1 ! Copyright (C) 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors alien byte-arrays fry cpu.architecture kernel math
4 sequences math.vectors math.vectors.simd.intrinsics macros
5 generalizations combinators combinators.short-circuit arrays locals
6 compiler.tree.propagation.info compiler.cfg.builder.blocks
7 compiler.cfg.comparisons
8 compiler.cfg.stacks compiler.cfg.stacks.local compiler.cfg.hats
9 compiler.cfg.instructions compiler.cfg.registers
10 compiler.cfg.intrinsics.alien
12 FROM: alien.c-types => heap-size char uchar float double ;
13 SPECIALIZED-ARRAYS: float double ;
14 IN: compiler.cfg.intrinsics.simd
16 MACRO: check-elements ( quots -- )
17 [ length '[ _ firstn ] ]
19 [ length 1 - \ and <repetition> [ ] like ]
22 MACRO: if-literals-match ( quots -- )
23 [ length ] [ ] [ length ] tri
29 _ tail-slice* [ literal>> ] map
36 ] [ 2drop emit-primitive ] if
39 : emit-vector-op ( node quot: ( rep -- ) -- )
40 { [ representation? ] } if-literals-match ; inline
42 : [binary] ( quot -- quot' )
43 '[ [ ds-drop 2inputs ] dip @ ds-push ] ; inline
45 : emit-binary-vector-op ( node quot -- )
46 [binary] emit-vector-op ; inline
48 : [unary] ( quot -- quot' )
49 '[ [ ds-drop ds-pop ] dip @ ds-push ] ; inline
51 : emit-unary-vector-op ( node quot -- )
52 [unary] emit-vector-op ; inline
54 : [unary/param] ( quot -- quot' )
55 '[ [ -2 inc-d ds-pop ] 2dip @ ds-push ] ; inline
57 : emit-horizontal-shift ( node quot -- )
59 { [ integer? ] [ representation? ] } if-literals-match ; inline
61 : emit-gather-vector-2 ( node -- )
62 [ ^^gather-vector-2 ] emit-binary-vector-op ;
64 : emit-gather-vector-4 ( node -- )
78 : variable-shuffle? ( obj -- ? )
79 ! the vshuffle intrinsic current doesn't allow variable shuffles
82 : immediate-shuffle? ( obj -- ? ) { [ array? ] [ [ integer? ] all? ] } 1&& ;
84 : shuffle? ( obj -- ? ) { [ variable-shuffle? ] [ immediate-shuffle? ] } 1|| ;
86 : (>variable-shuffle) ( shuffle rep -- shuffle )
87 rep-component-type heap-size
88 [ dup <repetition> >byte-array ]
89 [ iota >byte-array ] bi
90 '[ _ n*v _ v+ ] map concat ;
92 : >variable-shuffle ( shuffle rep -- shuffle' )
93 over immediate-shuffle? [ (>variable-shuffle) ] [ drop ] if ;
95 : generate-shuffle-vector-imm? ( shuffle rep -- ? )
97 [ drop immediate-shuffle? ]
98 [ nip %shuffle-vector-imm-reps member? ]
101 : generate-shuffle-vector ( src shuffle rep -- dst )
102 2dup generate-shuffle-vector-imm?
103 [ ^^shuffle-vector-imm ]
105 [ >variable-shuffle ^^load-constant ] keep
109 : emit-shuffle-vector ( node -- )
110 ! Pad the permutation with zeroes if it's too short, since we
111 ! can't throw an error at this point.
