1/* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
2/* { dg-require-effective-target stdint_types } */
3/* { dg-options "-O2 -fdump-rtl-combine" } */
4/* { dg-additional-options "-march=z900" { target s390-*-* } } */
5
6/* The test is similiar to builtin-bswap-6.c but returns 1/2 instead
7   of 0/1 to prevent GCC from calculating the return value with
8   arithmetic instead of a comparison.  This requires the optimization
9   level to be bumped up to -O2 at least for x86_64.  */
10
11#include <stdint.h>
12
13#define BS(X) __builtin_bswap32(X)
14
15int foo1 (uint32_t a)
16{
17  if (BS (a) == 0xA0000)
18    return 1;
19  return 2;
20}
21
22int foo2 (uint32_t a)
23{
24  if (BS (a) != 0xA0000)
25    return 1;
26  return 2;
27}
28
29int foo3 (uint32_t a, uint32_t b)
30{
31  if (BS (a) == BS (b))
32    return 1;
33  return 2;
34}
35
36int foo4 (uint32_t a, uint32_t b)
37{
38  if (BS (a) != BS (b))
39    return 1;
40  return 2;
41}
42
43/* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */
44/* { dg-final { cleanup-rtl-dump "combine" } } */
45