/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ int test1(int x, int y) { #if __SIZEOF_INT__ == 4 return __builtin_bswap32(x) == __builtin_bswap32(y); #else return x == y; #endif } int test2(int x, int y) { #if __SIZEOF_INT__ == 4 return __builtin_bswap32(x) != __builtin_bswap32(y); #else return x != y; #endif } int test3(int x) { #if __SIZEOF_INT__ == 4 return __builtin_bswap32(x) == 12345; #else return x; #endif } int test4(int x) { #if __SIZEOF_INT__ == 4 return __builtin_bswap32(x) != 12345; #else return x; #endif } int test1ll(long long x, long long y) { #if __SIZEOF_LONG_LONG__ == 8 return __builtin_bswap64(x) == __builtin_bswap64(y); #else return x == y; #endif } int test2ll(long long x, long long y) { #if __SIZEOF_LONG_LONG__ == 8 return __builtin_bswap64(x) != __builtin_bswap64(y); #else return x != y; #endif } int test3ll(long long x) { #if __SIZEOF_LONG_LONG__ == 8 return __builtin_bswap64(x) == 12345; #else return (int)x; #endif } int test4ll(long long x) { #if __SIZEOF_LONG_LONG__ == 8 return __builtin_bswap64(x) != 12345; #else return (int)x; #endif } int test1s(short x, short y) { #if __SIZEOF_SHORT__ == 2 return __builtin_bswap16(x) == __builtin_bswap16(y); #else return x == y; #endif } int test2s(short x, short y) { #if __SIZEOF_SHORT__ == 2 return __builtin_bswap16(x) != __builtin_bswap16(y); #else return x != y; #endif } int test3s(short x) { #if __SIZEOF_SHORT__ == 2 return __builtin_bswap16(x) == 12345; #else return (int)x; #endif } int test4s(short x) { #if __SIZEOF_SHORT__ == 2 return __builtin_bswap16(x) != 12345; #else return (int)x; #endif } /* { dg-final { scan-tree-dump-times "__builtin_bswap" 0 "optimized" } } */