Merge branch 'master' into irc

Bruno Deferrari 2009-06-02 09:24:03 -03:00
commit 4d62b1be3c
564 changed files with 6584 additions and 3174 deletions

View File

@ -1,11 +1,11 @@
! Copyright (C) 2004, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: byte-arrays arrays assocs kernel kernel.private libc math
namespaces make parser sequences strings words assocs splitting
math.parser cpu.architecture alien alien.accessors alien.strings
quotations layouts system compiler.units io io.files
io.encodings.binary io.streams.memory accessors combinators effects
continuations fry classes ;
namespaces make parser sequences strings words splitting math.parser
cpu.architecture alien alien.accessors alien.strings quotations
layouts system compiler.units io io.files io.encodings.binary
io.streams.memory accessors combinators effects continuations fry
classes ;
IN: alien.c-types
DEFER: <int>

View File

@ -23,7 +23,7 @@ WHERE
: *T ( alien -- z )
[ T-real ] [ T-imaginary ] bi rect> ; inline
T in get
T current-vocab
{ { N "real" } { N "imaginary" } }
define-struct

View File

@ -421,7 +421,7 @@ PRIVATE>
: define-fortran-record ( name vocab fields -- )
[ >lower ] [ ] [ fortran-record>c-struct ] tri* define-struct ;
SYNTAX: RECORD: scan in get parse-definition define-fortran-record ;
SYNTAX: RECORD: scan current-vocab parse-definition define-fortran-record ;
: set-fortran-abi ( library -- )
library-fortran-abis get-global at fortran-abi set ;

View File

@ -1,6 +1,5 @@
USING: accessors alien.c-types strings help.markup help.syntax
alien.syntax sequences io arrays kernel words assocs namespaces
accessors ;
USING: alien.c-types strings help.markup help.syntax alien.syntax
sequences io arrays kernel words assocs namespaces ;
IN: alien.structs
ARTICLE: "c-structs" "C structure types"

View File

@ -22,7 +22,7 @@ SYNTAX: TYPEDEF:
scan scan typedef ;
SYNTAX: C-STRUCT:
scan in get parse-definition define-struct ;
scan current-vocab parse-definition define-struct ;
SYNTAX: C-UNION:
scan parse-definition define-union ;

View File

@ -5,23 +5,51 @@ grouping compression.lzw multiline byte-arrays io.encodings.binary
io.streams.byte-array ;
IN: bitstreams.tests
[ 1 t ]
[ B{ 254 } binary <byte-reader> <bitstream-reader> read-bit ] unit-test
[ 254 8 t ]
[ B{ 254 } binary <byte-reader> <bitstream-reader> 8 swap read-bits ] unit-test
[ 4095 12 t ]
[ B{ 255 255 } binary <byte-reader> <bitstream-reader> 12 swap read-bits ] unit-test
[ B{ 254 } ]
[ BIN: 1111111111 ]
[
binary <byte-writer> <bitstream-writer> 254 8 rot
[ write-bits ] keep stream>> >byte-array
B{ HEX: 0f HEX: ff HEX: ff HEX: ff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
10 swap peek
] unit-test
[ 255 8 t ]
[ B{ 255 } binary <byte-reader> <bitstream-reader> 8 swap read-bits ] unit-test
[ BIN: 111111111 ]
[
B{ HEX: 0f HEX: ff HEX: ff HEX: ff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
9 swap peek
] unit-test
[ 255 8 f ]
[ B{ 255 } binary <byte-reader> <bitstream-reader> 9 swap read-bits ] unit-test
[ BIN: 11111111 ]
[
B{ HEX: 0f HEX: ff HEX: ff HEX: ff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
8 swap peek
] unit-test
[ BIN: 1111111 ]
[
B{ HEX: 0f HEX: ff HEX: ff HEX: ff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
7 swap peek
] unit-test
[ BIN: 111111 ]
[
B{ HEX: 0f HEX: ff HEX: ff HEX: ff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
6 swap peek
] unit-test
[ BIN: 11111 ]
[
B{ HEX: 0f HEX: ff HEX: ff HEX: ff } <msb0-bit-reader>
2 >>byte-pos 6 >>bit-pos
5 swap peek
] unit-test
[ B{ } <msb0-bit-reader> 5 swap peek ] must-fail
[ B{ } <msb0-bit-reader> 1 swap peek ] must-fail
[ B{ } <msb0-bit-reader> 8 swap peek ] must-fail
[ 0 ] [ B{ } <msb0-bit-reader> 0 swap peek ] unit-test

View File

@ -1,96 +1,160 @@
! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors byte-arrays destructors fry io kernel locals
math sequences ;
USING: accessors alien.accessors assocs byte-arrays combinators
constructors destructors fry io io.binary io.encodings.binary
io.streams.byte-array kernel locals macros math math.ranges
multiline sequences sequences.private vectors byte-vectors
combinators.short-circuit math.bitwise ;
IN: bitstreams
TUPLE: bitstream stream end-of-stream? current-bits #bits disposed ;
TUPLE: bitstream-reader < bitstream ;
TUPLE: widthed { bits integer read-only } { #bits integer read-only } ;
: reset-bitstream ( stream -- stream )
0 >>#bits 0 >>current-bits ; inline
ERROR: invalid-widthed bits #bits ;
: new-bitstream ( stream class -- bitstream )
: check-widthed ( bits #bits -- bits #bits )
dup 0 < [ invalid-widthed ] when
2dup { [ nip 0 = ] [ drop 0 = not ] } 2&& [ invalid-widthed ] when
over 0 = [
2dup [ dup 0 < [ neg ] when log2 1 + ] dip > [ invalid-widthed ] when
] unless ;
: <widthed> ( bits #bits -- widthed )
check-widthed
widthed boa ;
: zero-widthed ( -- widthed ) 0 0 <widthed> ;
: zero-widthed? ( widthed -- ? ) zero-widthed = ;
TUPLE: bit-reader
{ bytes byte-array }
{ byte-pos array-capacity initial: 0 }
{ bit-pos array-capacity initial: 0 } ;
TUPLE: bit-writer
{ bytes byte-vector }
{ widthed widthed } ;
TUPLE: msb0-bit-reader < bit-reader ;
TUPLE: lsb0-bit-reader < bit-reader ;
CONSTRUCTOR: msb0-bit-reader ( bytes -- bs ) ;
CONSTRUCTOR: lsb0-bit-reader ( bytes -- bs ) ;
TUPLE: msb0-bit-writer < bit-writer ;
TUPLE: lsb0-bit-writer < bit-writer ;
: new-bit-writer ( class -- bs )
new
swap >>stream
reset-bitstream ; inline
BV{ } clone >>bytes
0 0 <widthed> >>widthed ; inline
M: bitstream-reader dispose ( stream -- )
stream>> dispose ;
: <msb0-bit-writer> ( -- bs )
msb0-bit-writer new-bit-writer ;
: <bitstream-reader> ( stream -- bitstream )
bitstream-reader new-bitstream ; inline
: <lsb0-bit-writer> ( -- bs )
lsb0-bit-writer new-bit-writer ;
: read-next-byte ( bitstream -- bitstream )
dup stream>> stream-read1 [
>>current-bits 8 >>#bits
GENERIC: peek ( n bitstream -- value )
GENERIC: poke ( value n bitstream -- )
: seek ( n bitstream -- )
{
[ byte-pos>> 8 * ]
[ bit-pos>> + + 8 /mod ]
[ (>>bit-pos) ]
[ (>>byte-pos) ]
} cleave ; inline
: read ( n bitstream -- value )
[ peek ] [ seek ] 2bi ; inline
<PRIVATE
ERROR: not-enough-bits widthed n ;
: widthed-bits ( widthed n -- bits )
dup 0 < [ not-enough-bits ] when
2dup [ #bits>> ] dip < [ not-enough-bits ] when
[ [ bits>> ] [ #bits>> ] bi ] dip
[ - neg shift ] keep <widthed> ;
: split-widthed ( widthed n -- widthed1 widthed2 )
2dup [ #bits>> ] dip < [
drop zero-widthed
] [
0 >>#bits
t >>end-of-stream?
] if* ;
: maybe-read-next-byte ( bitstream -- bitstream )
dup #bits>> 0 = [ read-next-byte ] when ; inline
: shift-one-bit ( bitstream -- n )
[ current-bits>> ] [ #bits>> ] bi 1- neg shift 1 bitand ; inline
: next-bit ( bitstream -- n/f ? )
maybe-read-next-byte
dup end-of-stream?>> [
drop f
] [
[ shift-one-bit ]
[ [ 1- ] change-#bits maybe-read-next-byte drop ] bi
] if dup >boolean ;
: read-bit ( bitstream -- n ? )
dup #bits>> 1 = [
[ current-bits>> 1 bitand ]
[ read-next-byte drop ] bi t
] [
next-bit
] if ; inline
: bits>integer ( seq -- n )
0 [ [ 1 shift ] dip bitor ] reduce ; inline
: read-bits ( width bitstream -- n width ? )
[
'[ _ read-bit drop ] replicate
[ f = ] trim-tail
[ bits>integer ] [ length ] bi
] 2keep drop over = ;
TUPLE: bitstream-writer < bitstream ;
: <bitstream-writer> ( stream -- bitstream )
bitstream-writer new-bitstream ; inline
: write-bit ( n bitstream -- )
[ 1 shift bitor ] change-current-bits
[ 1+ ] change-#bits
dup #bits>> 8 = [
[ [ current-bits>> ] [ stream>> stream-write1 ] bi ]
[ reset-bitstream drop ] bi
] [
drop
] if ; inline
ERROR: invalid-bit-width n ;
:: write-bits ( n width bitstream -- )
n 0 < [ n invalid-bit-width ] when
n 0 = [
width [ 0 bitstream write-bit ] times
] [
width n log2 1+ dup :> n-length - [ 0 bitstream write-bit ] times
n-length [
n-length swap - 1- neg n swap shift 1 bitand
bitstream write-bit
] each
[ widthed-bits ]
[ [ [ bits>> ] [ #bits>> ] bi ] dip - [ bits ] keep <widthed> ] 2bi
] if ;
: flush-bits ( bitstream -- ) stream>> stream-flush ;
: widthed>bytes ( widthed -- bytes widthed )
[ 8 split-widthed dup zero-widthed? not ]
[ swap bits>> ] B{ } produce-as nip swap ;
: bitstream-output ( bitstream -- bytes ) stream>> >byte-array ;
:: |widthed ( widthed1 widthed2 -- widthed3 )
widthed1 bits>> :> bits1
widthed1 #bits>> :> #bits1
widthed2 bits>> :> bits2
widthed2 #bits>> :> #bits2
bits1 #bits2 shift bits2 bitor
#bits1 #bits2 + <widthed> ;
PRIVATE>
M:: lsb0-bit-writer poke ( value n bs -- )
value n <widthed> :> widthed
widthed
bs widthed>> #bits>> 8 swap - split-widthed :> remainder :> byte
byte bs widthed>> |widthed :> new-byte
new-byte #bits>> 8 = [
new-byte bits>> bs bytes>> push
zero-widthed bs (>>widthed)
remainder widthed>bytes
[ bs bytes>> push-all ] [ bs (>>widthed) ] bi*
] [
byte bs (>>widthed)
] if ;
: enough-bits? ( n bs -- ? )
[ bytes>> length ]
[ byte-pos>> - 8 * ]
[ bit-pos>> - ] tri <= ;
ERROR: not-enough-bits n bit-reader ;
: #bits>#bytes ( #bits -- #bytes )
8 /mod 0 = [ 1 + ] unless ; inline
:: subseq>bits-le ( bignum n bs -- bits )
bignum bs bit-pos>> neg shift n bits ;
:: subseq>bits-be ( bignum n bs -- bits )
bignum
8 bs bit-pos>> - n - 8 mod dup 0 < [ 8 + ] when
neg shift n bits ;
:: adjust-bits ( n bs -- )
n 8 /mod :> #bits :> #bytes
bs [ #bytes + ] change-byte-pos
bit-pos>> #bits + dup 8 >= [
8 - bs (>>bit-pos)
bs [ 1 + ] change-byte-pos drop
] [
bs (>>bit-pos)
] if ;
:: (peek) ( n bs endian> subseq-endian -- bits )
n bs enough-bits? [ n bs not-enough-bits ] unless
bs [ byte-pos>> ] [ bit-pos>> n + ] bi #bits>#bytes dupd +
bs bytes>> subseq endian> execute( seq -- x ) :> bignum
bignum n bs subseq-endian execute( bignum n bs -- bits ) ;
M: lsb0-bit-reader peek ( n bs -- bits ) \ le> \ subseq>bits-le (peek) ;
M: msb0-bit-reader peek ( n bs -- bits ) \ be> \ subseq>bits-be (peek) ;
:: bit-writer-bytes ( writer -- bytes )
writer widthed>> #bits>> :> n
n 0 = [
writer widthed>> bits>> 8 n - shift
writer bytes>> swap push
] unless
writer bytes>> ;

View File

@ -1,13 +1,14 @@
! Copyright (C) 2007, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors compiler cpu.architecture vocabs.loader system
USING: accessors cpu.architecture vocabs.loader system
sequences namespaces parser kernel kernel.private classes
classes.private arrays hashtables vectors classes.tuple sbufs
hashtables.private sequences.private math classes.tuple.private
growable namespaces.private assocs words command-line vocabs io
io.encodings.string libc splitting math.parser memory
compiler.units math.order compiler.tree.builder
compiler.tree.optimizer compiler.cfg.optimizer ;
io.encodings.string libc splitting math.parser memory compiler.units
math.order compiler.tree.builder compiler.tree.optimizer
compiler.cfg.optimizer ;
FROM: compiler => enable-optimizer compile-word ;
IN: bootstrap.compiler
! Don't bring this in when deploying, since it will store a
@ -68,7 +69,7 @@ nl
"." write flush
{
new-sequence nth push pop peek flip
new-sequence nth push pop last flip
} compile-unoptimized
"." write flush

View File

@ -1,15 +1,14 @@
! Copyright (C) 2004, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: alien arrays byte-arrays generic assocs hashtables assocs
hashtables.private io io.binary io.files io.encodings.binary
io.pathnames kernel kernel.private math namespaces make parser
prettyprint sequences sequences.private strings sbufs vectors words
quotations assocs system layouts splitting grouping growable classes
classes.builtin classes.tuple classes.tuple.private vocabs
vocabs.loader source-files definitions debugger quotations.private
sequences.private combinators math.order math.private accessors
slots.private generic.single.private compiler.units compiler.constants
fry bootstrap.image.syntax ;
USING: alien arrays byte-arrays generic hashtables hashtables.private
io io.binary io.files io.encodings.binary io.pathnames kernel
kernel.private math namespaces make parser prettyprint sequences
strings sbufs vectors words quotations assocs system layouts splitting
grouping growable classes classes.builtin classes.tuple
classes.tuple.private vocabs vocabs.loader source-files definitions
debugger quotations.private combinators math.order math.private
accessors slots.private generic.single.private compiler.units
compiler.constants fry bootstrap.image.syntax ;
IN: bootstrap.image
: arch ( os cpu -- arch )

View File

@ -2,7 +2,7 @@
! See http://factorcode.org/license.txt for BSD license.
USING: math math.order math.parser math.functions kernel
sequences io accessors arrays io.streams.string splitting
combinators accessors calendar calendar.format.macros present ;
combinators calendar calendar.format.macros present ;
IN: calendar.format
: pad-00 ( n -- str ) number>string 2 CHAR: 0 pad-head ;

View File

@ -3,7 +3,7 @@
!
! Channels - based on ideas from newsqueak
USING: kernel sequences threads continuations
random math accessors random ;
random math accessors ;
IN: channels
TUPLE: channel receivers senders ;

View File

@ -10,6 +10,6 @@ CONSTANT: adler-32-modulus 65521
M: adler-32 checksum-bytes ( bytes checksum -- value )
drop
[ sum 1+ ]
[ sum 1 + ]
[ [ dup length [1,b] <reversed> v. ] [ length ] bi + ] bi
[ adler-32-modulus mod ] bi@ 16 shift bitor ;

View File

@ -0,0 +1,48 @@
USING: kernel io strings byte-arrays sequences namespaces math
parser checksums.hmac tools.test checksums.md5 checksums.sha
checksums ;
IN: checksums.hmac.tests
[
"\u000092\u000094rz68\u0000bb\u00001c\u000013\u0000f4\u00008e\u0000f8\u000015\u00008b\u0000fc\u00009d"
] [
"Hi There" 16 11 <string> md5 hmac-bytes >string ] unit-test
[ "u\u00000cx>j\u0000b0\u0000b5\u000003\u0000ea\u0000a8n1\n]\u0000b78" ]
[ "what do ya want for nothing?" "Jefe" md5 hmac-bytes >string ] unit-test
[
"V\u0000be4R\u00001d\u000014L\u000088\u0000db\u0000b8\u0000c73\u0000f0\u0000e8\u0000b3\u0000f6"
]
[
50 HEX: dd <repetition>
16 HEX: aa <string> md5 hmac-bytes >string
] unit-test
[
"g[\u00000b:\eM\u0000dfN\u000012Hr\u0000dal/c+\u0000fe\u0000d9W\u0000e9"
] [
"Hi There" 16 11 <string> sha1 hmac-bytes >string
] unit-test
[
"\u0000ef\u0000fc\u0000dfj\u0000e5\u0000eb/\u0000a2\u0000d2t\u000016\u0000d5\u0000f1\u000084\u0000df\u00009c%\u00009a|y"
] [
"what do ya want for nothing?" "Jefe" sha1 hmac-bytes >string
] unit-test
[
"\u0000d70YM\u000016~5\u0000d5\u000095o\u0000d8\0=\r\u0000b3\u0000d3\u0000f4m\u0000c7\u0000bb"
] [
50 HEX: dd <repetition>
16 HEX: aa <string> sha1 hmac-bytes >string
] unit-test
[ "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7" ]
[ "Hi There" 20 HEX: b <string> sha-256 hmac-bytes hex-string ] unit-test
[ "167f928588c5cc2eef8e3093caa0e87c9ff566a14794aa61648d81621a2a40c6" ]
[
"what do ya want for nothing?"
"JefeJefeJefeJefeJefeJefeJefeJefe" sha-256 hmac-bytes hex-string
] unit-test

