Tue Jan 5 18:19:42 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 (60 states)
3153670:>1:r1=0; 1:r4=0; 3:r1=0; 3:r4=0; x=2; y=2;
1723 :>1:r1=1; 1:r4=0; 3:r1=0; 3:r4=0; x=2; y=2;
520509:>1:r1=2; 1:r4=0; 3:r1=0; 3:r4=0; x=2; y=2;
5687 :>1:r1=0; 1:r4=1; 3:r1=0; 3:r4=0; x=2; y=2;
38 :>1:r1=1; 1:r4=1; 3:r1=0; 3:r4=0; x=2; y=2;
4546 :>1:r1=2; 1:r4=1; 3:r1=0; 3:r4=0; x=2; y=2;
847997:>1:r1=0; 1:r4=2; 3:r1=0; 3:r4=0; x=2; y=2;
2663 :>1:r1=1; 1:r4=2; 3:r1=0; 3:r4=0; x=2; y=2;
2089043:>1:r1=2; 1:r4=2; 3:r1=0; 3:r4=0; x=2; y=2;
1439 :>1:r1=0; 1:r4=0; 3:r1=1; 3:r4=0; x=2; y=2;
1 :>1:r1=0; 1:r4=1; 3:r1=1; 3:r4=0; x=2; y=2;
1 :>1:r1=2; 1:r4=1; 3:r1=1; 3:r4=0; x=2; y=2;
1351 :>1:r1=0; 1:r4=2; 3:r1=1; 3:r4=0; x=2; y=2;
14 :>1:r1=1; 1:r4=2; 3:r1=1; 3:r4=0; x=2; y=2;
2829 :>1:r1=2; 1:r4=2; 3:r1=1; 3:r4=0; x=2; y=2;
553943:>1:r1=0; 1:r4=0; 3:r1=2; 3:r4=0; x=2; y=2;
785 :>1:r1=0; 1:r4=1; 3:r1=2; 3:r4=0; x=2; y=2;
1104078:>1:r1=0; 1:r4=2; 3:r1=2; 3:r4=0; x=2; y=2;
3041 :>1:r1=1; 1:r4=2; 3:r1=2; 3:r4=0; x=2; y=2;
565067:>1:r1=2; 1:r4=2; 3:r1=2; 3:r4=0; x=2; y=2;
6865 :>1:r1=0; 1:r4=0; 3:r1=0; 3:r4=1; x=2; y=2;
8 :>1:r1=1; 1:r4=0; 3:r1=0; 3:r4=1; x=2; y=2;
802 :>1:r1=2; 1:r4=0; 3:r1=0; 3:r4=1; x=2; y=2;
7 :>1:r1=2; 1:r4=1; 3:r1=0; 3:r4=1; x=2; y=2;
3 :>1:r1=0; 1:r4=2; 3:r1=0; 3:r4=1; x=2; y=2;
3095 :>1:r1=2; 1:r4=2; 3:r1=0; 3:r4=1; x=2; y=2;
24 :>1:r1=0; 1:r4=0; 3:r1=1; 3:r4=1; x=2; y=2;
9 :>1:r1=0; 1:r4=2; 3:r1=1; 3:r4=1; x=2; y=2;
29 :>1:r1=2; 1:r4=2; 3:r1=1; 3:r4=1; x=2; y=2;
7145 :>1:r1=0; 1:r4=0; 3:r1=2; 3:r4=1; x=2; y=2;
3 :>1:r1=1; 1:r4=0; 3:r1=2; 3:r4=1; x=2; y=2;
11 :>1:r1=0; 1:r4=1; 3:r1=2; 3:r4=1; x=2; y=2;
15830 :>1:r1=0; 1:r4=2; 3:r1=2; 3:r4=1; x=2; y=2;
7 :>1:r1=1; 1:r4=2; 3:r1=2; 3:r4=1; x=2; y=2;
16320 :>1:r1=2; 1:r4=2; 3:r1=2; 3:r4=1; x=2; y=2;
808246:>1:r1=0; 1:r4=0; 3:r1=0; 3:r4=2; x=2; y=2;
1206 :>1:r1=1; 1:r4=0; 3:r1=0; 3:r4=2; x=2; y=2;
1103849:>1:r1=2; 1:r4=0; 3:r1=0; 3:r4=2; x=2; y=2;
2 :>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;
12475 :>1:r1=2; 1:r4=1; 3:r1=0; 3:r4=2; x=2; y=2;
124 :>1:r1=0; 1:r4=2; 3:r1=0; 3:r4=2; x=2; y=2;
68 :>1:r1=1; 1:r4=2; 3:r1=0; 3:r4=2; x=2; y=2;
1577664:>1:r1=2; 1:r4=2; 3:r1=0; 3:r4=2; x=2; y=2;
1746 :>1:r1=0; 1:r4=0; 3:r1=1; 3:r4=2; x=2; y=2;
12 :>1:r1=1; 1:r4=0; 3:r1=1; 3:r4=2; x=2; y=2;
2369 :>1:r1=2; 1:r4=0; 3:r1=1; 3:r4=2; x=2; y=2;
4 :>1:r1=2; 1:r4=1; 3:r1=1; 3:r4=2; x=2; y=2;
105 :>1:r1=0; 1:r4=2; 3:r1=1; 3:r4=2; x=2; y=2;
1 :>1:r1=1; 1:r4=2; 3:r1=1; 3:r4=2; x=2; y=2;
5756 :>1:r1=2; 1:r4=2; 3:r1=1; 3:r4=2; x=2; y=2;
2029540:>1:r1=0; 1:r4=0; 3:r1=2; 3:r4=2; x=2; y=2;
2328 :>1:r1=1; 1:r4=0; 3:r1=2; 3:r4=2; x=2; y=2;
536283:>1:r1=2; 1:r4=0; 3:r1=2; 3:r4=2; x=2; y=2;
3190 :>1:r1=0; 1:r4=1; 3:r1=2; 3:r4=2; x=2; y=2;
6 :>1:r1=1; 1:r4=1; 3:r1=2; 3:r4=2; x=2; y=2;
10358 :>1:r1=2; 1:r4=1; 3:r1=2; 3:r4=2; x=2; y=2;
1483951:>1:r1=0; 1:r4=2; 3:r1=2; 3:r4=2; x=2; y=2;
5906 :>1:r1=1; 1:r4=2; 3:r1=2; 3:r4=2; x=2; y=2;
3506227:>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 24.58
$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 1000 -r 20000
Tue Jan 5 18:20:07 CET 2010