gcc/testsuite/gcc.target/cris/builtin_bswap_v3.c

   1 /* Check that we don't use the swap insn for bswap by checking assembler
   2    output.  The swap instruction was added in v8.  */
   3 /* { dg-do compile } */
   4 /* { dg-skip-if "" { "cris*-*-elf" } { "-march*" } { "" } } */
   5 /* { dg-options "-O2 -march=v3" } */
   6 /* { dg-final { scan-assembler-not "\[ \t\]swapwb\[ \t\]" } } */
   7
   8 int
   9 f (int a)
  10 {
  11         return __builtin_bswap32(a);
  12 }