1+1=1 : an optimizing Caml compiler

Texte intégral

(1)1+1=1 : an optimizing Caml compiler Manuel Serrano, Pierre Weis. To cite this version: Manuel Serrano, Pierre Weis. 1+1=1 : an optimizing Caml compiler. [Research Report] RR-2301, INRIA. 1994. �inria-00074372�. HAL Id: inria-00074372 https://hal.inria.fr/inria-00074372 Submitted on 24 May 2006. HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés..

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(23) !Y& . NQ%' &% np4'4<y=K=8:0cFRMV=+r LA+59t+.25KIFR8G4'70258 23+=UB;=8G4N>JBL,Vb0LFG>OV=+r L,+59<+.23K=FG8G40D23+=UB;=8G4"FG25KI8R4W254NMB L<0LAFG+/M0cMbU50 23+=UB;=8G4FGMqL,4N)x|x0.9<4.~ t. Z. . !!"$#%!$!&'&"(*)(*!"$+. A. !!"$#%!"(*&CB=DE)GF9&C+. n V=4NM 9<+.23K=FG8GFRMI-L,V=4FG25K=8G4N234NMBL10L,FG+MoKb0c)ALD+c|0p70238Q25+=UB;I8R4x0 ,/.10E8R4jN J 2435.1012K=),+ <9 4W>A>A4W>FGLD0>D;=>,;b08xJ*;=MBL,FR8LAVI4>A4N20MBLAF:9<> +|"L,V=4K=),+.-/)102 FR> 4<y=K=8GF:9<FGLu2436.7012KE4N)x|+/)A23>>,@qMBL<0jy 0cMb08G@B>AFG>J/Lx@BKb4'9,V=49,BFRMI-bJ/Mb0234),4N>A+/8R;ILAFG+.MH/;b08GF}9N0cLAFG+.M +|vF:UB4WMqL,F}b4N)A><NJBKb0cLAL,4N)AM320L<9,V=FGM=-bJ0MEU K=),+=UB;b9<L,FR+/M+| 98"9<+=UB4/~bVIFR>: ;8]9t+zUz4FG>LAV=4NMr)AFGLAL,4NMFRMBL,+0<,!0=35.Db8G4.~ VI4NM570238R+B+OLA)10cM=>A8:0cLA4N>LAV=>4 ,!0?35.YE8R4FGMBLA+ 0I9AVI4N254b8G4OrV=F:9AVDFG>9t+.25KIFR8G4UCq@ LAVI4")A4W-.;=8:0) FG-.8G+B+9<+/25K=FG8G4N)j~ TxML,V=4Ob-.;=),4N>JIr4'r),FRL,4YFGM5eQ£ /x9¤ @AkEl LAV=4YKE0>A>,4N>"r4Y0.U=U3L,+D+.C=L<0FGM5L,V=4'M=4Nr9<+/25K=FG8G4N)~

(24) I+.)LAVI4FGMBLA4W)x|0/9<4'Kb0),L+c|g0 70258I25+=UB;=8G4'H 0 ,/.70*I'E8R4jNJJ 2435.1012'K=)A+=9<4W>A>A4W>FGL0>;=>,;b08xJ/-.4NMI4< <) 0LAFGM=- 09t+.25KIFR8G4UFRMBL,4N)x|0/9<4Yx0>,LKJIOb8G4NJ/0MbU FGMD0.U=UBFGL,FR+/M0>,NM=2=Ib8G4"9<+.MBL<0FGM=FGM=-'FG25KE+.)AL*9<8:0;=>,4N> |+/)DLAV=4 QFG-.8G+B+p25+=UB;I8R43>A@B>AL,4N2o~Q7+/25K=FG8G4UëFRMBL,4N)x|0/9<4N>3>A4N),{.4p0>D;=>,;b08OLA+!4WM=>A;=),4oFGMb9t)A4N234NMBL108 O ´º»¿Á³.

(25) \ \\. '. (-

(26) ' ( . +. .ml file. - Parsing Front-end:. camlc. - Type Checking - Pattern Matching - Dump Lambda. .lam file. camloo. Pipe:. - Rewriting - Mapping. .scm file. - Parsing - Inlining - 0cfa Back-end:. bigloo. .o. - Curryfication Optimization - Closure Analysis - ... - Code Generation.

(27) ?FG-.;I)A4 =u=FG-.8G+B+buB9<+.23K=FG8RFGM=-Y0D70c258=FG25KI8R4W254NMBL10cLAFG+.M pt. ´7 565 4. Õ<Ö â Ó.