View File

@ -0,0 +1,38 @@
! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays checksums combinators fry io io.binary
io.encodings.binary io.files io.streams.byte-array kernel
locals math math.vectors memoize sequences ;
IN: checksums.hmac
<PRIVATE
: seq-bitxor ( seq seq -- seq ) [ bitxor ] 2map ;
: opad ( checksum-state -- seq ) block-size>> HEX: 5c <array> ;
: ipad ( checksum-state -- seq ) block-size>> HEX: 36 <array> ;
:: init-key ( checksum key checksum-state -- o i )
checksum-state block-size>> key length <
[ key checksum checksum-bytes ] [ key ] if
checksum-state block-size>> 0 pad-tail
[ checksum-state opad seq-bitxor ]
[ checksum-state ipad seq-bitxor ] bi ;
PRIVATE>
:: hmac-stream ( stream key checksum -- value )
checksum initialize-checksum-state :> checksum-state
checksum key checksum-state init-key :> Ki :> Ko
checksum-state Ki add-checksum-bytes
stream add-checksum-stream get-checksum
checksum initialize-checksum-state
Ko add-checksum-bytes swap add-checksum-bytes
get-checksum ;
: hmac-file ( path key checksum -- value )
[ binary <file-reader> ] 2dip hmac-stream ;
: hmac-bytes ( seq key checksum -- value )
[ binary <byte-reader> ] 2dip hmac-stream ;

View File

@ -0,0 +1 @@
Doug Coleman

View File

@ -0,0 +1,19 @@
! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: tools.test checksums.interleave checksums.sha ;
IN: checksums.interleave.tests
[
B{
59 155 253 205 75 163 94 115 208 42 227 92 181 19 60 232
119 65 178 131 210 48 241 230 204 216 30 156 4 215 80 84 93
206 44 1 18 128 150 153
}
] [
B{
102 83 241 12 26 250 181 76 97 200 37 117 168 74 254 48 216
170 26 58 150 150 179 24 153 146 191 225 203 127 166 167
}
sha1 interleaved-checksum
] unit-test

View File

@ -0,0 +1,17 @@
! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: assocs checksums grouping kernel locals math sequences ;
IN: checksums.interleave
: seq>2seq ( seq -- seq1 seq2 )
#! { abcdefgh } -> { aceg } { bdfh }
2 group flip [ { } { } ] [ first2 ] if-empty ;
: 2seq>seq ( seq1 seq2 -- seq )
#! { aceg } { bdfh } -> { abcdefgh }
[ zip concat ] keep like ;
:: interleaved-checksum ( bytes checksum -- seq )
bytes [ zero? ] trim-head
dup length odd? [ rest-slice ] when
seq>2seq [ checksum checksum-bytes ] bi@ 2seq>seq ;

View File

@ -1,4 +1,6 @@
USING: kernel math namespaces checksums checksums.md5 tools.test byte-arrays ;
USING: byte-arrays checksums checksums.md5 io.encodings.binary
io.streams.byte-array kernel math namespaces tools.test ;
[ "d41d8cd98f00b204e9800998ecf8427e" ] [ "" >byte-array md5 checksum-bytes hex-string ] unit-test
[ "0cc175b9c0f1b6a831c399e269772661" ] [ "a" >byte-array md5 checksum-bytes hex-string ] unit-test
@ -8,3 +10,24 @@ USING: kernel math namespaces checksums checksums.md5 tools.test byte-arrays ;
[ "d174ab98d277d9f5a5611c2c9f419d9f" ] [ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" >byte-array md5 checksum-bytes hex-string ] unit-test
[ "57edf4a22be3c955ac49da2e2107b67a" ] [ "12345678901234567890123456789012345678901234567890123456789012345678901234567890" >byte-array md5 checksum-bytes hex-string ] unit-test
[
t
] [
<md5-state> "asdf" add-checksum-bytes
[ get-checksum ] [ get-checksum ] bi =
] unit-test
[
t
] [
<md5-state> "" add-checksum-bytes
[ get-checksum ] [ get-checksum ] bi =
] unit-test
[
t
] [
<md5-state> "asdf" binary <byte-reader> add-checksum-stream
[ get-checksum ] [ get-checksum ] bi =
] unit-test

View File

@ -1,59 +1,55 @@
! Copyright (C) 2006, 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel io io.binary io.files io.streams.byte-array math
USING: alien.c-types kernel io io.binary io.files io.streams.byte-array math
math.functions math.parser namespaces splitting grouping strings
sequences byte-arrays locals sequences.private macros fry
io.encodings.binary math.bitwise checksums
checksums.common checksums.stream combinators ;
io.encodings.binary math.bitwise checksums accessors
checksums.common checksums.stream combinators combinators.smart
specialized-arrays.uint literals hints ;
IN: checksums.md5
! See http://www.faqs.org/rfcs/rfc1321.html
SINGLETON: md5
INSTANCE: md5 stream-checksum
TUPLE: md5-state < checksum-state state old-state ;
: <md5-state> ( -- md5 )
md5-state new-checksum-state
64 >>block-size
uint-array{ HEX: 67452301 HEX: efcdab89 HEX: 98badcfe HEX: 10325476 }
[ clone >>state ] [ >>old-state ] bi ;
M: md5 initialize-checksum-state drop <md5-state> ;
<PRIVATE
SYMBOLS: a b c d old-a old-b old-c old-d ;
: v-w+ ( v1 v2 -- v3 ) [ w+ ] 2map ;
: T ( N -- Y )
sin abs 32 2^ * >integer ; foldable
: update-md5 ( md5 -- )
[ state>> ] [ old-state>> v-w+ dup clone ] [ ] tri
[ (>>old-state) ] [ (>>state) ] bi ;
: initialize-md5 ( -- )
0 bytes-read set
HEX: 67452301 dup a set old-a set
HEX: efcdab89 dup b set old-b set
HEX: 98badcfe dup c set old-c set
HEX: 10325476 dup d set old-d set ;
CONSTANT: T
$[
80 iota [ sin abs 32 2^ * >integer ] uint-array{ } map-as
]
: update-md ( -- )
old-a a update-old-new
old-b b update-old-new
old-c c update-old-new
old-d d update-old-new ;
:: (ABCD) ( x a b c d k s i func -- )
#! a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s)
a [
b get c get d get func call w+
k x nth-unsafe w+
i T w+
s bitroll-32
b get w+
] change ; inline
: F ( X Y Z -- FXYZ )
:: F ( X Y Z -- FXYZ )
#! F(X,Y,Z) = XY v not(X) Z
pick bitnot bitand [ bitand ] [ bitor ] bi* ;
X Y bitand X bitnot Z bitand bitor ; inline
: G ( X Y Z -- GXYZ )
:: G ( X Y Z -- GXYZ )
#! G(X,Y,Z) = XZ v Y not(Z)
dup bitnot rot bitand [ bitand ] [ bitor ] bi* ;
X Z bitand Y Z bitnot bitand bitor ; inline
: H ( X Y Z -- HXYZ )
#! H(X,Y,Z) = X xor Y xor Z
bitxor bitxor ;
bitxor bitxor ; inline
: I ( X Y Z -- IXYZ )
:: I ( X Y Z -- IXYZ )
#! I(X,Y,Z) = Y xor (X v not(Z))
rot swap bitnot bitor bitxor ;
Z bitnot X bitor Y bitxor ; inline
CONSTANT: S11 7
CONSTANT: S12 12
@ -72,10 +68,27 @@ CONSTANT: S42 10
CONSTANT: S43 15
CONSTANT: S44 21
MACRO: with-md5-round ( ops func -- )
'[ [ _ (ABCD) ] compose ] map '[ _ cleave ] ;
CONSTANT: a 0
CONSTANT: b 1
CONSTANT: c 2
CONSTANT: d 3
: (process-md5-block-F) ( block -- )
:: (ABCD) ( x state a b c d k s i quot -- )
#! a = b + ((a + F(b,c,d) + X[k] + T[i]) <<< s)
a state [
b state nth-unsafe
c state nth-unsafe
d state nth-unsafe quot call w+
k x nth-unsafe w+
i T nth-unsafe w+
s bitroll-32
b state nth-unsafe w+ 32 bits
] change-nth-unsafe ; inline
MACRO: with-md5-round ( ops quot -- )
'[ [ _ (ABCD) ] compose ] map '[ _ 2cleave ] ;
: (process-md5-block-F) ( block state -- )
{
[ a b c d 0 S11 1 ]
[ d a b c 1 S12 2 ]
@ -95,7 +108,7 @@ MACRO: with-md5-round ( ops func -- )
[ b c d a 15 S14 16 ]
} [ F ] with-md5-round ;
: (process-md5-block-G) ( block -- )
: (process-md5-block-G) ( block state -- )
{
[ a b c d 1 S21 17 ]
[ d a b c 6 S22 18 ]
@ -115,7 +128,7 @@ MACRO: with-md5-round ( ops func -- )
[ b c d a 12 S24 32 ]
} [ G ] with-md5-round ;
: (process-md5-block-H) ( block -- )
: (process-md5-block-H) ( block state -- )
{
[ a b c d 5 S31 33 ]
[ d a b c 8 S32 34 ]
@ -135,7 +148,7 @@ MACRO: with-md5-round ( ops func -- )
[ b c d a 2 S34 48 ]
} [ H ] with-md5-round ;
: (process-md5-block-I) ( block -- )
: (process-md5-block-I) ( block state -- )
{
[ a b c d 0 S41 49 ]
[ d a b c 7 S42 50 ]
@ -155,36 +168,54 @@ MACRO: with-md5-round ( ops func -- )
[ b c d a 9 S44 64 ]
} [ I ] with-md5-round ;
: (process-md5-block) ( block -- )
4 <groups> [ le> ] map {
[ (process-md5-block-F) ]
[ (process-md5-block-G) ]
[ (process-md5-block-H) ]
[ (process-md5-block-I) ]
} cleave
HINTS: (process-md5-block-F) { uint-array md5-state } ;
HINTS: (process-md5-block-G) { uint-array md5-state } ;
HINTS: (process-md5-block-H) { uint-array md5-state } ;
HINTS: (process-md5-block-I) { uint-array md5-state } ;
update-md ;
: byte-array>le ( byte-array -- byte-array )
little-endian? [
dup 4 <sliced-groups> [
[ [ 1 2 ] dip exchange-unsafe ]
[ [ 0 3 ] dip exchange-unsafe ] bi
] each
] unless ;
: process-md5-block ( str -- )
dup length [ bytes-read [ + ] change ] keep 64 = [
(process-md5-block)
: byte-array>uint-array-le ( byte-array -- uint-array )
byte-array>le byte-array>uint-array ;
HINTS: byte-array>uint-array-le byte-array ;
: uint-array>byte-array-le ( uint-array -- byte-array )
underlying>> byte-array>le ;
HINTS: uint-array>byte-array-le uint-array ;
M: md5-state checksum-block ( block state -- )
[
[ byte-array>uint-array-le ] [ state>> ] bi* {
[ (process-md5-block-F) ]
[ (process-md5-block-G) ]
[ (process-md5-block-H) ]
[ (process-md5-block-I) ]
} 2cleave
] [
f bytes-read get pad-last-block
[ (process-md5-block) ] each
] if ;
: stream>md5 ( -- )
64 read [ process-md5-block ] keep
length 64 = [ stream>md5 ] when ;
nip update-md5
] 2bi ;
: get-md5 ( -- str )
[ a b c d ] [ get 4 >le ] map concat >byte-array ;
: md5>checksum ( md5 -- bytes ) state>> uint-array>byte-array-le ;
M: md5-state clone ( md5 -- new-md5 )
call-next-method
[ clone ] change-state
[ clone ] change-old-state ;
M: md5-state get-checksum ( md5 -- bytes )
clone [ bytes>> f ] [ bytes-read>> pad-last-block ] [ ] tri
[ [ checksum-block ] curry each ] [ md5>checksum ] bi ;
M: md5 checksum-stream ( stream checksum -- byte-array )
drop
[ <md5-state> ] dip add-checksum-stream get-checksum ;
PRIVATE>
SINGLETON: md5
INSTANCE: md5 stream-checksum
M: md5 checksum-stream ( stream -- byte-array )
drop [ initialize-md5 stream>md5 get-md5 ] with-input-stream ;

View File

@ -30,8 +30,8 @@ ARTICLE: "checksums.openssl" "OpenSSL checksums"
"An error thrown if the digest name is unrecognized:"
{ $subsection unknown-digest }
"An example where we compute the SHA1 checksum of a string using the OpenSSL implementation of SHA1:"
{ $example "USING: byte-arrays checksums checksums.openssl prettyprint ;" "\"hello world\" >byte-array openssl-sha1 checksum-bytes hex-string ." "\"2aae6c35c94fcfb415dbe95f408b9ce91ee846ed\"" }
{ $example "USING: byte-arrays checksums checksums.openssl ;" "\"hello world\" >byte-array openssl-sha1 checksum-bytes hex-string ." "\"2aae6c35c94fcfb415dbe95f408b9ce91ee846ed\"" }
"If we use the Factor implementation, we get the same result, just slightly slower:"
{ $example "USING: byte-arrays checksums checksums.sha1 prettyprint ;" "\"hello world\" >byte-array sha1 checksum-bytes hex-string ." "\"2aae6c35c94fcfb415dbe95f408b9ce91ee846ed\"" } ;
{ $example "USING: byte-arrays checksums checksums.sha ;" "\"hello world\" >byte-array sha1 checksum-bytes hex-string ." "\"2aae6c35c94fcfb415dbe95f408b9ce91ee846ed\"" } ;
ABOUT: "checksums.openssl"

View File

@ -1,6 +1,6 @@
USING: accessors byte-arrays checksums checksums.openssl
combinators.short-circuit kernel system tools.test ;
IN: checksums.openssl.tests
USING: byte-arrays checksums.openssl checksums tools.test
accessors kernel system ;
[
B{ 201 238 222 100 92 200 182 188 138 255 129 163 115 88 240 136 }
@ -22,7 +22,7 @@ accessors kernel system ;
"Bad checksum test" >byte-array
"no such checksum" <openssl-checksum>
checksum-bytes
] [ [ unknown-digest? ] [ name>> "no such checksum" = ] bi and ]
] [ { [ unknown-digest? ] [ name>> "no such checksum" = ] } 1&& ]
must-fail-with
[ ] [ image openssl-sha1 checksum-file drop ] unit-test

View File

@ -0,0 +1,18 @@
USING: help.markup help.syntax ;
IN: checksums.sha
HELP: sha-224
{ $class-description "SHA-224 checksum algorithm." } ;
HELP: sha-256
{ $class-description "SHA-256 checksum algorithm." } ;
ARTICLE: "checksums.sha" "SHA-2 checksum"
"The SHA family of checksum algorithms are one-way hashes useful for checksumming data. SHA-1 is considered insecure, while SHA-2 It is generally considered to be pretty strong." $nl
"SHA-2 checksums:"
{ $subsection sha-224 }
{ $subsection sha-256 }
"SHA-1 checksum:"
{ $subsection sha1 } ;
ABOUT: "checksums.sha"

View File

@ -1,10 +1,18 @@
USING: arrays kernel math namespaces sequences tools.test
checksums.sha2 checksums ;
IN: checksums.sha2.tests
USING: arrays checksums checksums.sha checksums.sha.private
io.encodings.binary io.streams.byte-array kernel math
namespaces sequences tools.test ;
IN: checksums.sha.tests
: test-checksum ( text identifier -- checksum )
checksum-bytes hex-string ;
[ "a9993e364706816aba3e25717850c26c9cd0d89d" ] [ "abc" sha1 checksum-bytes hex-string ] unit-test
[ "84983e441c3bd26ebaae4aa1f95129e5e54670f1" ] [ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" sha1 checksum-bytes hex-string ] unit-test
! [ "34aa973cd4c4daa4f61eeb2bdbad27316534016f" ] [ 1000000 CHAR: a fill string>sha1str ] unit-test ! takes a long time...
[ "dea356a2cddd90c7a7ecedc5ebb563934f460452" ] [ "0123456701234567012345670123456701234567012345670123456701234567"
10 swap <array> concat sha1 checksum-bytes hex-string ] unit-test
[ "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525" ]
[
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
@ -36,7 +44,27 @@ IN: checksums.sha2.tests
] unit-test
! [ "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909" ]
! [ "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" sha-512 test-checksum ] unit-test
[
t
] [
<sha1-state> "asdf" binary <byte-reader> add-checksum-stream
[ get-checksum ] [ get-checksum ] bi =
] unit-test
[
t
] [
<sha-256-state> "asdf" binary <byte-reader> add-checksum-stream
[ get-checksum ] [ get-checksum ] bi =
] unit-test
[
t
] [
<sha-224-state> "asdf" binary <byte-reader> add-checksum-stream
[ get-checksum ] [ get-checksum ] bi =
] unit-test

