Tue Jan 5 10:28:04 CET 2010
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% Results for ./src/bclwsww000.litmus %
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PPC
bclwsww000
"DpdR Fre LwSyncsWW Rfe DpdR Fre LwSyncsWW Rfe"
{0:r2=x; 1:r2=x; 1:r5=y; 2:r2=y; 3:r2=y; 3:r5=x;}
P0 | P1 | P2 | P3 ;
li r1,1 | lwz r1,0(r2) | li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) | xor r3,r1,r1 ;
lwsync | lwzx r4,r3,r5 | lwsync | lwzx r4,r3,r5 ;
li r3,2 | | li r3,2 | ;
stw r3,0(r2) | | stw r3,0(r2) | ;
exists (x=2 /\ y=2 /\ 1:r1=2 /\ 1:r4=0 /\ 3:r1=2 /\ 3:r4=0)
Generated assembler
_litmus_P0_0_: li r4,1
_litmus_P0_1_: stw r4,0(r2)
_litmus_P0_2_: lwsync
_litmus_P0_3_: li r9,2
_litmus_P0_4_: stw r9,0(r2)
_litmus_P1_0_: lwz r26,0(r9)
_litmus_P1_1_: xor r11,r26,r26
_litmus_P1_2_: lwzx r27,r11,r2
_litmus_P2_0_: li r4,1
_litmus_P2_1_: stw r4,0(r2)
_litmus_P2_2_: lwsync
_litmus_P2_3_: li r9,2
_litmus_P2_4_: stw r9,0(r2)
_litmus_P3_0_: lwz r26,0(r9)
_litmus_P3_1_: xor r11,r26,r26
_litmus_P3_2_: lwzx r27,r11,r2
Test bclwsww000 Allowed
Histogram (59 states)
2698883:>1:r1=0; 1:r4=0; 3:r1=0; 3:r4=0; x=2; y=2;
1741 :>1:r1=1; 1:r4=0; 3:r1=0; 3:r4=0; x=2; y=2;
510670:>1:r1=2; 1:r4=0; 3:r1=0; 3:r4=0; x=2; y=2;
4810 :>1:r1=0; 1:r4=1; 3:r1=0; 3:r4=0; x=2; y=2;
34 :>1:r1=1; 1:r4=1; 3:r1=0; 3:r4=0; x=2; y=2;
4702 :>1:r1=2; 1:r4=1; 3:r1=0; 3:r4=0; x=2; y=2;
996930:>1:r1=0; 1:r4=2; 3:r1=0; 3:r4=0; x=2; y=2;
2991 :>1:r1=1; 1:r4=2; 3:r1=0; 3:r4=0; x=2; y=2;
2157535:>1:r1=2; 1:r4=2; 3:r1=0; 3:r4=0; x=2; y=2;
790 :>1:r1=0; 1:r4=0; 3:r1=1; 3:r4=0; x=2; y=2;
2 :>1:r1=0; 1:r4=1; 3:r1=1; 3:r4=0; x=2; y=2;
877 :>1:r1=0; 1:r4=2; 3:r1=1; 3:r4=0; x=2; y=2;
7 :>1:r1=1; 1:r4=2; 3:r1=1; 3:r4=0; x=2; y=2;
1109 :>1:r1=2; 1:r4=2; 3:r1=1; 3:r4=0; x=2; y=2;
495598:>1:r1=0; 1:r4=0; 3:r1=2; 3:r4=0; x=2; y=2;
157 :>1:r1=0; 1:r4=1; 3:r1=2; 3:r4=0; x=2; y=2;
1098362:>1:r1=0; 1:r4=2; 3:r1=2; 3:r4=0; x=2; y=2;
2446 :>1:r1=1; 1:r4=2; 3:r1=2; 3:r4=0; x=2; y=2;
396227:>1:r1=2; 1:r4=2; 3:r1=2; 3:r4=0; x=2; y=2;
8956 :>1:r1=0; 1:r4=0; 3:r1=0; 3:r4=1; x=2; y=2;
127 :>1:r1=2; 1:r4=0; 3:r1=0; 3:r4=1; x=2; y=2;
2 :>1:r1=0; 1:r4=1; 3:r1=0; 3:r4=1; x=2; y=2;
3 :>1:r1=2; 1:r4=1; 3:r1=0; 3:r4=1; x=2; y=2;
36 :>1:r1=0; 1:r4=2; 3:r1=0; 3:r4=1; x=2; y=2;
1 :>1:r1=1; 1:r4=2; 3:r1=0; 3:r4=1; x=2; y=2;
619 :>1:r1=2; 1:r4=2; 3:r1=0; 3:r4=1; x=2; y=2;
68 :>1:r1=0; 1:r4=0; 3:r1=1; 3:r4=1; x=2; y=2;
