2007-10-25 16:27:34 -04:00
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;;; Ikarus Scheme -- A compiler for R6RS Scheme.
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2008-01-29 00:34:34 -05:00
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;;; Copyright (C) 2006,2007,2008 Abdulaziz Ghuloum
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2007-10-25 16:27:34 -04:00
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;;;
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;;; This program is free software: you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License version 3 as
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;;; published by the Free Software Foundation.
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;;;
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;;; This program 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 GNU
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;;; 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 this program. If not, see <http://www.gnu.org/licenses/>.
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2007-03-09 14:01:17 -05:00
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(define-syntax section
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(syntax-rules (/section)
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[(section e* ... /section) (begin e* ...)]))
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(section ;;; helpers
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2007-03-02 02:47:36 -05:00
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(define (prm op . arg*)
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(make-primcall op arg*))
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(define (nop) (make-primcall 'nop '()))
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(define (K x) (make-constant x))
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(define (tag-test x mask tag)
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(if mask
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(prm '= (prm 'logand x (K mask)) (K tag))
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(prm '= x (K tag))))
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(define (sec-tag-test x pmask ptag smask stag)
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(make-conditional
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(tag-test x pmask ptag)
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(tag-test (prm 'mref x (K (- ptag))) smask stag)
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(make-constant #f)))
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(define (safe-ref x disp mask tag)
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(seq*
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(interrupt-unless (tag-test x mask tag))
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(prm 'mref x (K (- disp tag)))))
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(define (dirty-vector-set address)
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2008-04-07 12:32:55 -04:00
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(define shift-bits 2)
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2007-03-02 02:47:36 -05:00
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(prm 'mset
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(prm 'int+
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2008-01-01 23:07:41 -05:00
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(prm 'mref pcr (K pcb-dirty-vector))
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2008-04-07 12:32:55 -04:00
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(prm 'sll (prm 'srl address (K pageshift)) (K shift-bits)))
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2007-03-02 02:47:36 -05:00
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(K 0)
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(K dirty-word)))
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(define (smart-dirty-vector-set addr what)
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2007-10-12 02:59:27 -04:00
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(struct-case what
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2007-03-02 02:47:36 -05:00
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[(constant t)
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(if (or (fixnum? t) (immediate? t))
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(prm 'nop)
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(dirty-vector-set addr))]
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[else (dirty-vector-set addr)]))
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2007-12-01 22:32:19 -05:00
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(define (slow-mem-assign v x i)
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2007-03-02 02:47:36 -05:00
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(with-tmp ([t (prm 'int+ x (K i))])
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(make-seq
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(prm 'mset t (K 0) (T v))
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(dirty-vector-set t))))
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2007-12-01 22:32:19 -05:00
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(define (mem-assign v x i)
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(struct-case v
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2007-03-02 02:47:36 -05:00
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[(constant t)
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(if (or (fixnum? t) (immediate? t))
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2007-12-01 22:32:19 -05:00
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(prm 'mset x (K i) (T v))
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(slow-mem-assign v x i))]
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[else (slow-mem-assign v x i)]))
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2007-03-02 02:47:36 -05:00
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(define (align-code unknown-amt known-amt)
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(prm 'sll
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(prm 'sra
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(prm 'int+ unknown-amt
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(K (+ known-amt (sub1 object-alignment))))
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(K align-shift))
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(K align-shift)))
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2007-03-09 14:01:17 -05:00
