gcc/testsuite/gcc.target/s390/nolrl-1.c

   1 /* Make sure the compiler does not try to use a relative long
   2    instruction to load the string since it might not meet the
   3    alignment requirements of the instruction.  */
   4
   5 /* { dg-do compile } */
   6 /* { dg-options "-march=z10 -O3 -mzarch" } */
   7
   8 extern void foo (char*);
   9
  10 void
  11 bar ()
  12 {
  13     unsigned char z[32];
  14
  15     __builtin_memcpy (z, "\001\000\000\000", 4);
  16     foo (z);
  17 }
  18
  19 /* { dg-final { scan-assembler-not "lrl" } } */