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RicE

db4
Slava Pestov 2008-11-02 03:58:32 -06:00
parent 998637109a
commit d11a779fdd
3 changed files with 18 additions and 2 deletions
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10
basis/compiler/cfg/def-use/def-use.factor
View File

@ -32,3 +32,13 @@ M: ##alien-setter uses-vregs [ src>> ] [ value>> ] bi 2array ;
M: _conditional-branch uses-vregs [ src1>> ] [ src2>> ] bi 2array ;
M: _compare-imm-branch uses-vregs src1>> 1array ;
M: insn uses-vregs drop f ;
UNION: vreg-insn
##flushable
##write-barrier
##dispatch
##effect
##conditional-branch
##compare-imm-branch
_conditional-branch
_compare-imm-branch ;

6
basis/compiler/cfg/linear-scan/assignment/assignment.factor
View File

@ -59,13 +59,17 @@ SYMBOL: unhandled-intervals
] [ 2drop ] if
] if ;
: (assign-registers) ( insn -- )
GENERIC: (assign-registers) ( insn -- )
M: vreg-insn (assign-registers)
dup
[ defs-vregs ] [ uses-vregs ] bi append
active-intervals get swap '[ vreg>> _ member? ] filter
[ [ vreg>> ] [ reg>> ] bi ] { } map>assoc
>>regs drop ;
M: insn (assign-registers) drop ;
: init-assignment ( live-intervals -- )
V{ } clone active-intervals set
<min-heap> unhandled-intervals set

4
basis/compiler/cfg/linear-scan/live-intervals/live-intervals.factor
View File

@ -40,7 +40,9 @@ SYMBOL: live-intervals
GENERIC# compute-live-intervals* 1 ( insn n -- )
M: insn compute-live-intervals*
M: insn compute-live-intervals* 2drop ;
M: vreg-insn compute-live-intervals*
live-intervals get
[ [ uses-vregs ] 2dip '[ _ swap _ at add-use ] each ]
[ [ defs-vregs ] 2dip '[ _ swap _ new-live-interval ] each ]