Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tm/memopt-12.c @ 132:d34655255c78
update gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 10:21:07 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-fgnu-tm -O -fdump-tree-tmmark" } */ extern int test(void) __attribute__((transaction_safe)); extern int something (void); extern void *malloc (__SIZE_TYPE__) __attribute__((malloc,transaction_safe)); struct large { int foo[500]; }; int f() { int *p1, *p2, *p3; p1 = malloc (sizeof (*p1)*5000); __transaction_atomic { *p1 = 0; p2 = malloc (sizeof (*p2)*6000); *p2 = 1; /* p3 = PHI (p1, p2) */ if (test()) p3 = p1; else p3 = p2; /* Since both p1 and p2 are thread-private, we can inherit the logging already done. No ITM_W* instrumentation necessary. */ *p3 = 555; } return p3[something()]; } /* { dg-final { scan-tree-dump-times "ITM_WU" 0 "tmmark" } } */