112 [ [ rep-components 0 pad-tail ] keep generate-shuffle-vector ] [unary/param]
113 { [ shuffle? ] [ representation? ] } if-literals-match ;
115 : ^^broadcast-vector ( src n rep -- dst )
116 [ rep-components swap <array> ] keep
117 generate-shuffle-vector ;
119 : emit-broadcast-vector ( node -- )
120 [ ^^broadcast-vector ] [unary/param]
121 { [ integer? ] [ representation? ] } if-literals-match ;
123 : ^^with-vector ( src rep -- dst )
124 [ ^^scalar>vector ] keep [ 0 ] dip ^^broadcast-vector ;
126 : ^^select-vector ( src n rep -- dst )
127 [ ^^broadcast-vector ] keep ^^vector>scalar ;
129 : emit-select-vector ( node -- )
130 [ ^^select-vector ] [unary/param]
131 { [ integer? ] [ representation? ] } if-literals-match ; inline
133 : emit-alien-vector ( node -- )
136 ds-drop prepare-alien-getter
137 _ ^^alien-vector ds-push
139 [ inline-alien-getter? ] inline-alien
140 ] with emit-vector-op ;
142 : emit-set-alien-vector ( node -- )
145 ds-drop prepare-alien-setter ds-pop
148 [ byte-array inline-alien-setter? ]
150 ] with emit-vector-op ;
152 : generate-not-vector ( src rep -- dst )
153 dup %not-vector-reps member?
155 [ [ ^^fill-vector ] [ ^^xor-vector ] bi ] if ;
157 :: (generate-compare-vector) ( src1 src2 rep {cc,swap} -- dst )
158 {cc,swap} first2 :> swap? :> cc
160 [ src2 src1 rep cc ^^compare-vector ]
161 [ src1 src2 rep cc ^^compare-vector ] if ;
163 :: generate-compare-vector ( src1 src2 rep orig-cc -- dst )
164 rep orig-cc %compare-vector-ccs :> not? :> ccs
167 [ rep not? [ ^^fill-vector ] [ ^^zero-vector ] if ]
169 ccs unclip :> first-cc :> rest-ccs
170 src1 src2 rep first-cc (generate-compare-vector) :> first-dst
173 [ [ src1 src2 rep ] dip (generate-compare-vector) rep ^^or-vector ]
176 not? [ rep generate-not-vector ] when
179 :: generate-unpack-vector-head ( src rep -- dst )
182 [ rep %unpack-vector-head-reps member? ]
183 [ src rep ^^unpack-vector-head ]
186 rep ^^zero-vector :> zero
187 zero src rep cc> ^^compare-vector :> sign
188 src sign rep ^^merge-vector-head
192 :: generate-unpack-vector-tail ( src rep -- dst )
195 [ rep %unpack-vector-tail-reps member? ]
196 [ src rep ^^unpack-vector-tail ]
199 [ rep %unpack-vector-head-reps member? ]
201 src rep ^^tail>head-vector :> tail
202 tail rep ^^unpack-vector-head
206 rep ^^zero-vector :> zero
207 zero src rep cc> ^^compare-vector :> sign
208 src sign rep ^^merge-vector-tail
212 :: generate-load-neg-zero-vector ( rep -- dst )
214 { float-4-rep [ float-array{ -0.0 -0.0 -0.0 -0.0 } underlying>> ^^load-constant ] }
215 { double-2-rep [ double-array{ -0.0 -0.0 } underlying>> ^^load-constant ] }
216 [ drop rep ^^zero-vector ]
219 :: generate-neg-vector ( src rep -- dst )
220 rep generate-load-neg-zero-vector
221 src rep ^^sub-vector ;
223 :: generate-blend-vector ( mask true false rep -- dst )
224 mask true rep ^^and-vector
225 mask false rep ^^andn-vector
228 :: generate-abs-vector ( src rep -- dst )
231 [ rep unsigned-int-vector-rep? ]
235 [ rep %abs-vector-reps member? ]
236 [ src rep ^^abs-vector ]
239 [ rep float-vector-rep? ]
241 rep generate-load-neg-zero-vector
242 src rep ^^andn-vector
246 rep ^^zero-vector :> zero
247 zero src rep ^^sub-vector :> -src
248 zero src rep cc> ^^compare-vector :> sign
249 sign -src src rep generate-blend-vector