view gcc/testsuite/gcc.dg/tm/memopt-5.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-fgnu-tm -O -fdump-tree-tmedge --param tm-max-aggregate-size=1" } */

/* Test thread-local memory optimizations: logging function.  */

struct large { int x[100]; };
struct large bark();
extern int test (void) __attribute__((transaction_safe));
extern int readint (void);

int f()
{
  int i = readint();
  struct large lala = bark();
  __transaction_atomic {
    lala.x[55] = 666;
    if (test())
      __transaction_cancel;
  }
  return lala.x[i];
}

/* { dg-final { scan-tree-dump-times "ITM_LU\[0-9\] \\\(&lala.x\\\[55\\\]" 1 "tmedge" } } */