--- /dev/null
+* Date: Thu, 19 Aug 1999 10:02:32 +0200
+* From: Frederic Devernay <devernay@istar.fr>
+* Organization: ISTAR
+* X-Accept-Language: French, fr, en
+* To: gcc-bugs@gcc.gnu.org
+* Subject: g77 2.95 bug (Internal compiler error in `final_scan_insn')
+* X-UIDL: 08443f5c374ffa382a05573281482f4f
+
+* Here's a bug that happens only when I compile with -O (disappears with
+* -O2)
+
+* > g77 -v --save-temps -O -c pcapop.f
+* g77 version 2.95 19990728 (release) (from FSF-g77 version 0.5.25
+* 19990728 (release))
+* Reading specs from
+* /usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.95/specs
+* gcc version 2.95 19990728 (release)
+* /usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.95/f771 pcapop.f -quiet
+* -dumpbase pcapop.f -O -version -fversion -o pcapop.s
+* GNU F77 version 2.95 19990728 (release) (sparc-sun-solaris2.6) compiled
+* by GNU C version 2.95 19990728 (release).
+* GNU Fortran Front End version 0.5.25 19990728 (release)
+* pcapop.f: In subroutine `pcapop':
+* pcapop.f:291: Internal compiler error in `final_scan_insn', at
+* final.c:2920
+* Please submit a full bug report.
+* See <URL:http://egcs.cygnus.com/faq.html#bugreport> for instructions.
+
+C* PCAPOP
+ SUBROUTINE PCAPOP(M1,M2,L1,L2,NMEM,N1,N2,IB,IBB,K3,TF,TS,TC,TTO)
+ DIMENSION NVA(6),C(6),I(6)
+C
+C CALCUL DES PARAMETRES OPTIMAUX N1 N2 IB IBB
+C
+ TACC=.035
+ TTRANS=.000004
+ RAD=.000001
+ RMI=.000001
+ RMU=.0000015
+ RDI=.000003
+ RTE=.000003
+ REQ=.000005
+ VY1=3*RTE+RDI+8*REQ+3*(RAD+RMI+RMU)
+ VY2=REQ+2*RAD
+ AR2=M2*(2*(REQ+RMI)+3*RMU+M1*(2*RAD+REQ))
+C VARIATION DE L1,L2,
+C
+ TTOTOP=1.E+10
+ N1CO=0
+ N2CO=0
+ IBCO=0
+ IBBCO=0
+ K3CO=0
+ TESOP=0.
+ TCOP=0.
+ TFOP=0.
+ INUN=7
+ INDE=7
+ IF(M1.LT.128)INUN=6
+ IF(M1.LT.64)INUN=5
+ IF(M1.LT.32)INUN=4
+ IF(M2.LT.128)INDE=6
+ IF(M2.LT.64)INDE=5
+ IF(M2.LT.32)INDE=4
+ DO 3 NUN =3,INUN
+ DO 3 NDE=3,INDE
+ N10=2**NUN
+ N20=2**NDE
+ NDIF=(N10-N20)
+ NDIF=IABS(NDIF)
+C POUR AVOIR CES RESULTATS FAIRE TOURNER LE PROGRAMME VEFFT1
+ TCFFTU=0.
+ IF(N10.EQ.128.AND.N20.EQ.128)TCFFTU=3.35
+ IF(N10.EQ.64.AND.N20.EQ.64)TCFFTU=.70
+ IF(N10.EQ.32.AND.N20.EQ.32)TCFFTU=.138
+ IF(N10.EQ.16.AND.N20.EQ.16)TCFFTU=.0332
+ IF(N10.EQ.8.AND.N20.EQ.8)TCFFTU=.00688
+ IF(NDIF.EQ.64)TCFFTU=1.566
+ IF(NDIF.EQ.96)TCFFTU=.709
+ IF(NDIF.EQ.112)TCFFTU=.349
+ IF(NDIF.EQ.120)TCFFTU=.160