4 :>1:r1=0; 1:r4=2; 3:r1=1; 3:r4=1; x=2; y=2;
16 :>1:r1=2; 1:r4=2; 3:r1=1; 3:r4=1; x=2; y=2;
15311 :>1:r1=0; 1:r4=0; 3:r1=2; 3:r4=1; x=2; y=2;
2 :>1:r1=0; 1:r4=1; 3:r1=2; 3:r4=1; x=2; y=2;
21902 :>1:r1=0; 1:r4=2; 3:r1=2; 3:r4=1; x=2; y=2;
6 :>1:r1=1; 1:r4=2; 3:r1=2; 3:r4=1; x=2; y=2;
24353 :>1:r1=2; 1:r4=2; 3:r1=2; 3:r4=1; x=2; y=2;
935936:>1:r1=0; 1:r4=0; 3:r1=0; 3:r4=2; x=2; y=2;
1249 :>1:r1=1; 1:r4=0; 3:r1=0; 3:r4=2; x=2; y=2;
1186641:>1:r1=2; 1:r4=0; 3:r1=0; 3:r4=2; x=2; y=2;
12 :>1:r1=0; 1:r4=1; 3:r1=0; 3:r4=2; x=2; y=2;
1 :>1:r1=1; 1:r4=1; 3:r1=0; 3:r4=2; x=2; y=2;
17874 :>1:r1=2; 1:r4=1; 3:r1=0; 3:r4=2; x=2; y=2;
425 :>1:r1=0; 1:r4=2; 3:r1=0; 3:r4=2; x=2; y=2;
51 :>1:r1=1; 1:r4=2; 3:r1=0; 3:r4=2; x=2; y=2;
1455922:>1:r1=2; 1:r4=2; 3:r1=0; 3:r4=2; x=2; y=2;
2316 :>1:r1=0; 1:r4=0; 3:r1=1; 3:r4=2; x=2; y=2;
17 :>1:r1=1; 1:r4=0; 3:r1=1; 3:r4=2; x=2; y=2;
4599 :>1:r1=2; 1:r4=0; 3:r1=1; 3:r4=2; x=2; y=2;
1 :>1:r1=0; 1:r4=1; 3:r1=1; 3:r4=2; x=2; y=2;
1 :>1:r1=2; 1:r4=1; 3:r1=1; 3:r4=2; x=2; y=2;
29 :>1:r1=0; 1:r4=2; 3:r1=1; 3:r4=2; x=2; y=2;
10696 :>1:r1=2; 1:r4=2; 3:r1=1; 3:r4=2; x=2; y=2;
2204900:>1:r1=0; 1:r4=0; 3:r1=2; 3:r4=2; x=2; y=2;
1681 :>1:r1=1; 1:r4=0; 3:r1=2; 3:r4=2; x=2; y=2;
524713:>1:r1=2; 1:r4=0; 3:r1=2; 3:r4=2; x=2; y=2;
308 :>1:r1=0; 1:r4=1; 3:r1=2; 3:r4=2; x=2; y=2;
4 :>1:r1=1; 1:r4=1; 3:r1=2; 3:r4=2; x=2; y=2;
7952 :>1:r1=2; 1:r4=1; 3:r1=2; 3:r4=2; x=2; y=2;
1502835:>1:r1=0; 1:r4=2; 3:r1=2; 3:r4=2; x=2; y=2;
6930 :>1:r1=1; 1:r4=2; 3:r1=2; 3:r4=2; x=2; y=2;
3689630:>1:r1=2; 1:r4=2; 3:r1=2; 3:r4=2; x=2; y=2;
No
Witnesses
Positive: 0, Negative: 20000000
Condition exists (x=2 /\ y=2 /\ 1:r1=2 /\ 1:r4=0 /\ 3:r1=2 /\ 3:r4=0) is NOT validated
Hash=80ef54f479052cd359e89f5454d47a1e
Cycle=DpdR Fre LwSyncsWW Rfe DpdR Fre LwSyncsWW Rfe
Relax bclwsww000 No BCLwSyncsWW
Safe=Fre DpdR
Time bclwsww000 20.71
$Revision: 3228 $
Parameters
#ifndef SIZE_OF_TEST
#define SIZE_OF_TEST 1000000
#endif
#ifndef NUMBER_OF_RUN
#define NUMBER_OF_RUN 1
#endif
#ifndef N_EXE
#define N_EXE (4 < N ? 1 : 4 / N)
#endif
/* gcc options: -Wall -std=gnu99 -O */
/* barrier: user */
/* tread start/join: changing */
/* memory: indirect */
/* safer: true */
/* preload: true */
/* para: self */
/* changes: false */
/* speedcheck: false */
/* proc used: 4 */
GCCOPTS="-Wall -std=gnu99 -O"
LITMUSOPTS=-s 10000 -r 2000
Tue Jan 5 10:28:25 CET 2010