gcc/testsuite/gfortran.dg/g77/19990826-3.f

   1 c { dg-do compile }
   2 * Date: Thu, 19 Aug 1999 10:02:32 +0200
   3 * From: Frederic Devernay <devernay@istar.fr>
   4 * Organization: ISTAR
   5 * X-Accept-Language: French, fr, en
   6 * To: gcc-bugs@gcc.gnu.org
   7 * Subject: g77 2.95 bug (Internal compiler error in `final_scan_insn')
   8 * X-UIDL: 08443f5c374ffa382a05573281482f4f
   9
  10 * Here's a bug that happens only when I compile with -O (disappears with
  11 * -O2)
  12
  13 * > g77 -v --save-temps -O -c  pcapop.f
  14 * g77 version 2.95 19990728 (release) (from FSF-g77 version 0.5.25
  15 * 19990728 (release))
  16 * Reading specs from
  17 * /usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.95/specs
  18 * gcc version 2.95 19990728 (release)
  19 *  /usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.95/f771 pcapop.f -quiet
  20 * -dumpbase pcapop.f -O -version -fversion -o pcapop.s
  21 * GNU F77 version 2.95 19990728 (release) (sparc-sun-solaris2.6) compiled
  22 * by GNU C version 2.95 19990728 (release).
  23 * GNU Fortran Front End version 0.5.25 19990728 (release)
  24 * pcapop.f: In subroutine `pcapop':
  25 * pcapop.f:291: Internal compiler error in `final_scan_insn', at
  26 * final.c:2920
  27 * Please submit a full bug report.
  28 * See <URL:http://egcs.cygnus.com/faq.html#bugreport> for instructions.