+ IF(NDIF.EQ.32)TCFFTU=.315
+ IF(NDIF.EQ.48)TCFFTU=.154
+ IF(NDIF.EQ.56)TCFFTU=.07
+ IF(NDIF.EQ.16)TCFFTU=.067
+ IF(NDIF.EQ.24)TCFFTU=.030
+ IF(NDIF.EQ.8)TCFFTU=.016
+ N30=N10-L1+1
+ N40=N20-L2+1
+ WW=VY1+N30*VY2
+ NDOU=2*N10*N20
+ IF((N10.LT.L1).OR.(N20.LT.L2)) GOTO 3
+ NB=NMEM-NDOU-N20*(L1-1)
+ NVC=2*N10*(N20-1)+M1
+ IF(NB.LT.(NVC)) GOTO 3
+ CALL VALENT(M1,N30,K1)
+ CALL VALENT(M2,N40,K2)
+ IS=K1/2
+ IF((2*IS).NE.K1)K1=K1+1
+ TFF=TCFFTU*K1*K2
+ CALL VALENT(M2,N40,JOFI)
+ IF(NB.GE.(K1*N20*N30+2*N20*(L1-1))) GOTO 4
+ TIOOP=1.E+10
+ IC=1
+18 IB1=2*IC
+ MAX=(NB-2*N20*(L1-1))/(N20*N30)
+ IN=MAX/2
+ IF(MAX.NE.2*IN) MAX=MAX-1
+ K3=K1/IB1
+ IBB1=K1-K3*IB1
+ IOFI=M1/(IB1*N30)
+ IRZ=0
+ IF(IOFI*IB1*N30.EQ.M1) GOTO1234
+ IRZ=1
+ IOFI=IOFI+1
+ IF(IBB1.EQ.0) GOTO 1234
+ IF(M1.EQ.((IOFI-1)*IB1*N30+IBB1*N30)) GOTO 1233
+ IRZ=2
+ GOTO 1234
+1233 IRZ=3
+1234 IBX1=IBB1
+ IF(IBX1.EQ.0)IBX1=IB1
+ AR1=M2*(2*(RAD+RMI+RMU+REQ)+(M1-(IOFI-1)*IB1*N30)*2*(REQ+RAD))
+ %+M2*(3*(REQ+RMU+RAD)+4*RMI+(M1-(IOFI-1)*IB1*N30)*(2*RAD+REQ)
+ %+(IOFI-1)*IB1*N30*(2*RMI+REQ+RAD))
+ AR5=(JOFI-1)*(N20-L2)*(M1-(IOFI-1)*IB1*N30)*(2*(RAD+RMU)+REQ)
+ %*IOFI+(M2-(JOFI-1)*N40+L2-2)*(M1-(IOFI-1)*IB1*N30)*(2*(RAD+RMU
+ %)+REQ)*IOFI
+ WQ=((IOFI-1)*IB1+IBX1)*JOFI*WW
+ AT1=N20*WQ
+ AT2=N40*WQ
+ QW=JOFI*(VY1+VY2*IB1*N30)
+ AT3=IOFI*N40*QW
+ AT4=(IOFI-1)*N40*QW
+ AT5=JOFI*((IOFI-1)*N40*(IB1/IBX1)*(VY1+IBX1*N30*VY2)
+ %+N40*((IB1/IBX1)*(IOFI-1)+1)*(VY1+IBX1*N30*VY2))
+ AT6=JOFI*((IOFI-1)*N40*(IB1/2)*(VY1+2*N30*VY2)+N40*(
+ %IB1*(IOFI-1)/2+IBX1/2)*(VY1+2*N30*VY2))
+ T1=JOFI*N20*(L1-1)*REQ
+ T2=M1*(L2-1)*REQ
+ T3=JOFI*N20*IBX1*N30*(RAD+REQ)
+ T4=JOFI*((IOFI-1)*IB1*N30*N20*(2*RMI+REQ)+IBX1*N30*N20*(2*RMI+R
+ %EQ))
+ T5=JOFI*((IOFI-1)*IB1/2+IBX1/2)*N20*N30*(2*RAD+REQ)
+ T6=2*JOFI*(((IOFI-1)*IB1+IBX1)*N20)*((5*(RMI+RMU)+4*RAD
+ %)+(L1-1)*(2*RAD+REQ)+N30*(2*RAD+REQ))
+ T7=JOFI*2*((IOFI-1)*IB1+IBX1)*(L1-1)*(2*RAD+REQ)
+ T8=JOFI*N10*N20*((IOFI-1)*IB1/2+IBX1/2)*(3*REQ+9*RAD+4*RMU+RMI)
+ T9=N10*N20*JOFI*((IOFI-1)*IB1/2+IBX1/2)*(REQ+RMI)+M1*M2*(REQ+R
+ %DI+2*RAD)
+ T10=JOFI*((IOFI-1)*IB1/2+IBX1/2)*2*(3*RMU+2*(RMI+RAD)+N40*(3*RMI
+ %+4*RMU+3*(RAD+REQ)+N30*(2*RAD+REQ)))
+ POI=JOFI
+ IF(POI.LE.2)POI=2
+ TNRAN=(N40+(POI-2)*N20+(M2-(JOFI-1)*N40+L2-1))*(RMI+RMU+RAD
+ %+REQ+N30*(2*RAD+2*REQ)*(IB1*(IOFI-1)+IBX1))
+ IF(TNRAN.LT.0.)TNRAN=0.