View File

@ -3,16 +3,40 @@
USING: kernel splitting grouping math sequences namespaces make
io.binary math.bitwise checksums checksums.common
sbufs strings combinators.smart math.ranges fry combinators
accessors locals ;
IN: checksums.sha2
accessors locals checksums.stream multiline literals
generalizations ;
IN: checksums.sha
SINGLETON: sha1
INSTANCE: sha1 stream-checksum
SINGLETON: sha-224
SINGLETON: sha-256
INSTANCE: sha-224 checksum
INSTANCE: sha-256 checksum
INSTANCE: sha-224 stream-checksum
INSTANCE: sha-256 stream-checksum
TUPLE: sha2-state K H word-size block-size ;
TUPLE: sha1-state < checksum-state K H W word-size ;
CONSTANT: initial-H-sha1
{
HEX: 67452301
HEX: efcdab89
HEX: 98badcfe
HEX: 10325476
HEX: c3d2e1f0
}
CONSTANT: K-sha1
$[
20 HEX: 5a827999 <repetition>
20 HEX: 6ed9eba1 <repetition>
20 HEX: 8f1bbcdc <repetition>
20 HEX: ca62c1d6 <repetition>
4 { } nappend-as
]
TUPLE: sha2-state < checksum-state K H word-size ;
TUPLE: sha2-short < sha2-state ;
@ -22,6 +46,11 @@ TUPLE: sha-224-state < sha2-short ;
TUPLE: sha-256-state < sha2-short ;
M: sha2-state clone
call-next-method
[ clone ] change-H
[ clone ] change-K ;
<PRIVATE
CONSTANT: a 0
@ -116,6 +145,33 @@ CONSTANT: K-384
ALIAS: K-512 K-384
: <sha1-state> ( -- sha1-state )
sha1-state new-checksum-state
64 >>block-size
K-sha1 >>K
initial-H-sha1 >>H
4 >>word-size ;
: <sha-224-state> ( -- sha2-state )
sha-224-state new-checksum-state
64 >>block-size
K-256 >>K
initial-H-224 >>H
4 >>word-size ;
: <sha-256-state> ( -- sha2-state )
sha-256-state new-checksum-state
64 >>block-size
K-256 >>K
initial-H-256 >>H
4 >>word-size ;
M: sha1 initialize-checksum-state drop <sha1-state> ;
M: sha-224 initialize-checksum-state drop <sha-224-state> ;
M: sha-256 initialize-checksum-state drop <sha-256-state> ;
: s0-256 ( x -- x' )
[
[ -7 bitroll-32 ]
@ -172,7 +228,7 @@ ALIAS: K-512 K-384
[ -41 bitroll-64 ] tri
] [ bitxor ] reduce-outputs ; inline
: process-M-256 ( n seq -- )
: prepare-M-256 ( n seq -- )
{
[ [ 16 - ] dip nth ]
[ [ 15 - ] dip nth s0-256 ]
@ -181,7 +237,7 @@ ALIAS: K-512 K-384
[ ]
} 2cleave set-nth ; inline
: process-M-512 ( n seq -- )
: prepare-M-512 ( n seq -- )
{
[ [ 16 - ] dip nth ]
[ [ 15 - ] dip nth s0-512 ]
@ -201,26 +257,6 @@ ALIAS: K-512 K-384
GENERIC: pad-initial-bytes ( string sha2 -- padded-string )
M: sha2-short pad-initial-bytes ( string sha2 -- padded-string )
drop
dup [
HEX: 80 ,
length
[ 64 mod calculate-pad-length 0 <string> % ]
[ 3 shift 8 >be % ] bi
] "" make append ;
M: sha2-long pad-initial-bytes ( string sha2 -- padded-string )
drop dup [
HEX: 80 ,
length
[ 128 mod calculate-pad-length-long 0 <string> % ]
[ 3 shift 8 >be % ] bi
] "" make append ;
: seq>byte-array ( seq n -- string )
'[ _ >be ] map B{ } join ;
:: T1-256 ( n M H sha2 -- T1 )
n M nth
n sha2 K>> nth +
@ -257,7 +293,7 @@ M: sha2-long pad-initial-bytes ( string sha2 -- padded-string )
[ word-size>> <sliced-groups> [ be> ] map ]
[
block-size>> [ 0 pad-tail 16 ] keep [a,b) over
'[ _ process-M-256 ] each
'[ _ prepare-M-256 ] each
] bi ; inline
:: process-chunk ( M block-size cloned-H sha2 -- )
@ -266,41 +302,110 @@ M: sha2-long pad-initial-bytes ( string sha2 -- padded-string )
cloned-H T2-256
cloned-H update-H
] each
cloned-H sha2 H>> [ w+ ] 2map sha2 (>>H) ; inline
sha2 [ cloned-H [ w+ ] 2map ] change-H drop ; inline
: sha2-steps ( sliced-groups state -- )
'[
_
[ prepare-message-schedule ]
[ [ block-size>> ] [ H>> clone ] [ ] tri process-chunk ] bi
] each ;
M: sha2-short checksum-block
[ prepare-message-schedule ]
[ [ block-size>> ] [ H>> clone ] [ ] tri process-chunk ] bi ;
: byte-array>sha2 ( bytes state -- )
[ [ pad-initial-bytes ] [ nip block-size>> ] 2bi <sliced-groups> ]
[ sha2-steps ] bi ;
: seq>byte-array ( seq n -- string )
'[ _ >be ] map B{ } join ;
: <sha-224-state> ( -- sha2-state )
sha-224-state new
K-256 >>K
initial-H-224 >>H
4 >>word-size
64 >>block-size ;
: sha1>checksum ( sha2 -- bytes )
H>> 4 seq>byte-array ;
: <sha-256-state> ( -- sha2-state )
sha-256-state new
K-256 >>K
initial-H-256 >>H
4 >>word-size
64 >>block-size ;
: sha-224>checksum ( sha2 -- bytes )
H>> 7 head 4 seq>byte-array ;
: sha-256>checksum ( sha2 -- bytes )
H>> 4 seq>byte-array ;
: pad-last-short-block ( state -- )
[ bytes>> t ] [ bytes-read>> pad-last-block ] [ ] tri
[ checksum-block ] curry each ;
PRIVATE>
M: sha-224 checksum-bytes
drop <sha-224-state>
[ byte-array>sha2 ]
[ H>> 7 head 4 seq>byte-array ] bi ;
M: sha-224-state get-checksum
clone
[ pad-last-short-block ] [ sha-224>checksum ] bi ;
M: sha-256 checksum-bytes
drop <sha-256-state>
[ byte-array>sha2 ]
[ H>> 4 seq>byte-array ] bi ;
M: sha-256-state get-checksum
clone
[ pad-last-short-block ] [ sha-256>checksum ] bi ;
M: sha-224 checksum-stream ( stream checksum -- byte-array )
drop
[ <sha-224-state> ] dip add-checksum-stream get-checksum ;
M: sha-256 checksum-stream ( stream checksum -- byte-array )
drop
[ <sha-256-state> ] dip add-checksum-stream get-checksum ;
: sha1-W ( t seq -- )
{
[ [ 3 - ] dip nth ]
[ [ 8 - ] dip nth bitxor ]
[ [ 14 - ] dip nth bitxor ]
[ [ 16 - ] dip nth bitxor 1 bitroll-32 ]
[ ]
} 2cleave set-nth ;
: prepare-sha1-message-schedule ( seq -- w-seq )
4 <sliced-groups> [ be> ] map
80 0 pad-tail 16 80 [a,b) over
'[ _ sha1-W ] each ; inline
: sha1-f ( B C D n -- f_nbcd )
20 /i
{
{ 0 [ [ over bitnot ] dip bitand [ bitand ] dip bitor ] }
{ 1 [ bitxor bitxor ] }
{ 2 [ 2dup bitand [ pick bitand [ bitand ] dip ] dip bitor bitor ] }
{ 3 [ bitxor bitxor ] }
} case ;
:: inner-loop ( n H W K -- temp )
a H nth :> A
b H nth :> B
c H nth :> C
d H nth :> D
e H nth :> E
[
A 5 bitroll-32
B C D n sha1-f
E
n K nth
n W nth
] sum-outputs 32 bits ;
:: process-sha1-chunk ( bytes H W K state -- )
80 [
H W K inner-loop
d H nth e H set-nth
c H nth d H set-nth
b H nth 30 bitroll-32 c H set-nth
a H nth b H set-nth
a H set-nth
] each
state [ H [ w+ ] 2map ] change-H drop ; inline
M:: sha1-state checksum-block ( bytes state -- )
bytes prepare-sha1-message-schedule state (>>W)
bytes
state [ H>> clone ] [ W>> ] [ K>> ] tri state process-sha1-chunk ;
M: sha1-state get-checksum
clone
[ pad-last-short-block ] [ sha-256>checksum ] bi ;
M: sha1 checksum-stream ( stream checksum -- byte-array )
drop
[ <sha1-state> ] dip add-checksum-stream get-checksum ;

View File

@ -0,0 +1 @@
SHA checksum algorithms

View File

@ -1,11 +0,0 @@
USING: help.markup help.syntax ;
IN: checksums.sha1
HELP: sha1
{ $class-description "SHA1 checksum algorithm." } ;
ARTICLE: "checksums.sha1" "SHA1 checksum"
"The SHA1 checksum algorithm implements a one-way hash function. It is generally considered to be stronger than MD5, however there is a known algorithm for finding collisions more effectively than a brute-force search (" { $url "http://www.schneier.com/blog/archives/2005/02/sha1_broken.html" } ")."
{ $subsection sha1 } ;
ABOUT: "checksums.sha1"

View File

@ -1,14 +0,0 @@
USING: arrays kernel math namespaces sequences tools.test checksums checksums.sha1 ;
[ "a9993e364706816aba3e25717850c26c9cd0d89d" ] [ "abc" sha1 checksum-bytes hex-string ] unit-test
[ "84983e441c3bd26ebaae4aa1f95129e5e54670f1" ] [ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" sha1 checksum-bytes hex-string ] unit-test
! [ "34aa973cd4c4daa4f61eeb2bdbad27316534016f" ] [ 1000000 CHAR: a fill string>sha1str ] unit-test ! takes a long time...
[ "dea356a2cddd90c7a7ecedc5ebb563934f460452" ] [ "0123456701234567012345670123456701234567012345670123456701234567"
10 swap <array> concat sha1 checksum-bytes hex-string ] unit-test
[
";\u00009b\u0000fd\u0000cdK\u0000a3^s\u0000d0*\u0000e3\\\u0000b5\u000013<\u0000e8wA\u0000b2\u000083\u0000d20\u0000f1\u0000e6\u0000cc\u0000d8\u00001e\u00009c\u000004\u0000d7PT]\u0000ce,\u000001\u000012\u000080\u000096\u000099"
] [
"\u000066\u000053\u0000f1\u00000c\u00001a\u0000fa\u0000b5\u00004c\u000061\u0000c8\u000025\u000075\u0000a8\u00004a\u0000fe\u000030\u0000d8\u0000aa\u00001a\u00003a\u000096\u000096\u0000b3\u000018\u000099\u000092\u0000bf\u0000e1\u0000cb\u00007f\u0000a6\u0000a7"
sha1-interleave
] unit-test

View File

@ -1,134 +0,0 @@
! Copyright (C) 2006, 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays combinators kernel io io.encodings.binary io.files
io.streams.byte-array math.vectors strings sequences namespaces
make math parser sequences assocs grouping vectors io.binary
hashtables math.bitwise checksums checksums.common
checksums.stream ;
IN: checksums.sha1
! Implemented according to RFC 3174.
SYMBOLS: h0 h1 h2 h3 h4 A B C D E w K ;
: get-wth ( n -- wth ) w get nth ; inline
: shift-wth ( n -- x ) get-wth 1 bitroll-32 ; inline
: initialize-sha1 ( -- )
0 bytes-read set
HEX: 67452301 dup h0 set A set
HEX: efcdab89 dup h1 set B set
HEX: 98badcfe dup h2 set C set
HEX: 10325476 dup h3 set D set
HEX: c3d2e1f0 dup h4 set E set
[
20 HEX: 5a827999 <array> %
20 HEX: 6ed9eba1 <array> %
20 HEX: 8f1bbcdc <array> %
20 HEX: ca62c1d6 <array> %
] { } make K set ;
! W(t) = S^1(W(t-3) XOR W(t-8) XOR W(t-14) XOR W(t-16))
: sha1-W ( t -- W_t )
dup 3 - get-wth
over 8 - get-wth bitxor
over 14 - get-wth bitxor
swap 16 - get-wth bitxor 1 bitroll-32 ;
! f(t;B,C,D) = (B AND C) OR ((NOT B) AND D) ( 0 <= t <= 19)
! f(t;B,C,D) = B XOR C XOR D (20 <= t <= 39)
! f(t;B,C,D) = (B AND C) OR (B AND D) OR (C AND D) (40 <= t <= 59)
! f(t;B,C,D) = B XOR C XOR D (60 <= t <= 79)
: sha1-f ( B C D t -- f_tbcd )
20 /i
{
{ 0 [ [ over bitnot ] dip bitand [ bitand ] dip bitor ] }
{ 1 [ bitxor bitxor ] }
{ 2 [ 2dup bitand [ pick bitand [ bitand ] dip ] dip bitor bitor ] }
{ 3 [ bitxor bitxor ] }
} case ;
: nth-int-be ( string n -- int )
4 * dup 4 + rot <slice> be> ; inline
: make-w ( str -- )
#! compute w, steps a-b of RFC 3174, section 6.1
16 [ nth-int-be w get push ] with each
16 80 dup <slice> [ sha1-W w get push ] each ;
: init-letters ( -- )
! step c of RFC 3174, section 6.1
h0 get A set
h1 get B set
h2 get C set
h3 get D set
h4 get E set ;
: inner-loop ( n -- temp )
! TEMP = S^5(A) + f(t;B,C,D) + E + W(t) + K(t);
[
[ B get C get D get ] keep sha1-f ,
dup get-wth ,
K get nth ,
A get 5 bitroll-32 ,
E get ,
] { } make sum 32 bits ; inline
: set-vars ( temp -- )
! E = D; D = C; C = S^30(B); B = A; A = TEMP;
D get E set
C get D set
B get 30 bitroll-32 C set
A get B set
A set ;
: calculate-letters ( -- )
! step d of RFC 3174, section 6.1
80 [ inner-loop set-vars ] each ;
: update-hs ( -- )
! step e of RFC 3174, section 6.1
A h0 update-old-new
B h1 update-old-new
C h2 update-old-new
D h3 update-old-new
E h4 update-old-new ;
: (process-sha1-block) ( str -- )
80 <vector> w set make-w init-letters calculate-letters update-hs ;
: process-sha1-block ( str -- )
dup length [ bytes-read [ + ] change ] keep 64 = [
(process-sha1-block)
] [
t bytes-read get pad-last-block
[ (process-sha1-block) ] each
] if ;
: stream>sha1 ( -- )
64 read [ process-sha1-block ] keep
length 64 = [ stream>sha1 ] when ;
: get-sha1 ( -- str )
[ [ h0 h1 h2 h3 h4 ] [ get 4 >be % ] each ] "" make ;
SINGLETON: sha1
INSTANCE: sha1 stream-checksum
M: sha1 checksum-stream ( stream -- sha1 )
drop [ initialize-sha1 stream>sha1 get-sha1 ] with-input-stream ;
: seq>2seq ( seq -- seq1 seq2 )
#! { abcdefgh } -> { aceg } { bdfh }
2 group flip [ { } { } ] [ first2 ] if-empty ;
: 2seq>seq ( seq1 seq2 -- seq )
#! { aceg } { bdfh } -> { abcdefgh }
[ zip concat ] keep like ;
: sha1-interleave ( string -- seq )
[ zero? ] trim-head
dup length odd? [ rest ] when
seq>2seq [ sha1 checksum-bytes ] bi@
2seq>seq ;

View File

@ -1 +0,0 @@
SHA1 checksum algorithm

View File

@ -1,11 +0,0 @@
USING: help.markup help.syntax ;
IN: checksums.sha2
HELP: sha-256
{ $class-description "SHA-256 checksum algorithm." } ;
ARTICLE: "checksums.sha2" "SHA2 checksum"
"The SHA2 checksum algorithm implements a one-way hash function. It is generally considered to be pretty strong."
{ $subsection sha-256 } ;
ABOUT: "checksums.sha2"

View File

@ -1 +0,0 @@
SHA2 checksum algorithm

View File

@ -43,6 +43,11 @@ HELP: push-growing-circular
{ "elt" object } { "circular" circular } }
{ $description "Pushes an element onto a " { $link growing-circular } " object." } ;
HELP: rotate-circular
{ $values
{ "circular" circular } }
{ $description "Advances the start index of a circular object by one." } ;
ARTICLE: "circular" "Circular sequences"
"The " { $vocab-link "circular" } " vocabulary implements the " { $link "sequence-protocol" } " to allow an arbitrary start index and wrap-around indexing." $nl
"Creating a new circular object:"
@ -51,6 +56,7 @@ ARTICLE: "circular" "Circular sequences"
{ $subsection <growing-circular> }
"Changing the start index:"
{ $subsection change-circular-start }
{ $subsection rotate-circular }
"Pushing new elements:"
{ $subsection push-circular }
{ $subsection push-growing-circular } ;

View File

@ -12,6 +12,7 @@ circular strings ;
[ CHAR: e ] [ "test" <circular> 5 swap nth-unsafe ] unit-test
[ [ 1 2 3 ] ] [ { 1 2 3 } <circular> [ ] like ] unit-test
[ [ 2 3 1 ] ] [ { 1 2 3 } <circular> [ rotate-circular ] keep [ ] like ] unit-test
[ [ 2 3 1 ] ] [ { 1 2 3 } <circular> 1 over change-circular-start [ ] like ] unit-test
[ [ 3 1 2 ] ] [ { 1 2 3 } <circular> 1 over change-circular-start 1 over change-circular-start [ ] like ] unit-test
[ [ 3 1 2 ] ] [ { 1 2 3 } <circular> -100 over change-circular-start [ ] like ] unit-test

View File

@ -27,6 +27,9 @@ M: circular virtual-seq seq>> ;
#! change start to (start + n) mod length
circular-wrap (>>start) ;
: rotate-circular ( circular -- )
[ start>> 1 + ] keep circular-wrap (>>start) ;
: push-circular ( elt circular -- )
[ set-first ] [ 1 swap change-circular-start ] bi ;
@ -43,13 +46,13 @@ M: growing-circular length length>> ;
: full? ( circular -- ? )
[ length ] [ seq>> length ] bi = ;
: set-peek ( elt seq -- )
: set-last ( elt seq -- )
[ length 1- ] keep set-nth ;
PRIVATE>
: push-growing-circular ( elt circular -- )
dup full? [ push-circular ]
[ [ 1+ ] change-length set-peek ] if ;
[ [ 1+ ] change-length set-last ] if ;
: <growing-circular> ( capacity -- growing-circular )
{ } new-sequence 0 0 growing-circular boa ;

View File

@ -2,9 +2,9 @@
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien alien.c-types alien.strings arrays assocs
continuations combinators compiler compiler.alien stack-checker kernel
math namespaces make parser quotations sequences strings words
math namespaces make quotations sequences strings words
cocoa.runtime io macros memoize io.encodings.utf8 effects libc
libc.private parser lexer init core-foundation fry generalizations
libc.private lexer init core-foundation fry generalizations
specialized-arrays.direct.alien ;
IN: cocoa.messages

View File

@ -69,6 +69,4 @@ SYMBOL: main-vocab-hook
: ignore-cli-args? ( -- ? )
os macosx? "run" get "ui" = and ;
: script-mode ( -- ) ;
[ default-cli-args ] "command-line" add-init-hook