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/section)
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2007-03-02 02:47:36 -05:00
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(section ;;; simple objects section
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2007-06-02 21:55:40 -04:00
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(define-primop base-rtd safe
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2008-01-01 23:07:41 -05:00
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[(V) (prm 'mref pcr (K pcb-base-rtd))]
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2007-06-02 21:55:40 -04:00
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[(P) (K #t)]
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[(E) (prm 'nop)])
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2007-03-02 02:47:36 -05:00
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(define-primop void safe
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[(V) (K void-object)]
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[(P) (K #t)]
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[(E) (prm 'nop)])
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(define-primop nop unsafe
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[(E) (prm 'nop)])
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(define-primop neq? unsafe
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[(P x y) (prm '!= (T x) (T y))]
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[(E x y) (nop)])
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(define-primop eq? safe
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[(P x y) (prm '= (T x) (T y))]
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[(E x y) (nop)])
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(define-primop null? safe
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[(P x) (prm '= (T x) (K nil))]
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[(E x) (nop)])
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2007-03-03 23:17:04 -05:00
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(define-primop not safe
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[(P x) (prm '= (T x) (K bool-f))]
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[(E x) (nop)])
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2007-03-02 02:47:36 -05:00
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(define-primop eof-object safe
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[(V) (K eof)]
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[(P) (K #t)]
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[(E) (nop)])
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(define-primop eof-object? safe
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[(P x) (prm '= (T x) (K eof))]
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[(E x) (nop)])
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(define-primop $unbound-object? unsafe
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[(P x) (prm '= (T x) (K unbound))]
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[(E x) (nop)])
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(define-primop immediate? safe
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[(P x)
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(make-conditional
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2008-01-03 04:42:10 -05:00
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(tag-test (T x) fx-mask fx-tag)
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2007-03-02 02:47:36 -05:00
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(make-constant #t)
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(tag-test (T x) 7 7))]
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[(E x) (nop)])
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(define-primop boolean? safe
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[(P x) (tag-test (T x) bool-mask bool-tag)]
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[(E x) (nop)])
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(define-primop bwp-object? safe
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[(P x) (prm '= (T x) (K bwp-object))]
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[(E x) (nop)])
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(define-primop $forward-ptr? unsafe
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[(P x) (prm '= (T x) (K -1))]
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[(E x) (nop)])
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(define-primop pointer-value unsafe
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2007-08-30 19:40:01 -04:00
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[(V x) (prm 'logand
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(prm 'srl (T x) (K 1))
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2008-01-03 04:42:10 -05:00
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(K (* -1 fx-scale)))]
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2007-03-02 02:47:36 -05:00
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[(P x) (K #t)]
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[(E x) (nop)])
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(define-primop $arg-list unsafe
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2008-01-01 23:07:41 -05:00
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[(V) (prm 'mref pcr (K pcb-arg-list))]
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2007-03-02 02:47:36 -05:00
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[(P) (K #t)]
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[(E) (nop)])
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2007-08-30 22:02:25 -04:00
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(define-primop $collect-key unsafe
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2008-01-01 23:07:41 -05:00
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[(V) (prm 'mref pcr (K pcb-collect-key))]
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[(E x) (prm 'mset pcr (K pcb-collect-key) (T x))])
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2007-08-30 22:02:25 -04:00
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2007-03-03 23:17:04 -05:00
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(define-primop $memq safe
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[(P x ls)
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2007-10-12 02:59:27 -04:00
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(struct-case ls
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2007-03-03 23:17:04 -05:00
