \
language/glil/spec.scm language/glil/compile-assembly.scm

92
module/language/rtl.scm Normal file
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@ -0,0 +1,92 @@
;;; Register Transfer Language (RTL)
;; Copyright (C) 2013 Free Software Foundation, Inc.
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Code:
(define-module (language rtl)
#:use-module (ice-9 match)
#:use-module ((srfi srfi-1) #:select (fold))
#:use-module (system vm instruction)
#:re-export (rtl-instruction-list)
#:export (rtl-instruction-arity))
(define (compute-rtl-instruction-arity name args)
(define (first-word-arity word)
(case word
((U8_X24) 0)
((U8_U24) 1)
((U8_L24) 1)
((U8_U8_I16) 2)
((U8_U12_U12) 2)
((U8_U8_U8_U8) 3)))
(define (tail-word-arity word)
(case word
((U8_U24) 2)
((U8_L24) 2)
((U8_U8_I16) 3)
((U8_U12_U12) 3)
((U8_U8_U8_U8) 4)
((U32) 1)
((I32) 1)
((A32) 1)
((B32) 0)
((N32) 1)
((S32) 1)
((L32) 1)
((LO32) 1)
((X8_U24) 1)
((X8_U12_U12) 2)
((X8_L24) 1)
((B1_X7_L24) 2)
((B1_U7_L24) 3)
((B1_X31) 1)
((B1_X7_U24) 2)))
(match args
((arg0 . args)
(fold (lambda (arg arity)
(+ (tail-word-arity arg) arity))
(first-word-arity arg0)
args))))
(define *macro-instruction-arities*
'((cache-current-module! . (0 . 2))
(cached-toplevel-box . (1 . 3))
(cached-module-box . (1 . 4))))
(define (compute-rtl-instruction-arities)
(let ((table (make-hash-table)))
(for-each
(match-lambda
;; Put special cases here.
((name op '! . args)
(hashq-set! table name
(cons 0 (compute-rtl-instruction-arity name args))))
((name op '<- . args)
(hashq-set! table name
(cons 1 (1- (compute-rtl-instruction-arity name args))))))
(rtl-instruction-list))
(for-each (match-lambda
((name . arity)
(hashq-set! table name arity)))
*macro-instruction-arities*)
table))
(define *rtl-instruction-arities* (delay (compute-rtl-instruction-arities)))
(define (rtl-instruction-arity name)
(hashq-ref (force *rtl-instruction-arities*) name))

31
module/language/rtl/spec.scm Normal file
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@ -0,0 +1,31 @@
;;; Register Transfer Language (RTL)
;; Copyright (C) 2013 Free Software Foundation, Inc.
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Code:
(define-module (language rtl spec)
#:use-module (system base language)
#:use-module (ice-9 binary-ports)
#:export (rtl))
(define-language rtl
#:title "Register Transfer Language"
#:compilers '()
#:printer (lambda (rtl port) (put-bytevector port rtl))
#:reader get-bytevector-all
#:for-humans? #f)