View File

@ -1,56 +1 @@
USING: compiler.cfg.instructions compiler.cfg.registers
compiler.cfg.alias-analysis compiler.cfg.debugger
cpu.architecture tools.test kernel ;
IN: compiler.cfg.alias-analysis.tests
[ ] [
{
T{ ##peek f V int-regs 2 D 1 f }
T{ ##box-alien f V int-regs 1 V int-regs 2 }
T{ ##slot-imm f V int-regs 3 V int-regs 1 0 3 }
} alias-analysis drop
] unit-test
[ ] [
{
T{ ##load-reference f V int-regs 1 "hello" }
T{ ##slot-imm f V int-regs 0 V int-regs 1 0 3 }
} alias-analysis drop
] unit-test
[
{
T{ ##peek f V int-regs 1 D 1 f }
T{ ##peek f V int-regs 2 D 2 f }
T{ ##replace f V int-regs 1 D 0 f }
}
] [
{
T{ ##peek f V int-regs 1 D 1 f }
T{ ##peek f V int-regs 2 D 2 f }
T{ ##replace f V int-regs 2 D 0 f }
T{ ##replace f V int-regs 1 D 0 f }
} alias-analysis
] unit-test
[
{
T{ ##peek f V int-regs 1 D 1 f }
T{ ##peek f V int-regs 2 D 0 f }
T{ ##copy f V int-regs 3 V int-regs 2 f }
T{ ##copy f V int-regs 4 V int-regs 1 f }
T{ ##replace f V int-regs 3 D 0 f }
T{ ##replace f V int-regs 4 D 1 f }
}
] [
{
T{ ##peek f V int-regs 1 D 1 f }
T{ ##peek f V int-regs 2 D 0 f }
T{ ##replace f V int-regs 1 D 0 f }
T{ ##replace f V int-regs 2 D 1 f }
T{ ##peek f V int-regs 3 D 1 f }
T{ ##peek f V int-regs 4 D 0 f }
T{ ##replace f V int-regs 3 D 0 f }
T{ ##replace f V int-regs 4 D 1 f }
} alias-analysis
] unit-test

View File

@ -1,15 +1,13 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel math namespaces assocs hashtables sequences arrays
accessors vectors combinators sets classes compiler.cfg
compiler.cfg.registers compiler.cfg.instructions
compiler.cfg.copy-prop ;
compiler.cfg.copy-prop compiler.cfg.rpo
compiler.cfg.liveness compiler.cfg.local ;
IN: compiler.cfg.alias-analysis
! Alias analysis -- assumes compiler.cfg.height has already run.
!
! We try to eliminate redundant slot and stack
! traffic using some simple heuristics.
! We try to eliminate redundant slot operations using some simple heuristics.
!
! All heap-allocated objects which are loaded from the stack, or
! other object slots are pessimistically assumed to belong to
@ -17,9 +15,6 @@ IN: compiler.cfg.alias-analysis
!
! Freshly-allocated objects get their own alias class.
!
! The data and retain stack pointer registers are treated
! uniformly, and each one gets its own alias class.
!
! Simple pseudo-C example showing load elimination:
!
! int *x, *y, z: inputs
@ -68,15 +63,14 @@ IN: compiler.cfg.alias-analysis
! Map vregs -> alias classes
SYMBOL: vregs>acs
: check ( obj -- obj )
[ "BUG: static type error detected" throw ] unless* ; inline
ERROR: vreg-ac-not-set vreg ;
: vreg>ac ( vreg -- ac )
#! Only vregs produced by ##allot, ##peek and ##slot can
#! ever be used as valid inputs to ##slot and ##set-slot,
#! so we assert this fact by not giving alias classes to
#! other vregs.
vregs>acs get at check ;
vregs>acs get ?at [ vreg-ac-not-set ] unless ;
! Map alias classes -> sequence of vregs
SYMBOL: acs>vregs
@ -122,8 +116,10 @@ SYMBOL: histories
#! value.
over [ live-slots get at at ] [ 2drop f ] if ;
ERROR: vreg-has-no-slots vreg ;
: load-constant-slot ( value slot# vreg -- )
live-slots get at check set-at ;
live-slots get ?at [ vreg-has-no-slots ] unless set-at ;
: load-slot ( value slot#/f vreg -- )
over [ load-constant-slot ] [ 3drop ] if ;
@ -165,7 +161,7 @@ SYMBOL: heap-ac
: record-constant-set-slot ( slot# vreg -- )
history [
dup empty? [ dup peek store? [ dup pop* ] when ] unless
dup empty? [ dup last store? [ dup pop* ] when ] unless
store new-action swap ?push
] change-at ;
@ -189,67 +185,49 @@ SYMBOL: constants
GENERIC: insn-slot# ( insn -- slot#/f )
GENERIC: insn-object ( insn -- vreg )
M: ##peek insn-slot# loc>> n>> ;
M: ##replace insn-slot# loc>> n>> ;
M: ##slot insn-slot# slot>> constant ;
M: ##slot-imm insn-slot# slot>> ;
M: ##set-slot insn-slot# slot>> constant ;
M: ##set-slot-imm insn-slot# slot>> ;
M: ##alien-global insn-slot# [ library>> ] [ symbol>> ] bi 2array ;
M: ##peek insn-object loc>> class ;
M: ##replace insn-object loc>> class ;
M: ##slot insn-object obj>> resolve ;
M: ##slot-imm insn-object obj>> resolve ;
M: ##set-slot insn-object obj>> resolve ;
M: ##set-slot-imm insn-object obj>> resolve ;
M: ##alien-global insn-object drop \ ##alien-global ;
: init-alias-analysis ( -- )
: init-alias-analysis ( live-in -- )
H{ } clone histories set
H{ } clone vregs>acs set
H{ } clone acs>vregs set
H{ } clone live-slots set
H{ } clone constants set
H{ } clone copies set
0 ac-counter set
next-ac heap-ac set
ds-loc next-ac set-ac
rs-loc next-ac set-ac ;
[ set-heap-ac ] each ;
GENERIC: analyze-aliases* ( insn -- insn' )
M: ##load-immediate analyze-aliases*
dup [ val>> ] [ dst>> ] bi constants get set-at ;
M: ##load-reference analyze-aliases*
M: ##flushable analyze-aliases*
dup dst>> set-heap-ac ;
M: ##alien-global analyze-aliases*
dup dst>> set-heap-ac ;
M: ##allot analyze-aliases*
#! A freshly allocated object is distinct from any other
#! object.
dup dst>> set-new-ac ;
M: ##box-float analyze-aliases*
#! A freshly allocated object is distinct from any other
#! object.
dup dst>> set-new-ac ;
M: ##box-alien analyze-aliases*
M: ##allocation analyze-aliases*
#! A freshly allocated object is distinct from any other
#! object.
dup dst>> set-new-ac ;
M: ##read analyze-aliases*
dup dst>> set-heap-ac
call-next-method
dup [ dst>> ] [ insn-slot# ] [ insn-object ] tri
2dup live-slot dup [
2nip f \ ##copy boa analyze-aliases* nip
2nip \ ##copy new-insn analyze-aliases* nip
] [
drop remember-slot
] if ;
@ -292,15 +270,6 @@ GENERIC: eliminate-dead-stores* ( insn -- insn' )
] unless
] when ;
M: ##replace eliminate-dead-stores*
#! Writes to above the top of the stack can be pruned also.
#! This is sound since any such writes are not observable
#! after the basic block, and any reads of those locations
#! will have been converted to copies by analyze-slot,
#! and the final stack height of the basic block is set at
#! the beginning by compiler.cfg.stack.
dup loc>> n>> 0 < [ drop f ] [ (eliminate-dead-stores) ] if ;
M: ##set-slot eliminate-dead-stores* (eliminate-dead-stores) ;
M: ##set-slot-imm eliminate-dead-stores* (eliminate-dead-stores) ;
@ -310,8 +279,10 @@ M: insn eliminate-dead-stores* ;
: eliminate-dead-stores ( insns -- insns' )
[ insn# set eliminate-dead-stores* ] map-index sift ;
: alias-analysis ( insns -- insns' )
init-alias-analysis
: alias-analysis-step ( insns -- insns' )
analyze-aliases
compute-live-stores
eliminate-dead-stores ;
: alias-analysis ( cfg -- cfg' )
[ init-alias-analysis ] [ alias-analysis-step ] local-optimization ;

View File

@ -81,30 +81,35 @@ GENERIC: emit-node ( node -- next )
basic-block get successors>> push
stop-iterating ;
: emit-call ( word -- next )
: emit-call ( word height -- next )
{
{ [ dup loops get key? ] [ loops get at local-recursive-call ] }
{ [ over loops get key? ] [ drop loops get at local-recursive-call ] }
{ [ terminate-call? ] [ ##call stop-iterating ] }
{ [ tail-call? not ] [ ##call ##branch begin-basic-block iterate-next ] }
{ [ dup current-label get eq? ] [ drop first-basic-block get local-recursive-call ] }
[ ##epilogue ##jump stop-iterating ]
{ [ dup current-label get eq? ] [ 2drop first-basic-block get local-recursive-call ] }
[ drop ##epilogue ##jump stop-iterating ]
} cond ;
! #recursive
: compile-recursive ( node -- next )
[ label>> id>> emit-call ]
: recursive-height ( #recursive -- n )
[ label>> return>> in-d>> length ] [ in-d>> length ] bi - ;
: emit-recursive ( #recursive -- next )
[ [ label>> id>> ] [ recursive-height ] bi emit-call ]
[ [ child>> ] [ label>> word>> ] [ label>> id>> ] tri (build-cfg) ] bi ;
: remember-loop ( label -- )
basic-block get swap loops get set-at ;
: compile-loop ( node -- next )
: emit-loop ( node -- next )
##loop-entry
##branch
begin-basic-block
[ label>> id>> remember-loop ] [ child>> emit-nodes ] bi
iterate-next ;
M: #recursive emit-node
dup label>> loop?>> [ compile-loop ] [ compile-recursive ] if ;
dup label>> loop?>> [ emit-loop ] [ emit-recursive ] if ;
! #if
: emit-branch ( obj -- final-bb )
@ -154,65 +159,16 @@ M: #if emit-node
} cond iterate-next ;
! #dispatch
: trivial-dispatch-branch? ( nodes -- ? )
dup length 1 = [
first dup #call? [
word>> "intrinsic" word-prop not
] [ drop f ] if
] [ drop f ] if ;
: dispatch-branch ( nodes word -- label )
over trivial-dispatch-branch? [
drop first word>>
] [
gensym [
[
V{ } clone node-stack set
##prologue
begin-basic-block
emit-nodes
basic-block get [
##epilogue
##return
end-basic-block
] when
] with-cfg-builder
] keep
] if ;
: dispatch-branches ( node -- )
children>> [
current-word get dispatch-branch
##dispatch-label
] each ;
: emit-dispatch ( node -- )
##epilogue
ds-pop ^^offset>slot i 0 ##dispatch
dispatch-branches ;
: <dispatch-block> ( -- word )
gensym dup t "inlined-block" set-word-prop ;
M: #dispatch emit-node
tail-call? [
emit-dispatch stop-iterating
] [
current-word get <dispatch-block> [
[
begin-word
emit-dispatch
] with-cfg-builder
] keep emit-call
] if ;
ds-pop ^^offset>slot i ##dispatch emit-if iterate-next ;
! #call
M: #call emit-node
dup word>> dup "intrinsic" word-prop
[ emit-intrinsic ] [ nip emit-call ] if ;
[ emit-intrinsic ] [ swap call-height emit-call ] if ;
! #call-recursive
M: #call-recursive emit-node label>> id>> emit-call ;
M: #call-recursive emit-node [ label>> id>> ] [ call-height ] bi emit-call ;
! #push
M: #push emit-node

View File

@ -1,6 +1,7 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel arrays vectors accessors namespaces ;
USING: kernel arrays vectors accessors
namespaces make fry sequences ;
IN: compiler.cfg
TUPLE: basic-block < identity-tuple
@ -10,18 +11,27 @@ number
{ successors vector }
{ predecessors vector } ;
: <basic-block> ( -- basic-block )
M: basic-block hashcode* nip id>> ;
: <basic-block> ( -- bb )
basic-block new
V{ } clone >>instructions
V{ } clone >>successors
V{ } clone >>predecessors
\ basic-block counter >>id ;
TUPLE: cfg { entry basic-block } word label ;
: add-instructions ( bb quot -- )
[ instructions>> building ] dip '[
building get pop
_ dip
building get push
] with-variable ; inline
C: <cfg> cfg
TUPLE: cfg { entry basic-block } word label spill-counts post-order ;
TUPLE: mr { instructions array } word label spill-counts ;
: <cfg> ( entry word label -- cfg ) f f cfg boa ;
TUPLE: mr { instructions array } word label ;
: <mr> ( instructions word label -- mr )
mr new

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,58 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel compiler.cfg.instructions compiler.cfg.rpo
compiler.cfg.def-use compiler.cfg.linearization compiler.cfg.liveness
combinators.short-circuit accessors math sequences sets assocs ;
IN: compiler.cfg.checker
ERROR: last-insn-not-a-jump insn ;
: check-last-instruction ( bb -- )
last dup {
[ ##branch? ]
[ ##dispatch? ]
[ ##conditional-branch? ]
[ ##compare-imm-branch? ]
[ ##return? ]
[ ##callback-return? ]
[ ##jump? ]
[ ##call? ]
} 1|| [ drop ] [ last-insn-not-a-jump ] if ;
ERROR: bad-loop-entry ;
: check-loop-entry ( bb -- )
dup length 2 >= [
2 head* [ ##loop-entry? ] any?
[ bad-loop-entry ] when
] [ drop ] if ;
ERROR: bad-successors ;
: check-successors ( bb -- )
dup successors>> [ predecessors>> memq? ] with all?
[ bad-successors ] unless ;
: check-basic-block ( bb -- )
[ instructions>> check-last-instruction ]
[ instructions>> check-loop-entry ]
[ check-successors ]
tri ;
ERROR: bad-live-in ;
ERROR: undefined-values uses defs ;
: check-mr ( mr -- )
! Check that every used register has a definition
instructions>>
[ [ uses-vregs ] map concat ]
[ [ [ defs-vregs ] [ temp-vregs ] bi append ] map concat ] bi
2dup subset? [ 2drop ] [ undefined-values ] if ;
: check-cfg ( cfg -- )
compute-liveness
[ entry>> live-in assoc-empty? [ bad-live-in ] unless ]
[ [ check-basic-block ] each-basic-block ]
[ flatten-cfg check-mr ]
tri ;

View File

@ -6,7 +6,7 @@ IN: compiler.cfg.copy-prop
SYMBOL: copies
: resolve ( vreg -- vreg )
dup copies get at swap or ;
[ copies get at ] keep or ;
: record-copy ( insn -- )
[ src>> resolve ] [ dst>> ] bi copies get set-at ; inline

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,45 @@
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs sets kernel namespaces sequences
compiler.cfg.instructions compiler.cfg.def-use
compiler.cfg.rpo ;
IN: compiler.cfg.dce
! Maps vregs to sequences of vregs
SYMBOL: liveness-graph
! vregs which participate in side effects and thus are always live
SYMBOL: live-vregs
: init-dead-code ( -- )
H{ } clone liveness-graph set
H{ } clone live-vregs set ;
GENERIC: update-liveness-graph ( insn -- )
M: ##flushable update-liveness-graph
[ uses-vregs ] [ dst>> ] bi liveness-graph get set-at ;
: record-live ( vregs -- )
[
dup live-vregs get key? [ drop ] [
[ live-vregs get conjoin ]
[ liveness-graph get at record-live ]
bi
] if
] each ;
M: insn update-liveness-graph uses-vregs record-live ;
GENERIC: live-insn? ( insn -- ? )
M: ##flushable live-insn? dst>> live-vregs get key? ;
M: insn live-insn? drop t ;
: eliminate-dead-code ( cfg -- cfg' )
init-dead-code
[ [ instructions>> [ update-liveness-graph ] each ] each-basic-block ]
[ [ [ [ live-insn? ] filter ] change-instructions drop ] each-basic-block ]
[ ]
tri ;

View File

@ -1,9 +0,0 @@
USING: compiler.cfg.dead-code compiler.cfg.instructions
compiler.cfg.registers compiler.cfg.debugger
cpu.architecture tools.test ;
IN: compiler.cfg.dead-code.tests
[ { } ] [
{ T{ ##load-immediate f V int-regs 134 16 } }
eliminate-dead-code
] unit-test

View File

@ -1,61 +0,0 @@
! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs sets kernel namespaces sequences
compiler.cfg.instructions compiler.cfg.def-use ;
IN: compiler.cfg.dead-code
! Dead code elimination -- assumes compiler.cfg.alias-analysis
! has already run.
! Maps vregs to sequences of vregs
SYMBOL: liveness-graph
! vregs which participate in side effects and thus are always live
SYMBOL: live-vregs
! mapping vregs to stack locations
SYMBOL: vregs>locs
: init-dead-code ( -- )
H{ } clone liveness-graph set
H{ } clone live-vregs set
H{ } clone vregs>locs set ;
GENERIC: compute-liveness ( insn -- )
M: ##flushable compute-liveness
[ uses-vregs ] [ dst>> ] bi liveness-graph get set-at ;
M: ##peek compute-liveness
[ [ loc>> ] [ dst>> ] bi vregs>locs get set-at ]
[ call-next-method ]
bi ;
: live-replace? ( ##replace -- ? )
[ src>> vregs>locs get at ] [ loc>> ] bi = not ;
M: ##replace compute-liveness
dup live-replace? [ call-next-method ] [ drop ] if ;
: record-live ( vregs -- )
[
dup live-vregs get key? [ drop ] [
[ live-vregs get conjoin ]
[ liveness-graph get at record-live ]
bi
] if
] each ;
M: insn compute-liveness uses-vregs record-live ;
GENERIC: live-insn? ( insn -- ? )
M: ##flushable live-insn? dst>> live-vregs get key? ;
M: ##replace live-insn? live-replace? ;
M: insn live-insn? drop t ;
: eliminate-dead-code ( insns -- insns' )
init-dead-code
[ [ compute-liveness ] each ] [ [ live-insn? ] filter ] bi ;

View File

@ -1 +0,0 @@
Dead-code elimination

View File

@ -7,7 +7,8 @@ parser compiler.tree.builder compiler.tree.optimizer
compiler.cfg.builder compiler.cfg.linearization
compiler.cfg.registers compiler.cfg.stack-frame
compiler.cfg.linear-scan compiler.cfg.two-operand
compiler.cfg.optimizer ;
compiler.cfg.liveness compiler.cfg.optimizer
compiler.cfg.mr ;
IN: compiler.cfg.debugger
GENERIC: test-cfg ( quot -- cfgs )
@ -18,20 +19,14 @@ M: callable test-cfg
M: word test-cfg
[ build-tree optimize-tree ] keep build-cfg ;
SYMBOL: allocate-registers?
: test-mr ( quot -- mrs )
test-cfg [
optimize-cfg
build-mr
convert-two-operand
allocate-registers? get
[ linear-scan build-stack-frame ] when
] map ;
: insn. ( insn -- )
tuple>array allocate-registers? get [ but-last ] unless
[ pprint bl ] each nl ;
tuple>array [ pprint bl ] each nl ;
: mr. ( mrs -- )
[

