1 /* { dg-do compile } */ 2 /* { dg-options "-O2 -march=nocona" } */ 3 /* { dg-final { scan-assembler-not "bswap\[ \t\]" } } */ 4 foo(int x)5 int foo(int x) 6 { 7 int t = __builtin_bswap32 (x); 8 return __builtin_bswap32 (t); 9 } 10 11