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[(constant ls)
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(cond
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[(not (list? ls)) (interrupt)]
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[else
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(with-tmp ([x (T x)])
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(let f ([ls ls])
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(cond
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[(null? ls) (K #f)]
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[(null? (cdr ls)) (prm '= x (T (K (car ls))))]
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[else
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(make-conditional
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(prm '= x (T (K (car ls))))
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(K #t)
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(f (cdr ls)))])))])]
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[else (interrupt)])]
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[(V x ls)
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2007-10-12 02:59:27 -04:00
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(struct-case ls
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2007-03-03 23:17:04 -05:00
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[(constant ls)
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(cond
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[(not (list? ls)) (interrupt)]
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[else
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(with-tmp ([x (T x)])
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(let f ([ls ls])
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(cond
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[(null? ls) (K bool-f)]
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[else
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(make-conditional
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(prm '= x (T (K (car ls))))
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(T (K ls))
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(f (cdr ls)))])))])]
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[else (interrupt)])]
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[(E x ls) (nop)])
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2007-03-02 02:47:36 -05:00
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/section)
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(section ;;; pairs
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(define-primop pair? safe
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[(P x) (tag-test (T x) pair-mask pair-tag)]
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[(E x) (nop)])
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(define-primop cons safe
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[(V a d)
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(with-tmp ([t (prm 'alloc (K pair-size) (K pair-tag))])
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(prm 'mset t (K (- disp-car pair-tag)) (T a))
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(prm 'mset t (K (- disp-cdr pair-tag)) (T d))
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t)]
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[(P a d) (K #t)]
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[(E a d) (prm 'nop)])
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(define-primop $car unsafe
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[(V x) (prm 'mref (T x) (K (- disp-car pair-tag)))]
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[(E x) (nop)])
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(define-primop $cdr unsafe
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[(V x) (prm 'mref (T x) (K (- disp-cdr pair-tag)))]
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[(E x) (nop)])
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(define-primop $set-car! unsafe
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[(E x v)
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(with-tmp ([x (T x)])
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(prm 'mset x (K (- disp-car pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop $set-cdr! unsafe
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[(E x v)
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(with-tmp ([x (T x)])
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(prm 'mset x (K (- disp-cdr pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop car safe
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[(V x)
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(safe-ref (T x) disp-car pair-mask pair-tag)]
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[(E x)
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(interrupt-unless (tag-test (T x) pair-mask pair-tag))])
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(define-primop cdr safe
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[(V x)
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(safe-ref (T x) disp-cdr pair-mask pair-tag)]
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[(E x)
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(interrupt-unless (tag-test (T x) pair-mask pair-tag))])
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(define-primop set-car! safe
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[(E x v)
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(with-tmp ([x (T x)])
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(interrupt-unless (tag-test x pair-mask pair-tag))
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(prm 'mset x (K (- disp-car pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop set-cdr! safe
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[(E x v)
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(with-tmp ([x (T x)])
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(interrupt-unless (tag-test x pair-mask pair-tag))
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(prm 'mset x (K (- disp-cdr pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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2008-01-18 22:44:40 -05:00
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(define (expand-cxr val ls)
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(cond
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[(null? ls) (T val)]
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[else
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(with-tmp ([x (expand-cxr val (cdr ls))])