+ TCPU=T1+T2+T3+T4+T5+T6+T7+T8+T9+T10+TNRAN
+ NVA(1)=N40
+ NVA(2)=N40
+ NVA(3)=N20
+ NVA(4)=N20
+ NVA(5)=M2-(JOFI-1)*N40
+ NVA(6)=NVA(5)
+ C(1)=FLOAT(IB1*N30)/FLOAT(M1)
+ C(2)=FLOAT(M1-(IOFI-1)*IB1*N30)/FLOAT(M1)
+ C(3)=C(1)
+ C(4)=C(2)
+ C(5)=C(1)
+ C(6)=C(2)
+ K=1
+ P1=FLOAT(NB)/FLOAT(M1)
+10 IP1=P1
+ I(K)=1
+ IF(IP1.GE.NVA(K)) GOTO 7
+ P2=P1
+ IP2=P2
+8 P2=P2-FLOAT(IP2)*C(K)
+ IP2=P2
+ IF(IP2.EQ.0) GOTO 3
+ IP1=IP1+IP2
+ I(K)=I(K)+1
+ IF(IP1.GE.NVA(K))GOTO 7
+ GOTO 8
+7 IF(K.EQ.6) GOTO 11
+ K=K+1
+ GOTO 10
+11 IP1=0
+ IP2=0
+ IP3=0
+ POFI=JOFI
+ IF(POFI.LE.2)POFI=2
+ TIOL=(I(2)+(IOFI-1)*I(1)+(POFI-2)*(IOFI-1)*I(3)+(POFI-
+ %2)*I(4)+(IOFI-1)*I(5)+I(6))*TACC+(IOFI*M1*N40+(POFI-2)*IOFI*
+ %M1*N20+(M2-(JOFI-1)*N40+L2-1)*M1*IOFI)*TTRANS
+ IF(IBB1.EQ.0) GOTO 33
+ IF(IB1.EQ.IBB1) GOTO 33
+ IF(IBB1.EQ.2)GOTO 34
+ IP3=1
+ INL=NMEM/((IOFI-1)*IB1*N30+IBB1*N30)
+55 IF(INL.GT.N40)INL=N40
+ GOTO 35
+33 IF(IB1.GT.2) GOTO 36
+ IF((M1-(IOFI-1)*IB1*N30).GE.N30) GOTO 36
+34 IP1=1
+ INL=NMEM/(2*M1-(IOFI-1)*IB1*N30)
+ GOTO 55
+36 IP2=1
+ INL=NMEM/(IOFI*IB1*N30)
+ IF(INL.GT.N40)INL=N40
+35 CALL VALENT(N40,INL,KN1)
+ CALL VALENT(M2-(JOFI-1)*N40,INL,KN2)
+ CALL VALENT(INL*IBB1,IB1,KN3)
+ CALL VALENT((N40-(KN1-1)*INL)*IBB1,IB1,KN4)
+ IF((IP1+IP2+IP3).NE.1) CALL ERMESF(14)
+ TIO1=0.
+ IF(IP3.EQ.1)TIO1=N30*M2*TTRANS*(IB1*(IOFI-1)+IBB1)
+ IF(IP1.EQ.1)TIO1=M1*M2*TTRANS
+ IF(IP2.EQ.1) TIO1=(IB1*N30*M2*IOFI*TTRANS)
+ TTIO=2.*TIO1+(KN1*IOFI*(JOFI-1)+KN2*IOFI+(KN1-1)*(
+ %JOFI-1)+IOFI*(JOFI-1)+KN2-1.+IOFI+(KN1*(JOFI-1)+KN2))*TACC
+ %+M1*M2*TTRANS+TIOL
+ IF((IP1.EQ.1).AND.(IRZ.EQ.0))TCPU=TCPU+AT1+AT2+AT3
+ IF((IP1.EQ.1).AND.(IRZ.NE.0))TCPU=TCPU+AT1+AT2+AT4+AR1
+ IF((IP2.EQ.1).AND.(IRZ.EQ.0))TCPU=TCPU+AT1+AT2+AT3
+ IF((IP2.EQ.1).AND.(IRZ.NE.0))TCPU=TCPU+AT1+AT2+AT3+AR2
+ IFOIS=IB1/IBX1
+ IF((IP3.EQ.1).AND.(IFOIS*IBX1.EQ.IB1))TCPU=TCPU+AT1+AT2+AT5+AR2
+ IF((IP3.EQ.1).AND.(IFOIS*IBX1.NE.IB1))TCPU=TCPU+AT1+AT2+AT6+AR2
+ IF((IP1.EQ.1).AND.(IRZ.EQ.1))TCPU=TCPU+AR5
+ IF((IP1.EQ.1).AND.(IRZ.EQ.2))TCPU=TCPU+AR5
