gcc/testsuite/gcc.dg/tm/memopt-15.c

   1 /* { dg-do compile { target { i?86-*-linux* x86_64-*-linux* } } } */
   2 /* { dg-options "-fgnu-tm -O -msse2" } */
   3
   4 /* Test the TM vector logging functions.  */
   5
   6 typedef int __attribute__((vector_size (16))) vectype;
   7 extern int something(void) __attribute__((transaction_safe));
   8 extern void *malloc (__SIZE_TYPE__) __attribute__((malloc,transaction_safe));
   9
  10 vectype vecky;
  11
  12 vectype f()
  13 {
  14   vectype *p;
  15
  16   p = malloc (sizeof (*p) * 100);
  17
  18   __transaction_atomic {
  19     /* p[5] is thread private, but not transaction local since the
  20        malloc is outside of the transaction.  We can use the logging
  21        functions for this.  */
  22     p[5] = vecky;
  23
  24     if (something())
  25       __transaction_cancel;
  26   }
  27   return p[5];
  28 }
  29
  30 /* { dg-final { scan-assembler "_ITM_LM128" } } */