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(interrupt-unless (tag-test x pair-mask pair-tag))
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(prm 'mref x
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(case (car ls)
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[(a) (K (- disp-car pair-tag))]
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[else (K (- disp-cdr pair-tag))])))]))
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(define-primop caar safe [(V x) (expand-cxr x '(a a))])
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(define-primop cadr safe [(V x) (expand-cxr x '(a d))])
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(define-primop cdar safe [(V x) (expand-cxr x '(d a))])
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(define-primop cddr safe [(V x) (expand-cxr x '(d d))])
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(define-primop caaar safe [(V x) (expand-cxr x '(a a a))])
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(define-primop caadr safe [(V x) (expand-cxr x '(a a d))])
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(define-primop cadar safe [(V x) (expand-cxr x '(a d a))])
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(define-primop caddr safe [(V x) (expand-cxr x '(a d d))])
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(define-primop cdaar safe [(V x) (expand-cxr x '(d a a))])
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(define-primop cdadr safe [(V x) (expand-cxr x '(d a d))])
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(define-primop cddar safe [(V x) (expand-cxr x '(d d a))])
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(define-primop cdddr safe [(V x) (expand-cxr x '(d d d))])
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;(define-primop caaaar safe [(V x) (expand-cxr x '(a a a a))])
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;(define-primop caaadr safe [(V x) (expand-cxr x '(a a a d))])
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;(define-primop caadar safe [(V x) (expand-cxr x '(a a d a))])
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;(define-primop caaddr safe [(V x) (expand-cxr x '(a a d d))])
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;(define-primop cadaar safe [(V x) (expand-cxr x '(a d a a))])
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;(define-primop cadadr safe [(V x) (expand-cxr x '(a d a d))])
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;(define-primop caddar safe [(V x) (expand-cxr x '(a d d a))])
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(define-primop cadddr safe [(V x) (expand-cxr x '(a d d d))])
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;(define-primop cdaaar safe [(V x) (expand-cxr x '(d a a a))])
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;(define-primop cdaadr safe [(V x) (expand-cxr x '(d a a d))])
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;(define-primop cdadar safe [(V x) (expand-cxr x '(d a d a))])
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;(define-primop cdaddr safe [(V x) (expand-cxr x '(d a d d))])
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;(define-primop cddaar safe [(V x) (expand-cxr x '(d d a a))])
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;(define-primop cddadr safe [(V x) (expand-cxr x '(d d a d))])
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;(define-primop cdddar safe [(V x) (expand-cxr x '(d d d a))])
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;(define-primop cddddr safe [(V x) (expand-cxr x '(d d d d))])
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2007-03-02 02:47:36 -05:00
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(define-primop list safe
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[(V) (K nil)]
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[(V . arg*)
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(let ([n (length arg*)] [t* (map T arg*)])
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(with-tmp ([v (prm 'alloc (K (align (* n pair-size))) (K pair-tag))])
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|
|
(prm 'mset v (K (- disp-car pair-tag)) (car t*))
|
|
|
|
(prm 'mset v
|
|
|
|
(K (- (+ disp-cdr (* (sub1 n) pair-size)) pair-tag))
|
|
|
|
(K nil))
|
|
|
|
(let f ([t* (cdr t*)] [i pair-size])
|
|
|
|
(cond
|
|
|
|
[(null? t*) v]
|
|
|
|
[else
|
|
|
|
(with-tmp ([tmp (prm 'int+ v (K i))])
|
|
|
|
(prm 'mset tmp (K (- disp-car pair-tag)) (car t*))
|
|
|
|
(prm 'mset tmp (K (+ disp-cdr (- pair-size) (- pair-tag))) tmp)
|
|
|
|
(f (cdr t*) (+ i pair-size)))]))))]
|
|
|
|
[(P . arg*) (K #t)]
|
|
|
|
[(E . arg*) (nop)])
|
|
|
|
|
2007-09-09 23:31:19 -04:00
|
|
|
(define-primop cons* safe
|
|
|
|
[(V) (interrupt)]
|
|
|
|
[(V x) (T x)]
|
|
|
|
[(V a . a*)
|
|
|
|
(let ([t* (map T a*)] [n (length a*)])
|
|
|
|
(with-tmp ([v (prm 'alloc (K (* n pair-size)) (K pair-tag))])
|
|
|
|
(prm 'mset v (K (- disp-car pair-tag)) (T a))
|
|
|
|
(let f ([t* t*] [i pair-size])
|
|
|
|
(cond
|
|
|
|
[(null? (cdr t*))
|
|
|
|
(seq* (prm 'mset v (K (- i disp-cdr pair-tag)) (car t*)) v)]
|
|
|
|
[else
|
|
|
|
(with-tmp ([tmp (prm 'int+ v (K i))])
|
|
|
|
(prm 'mset tmp (K (- disp-car pair-tag)) (car t*))
|
|
|
|
(prm 'mset tmp (K (- (- disp-cdr pair-tag) pair-size)) tmp)
|
|
|
|
(f (cdr t*) (+ i pair-size)))]))))]
|
|
|
|
[(P) (interrupt)]
|
|
|
|
[(P x) (P x)]
|
|
|
|
[(P a . a*) (K #t)]
|
|
|
|
[(E) (interrupt)]
|
|
|
|
[(E . a*) (nop)])
|
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/section)
|
|
|
|
|
|
|
|
(section ;;; vectors
|
2007-06-02 03:21:05 -04:00
|
|
|
(section ;;; helpers
|
|
|
|
(define (vector-range-check x idx)
|
|
|
|
(define (check-fx i)
|
|
|
|
(seq*
|
|
|
|
(interrupt-unless (tag-test (T x) vector-mask vector-tag))
|
|
|
|
(with-tmp ([len (cogen-value-$vector-length x)])
|
|
|
|
(interrupt-unless (prm 'u< (K (* i wordsize)) len))
|
|
|
|
(interrupt-unless-fixnum len))))
|
|
|
|
(define (check-? idx)
|
|
|
|
(seq*
|
|
|
|
(interrupt-unless (tag-test (T x) vector-mask vector-tag))
|
|
|
|
(with-tmp ([len (cogen-value-$vector-length x)])
|
|
|
|
(interrupt-unless (prm 'u< (T idx) len))
|
|
|
|
(with-tmp ([t (prm 'logor len (T idx))])
|
|
|
|
(interrupt-unless-fixnum t)))))
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case idx
|
2007-06-02 03:21:05 -04:00
|
|
|
[(constant i)
|
|
|
|
(if (and (fixnum? i) (fx>= i 0))
|
|
|
|
(check-fx i)
|
|
|
|
(check-? idx))]
|
|
|
|
[else (check-? idx)]))
|
|
|
|
/section)
|
2007-03-02 02:47:36 -05:00
|
|
|
|
|
|
|
(define-primop vector? unsafe
|
2008-01-03 04:42:10 -05:00
|
