view gcc/testsuite/gcc.dg/tm/reg-promotion.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-fgnu-tm -O2 -fdump-tree-lim2" } */

/* Test that `count' is not written to unless p->data>0.  */

int count;

struct obj {
    int data;
    struct obj *next;
} *q;

void func()
{
  struct obj *p;
  __transaction_atomic {
    for (p = q; p; p = p->next)
      if (p->data > 0)
	count++;
  }
}

/* { dg-final { scan-tree-dump-times "Cannot hoist conditional load of count because it is in a transaction" 1 "lim2" } } */