gcc/testsuite/gcc.dg/pr77673.c

   1 /* { dg-do compile { target fpic } } */
   2 /* { dg-require-effective-target bswap } */
   3 /* { dg-options "-O2 -fPIC -fdump-tree-bswap" } */
   4 /* { dg-additional-options "-march=z900" { target s390*-*-* } } */
   5
   6 void mach_parse_compressed(unsigned char* ptr, unsigned long int* val)
   7 {
   8   if (ptr[0] < 0xC0U) {
   9     *val = ptr[0] + ptr[1];
  10     return;
  11   }
  12
  13   *val = ((unsigned long int)(ptr[0]) << 24)
  14     | ((unsigned long int)(ptr[1]) << 16)
  15     | ((unsigned long int)(ptr[2]) << 8)
  16     | ptr[3];
  17 }
  18
  19 /* { dg-final { scan-tree-dump-not "load_dst_\\d+ =.* if \\(" "bswap" } } */