1c { 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
30C* 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)
33C
34C CALCUL DES PARAMETRES OPTIMAUX N1 N2 IB IBB
35C
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))
47C     VARIATION DE L1,L2,
48C
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)
72C 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
10618    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
1211233  IRZ=3
1221234  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)
17410    IP1=P1
175      I(K)=1
176      IF(IP1.GE.NVA(K)) GOTO 7
177      P2=P1
178      IP2=P2
1798     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
1867     IF(K.EQ.6) GOTO 11
187      K=K+1
188      GOTO 10
18911    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)
20255    IF(INL.GT.N40)INL=N40
203      GOTO 35
20433    IF(IB1.GT.2) GOTO 36
205      IF((M1-(IOFI-1)*IB1*N30).GE.N30) GOTO 36
20634    IP1=1
207      INL=NMEM/(2*M1-(IOFI-1)*IB1*N30)
208      GOTO 55
20936    IP2=1
210      INL=NMEM/(IOFI*IB1*N30)
211      IF(INL.GT.N40)INL=N40
21235    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
24299    IF(IB1.GE.MAX)GOTO17
243      IC=IC+1
244      GOTO 18
2454     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
2742344  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
28217    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
2943     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
3177778  IB=IHJ+1
318      IBB=0
319      RETURN
320      END
321