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Improving modular arithmetic optimization to be aware of words like set-alien-unsigned-2

db4
Daniel Ehrenberg 2009-07-09 23:07:38 -05:00
parent bb701bed7e
commit cf3038b7d6
2 changed files with 47 additions and 4 deletions
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37
basis/compiler/tree/modular-arithmetic/modular-arithmetic-tests.factor
View File

@ -3,7 +3,8 @@ USING: kernel kernel.private tools.test math math.partial-dispatch
math.private accessors slots.private sequences strings sbufs
compiler.tree.builder
compiler.tree.optimizer
compiler.tree.debugger ;
compiler.tree.debugger
alien.accessors layouts combinators byte-arrays ;
: test-modular-arithmetic ( quot -- quot' )
build-tree optimize-tree nodes>quot ;
@ -135,4 +136,36 @@ TUPLE: declared-fixnum { x fixnum } ;
] unit-test
[ [ >fixnum 255 fixnum-bitand ] ]
[ [ >integer 256 rem ] test-modular-arithmetic ] unit-test
[ [ >integer 256 rem ] test-modular-arithmetic ] unit-test
[ [ "COMPLEX SHUFFLE" fixnum+fast "COMPLEX SHUFFLE" set-alien-unsigned-1 ] ]
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-unsigned-1 ] test-modular-arithmetic ] unit-test
[ [ "COMPLEX SHUFFLE" fixnum+fast "COMPLEX SHUFFLE" set-alien-unsigned-2 ] ]
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-unsigned-2 ] test-modular-arithmetic ] unit-test
cell {
{ 4 [ [ [ "COMPLEX SHUFFLE" fixnum+ "COMPLEX SHUFFLE" set-alien-unsigned-4 ] ] ] }
{ 8 [ [ [ "COMPLEX SHUFFLE" fixnum+fast "COMPLEX SHUFFLE" set-alien-unsigned-4 ] ] ] }
} case
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-unsigned-4 ] test-modular-arithmetic ] unit-test
[ [ "COMPLEX SHUFFLE" fixnum+ "COMPLEX SHUFFLE" set-alien-unsigned-8 ] ]
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-unsigned-8 ] test-modular-arithmetic ] unit-test
[ [ "COMPLEX SHUFFLE" fixnum+fast "COMPLEX SHUFFLE" set-alien-signed-1 ] ]
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-signed-1 ] test-modular-arithmetic ] unit-test
[ [ "COMPLEX SHUFFLE" fixnum+fast "COMPLEX SHUFFLE" set-alien-signed-2 ] ]
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-signed-2 ] test-modular-arithmetic ] unit-test
cell {
{ 4 [ [ [ "COMPLEX SHUFFLE" fixnum+ "COMPLEX SHUFFLE" set-alien-signed-4 ] ] ] }
{ 8 [ [ [ "COMPLEX SHUFFLE" fixnum+fast "COMPLEX SHUFFLE" set-alien-signed-4 ] ] ] }
} case
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-signed-4 ] test-modular-arithmetic ] unit-test
[ [ "COMPLEX SHUFFLE" fixnum+ "COMPLEX SHUFFLE" set-alien-signed-8 ] ]
[ [ [ { fixnum fixnum } declare + ] 2dip set-alien-signed-8 ] test-modular-arithmetic ] unit-test
[ t ] [ [ { fixnum byte-array } declare [ + ] with map ] { + fixnum+ >fixnum } inlined? ] unit-test

14
basis/compiler/tree/modular-arithmetic/modular-arithmetic.factor
View File

@ -2,7 +2,7 @@
! See http://factorcode.org/license.txt for BSD license.
USING: math math.partial-dispatch namespaces sequences sets
accessors assocs words kernel memoize fry combinators
combinators.short-circuit
combinators.short-circuit layouts alien.accessors
compiler.tree
compiler.tree.combinators
compiler.tree.def-use
@ -28,6 +28,16 @@ IN: compiler.tree.modular-arithmetic
{ bitand bitor bitxor bitnot }
[ t "modular-arithmetic" set-word-prop ] each
{
>fixnum
set-alien-unsigned-1 set-alien-signed-1
set-alien-unsigned-2 set-alien-signed-2
}
cell 8 = [
{ set-alien-unsigned-4 set-alien-signed-4 } append
] when
[ t "low-order" set-word-prop ] each
SYMBOL: modularize-values
: modular-value? ( value -- ? )
@ -54,7 +64,7 @@ M: node maybe-modularize* 2drop ;
GENERIC: compute-modularized-values* ( node -- )
M: #call compute-modularized-values*
dup word>> \ >fixnum eq?
dup word>> "low-order" word-prop
[ in-d>> first maybe-modularize ] [ drop ] if ;
M: node compute-modularized-values* drop ;