factor/library/compiler/x86/fixnum.factor

158 lines
4.1 KiB
Factor

! :folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2005 Slava Pestov.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
IN: compiler
USE: assembler
USE: inference
USE: math
USE: words
USE: kernel
USE: alien
USE: lists
USE: math-internals
! This file provides compiling definitions for fixnum words
! that are faster than what C gives us. There is a lot of
! code repetition here. It will be factored out at the same
! time as rewriting the code to use registers for intermediate
! values happends. At this point in time, this is just a
! prototype to test the assembler.
: fixnum-insn ( overflow opcode -- )
#! This needs to be factored.
EAX [ ESI -4 ] MOV
EAX [ ESI ] rot execute
0 JNO just-compiled
swap compile-call
0 JMP just-compiled >r
compiled-offset swap patch
ESI 4 SUB
[ ESI ] EAX MOV
r> compiled-offset swap patch ;
\ fixnum+ [
drop \ fixnum+ \ ADD fixnum-insn
] "generator" set-word-prop
\ fixnum+ [ \ fixnum+ self ] "infer" set-word-prop
\ fixnum- [
drop \ fixnum- \ SUB fixnum-insn
] "generator" set-word-prop
\ fixnum- [ \ fixnum- self ] "infer" set-word-prop
\ fixnum* [
drop
EAX [ ESI -4 ] MOV
EAX 3 SHR
EAX [ ESI ] IMUL
0 JNO just-compiled
\ fixnum* compile-call
0 JMP just-compiled >r
compiled-offset swap patch
ESI 4 SUB
[ ESI ] EAX MOV
r> compiled-offset swap patch
] "generator" set-word-prop
\ fixnum* [ \ fixnum* self ] "infer" set-word-prop
\ fixnum/i [
drop
EAX [ ESI -4 ] MOV
CDQ
[ ESI ] IDIV
EAX 3 SHL
0 JNO just-compiled
\ fixnum/i compile-call
0 JMP just-compiled >r
compiled-offset swap patch
ESI 4 SUB
[ ESI ] EAX MOV
r> compiled-offset swap patch
] "generator" set-word-prop
\ fixnum/i [ \ fixnum/i self ] "infer" set-word-prop
\ fixnum-mod [
drop
EAX [ ESI -4 ] MOV
CDQ
[ ESI ] IDIV
EAX 3 SHL
0 JNO just-compiled
\ fixnum/i compile-call
0 JMP just-compiled >r
compiled-offset swap patch
ESI 4 SUB
[ ESI ] EDX MOV
r> compiled-offset swap patch
] "generator" set-word-prop
\ fixnum-mod [ \ fixnum-mod self ] "infer" set-word-prop
\ fixnum/mod [
drop
EAX [ ESI -4 ] MOV
CDQ
[ ESI ] IDIV
EAX 3 SHL
0 JNO just-compiled
\ fixnum/mod compile-call
0 JMP just-compiled >r
compiled-offset swap patch
[ ESI -4 ] EAX MOV
[ ESI ] EDX MOV
r> compiled-offset swap patch
] "generator" set-word-prop
\ fixnum/mod [ \ fixnum/mod self ] "infer" set-word-prop
: PUSH-DS ( -- )
#! Push EAX to datastack.
ESI 4 ADD
[ ESI ] EAX MOV ;
\ arithmetic-type [
drop
EAX [ ESI -4 ] MOV
EAX BIN: 111 AND
EDX [ ESI ] MOV
EDX BIN: 111 AND
EAX EDX CMP
0 JE just-compiled >r
\ arithmetic-type compile-call
0 JMP just-compiled
compiled-offset r> patch
EAX 3 SHL
PUSH-DS
compiled-offset swap patch
] "generator" set-word-prop
\ arithmetic-type [ \ arithmetic-type self ] "infer" set-word-prop