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag fx-mask fx-tag)]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $make-vector unsafe
|
|
|
|
[(V len)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case len
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant i)
|
|
|
|
(unless (fixnum? i) (interrupt))
|
|
|
|
(with-tmp ([v (prm 'alloc
|
|
|
|
(K (align (+ (* i wordsize) disp-vector-data)))
|
|
|
|
(K vector-tag))])
|
|
|
|
(prm 'mset v
|
|
|
|
(K (- disp-vector-length vector-tag))
|
2008-04-07 12:32:55 -04:00
|
|
|
(K (* i fx-scale)))
|
2007-03-02 02:47:36 -05:00
|
|
|
v)]
|
|
|
|
[else
|
|
|
|
(with-tmp ([alen (align-code (T len) disp-vector-data)])
|
|
|
|
(with-tmp ([v (prm 'alloc alen (K vector-tag))])
|
|
|
|
(prm 'mset v (K (- disp-vector-length vector-tag)) (T len))
|
|
|
|
v))])]
|
|
|
|
[(P len) (K #t)]
|
|
|
|
[(E len) (nop)])
|
|
|
|
|
2007-12-01 05:38:09 -05:00
|
|
|
(define-primop make-vector safe
|
|
|
|
[(V len)
|
|
|
|
(with-tmp ([x (make-forcall "ikrt_make_vector1" (list (T len)))])
|
|
|
|
(interrupt-when (prm '= x (K 0)))
|
|
|
|
x)])
|
|
|
|
|
|
|
|
|
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
(define-primop $vector-ref unsafe
|
|
|
|
[(V x i)
|
|
|
|
(or
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant i)
|
|
|
|
(and (fixnum? i)
|
|
|
|
(fx>= i 0)
|
|
|
|
(prm 'mref (T x)
|
|
|
|
(K (+ (* i wordsize) (- disp-vector-data vector-tag)))))]
|
|
|
|
[else #f])
|
|
|
|
(prm 'mref (T x)
|
|
|
|
(prm 'int+ (T i) (K (- disp-vector-data vector-tag)))))])
|
|
|
|
|
|
|
|
(define-primop $vector-length unsafe
|
|
|
|
[(V x) (prm 'mref (T x) (K (- disp-vector-length vector-tag)))]
|
|
|
|
[(E x) (prm 'nop)]
|
|
|
|
[(P x) (K #t)])
|
|
|
|
|
|
|
|
(define-primop vector-length safe
|
|
|
|
[(V x)
|
|
|
|
(seq*
|
|
|
|
(interrupt-unless (tag-test (T x) vector-mask vector-tag))
|
|
|
|
(with-tmp ([t (cogen-value-$vector-length x)])
|
|
|
|
(interrupt-unless-fixnum t)
|
|
|
|
t))]
|
|
|
|
[(E x)
|
|
|
|
(seq*
|
|
|
|
(interrupt-unless (tag-test (T x) vector-mask vector-tag))
|
|
|
|
(with-tmp ([t (cogen-value-$vector-length x)])
|
|
|
|
(interrupt-unless-fixnum t)))]
|
|
|
|
[(P x)
|
|
|
|
(seq* (cogen-effect-vector-length x) (K #t))])
|
|
|
|
|
|
|
|
(define-primop vector-ref safe
|
|
|
|
[(V x i)
|
|
|
|
(seq*
|
|
|
|
(vector-range-check x i)
|
|
|
|
(cogen-value-$vector-ref x i))]
|
|
|
|
[(E x i)
|
|
|
|
(vector-range-check x i)])
|
|
|
|
|
|
|
|
|
|
|
|
(define-primop $vector-set! unsafe
|
|
|
|
[(E x i v)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant i)
|
|
|
|
(unless (fixnum? i) (interrupt))
|
|
|
|
(mem-assign v (T x)
|
|
|
|
(+ (* i wordsize)
|
|
|
|
(- disp-vector-data vector-tag)))]
|
|
|
|
[else
|
|
|
|
(mem-assign v
|
|
|
|
(prm 'int+ (T x) (T i))
|
|
|
|
(- disp-vector-data vector-tag))])])
|
|
|
|
|
2007-03-03 23:17:04 -05:00
|
|
|
(define-primop vector-set! safe
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x i v)
|
|
|
|
(seq*
|
|
|
|
(vector-range-check x i)
|
|
|
|
(cogen-effect-$vector-set! x i v))])
|
|
|
|
|
|
|
|
(define-primop vector safe
|
|
|
|
[(V . arg*)
|
|
|
|
(with-tmp ([v (prm 'alloc
|
|
|
|
(K (align (+ disp-vector-data
|
|
|
|
(* (length arg*) wordsize))))
|
|
|
|
(K vector-tag))])
|
|
|
|
(seq*
|
|
|
|
(prm 'mset v (K (- disp-vector-length vector-tag))
|
|
|
|
(K (* (length arg*) wordsize)))
|
|
|
|
(let f ([t* (map T arg*)]
|
|
|
|
[i (- disp-vector-data vector-tag)])
|
|
|
|
(cond
|
|
|
|
[(null? t*) v]
|
|
|
|
[else
|
|
|
|
(make-seq
|
|
|
|
(prm 'mset v (K i) (car t*))
|
|
|
|
(f (cdr t*) (+ i wordsize)))]))))]
|
|
|
|
[(E . arg*) (prm 'nop)]
|
|
|
|
[(P . arg*) (K #t)])
|
|
|
|
|
|
|
|
/section)
|
|
|
|
|
|
|
|
(section ;;; closures
|
|
|
|
|
|
|
|
(define-primop procedure? safe
|
|
|
|
[(P x) (tag-test (T x) closure-mask closure-tag)])
|
|
|
|
|
|
|
|
(define-primop $cpref unsafe
|
|
|
|
[(V x i)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant i)
|
|
|
|
(unless (fixnum? i) (interrupt))
|
|
|
|
(prm 'mref (T x)
|
|
|
|
(K (+ (- disp-closure-data closure-tag)
|
|
|
|
(* i wordsize))))]
|
|
|
|
[else (interrupt)])])
|
|
|
|
|
|
|
|
/section)
|
|
|
|
|
|
|
|
(section ;;; symbols
|
|
|
|
|
|
|
|
(define-primop symbol? safe
|
2007-06-03 19:55:04 -04:00
|
|
|
[(P x)
|
|
|
|
(sec-tag-test (T x) vector-mask vector-tag #f symbol-record-tag)]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $make-symbol unsafe
|
|
|
|
[(V str)
|
2007-06-02 03:21:05 -04:00
|
|
|
(with-tmp ([x (prm 'alloc (K (align symbol-record-size)) (K symbol-ptag))])
|
|
|
|
(prm 'mset x (K (- symbol-ptag)) (K symbol-record-tag))
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-string symbol-ptag)) (T str))
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-ustring symbol-ptag)) (K 0))
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-value symbol-ptag)) (K unbound))
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-proc symbol-ptag)) (K unbound))
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-plist symbol-ptag)) (K nil))
|
2007-03-02 02:47:36 -05:00
|
|
|
x)]
|
|
|
|
[(P str) (K #t)]
|
|
|
|
[(E str) (nop)])
|
|
|
|
|
|
|
|
(define-primop $symbol-string unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(V x) (prm 'mref (T x) (K (- disp-symbol-record-string symbol-ptag)))]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $set-symbol-string! unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(E x v) (mem-assign v (T x) (- disp-symbol-record-string symbol-ptag))])
|
2007-03-02 02:47:36 -05:00
|
|
|
|
|
|
|
(define-primop $symbol-unique-string unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(V x) (prm 'mref (T x) (K (- disp-symbol-record-ustring symbol-ptag)))]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $set-symbol-unique-string! unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(E x v) (mem-assign v (T x) (- disp-symbol-record-ustring symbol-ptag))])
|
2007-03-02 02:47:36 -05:00
|
|
|
|
|
|
|
(define-primop $symbol-plist unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(V x) (prm 'mref (T x) (K (- disp-symbol-record-plist symbol-ptag)))]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $set-symbol-plist! unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(E x v) (mem-assign v (T x) (- disp-symbol-record-plist symbol-ptag))])
|
2007-03-02 02:47:36 -05:00
|
|
|
|
|
|
|
(define-primop $symbol-value unsafe
|
2007-06-02 03:21:05 -04:00
|
|
|
[(V x) (prm 'mref (T x) (K (- disp-symbol-record-value symbol-ptag)))]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $set-symbol-value! unsafe
|
|
|
|
[(E x v)
|
|
|
|
(with-tmp ([x (T x)])
|
2007-06-02 03:21:05 -04:00
|
|
|
(prm 'mset x (K (- disp-symbol-record-value symbol-ptag)) (T v))
|
2007-03-02 02:47:36 -05:00
|
|
|
(dirty-vector-set x))])
|
|
|
|
|
2007-08-28 23:49:50 -04:00