  29
  30 C* PCAPOP
  31       SUBROUTINE PCAPOP(M1,M2,L1,L2,NMEM,N1,N2,IB,IBB,K3,TF,TS,TC,TTO)
  32       DIMENSION NVA(6),C(6),I(6)
  33 C
  34 C CALCUL DES PARAMETRES OPTIMAUX N1 N2 IB IBB
  35 C
  36       TACC=.035
  37       TTRANS=.000004
  38       RAD=.000001
  39       RMI=.000001
  40       RMU=.0000015
  41       RDI=.000003
  42       RTE=.000003
  43       REQ=.000005
  44       VY1=3*RTE+RDI+8*REQ+3*(RAD+RMI+RMU)
  45       VY2=REQ+2*RAD
  46       AR2=M2*(2*(REQ+RMI)+3*RMU+M1*(2*RAD+REQ))
  47 C     VARIATION DE L1,L2,
  48 C
  49       TTOTOP=1.E+10
  50       N1CO=0
  51       N2CO=0
  52       IBCO=0
  53       IBBCO=0
  54       K3CO=0
  55       TESOP=0.
  56       TCOP=0.
  57       TFOP=0.
  58       INUN=7
  59       INDE=7
  60       IF(M1.LT.128)INUN=6
  61       IF(M1.LT.64)INUN=5
  62       IF(M1.LT.32)INUN=4
  63       IF(M2.LT.128)INDE=6
  64       IF(M2.LT.64)INDE=5
  65       IF(M2.LT.32)INDE=4
  66       DO 3 NUN =3,INUN
  67       DO 3 NDE=3,INDE ! { dg-warning "Obsolescent feature: Shared DO termination" }
  68       N10=2**NUN
  69       N20=2**NDE
  70       NDIF=(N10-N20)
  71       NDIF=IABS(NDIF)
  72 C POUR AVOIR CES RESULTATS FAIRE TOURNER LE PROGRAMME VEFFT1
  73       TCFFTU=0.
  74       IF(N10.EQ.128.AND.N20.EQ.128)TCFFTU=3.35
  75       IF(N10.EQ.64.AND.N20.EQ.64)TCFFTU=.70
  76       IF(N10.EQ.32.AND.N20.EQ.32)TCFFTU=.138
  77       IF(N10.EQ.16.AND.N20.EQ.16)TCFFTU=.0332
  78       IF(N10.EQ.8.AND.N20.EQ.8)TCFFTU=.00688
  79       IF(NDIF.EQ.64)TCFFTU=1.566
  80       IF(NDIF.EQ.96)TCFFTU=.709
  81       IF(NDIF.EQ.112)TCFFTU=.349
  82       IF(NDIF.EQ.120)TCFFTU=.160
  83       IF(NDIF.EQ.32)TCFFTU=.315
  84       IF(NDIF.EQ.48)TCFFTU=.154
  85       IF(NDIF.EQ.56)TCFFTU=.07
  86       IF(NDIF.EQ.16)TCFFTU=.067
  87       IF(NDIF.EQ.24)TCFFTU=.030
  88       IF(NDIF.EQ.8)TCFFTU=.016
  89       N30=N10-L1+1
  90       N40=N20-L2+1
  91       WW=VY1+N30*VY2
  92       NDOU=2*N10*N20
  93       IF((N10.LT.L1).OR.(N20.LT.L2)) GOTO 3
  94       NB=NMEM-NDOU-N20*(L1-1)
  95       NVC=2*N10*(N20-1)+M1
  96       IF(NB.LT.(NVC)) GOTO 3
  97       CALL VALENT(M1,N30,K1)
  98       CALL VALENT(M2,N40,K2)
  99       IS=K1/2
 100       IF((2*IS).NE.K1)K1=K1+1
 101       TFF=TCFFTU*K1*K2
 102       CALL VALENT(M2,N40,JOFI)
 103       IF(NB.GE.(K1*N20*N30+2*N20*(L1-1))) GOTO 4
 104       TIOOP=1.E+10
 105       IC=1
 106 18    IB1=2*IC
 107       MAX=(NB-2*N20*(L1-1))/(N20*N30)
 108       IN=MAX/2
 109       IF(MAX.NE.2*IN) MAX=MAX-1
 110       K3=K1/IB1
 111       IBB1=K1-K3*IB1
 112       IOFI=M1/(IB1*N30)
 113       IRZ=0
 114       IF(IOFI*IB1*N30.EQ.M1) GOTO1234
 115       IRZ=1
 116       IOFI=IOFI+1
 117       IF(IBB1.EQ.0) GOTO 1234
 118       IF(M1.EQ.((IOFI-1)*IB1*N30+IBB1*N30)) GOTO 1233