View File

@ -1,28 +1,39 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays kernel compiler.cfg.instructions ;
IN: compiler.cfg.def-use
GENERIC: defs-vregs ( insn -- seq )
GENERIC: temp-vregs ( insn -- seq )
GENERIC: uses-vregs ( insn -- seq )
: dst/tmp-vregs ( insn -- seq ) [ dst>> ] [ temp>> ] bi 2array ;
M: ##flushable defs-vregs dst>> 1array ;
M: ##write-barrier defs-vregs [ card#>> ] [ table>> ] bi 2array ;
M: ##unary/temp defs-vregs dst/tmp-vregs ;
M: ##allot defs-vregs dst/tmp-vregs ;
M: ##dispatch defs-vregs temp>> 1array ;
M: ##slot defs-vregs dst/tmp-vregs ;
M: ##unary/temp defs-vregs dst>> 1array ;
M: ##allot defs-vregs dst>> 1array ;
M: ##slot defs-vregs dst>> 1array ;
M: ##set-slot defs-vregs temp>> 1array ;
M: ##string-nth defs-vregs dst/tmp-vregs ;
M: ##set-string-nth-fast defs-vregs temp>> 1array ;
M: ##compare defs-vregs dst/tmp-vregs ;
M: ##compare-imm defs-vregs dst/tmp-vregs ;
M: ##compare-float defs-vregs dst/tmp-vregs ;
M: ##fixnum-mul defs-vregs [ temp1>> ] [ temp2>> ] bi 2array ;
M: ##fixnum-mul-tail defs-vregs [ temp1>> ] [ temp2>> ] bi 2array ;
M: ##string-nth defs-vregs dst>> 1array ;
M: ##compare defs-vregs dst>> 1array ;
M: ##compare-imm defs-vregs dst>> 1array ;
M: ##compare-float defs-vregs dst>> 1array ;
M: insn defs-vregs drop f ;
M: ##write-barrier temp-vregs [ card#>> ] [ table>> ] bi 2array ;
M: ##unary/temp temp-vregs temp>> 1array ;
M: ##allot temp-vregs temp>> 1array ;
M: ##dispatch temp-vregs temp>> 1array ;
M: ##slot temp-vregs temp>> 1array ;
M: ##set-slot temp-vregs temp>> 1array ;
M: ##string-nth temp-vregs temp>> 1array ;
M: ##set-string-nth-fast temp-vregs temp>> 1array ;
M: ##compare temp-vregs temp>> 1array ;
M: ##compare-imm temp-vregs temp>> 1array ;
M: ##compare-float temp-vregs temp>> 1array ;
M: ##fixnum-mul temp-vregs [ temp1>> ] [ temp2>> ] bi 2array ;
M: ##fixnum-mul-tail temp-vregs [ temp1>> ] [ temp2>> ] bi 2array ;
M: _dispatch temp-vregs temp>> 1array ;
M: insn temp-vregs drop f ;
M: ##unary uses-vregs src>> 1array ;
M: ##binary uses-vregs [ src1>> ] [ src2>> ] bi 2array ;
M: ##binary-imm uses-vregs src1>> 1array ;
@ -39,10 +50,14 @@ M: ##dispatch uses-vregs src>> 1array ;
M: ##alien-getter uses-vregs src>> 1array ;
M: ##alien-setter uses-vregs [ src>> ] [ value>> ] bi 2array ;
M: ##fixnum-overflow uses-vregs [ src1>> ] [ src2>> ] bi 2array ;
M: ##phi uses-vregs inputs>> ;
M: ##gc uses-vregs live-in>> ;
M: _conditional-branch uses-vregs [ src1>> ] [ src2>> ] bi 2array ;
M: _compare-imm-branch uses-vregs src1>> 1array ;
M: _dispatch uses-vregs src>> 1array ;
M: insn uses-vregs drop f ;
! Instructions that use vregs
UNION: vreg-insn
##flushable
##write-barrier
@ -51,5 +66,8 @@ UNION: vreg-insn
##fixnum-overflow
##conditional-branch
##compare-imm-branch
##phi
##gc
_conditional-branch
_compare-imm-branch ;
_compare-imm-branch
_dispatch ;

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,41 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs combinators compiler.cfg.rpo
compiler.cfg.stack-analysis fry kernel math.order namespaces
sequences ;
IN: compiler.cfg.dominance
! Reference:
! A Simple, Fast Dominance Algorithm
! Keith D. Cooper, Timothy J. Harvey, and Ken Kennedy
! http://www.cs.rice.edu/~keith/EMBED/dom.pdf
SYMBOL: idoms
: idom ( bb -- bb' ) idoms get at ;
<PRIVATE
: set-idom ( idom bb -- changed? ) idoms get maybe-set-at ;
: intersect ( finger1 finger2 -- bb )
2dup [ number>> ] compare {
{ +lt+ [ [ idom ] dip intersect ] }
{ +gt+ [ idom intersect ] }
[ 2drop ]
} case ;
: compute-idom ( bb -- idom )
predecessors>> [ idom ] map sift
[ ] [ intersect ] map-reduce ;
: iterate ( rpo -- changed? )
[ [ compute-idom ] keep set-idom ] map [ ] any? ;
PRIVATE>
: compute-dominance ( cfg -- cfg )
H{ } clone idoms set
dup reverse-post-order
unclip dup set-idom drop '[ _ iterate ] loop ;

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,22 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors kernel sequences assocs
cpu.architecture compiler.cfg.rpo
compiler.cfg.liveness compiler.cfg.instructions ;
IN: compiler.cfg.gc-checks
: gc? ( bb -- ? )
instructions>> [ ##allocation? ] any? ;
: object-pointer-regs ( basic-block -- vregs )
live-in keys [ reg-class>> int-regs eq? ] filter ;
: insert-gc-check ( basic-block -- )
dup gc? [
dup
[ swap object-pointer-regs \ ##gc new-insn prefix ]
change-instructions drop
] [ drop ] if ;
: insert-gc-checks ( cfg -- cfg' )
dup [ insert-gc-check ] each-basic-block ;

View File

@ -73,3 +73,5 @@ IN: compiler.cfg.hats
: ^^offset>slot ( vreg -- vreg' ) cell 4 = [ 1 ^^shr-imm ] when ; inline
: ^^tag-fixnum ( src -- dst ) ^^i1 ##tag-fixnum ; inline
: ^^untag-fixnum ( src -- dst ) ^^i1 ##untag-fixnum ; inline
: ^^phi ( inputs -- dst ) ^^i1 ##phi ; inline

View File

@ -1,7 +1,8 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors math namespaces sequences kernel fry
compiler.cfg compiler.cfg.registers compiler.cfg.instructions ;
compiler.cfg compiler.cfg.registers compiler.cfg.instructions
compiler.cfg.liveness compiler.cfg.local ;
IN: compiler.cfg.height
! Combine multiple stack height changes into one at the
@ -42,10 +43,13 @@ M: ##replace normalize-height* normalize-peek/replace ;
M: insn normalize-height* ;
: normalize-height ( insns -- insns' )
: height-step ( insns -- insns' )
0 ds-height set
0 rs-height set
[ [ compute-heights ] each ]
[ [ [ normalize-height* ] map sift ] with-scope ] bi
ds-height get dup zero? [ drop ] [ f \ ##inc-d boa prefix ] if
rs-height get dup zero? [ drop ] [ f \ ##inc-r boa prefix ] if ;
ds-height get dup 0 = [ drop ] [ \ ##inc-d new-insn prefix ] if
rs-height get dup 0 = [ drop ] [ \ ##inc-r new-insn prefix ] if ;
: normalize-height ( cfg -- cfg' )
[ drop ] [ height-step ] local-optimization ;

View File

@ -1,4 +1,4 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: assocs accessors arrays kernel sequences namespaces words
math math.order layouts classes.algebra alien byte-arrays
@ -6,6 +6,8 @@ compiler.constants combinators compiler.cfg.registers
compiler.cfg.instructions.syntax ;
IN: compiler.cfg.instructions
: new-insn ( ... class -- insn ) [ f f ] dip boa ; inline
! Virtual CPU instructions, used by CFG and machine IRs
TUPLE: insn ;
@ -44,8 +46,8 @@ M: fixnum ##load-literal tag-fixnum ##load-immediate ;
M: f ##load-literal drop \ f tag-number ##load-immediate ;
M: object ##load-literal ##load-reference ;
INSN: ##peek < ##read { loc loc } ;
INSN: ##replace < ##write { loc loc } ;
INSN: ##peek < ##flushable { loc loc } ;
INSN: ##replace < ##effect { loc loc } ;
INSN: ##inc-d { n integer } ;
INSN: ##inc-r { n integer } ;
@ -57,13 +59,12 @@ TUPLE: stack-frame
spill-counts ;
INSN: ##stack-frame stack-frame ;
INSN: ##call word ;
INSN: ##call word { height integer } ;
INSN: ##jump word ;
INSN: ##return ;
! Jump tables
INSN: ##dispatch src temp offset ;
INSN: ##dispatch-label label ;
INSN: ##dispatch src temp ;
! Slot access
INSN: ##slot < ##read { obj vreg } { slot vreg } { tag integer } { temp vreg } ;
@ -160,9 +161,12 @@ INSN: ##set-alien-double < ##alien-setter ;
! Memory allocation
INSN: ##allot < ##flushable size class { temp vreg } ;
UNION: ##allocation ##allot ##box-float ##box-alien ##integer>bignum ;
INSN: ##write-barrier < ##effect card# table ;
INSN: ##alien-global < ##read symbol library ;
INSN: ##alien-global < ##flushable symbol library ;
! FFI
INSN: ##alien-invoke params ;
@ -178,6 +182,8 @@ INSN: ##branch ;
INSN: ##loop-entry ;
INSN: ##phi < ##pure inputs ;
! Condition codes
SYMBOL: cc<
SYMBOL: cc<=
@ -217,16 +223,19 @@ INSN: ##compare-imm < ##binary-imm cc temp ;
INSN: ##compare-float-branch < ##conditional-branch ;
INSN: ##compare-float < ##binary cc temp ;
INSN: ##gc live-in ;
! Instructions used by machine IR only.
INSN: _prologue stack-frame ;
INSN: _epilogue stack-frame ;
INSN: _label id ;
INSN: _gc ;
INSN: _branch label ;
INSN: _dispatch src temp ;
INSN: _dispatch-label label ;
TUPLE: _conditional-branch < insn label { src1 vreg } { src2 vreg } cc ;
INSN: _compare-branch < _conditional-branch ;

View File

@ -11,12 +11,12 @@ IN: compiler.cfg.instructions.syntax
"insn" "compiler.cfg.instructions" lookup ;
: insn-effect ( word -- effect )
boa-effect in>> but-last f <effect> ;
boa-effect in>> 2 head* f <effect> ;
SYNTAX: INSN:
parse-tuple-definition "regs" suffix
parse-tuple-definition { "regs" "insn#" } append
[ dup tuple eq? [ drop insn-word ] when ] dip
[ define-tuple-class ]
[ 2drop save-location ]
[ 2drop [ ] [ '[ f _ boa , ] ] [ insn-effect ] tri define-inline ]
[ 2drop [ ] [ '[ f f _ boa , ] ] [ insn-effect ] tri define-inline ]
3tri ;

View File

@ -19,7 +19,7 @@ IN: compiler.cfg.intrinsics.allot
[ second ds-load ] [ ^^load-literal ] bi prefix ;
: emit-<tuple-boa> ( node -- )
dup node-input-infos peek literal>>
dup node-input-infos last literal>>
dup array? [
nip
ds-drop

View File

@ -7,7 +7,7 @@ SYMBOL: node-stack
: >node ( cursor -- ) node-stack get push ;
: node> ( -- cursor ) node-stack get pop ;
: node@ ( -- cursor ) node-stack get peek ;
: node@ ( -- cursor ) node-stack get last ;
: current-node ( -- node ) node@ first ;
: iterate-next ( -- cursor ) node@ rest-slice ;
: skip-next ( -- next ) node> rest-slice [ first ] [ >node ] bi ;
@ -37,9 +37,9 @@ DEFER: (tail-call?)
: tail-call? ( -- ? )
node-stack get [
rest-slice
[ t ] [
[ (tail-call?) ]
[ first #terminate? not ]
bi and
] if-empty
[ t ] [ (tail-call?) ] if-empty
] all? ;
: terminate-call? ( -- ? )
node-stack get last
rest-slice [ f ] [ first #terminate? ] if-empty ;

View File

@ -13,13 +13,13 @@ IN: compiler.cfg.linear-scan.assignment
! but since we never have too many machine registers (around 30
! at most) and we probably won't have that many live at any one
! time anyway, it is not a problem to check each element.
SYMBOL: active-intervals
TUPLE: active-intervals seq ;
: add-active ( live-interval -- )
active-intervals get push ;
active-intervals get seq>> push ;
: lookup-register ( vreg -- reg )
active-intervals get [ vreg>> = ] with find nip reg>> ;
active-intervals get seq>> [ vreg>> = ] with find nip reg>> ;
! Minheap of live intervals which still need a register allocation
SYMBOL: unhandled-intervals
@ -41,8 +41,7 @@ SYMBOL: unhandled-intervals
: expire-old-intervals ( n -- )
active-intervals get
swap '[ end>> _ = ] partition
active-intervals set
[ swap '[ end>> _ = ] partition ] change-seq drop
[ insert-spill ] each ;
: insert-reload ( live-interval -- )
@ -59,29 +58,38 @@ SYMBOL: unhandled-intervals
] [ 2drop ] if
] if ;
GENERIC: (assign-registers) ( insn -- )
GENERIC: assign-registers-in-insn ( insn -- )
M: vreg-insn (assign-registers)
dup
[ defs-vregs ] [ uses-vregs ] bi append
active-intervals get swap '[ vreg>> _ member? ] filter
: all-vregs ( insn -- vregs )
[ defs-vregs ] [ temp-vregs ] [ uses-vregs ] tri 3append ;
M: vreg-insn assign-registers-in-insn
active-intervals get seq>> over all-vregs '[ vreg>> _ member? ] filter
[ [ vreg>> ] [ reg>> ] bi ] { } map>assoc
>>regs drop ;
M: insn (assign-registers) drop ;
M: insn assign-registers-in-insn drop ;
: <active-intervals> ( -- obj )
V{ } clone active-intervals boa ;
: init-assignment ( live-intervals -- )
V{ } clone active-intervals set
<active-intervals> active-intervals set
<min-heap> unhandled-intervals set
init-unhandled ;
: assign-registers ( insns live-intervals -- insns' )
: assign-registers-in-block ( bb -- )
[
init-assignment
[
[ activate-new-intervals ]
[ drop [ (assign-registers) ] [ , ] bi ]
[ expire-old-intervals ]
tri
] each-index
] { } make ;
[
[ insn#>> activate-new-intervals ]
[ [ assign-registers-in-insn ] [ , ] bi ]
[ insn#>> expire-old-intervals ]
tri
] each
] V{ } make
] change-instructions drop ;
: assign-registers ( rpo live-intervals -- )
init-assignment
[ assign-registers-in-block ] each ;

View File

@ -23,7 +23,7 @@ IN: compiler.cfg.linear-scan.debugger
[ split-children ] map concat check-assigned ;
: picture ( uses -- str )
dup peek 1 + CHAR: space <string>
dup last 1 + CHAR: space <string>
[ '[ CHAR: * swap _ set-nth ] each ] keep ;
: interval-picture ( interval -- str )

View File

@ -3,6 +3,8 @@ USING: tools.test random sorting sequences sets hashtables assocs
kernel fry arrays splitting namespaces math accessors vectors
math.order grouping
cpu.architecture
compiler.cfg
compiler.cfg.optimizer
compiler.cfg.instructions
compiler.cfg.registers
compiler.cfg.linear-scan
@ -244,7 +246,7 @@ SYMBOL: max-uses
swap int-regs swap vreg boa >>vreg
max-uses get random 2 max [ not-taken ] replicate natural-sort
[ >>uses ] [ first >>start ] bi
dup uses>> peek >>end
dup uses>> last >>end
] map
] with-scope ;
@ -264,18 +266,27 @@ SYMBOL: max-uses
USING: math.private compiler.cfg.debugger ;
[ ] [ [ float+ float>fixnum 3 fixnum*fast ] test-mr first linear-scan drop ] unit-test
[ ] [
[ float+ float>fixnum 3 fixnum*fast ]
test-cfg first optimize-cfg linear-scan drop
] unit-test
[ f ] [
T{ ##allot
f
T{ vreg f int-regs 1 }
40
array
T{ vreg f int-regs 2 }
f
} clone
1array (linear-scan) first regs>> values all-equal?
T{ basic-block
{ instructions
V{
T{ ##allot
f
T{ vreg f int-regs 1 }
40
array
T{ vreg f int-regs 2 }
f
}
}
}
} clone [ [ clone ] map ] change-instructions
dup 1array (linear-scan) instructions>> first regs>> values all-equal?
] unit-test
[ 0 1 ] [

View File

@ -1,9 +1,11 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors namespaces make
cpu.architecture
compiler.cfg
compiler.cfg.rpo
compiler.cfg.instructions
compiler.cfg.linear-scan.numbering
compiler.cfg.linear-scan.live-intervals
compiler.cfg.linear-scan.allocation
compiler.cfg.linear-scan.assignment ;
@ -23,16 +25,13 @@ IN: compiler.cfg.linear-scan
! by Omri Traub, Glenn Holloway, Michael D. Smith
! http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.34.8435
: (linear-scan) ( insns -- insns' )
: (linear-scan) ( rpo -- )
dup number-instructions
dup compute-live-intervals
machine-registers allocate-registers assign-registers ;
: linear-scan ( mr -- mr' )
: linear-scan ( cfg -- cfg' )
[
[
[
(linear-scan) %
spill-counts get _spill-counts
] { } make
] change-instructions
dup reverse-post-order (linear-scan)
spill-counts get >>spill-counts
] with-scope ;

