gcc-4_9-branch/gcc/testsuite/gcc.target/s390/hotpatch-13.c

   1 /* Functional tests for the function hotpatching feature.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-mzarch" } */
   5
   6 #include <stdio.h>
   7
   8 __attribute__ ((hotpatch(1,0)))
   9 void hp1(void)
  10 {
  11   printf("hello, world!\n");
  12 }
  13
  14 /* Check number of occurences of certain instructions.  */
  15 /* { dg-final { scan-assembler "pre-label.*(1 halfwords)" } } */
  16 /* { dg-final { scan-assembler-not "post-label NOPs" } } */
  17 /* { dg-final { scan-assembler-times "nopr\t%r7" 1 } } */
  18 /* { dg-final { scan-assembler-not "nop\t0" } } */
  19 /* { dg-final { scan-assembler-not "brcl\t0, 0" } } */
  20 /* { dg-final { scan-assembler "alignment for hotpatch" } } */