 119       IRZ=2
 120       GOTO 1234
 121 1233  IRZ=3
 122 1234  IBX1=IBB1
 123       IF(IBX1.EQ.0)IBX1=IB1
 124       AR1=M2*(2*(RAD+RMI+RMU+REQ)+(M1-(IOFI-1)*IB1*N30)*2*(REQ+RAD))
 125      %+M2*(3*(REQ+RMU+RAD)+4*RMI+(M1-(IOFI-1)*IB1*N30)*(2*RAD+REQ)
 126      %+(IOFI-1)*IB1*N30*(2*RMI+REQ+RAD))
 127       AR5=(JOFI-1)*(N20-L2)*(M1-(IOFI-1)*IB1*N30)*(2*(RAD+RMU)+REQ)
 128      %*IOFI+(M2-(JOFI-1)*N40+L2-2)*(M1-(IOFI-1)*IB1*N30)*(2*(RAD+RMU
 129      %)+REQ)*IOFI
 130       WQ=((IOFI-1)*IB1+IBX1)*JOFI*WW
 131       AT1=N20*WQ
 132       AT2=N40*WQ
 133       QW=JOFI*(VY1+VY2*IB1*N30)
 134       AT3=IOFI*N40*QW
 135       AT4=(IOFI-1)*N40*QW
 136       AT5=JOFI*((IOFI-1)*N40*(IB1/IBX1)*(VY1+IBX1*N30*VY2)
 137      %+N40*((IB1/IBX1)*(IOFI-1)+1)*(VY1+IBX1*N30*VY2))
 138       AT6=JOFI*((IOFI-1)*N40*(IB1/2)*(VY1+2*N30*VY2)+N40*(
 139      %IB1*(IOFI-1)/2+IBX1/2)*(VY1+2*N30*VY2))
 140       T1=JOFI*N20*(L1-1)*REQ
 141       T2=M1*(L2-1)*REQ
 142       T3=JOFI*N20*IBX1*N30*(RAD+REQ)
 143       T4=JOFI*((IOFI-1)*IB1*N30*N20*(2*RMI+REQ)+IBX1*N30*N20*(2*RMI+R
 144      %EQ))
 145       T5=JOFI*((IOFI-1)*IB1/2+IBX1/2)*N20*N30*(2*RAD+REQ)
 146       T6=2*JOFI*(((IOFI-1)*IB1+IBX1)*N20)*((5*(RMI+RMU)+4*RAD
 147      %)+(L1-1)*(2*RAD+REQ)+N30*(2*RAD+REQ))
 148       T7=JOFI*2*((IOFI-1)*IB1+IBX1)*(L1-1)*(2*RAD+REQ)
 149       T8=JOFI*N10*N20*((IOFI-1)*IB1/2+IBX1/2)*(3*REQ+9*RAD+4*RMU+RMI)
 150       T9=N10*N20*JOFI*((IOFI-1)*IB1/2+IBX1/2)*(REQ+RMI)+M1*M2*(REQ+R
 151      %DI+2*RAD)
 152       T10=JOFI*((IOFI-1)*IB1/2+IBX1/2)*2*(3*RMU+2*(RMI+RAD)+N40*(3*RMI
 153      %+4*RMU+3*(RAD+REQ)+N30*(2*RAD+REQ)))
 154       POI=JOFI
 155       IF(POI.LE.2)POI=2
 156       TNRAN=(N40+(POI-2)*N20+(M2-(JOFI-1)*N40+L2-1))*(RMI+RMU+RAD
 157      %+REQ+N30*(2*RAD+2*REQ)*(IB1*(IOFI-1)+IBX1))
 158       IF(TNRAN.LT.0.)TNRAN=0.
 159       TCPU=T1+T2+T3+T4+T5+T6+T7+T8+T9+T10+TNRAN
 160       NVA(1)=N40
 161       NVA(2)=N40
 162       NVA(3)=N20
 163       NVA(4)=N20
 164       NVA(5)=M2-(JOFI-1)*N40
 165       NVA(6)=NVA(5)
 166       C(1)=FLOAT(IB1*N30)/FLOAT(M1)
 167       C(2)=FLOAT(M1-(IOFI-1)*IB1*N30)/FLOAT(M1)
 168       C(3)=C(1)
 169       C(4)=C(2)
 170       C(5)=C(1)
 171       C(6)=C(2)
 172       K=1
 173       P1=FLOAT(NB)/FLOAT(M1)
 174 10    IP1=P1
 175       I(K)=1
 176       IF(IP1.GE.NVA(K)) GOTO 7
 177       P2=P1
 178       IP2=P2
 179 8     P2=P2-FLOAT(IP2)*C(K)
 180       IP2=P2
 181       IF(IP2.EQ.0) GOTO 3
 182       IP1=IP1+IP2
 183       I(K)=I(K)+1
 184       IF(IP1.GE.NVA(K))GOTO 7
 185       GOTO 8
 186 7     IF(K.EQ.6) GOTO 11
 187       K=K+1
 188       GOTO 10
 189 11    IP1=0
 190       IP2=0
 191       IP3=0
 192       POFI=JOFI
 193       IF(POFI.LE.2)POFI=2
