ee9081f3ec
* module/mescc/info.scm (info): Add allocated, registers. * module/mescc/i386/info.scm: New file. * build-aux/build-guile.sh (SCM_FILES): Add it. * module/mescc/compile.scm (c99-input->info): Add info parameter. (c99-ast->info): Likewise. (i386:type-alist): Remove. (alloc-register, free-register): New function. (expr->register*): Rename from expr->accu*. Update callers. (expr->accu): Rename from expr->accu. Update callers. * module/mescc/mescc.scm(%info): New variable. * module/mescc/mescc.scm (c->ast): Use it. (mescc:compile): Likewise. (E->info): Likewise.
68 lines
2.5 KiB
Scheme
68 lines
2.5 KiB
Scheme
;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Initialize MesCC as i386/x86 compiler
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;;; Code:
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(define-module (mescc i386 info)
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#:use-module (mescc info)
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#:export (x86-info))
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(define (x86-info)
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(make <info> #:types i386:type-alist #:registers i386:registers))
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;; FIXME: use abstract, unlimited R0...RN and make concrete in second pass?
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(define i386:registers '("eax" "ebx" "ecx" "edx" "esi"))
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(define i386:type-alist
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`(("char" . ,(make-type 'signed 1 #f))
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("short" . ,(make-type 'signed 2 #f))
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("int" . ,(make-type 'signed 4 #f))
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("long" . ,(make-type 'signed 4 #f))
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("default" . ,(make-type 'signed 4 #f))
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;;("long long" . ,(make-type 'signed 8 #f))
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;;("long long int" . ,(make-type 'signed 8 #f))
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("long long" . ,(make-type 'signed 4 #f)) ;; FIXME
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("long long int" . ,(make-type 'signed 4 #f))
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("void" . ,(make-type 'void 1 #f))
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;; FIXME sign
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("unsigned char" . ,(make-type 'unsigned 1 #f))
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("unsigned short" . ,(make-type 'unsigned 2 #f))
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("unsigned" . ,(make-type 'unsigned 4 #f))
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("unsigned int" . ,(make-type 'unsigned 4 #f))
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("unsigned long" . ,(make-type 'unsigned 4 #f))
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;; ("unsigned long long" . ,(make-type 'builtin 8 #f))
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;; ("unsigned long long int" . ,(make-type 'builtin 8 #f))
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("unsigned long long" . ,(make-type 'unsigned 4 #f)) ;; FIXME
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("unsigned long long int" . ,(make-type 'unsigned 4 #f))
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("float" . ,(make-type 'float 4 #f))
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("double" . ,(make-type 'float 8 #f))
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("long double" . ,(make-type 'float 16 #f))
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;;
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("short int" . ,(make-type 'signed 2 #f))
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("unsigned short int" . ,(make-type 'unsigned 2 #f))
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("long int" . ,(make-type 'signed 4 #f))
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("unsigned long int" . ,(make-type 'unsigned 4 #f))))
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