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author | Andrew Hsieh <andrewhsieh@google.com> | 2012-11-08 09:43:39 -0800 |
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committer | Andrew Hsieh <andrewhsieh@google.com> | 2012-11-08 09:43:39 -0800 |
commit | 3c56f697e112c79fb5457538fdc373e348beca24 (patch) | |
tree | 91987aa2182421ebead7f3bc3e14ae0effd4ba88 /gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.2.1.c | |
parent | 8add91f46171be1526e9b37fffcdb7683ad27d77 (diff) | |
download | toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.tar.gz toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.tar.bz2 toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.zip |
Initial checkin of unmodified gcc-5666.3.tar.gz
This is the source to build gcc-4.2 for MacOSX
gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)
http://opensource.apple.com/tarballs/gcc/gcc-5666.3.tar.gz
Change-Id: I69540223f018e9d07f861fca04bd3833fc138f8b
Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.2.1.c')
-rw-r--r-- | gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.2.1.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.2.1.c b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.2.1.c new file mode 100644 index 000000000..f6ae4c7c5 --- /dev/null +++ b/gcc-4.2.1-5666.3/libgomp/testsuite/libgomp.c/appendix-a/a.2.1.c @@ -0,0 +1,45 @@ +/* { dg-do run } */ + +#include <stdio.h> +#include <omp.h> +extern void abort (void); +int +main () +{ + int bad, x; + x = 2; + bad = 0; +#pragma omp parallel num_threads(2) shared(x, bad) + { + if (omp_get_thread_num () == 0) + { + volatile int i; + for (i = 0; i < 100000000; i++) + x = 5; + } + else + { + /* Print 1: the following read of x has a race */ + if (x != 2 && x != 5) + bad = 1; + } +#pragma omp barrier + if (omp_get_thread_num () == 0) + { + /* x must be 5 now. */ + if (x != 5) + bad = 1; + } + else + { + /* x must be 5 now. */ + if (x != 5) + bad = 1; + } + } + + if (bad) + abort (); + + return 0; +} |