 194       TIOL=(I(2)+(IOFI-1)*I(1)+(POFI-2)*(IOFI-1)*I(3)+(POFI-
 195      %2)*I(4)+(IOFI-1)*I(5)+I(6))*TACC+(IOFI*M1*N40+(POFI-2)*IOFI*
 196      %M1*N20+(M2-(JOFI-1)*N40+L2-1)*M1*IOFI)*TTRANS
 197       IF(IBB1.EQ.0) GOTO 33
 198       IF(IB1.EQ.IBB1) GOTO 33
 199       IF(IBB1.EQ.2)GOTO 34
 200       IP3=1
 201       INL=NMEM/((IOFI-1)*IB1*N30+IBB1*N30)
 202 55    IF(INL.GT.N40)INL=N40
 203       GOTO 35
 204 33    IF(IB1.GT.2) GOTO 36
 205       IF((M1-(IOFI-1)*IB1*N30).GE.N30) GOTO 36
 206 34    IP1=1
 207       INL=NMEM/(2*M1-(IOFI-1)*IB1*N30)
 208       GOTO 55
 209 36    IP2=1
 210       INL=NMEM/(IOFI*IB1*N30)
 211       IF(INL.GT.N40)INL=N40
 212 35    CALL VALENT(N40,INL,KN1)
 213       CALL VALENT(M2-(JOFI-1)*N40,INL,KN2)
 214       CALL VALENT(INL*IBB1,IB1,KN3)
 215       CALL VALENT((N40-(KN1-1)*INL)*IBB1,IB1,KN4)
 216       IF((IP1+IP2+IP3).NE.1) CALL ERMESF(14)
 217       TIO1=0.
 218       IF(IP3.EQ.1)TIO1=N30*M2*TTRANS*(IB1*(IOFI-1)+IBB1)
 219       IF(IP1.EQ.1)TIO1=M1*M2*TTRANS
 220       IF(IP2.EQ.1) TIO1=(IB1*N30*M2*IOFI*TTRANS)
 221       TTIO=2.*TIO1+(KN1*IOFI*(JOFI-1)+KN2*IOFI+(KN1-1)*(
 222      %JOFI-1)+IOFI*(JOFI-1)+KN2-1.+IOFI+(KN1*(JOFI-1)+KN2))*TACC
 223      %+M1*M2*TTRANS+TIOL
 224       IF((IP1.EQ.1).AND.(IRZ.EQ.0))TCPU=TCPU+AT1+AT2+AT3
 225       IF((IP1.EQ.1).AND.(IRZ.NE.0))TCPU=TCPU+AT1+AT2+AT4+AR1
 226       IF((IP2.EQ.1).AND.(IRZ.EQ.0))TCPU=TCPU+AT1+AT2+AT3
 227       IF((IP2.EQ.1).AND.(IRZ.NE.0))TCPU=TCPU+AT1+AT2+AT3+AR2
 228       IFOIS=IB1/IBX1
 229       IF((IP3.EQ.1).AND.(IFOIS*IBX1.EQ.IB1))TCPU=TCPU+AT1+AT2+AT5+AR2
 230       IF((IP3.EQ.1).AND.(IFOIS*IBX1.NE.IB1))TCPU=TCPU+AT1+AT2+AT6+AR2
 231       IF((IP1.EQ.1).AND.(IRZ.EQ.1))TCPU=TCPU+AR5
 232       IF((IP1.EQ.1).AND.(IRZ.EQ.2))TCPU=TCPU+AR5
 233       TTIOG=TTIO+TCPU
 234       IF(TTIOG.LE.0.) GOTO 99
 235       IF(TTIOG.GE.TIOOP) GOTO 99
 236       IBOP=IB1
 237       IBBOP=IBB1
 238       K3OP=K3
 239       TIOOP=TTIOG
 240       TIOOP1=TTIO
 241       TIOOP2=TCPU
 242 99    IF(IB1.GE.MAX)GOTO17
 243       IC=IC+1
 244       GOTO 18
 245 4     T1=JOFI*N20*(L1-1)*REQ
 246       T2=M1*(L2-1)*REQ
 247       T3=JOFI*N20*N30*(RAD+REQ)*K1
 248       T4=JOFI*(K1*N30*N20*(2*RMI+REQ))
 249       T5=JOFI*N20*N30*(2*RAD+REQ)*K1/2
 250       T6=2*JOFI*(K1*N20)*((5*RMI+RMU)+4*RAD+(L1-1)*(2*RAD+REQ)+N30*2*
 251      %RAD+REQ)
 252       T7=JOFI*2*K1*(L1-1)*(2*RAD+REQ)
 253       T9=JOFI*N10*N20*K1*(REQ+RMI)/2+M1*M2*(REQ+RDI+2*RAD)
 254       T8=JOFI*N10*N20*K1*(3*REQ+9*RAD+4*RMU+RMI)/2
 255       T10=JOFI*K1*(3*RMU+2*(RMI+RAD)+N40*(3*RMI
 256      %+4*RMU+3*(RAD+REQ)+N30*(2*RAD+REQ)))
 257       PIO=JOFI
 258       IF(PIO.LE.2)PIO=2
 259       TNR=(N40+(PIO-2)*N20+(M2-(JOFI-1)*N40+L2-1))*(RMU+RMI+RAD+REQ+
 260      %N30*(2*RAD+2*REQ)*K1)