(28) . . . '0. & %. ),49<+.23K=FG8:0LAFG+/M+c|g70238B25+=UB;=8G4N>jJ.rV=FG8G4 ,NM=2?I'E8R4W>0c)A4";I>A4U3CB@5QFG-/8R+B+YL,+9t+.25KIFR8G4FG25K=8G4N234NMBL10j L,FR+/M=>~ .mli file. - Parsing - Type Checking. camlc. Front-end:. - Dump interface. .sci file .zi file.

(29) ?FG-.;I)A4YZ=u=FG-.8G+B+bu=9<+/25K=FG8GFGM=-Y070c258E25+=UB;=8G4"FGMBLA4W)x|0/9<4 . . !!"$# F $&C& B ) . . FG-.8G+B+Vb0c>50 C=;=FG8GLAFGM!K=),4NK=),+z9t4N>A>,FRMI-!254j9AVE0M=FG>A2 rV=F:9AVKE4N)A23FGLA>D0.U=UBFGL,FR+/M!+c|;=>,4N)xAUB4<bMI4U Kb0c>A>,4N>'LA+5L,V=49<+/25K=FG8G4N)|)A+/MBLxx4NMbU ~ BFGMb9<4aLAV=4YFGMB{.+=9N0cLAFG+.M+c|gL,V=4N>,4K=),4NK=),+z9t4N>A>,FRMI-KE0>A>,4N>Y9N0MCb4 0c>A>A+=9<F:0cLA4ULA+ b8G4Y>,;BDy=4N>;J 2436.70120cMbU70238R+B+0c)A4YFGMB{.+/.4U3rV=4WMoQFG-/8R+B+ 4NMb9<+/;=MBLA4N),><0 ,/.70D+.) ,/.701IE8R4/u >A4N4WM |)A+/2 QFG-.8G+B+bJILAV=4570c258vFR-/VBL|),+.MBL'4NMbUFR>QS<;I>ALY03M=4NrKE0>A>Y0/U=UB4U CE4<|+/)A4 LAV=4 9<+/25K=FG8:0L,FG+.M+|"=9,V=4N23459<+=UB4»FRM LAVI4D>AK=FG)AFGLY+c|20.9<),+4<y=Kb0M=>,FG+.M Kb0>,>A4N><N~*V=4NMpr4"S<;=>,LYVb0j{/4 L,+DFRMB{/+..4YFG-.8G+B+YLA+59<+/25K=FG8G40D70c258=23+=UB;=8G4.~BVb0cL >rVB@3LAV=4YMI4Nrs9t+.25KIFR8G4N)FG>Mb0234U5FG-.8G+B+ 0c>Dr4N8G8xJ*0MbUë>AFGMb9<4FGL0c;=LA+/20cLAF:9N08G8G@LA;=),M=>DLA+!I9AVI4N2549<+.23K=FG8 0cLAFG+.M|+.)D% 0 ,NM=2.pb8G4.J*LAVI45M=4Nr 9<+/25K=FG8G4N)FG>"0 ' ' - O9<+.23K=FG8R4W)~ -/. % #

(30) 5

(31) 5 . %a$% "

(32) #$ %'& FG-.8G+B+ "G\ZBJ*\ $gFG>O+.M=4 +|L,V=4DCE4N>ALY=9,V=4N2349t+.25KIFR8G4N),>0j{.0cFR8:0cC=8G4.~.TxL'K=),+=UB;b9<4N>a{.4N),@4<9<FG4NMBL 9<+=UB4O{BF 0'0YI9AVI4N254L,+7 L,)10MI>A8:0L,FR+/Mv~TxLQ;I>A4N>20cMq@'KE+r4W)x|;=8ELA4j9AVIM=F:H.;I4N>L,+Y+.KILAFG25FGN4*|»;=Mb9<L,FR+/Mb08 K=),+.-/)1023>JB>,;b9,V 0c> , ''0cMb08G@B>AFG> "G\ BJ*\N%` $AJI+.KE4NMo9<+=UBFGM=-EJb9<+/2525+/MD>A;=CE4<y=K=),4N>A>,FR+/M=>'4N8GFG25FGMb0L,FG+.MvJ +/K=LAFG25FGN4jUY9<8G+.>,;=)A408G8G+=9N0L,FR+/MvJ ;88GFÁ|»LAFGM=-bJj9<+.23K=FG8G4<L,FG2D4 Ex)A4UB;E9<LAFG+.M?Jq9<+/M=>AL<0MBL?|+.8:UBFGM=-EJ<)A49t;=)A>,FR{/4 9N0c8G8R>a+.K=L,FR23FG0L,FR+/Mv~BTxMp>AVI+.)ALjJ LAVIFR> 9<+.23K=FG8R4W)"M=4N{/4N)D08G8G+z9W0LA4W>>,LA),;b9<LA;I)A43|+.)Y9<+/MBLA)A+/8} b+r 8G+B+.K=> 0c)A459<+/25K=FG8G4U0c>7 8R+B+/K=>J UBFG)A4j9<L9W08G8G>L,+-.8G+/Cb08|;=Mb9<L,FG+.M=>0c)A459<+/25K=FG8G4U0c>7 |»;=Mb9<L,FR+/M!9N08G8G>J 0cMbU3LAV=4N),4<|+/)A4YL,V=408G8G+=9N0L,FG+.MD+|Q9<8G+.>,;=)A4N>'FG>FRMz|)A4H/;=4WMqL<N~ 4NL*;=>UB4W>19<),FRCE4">,+.234Q+|bL,V=4N>,4"+.KILAFG25FG0cLAFG+.M=> 0MEUY8G+B+.Y0L*>,+.2544<yb023K=8G4N>v+c|bK=),+zUz;b9<4U39<+=UB4.~ TxM4 ' 49<LjJQLAVI4FG-.8G+B+o9<+/25K=FG8G4N)YK=),+=UB;b9<4N>3)A40/U=0CI8R479t+zUz4.uQL,V=49<+=UB4-.FG{.4NM FGM!LAVI4D|+/8R8G+rFGM=4<yb0c25K=8G4N>Vb0c>"CE4N4NM+/C=L10cFGM=4U3CB@0 234N)A4Y0c8RKIVb0D9<+.MB{/4N)A>,FR+/M3|)A+/2 L,V=40.9tLA;b0c8w9<+=UB4YKI)A+=UB;b9<4jUCB@ \. .

