Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tm/memopt-11.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children |
line wrap: on
line source
/* { dg-do compile } */ /* { dg-options "-fgnu-tm -O -fdump-tree-tmmark" } */ extern int something(void) __attribute__((transaction_safe)); extern void *malloc (__SIZE_TYPE__) __attribute__((malloc,transaction_safe)); extern void foo (int); int f() { int *p; p = malloc (sizeof (*p) * 100); foo(p[5]); __transaction_atomic { /* p[5] is thread private, however the SSA_NAME that holds the address dominates the entire transaction (transaction invariant) so we can use a save/restore pair. */ p[5] = 123; if (something()) __transaction_cancel; } return p[5]; } /* { dg-final { scan-tree-dump-times "ITM_LU" 0 "tmmark" } } */ /* { dg-final { scan-tree-dump-times "ITM_WU" 0 "tmmark" } } */ /* { dg-final { scan-tree-dump-times "int tm_save" 1 "tmmark" } } */