|
|
|
(define-primop $set-symbol-proc! unsafe
|
|
|
|
[(E x v)
|
|
|
|
(with-tmp ([x (T x)])
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-proc symbol-ptag)) (T v))
|
|
|
|
(dirty-vector-set x))])
|
2007-06-02 21:55:40 -04:00
|
|
|
|
2008-02-10 05:24:16 -05:00
|
|
|
(define-primop $set-symbol-value/proc! unsafe
|
|
|
|
[(E x v)
|
|
|
|
(with-tmp ([x (T x)] [v (T v)])
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-value symbol-ptag)) v)
|
|
|
|
(prm 'mset x (K (- disp-symbol-record-proc symbol-ptag)) v)
|
|
|
|
(dirty-vector-set x))])
|
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
(define-primop top-level-value safe
|
|
|
|
[(V x)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case x
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant s)
|
|
|
|
(if (symbol? s)
|
|
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
|
|
(interrupt-when (cogen-pred-$unbound-object? v))
|
|
|
|
v)
|
|
|
|
(interrupt))]
|
|
|
|
[else
|
|
|
|
(with-tmp ([x (T x)])
|
|
|
|
(interrupt-unless (cogen-pred-symbol? x))
|
|
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
|
|
(interrupt-when (cogen-pred-$unbound-object? v))
|
|
|
|
v))])]
|
|
|
|
[(E x)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case x
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant s)
|
|
|
|
(if (symbol? s)
|
|
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
|
|
(interrupt-when (cogen-pred-$unbound-object? v)))
|
|
|
|
(interrupt))]
|
|
|
|
[else
|
|
|
|
(with-tmp ([x (T x)])
|
|
|
|
(interrupt-unless (cogen-pred-symbol? x))
|
|
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
|
|
(interrupt-when (cogen-pred-$unbound-object? v))))])])
|
|
|
|
|
2007-03-03 23:17:04 -05:00
|
|
|
|
|
|
|
(define-primop $init-symbol-function! unsafe
|
|
|
|
[(E x v)
|
|
|
|
(with-tmp ([x (T x)] [v (T v)])
|
2007-06-02 03:21:05 -04:00
|
|
|
(prm 'mset x (K (- disp-symbol-record-proc symbol-ptag)) v)
|
|
|
|
;(prm 'mset x (K (- disp-symbol-error-function symbol-tag)) v)
|
2007-03-03 23:17:04 -05:00
|
|
|
(dirty-vector-set x))])
|
|
|
|
|
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
/section)
|
|
|
|
|
|
|
|
(section ;;; fixnums
|
|
|
|
|
|
|
|
(define-primop fixnum? safe
|
2008-01-03 04:42:10 -05:00
|
|
|
[(P x) (tag-test (T x) fx-mask fx-tag)]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(E x) (nop)])
|
|
|
|
|
2007-09-15 02:06:16 -04:00
|
|
|
|
|
|
|
(define-primop fixnum-width safe
|
|
|
|
[(V) (K (fxsll (- (* wordsize 8) fx-shift) fx-shift))]
|
|
|
|
[(E) (nop)]
|
|
|
|
[(P) (K #t)])
|
|
|
|
|
|
|
|
(define-primop least-fixnum safe
|
|
|
|
[(V) (K (sll (- (expt 2 (- (- (* wordsize 8) fx-shift) 1)))
|
|
|
|
fx-shift))]
|
|
|
|
[(E) (nop)]
|
|
|
|
[(P) (K #t)])
|
|
|
|
|
|
|
|
(define-primop greatest-fixnum safe
|
|
|
|
[(V) (K (sll (- (expt 2 (- (- (* wordsize 8) fx-shift) 1)) 1)
|
|
|
|
fx-shift))]
|
|
|
|
[(E) (nop)]
|
|
|
|
[(P) (K #t)])
|
|
|
|
|
|
|
|
|
|
|
|
|
2007-09-15 01:54:45 -04:00
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
(define-primop $fxzero? unsafe
|
|
|
|
[(P x) (prm '= (T x) (K 0))]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx= unsafe
|
|
|
|
[(P x y) (prm '= (T x) (T y))]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx< unsafe
|
|
|
|
[(P x y) (prm '< (T x) (T y))]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx<= unsafe
|
|
|
|
[(P x y) (prm '<= (T x) (T y))]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx> unsafe
|
|
|
|
[(P x y) (prm '> (T x) (T y))]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx>= unsafe
|
|
|
|
[(P x y) (prm '>= (T x) (T y))]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxadd1 unsafe
|
|
|
|
[(V x) (cogen-value-$fx+ x (K 1))]
|
|
|
|
[(P x) (K #t)]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxsub1 unsafe
|
|
|
|
[(V x) (cogen-value-$fx+ x (K -1))]
|
|
|
|
[(P x) (K #t)]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx+ unsafe
|
|
|
|
[(V x y) (prm 'int+ (T x) (T y))]
|
|
|
|
[(P x y) (K #t)]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx* unsafe
|
|
|
|
[(V a b)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case a
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant a)
|
|
|
|
(unless (fixnum? a) (interrupt))
|
|
|
|
(prm 'int* (T b) (K a))]
|
|
|
|
[else
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case b
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant b)
|
|
|
|
(unless (fixnum? b) (interrupt))
|
|
|
|
(prm 'int* (T a) (K b))]
|
|
|
|
[else
|
2008-01-03 04:42:10 -05:00
|
|
|
(prm 'int* (T a) (prm 'sra (T b) (K fx-shift)))])])]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(P x y) (K #t)]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxlognot unsafe
|
|
|
|
[(V x) (cogen-value-$fxlogxor x (K -1))]
|
|
|
|
[(P x) (K #t)]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxlogand unsafe
|
|
|
|
[(V x y) (prm 'logand (T x) (T y))]
|
|
|
|
[(P x y) (K #t)]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxlogor unsafe
|
|
|
|
[(V x y) (prm 'logor (T x) (T y))]
|
|
|
|
[(P x y) (K #t)]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxlogxor unsafe
|
|
|
|
[(V x y) (prm 'logxor (T x) (T y))]
|
|
|
|
[(P x y) (K #t)]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fx- unsafe
|
|
|
|
[(V x y) (prm 'int- (T x) (T y))]
|
|
|
|
[(P x y) (K #t)]
|
|
|
|
[(E x y) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxsll unsafe
|
|
|
|
[(V x i)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant i)
|
|
|
|
(unless (fixnum? i) (interrupt))
|
|
|
|
(prm 'sll (T x) (K i))]
|
|
|
|
[else
|
2008-01-03 04:42:10 -05:00
|
|
|
(prm 'sll (T x) (prm 'sra (T i) (K fx-shift)))])]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(P x i) (K #t)]
|
|
|
|
[(E x i) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxsra unsafe
|
|
|
|
[(V x i)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-03-02 02:47:36 -05:00
|
|
|
[(constant i)
|
|
|
|
(unless (fixnum? i) (interrupt))
|
2007-09-13 21:09:09 -04:00
|
|
|
(prm 'logand
|
|
|
|
(prm 'sra (T x) (K (if (> i 31) 31 i)))
|
2008-01-03 04:42:10 -05:00
|
|
|
(K (* -1 fx-scale)))]
|
2007-03-02 02:47:36 -05:00
|
|
|
[else
|
2008-01-03 04:42:10 -05:00
|
|
|
(with-tmp ([i (prm 'sra (T i) (K fx-shift))])
|
2007-09-13 21:09:09 -04:00
|
|
|
(with-tmp ([i (make-conditional
|
|
|
|
(prm '< i (K 32))
|
|
|
|
i
|
|
|
|
(K 31))])
|
|
|
|
(prm 'logand
|
|
|
|
(prm 'sra (T x) i)
|
2008-01-03 04:42:10 -05:00
|
|
|
(K (* -1 fx-scale)))))])]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(P x i) (K #t)]
|
|
|
|
[(E x i) (nop)])
|
|
|
|
|
|
|
|
(define-primop $fxquotient unsafe
|
|
|
|
[(V a b)
|
2007-11-08 12:07:48 -05:00
|
|
|
(with-tmp ([b (T b)]) ;;; FIXME: why is quotient called remainder?
