------- Comment #44 from dominiq at lps dot ens dot fr 2010-06-02 19:06 -------
This seems linked to the optimization:
[macbook] f90/bug% /opt/gcc/build_w/prev-gcc/xgcc -B/opt/gcc/build_w/prev-gcc/
-O2 -pthread pthread_create.c -o tls.ex
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
9
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
7
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
26
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
420
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
266
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
277
[macbook] f90/bug% /opt/gcc/build_w/prev-gcc/xgcc -B/opt/gcc/build_w/prev-gcc/
-O1 -pthread pthread_create.c -o tls.ex
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
11
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
9
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
10
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
357
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
391
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
376
[macbook] f90/bug% /opt/gcc/build_w/prev-gcc/xgcc -B/opt/gcc/build_w/prev-gcc/
-pthread pthread_create.c -o tls.ex
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
0
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
1
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
0
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
1
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
0
[macbook] f90/bug% rm -f tmp ; tls_1.sh > tmp ; cat tmp | wc -l
0
For each O level, the first 3 runs are for an idle system and the 3 others for
a loaded one.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43170