View File

@ -1,4 +1,4 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: namespaces kernel assocs accessors sequences math fry
compiler.cfg.instructions compiler.cfg.registers
@ -38,27 +38,29 @@ SYMBOL: live-intervals
[ [ <live-interval> ] keep ] dip set-at
] if ;
GENERIC# compute-live-intervals* 1 ( insn n -- )
GENERIC: compute-live-intervals* ( insn -- )
M: insn compute-live-intervals* 2drop ;
M: insn compute-live-intervals* drop ;
M: vreg-insn compute-live-intervals*
dup insn#>>
live-intervals get
[ [ uses-vregs ] 2dip '[ _ swap _ at add-use ] each ]
[ [ defs-vregs ] 2dip '[ _ swap _ new-live-interval ] each ]
3bi ;
[ [ temp-vregs ] 2dip '[ _ swap _ new-live-interval ] each ]
3tri ;
: record-copy ( insn -- )
[ dst>> live-intervals get at ] [ src>> ] bi >>copy-from drop ;
M: ##copy compute-live-intervals*
[ call-next-method ] [ drop record-copy ] 2bi ;
[ call-next-method ] [ record-copy ] bi ;
M: ##copy-float compute-live-intervals*
[ call-next-method ] [ drop record-copy ] 2bi ;
[ call-next-method ] [ record-copy ] bi ;
: compute-live-intervals ( instructions -- live-intervals )
: compute-live-intervals ( rpo -- live-intervals )
H{ } clone [
live-intervals set
[ compute-live-intervals* ] each-index
[ instructions>> [ compute-live-intervals* ] each ] each
] keep values ;

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,11 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors math sequences ;
IN: compiler.cfg.linear-scan.numbering
: number-instructions ( rpo -- )
[ 0 ] dip [
instructions>> [
[ (>>insn#) ] [ drop 2 + ] 2bi
] each
] each drop ;

View File

@ -1,24 +1,28 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel math accessors sequences namespaces make
combinators classes
combinators assocs
cpu.architecture
compiler.cfg
compiler.cfg.rpo
compiler.cfg.liveness
compiler.cfg.instructions ;
IN: compiler.cfg.linearization
! Convert CFG IR to machine IR.
GENERIC: linearize-insn ( basic-block insn -- )
: linearize-insns ( basic-block -- )
dup instructions>> [ linearize-insn ] with each ; inline
: linearize-basic-block ( bb -- )
[ number>> _label ]
[ dup instructions>> [ linearize-insn ] with each ]
bi ;
M: insn linearize-insn , drop ;
: useless-branch? ( basic-block successor -- ? )
#! If our successor immediately follows us in RPO, then we
#! don't need to branch.
[ number>> ] bi@ 1- = ; inline
[ number>> ] bi@ 1 - = ; inline
: branch-to-branch? ( successor -- ? )
#! A branch to a block containing just a jump return is cloned.
@ -30,7 +34,7 @@ M: insn linearize-insn , drop ;
: emit-branch ( basic-block successor -- )
{
{ [ 2dup useless-branch? ] [ 2drop ] }
{ [ dup branch-to-branch? ] [ nip linearize-insns ] }
{ [ dup branch-to-branch? ] [ nip linearize-basic-block ] }
[ nip number>> _branch ]
} cond ;
@ -46,35 +50,31 @@ M: ##branch linearize-insn
[ drop dup successors>> second useless-branch? ] 2bi
[ [ swap number>> ] 3dip ] [ [ number>> ] 3dip negate-cc ] if ;
: with-regs ( insn quot -- )
over regs>> [ call ] dip building get last (>>regs) ; inline
M: ##compare-branch linearize-insn
binary-conditional _compare-branch emit-branch ;
[ binary-conditional _compare-branch ] with-regs emit-branch ;
M: ##compare-imm-branch linearize-insn
binary-conditional _compare-imm-branch emit-branch ;
[ binary-conditional _compare-imm-branch ] with-regs emit-branch ;
M: ##compare-float-branch linearize-insn
binary-conditional _compare-float-branch emit-branch ;
[ binary-conditional _compare-float-branch ] with-regs emit-branch ;
: gc? ( bb -- ? )
instructions>> [
class {
##allot
##integer>bignum
##box-float
##box-alien
} memq?
] any? ;
M: ##dispatch linearize-insn
swap
[ [ [ src>> ] [ temp>> ] bi _dispatch ] with-regs ]
[ successors>> [ number>> _dispatch-label ] each ]
bi* ;
: linearize-basic-block ( bb -- )
[ number>> _label ]
[ gc? [ _gc ] when ]
[ linearize-insns ]
tri ;
: linearize-basic-blocks ( cfg -- insns )
[
[ [ linearize-basic-block ] each-basic-block ]
[ spill-counts>> _spill-counts ]
bi
] { } make ;
: linearize-basic-blocks ( rpo -- insns )
[ [ linearize-basic-block ] each ] { } make ;
: build-mr ( cfg -- mr )
[ entry>> reverse-post-order linearize-basic-blocks ]
[ word>> ] [ label>> ]
tri <mr> ;
: flatten-cfg ( cfg -- mr )
[ linearize-basic-blocks ] [ word>> ] [ label>> ] tri
<mr> ;

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,78 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel namespaces deques accessors sets sequences assocs fry
dlists compiler.cfg.def-use compiler.cfg.instructions
compiler.cfg.rpo ;
IN: compiler.cfg.liveness
! This is a backward dataflow analysis. See http://en.wikipedia.org/wiki/Liveness_analysis
! Assoc mapping basic blocks to sets of vregs
SYMBOL: live-ins
: live-in ( basic-block -- set ) live-ins get at ;
! Assoc mapping basic blocks to sequences of sets of vregs; each sequence
! is in conrrespondence with a predecessor
SYMBOL: phi-live-ins
: phi-live-in ( predecessor basic-block -- set )
[ predecessors>> index ] keep phi-live-ins get at
dup [ nth ] [ 2drop f ] if ;
! Assoc mapping basic blocks to sets of vregs
SYMBOL: live-outs
: live-out ( basic-block -- set ) live-outs get at ;
SYMBOL: work-list
: add-to-work-list ( basic-blocks -- )
work-list get '[ _ push-front ] each ;
: map-unique ( seq quot -- assoc )
map concat unique ; inline
: gen-set ( instructions -- seq )
[ ##phi? not ] filter [ uses-vregs ] map-unique ;
: kill-set ( instructions -- seq )
[ [ defs-vregs ] [ temp-vregs ] bi append ] map-unique ;
: compute-live-in ( basic-block -- live-in )
dup instructions>>
[ [ live-out ] [ gen-set ] bi* assoc-union ]
[ nip kill-set ]
2bi assoc-diff ;
: compute-phi-live-in ( basic-block -- phi-live-in )
instructions>> [ ##phi? ] filter
[ f ] [ [ inputs>> ] map flip [ unique ] map ] if-empty ;
: update-live-in ( basic-block -- changed? )
[ [ compute-live-in ] keep live-ins get maybe-set-at ]
[ [ compute-phi-live-in ] keep phi-live-ins get maybe-set-at ]
bi and ;
: compute-live-out ( basic-block -- live-out )
[ successors>> [ live-in ] map ]
[ dup successors>> [ phi-live-in ] with map ] bi
append assoc-combine ;
: update-live-out ( basic-block -- changed? )
[ compute-live-out ] keep
live-outs get maybe-set-at ;
: liveness-step ( basic-block -- )
dup update-live-out [
dup update-live-in
[ predecessors>> add-to-work-list ] [ drop ] if
] [ drop ] if ;
: compute-liveness ( cfg -- cfg' )
<hashed-dlist> work-list set
H{ } clone live-ins set
H{ } clone phi-live-ins set
H{ } clone live-outs set
dup post-order add-to-work-list
work-list get [ liveness-step ] slurp-deque ;

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,10 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: fry accessors kernel assocs compiler.cfg.liveness compiler.cfg.rpo ;
IN: compiler.cfg.local
: optimize-basic-block ( bb init-quot insn-quot -- )
[ '[ live-in keys @ ] ] [ '[ _ change-instructions drop ] ] bi* bi ; inline
: local-optimization ( cfg init-quot: ( live-in -- ) insn-quot: ( insns -- insns' ) -- cfg' )
[ dup ] 2dip '[ _ _ optimize-basic-block ] each-basic-block ; inline

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,14 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: compiler.cfg.linearization compiler.cfg.two-operand
compiler.cfg.liveness compiler.cfg.gc-checks compiler.cfg.linear-scan
compiler.cfg.stack-frame compiler.cfg.rpo ;
IN: compiler.cfg.mr
: build-mr ( cfg -- mr )
convert-two-operand
compute-liveness
insert-gc-checks
linear-scan
flatten-cfg
build-stack-frame ;

View File

@ -0,0 +1,34 @@
USING: arrays sequences tools.test compiler.cfg.checker compiler.cfg.debugger
compiler.cfg.def-use sets kernel kernel.private fry slots.private vectors
sequences.private math sbufs math.private slots.private strings ;
IN: compiler.cfg.optimizer.tests
! Miscellaneous tests
: more? ( x -- ? ) ;
: test-case-1 ( -- ? ) f ;
: test-case-2 ( -- )
test-case-1 [ test-case-2 ] [ ] if ; inline recursive
{
[ 1array ]
[ 1 2 ? ]
[ { array } declare [ ] map ]
[ { array } declare dup 1 slot [ 1 slot ] when ]
[ [ dup more? ] [ dup ] produce ]
[ vector new over test-case-1 [ test-case-2 ] [ ] if ]
[ [ [ nth-unsafe ".." = 0 ] dip set-nth-unsafe ] 2curry (each-integer) ]
[
{ fixnum sbuf } declare 2dup 3 slot fixnum> [
over 3 fixnum* over dup [ 2 slot resize-string ] dip 2 set-slot
] [ ] if
]
[ [ 2 fixnum* ] when 3 ]
[ [ 2 fixnum+ ] when 3 ]
[ [ 2 fixnum- ] when 3 ]
[ 10000 [ ] times ]
} [
[ [ ] ] dip '[ _ test-mr first check-mr ] unit-test
] each

View File

@ -1,29 +1,30 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel sequences compiler.cfg.rpo
compiler.cfg.instructions
USING: kernel sequences accessors combinators namespaces
compiler.cfg.predecessors
compiler.cfg.useless-blocks
compiler.cfg.height
compiler.cfg.stack-analysis
compiler.cfg.alias-analysis
compiler.cfg.value-numbering
compiler.cfg.dead-code
compiler.cfg.write-barrier ;
compiler.cfg.dce
compiler.cfg.write-barrier
compiler.cfg.liveness
compiler.cfg.rpo
compiler.cfg.phi-elimination ;
IN: compiler.cfg.optimizer
: trivial? ( insns -- ? )
dup length 2 = [ first ##call? ] [ drop f ] if ;
: optimize-cfg ( cfg -- cfg' )
compute-predecessors
delete-useless-blocks
delete-useless-conditionals
[
dup trivial? [
normalize-height
alias-analysis
value-numbering
eliminate-dead-code
eliminate-write-barriers
] unless
] change-basic-blocks ;
compute-predecessors
delete-useless-blocks
delete-useless-conditionals
normalize-height
stack-analysis
compute-liveness
alias-analysis
value-numbering
eliminate-dead-code
eliminate-write-barriers
eliminate-phis
] with-scope ;

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,21 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors compiler.cfg compiler.cfg.instructions
compiler.cfg.rpo fry kernel sequences ;
IN: compiler.cfg.phi-elimination
: insert-copy ( predecessor input output -- )
'[ _ _ swap ##copy ] add-instructions ;
: eliminate-phi ( bb ##phi -- )
[ predecessors>> ] [ [ inputs>> ] [ dst>> ] bi ] bi*
'[ _ insert-copy ] 2each ;
: eliminate-phi-step ( bb -- )
dup [
[ ##phi? ] partition
[ [ eliminate-phi ] with each ] dip
] change-instructions drop ;
: eliminate-phis ( cfg -- cfg' )
dup [ eliminate-phi-step ] each-basic-block ;

View File

@ -1,10 +1,10 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors sequences compiler.cfg.rpo ;
IN: compiler.cfg.predecessors
: (compute-predecessors) ( bb -- )
: predecessors-step ( bb -- )
dup successors>> [ predecessors>> push ] with each ;
: compute-predecessors ( cfg -- cfg' )
dup [ (compute-predecessors) ] each-basic-block ;
dup [ predecessors-step ] each-basic-block ;

View File

@ -1,35 +1,35 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors namespaces make math sequences sets
assocs fry compiler.cfg.instructions ;
assocs fry compiler.cfg compiler.cfg.instructions ;
IN: compiler.cfg.rpo
SYMBOL: visited
: post-order-traversal ( bb -- )
dup id>> visited get key? [ drop ] [
dup id>> visited get conjoin
dup visited get key? [ drop ] [
dup visited get conjoin
[
successors>> <reversed>
[ post-order-traversal ] each
] [ , ] bi
] if ;
: post-order ( bb -- blocks )
[ post-order-traversal ] { } make ;
: number-blocks ( blocks -- )
[ >>number drop ] each-index ;
dup length iota <reversed>
[ >>number drop ] 2each ;
: reverse-post-order ( bb -- blocks )
H{ } clone visited [
post-order <reversed> dup number-blocks
] with-variable ; inline
: post-order ( cfg -- blocks )
dup post-order>> [ ] [
[
H{ } clone visited set
dup entry>> post-order-traversal
] { } make dup number-blocks
>>post-order post-order>>
] ?if ;
: reverse-post-order ( cfg -- blocks )
post-order <reversed> ; inline
: each-basic-block ( cfg quot -- )
[ entry>> reverse-post-order ] dip each ; inline
: change-basic-blocks ( cfg quot -- cfg' )
[ '[ _ change-instructions drop ] each-basic-block ]
[ drop ]
2bi ; inline
[ reverse-post-order ] dip each ; inline

View File

@ -0,0 +1 @@
Slava Pestov

View File

@ -0,0 +1,113 @@
USING: prettyprint compiler.cfg.debugger compiler.cfg.linearization
compiler.cfg.predecessors compiler.cfg.stack-analysis
compiler.cfg.instructions sequences kernel tools.test accessors
sequences.private alien math combinators.private compiler.cfg
compiler.cfg.checker compiler.cfg.height compiler.cfg.rpo
compiler.cfg.dce compiler.cfg.registers compiler.cfg.useless-blocks
sets ;
IN: compiler.cfg.stack-analysis.tests
! Fundamental invariant: a basic block should not load or store a value more than once
: check-for-redundant-ops ( cfg -- )
[
instructions>>
[
[ ##peek? ] filter [ loc>> ] map duplicates empty?
[ "Redundant peeks" throw ] unless
] [
[ ##replace? ] filter [ loc>> ] map duplicates empty?
[ "Redundant replaces" throw ] unless
] bi
] each-basic-block ;
: test-stack-analysis ( quot -- cfg )
dup cfg? [ test-cfg first ] unless
compute-predecessors
delete-useless-blocks
delete-useless-conditionals
normalize-height
stack-analysis
dup check-cfg
dup check-for-redundant-ops ;
: linearize ( cfg -- mr )
flatten-cfg instructions>> ;
[ ] [ [ ] test-stack-analysis drop ] unit-test
! Only peek once
[ 1 ] [ [ dup drop dup ] test-stack-analysis linearize [ ##peek? ] count ] unit-test
! Redundant replace is redundant
[ f ] [ [ dup drop ] test-stack-analysis linearize [ ##replace? ] any? ] unit-test
[ f ] [ [ swap swap ] test-stack-analysis linearize [ ##replace? ] any? ] unit-test
! Replace required here
[ t ] [ [ dup ] test-stack-analysis linearize [ ##replace? ] any? ] unit-test
[ t ] [ [ [ drop 1 ] when ] test-stack-analysis linearize [ ##replace? ] any? ] unit-test
! Only one replace, at the end
[ 1 ] [ [ [ 1 ] [ 2 ] if ] test-stack-analysis linearize [ ##replace? ] count ] unit-test
! Do we support the full language?
[ ] [ [ { [ ] [ ] } dispatch ] test-stack-analysis drop ] unit-test
[ ] [ [ { [ ] [ ] } dispatch dup ] test-stack-analysis drop ] unit-test
[ ] [
[ "int" { "int" "int" } "cdecl" [ + ] alien-callback ]
test-cfg second test-stack-analysis drop
] unit-test
! Test loops
[ ] [ [ [ t ] loop ] test-stack-analysis drop ] unit-test
[ ] [ [ [ dup ] loop ] test-stack-analysis drop ] unit-test
! Make sure that peeks are inserted in the right place
[ ] [ [ [ drop 1 ] when ] test-stack-analysis drop ] unit-test
! This should be a total no-op
[ f ] [ [ [ ] dip ] test-stack-analysis linearize [ ##replace? ] any? ] unit-test
! Don't insert inc-d/inc-r; that's wrong!
[ 1 ] [ [ dup ] test-stack-analysis linearize [ ##inc-d? ] count ] unit-test
! Bug in height tracking
[ ] [ [ dup [ ] [ reverse ] if ] test-stack-analysis drop ] unit-test
[ ] [ [ dup [ ] [ dup reverse drop ] if ] test-stack-analysis drop ] unit-test
[ ] [ [ [ drop dup 4.0 > ] find-last-integer ] test-stack-analysis drop ] unit-test
! Bugs with code that throws
[ ] [ [ [ "Oops" throw ] unless ] test-stack-analysis drop ] unit-test
[ ] [ [ [ ] (( -- * )) call-effect-unsafe ] test-stack-analysis drop ] unit-test
[ ] [ [ dup [ "Oops" throw ] when dup ] test-stack-analysis drop ] unit-test
[ ] [ [ B{ 1 2 3 4 } over [ "Oops" throw ] when swap ] test-stack-analysis drop ] unit-test
! Make sure the replace stores a value with the right height
[ ] [
[ [ . ] [ 2drop 1 ] if ] test-stack-analysis eliminate-dead-code linearize
[ ##replace? ] filter [ length 1 assert= ] [ first loc>> D 0 assert= ] bi
] unit-test
! translate-loc was the wrong way round
[ ] [
[ 1 2 rot ] test-stack-analysis eliminate-dead-code linearize
[ [ ##load-immediate? ] count 2 assert= ]
[ [ ##peek? ] count 1 assert= ]
[ [ ##replace? ] count 3 assert= ]
tri
] unit-test
[ ] [
[ 1 2 ? ] test-stack-analysis eliminate-dead-code linearize
[ [ ##load-immediate? ] count 2 assert= ]
[ [ ##peek? ] count 1 assert= ]
[ [ ##replace? ] count 1 assert= ]
tri
] unit-test
! Sync before a back-edge, not after
! ##peeks should be inserted before a ##loop-entry
! Don't optimize out the constants
[ 1 t ] [
[ 1000 [ ] times ] test-stack-analysis eliminate-dead-code linearize
[ [ ##add-imm? ] count ] [ [ ##load-immediate? ] any? ] bi
] unit-test