|
2008-01-03 04:42:10 -05:00
|
|
|
(prm 'sll (prm 'remainder (T a) b) (K fx-shift)))]
|
2007-03-02 02:47:36 -05:00
|
|
|
[(P a b) (K #t)]
|
|
|
|
[(E a b) (nop)])
|
|
|
|
|
2007-12-02 04:30:59 -05:00
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
(define-primop $fxmodulo unsafe
|
|
|
|
[(V a b)
|
2007-11-08 12:07:48 -05:00
|
|
|
(with-tmp ([b (T b)]) ;;; FIXME: why is modulo called quotient?
|
2007-03-02 02:47:36 -05:00
|
|
|
(with-tmp ([c (prm 'logand b
|
|
|
|
(prm 'sra (prm 'logxor b (T a))
|
|
|
|
(K (sub1 (* 8 wordsize)))))])
|
|
|
|
(prm 'int+ c (prm 'quotient (T a) b))))]
|
|
|
|
[(P a b) (K #t)]
|
|
|
|
[(E a b) (nop)])
|
|
|
|
|
2007-07-04 10:42:18 -04:00
|
|
|
(define-primop $fxinthash unsafe
|
|
|
|
[(V key)
|
|
|
|
(with-tmp ([k (T key)])
|
|
|
|
(with-tmp ([k (prm 'int+ k (prm 'logxor (prm 'sll k (K 15)) (K -1)))])
|
|
|
|
(with-tmp ([k (prm 'logxor k (prm 'sra k (K 10)))])
|
|
|
|
(with-tmp ([k (prm 'int+ k (prm 'sll k (K 3)))])
|
|
|
|
(with-tmp ([k (prm 'logxor k (prm 'sra k (K 6)))])
|
|
|
|
(with-tmp ([k (prm 'int+ k (prm 'logxor (prm 'sll k (K 11)) (K -1)))])
|
|
|
|
(with-tmp ([k (prm 'logxor k (prm 'sra k (K 16)))])
|
|
|
|
(prm 'sll k (K fx-shift)))))))))])
|
|
|
|
|
|
|
|
|
|
|
|
;(define inthash
|
|
|
|
; (lambda (key)
|
|
|
|
; ;static int inthash(int key) { /* from Bob Jenkin's */
|
|
|
|
; ; key += ~(key << 15);
|
|
|
|
; ; key ^= (key >> 10);
|
|
|
|
; ; key += (key << 3);
|
|
|
|
; ; key ^= (key >> 6);
|
|
|
|
; ; key += ~(key << 11);
|
|
|
|
; ; key ^= (key >> 16);
|
|
|
|
; ; return key;
|
|
|
|
; ;}
|
|
|
|
; (let* ([key ($fx+ key ($fxlognot ($fxsll key 15)))]
|
|
|
|
; [key ($fxlogxor key ($fxsra key 10))]
|
|
|
|
; [key ($fx+ key ($fxsll key 3))]
|
|
|
|
; [key ($fxlogxor key ($fxsra key 6))]
|
|
|
|
; [key ($fx+ key ($fxlognot ($fxsll key 11)))]
|
|
|
|
; [key ($fxlogxor key ($fxsra key 16))])
|
|
|
|
; key)))
|
|
|
|
|
|
|
|
|
2007-03-02 02:47:36 -05:00
|
|
|
/section)
|
|
|
|
|
2007-03-09 14:01:17 -05:00
|
|
|
(section ;;; bignums
|
|
|
|
|
|
|
|
(define-primop bignum? safe
|
|
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag bignum-mask bignum-tag)]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
2007-06-02 21:55:40 -04:00
|
|
|
(define-primop $bignum-positive? unsafe
|
|
|
|
[(P x)
|
|
|
|
(prm '= (prm 'logand
|
|
|
|
(prm 'mref (T x) (K (- vector-tag)))
|
|
|
|
(K bignum-sign-mask))
|
|
|
|
(K 0))]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
|
|
|
(define-primop $bignum-byte-ref unsafe
|
|
|
|
[(V s i)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-06-02 21:55:40 -04:00
|
|
|
[(constant i)
|
|
|
|
(unless (fixnum? i) (interrupt))
|
|
|
|
(prm 'sll
|
|
|
|
(prm 'logand
|
|
|
|
(prm 'mref (T s)
|
|
|
|
(K (+ i (- disp-bignum-data record-tag))))
|
|
|
|
(K 255))
|
|
|
|
(K fx-shift))]
|
|
|
|
[else
|
|
|
|
(prm 'sll
|
|
|
|
(prm 'srl ;;; FIXME: bref
|
|
|
|
(prm 'mref (T s)
|
|
|
|
(prm 'int+
|
2008-01-03 04:42:10 -05:00
|
|
|
(prm 'sra (T i) (K fx-shift))
|
2007-06-02 21:55:40 -04:00
|
|
|
;;; ENDIANNESS DEPENDENCY
|
|
|
|
(K (- disp-bignum-data
|
|
|
|
(- wordsize 1)
|
|
|
|
record-tag))))
|
|
|
|
(K (* (- wordsize 1) 8)))
|
|
|
|
(K fx-shift))])]
|
|
|
|
[(P s i) (K #t)]
|
|
|
|
[(E s i) (nop)])
|
|
|
|
|
|
|
|
(define-primop $bignum-size unsafe
|
|
|
|
[(V x)
|
|
|
|
(prm 'sll
|
|
|
|
(prm 'sra
|
