gcc/testsuite/gcc.target/s390/hotpatch-9.c

   1 /* Functional tests for the function hotpatching feature.  */
   2
   3 /* { dg-do run } */
   4 /* { dg-options "-O3 -mzarch -mhotpatch=1 --save-temps" } */
   5
   6 #include <stdio.h>
   7
   8 __attribute__ ((hotpatch(2)))
   9 void hp1(void)
  10 {
  11   printf("hello, world!\n");
  12 }
  13
  14 int main (void)
  15 {
  16   return 0;
  17 }
  18
  19 /* Check number of occurences of certain instructions.  */
  20 /* { dg-final { scan-assembler-times "nopr\t%r7" 2 } } */
  21 /* { dg-final { scan-assembler-times "nop\t0" 1 } } */