gcc-4_9-branch/gcc/testsuite/gcc.target/s390/hotpatch-28.c

   1 /* Functional tests for the function hotpatching feature.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O3 -mzarch -mhotpatch=1,2" } */
   5
   6 void hp1 (volatile unsigned int *i)
   7 {
   8   for (;;)
   9     (*i)++;
  10 }
  11
  12 /* Check number of occurences of certain instructions.  */
  13 /* { dg-final { scan-assembler "pre-label NOPs" } } */
  14 /* { dg-final { scan-assembler "^\[^.\].*:\n.*post-label.*(2 halfwords).*\n\(\(.L.*:\n\)\|\(\[\[:space:\]\]*.cfi_.*\n\)\)*\[\[:space:\]\]*nop\t0" } } */
  15 /* { dg-final { scan-assembler-times "nopr\t%r7" 1 } } */
  16 /* { dg-final { scan-assembler-times "nop\t0" 1 } } */
  17 /* { dg-final { scan-assembler-not "brcl\t0, 0" } } */
  18 /* { dg-final { scan-assembler "alignment for hotpatch" } } */