Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tm/pub-safety-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-do compile } */ /* { dg-options "-fgnu-tm -O1 -fdump-tree-lim2" } */ /* Test that thread visible loads do not get hoisted out of loops if the load would not have occurred on each path out of the loop. */ int x[10] = {0,0,0,0,0,0,0,0,0,0}; int DATA_DATA = 0; void reader() { int i; __transaction_atomic { for (i = 0; i < 10; i++) if (x[i]) x[i] += DATA_DATA; /* If we loaded DATA_DATA here, we could hoist it before the loop, but since we don't... we can't. */ } } /* { dg-final { scan-tree-dump-times "Cannot hoist.*DATA_DATA because it is in a transaction" 1 "lim2" } } */