(33) . . . . . O ´º»¿Á³.

(34) \ \\. source files:. '. (-

(35) ' ( . Scheme (.scm ). . Caml (.ml). bigloo. camlc. camloo. Preprocessing Caml to Scheme object file:. .o.

(36) ?FR-/;=)A4'`Eu=QFG-.8G+B+buB0D=9,V=4N234. ' =9<+/25K=FG8G4N). L,V=4FG-.8G+B+9t+.25KIFR8G4N)j~TxMDLAVIFR>7 9<+=UB4.J/Lx@BKb4aFG>QLAV=4'7 ;=M=FG+.MDL,Vb0LQFG23K=8G4N254NMBL,>w=9,V=4N234{.08G;=4N> 0cMbU3;=K=KE4N)xA9N0>,4F:UB4WMqL,F}b4N)A>"9t+.)A),4N>AKE+.MEUL,+5720/9<)A+/>~ :. &" 6F9 "#. . OKE4NMBA9<+=UBFGM=-+/)FGM=8GFRMIFRMI-q?FG>"0YL,49,V=M=F:H/;=4YrV=F:9,V5),4NK=8:0.9<4W>0 9N08G8 LA+50|;=ME9<LAFG+.M3CB@5LAVI4CE+=UB@ +c|L,V=FG>"|»;=Mb9<L,FR+/Mv~ QFG-/8R+B+DFGM=8GFGM=4N>O|;=ME9<LAFG+.MI>rVI4NMo>,+.234Y4<y=K=8GF:9<FGL I

(37) 701I

(38) DUBFG)A49tLAFG{.4N> 0)A4 r)AFGL,LA4NM FGMLAV=4a>A+.;I)19<4'E8R4'+/)rV=4NML,V=4N>A4|;=Mb9<L,FG+.M=>{/4N)AF}|@3>A+.234"K=)<0-/20L,F:9K=),+.KE4N)AL,FR4W>"LA+DKI)A4N{/4NMBL9<+=UB4 4<y=K=8G+/>AFG+.MvuLAV=4#|;=Mb9<L,FG+.M=>'LA+FRMI8RFGM=4 2D;=>,LCE45UB4<EM=4UpFGM LAV=4325+=UB;=8G4YCE4NFGM=-o9t+.25KIFR8G4UJ0cMbULAV=4 >,FRW4o+c|LAV=4WFR)CE+=UBFG4N>2D;=>ALDCE4o>,20c8R84WM=+.;=-/Vv~ 4NL;=>3-.FG{.4>A+.2344<yb023K=8G4N>DLA+ FG8R8G;=>,LA)<0LA4LAV=4 L,)10MI>x|+/)A20cLAFG+.M?~ m. "!$#%&!('## ) *+$# "+$## L,V=4UB4<EM=FGLAFG+.M3+|:M , 2=2= M=M-/. FG>L,)10MI>A8:0L,4UFGMBLA+bu ) *+$# 0 12!3+$## %3!('###. rV=F:9,VFG>LAV=4NML,)10MI>A8:0L,4UFGMBLA+bu ) *+$# %&+('##. sg{.4NM )A49t;=)A>,FR{/4|;=Mb9tLAFG+.M=>Q9N0cMYCE4FRMI8RFGM=4jU"t $uWLA+'FGM=8GFGM=4*LAV=4),49<;=),>AFG{.4|;IMb9<LAFG+/M5 4 FGMqL,+|;IMb9<LAFG+/M 6 JvQFG-/8R+B+UB4<bM=4W>54!0c>0#8G+z9W08?|;=Mb9tLAFG+.M FGM=>AF:UB4 LAV=4 CE+zUz@+| 6 ~ *+5K=),4N{.4WMqLaLAV=4D9<+.23K=FG8G4N)|),+.2. ´7 565 4. Õ<Ö â Ó.