View File

@ -0,0 +1,295 @@
! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs kernel namespaces math sequences fry grouping
sets make combinators compiler.cfg.copy-prop compiler.cfg.def-use
compiler.cfg.instructions compiler.cfg.registers compiler.cfg.rpo
compiler.cfg.hats compiler.cfg ;
IN: compiler.cfg.stack-analysis
! Convert stack operations to register operations
! If 'poisoned' is set, disregard height information. This is set if we don't have
! height change information for an instruction.
TUPLE: state locs>vregs actual-locs>vregs changed-locs ds-height rs-height poisoned? ;
: <state> ( -- state )
state new
H{ } clone >>locs>vregs
H{ } clone >>actual-locs>vregs
H{ } clone >>changed-locs
0 >>ds-height
0 >>rs-height ;
M: state clone
call-next-method
[ clone ] change-locs>vregs
[ clone ] change-actual-locs>vregs
[ clone ] change-changed-locs ;
: loc>vreg ( loc -- vreg ) state get locs>vregs>> at ;
: record-peek ( dst loc -- )
state get [ locs>vregs>> set-at ] [ actual-locs>vregs>> set-at ] 3bi ;
: changed-loc ( loc -- )
state get changed-locs>> conjoin ;
: record-replace ( src loc -- )
dup changed-loc state get locs>vregs>> set-at ;
GENERIC: height-for ( loc -- n )
M: ds-loc height-for drop state get ds-height>> ;
M: rs-loc height-for drop state get rs-height>> ;
: (translate-loc) ( loc -- n height ) [ n>> ] [ height-for ] bi ; inline
GENERIC: translate-loc ( loc -- loc' )
M: ds-loc translate-loc (translate-loc) - <ds-loc> ;
M: rs-loc translate-loc (translate-loc) - <rs-loc> ;
GENERIC: untranslate-loc ( loc -- loc' )
M: ds-loc untranslate-loc (translate-loc) + <ds-loc> ;
M: rs-loc untranslate-loc (translate-loc) + <rs-loc> ;
: redundant-replace? ( vreg loc -- ? )
dup untranslate-loc n>> 0 <
[ 2drop t ] [ state get actual-locs>vregs>> at = ] if ;
: save-changed-locs ( state -- )
[ changed-locs>> ] [ locs>vregs>> ] bi '[
_ at swap 2dup redundant-replace?
[ 2drop ] [ untranslate-loc ##replace ] if
] assoc-each ;
: clear-state ( state -- )
[ locs>vregs>> clear-assoc ]
[ actual-locs>vregs>> clear-assoc ]
[ changed-locs>> clear-assoc ]
tri ;
ERROR: poisoned-state state ;
: sync-state ( -- )
state get {
[ dup poisoned?>> [ poisoned-state ] [ drop ] if ]
[ save-changed-locs ]
[ clear-state ]
} cleave ;
: poison-state ( -- ) state get t >>poisoned? drop ;
! Abstract interpretation
GENERIC: visit ( insn -- )
! Instructions which don't have any effect on the stack
UNION: neutral-insn
##flushable
##effect ;
M: neutral-insn visit , ;
UNION: sync-if-back-edge
##branch
##conditional-branch
##compare-imm-branch
##dispatch
##loop-entry ;
SYMBOL: local-only?
t local-only? set-global
: back-edge? ( from to -- ? )
[ number>> ] bi@ > ;
: sync-state? ( -- ? )
basic-block get successors>>
[ [ predecessors>> ] keep '[ _ back-edge? ] any? ] any?
local-only? get or ;
M: sync-if-back-edge visit
sync-state? [ sync-state ] when , ;
: adjust-d ( n -- ) state get [ + ] change-ds-height drop ;
M: ##inc-d visit [ , ] [ n>> adjust-d ] bi ;
: adjust-r ( n -- ) state get [ + ] change-rs-height drop ;
M: ##inc-r visit [ , ] [ n>> adjust-r ] bi ;
: eliminate-peek ( dst src -- )
! the requested stack location is already in 'src'
[ ##copy ] [ swap copies get set-at ] 2bi ;
M: ##peek visit
dup
[ dst>> ] [ loc>> translate-loc ] bi
dup loc>vreg dup [ nip eliminate-peek drop ] [ drop record-peek , ] if ;
M: ##replace visit
[ src>> resolve ] [ loc>> translate-loc ] bi
record-replace ;
M: ##copy visit
[ call-next-method ] [ record-copy ] bi ;
M: ##call visit
[ call-next-method ] [ height>> adjust-d ] bi ;
! Instructions that poison the stack state
UNION: poison-insn
##jump
##return
##callback-return
##fixnum-mul-tail
##fixnum-add-tail
##fixnum-sub-tail ;
M: poison-insn visit call-next-method poison-state ;
! Instructions that kill all live vregs
UNION: kill-vreg-insn
poison-insn
##stack-frame
##call
##prologue
##epilogue
##fixnum-mul
##fixnum-add
##fixnum-sub
##alien-invoke
##alien-indirect ;
M: kill-vreg-insn visit sync-state , ;
: visit-alien-node ( node -- )
params>> [ out-d>> length ] [ in-d>> length ] bi - adjust-d ;
M: ##alien-invoke visit
[ call-next-method ] [ visit-alien-node ] bi ;
M: ##alien-indirect visit
[ call-next-method ] [ visit-alien-node ] bi ;
M: ##alien-callback visit , ;
! Maps basic-blocks to states
SYMBOLS: state-in state-out ;
: initial-state ( bb states -- state ) 2drop <state> ;
: single-predecessor ( bb states -- state ) nip first clone ;
ERROR: must-equal-failed seq ;
: must-equal ( seq -- elt )
dup all-equal? [ first ] [ must-equal-failed ] if ;
: merge-heights ( state predecessors states -- state )
nip
[ [ ds-height>> ] map must-equal >>ds-height ]
[ [ rs-height>> ] map must-equal >>rs-height ] bi ;
: insert-peek ( predecessor loc -- vreg )
! XXX critical edges
'[ _ ^^peek ] add-instructions ;
: merge-loc ( predecessors locs>vregs loc -- vreg )
! Insert a ##phi in the current block where the input
! is the vreg storing loc from each predecessor block
[ '[ [ _ ] dip at ] map ] keep
'[ [ ] [ _ insert-peek ] ?if ] 2map
dup all-equal? [ first ] [ ^^phi ] if ;
: (merge-locs) ( predecessors assocs -- assoc )
dup [ keys ] map concat prune
[ [ 2nip ] [ merge-loc ] 3bi ] with with
H{ } map>assoc ;
: merge-locs ( state predecessors states -- state )
[ locs>vregs>> ] map (merge-locs) >>locs>vregs ;
: merge-loc' ( locs>vregs loc -- vreg )
! Insert a ##phi in the current block where the input
! is the vreg storing loc from each predecessor block
'[ [ _ ] dip at ] map
dup all-equal? [ first ] [ drop f ] if ;
: merge-actual-locs ( state predecessors states -- state )
nip
[ actual-locs>vregs>> ] map
dup [ keys ] map concat prune
[ [ nip ] [ merge-loc' ] 2bi ] with
H{ } map>assoc
[ nip ] assoc-filter
>>actual-locs>vregs ;
: merge-changed-locs ( state predecessors states -- state )
nip [ changed-locs>> ] map assoc-combine >>changed-locs ;
ERROR: cannot-merge-poisoned states ;
: multiple-predecessors ( bb states -- state )
dup [ not ] any? [
[ <state> ] 2dip
sift merge-heights
] [
dup [ poisoned?>> ] any? [
cannot-merge-poisoned
] [
[ state new ] 2dip
[ predecessors>> ] dip
{
[ merge-locs ]
[ merge-actual-locs ]
[ merge-heights ]
[ merge-changed-locs ]
} 2cleave
] if
] if ;
: merge-states ( bb states -- state )
! If any states are poisoned, save all registers
! to the stack in each branch
dup length {
{ 0 [ initial-state ] }
{ 1 [ single-predecessor ] }
[ drop multiple-predecessors ]
} case ;
: block-in-state ( bb -- states )
dup predecessors>> state-out get '[ _ at ] map merge-states ;
: set-block-in-state ( state bb -- )
[ clone ] dip state-in get set-at ;
: set-block-out-state ( state bb -- )
[ clone ] dip state-out get set-at ;
: visit-block ( bb -- )
! block-in-state may add phi nodes at the start of the basic block
! so we wrap the whole thing with a 'make'
[
dup basic-block set
dup block-in-state
[ swap set-block-in-state ] [
state [
[ instructions>> [ visit ] each ]
[ [ state get ] dip set-block-out-state ]
[ ]
tri
] with-variable
] 2bi
] V{ } make >>instructions drop ;
: stack-analysis ( cfg -- cfg' )
[
H{ } clone copies set
H{ } clone state-in set
H{ } clone state-out set
dup [ visit-block ] each-basic-block
] with-scope ;

View File

@ -32,8 +32,8 @@ M: insn compute-stack-frame*
frame-required? on
] when ;
\ _gc t frame-required? set-word-prop
\ _spill t frame-required? set-word-prop
\ ##gc t frame-required? set-word-prop
\ ##fixnum-add t frame-required? set-word-prop
\ ##fixnum-sub t frame-required? set-word-prop
\ ##fixnum-mul t frame-required? set-word-prop

View File

@ -1,7 +1,7 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays kernel sequences compiler.utilities
compiler.cfg.instructions cpu.architecture ;
USING: accessors arrays kernel sequences make compiler.cfg.instructions
compiler.cfg.rpo cpu.architecture ;
IN: compiler.cfg.two-operand
! On x86, instructions take the form x = x op y
@ -11,26 +11,26 @@ IN: compiler.cfg.two-operand
! has a LEA instruction which is effectively a three-operand
! addition
: make-copy ( dst src -- insn ) f \ ##copy boa ; inline
: make-copy ( dst src -- insn ) \ ##copy new-insn ; inline
: make-copy/float ( dst src -- insn ) f \ ##copy-float boa ; inline
: make-copy/float ( dst src -- insn ) \ ##copy-float new-insn ; inline
: convert-two-operand/integer ( insn -- insns )
[ [ dst>> ] [ src1>> ] bi make-copy ]
[ dup dst>> >>src1 ]
bi 2array ; inline
: convert-two-operand/integer ( insn -- )
[ [ dst>> ] [ src1>> ] bi ##copy ]
[ dup dst>> >>src1 , ]
bi ; inline
: convert-two-operand/float ( insn -- insns )
[ [ dst>> ] [ src1>> ] bi make-copy/float ]
[ dup dst>> >>src1 ]
bi 2array ; inline
: convert-two-operand/float ( insn -- )
[ [ dst>> ] [ src1>> ] bi ##copy-float ]
[ dup dst>> >>src1 , ]
bi ; inline
GENERIC: convert-two-operand* ( insn -- insns )
GENERIC: convert-two-operand* ( insn -- )
M: ##not convert-two-operand*
[ [ dst>> ] [ src>> ] bi make-copy ]
[ dup dst>> >>src ]
bi 2array ;
[ [ dst>> ] [ src>> ] bi ##copy ]
[ dup dst>> >>src , ]
bi ;
M: ##sub convert-two-operand* convert-two-operand/integer ;
M: ##mul convert-two-operand* convert-two-operand/integer ;
@ -50,11 +50,13 @@ M: ##sub-float convert-two-operand* convert-two-operand/float ;
M: ##mul-float convert-two-operand* convert-two-operand/float ;
M: ##div-float convert-two-operand* convert-two-operand/float ;
M: insn convert-two-operand* ;
M: insn convert-two-operand* , ;
: convert-two-operand ( mr -- mr' )
[
two-operand? [
[ convert-two-operand* ] map-flat
] when
] change-instructions ;
: convert-two-operand ( cfg -- cfg' )
two-operand? [
dup [
[
[ [ convert-two-operand* ] each ] V{ } make
] change-instructions drop
] each-basic-block
] when ;

View File

@ -0,0 +1,11 @@
IN: compiler.cfg.useless-blocks.tests
USING: fry kernel sequences compiler.cfg.useless-blocks compiler.cfg.checker
compiler.cfg.debugger compiler.cfg.predecessors tools.test ;
{
[ [ drop 1 ] when ]
[ [ drop 1 ] unless ]
} [
[ [ ] ] dip
'[ _ test-cfg first compute-predecessors delete-useless-blocks check-cfg ] unit-test
] each

View File

@ -1,10 +1,12 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors sequences combinators classes vectors
compiler.cfg compiler.cfg.rpo compiler.cfg.instructions ;
USING: kernel accessors sequences combinators combinators.short-circuit
classes vectors compiler.cfg compiler.cfg.instructions compiler.cfg.rpo ;
IN: compiler.cfg.useless-blocks
: update-predecessor-for-delete ( bb -- )
! We have to replace occurrences of bb with bb's successor
! in bb's predecessor's list of successors.
dup predecessors>> first [
[
2dup eq? [ drop successors>> first ] [ nip ] if
@ -12,9 +14,13 @@ IN: compiler.cfg.useless-blocks
] change-successors drop ;
: update-successor-for-delete ( bb -- )
[ predecessors>> first ]
[ successors>> first predecessors>> ]
bi set-first ;
! We have to replace occurrences of bb with bb's predecessor
! in bb's sucessor's list of predecessors.
dup successors>> first [
[
2dup eq? [ drop predecessors>> first ] [ nip ] if
] with map
] change-predecessors drop ;
: delete-basic-block ( bb -- )
[ update-predecessor-for-delete ]
@ -23,21 +29,21 @@ IN: compiler.cfg.useless-blocks
: delete-basic-block? ( bb -- ? )
{
{ [ dup instructions>> length 1 = not ] [ f ] }
{ [ dup predecessors>> length 1 = not ] [ f ] }
{ [ dup successors>> length 1 = not ] [ f ] }
{ [ dup instructions>> first ##branch? not ] [ f ] }
[ t ]
} cond nip ;
[ instructions>> length 1 = ]
[ predecessors>> length 1 = ]
[ successors>> length 1 = ]
[ instructions>> first ##branch? ]
} 1&& ;
: delete-useless-blocks ( cfg -- cfg' )
dup [
dup delete-basic-block? [ delete-basic-block ] [ drop ] if
] each-basic-block ;
] each-basic-block
f >>post-order ;
: delete-conditional? ( bb -- ? )
dup instructions>> [ drop f ] [
peek class {
last class {
##compare-branch
##compare-imm-branch
##compare-float-branch
@ -46,10 +52,11 @@ IN: compiler.cfg.useless-blocks
: delete-conditional ( bb -- )
dup successors>> first 1vector >>successors
[ but-last f \ ##branch boa suffix ] change-instructions
[ but-last \ ##branch new-insn suffix ] change-instructions
drop ;
: delete-useless-conditionals ( cfg -- cfg' )
dup [
dup delete-conditional? [ delete-conditional ] [ drop ] if
] each-basic-block ;
] each-basic-block
f >>post-order ;

View File

@ -35,5 +35,8 @@ IN: compiler.cfg.utilities
: stop-iterating ( -- next ) end-basic-block f ;
: call-height ( ##call -- n )
[ out-d>> length ] [ in-d>> length ] bi - ;
: emit-primitive ( node -- )
word>> ##call ##branch begin-basic-block ;
[ word>> ] [ call-height ] bi ##call ##branch begin-basic-block ;

View File

@ -22,17 +22,17 @@ M: constant-expr equal?
and
] [ 2drop f ] if ;
SYMBOL: input-expr-counter
: next-input-expr ( -- n )
input-expr-counter [ dup 1 + ] change ;
! Expressions whose values are inputs to the basic block. We
! can eliminate a second computation having the same 'n' as
! the first one; we can also eliminate input-exprs whose
! result is not used.
TUPLE: input-expr < expr n ;
SYMBOL: input-expr-counter
: next-input-expr ( class -- expr )
input-expr-counter [ dup 1 + ] change input-expr boa ;
: constant>vn ( constant -- vn ) <constant> expr>vn ; inline
GENERIC: >expr ( insn -- expr )
@ -80,7 +80,7 @@ M: ##compare-imm >expr compare-imm>expr ;
M: ##compare-float >expr compare>expr ;
M: ##flushable >expr class next-input-expr input-expr boa ;
M: ##flushable >expr class next-input-expr ;
: init-expressions ( -- )
0 input-expr-counter set ;

View File

@ -13,7 +13,7 @@ GENERIC: rewrite ( insn -- insn' )
M: ##mul-imm rewrite
dup src2>> dup power-of-2? [
[ [ dst>> ] [ src1>> ] bi ] [ log2 ] bi* f \ ##shl-imm boa
[ [ dst>> ] [ src1>> ] bi ] [ log2 ] bi* \ ##shl-imm new-insn
dup number-values
] [ drop ] if ;
@ -36,9 +36,9 @@ M: ##mul-imm rewrite
: rewrite-boolean-comparison ( expr -- insn )
src1>> vreg>expr dup op>> {
{ \ ##compare [ >compare-expr< f \ ##compare-branch boa ] }
{ \ ##compare-imm [ >compare-imm-expr< f \ ##compare-imm-branch boa ] }
{ \ ##compare-float [ >compare-expr< f \ ##compare-float-branch boa ] }
{ \ ##compare [ >compare-expr< \ ##compare-branch new-insn ] }
{ \ ##compare-imm [ >compare-imm-expr< \ ##compare-imm-branch new-insn ] }
{ \ ##compare-float [ >compare-expr< \ ##compare-float-branch new-insn ] }
} case ;
: tag-fixnum-expr? ( expr -- ? )
@ -60,11 +60,11 @@ M: ##mul-imm rewrite
GENERIC: rewrite-tagged-comparison ( insn -- insn' )
M: ##compare-imm-branch rewrite-tagged-comparison
(rewrite-tagged-comparison) f \ ##compare-imm-branch boa ;
(rewrite-tagged-comparison) \ ##compare-imm-branch new-insn ;
M: ##compare-imm rewrite-tagged-comparison
[ dst>> ] [ (rewrite-tagged-comparison) ] bi
i f \ ##compare-imm boa ;
i \ ##compare-imm new-insn ;
M: ##compare-imm-branch rewrite
dup rewrite-boolean-comparison? [ rewrite-boolean-comparison ] when
@ -79,7 +79,7 @@ M: ##compare-imm-branch rewrite
[ dst>> ]
[ src2>> ]
[ src1>> vreg>vn vn>constant ] tri
cc= f i \ ##compare-imm boa ;
cc= i \ ##compare-imm new-insn ;
M: ##compare rewrite
dup flip-comparison? [
@ -96,9 +96,9 @@ M: ##compare rewrite
: rewrite-redundant-comparison ( insn -- insn' )
[ cc>> ] [ dst>> ] [ src1>> vreg>expr dup op>> ] tri {
{ \ ##compare [ >compare-expr< i f \ ##compare boa ] }
{ \ ##compare-imm [ >compare-imm-expr< i f \ ##compare-imm boa ] }
{ \ ##compare-float [ >compare-expr< i f \ ##compare-float boa ] }
{ \ ##compare [ >compare-expr< i \ ##compare new-insn ] }
{ \ ##compare-imm [ >compare-imm-expr< i \ ##compare-imm new-insn ] }
{ \ ##compare-float [ >compare-expr< i \ ##compare-float new-insn ] }
} case
swap cc= eq? [ [ negate-cc ] change-cc ] when ;
@ -114,18 +114,4 @@ M: ##compare-imm rewrite
] when
] when ;
: dispatch-offset ( expr -- n )
[ in2>> vn>constant tag-bits get neg shift ] [ op>> ] bi
\ ##sub-imm eq? [ neg ] when ;
: add-dispatch-offset? ( insn -- expr ? )
src>> vreg>expr dup op>> { ##add-imm ##sub-imm } memq? ; inline
M: ##dispatch rewrite
dup add-dispatch-offset? [
[ clone ] dip
[ in1>> vn>vreg >>src ]
[ dispatch-offset '[ _ + ] change-offset ] bi
] [ drop ] if ;
M: insn rewrite ;

