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 /* { dg-skip-if "" { *-*-* } { "*" } { "-O*" } } */
   6
   7 #include <stdio.h>
   8
   9 __attribute__ ((hotpatch(1,0)))
  10 void hp1(void)
  11 {
  12   printf("hello, world!\n");
  13 }
  14
  15 /* Check number of occurences of certain instructions.  */
  16 /* { dg-final { scan-assembler "pre-label.*(1 halfwords)" } } */
  17 /* { dg-final { scan-assembler-not "post-label NOPs" } } */
  18 /* { dg-final { scan-assembler-times "nopr\t%r0" 1 } } */
  19 /* { dg-final { scan-assembler-not "nop\t0" } } */
  20 /* { dg-final { scan-assembler-not "brcl\t0, 0" } } */
  21 /* { dg-final { scan-assembler "alignment for hotpatch" } } */