(39) . . '0. & %. FGMBbMIFRL,4FGM=8GFRMIFRMI-bJjM=+YFGM=8GFGM=FGM=-"+c|0)A49<;I)A>AFG{/4"|»;=Mb9<L,FR+/M9W0M5+=9N9t;=)rFGL,V=FGMFGLA>+rMDCb+=UB@B~4

(40) I+.)Q>,V=+.),LJ K=),+.-/)1023>+c|wL,V=4'|+/)A2ou 0

(41) ##

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(48) \ \\. '. _. (-

(49) ' ( . *+,+/0# 0 1** +, 0 0# 00- 0# .# )(% ' *&0## * +, *&0####### * +, 0###. :A. +B*& )G")G+=+. . VI420FGMUz4N>AFG-.M4 ' +.),L|+/)LAV=4 QFG-.8G+B+D9<+.23K=FG8R4W)Vb0c>Cb4W4NMoL,+59<+.23K=FG8G4|;=Mb9<L,FG+.M=>'0>r4N8G8w0> KE+.>,>AFGC=8G4.u?FRMp+/;=)Y23FRMEULAV=FG>YFG23K=8GFR4W>"LA+20K =9,V=4N254 |»;=Mb9<L,FR+/M=>YL,+o7 |;IMb9<LAFG+/M=>D+/)4W{.4NMpL,+o7 8G+B+.K=><0MbU3L,+r+.),5Vb0c)1U3LA+50j{/+.F:U V=40cKB0c8G8R+=9N0cLAFG+.M3+|Q9<8G+.>A;I)A4N>'0>2D;b9,V0c>Kb+/>A>,FRCI8R4/~ ' £ /

(50) @ Qlch »£ QfOhj£ /£ £ Qf VB;=>jJQQFG-/8R+B+ ;=>A;E08G8G@!9<+.23K=FG8R4W>=9,V=4W2543|;=Mb9tLAFG+.M=>50c>D2D;b9,V!0>DKE+.>,>AFGC=8G4FRMBL,+!7 8G+q+/K=>D+.) 7|;=ME9<LAFG+.MI>~?n V=4NM |;IMb9<LAFG+/M=>Y4N><9N0KE4.J*LAVE0LYFG>'rV=4NMë|;=Mb9<L,FG+.M=>0c)A4D;=>,4U!0c>'b),>ALxA9<8:0>,>{.0c8G;=4N>J L,V=FG>D4<9<FG4NMBL5><9AVI4N254UB+B4N>DM=+/L50K=KI8R@BJ?LAVB;=>DLAVI4o9<+.23K=FG8G4N)08G8G+=9N0L,4N>DV=40cK>AKb0/9<4|+/)Y|;IMb9<LAFG+/M 4NMB{BFG)A+/M=254NMBL,>~QFR-/8G+q+;=>A4N> 0LD9<8G+.>,;=)A4W>uQL,V=44NMB{BFR),+.M=234NMBLKE0)ALDFG>D0VI40KC=8G+=9,!9<+.MBL10cFGM=FGM=4<yb0/9<LA8G@DLAVI4"|»)A4N4'{.0),F:0C=8G4N>Q+c|vLAV=4O|;IMb9<LAFG+/M=>~ O4N>AK=FGL,4L,V=4'8:0)A-/4N)QV=4j0KBA08G8G+=9N0L,FR+/MDM=4N4Uz4U#|+.) 0L 9<8G+/>A;=),4N>J r4YUB+DM=+/L";=>,4Y8GFRMI.4U34NMB{BFG)A+.MI254NMBLA>>AFGMb9t4L,V=4N@8G40.U3LA+D234N25+/)A@ 8G40B>rV=F:9,Vo9N0cM=M=+.L CE49<FG)19t;=2D{.4NMBL,4U3Cq@DL,V=4=9,V=4W254';=>A4W)~ VI49<8G+.>,;=)A4 0Mb0c8R@B>,FR>aFR>50cC=8G45L,+o20K |;=ME9<LAFG+.MI>FGMBLA+p7 8G+B+.K=> 4N{.4WM F}|'LAV=4N@0),452D;=L,;b08G8G@ ),49<;=),>AFG{.4.9~

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