+ TTIOG=TTIO+TCPU
+ IF(TTIOG.LE.0.) GOTO 99
+ IF(TTIOG.GE.TIOOP) GOTO 99
+ IBOP=IB1
+ IBBOP=IBB1
+ K3OP=K3
+ TIOOP=TTIOG
+ TIOOP1=TTIO
+ TIOOP2=TCPU
+99 IF(IB1.GE.MAX)GOTO17
+ IC=IC+1
+ GOTO 18
+4 T1=JOFI*N20*(L1-1)*REQ
+ T2=M1*(L2-1)*REQ
+ T3=JOFI*N20*N30*(RAD+REQ)*K1
+ T4=JOFI*(K1*N30*N20*(2*RMI+REQ))
+ T5=JOFI*N20*N30*(2*RAD+REQ)*K1/2
+ T6=2*JOFI*(K1*N20)*((5*RMI+RMU)+4*RAD+(L1-1)*(2*RAD+REQ)+N30*2*
+ %RAD+REQ)
+ T7=JOFI*2*K1*(L1-1)*(2*RAD+REQ)
+ T9=JOFI*N10*N20*K1*(REQ+RMI)/2+M1*M2*(REQ+RDI+2*RAD)
+ T8=JOFI*N10*N20*K1*(3*REQ+9*RAD+4*RMU+RMI)/2
+ T10=JOFI*K1*(3*RMU+2*(RMI+RAD)+N40*(3*RMI
+ %+4*RMU+3*(RAD+REQ)+N30*(2*RAD+REQ)))
+ PIO=JOFI
+ IF(PIO.LE.2)PIO=2
+ TNR=(N40+(PIO-2)*N20+(M2-(JOFI-1)*N40+L2-1))*(RMU+RMI+RAD+REQ+
+ %N30*(2*RAD+2*REQ)*K1)
+ IF(TNR.LE.0.)TNR=0.
+ BT1=JOFI*N20*WW*K1
+ BT2=JOFI*N40*WW*K1
+ BT3=JOFI*N40*(VY1+K1*N30*VY2)
+ BR1=M2*(2*(RAD+RMI+RMU+REQ)+(M1*2*(REQ+RAD)))+M2*(3*(
+ $REQ+RAD+RMU)+4*(RMI)+M1*(2*(RAD)+REQ))
+ BR2=M2*(2*(REQ+RMI)+3*RMU+M1*(2*RAD+REQ))
+ TCPU=T1+T2+T3+T4+T5+T6+T7+T8+T9+T10
+ TCPU=TCPU+TNR+BT1+BT2
+ LIOF=M1/(N30)
+ IRZ=0
+ IF(LIOF*N30.EQ.M1) GOTO 2344
+ IRZ=1
+2344 IF(IRZ.EQ.0)TCPU=TCPU+BT3
+ IF(IRZ.NE.0)TCPU=TCPU+BT3+BR2
+ TIOOP=2.*FLOAT(M1)*FLOAT(M2)*TTRANS+2.*FLOAT(K2)*TACC+TCPU
+ IBOP=1
+ IBBOP=0
+ K3OP=1
+ TIOOP2=TCPU
+ TIOOP1=TIOOP-TCPU
+17 TTOT=TIOOP+TFF
+ IF(TTOT.LE.0.) GOTO 3
+ IF(TTOT.GE.TTOTOP)GOTO3
+ N1CO=N10
+ N2CO=N20
+ IBCO=IBOP
+ IBBCO=IBBOP
+ K3CO=K3OP
+ TTOTOP=TTOT
+ TESOP=TIOOP1
+ TCOP=TIOOP2
+ TFOP=TFF
+3 CONTINUE
+
+C
+ N1=N1CO
+ N2=N2CO
+ TTO=TTOTOP
+ IB=IBCO
+ IBB=IBBCO
+ K3=K3CO
+ TC=TCOP
+ TS=TESOP
+ TF=TFOP
+ TT=TCOP+TFOP
+ TWER=TTO-TT
+ IF(N1.EQ.0.OR.N2.EQ.0) CALL OUTSTR(0,'PAS DE PLACE MEMOIRE SUFFISA
+ $NTE POUR UNE MISE EN OEUVRE PAR BLOCS$')
+ IF(IB.NE.1)RETURN
+ IHJ=(M1/(N1-L1+1))
+ IF(IHJ*(N1-L1+1).NE.M1)IHJ=IHJ+1
+ IHJ1=IHJ/2
+ IF(IHJ1*2.NE.IHJ)GOTO7778
+ IB=IHJ
+ IBB=0
+ RETURN
+7778 IB=IHJ+1
+ IBB=0
+ RETURN
+ END
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