|
|
|
(prm 'mref (T x) (K (- record-tag)))
|
|
|
|
(K bignum-length-shift))
|
|
|
|
(K (* 2 fx-shift)))])
|
|
|
|
|
2007-03-09 14:01:17 -05:00
|
|
|
/section)
|
|
|
|
|
|
|
|
(section ;;; flonums
|
|
|
|
|
2007-06-15 01:53:34 -04:00
|
|
|
(define ($flop-aux op fl0 fl1)
|
|
|
|
(with-tmp ([x (prm 'alloc (K (align flonum-size)) (K vector-tag))])
|
|
|
|
(prm 'mset x (K (- vector-tag)) (K flonum-tag))
|
|
|
|
(prm 'fl:load (T fl0) (K (- disp-flonum-data vector-tag)))
|
|
|
|
(prm op (T fl1) (K (- disp-flonum-data vector-tag)))
|
|
|
|
(prm 'fl:store x (K (- disp-flonum-data vector-tag)))
|
|
|
|
x))
|
|
|
|
|
2007-11-15 08:05:17 -05:00
|
|
|
(define ($flop-aux* op fl fl*)
|
|
|
|
(with-tmp ([x (prm 'alloc (K (align flonum-size)) (K vector-tag))])
|
|
|
|
(prm 'mset x (K (- vector-tag)) (K flonum-tag))
|
|
|
|
(prm 'fl:load (T fl) (K (- disp-flonum-data vector-tag)))
|
|
|
|
(let f ([fl* fl*])
|
|
|
|
(cond
|
|
|
|
[(null? fl*) (prm 'nop)]
|
|
|
|
[else
|
|
|
|
(make-seq
|
|
|
|
(prm op (T (car fl*)) (K (- disp-flonum-data vector-tag)))
|
|
|
|
(f (cdr fl*)))]))
|
|
|
|
(prm 'fl:store x (K (- disp-flonum-data vector-tag)))
|
|
|
|
x))
|
|
|
|
|
2007-06-15 05:19:28 -04:00
|
|
|
(define ($flcmp-aux op fl0 fl1)
|
|
|
|
(make-seq
|
|
|
|
(prm 'fl:load (T fl0) (K (- disp-flonum-data vector-tag)))
|
|
|
|
(prm op (T fl1) (K (- disp-flonum-data vector-tag)))))
|
|
|
|
|
2007-03-09 14:01:17 -05:00
|
|
|
(define-primop flonum? safe
|
|
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag #f flonum-tag)]
|
|
|
|
[(E x) (nop)])
|
|
|
|
|
2007-06-08 02:07:02 -04:00
|
|
|
(define-primop $flonum-u8-ref unsafe
|
|
|
|
[(V s i)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-06-08 02:07:02 -04:00
|
|
|
[(constant i)
|
|
|
|
(unless (and (fixnum? i) (fx<= 0 i) (fx<= i 7))
|
|
|
|
(interrupt))
|
|
|
|
(prm 'sll
|
|
|
|
(prm 'logand
|
|
|
|
(prm 'bref (T s)
|
2007-06-08 02:15:25 -04:00
|
|
|
(K (+ (- 7 i) (- disp-flonum-data record-tag))))
|
2007-06-08 02:07:02 -04:00
|
|
|
(K 255))
|
|
|
|
(K fx-shift))]
|
|
|
|
[else (interrupt)])]
|
|
|
|
[(P s i) (K #t)]
|
|
|
|
[(E s i) (nop)])
|
2007-06-08 01:54:10 -04:00
|
|
|
|
2007-06-10 05:09:01 -04:00
|
|
|
(define-primop $make-flonum unsafe
|
|
|
|
[(V)
|
|
|
|
(with-tmp ([x (prm 'alloc (K (align flonum-size)) (K vector-tag))])
|
|
|
|
(prm 'mset x (K (- vector-tag)) (K flonum-tag))
|
|
|
|
x)]
|
|
|
|
[(P str) (K #t)]
|
|
|
|
[(E str) (nop)])
|
|
|
|
|
|
|
|
(define-primop $flonum-set! unsafe
|
|
|
|
[(E x i v)
|
2007-10-12 02:59:27 -04:00
|
|
|
(struct-case i
|
2007-06-10 05:09:01 -04:00
|
|
|
[(constant i)
|
|
|
|
(unless (and (fixnum? i) (fx<= 0 i) (fx<= i 7))
|
|
|
|
(interrupt))
|
|
|
|
(prm 'bset/h (T x)
|
2007-06-10 13:21:41 -04:00
|
|
|
(K (+ (- 7 i) (- disp-flonum-data vector-tag)))
|
2007-06-10 05:09:01 -04:00
|
|
|
(prm 'sll (T v) (K (- 8 fx-shift))))]
|
|
|
|
[else (interrupt)])])
|
|
|
|
|
2007-06-18 07:06:13 -04:00
|
|
|
(define-primop $fixnum->flonum unsafe
|
|
|
|
[(V fx)
|
|
|
|
(with-tmp ([x (prm 'alloc (K (align flonum-size)) (K vector-tag))])
|
|
|
|
(prm 'mset x (K (- vector-tag)) (K flonum-tag))
|
2007-06-18 07:29:39 -04:00
|
|
|
(prm 'fl:from-int
|
|
|
|
(K 0) ; dummy
|
|
|
|
(prm 'sra (T fx) (K fx-shift)))
|
2007-06-18 07:06:13 -04:00
|
|
|
(prm 'fl:store x (K (- disp-flonum-data vector-tag)))
|
|
|
|
x)])
|
|
|
|
|
|