View File

@ -2,7 +2,7 @@ IN: compiler.cfg.value-numbering.tests
USING: compiler.cfg.value-numbering compiler.cfg.instructions
compiler.cfg.registers compiler.cfg.debugger cpu.architecture
tools.test kernel math combinators.short-circuit accessors
sequences ;
sequences compiler.cfg vectors arrays ;
: trim-temps ( insns -- insns )
[
@ -13,6 +13,10 @@ sequences ;
} 1|| [ f >>temp ] when
] map ;
: test-value-numbering ( insns -- insns )
{ } init-value-numbering
value-numbering-step ;
[
{
T{ ##peek f V int-regs 45 D 1 }
@ -24,7 +28,7 @@ sequences ;
T{ ##peek f V int-regs 45 D 1 }
T{ ##copy f V int-regs 48 V int-regs 45 }
T{ ##compare-imm-branch f V int-regs 48 7 cc/= }
} value-numbering
} test-value-numbering
] unit-test
[
@ -40,14 +44,14 @@ sequences ;
T{ ##peek f V int-regs 3 D 0 }
T{ ##slot-imm f V int-regs 4 V int-regs 3 1 3 }
T{ ##replace f V int-regs 4 D 0 }
} value-numbering
} test-value-numbering
] unit-test
[ t ] [
{
T{ ##peek f V int-regs 1 D 0 }
T{ ##dispatch f V int-regs 1 V int-regs 2 0 }
} dup value-numbering =
T{ ##dispatch f V int-regs 1 V int-regs 2 }
} dup test-value-numbering =
] unit-test
[ t ] [
@ -60,7 +64,7 @@ sequences ;
T{ ##alien-unsigned-1 f V int-regs 22 V int-regs 21 }
T{ ##shl-imm f V int-regs 23 V int-regs 22 3 }
T{ ##replace f V int-regs 23 D 0 }
} dup value-numbering =
} dup test-value-numbering =
] unit-test
[
@ -76,7 +80,7 @@ sequences ;
T{ ##mul-imm f V int-regs 2 V int-regs 1 8 }
T{ ##shr-imm f V int-regs 3 V int-regs 2 3 }
T{ ##replace f V int-regs 3 D 0 }
} value-numbering
} test-value-numbering
] unit-test
[
@ -94,7 +98,7 @@ sequences ;
T{ ##compare f V int-regs 4 V int-regs 2 V int-regs 1 cc> }
T{ ##compare-imm f V int-regs 6 V int-regs 4 5 cc/= }
T{ ##replace f V int-regs 6 D 0 }
} value-numbering trim-temps
} test-value-numbering trim-temps
] unit-test
[
@ -112,7 +116,7 @@ sequences ;
T{ ##compare f V int-regs 4 V int-regs 2 V int-regs 1 cc<= }
T{ ##compare-imm f V int-regs 6 V int-regs 4 5 cc= }
T{ ##replace f V int-regs 6 D 0 }
} value-numbering trim-temps
} test-value-numbering trim-temps
] unit-test
[
@ -134,7 +138,7 @@ sequences ;
T{ ##compare-float f V int-regs 12 V double-float-regs 10 V double-float-regs 11 cc< }
T{ ##compare-imm f V int-regs 14 V int-regs 12 5 cc= }
T{ ##replace f V int-regs 14 D 0 }
} value-numbering trim-temps
} test-value-numbering trim-temps
] unit-test
[
@ -150,5 +154,18 @@ sequences ;
T{ ##peek f V int-regs 30 D -2 }
T{ ##compare f V int-regs 33 V int-regs 29 V int-regs 30 cc<= }
T{ ##compare-imm-branch f V int-regs 33 5 cc/= }
} value-numbering trim-temps
} test-value-numbering trim-temps
] unit-test
[
{
T{ ##copy f V int-regs 48 V int-regs 45 }
T{ ##compare-imm-branch f V int-regs 45 7 cc/= }
}
] [
{ V int-regs 45 } init-value-numbering
{
T{ ##copy f V int-regs 48 V int-regs 45 }
T{ ##compare-imm-branch f V int-regs 48 7 cc/= }
} value-numbering-step
] unit-test

View File

@ -2,6 +2,8 @@
! See http://factorcode.org/license.txt for BSD license.
USING: namespaces assocs biassocs classes kernel math accessors
sorting sets sequences
compiler.cfg.local
compiler.cfg.liveness
compiler.cfg.value-numbering.graph
compiler.cfg.value-numbering.expressions
compiler.cfg.value-numbering.propagate
@ -9,7 +11,16 @@ compiler.cfg.value-numbering.simplify
compiler.cfg.value-numbering.rewrite ;
IN: compiler.cfg.value-numbering
: value-numbering ( insns -- insns' )
: number-input-values ( live-in -- )
[ [ f next-input-expr simplify ] dip set-vn ] each ;
: init-value-numbering ( live-in -- )
init-value-graph
init-expressions
number-input-values ;
: value-numbering-step ( insns -- insns' )
[ [ number-values ] [ rewrite propagate ] bi ] map ;
: value-numbering ( cfg -- cfg' )
[ init-value-numbering ] [ value-numbering-step ] local-optimization ;

View File

@ -1,8 +1,11 @@
USING: compiler.cfg.write-barrier compiler.cfg.instructions
compiler.cfg.registers compiler.cfg.debugger cpu.architecture
arrays tools.test ;
arrays tools.test vectors compiler.cfg kernel accessors ;
IN: compiler.cfg.write-barrier.tests
: test-write-barrier ( insns -- insns )
write-barriers-step ;
[
{
T{ ##peek f V int-regs 4 D 0 f }
@ -24,7 +27,7 @@ IN: compiler.cfg.write-barrier.tests
T{ ##set-slot-imm f V int-regs 6 V int-regs 7 2 3 }
T{ ##write-barrier f V int-regs 7 V int-regs 12 V int-regs 13 }
T{ ##replace f V int-regs 7 D 0 }
} eliminate-write-barriers
} test-write-barrier
] unit-test
[
@ -42,7 +45,7 @@ IN: compiler.cfg.write-barrier.tests
T{ ##peek f V int-regs 6 D -2 }
T{ ##set-slot-imm f V int-regs 5 V int-regs 6 3 2 }
T{ ##write-barrier f V int-regs 6 V int-regs 7 V int-regs 8 }
} eliminate-write-barriers
} test-write-barrier
] unit-test
[
@ -69,5 +72,5 @@ IN: compiler.cfg.write-barrier.tests
T{ ##copy f V int-regs 29 V int-regs 19 }
T{ ##set-slot-imm f V int-regs 28 V int-regs 29 4 2 }
T{ ##write-barrier f V int-regs 29 V int-regs 30 V int-regs 3 }
} eliminate-write-barriers
} test-write-barrier
] unit-test

View File

@ -1,7 +1,8 @@
! Copyright (C) 2008 Slava Pestov.
! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel accessors namespaces assocs sets sequences locals
compiler.cfg compiler.cfg.instructions compiler.cfg.copy-prop ;
compiler.cfg compiler.cfg.instructions compiler.cfg.copy-prop
compiler.cfg.liveness compiler.cfg.local ;
IN: compiler.cfg.write-barrier
! Eliminate redundant write barrier hits.
@ -35,8 +36,11 @@ M: ##set-slot-imm eliminate-write-barrier
M: insn eliminate-write-barrier ;
: eliminate-write-barriers ( insns -- insns' )
: write-barriers-step ( insns -- insns' )
H{ } clone safe set
H{ } clone mutated set
H{ } clone copies set
[ eliminate-write-barrier ] map sift ;
: eliminate-write-barriers ( cfg -- cfg' )
[ drop ] [ write-barriers-step ] local-optimization ;

View File

@ -0,0 +1,14 @@
IN: compiler.codegen.tests
USING: compiler.codegen.fixup tools.test cpu.architecture math kernel make
compiler.constants ;
[ ] [ [ ] with-fixup drop ] unit-test
[ ] [ [ \ + %call ] with-fixup drop ] unit-test
[ ] [ [ <label> dup define-label dup resolve-label %jump-label ] with-fixup drop ] unit-test
[ ] [ [ <label> dup define-label dup resolve-label B{ 0 0 0 0 } % rc-absolute-cell label-fixup ] with-fixup drop ] unit-test
! Error checking
[ [ <label> dup define-label %jump-label ] with-fixup ] must-fail
[ [ <label> dup define-label B{ 0 0 0 0 } % rc-relative label-fixup ] with-fixup ] must-fail
[ [ <label> dup define-label B{ 0 0 0 0 } % rc-absolute-cell label-fixup ] with-fixup ] must-fail

View File

@ -26,14 +26,6 @@ SYMBOL: registers
: ?register ( obj -- operand )
dup vreg? [ register ] when ;
: generate-insns ( insns -- code )
[
[
dup regs>> registers set
generate-insn
] each
] { } make fixup ;
TUPLE: asm label code calls ;
SYMBOL: calls
@ -51,17 +43,22 @@ SYMBOL: labels
: init-generator ( word -- )
H{ } clone labels set
V{ } clone literal-table set
V{ } clone calls set
compiling-word set
compiled-stack-traces? [ compiling-word get add-literal ] when ;
: generate-insns ( asm -- code )
[
[ word>> init-generator ]
[
instructions>>
[ [ regs>> registers set ] [ generate-insn ] bi ] each
] bi
] with-fixup ;
: generate ( mr -- asm )
[
[ label>> ]
[ word>> init-generator ]
[ instructions>> generate-insns ] tri
calls get
[ label>> ] [ generate-insns ] bi calls get
asm boa
] with-scope ;
@ -92,10 +89,11 @@ M: ##jump generate-insn word>> [ add-call ] [ %jump ] bi ;
M: ##return generate-insn drop %return ;
M: ##dispatch-label generate-insn label>> %dispatch-label ;
M: _dispatch generate-insn
[ src>> register ] [ temp>> register ] bi %dispatch ;
M: ##dispatch generate-insn
[ src>> register ] [ temp>> register ] [ offset>> ] tri %dispatch ;
M: _dispatch-label generate-insn
label>> lookup-label %dispatch-label ;
: >slot< ( insn -- dst obj slot tag )
{
@ -236,7 +234,7 @@ M: ##write-barrier generate-insn
[ table>> register ]
tri %write-barrier ;
M: _gc generate-insn drop %gc ;
M: ##gc generate-insn drop %gc ;
M: ##loop-entry generate-insn drop %loop-entry ;
@ -486,7 +484,7 @@ M: _epilogue generate-insn
stack-frame>> total-size>> %epilogue ;
M: _label generate-insn
id>> lookup-label , ;
id>> lookup-label resolve-label ;
M: _branch generate-insn
label>> lookup-label %jump-label ;

View File

@ -4,48 +4,48 @@ USING: arrays byte-arrays byte-vectors generic assocs hashtables
io.binary kernel kernel.private math namespaces make sequences
words quotations strings alien.accessors alien.strings layouts
system combinators math.bitwise math.order
accessors growable cpu.architecture compiler.constants ;
accessors growable compiler.constants ;
IN: compiler.codegen.fixup
GENERIC: fixup* ( obj -- )
! Literal table
SYMBOL: literal-table
: add-literal ( obj -- ) literal-table get push ;
! Labels
SYMBOL: label-table
TUPLE: label offset ;
: <label> ( -- label ) label new ;
: define-label ( name -- ) <label> swap set ;
: compiled-offset ( -- n ) building get length ;
: resolve-label ( label/name -- )
dup label? [ get ] unless
compiled-offset >>offset drop ;
: offset-for-class ( class -- n )
rc-absolute-cell = cell 4 ? compiled-offset swap - ;
TUPLE: label-fixup { label label } { class integer } { offset integer } ;
: label-fixup ( label class -- )
dup offset-for-class \ label-fixup boa label-table get push ;
! Relocation table
SYMBOL: relocation-table
SYMBOL: label-table
M: label fixup* compiled-offset >>offset drop ;
TUPLE: label-fixup label class ;
: label-fixup ( label class -- ) \ label-fixup boa , ;
M: label-fixup fixup*
dup class>> rc-absolute?
[ "Absolute labels not supported" throw ] when
[ class>> ] [ label>> ] bi compiled-offset 4 - swap
3array label-table get push ;
TUPLE: rel-fixup class type ;
: rel-fixup ( class type -- ) \ rel-fixup boa , ;
: push-4 ( value vector -- )
[ length ] [ B{ 0 0 0 0 } swap push-all ] [ underlying>> ] tri
swap set-alien-unsigned-4 ;
M: rel-fixup fixup*
[ type>> ]
[ class>> ]
[ class>> rc-absolute-cell = cell 4 ? compiled-offset swap - ] tri
{ 0 24 28 } bitfield
relocation-table get push-4 ;
: add-relocation-entry ( type class offset -- )
{ 0 24 28 } bitfield relocation-table get push-4 ;
M: integer fixup* , ;
SYMBOL: literal-table
: add-literal ( obj -- ) literal-table get push ;
: rel-fixup ( class type -- )
swap dup offset-for-class add-relocation-entry ;
: add-dlsym-literals ( symbol dll -- )
[ string>symbol add-literal ] [ add-literal ] bi* ;
@ -74,22 +74,34 @@ SYMBOL: literal-table
: rel-here ( offset class -- )
[ add-literal ] dip rt-here rel-fixup ;
! And the rest
: resolve-offset ( label-fixup -- offset )
label>> offset>> [ "Unresolved label" throw ] unless* ;
: resolve-absolute-label ( label-fixup -- )
dup resolve-offset neg add-literal
[ rt-here ] dip [ class>> ] [ offset>> ] bi add-relocation-entry ;
: resolve-relative-label ( label-fixup -- label )
[ class>> ] [ offset>> ] [ resolve-offset ] tri 3array ;
: resolve-labels ( label-fixups -- labels' )
[ class>> rc-absolute? ] partition
[ [ resolve-absolute-label ] each ]
[ [ resolve-relative-label ] map concat ]
bi* ;
: init-fixup ( -- )
BV{ } clone relocation-table set
V{ } clone label-table set ;
V{ } clone literal-table set
V{ } clone label-table set
BV{ } clone relocation-table set ;
: resolve-labels ( labels -- labels' )
[
first3 offset>>
[ "Unresolved label" throw ] unless*
3array
] map concat ;
: fixup ( fixup-directives -- code )
: with-fixup ( quot -- code )
[
init-fixup
[ fixup* ] each
call
label-table [ resolve-labels ] change
literal-table get >array
relocation-table get >byte-array
label-table get resolve-labels
] B{ } make 4array ;
label-table get
] B{ } make 4array ; inline

View File

@ -2,14 +2,21 @@
! See http://factorcode.org/license.txt for BSD license.
USING: accessors kernel namespaces arrays sequences io words fry
continuations vocabs assocs dlists definitions math graphs generic
generic.single combinators deques search-deques macros io
source-files.errors stack-checker stack-checker.state
stack-checker.inlining stack-checker.errors combinators.short-circuit
compiler.errors compiler.units compiler.tree.builder
compiler.tree.optimizer compiler.cfg.builder compiler.cfg.optimizer
compiler.cfg.linearization compiler.cfg.two-operand
compiler.cfg.linear-scan compiler.cfg.stack-frame compiler.codegen
compiler.utilities ;
generic.single combinators deques search-deques macros
source-files.errors combinators.short-circuit
stack-checker stack-checker.state stack-checker.inlining stack-checker.errors
compiler.errors compiler.units compiler.utilities
compiler.tree.builder
compiler.tree.optimizer
compiler.cfg.builder
compiler.cfg.optimizer
compiler.cfg.mr
compiler.codegen ;
IN: compiler
SYMBOL: compile-queue
@ -89,11 +96,11 @@ M: predicate-engine-word no-compile? "owner-generic" word-prop no-compile? ;
: not-compiled-def ( word error -- def )
'[ _ _ not-compiled ] [ ] like ;
: deoptimize* ( word -- * )
dup def>> deoptimize-with ;
: ignore-error ( word error -- * )
drop
[ clear-compiler-error ]
[ dup def>> deoptimize-with ]
bi ;
drop [ clear-compiler-error ] [ deoptimize* ] bi ;
: remember-error ( word error -- * )
[ swap <compiler-error> compiler-error ]
@ -117,13 +124,13 @@ M: predicate-engine-word no-compile? "owner-generic" word-prop no-compile? ;
: contains-breakpoints? ( -- ? )
dependencies get keys [ "break?" word-prop ] any? ;
: frontend ( word -- nodes )
: frontend ( word -- tree )
#! If the word contains breakpoints, don't optimize it, since
#! the walker does not support this.
dup optimize? [
[ [ build-tree ] [ deoptimize ] recover optimize-tree ] keep
contains-breakpoints? [ nip dup def>> deoptimize-with ] [ drop ] if
] [ dup def>> deoptimize-with ] if ;
contains-breakpoints? [ nip deoptimize* ] [ drop ] if
] [ deoptimize* ] if ;
: compile-dependency ( word -- )
#! If a word calls an unoptimized word, try to compile the callee.
@ -143,13 +150,10 @@ t compile-dependencies? set-global
[ compile-dependencies ]
bi ;
: backend ( nodes word -- )
: backend ( tree word -- )
build-cfg [
optimize-cfg
build-mr
convert-two-operand
linear-scan
build-stack-frame
generate
save-asm
] each ;

Some files were not shown because too many files have changed in this diff Show More