 261       IF(TNR.LE.0.)TNR=0.
 262       BT1=JOFI*N20*WW*K1
 263       BT2=JOFI*N40*WW*K1
 264       BT3=JOFI*N40*(VY1+K1*N30*VY2)
 265       BR1=M2*(2*(RAD+RMI+RMU+REQ)+(M1*2*(REQ+RAD)))+M2*(3*(
 266      $REQ+RAD+RMU)+4*(RMI)+M1*(2*(RAD)+REQ))
 267       BR2=M2*(2*(REQ+RMI)+3*RMU+M1*(2*RAD+REQ))
 268       TCPU=T1+T2+T3+T4+T5+T6+T7+T8+T9+T10
 269       TCPU=TCPU+TNR+BT1+BT2
 270       LIOF=M1/(N30)
 271       IRZ=0
 272       IF(LIOF*N30.EQ.M1) GOTO 2344
 273       IRZ=1
 274 2344  IF(IRZ.EQ.0)TCPU=TCPU+BT3
 275       IF(IRZ.NE.0)TCPU=TCPU+BT3+BR2
 276       TIOOP=2.*FLOAT(M1)*FLOAT(M2)*TTRANS+2.*FLOAT(K2)*TACC+TCPU
 277       IBOP=1
 278       IBBOP=0
 279       K3OP=1
 280       TIOOP2=TCPU
 281       TIOOP1=TIOOP-TCPU
 282 17    TTOT=TIOOP+TFF
 283       IF(TTOT.LE.0.) GOTO 3
 284       IF(TTOT.GE.TTOTOP)GOTO3
 285       N1CO=N10
 286       N2CO=N20
 287       IBCO=IBOP
 288       IBBCO=IBBOP
 289       K3CO=K3OP
 290       TTOTOP=TTOT
 291       TESOP=TIOOP1
 292       TCOP=TIOOP2
 293       TFOP=TFF
 294 3     CONTINUE
 295
 296       N1=N1CO
 297       N2=N2CO
 298       TTO=TTOTOP
 299       IB=IBCO
 300       IBB=IBBCO
 301       K3=K3CO
 302       TC=TCOP
 303       TS=TESOP
 304       TF=TFOP
 305       TT=TCOP+TFOP
 306       TWER=TTO-TT
 307       IF(N1.EQ.0.OR.N2.EQ.0) CALL OUTSTR(0,'PAS DE PLACE MEMOIRE SUFFISA
 308      $NTE POUR UNE MISE EN OEUVRE PAR BLOCS$')
 309       IF(IB.NE.1)RETURN
 310       IHJ=(M1/(N1-L1+1))
 311       IF(IHJ*(N1-L1+1).NE.M1)IHJ=IHJ+1
 312       IHJ1=IHJ/2
 313       IF(IHJ1*2.NE.IHJ)GOTO7778
 314       IB=IHJ
 315       IBB=0
 316       RETURN
 317 7778  IB=IHJ+1
 318       IBB=0
 319       RETURN
 320       END